devices/e100-3.4-orig.c
author Florian Pose <fp@igh-essen.com>
Fri, 03 Mar 2017 16:49:13 +0100
branchstable-1.5
changeset 2673 459758a800b3
parent 2493 fcd918d2122f
permissions -rw-r--r--
Optionally output CRC diagnosis information in graph.
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/*******************************************************************************
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  Intel PRO/100 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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/*
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 *	e100.c: Intel(R) PRO/100 ethernet driver
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 *
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 *	(Re)written 2003 by scott.feldman@intel.com.  Based loosely on
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 *	original e100 driver, but better described as a munging of
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 *	e100, e1000, eepro100, tg3, 8139cp, and other drivers.
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 *
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 *	References:
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 *		Intel 8255x 10/100 Mbps Ethernet Controller Family,
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 *		Open Source Software Developers Manual,
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 *		http://sourceforge.net/projects/e1000
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 *
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 *
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 *	                      Theory of Operation
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 *
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 *	I.   General
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 *
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 *	The driver supports Intel(R) 10/100 Mbps PCI Fast Ethernet
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 *	controller family, which includes the 82557, 82558, 82559, 82550,
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 *	82551, and 82562 devices.  82558 and greater controllers
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 *	integrate the Intel 82555 PHY.  The controllers are used in
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 *	server and client network interface cards, as well as in
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 *	LAN-On-Motherboard (LOM), CardBus, MiniPCI, and ICHx
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 *	configurations.  8255x supports a 32-bit linear addressing
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 *	mode and operates at 33Mhz PCI clock rate.
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 *
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 *	II.  Driver Operation
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 *
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 *	Memory-mapped mode is used exclusively to access the device's
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 *	shared-memory structure, the Control/Status Registers (CSR). All
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 *	setup, configuration, and control of the device, including queuing
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 *	of Tx, Rx, and configuration commands is through the CSR.
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 *	cmd_lock serializes accesses to the CSR command register.  cb_lock
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 *	protects the shared Command Block List (CBL).
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 *
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 *	8255x is highly MII-compliant and all access to the PHY go
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 *	through the Management Data Interface (MDI).  Consequently, the
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 *	driver leverages the mii.c library shared with other MII-compliant
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 *	devices.
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 *
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 *	Big- and Little-Endian byte order as well as 32- and 64-bit
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 *	archs are supported.  Weak-ordered memory and non-cache-coherent
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 *	archs are supported.
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 *
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 *	III. Transmit
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 *
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 *	A Tx skb is mapped and hangs off of a TCB.  TCBs are linked
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 *	together in a fixed-size ring (CBL) thus forming the flexible mode
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 *	memory structure.  A TCB marked with the suspend-bit indicates
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 *	the end of the ring.  The last TCB processed suspends the
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 *	controller, and the controller can be restarted by issue a CU
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 *	resume command to continue from the suspend point, or a CU start
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 *	command to start at a given position in the ring.
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 *
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 *	Non-Tx commands (config, multicast setup, etc) are linked
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 *	into the CBL ring along with Tx commands.  The common structure
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 *	used for both Tx and non-Tx commands is the Command Block (CB).
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 *
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 *	cb_to_use is the next CB to use for queuing a command; cb_to_clean
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 *	is the next CB to check for completion; cb_to_send is the first
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 *	CB to start on in case of a previous failure to resume.  CB clean
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 *	up happens in interrupt context in response to a CU interrupt.
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 *	cbs_avail keeps track of number of free CB resources available.
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 *
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 * 	Hardware padding of short packets to minimum packet size is
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 * 	enabled.  82557 pads with 7Eh, while the later controllers pad
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 * 	with 00h.
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 *
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 *	IV.  Receive
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 *
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 *	The Receive Frame Area (RFA) comprises a ring of Receive Frame
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 *	Descriptors (RFD) + data buffer, thus forming the simplified mode
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 *	memory structure.  Rx skbs are allocated to contain both the RFD
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 *	and the data buffer, but the RFD is pulled off before the skb is
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 *	indicated.  The data buffer is aligned such that encapsulated
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 *	protocol headers are u32-aligned.  Since the RFD is part of the
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 *	mapped shared memory, and completion status is contained within
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 *	the RFD, the RFD must be dma_sync'ed to maintain a consistent
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 *	view from software and hardware.
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 *
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 *	In order to keep updates to the RFD link field from colliding with
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 *	hardware writes to mark packets complete, we use the feature that
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 *	hardware will not write to a size 0 descriptor and mark the previous
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 *	packet as end-of-list (EL).   After updating the link, we remove EL
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 *	and only then restore the size such that hardware may use the
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 *	previous-to-end RFD.
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 *
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 *	Under typical operation, the  receive unit (RU) is start once,
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 *	and the controller happily fills RFDs as frames arrive.  If
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 *	replacement RFDs cannot be allocated, or the RU goes non-active,
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 *	the RU must be restarted.  Frame arrival generates an interrupt,
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 *	and Rx indication and re-allocation happen in the same context,
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 *	therefore no locking is required.  A software-generated interrupt
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 *	is generated from the watchdog to recover from a failed allocation
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 *	scenario where all Rx resources have been indicated and none re-
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 *	placed.
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 *
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 *	V.   Miscellaneous
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 *
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 * 	VLAN offloading of tagging, stripping and filtering is not
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 * 	supported, but driver will accommodate the extra 4-byte VLAN tag
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 * 	for processing by upper layers.  Tx/Rx Checksum offloading is not
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 * 	supported.  Tx Scatter/Gather is not supported.  Jumbo Frames is
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 * 	not supported (hardware limitation).
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 *
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 * 	MagicPacket(tm) WoL support is enabled/disabled via ethtool.
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 *
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 * 	Thanks to JC (jchapman@katalix.com) for helping with
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 * 	testing/troubleshooting the development driver.
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 *
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 * 	TODO:
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 * 	o several entry points race with dev->close
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 * 	o check for tx-no-resources/stop Q races with tx clean/wake Q
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 *
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 *	FIXES:
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 * 2005/12/02 - Michael O'Donnell <Michael.ODonnell at stratus dot com>
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 *	- Stratus87247: protect MDI control register manipulations
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 * 2009/06/01 - Andreas Mohr <andi at lisas dot de>
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 *      - add clean lowlevel I/O emulation for cards with MII-lacking PHYs
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 */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/hardirq.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/dma-mapping.h>
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#include <linux/dmapool.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/mii.h>
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#include <linux/if_vlan.h>
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#include <linux/skbuff.h>
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#include <linux/ethtool.h>
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#include <linux/string.h>
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#include <linux/firmware.h>
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#include <linux/rtnetlink.h>
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#include <asm/unaligned.h>
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#define DRV_NAME		"e100"
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#define DRV_EXT			"-NAPI"
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#define DRV_VERSION		"3.5.24-k2"DRV_EXT
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#define DRV_DESCRIPTION		"Intel(R) PRO/100 Network Driver"
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#define DRV_COPYRIGHT		"Copyright(c) 1999-2006 Intel Corporation"
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#define E100_WATCHDOG_PERIOD	(2 * HZ)
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#define E100_NAPI_WEIGHT	16
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#define FIRMWARE_D101M		"e100/d101m_ucode.bin"
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#define FIRMWARE_D101S		"e100/d101s_ucode.bin"
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#define FIRMWARE_D102E		"e100/d102e_ucode.bin"
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MODULE_DESCRIPTION(DRV_DESCRIPTION);
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MODULE_AUTHOR(DRV_COPYRIGHT);
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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MODULE_FIRMWARE(FIRMWARE_D101M);
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MODULE_FIRMWARE(FIRMWARE_D101S);
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MODULE_FIRMWARE(FIRMWARE_D102E);
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static int debug = 3;
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static int eeprom_bad_csum_allow = 0;
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static int use_io = 0;
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module_param(debug, int, 0);
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module_param(eeprom_bad_csum_allow, int, 0);
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module_param(use_io, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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MODULE_PARM_DESC(eeprom_bad_csum_allow, "Allow bad eeprom checksums");
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MODULE_PARM_DESC(use_io, "Force use of i/o access mode");
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#define INTEL_8255X_ETHERNET_DEVICE(device_id, ich) {\
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	PCI_VENDOR_ID_INTEL, device_id, PCI_ANY_ID, PCI_ANY_ID, \
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	PCI_CLASS_NETWORK_ETHERNET << 8, 0xFFFF00, ich }
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static DEFINE_PCI_DEVICE_TABLE(e100_id_table) = {
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	INTEL_8255X_ETHERNET_DEVICE(0x1029, 0),
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	INTEL_8255X_ETHERNET_DEVICE(0x1030, 0),
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	INTEL_8255X_ETHERNET_DEVICE(0x1031, 3),
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	INTEL_8255X_ETHERNET_DEVICE(0x1032, 3),
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	INTEL_8255X_ETHERNET_DEVICE(0x1033, 3),
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	INTEL_8255X_ETHERNET_DEVICE(0x1034, 3),
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	INTEL_8255X_ETHERNET_DEVICE(0x1038, 3),
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	INTEL_8255X_ETHERNET_DEVICE(0x1039, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x103A, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x103B, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x103C, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x103D, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x103E, 4),
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	INTEL_8255X_ETHERNET_DEVICE(0x1050, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1051, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1052, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1053, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1054, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1055, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1056, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1057, 5),
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	INTEL_8255X_ETHERNET_DEVICE(0x1059, 0),
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	INTEL_8255X_ETHERNET_DEVICE(0x1064, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1065, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1066, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1067, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1068, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1069, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x106A, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x106B, 6),
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	INTEL_8255X_ETHERNET_DEVICE(0x1091, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x1092, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x1093, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x1094, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x1095, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x10fe, 7),
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	INTEL_8255X_ETHERNET_DEVICE(0x1209, 0),
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	INTEL_8255X_ETHERNET_DEVICE(0x1229, 0),
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	INTEL_8255X_ETHERNET_DEVICE(0x2449, 2),
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	INTEL_8255X_ETHERNET_DEVICE(0x2459, 2),
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	INTEL_8255X_ETHERNET_DEVICE(0x245D, 2),
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	INTEL_8255X_ETHERNET_DEVICE(0x27DC, 7),
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	{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, e100_id_table);
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   258
enum mac {
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   259
	mac_82557_D100_A  = 0,
fcd918d2122f Added e100 driver for kernel 3.4.
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   260
	mac_82557_D100_B  = 1,
fcd918d2122f Added e100 driver for kernel 3.4.
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   261
	mac_82557_D100_C  = 2,
fcd918d2122f Added e100 driver for kernel 3.4.
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   262
	mac_82558_D101_A4 = 4,
fcd918d2122f Added e100 driver for kernel 3.4.
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   263
	mac_82558_D101_B0 = 5,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   264
	mac_82559_D101M   = 8,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   265
	mac_82559_D101S   = 9,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   266
	mac_82550_D102    = 12,
fcd918d2122f Added e100 driver for kernel 3.4.
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   267
	mac_82550_D102_C  = 13,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   268
	mac_82551_E       = 14,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   269
	mac_82551_F       = 15,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   270
	mac_82551_10      = 16,
fcd918d2122f Added e100 driver for kernel 3.4.
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   271
	mac_unknown       = 0xFF,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   272
};
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   273
fcd918d2122f Added e100 driver for kernel 3.4.
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   274
enum phy {
fcd918d2122f Added e100 driver for kernel 3.4.
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   275
	phy_100a     = 0x000003E0,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   276
	phy_100c     = 0x035002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   277
	phy_82555_tx = 0x015002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   278
	phy_nsc_tx   = 0x5C002000,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   279
	phy_82562_et = 0x033002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   280
	phy_82562_em = 0x032002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	phy_82562_ek = 0x031002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	phy_82562_eh = 0x017002A8,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	phy_82552_v  = 0xd061004d,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   284
	phy_unknown  = 0xFFFFFFFF,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   285
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
/* CSR (Control/Status Registers) */
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   288
struct csr {
fcd918d2122f Added e100 driver for kernel 3.4.
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diff changeset
   289
	struct {
fcd918d2122f Added e100 driver for kernel 3.4.
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   290
		u8 status;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   291
		u8 stat_ack;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   292
		u8 cmd_lo;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   293
		u8 cmd_hi;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   294
		u32 gen_ptr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	} scb;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   296
	u32 port;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	u16 flash_ctrl;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   298
	u8 eeprom_ctrl_lo;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   299
	u8 eeprom_ctrl_hi;
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   300
	u32 mdi_ctrl;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	u32 rx_dma_count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
enum scb_status {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	rus_no_res       = 0x08,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	rus_ready        = 0x10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	rus_mask         = 0x3C,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
enum ru_state  {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	RU_SUSPENDED = 0,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	RU_RUNNING	 = 1,
fcd918d2122f Added e100 driver for kernel 3.4.
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parents:
diff changeset
   313
	RU_UNINITIALIZED = -1,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
enum scb_stat_ack {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	stat_ack_not_ours    = 0x00,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	stat_ack_sw_gen      = 0x04,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	stat_ack_rnr         = 0x10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	stat_ack_cu_idle     = 0x20,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	stat_ack_frame_rx    = 0x40,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	stat_ack_cu_cmd_done = 0x80,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	stat_ack_not_present = 0xFF,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	stat_ack_rx = (stat_ack_sw_gen | stat_ack_rnr | stat_ack_frame_rx),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	stat_ack_tx = (stat_ack_cu_idle | stat_ack_cu_cmd_done),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
enum scb_cmd_hi {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	irq_mask_none = 0x00,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	irq_mask_all  = 0x01,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
	irq_sw_gen    = 0x02,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
enum scb_cmd_lo {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	cuc_nop        = 0x00,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	ruc_start      = 0x01,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	ruc_load_base  = 0x06,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	cuc_start      = 0x10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	cuc_resume     = 0x20,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	cuc_dump_addr  = 0x40,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	cuc_dump_stats = 0x50,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	cuc_load_base  = 0x60,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	cuc_dump_reset = 0x70,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
enum cuc_dump {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
	cuc_dump_complete       = 0x0000A005,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
	cuc_dump_reset_complete = 0x0000A007,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
enum port {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
	software_reset  = 0x0000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
	selftest        = 0x0001,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	selective_reset = 0x0002,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
enum eeprom_ctrl_lo {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
	eesk = 0x01,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	eecs = 0x02,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
	eedi = 0x04,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	eedo = 0x08,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
enum mdi_ctrl {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	mdi_write = 0x04000000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	mdi_read  = 0x08000000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	mdi_ready = 0x10000000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
enum eeprom_op {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	op_write = 0x05,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
	op_read  = 0x06,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	op_ewds  = 0x10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	op_ewen  = 0x13,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
enum eeprom_offsets {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	eeprom_cnfg_mdix  = 0x03,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
	eeprom_phy_iface  = 0x06,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	eeprom_id         = 0x0A,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	eeprom_config_asf = 0x0D,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	eeprom_smbus_addr = 0x90,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
enum eeprom_cnfg_mdix {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	eeprom_mdix_enabled = 0x0080,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
enum eeprom_phy_iface {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	NoSuchPhy = 0,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	I82553AB,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	I82553C,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	I82503,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	DP83840,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	S80C240,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	S80C24,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	I82555,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	DP83840A = 10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
enum eeprom_id {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	eeprom_id_wol = 0x0020,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
enum eeprom_config_asf {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	eeprom_asf = 0x8000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	eeprom_gcl = 0x4000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
enum cb_status {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	cb_complete = 0x8000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	cb_ok       = 0x2000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
/**
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
 * cb_command - Command Block flags
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
 * @cb_tx_nc:  0: controler does CRC (normal),  1: CRC from skb memory
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
enum cb_command {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	cb_nop    = 0x0000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	cb_iaaddr = 0x0001,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	cb_config = 0x0002,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	cb_multi  = 0x0003,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	cb_tx     = 0x0004,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	cb_ucode  = 0x0005,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	cb_dump   = 0x0006,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	cb_tx_sf  = 0x0008,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	cb_tx_nc  = 0x0010,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	cb_cid    = 0x1f00,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	cb_i      = 0x2000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	cb_s      = 0x4000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	cb_el     = 0x8000,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
struct rfd {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	__le16 status;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	__le16 command;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	__le32 link;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	__le32 rbd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	__le16 actual_size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	__le16 size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
struct rx {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	struct rx *next, *prev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	struct sk_buff *skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	dma_addr_t dma_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
#if defined(__BIG_ENDIAN_BITFIELD)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
#define X(a,b)	b,a
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
#else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
#define X(a,b)	a,b
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
#endif
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
struct config {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
/*0*/	u8 X(byte_count:6, pad0:2);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
/*1*/	u8 X(X(rx_fifo_limit:4, tx_fifo_limit:3), pad1:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
/*2*/	u8 adaptive_ifs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
/*3*/	u8 X(X(X(X(mwi_enable:1, type_enable:1), read_align_enable:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	   term_write_cache_line:1), pad3:4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
/*4*/	u8 X(rx_dma_max_count:7, pad4:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
/*5*/	u8 X(tx_dma_max_count:7, dma_max_count_enable:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
/*6*/	u8 X(X(X(X(X(X(X(late_scb_update:1, direct_rx_dma:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	   tno_intr:1), cna_intr:1), standard_tcb:1), standard_stat_counter:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	   rx_save_overruns : 1), rx_save_bad_frames : 1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
/*7*/	u8 X(X(X(X(X(rx_discard_short_frames:1, tx_underrun_retry:2),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	   pad7:2), rx_extended_rfd:1), tx_two_frames_in_fifo:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	   tx_dynamic_tbd:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
/*8*/	u8 X(X(mii_mode:1, pad8:6), csma_disabled:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
/*9*/	u8 X(X(X(X(X(rx_tcpudp_checksum:1, pad9:3), vlan_arp_tco:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	   link_status_wake:1), arp_wake:1), mcmatch_wake:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
/*10*/	u8 X(X(X(pad10:3, no_source_addr_insertion:1), preamble_length:2),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	   loopback:2);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
/*11*/	u8 X(linear_priority:3, pad11:5);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
/*12*/	u8 X(X(linear_priority_mode:1, pad12:3), ifs:4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
/*13*/	u8 ip_addr_lo;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
/*14*/	u8 ip_addr_hi;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
/*15*/	u8 X(X(X(X(X(X(X(promiscuous_mode:1, broadcast_disabled:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	   wait_after_win:1), pad15_1:1), ignore_ul_bit:1), crc_16_bit:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	   pad15_2:1), crs_or_cdt:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
/*16*/	u8 fc_delay_lo;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
/*17*/	u8 fc_delay_hi;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
/*18*/	u8 X(X(X(X(X(rx_stripping:1, tx_padding:1), rx_crc_transfer:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	   rx_long_ok:1), fc_priority_threshold:3), pad18:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
/*19*/	u8 X(X(X(X(X(X(X(addr_wake:1, magic_packet_disable:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	   fc_disable:1), fc_restop:1), fc_restart:1), fc_reject:1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	   full_duplex_force:1), full_duplex_pin:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
/*20*/	u8 X(X(X(pad20_1:5, fc_priority_location:1), multi_ia:1), pad20_2:1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
/*21*/	u8 X(X(pad21_1:3, multicast_all:1), pad21_2:4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
/*22*/	u8 X(X(rx_d102_mode:1, rx_vlan_drop:1), pad22:6);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	u8 pad_d102[9];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
#define E100_MAX_MULTICAST_ADDRS	64
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
struct multi {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	__le16 count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	u8 addr[E100_MAX_MULTICAST_ADDRS * ETH_ALEN + 2/*pad*/];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
/* Important: keep total struct u32-aligned */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
#define UCODE_SIZE			134
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
struct cb {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	__le16 status;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	__le16 command;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	__le32 link;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	union {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		u8 iaaddr[ETH_ALEN];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		__le32 ucode[UCODE_SIZE];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		struct config config;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		struct multi multi;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		struct {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
			u32 tbd_array;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
			u16 tcb_byte_count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
			u8 threshold;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
			u8 tbd_count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
			struct {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
				__le32 buf_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
				__le16 size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
				u16 eol;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
			} tbd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		} tcb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		__le32 dump_buffer_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	} u;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	struct cb *next, *prev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	dma_addr_t dma_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	struct sk_buff *skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
enum loopback {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	lb_none = 0, lb_mac = 1, lb_phy = 3,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
struct stats {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	__le32 tx_good_frames, tx_max_collisions, tx_late_collisions,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		tx_underruns, tx_lost_crs, tx_deferred, tx_single_collisions,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		tx_multiple_collisions, tx_total_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	__le32 rx_good_frames, rx_crc_errors, rx_alignment_errors,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		rx_resource_errors, rx_overrun_errors, rx_cdt_errors,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		rx_short_frame_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	__le32 fc_xmt_pause, fc_rcv_pause, fc_rcv_unsupported;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	__le16 xmt_tco_frames, rcv_tco_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	__le32 complete;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
struct mem {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	struct {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		u32 signature;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		u32 result;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	} selftest;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	struct stats stats;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	u8 dump_buf[596];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
struct param_range {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	u32 min;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	u32 max;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	u32 count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
struct params {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	struct param_range rfds;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	struct param_range cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
struct nic {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	/* Begin: frequently used values: keep adjacent for cache effect */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	u32 msg_enable				____cacheline_aligned;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	struct net_device *netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	struct pci_dev *pdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	u16 (*mdio_ctrl)(struct nic *nic, u32 addr, u32 dir, u32 reg, u16 data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	struct rx *rxs				____cacheline_aligned;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	struct rx *rx_to_use;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	struct rx *rx_to_clean;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	struct rfd blank_rfd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	enum ru_state ru_running;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	spinlock_t cb_lock			____cacheline_aligned;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	spinlock_t cmd_lock;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	struct csr __iomem *csr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	enum scb_cmd_lo cuc_cmd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	unsigned int cbs_avail;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	struct napi_struct napi;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	struct cb *cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	struct cb *cb_to_use;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	struct cb *cb_to_send;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	struct cb *cb_to_clean;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	__le16 tx_command;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	/* End: frequently used values: keep adjacent for cache effect */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	enum {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		ich                = (1 << 0),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		promiscuous        = (1 << 1),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		multicast_all      = (1 << 2),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		wol_magic          = (1 << 3),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		ich_10h_workaround = (1 << 4),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	} flags					____cacheline_aligned;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	enum mac mac;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	enum phy phy;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	struct params params;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	struct timer_list watchdog;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	struct mii_if_info mii;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	struct work_struct tx_timeout_task;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	enum loopback loopback;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	struct mem *mem;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	dma_addr_t dma_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	struct pci_pool *cbs_pool;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	dma_addr_t cbs_dma_addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	u8 adaptive_ifs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	u8 tx_threshold;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	u32 tx_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	u32 tx_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	u32 tx_deferred;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	u32 tx_single_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	u32 tx_multiple_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	u32 tx_fc_pause;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	u32 tx_tco_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	u32 rx_fc_pause;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	u32 rx_fc_unsupported;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	u32 rx_tco_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	u32 rx_short_frame_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	u32 rx_over_length_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	u16 eeprom_wc;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	__le16 eeprom[256];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	spinlock_t mdio_lock;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	const struct firmware *fw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
static inline void e100_write_flush(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	/* Flush previous PCI writes through intermediate bridges
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	 * by doing a benign read */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	(void)ioread8(&nic->csr->scb.status);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
static void e100_enable_irq(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	unsigned long flags;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	spin_lock_irqsave(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	iowrite8(irq_mask_none, &nic->csr->scb.cmd_hi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	e100_write_flush(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	spin_unlock_irqrestore(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
static void e100_disable_irq(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	unsigned long flags;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	spin_lock_irqsave(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	iowrite8(irq_mask_all, &nic->csr->scb.cmd_hi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	e100_write_flush(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	spin_unlock_irqrestore(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
static void e100_hw_reset(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	/* Put CU and RU into idle with a selective reset to get
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	 * device off of PCI bus */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	iowrite32(selective_reset, &nic->csr->port);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	e100_write_flush(nic); udelay(20);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	/* Now fully reset device */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	iowrite32(software_reset, &nic->csr->port);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	e100_write_flush(nic); udelay(20);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	/* Mask off our interrupt line - it's unmasked after reset */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	e100_disable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
static int e100_self_test(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	u32 dma_addr = nic->dma_addr + offsetof(struct mem, selftest);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	/* Passing the self-test is a pretty good indication
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	 * that the device can DMA to/from host memory */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	nic->mem->selftest.signature = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	nic->mem->selftest.result = 0xFFFFFFFF;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	iowrite32(selftest | dma_addr, &nic->csr->port);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	e100_write_flush(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	/* Wait 10 msec for self-test to complete */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	msleep(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	/* Interrupts are enabled after self-test */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	e100_disable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	/* Check results of self-test */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	if (nic->mem->selftest.result != 0) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		netif_err(nic, hw, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
			  "Self-test failed: result=0x%08X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
			  nic->mem->selftest.result);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		return -ETIMEDOUT;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	if (nic->mem->selftest.signature == 0) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		netif_err(nic, hw, nic->netdev, "Self-test failed: timed out\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		return -ETIMEDOUT;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, __le16 data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	u32 cmd_addr_data[3];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	u8 ctrl;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	int i, j;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	/* Three cmds: write/erase enable, write data, write/erase disable */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	cmd_addr_data[0] = op_ewen << (addr_len - 2);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	cmd_addr_data[1] = (((op_write << addr_len) | addr) << 16) |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
		le16_to_cpu(data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	cmd_addr_data[2] = op_ewds << (addr_len - 2);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	/* Bit-bang cmds to write word to eeprom */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	for (j = 0; j < 3; j++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		/* Chip select */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		iowrite8(eecs | eesk, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		for (i = 31; i >= 0; i--) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			ctrl = (cmd_addr_data[j] & (1 << i)) ?
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
				eecs | eedi : eecs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
			iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
			e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
			iowrite8(ctrl | eesk, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
			e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		/* Wait 10 msec for cmd to complete */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		msleep(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		/* Chip deselect */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		iowrite8(0, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
/* General technique stolen from the eepro100 driver - very clever */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	u32 cmd_addr_data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	u16 data = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	u8 ctrl;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	int i;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	cmd_addr_data = ((op_read << *addr_len) | addr) << 16;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	/* Chip select */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	iowrite8(eecs | eesk, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	/* Bit-bang to read word from eeprom */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	for (i = 31; i >= 0; i--) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		iowrite8(ctrl | eesk, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		/* Eeprom drives a dummy zero to EEDO after receiving
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		 * complete address.  Use this to adjust addr_len. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		ctrl = ioread8(&nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		if (!(ctrl & eedo) && i > 16) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			*addr_len -= (i - 16);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			i = 17;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		data = (data << 1) | (ctrl & eedo ? 1 : 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	/* Chip deselect */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	iowrite8(0, &nic->csr->eeprom_ctrl_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	e100_write_flush(nic); udelay(4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	return cpu_to_le16(data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
/* Load entire EEPROM image into driver cache and validate checksum */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
static int e100_eeprom_load(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	u16 addr, addr_len = 8, checksum = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	/* Try reading with an 8-bit addr len to discover actual addr len */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	e100_eeprom_read(nic, &addr_len, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	nic->eeprom_wc = 1 << addr_len;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	for (addr = 0; addr < nic->eeprom_wc; addr++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		if (addr < nic->eeprom_wc - 1)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
			checksum += le16_to_cpu(nic->eeprom[addr]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	/* The checksum, stored in the last word, is calculated such that
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	 * the sum of words should be 0xBABA */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	if (cpu_to_le16(0xBABA - checksum) != nic->eeprom[nic->eeprom_wc - 1]) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		netif_err(nic, probe, nic->netdev, "EEPROM corrupted\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		if (!eeprom_bad_csum_allow)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			return -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
/* Save (portion of) driver EEPROM cache to device and update checksum */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
static int e100_eeprom_save(struct nic *nic, u16 start, u16 count)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	u16 addr, addr_len = 8, checksum = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	/* Try reading with an 8-bit addr len to discover actual addr len */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	e100_eeprom_read(nic, &addr_len, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	nic->eeprom_wc = 1 << addr_len;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	if (start + count >= nic->eeprom_wc)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		return -EINVAL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	for (addr = start; addr < start + count; addr++)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		e100_eeprom_write(nic, addr_len, addr, nic->eeprom[addr]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	/* The checksum, stored in the last word, is calculated such that
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	 * the sum of words should be 0xBABA */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	for (addr = 0; addr < nic->eeprom_wc - 1; addr++)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		checksum += le16_to_cpu(nic->eeprom[addr]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	nic->eeprom[nic->eeprom_wc - 1] = cpu_to_le16(0xBABA - checksum);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		nic->eeprom[nic->eeprom_wc - 1]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
#define E100_WAIT_SCB_TIMEOUT 20000 /* we might have to wait 100ms!!! */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
#define E100_WAIT_SCB_FAST 20       /* delay like the old code */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
static int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	unsigned long flags;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	unsigned int i;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	int err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	spin_lock_irqsave(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	/* Previous command is accepted when SCB clears */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	for (i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		if (likely(!ioread8(&nic->csr->scb.cmd_lo)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		cpu_relax();
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		if (unlikely(i > E100_WAIT_SCB_FAST))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			udelay(5);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	if (unlikely(i == E100_WAIT_SCB_TIMEOUT)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		err = -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		goto err_unlock;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	if (unlikely(cmd != cuc_resume))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		iowrite32(dma_addr, &nic->csr->scb.gen_ptr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	iowrite8(cmd, &nic->csr->scb.cmd_lo);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
err_unlock:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	spin_unlock_irqrestore(&nic->cmd_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
static int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	struct cb *cb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	unsigned long flags;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	int err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	spin_lock_irqsave(&nic->cb_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	if (unlikely(!nic->cbs_avail)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		err = -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		goto err_unlock;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	cb = nic->cb_to_use;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	nic->cb_to_use = cb->next;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	nic->cbs_avail--;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	cb->skb = skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	if (unlikely(!nic->cbs_avail))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		err = -ENOSPC;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	cb_prepare(nic, cb, skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	/* Order is important otherwise we'll be in a race with h/w:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	 * set S-bit in current first, then clear S-bit in previous. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	cb->command |= cpu_to_le16(cb_s);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	wmb();
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	cb->prev->command &= cpu_to_le16(~cb_s);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	while (nic->cb_to_send != nic->cb_to_use) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		if (unlikely(e100_exec_cmd(nic, nic->cuc_cmd,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			nic->cb_to_send->dma_addr))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
			/* Ok, here's where things get sticky.  It's
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
			 * possible that we can't schedule the command
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
			 * because the controller is too busy, so
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
			 * let's just queue the command and try again
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
			 * when another command is scheduled. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			if (err == -ENOSPC) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
				//request a reset
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
				schedule_work(&nic->tx_timeout_task);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
			}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			nic->cuc_cmd = cuc_resume;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
			nic->cb_to_send = nic->cb_to_send->next;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
err_unlock:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	spin_unlock_irqrestore(&nic->cb_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
static int mdio_read(struct net_device *netdev, int addr, int reg)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	return nic->mdio_ctrl(nic, addr, mdi_read, reg, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
static void mdio_write(struct net_device *netdev, int addr, int reg, int data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	nic->mdio_ctrl(nic, addr, mdi_write, reg, data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
/* the standard mdio_ctrl() function for usual MII-compliant hardware */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
static u16 mdio_ctrl_hw(struct nic *nic, u32 addr, u32 dir, u32 reg, u16 data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	u32 data_out = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	unsigned int i;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	unsigned long flags;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	/*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	 * Stratus87247: we shouldn't be writing the MDI control
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	 * register until the Ready bit shows True.  Also, since
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	 * manipulation of the MDI control registers is a multi-step
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	 * procedure it should be done under lock.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	spin_lock_irqsave(&nic->mdio_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	for (i = 100; i; --i) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		if (ioread32(&nic->csr->mdi_ctrl) & mdi_ready)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
		udelay(20);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	if (unlikely(!i)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		netdev_err(nic->netdev, "e100.mdio_ctrl won't go Ready\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		spin_unlock_irqrestore(&nic->mdio_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		return 0;		/* No way to indicate timeout error */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	iowrite32((reg << 16) | (addr << 21) | dir | data, &nic->csr->mdi_ctrl);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	for (i = 0; i < 100; i++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		udelay(20);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		if ((data_out = ioread32(&nic->csr->mdi_ctrl)) & mdi_ready)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	spin_unlock_irqrestore(&nic->mdio_lock, flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		     "%s:addr=%d, reg=%d, data_in=0x%04X, data_out=0x%04X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		     dir == mdi_read ? "READ" : "WRITE",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		     addr, reg, data, data_out);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	return (u16)data_out;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
/* slightly tweaked mdio_ctrl() function for phy_82552_v specifics */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
static u16 mdio_ctrl_phy_82552_v(struct nic *nic,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
				 u32 addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
				 u32 dir,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
				 u32 reg,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
				 u16 data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	if ((reg == MII_BMCR) && (dir == mdi_write)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		if (data & (BMCR_ANRESTART | BMCR_ANENABLE)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
			u16 advert = mdio_read(nic->netdev, nic->mii.phy_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
							MII_ADVERTISE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
			/*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
			 * Workaround Si issue where sometimes the part will not
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
			 * autoneg to 100Mbps even when advertised.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
			 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
			if (advert & ADVERTISE_100FULL)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
				data |= BMCR_SPEED100 | BMCR_FULLDPLX;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
			else if (advert & ADVERTISE_100HALF)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
				data |= BMCR_SPEED100;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	return mdio_ctrl_hw(nic, addr, dir, reg, data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
/* Fully software-emulated mdio_ctrl() function for cards without
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
 * MII-compliant PHYs.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
 * For now, this is mainly geared towards 80c24 support; in case of further
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
 * requirements for other types (i82503, ...?) either extend this mechanism
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
 * or split it, whichever is cleaner.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
static u16 mdio_ctrl_phy_mii_emulated(struct nic *nic,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
				      u32 addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
				      u32 dir,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
				      u32 reg,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
				      u16 data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	/* might need to allocate a netdev_priv'ed register array eventually
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 * to be able to record state changes, but for now
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	 * some fully hardcoded register handling ought to be ok I guess. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	if (dir == mdi_read) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		switch (reg) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		case MII_BMCR:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			/* Auto-negotiation, right? */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
			return  BMCR_ANENABLE |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
				BMCR_FULLDPLX;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		case MII_BMSR:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
			return	BMSR_LSTATUS /* for mii_link_ok() */ |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
				BMSR_ANEGCAPABLE |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
				BMSR_10FULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		case MII_ADVERTISE:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
			/* 80c24 is a "combo card" PHY, right? */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
			return	ADVERTISE_10HALF |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
				ADVERTISE_10FULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		default:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
			netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
				     "%s:addr=%d, reg=%d, data=0x%04X: unimplemented emulation!\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
				     dir == mdi_read ? "READ" : "WRITE",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
				     addr, reg, data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
			return 0xFFFF;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		switch (reg) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		default:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
			netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
				     "%s:addr=%d, reg=%d, data=0x%04X: unimplemented emulation!\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
				     dir == mdi_read ? "READ" : "WRITE",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
				     addr, reg, data);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
			return 0xFFFF;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
static inline int e100_phy_supports_mii(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	/* for now, just check it by comparing whether we
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	   are using MII software emulation.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	*/
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	return (nic->mdio_ctrl != mdio_ctrl_phy_mii_emulated);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
static void e100_get_defaults(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	struct param_range rfds = { .min = 16, .max = 256, .count = 256 };
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	struct param_range cbs  = { .min = 64, .max = 256, .count = 128 };
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	/* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->pdev->revision;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	if (nic->mac == mac_unknown)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		nic->mac = mac_82557_D100_A;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	nic->params.rfds = rfds;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	nic->params.cbs = cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	/* Quadwords to DMA into FIFO before starting frame transmit */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	nic->tx_threshold = 0xE0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	/* no interrupt for every tx completion, delay = 256us if not 557 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	nic->tx_command = cpu_to_le16(cb_tx | cb_tx_sf |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		((nic->mac >= mac_82558_D101_A4) ? cb_cid : cb_i));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	/* Template for a freshly allocated RFD */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	nic->blank_rfd.command = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	nic->blank_rfd.rbd = cpu_to_le32(0xFFFFFFFF);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	nic->blank_rfd.size = cpu_to_le16(VLAN_ETH_FRAME_LEN + ETH_FCS_LEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	/* MII setup */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	nic->mii.phy_id_mask = 0x1F;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	nic->mii.reg_num_mask = 0x1F;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	nic->mii.dev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	nic->mii.mdio_read = mdio_read;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	nic->mii.mdio_write = mdio_write;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	struct config *config = &cb->u.config;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	u8 *c = (u8 *)config;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	struct net_device *netdev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	cb->command = cpu_to_le16(cb_config);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	memset(config, 0, sizeof(struct config));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	config->byte_count = 0x16;		/* bytes in this struct */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	config->rx_fifo_limit = 0x8;		/* bytes in FIFO before DMA */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	config->direct_rx_dma = 0x1;		/* reserved */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	config->standard_tcb = 0x1;		/* 1=standard, 0=extended */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	config->standard_stat_counter = 0x1;	/* 1=standard, 0=extended */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	config->rx_discard_short_frames = 0x1;	/* 1=discard, 0=pass */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	config->tx_underrun_retry = 0x3;	/* # of underrun retries */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	if (e100_phy_supports_mii(nic))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		config->mii_mode = 1;           /* 1=MII mode, 0=i82503 mode */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	config->pad10 = 0x6;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	config->no_source_addr_insertion = 0x1;	/* 1=no, 0=yes */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	config->preamble_length = 0x2;		/* 0=1, 1=3, 2=7, 3=15 bytes */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	config->ifs = 0x6;			/* x16 = inter frame spacing */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	config->ip_addr_hi = 0xF2;		/* ARP IP filter - not used */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	config->pad15_1 = 0x1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	config->pad15_2 = 0x1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	config->crs_or_cdt = 0x0;		/* 0=CRS only, 1=CRS or CDT */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	config->fc_delay_hi = 0x40;		/* time delay for fc frame */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	config->tx_padding = 0x1;		/* 1=pad short frames */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	config->fc_priority_threshold = 0x7;	/* 7=priority fc disabled */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	config->pad18 = 0x1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	config->full_duplex_pin = 0x1;		/* 1=examine FDX# pin */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	config->pad20_1 = 0x1F;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	config->fc_priority_location = 0x1;	/* 1=byte#31, 0=byte#19 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	config->pad21_1 = 0x5;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	config->adaptive_ifs = nic->adaptive_ifs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	config->loopback = nic->loopback;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	if (nic->mii.force_media && nic->mii.full_duplex)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		config->full_duplex_force = 0x1;	/* 1=force, 0=auto */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	if (nic->flags & promiscuous || nic->loopback) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		config->rx_save_bad_frames = 0x1;	/* 1=save, 0=discard */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		config->rx_discard_short_frames = 0x0;	/* 1=discard, 0=save */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		config->promiscuous_mode = 0x1;		/* 1=on, 0=off */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	if (unlikely(netdev->features & NETIF_F_RXFCS))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		config->rx_crc_transfer = 0x1;	/* 1=save, 0=discard */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	if (nic->flags & multicast_all)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		config->multicast_all = 0x1;		/* 1=accept, 0=no */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	/* disable WoL when up */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	if (netif_running(nic->netdev) || !(nic->flags & wol_magic))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		config->magic_packet_disable = 0x1;	/* 1=off, 0=on */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	if (nic->mac >= mac_82558_D101_A4) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		config->fc_disable = 0x1;	/* 1=Tx fc off, 0=Tx fc on */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		config->mwi_enable = 0x1;	/* 1=enable, 0=disable */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		config->standard_tcb = 0x0;	/* 1=standard, 0=extended */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		config->rx_long_ok = 0x1;	/* 1=VLANs ok, 0=standard */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		if (nic->mac >= mac_82559_D101M) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
			config->tno_intr = 0x1;		/* TCO stats enable */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			/* Enable TCO in extended config */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			if (nic->mac >= mac_82551_10) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
				config->byte_count = 0x20; /* extended bytes */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
				config->rx_d102_mode = 0x1; /* GMRC for TCO */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			config->standard_stat_counter = 0x0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	if (netdev->features & NETIF_F_RXALL) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		config->rx_save_overruns = 0x1; /* 1=save, 0=discard */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		config->rx_save_bad_frames = 0x1;       /* 1=save, 0=discard */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		config->rx_discard_short_frames = 0x0;  /* 1=discard, 0=save */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		     "[00-07]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		     c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		     "[08-15]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		     c[8], c[9], c[10], c[11], c[12], c[13], c[14], c[15]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		     "[16-23]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		     c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
/*************************************************************************
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
*  CPUSaver parameters
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
*  All CPUSaver parameters are 16-bit literals that are part of a
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
*  "move immediate value" instruction.  By changing the value of
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
*  the literal in the instruction before the code is loaded, the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
*  driver can change the algorithm.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
*  INTDELAY - This loads the dead-man timer with its initial value.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
*    When this timer expires the interrupt is asserted, and the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
*    timer is reset each time a new packet is received.  (see
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
*    BUNDLEMAX below to set the limit on number of chained packets)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
*    The current default is 0x600 or 1536.  Experiments show that
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
*    the value should probably stay within the 0x200 - 0x1000.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
*  BUNDLEMAX -
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
*    This sets the maximum number of frames that will be bundled.  In
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
*    some situations, such as the TCP windowing algorithm, it may be
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
*    better to limit the growth of the bundle size than let it go as
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
*    high as it can, because that could cause too much added latency.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
*    The default is six, because this is the number of packets in the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
*    default TCP window size.  A value of 1 would make CPUSaver indicate
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
*    an interrupt for every frame received.  If you do not want to put
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
*    a limit on the bundle size, set this value to xFFFF.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
*  BUNDLESMALL -
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
*    This contains a bit-mask describing the minimum size frame that
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
*    will be bundled.  The default masks the lower 7 bits, which means
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
*    that any frame less than 128 bytes in length will not be bundled,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
*    but will instead immediately generate an interrupt.  This does
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
*    not affect the current bundle in any way.  Any frame that is 128
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
*    bytes or large will be bundled normally.  This feature is meant
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
*    to provide immediate indication of ACK frames in a TCP environment.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
*    Customers were seeing poor performance when a machine with CPUSaver
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
*    enabled was sending but not receiving.  The delay introduced when
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
*    the ACKs were received was enough to reduce total throughput, because
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
*    the sender would sit idle until the ACK was finally seen.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
*    The current default is 0xFF80, which masks out the lower 7 bits.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
*    This means that any frame which is x7F (127) bytes or smaller
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
*    will cause an immediate interrupt.  Because this value must be a
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
*    bit mask, there are only a few valid values that can be used.  To
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
*    turn this feature off, the driver can write the value xFFFF to the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
*    lower word of this instruction (in the same way that the other
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
*    parameters are used).  Likewise, a value of 0xF800 (2047) would
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
*    cause an interrupt to be generated for every frame, because all
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
*    standard Ethernet frames are <= 2047 bytes in length.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
*************************************************************************/
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
/* if you wish to disable the ucode functionality, while maintaining the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
 * workarounds it provides, set the following defines to:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
 * BUNDLESMALL 0
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
 * BUNDLEMAX 1
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
 * INTDELAY 1
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
#define BUNDLESMALL 1
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
#define BUNDLEMAX (u16)6
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
#define INTDELAY (u16)1536 /* 0x600 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
/* Initialize firmware */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
static const struct firmware *e100_request_firmware(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	const char *fw_name;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	const struct firmware *fw = nic->fw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	u8 timer, bundle, min_size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	int err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	/* do not load u-code for ICH devices */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	if (nic->flags & ich)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		return NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	/* Search for ucode match against h/w revision */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	if (nic->mac == mac_82559_D101M)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		fw_name = FIRMWARE_D101M;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	else if (nic->mac == mac_82559_D101S)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		fw_name = FIRMWARE_D101S;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	else if (nic->mac == mac_82551_F || nic->mac == mac_82551_10)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
		fw_name = FIRMWARE_D102E;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	else /* No ucode on other devices */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		return NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	/* If the firmware has not previously been loaded, request a pointer
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	 * to it. If it was previously loaded, we are reinitializing the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	 * adapter, possibly in a resume from hibernate, in which case
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	 * request_firmware() cannot be used.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	if (!fw)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		err = request_firmware(&fw, fw_name, &nic->pdev->dev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	if (err) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		netif_err(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
			  "Failed to load firmware \"%s\": %d\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
			  fw_name, err);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		return ERR_PTR(err);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	/* Firmware should be precisely UCODE_SIZE (words) plus three bytes
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	   indicating the offsets for BUNDLESMALL, BUNDLEMAX, INTDELAY */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	if (fw->size != UCODE_SIZE * 4 + 3) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		netif_err(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
			  "Firmware \"%s\" has wrong size %zu\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
			  fw_name, fw->size);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		release_firmware(fw);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
		return ERR_PTR(-EINVAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	/* Read timer, bundle and min_size from end of firmware blob */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	timer = fw->data[UCODE_SIZE * 4];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	bundle = fw->data[UCODE_SIZE * 4 + 1];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	min_size = fw->data[UCODE_SIZE * 4 + 2];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	if (timer >= UCODE_SIZE || bundle >= UCODE_SIZE ||
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	    min_size >= UCODE_SIZE) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		netif_err(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
			  "\"%s\" has bogus offset values (0x%x,0x%x,0x%x)\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
			  fw_name, timer, bundle, min_size);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		release_firmware(fw);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		return ERR_PTR(-EINVAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	/* OK, firmware is validated and ready to use. Save a pointer
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	 * to it in the nic */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	nic->fw = fw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	return fw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
static void e100_setup_ucode(struct nic *nic, struct cb *cb,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
			     struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	const struct firmware *fw = (void *)skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	u8 timer, bundle, min_size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	/* It's not a real skb; we just abused the fact that e100_exec_cb
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	   will pass it through to here... */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	cb->skb = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	/* firmware is stored as little endian already */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	memcpy(cb->u.ucode, fw->data, UCODE_SIZE * 4);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	/* Read timer, bundle and min_size from end of firmware blob */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	timer = fw->data[UCODE_SIZE * 4];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	bundle = fw->data[UCODE_SIZE * 4 + 1];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	min_size = fw->data[UCODE_SIZE * 4 + 2];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	/* Insert user-tunable settings in cb->u.ucode */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	cb->u.ucode[timer] &= cpu_to_le32(0xFFFF0000);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	cb->u.ucode[timer] |= cpu_to_le32(INTDELAY);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	cb->u.ucode[bundle] &= cpu_to_le32(0xFFFF0000);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	cb->u.ucode[bundle] |= cpu_to_le32(BUNDLEMAX);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	cb->u.ucode[min_size] &= cpu_to_le32(0xFFFF0000);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	cb->u.ucode[min_size] |= cpu_to_le32((BUNDLESMALL) ? 0xFFFF : 0xFF80);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	cb->command = cpu_to_le16(cb_ucode | cb_el);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
static inline int e100_load_ucode_wait(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	const struct firmware *fw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	int err = 0, counter = 50;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	struct cb *cb = nic->cb_to_clean;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	fw = e100_request_firmware(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	/* If it's NULL, then no ucode is required */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	if (!fw || IS_ERR(fw))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
		return PTR_ERR(fw);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	if ((err = e100_exec_cb(nic, (void *)fw, e100_setup_ucode)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
		netif_err(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
			  "ucode cmd failed with error %d\n", err);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	/* must restart cuc */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	nic->cuc_cmd = cuc_start;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	/* wait for completion */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	e100_write_flush(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	udelay(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	/* wait for possibly (ouch) 500ms */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	while (!(cb->status & cpu_to_le16(cb_complete))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		msleep(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		if (!--counter) break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	/* ack any interrupts, something could have been set */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	iowrite8(~0, &nic->csr->scb.stat_ack);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	/* if the command failed, or is not OK, notify and return */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	if (!counter || !(cb->status & cpu_to_le16(cb_ok))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		netif_err(nic, probe, nic->netdev, "ucode load failed\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		err = -EPERM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	cb->command = cpu_to_le16(cb_iaaddr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	memcpy(cb->u.iaaddr, nic->netdev->dev_addr, ETH_ALEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
static void e100_dump(struct nic *nic, struct cb *cb, struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	cb->command = cpu_to_le16(cb_dump);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	cb->u.dump_buffer_addr = cpu_to_le32(nic->dma_addr +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		offsetof(struct mem, dump_buf));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
static int e100_phy_check_without_mii(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	u8 phy_type;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	int without_mii;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	phy_type = (nic->eeprom[eeprom_phy_iface] >> 8) & 0x0f;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	switch (phy_type) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	case NoSuchPhy: /* Non-MII PHY; UNTESTED! */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	case I82503: /* Non-MII PHY; UNTESTED! */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	case S80C24: /* Non-MII PHY; tested and working */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		/* paragraph from the FreeBSD driver, "FXP_PHY_80C24":
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		 * The Seeq 80c24 AutoDUPLEX(tm) Ethernet Interface Adapter
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		 * doesn't have a programming interface of any sort.  The
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		 * media is sensed automatically based on how the link partner
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		 * is configured.  This is, in essence, manual configuration.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		netif_info(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			   "found MII-less i82503 or 80c24 or other PHY\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		nic->mdio_ctrl = mdio_ctrl_phy_mii_emulated;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		nic->mii.phy_id = 0; /* is this ok for an MII-less PHY? */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		/* these might be needed for certain MII-less cards...
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		 * nic->flags |= ich;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
		 * nic->flags |= ich_10h_workaround; */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		without_mii = 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	default:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		without_mii = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	return without_mii;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
#define NCONFIG_AUTO_SWITCH	0x0080
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
#define MII_NSC_CONG		MII_RESV1
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
#define NSC_CONG_ENABLE		0x0100
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
#define NSC_CONG_TXREADY	0x0400
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
#define ADVERTISE_FC_SUPPORTED	0x0400
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
static int e100_phy_init(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	struct net_device *netdev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	u32 addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	u16 bmcr, stat, id_lo, id_hi, cong;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	/* Discover phy addr by searching addrs in order {1,0,2,..., 31} */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	for (addr = 0; addr < 32; addr++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		nic->mii.phy_id = (addr == 0) ? 1 : (addr == 1) ? 0 : addr;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
		stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
		if (!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0))))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	if (addr == 32) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
		/* uhoh, no PHY detected: check whether we seem to be some
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
		 * weird, rare variant which is *known* to not have any MII.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		 * But do this AFTER MII checking only, since this does
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		 * lookup of EEPROM values which may easily be unreliable. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		if (e100_phy_check_without_mii(nic))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
			return 0; /* simply return and hope for the best */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
			/* for unknown cases log a fatal error */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
			netif_err(nic, hw, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
				  "Failed to locate any known PHY, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
			return -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	} else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
			     "phy_addr = %d\n", nic->mii.phy_id);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	/* Get phy ID */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	id_hi = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID2);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	nic->phy = (u32)id_hi << 16 | (u32)id_lo;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		     "phy ID = 0x%08X\n", nic->phy);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	/* Select the phy and isolate the rest */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	for (addr = 0; addr < 32; addr++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		if (addr != nic->mii.phy_id) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
			mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		} else if (nic->phy != phy_82552_v) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
			bmcr = mdio_read(netdev, addr, MII_BMCR);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
			mdio_write(netdev, addr, MII_BMCR,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
				bmcr & ~BMCR_ISOLATE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	/*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	 * Workaround for 82552:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	 * Clear the ISOLATE bit on selected phy_id last (mirrored on all
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	 * other phy_id's) using bmcr value from addr discovery loop above.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	if (nic->phy == phy_82552_v)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		mdio_write(netdev, nic->mii.phy_id, MII_BMCR,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
			bmcr & ~BMCR_ISOLATE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	/* Handle National tx phys */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
#define NCS_PHY_MODEL_MASK	0xFFF0FFFF
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		/* Disable congestion control */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		cong = mdio_read(netdev, nic->mii.phy_id, MII_NSC_CONG);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		cong |= NSC_CONG_TXREADY;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		cong &= ~NSC_CONG_ENABLE;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	if (nic->phy == phy_82552_v) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		u16 advert = mdio_read(netdev, nic->mii.phy_id, MII_ADVERTISE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		/* assign special tweaked mdio_ctrl() function */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		nic->mdio_ctrl = mdio_ctrl_phy_82552_v;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		/* Workaround Si not advertising flow-control during autoneg */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		advert |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		mdio_write(netdev, nic->mii.phy_id, MII_ADVERTISE, advert);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		/* Reset for the above changes to take effect */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		bmcr |= BMCR_RESET;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	} else if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	   (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		/* enable/disable MDI/MDI-X auto-switching. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
				nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
static int e100_hw_init(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	int err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	e100_hw_reset(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	netif_err(nic, hw, nic->netdev, "e100_hw_init\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	if (!in_interrupt() && (err = e100_self_test(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	if ((err = e100_phy_init(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	if ((err = e100_exec_cmd(nic, cuc_load_base, 0)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	if ((err = e100_exec_cmd(nic, ruc_load_base, 0)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	if ((err = e100_load_ucode_wait(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	if ((err = e100_exec_cb(nic, NULL, e100_configure)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	if ((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	if ((err = e100_exec_cmd(nic, cuc_dump_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		nic->dma_addr + offsetof(struct mem, stats))))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	if ((err = e100_exec_cmd(nic, cuc_dump_reset, 0)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	e100_disable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	struct net_device *netdev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	struct netdev_hw_addr *ha;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	u16 i, count = min(netdev_mc_count(netdev), E100_MAX_MULTICAST_ADDRS);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	cb->command = cpu_to_le16(cb_multi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	cb->u.multi.count = cpu_to_le16(count * ETH_ALEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	i = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	netdev_for_each_mc_addr(ha, netdev) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		if (i == count)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		memcpy(&cb->u.multi.addr[i++ * ETH_ALEN], &ha->addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
			ETH_ALEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
static void e100_set_multicast_list(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		     "mc_count=%d, flags=0x%04X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		     netdev_mc_count(netdev), netdev->flags);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	if (netdev->flags & IFF_PROMISC)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		nic->flags |= promiscuous;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		nic->flags &= ~promiscuous;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	if (netdev->flags & IFF_ALLMULTI ||
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		netdev_mc_count(netdev) > E100_MAX_MULTICAST_ADDRS)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		nic->flags |= multicast_all;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		nic->flags &= ~multicast_all;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	e100_exec_cb(nic, NULL, e100_configure);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	e100_exec_cb(nic, NULL, e100_multi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
static void e100_update_stats(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	struct net_device *dev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	struct net_device_stats *ns = &dev->stats;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	struct stats *s = &nic->mem->stats;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	__le32 *complete = (nic->mac < mac_82558_D101_A4) ? &s->fc_xmt_pause :
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		(nic->mac < mac_82559_D101M) ? (__le32 *)&s->xmt_tco_frames :
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
		&s->complete;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	/* Device's stats reporting may take several microseconds to
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	 * complete, so we're always waiting for results of the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	 * previous command. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	if (*complete == cpu_to_le32(cuc_dump_reset_complete)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		*complete = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		nic->tx_frames = le32_to_cpu(s->tx_good_frames);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		nic->tx_collisions = le32_to_cpu(s->tx_total_collisions);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		ns->tx_aborted_errors += le32_to_cpu(s->tx_max_collisions);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		ns->tx_window_errors += le32_to_cpu(s->tx_late_collisions);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		ns->tx_carrier_errors += le32_to_cpu(s->tx_lost_crs);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		ns->tx_fifo_errors += le32_to_cpu(s->tx_underruns);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		ns->collisions += nic->tx_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		ns->tx_errors += le32_to_cpu(s->tx_max_collisions) +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
			le32_to_cpu(s->tx_lost_crs);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		nic->rx_short_frame_errors +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
			le32_to_cpu(s->rx_short_frame_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		ns->rx_length_errors = nic->rx_short_frame_errors +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
			nic->rx_over_length_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		ns->rx_crc_errors += le32_to_cpu(s->rx_crc_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		ns->rx_frame_errors += le32_to_cpu(s->rx_alignment_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		ns->rx_over_errors += le32_to_cpu(s->rx_overrun_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		ns->rx_fifo_errors += le32_to_cpu(s->rx_overrun_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		ns->rx_missed_errors += le32_to_cpu(s->rx_resource_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		ns->rx_errors += le32_to_cpu(s->rx_crc_errors) +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			le32_to_cpu(s->rx_alignment_errors) +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			le32_to_cpu(s->rx_short_frame_errors) +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
			le32_to_cpu(s->rx_cdt_errors);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		nic->tx_deferred += le32_to_cpu(s->tx_deferred);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		nic->tx_single_collisions +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
			le32_to_cpu(s->tx_single_collisions);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		nic->tx_multiple_collisions +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
			le32_to_cpu(s->tx_multiple_collisions);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		if (nic->mac >= mac_82558_D101_A4) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
			nic->tx_fc_pause += le32_to_cpu(s->fc_xmt_pause);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
			nic->rx_fc_pause += le32_to_cpu(s->fc_rcv_pause);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
			nic->rx_fc_unsupported +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
				le32_to_cpu(s->fc_rcv_unsupported);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
			if (nic->mac >= mac_82559_D101M) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
				nic->tx_tco_frames +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
					le16_to_cpu(s->xmt_tco_frames);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
				nic->rx_tco_frames +=
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
					le16_to_cpu(s->rcv_tco_frames);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	if (e100_exec_cmd(nic, cuc_dump_reset, 0))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
			     "exec cuc_dump_reset failed\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
static void e100_adjust_adaptive_ifs(struct nic *nic, int speed, int duplex)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	/* Adjust inter-frame-spacing (IFS) between two transmits if
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	 * we're getting collisions on a half-duplex connection. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	if (duplex == DUPLEX_HALF) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		u32 prev = nic->adaptive_ifs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		u32 min_frames = (speed == SPEED_100) ? 1000 : 100;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		if ((nic->tx_frames / 32 < nic->tx_collisions) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		   (nic->tx_frames > min_frames)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
			if (nic->adaptive_ifs < 60)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
				nic->adaptive_ifs += 5;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		} else if (nic->tx_frames < min_frames) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
			if (nic->adaptive_ifs >= 5)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
				nic->adaptive_ifs -= 5;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		if (nic->adaptive_ifs != prev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			e100_exec_cb(nic, NULL, e100_configure);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
static void e100_watchdog(unsigned long data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	struct nic *nic = (struct nic *)data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET };
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u32 speed;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	netif_printk(nic, timer, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		     "right now = %ld\n", jiffies);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	/* mii library handles link maintenance tasks */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	mii_ethtool_gset(&nic->mii, &cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	speed = ethtool_cmd_speed(&cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	if (mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		netdev_info(nic->netdev, "NIC Link is Up %u Mbps %s Duplex\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
			    speed == SPEED_100 ? 100 : 10,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
			    cmd.duplex == DUPLEX_FULL ? "Full" : "Half");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	} else if (!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		netdev_info(nic->netdev, "NIC Link is Down\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	mii_check_link(&nic->mii);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	/* Software generated interrupt to recover from (rare) Rx
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	 * allocation failure.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	 * Unfortunately have to use a spinlock to not re-enable interrupts
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	 * accidentally, due to hardware that shares a register between the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	 * interrupt mask bit and the SW Interrupt generation bit */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	spin_lock_irq(&nic->cmd_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	iowrite8(ioread8(&nic->csr->scb.cmd_hi) | irq_sw_gen,&nic->csr->scb.cmd_hi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	e100_write_flush(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	spin_unlock_irq(&nic->cmd_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	e100_update_stats(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	e100_adjust_adaptive_ifs(nic, speed, cmd.duplex);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	if (nic->mac <= mac_82557_D100_C)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		/* Issue a multicast command to workaround a 557 lock up */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		e100_set_multicast_list(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	if (nic->flags & ich && speed == SPEED_10 && cmd.duplex == DUPLEX_HALF)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		/* Need SW workaround for ICH[x] 10Mbps/half duplex Tx hang. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		nic->flags |= ich_10h_workaround;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		nic->flags &= ~ich_10h_workaround;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	mod_timer(&nic->watchdog,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		  round_jiffies(jiffies + E100_WATCHDOG_PERIOD));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	struct sk_buff *skb)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	cb->command = nic->tx_command;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	/*
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	 * Use the last 4 bytes of the SKB payload packet as the CRC, used for
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	 * testing, ie sending frames with bad CRC.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	if (unlikely(skb->no_fcs))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		cb->command |= __constant_cpu_to_le16(cb_tx_nc);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		cb->command &= ~__constant_cpu_to_le16(cb_tx_nc);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	/* interrupt every 16 packets regardless of delay */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	if ((nic->cbs_avail & ~15) == nic->cbs_avail)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		cb->command |= cpu_to_le16(cb_i);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	cb->u.tcb.tbd_array = cb->dma_addr + offsetof(struct cb, u.tcb.tbd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	cb->u.tcb.tcb_byte_count = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	cb->u.tcb.threshold = nic->tx_threshold;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	cb->u.tcb.tbd_count = 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	cb->u.tcb.tbd.buf_addr = cpu_to_le32(pci_map_single(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		skb->data, skb->len, PCI_DMA_TODEVICE));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	/* check for mapping failure? */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	cb->u.tcb.tbd.size = cpu_to_le16(skb->len);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
static netdev_tx_t e100_xmit_frame(struct sk_buff *skb,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
				   struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	int err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	if (nic->flags & ich_10h_workaround) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		/* SW workaround for ICH[x] 10Mbps/half duplex Tx hang.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		   Issue a NOP command followed by a 1us delay before
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		   issuing the Tx command. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		if (e100_exec_cmd(nic, cuc_nop, 0))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
			netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
				     "exec cuc_nop failed\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		udelay(1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	err = e100_exec_cb(nic, skb, e100_xmit_prepare);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	switch (err) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	case -ENOSPC:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		/* We queued the skb, but now we're out of space. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
			     "No space for CB\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		netif_stop_queue(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	case -ENOMEM:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		/* This is a hard error - log it. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
			     "Out of Tx resources, returning skb\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		netif_stop_queue(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		return NETDEV_TX_BUSY;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	return NETDEV_TX_OK;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
static int e100_tx_clean(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	struct net_device *dev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	struct cb *cb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	int tx_cleaned = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	spin_lock(&nic->cb_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	/* Clean CBs marked complete */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	for (cb = nic->cb_to_clean;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	    cb->status & cpu_to_le16(cb_complete);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	    cb = nic->cb_to_clean = cb->next) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		rmb(); /* read skb after status */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		netif_printk(nic, tx_done, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
			     "cb[%d]->status = 0x%04X\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
			     (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
			     cb->status);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		if (likely(cb->skb != NULL)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
			dev->stats.tx_packets++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
			dev->stats.tx_bytes += cb->skb->len;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			pci_unmap_single(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
				le32_to_cpu(cb->u.tcb.tbd.buf_addr),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
				le16_to_cpu(cb->u.tcb.tbd.size),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
				PCI_DMA_TODEVICE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
			dev_kfree_skb_any(cb->skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			cb->skb = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
			tx_cleaned = 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		cb->status = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		nic->cbs_avail++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	spin_unlock(&nic->cb_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	/* Recover from running out of Tx resources in xmit_frame */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	if (unlikely(tx_cleaned && netif_queue_stopped(nic->netdev)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		netif_wake_queue(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	return tx_cleaned;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
static void e100_clean_cbs(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	if (nic->cbs) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		while (nic->cbs_avail != nic->params.cbs.count) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			struct cb *cb = nic->cb_to_clean;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			if (cb->skb) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
				pci_unmap_single(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
					le32_to_cpu(cb->u.tcb.tbd.buf_addr),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
					le16_to_cpu(cb->u.tcb.tbd.size),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
					PCI_DMA_TODEVICE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
				dev_kfree_skb(cb->skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			nic->cb_to_clean = nic->cb_to_clean->next;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			nic->cbs_avail++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		pci_pool_free(nic->cbs_pool, nic->cbs, nic->cbs_dma_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		nic->cbs = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		nic->cbs_avail = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	nic->cuc_cmd = cuc_start;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean =
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		nic->cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
static int e100_alloc_cbs(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	struct cb *cb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	unsigned int i, count = nic->params.cbs.count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	nic->cuc_cmd = cuc_start;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	nic->cbs_avail = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	nic->cbs = pci_pool_alloc(nic->cbs_pool, GFP_KERNEL,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
				  &nic->cbs_dma_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	if (!nic->cbs)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	memset(nic->cbs, 0, count * sizeof(struct cb));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	for (cb = nic->cbs, i = 0; i < count; cb++, i++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		cb->next = (i + 1 < count) ? cb + 1 : nic->cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		cb->dma_addr = nic->cbs_dma_addr + i * sizeof(struct cb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		cb->link = cpu_to_le32(nic->cbs_dma_addr +
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
			((i+1) % count) * sizeof(struct cb));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = nic->cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	nic->cbs_avail = count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
static inline void e100_start_receiver(struct nic *nic, struct rx *rx)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	if (!nic->rxs) return;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	if (RU_SUSPENDED != nic->ru_running) return;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	/* handle init time starts */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	if (!rx) rx = nic->rxs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	/* (Re)start RU if suspended or idle and RFA is non-NULL */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	if (rx->skb) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		e100_exec_cmd(nic, ruc_start, rx->dma_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
		nic->ru_running = RU_RUNNING;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
#define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	/* Init, and map the RFD. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	if (pci_dma_mapping_error(nic->pdev, rx->dma_addr)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		dev_kfree_skb_any(rx->skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		rx->skb = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		rx->dma_addr = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	/* Link the RFD to end of RFA by linking previous RFD to
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	 * this one.  We are safe to touch the previous RFD because
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	 * it is protected by the before last buffer's el bit being set */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	if (rx->prev->skb) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
		put_unaligned_le32(rx->dma_addr, &prev_rfd->link);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
static int e100_rx_indicate(struct nic *nic, struct rx *rx,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	unsigned int *work_done, unsigned int work_to_do)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	struct net_device *dev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	struct sk_buff *skb = rx->skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	struct rfd *rfd = (struct rfd *)skb->data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	u16 rfd_status, actual_size;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	u16 fcs_pad = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	if (unlikely(work_done && *work_done >= work_to_do))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		return -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	/* Need to sync before taking a peek at cb_complete bit */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	pci_dma_sync_single_for_cpu(nic->pdev, rx->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	rfd_status = le16_to_cpu(rfd->status);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	netif_printk(nic, rx_status, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		     "status=0x%04X\n", rfd_status);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	rmb(); /* read size after status bit */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	/* If data isn't ready, nothing to indicate */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	if (unlikely(!(rfd_status & cb_complete))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		/* If the next buffer has the el bit, but we think the receiver
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		 * is still running, check to see if it really stopped while
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		 * we had interrupts off.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		 * This allows for a fast restart without re-enabling
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		 * interrupts */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		if ((le16_to_cpu(rfd->command) & cb_el) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		    (RU_RUNNING == nic->ru_running))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			if (ioread8(&nic->csr->scb.status) & rus_no_res)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
				nic->ru_running = RU_SUSPENDED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
					       sizeof(struct rfd),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
					       PCI_DMA_FROMDEVICE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		return -ENODATA;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	/* Get actual data size */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	if (unlikely(dev->features & NETIF_F_RXFCS))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		fcs_pad = 4;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	actual_size = le16_to_cpu(rfd->actual_size) & 0x3FFF;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		actual_size = RFD_BUF_LEN - sizeof(struct rfd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	/* Get data */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	pci_unmap_single(nic->pdev, rx->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	/* If this buffer has the el bit, but we think the receiver
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	 * is still running, check to see if it really stopped while
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	 * we had interrupts off.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	 * This allows for a fast restart without re-enabling interrupts.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	 * This can happen when the RU sees the size change but also sees
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	 * the el bit set. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	if ((le16_to_cpu(rfd->command) & cb_el) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	    (RU_RUNNING == nic->ru_running)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	    if (ioread8(&nic->csr->scb.status) & rus_no_res)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		nic->ru_running = RU_SUSPENDED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	/* Pull off the RFD and put the actual data (minus eth hdr) */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	skb_reserve(skb, sizeof(struct rfd));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	skb_put(skb, actual_size);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	skb->protocol = eth_type_trans(skb, nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	/* If we are receiving all frames, then don't bother
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	 * checking for errors.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	if (unlikely(dev->features & NETIF_F_RXALL)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN + fcs_pad)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
			/* Received oversized frame, but keep it. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
			nic->rx_over_length_errors++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		goto process_skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	if (unlikely(!(rfd_status & cb_ok))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		/* Don't indicate if hardware indicates errors */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		dev_kfree_skb_any(skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	} else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN + fcs_pad) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		/* Don't indicate oversized frames */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		nic->rx_over_length_errors++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		dev_kfree_skb_any(skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
process_skb:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		dev->stats.rx_packets++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		dev->stats.rx_bytes += (actual_size - fcs_pad);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		netif_receive_skb(skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		if (work_done)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
			(*work_done)++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	rx->skb = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
static void e100_rx_clean(struct nic *nic, unsigned int *work_done,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	unsigned int work_to_do)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	struct rx *rx;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	int restart_required = 0, err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	struct rx *old_before_last_rx, *new_before_last_rx;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	struct rfd *old_before_last_rfd, *new_before_last_rfd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	/* Indicate newly arrived packets */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		err = e100_rx_indicate(nic, rx, work_done, work_to_do);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		/* Hit quota or no more to clean */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		if (-EAGAIN == err || -ENODATA == err)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
			break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	/* On EAGAIN, hit quota so have more work to do, restart once
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	 * cleanup is complete.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	 * Else, are we already rnr? then pay attention!!! this ensures that
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	 * the state machine progression never allows a start with a
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	 * partially cleaned list, avoiding a race between hardware
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	 * and rx_to_clean when in NAPI mode */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	if (-EAGAIN != err && RU_SUSPENDED == nic->ru_running)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		restart_required = 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	old_before_last_rx = nic->rx_to_use->prev->prev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	old_before_last_rfd = (struct rfd *)old_before_last_rx->skb->data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	/* Alloc new skbs to refill list */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
		if (unlikely(e100_rx_alloc_skb(nic, rx)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
			break; /* Better luck next time (see watchdog) */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	new_before_last_rx = nic->rx_to_use->prev->prev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	if (new_before_last_rx != old_before_last_rx) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		/* Set the el-bit on the buffer that is before the last buffer.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		 * This lets us update the next pointer on the last buffer
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		 * without worrying about hardware touching it.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		 * We set the size to 0 to prevent hardware from touching this
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
		 * buffer.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
		 * When the hardware hits the before last buffer with el-bit
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		 * and size of 0, it will RNR interrupt, the RUS will go into
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		 * the No Resources state.  It will not complete nor write to
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		 * this buffer. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
		new_before_last_rfd =
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
			(struct rfd *)new_before_last_rx->skb->data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		new_before_last_rfd->size = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		new_before_last_rfd->command |= cpu_to_le16(cb_el);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
		pci_dma_sync_single_for_device(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
			new_before_last_rx->dma_addr, sizeof(struct rfd),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
			PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		/* Now that we have a new stopping point, we can clear the old
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		 * stopping point.  We must sync twice to get the proper
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		 * ordering on the hardware side of things. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
		old_before_last_rfd->command &= ~cpu_to_le16(cb_el);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
		pci_dma_sync_single_for_device(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
			old_before_last_rx->dma_addr, sizeof(struct rfd),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
			PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		old_before_last_rfd->size = cpu_to_le16(VLAN_ETH_FRAME_LEN
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
							+ ETH_FCS_LEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
		pci_dma_sync_single_for_device(nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			old_before_last_rx->dma_addr, sizeof(struct rfd),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	if (restart_required) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		// ack the rnr?
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		e100_start_receiver(nic, nic->rx_to_clean);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		if (work_done)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
			(*work_done)++;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
static void e100_rx_clean_list(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	struct rx *rx;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	unsigned int i, count = nic->params.rfds.count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	nic->ru_running = RU_UNINITIALIZED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	if (nic->rxs) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
			if (rx->skb) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
				pci_unmap_single(nic->pdev, rx->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
					RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
				dev_kfree_skb(rx->skb);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
			}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		kfree(nic->rxs);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		nic->rxs = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	nic->rx_to_use = nic->rx_to_clean = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
static int e100_rx_alloc_list(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	struct rx *rx;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	unsigned int i, count = nic->params.rfds.count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	struct rfd *before_last;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	nic->rx_to_use = nic->rx_to_clean = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	nic->ru_running = RU_UNINITIALIZED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		rx->next = (i + 1 < count) ? rx + 1 : nic->rxs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
		if (e100_rx_alloc_skb(nic, rx)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
			e100_rx_clean_list(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	/* Set the el-bit on the buffer that is before the last buffer.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	 * This lets us update the next pointer on the last buffer without
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	 * worrying about hardware touching it.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	 * We set the size to 0 to prevent hardware from touching this buffer.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	 * When the hardware hits the before last buffer with el-bit and size
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	 * of 0, it will RNR interrupt, the RU will go into the No Resources
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	 * state.  It will not complete nor write to this buffer. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	rx = nic->rxs->prev->prev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	before_last = (struct rfd *)rx->skb->data;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	before_last->command |= cpu_to_le16(cb_el);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	before_last->size = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
		sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	nic->rx_to_use = nic->rx_to_clean = nic->rxs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	nic->ru_running = RU_SUSPENDED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
static irqreturn_t e100_intr(int irq, void *dev_id)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	struct net_device *netdev = dev_id;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	u8 stat_ack = ioread8(&nic->csr->scb.stat_ack);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	netif_printk(nic, intr, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		     "stat_ack = 0x%02X\n", stat_ack);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	if (stat_ack == stat_ack_not_ours ||	/* Not our interrupt */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	   stat_ack == stat_ack_not_present)	/* Hardware is ejected */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
		return IRQ_NONE;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	/* Ack interrupt(s) */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	iowrite8(stat_ack, &nic->csr->scb.stat_ack);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/* We hit Receive No Resource (RNR); restart RU after cleaning */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	if (stat_ack & stat_ack_rnr)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		nic->ru_running = RU_SUSPENDED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	if (likely(napi_schedule_prep(&nic->napi))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
		e100_disable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		__napi_schedule(&nic->napi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	return IRQ_HANDLED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
static int e100_poll(struct napi_struct *napi, int budget)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	struct nic *nic = container_of(napi, struct nic, napi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	unsigned int work_done = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	e100_rx_clean(nic, &work_done, budget);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	e100_tx_clean(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	/* If budget not fully consumed, exit the polling mode */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	if (work_done < budget) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
		napi_complete(napi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
		e100_enable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	return work_done;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
#ifdef CONFIG_NET_POLL_CONTROLLER
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
static void e100_netpoll(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	e100_disable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	e100_intr(nic->pdev->irq, netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	e100_tx_clean(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	e100_enable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
#endif
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
static int e100_set_mac_address(struct net_device *netdev, void *p)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	struct sockaddr *addr = p;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	if (!is_valid_ether_addr(addr->sa_data))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		return -EADDRNOTAVAIL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	e100_exec_cb(nic, NULL, e100_setup_iaaddr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
static int e100_change_mtu(struct net_device *netdev, int new_mtu)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	if (new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		return -EINVAL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	netdev->mtu = new_mtu;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
static int e100_asf(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	/* ASF can be enabled from eeprom */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	return (nic->pdev->device >= 0x1050) && (nic->pdev->device <= 0x1057) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	   (nic->eeprom[eeprom_config_asf] & eeprom_asf) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	   !(nic->eeprom[eeprom_config_asf] & eeprom_gcl) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	   ((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
static int e100_up(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	int err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	if ((err = e100_rx_alloc_list(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	if ((err = e100_alloc_cbs(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		goto err_rx_clean_list;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	if ((err = e100_hw_init(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		goto err_clean_cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	e100_set_multicast_list(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	e100_start_receiver(nic, NULL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	mod_timer(&nic->watchdog, jiffies);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	if ((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
		nic->netdev->name, nic->netdev)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
		goto err_no_irq;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	netif_wake_queue(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	napi_enable(&nic->napi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	/* enable ints _after_ enabling poll, preventing a race between
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	 * disable ints+schedule */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	e100_enable_irq(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
err_no_irq:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	del_timer_sync(&nic->watchdog);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
err_clean_cbs:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	e100_clean_cbs(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
err_rx_clean_list:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	e100_rx_clean_list(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
static void e100_down(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	/* wait here for poll to complete */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	napi_disable(&nic->napi);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	netif_stop_queue(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	e100_hw_reset(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	free_irq(nic->pdev->irq, nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	del_timer_sync(&nic->watchdog);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	netif_carrier_off(nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	e100_clean_cbs(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	e100_rx_clean_list(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
static void e100_tx_timeout(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	/* Reset outside of interrupt context, to avoid request_irq
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	 * in interrupt context */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	schedule_work(&nic->tx_timeout_task);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
static void e100_tx_timeout_task(struct work_struct *work)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	struct nic *nic = container_of(work, struct nic, tx_timeout_task);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	struct net_device *netdev = nic->netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		     "scb.status=0x%02X\n", ioread8(&nic->csr->scb.status));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	rtnl_lock();
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	if (netif_running(netdev)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		e100_down(netdev_priv(netdev));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		e100_up(netdev_priv(netdev));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	rtnl_unlock();
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	int err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	struct sk_buff *skb;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	/* Use driver resources to perform internal MAC or PHY
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	 * loopback test.  A single packet is prepared and transmitted
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	 * in loopback mode, and the test passes if the received
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	 * packet compares byte-for-byte to the transmitted packet. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	if ((err = e100_rx_alloc_list(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	if ((err = e100_alloc_cbs(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		goto err_clean_rx;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	/* ICH PHY loopback is broken so do MAC loopback instead */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	if (nic->flags & ich && loopback_mode == lb_phy)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		loopback_mode = lb_mac;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	nic->loopback = loopback_mode;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	if ((err = e100_hw_init(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		goto err_loopback_none;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	if (loopback_mode == lb_phy)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
		mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			BMCR_LOOPBACK);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	e100_start_receiver(nic, NULL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	if (!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		err = -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		goto err_loopback_none;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	skb_put(skb, ETH_DATA_LEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	memset(skb->data, 0xFF, ETH_DATA_LEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	e100_xmit_frame(skb, nic->netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	msleep(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	if (memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	   skb->data, ETH_DATA_LEN))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		err = -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
err_loopback_none:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	nic->loopback = lb_none;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	e100_clean_cbs(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	e100_hw_reset(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
err_clean_rx:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	e100_rx_clean_list(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
#define MII_LED_CONTROL	0x1B
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
#define E100_82552_LED_OVERRIDE 0x19
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
#define E100_82552_LED_ON       0x000F /* LEDTX and LED_RX both on */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
#define E100_82552_LED_OFF      0x000A /* LEDTX and LED_RX both off */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
static int e100_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	return mii_ethtool_gset(&nic->mii, cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
static int e100_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	int err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	mdio_write(netdev, nic->mii.phy_id, MII_BMCR, BMCR_RESET);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	err = mii_ethtool_sset(&nic->mii, cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	e100_exec_cb(nic, NULL, e100_configure);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
static void e100_get_drvinfo(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	struct ethtool_drvinfo *info)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	strlcpy(info->bus_info, pci_name(nic->pdev),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		sizeof(info->bus_info));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
#define E100_PHY_REGS 0x1C
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
static int e100_get_regs_len(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
static void e100_get_regs(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	struct ethtool_regs *regs, void *p)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	u32 *buff = p;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	int i;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	regs->version = (1 << 24) | nic->pdev->revision;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		ioread8(&nic->csr->scb.cmd_lo) << 16 |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		ioread16(&nic->csr->scb.status);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	for (i = E100_PHY_REGS; i >= 0; i--)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		buff[1 + E100_PHY_REGS - i] =
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			mdio_read(netdev, nic->mii.phy_id, i);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	e100_exec_cb(nic, NULL, e100_dump);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	msleep(10);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		sizeof(nic->mem->dump_buf));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	wol->supported = (nic->mac >= mac_82558_D101_A4) ?  WAKE_MAGIC : 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	wol->wolopts = (nic->flags & wol_magic) ? WAKE_MAGIC : 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	if ((wol->wolopts && wol->wolopts != WAKE_MAGIC) ||
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	    !device_can_wakeup(&nic->pdev->dev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		return -EOPNOTSUPP;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	if (wol->wolopts)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		nic->flags |= wol_magic;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		nic->flags &= ~wol_magic;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	device_set_wakeup_enable(&nic->pdev->dev, wol->wolopts);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	e100_exec_cb(nic, NULL, e100_configure);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
static u32 e100_get_msglevel(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	return nic->msg_enable;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
static void e100_set_msglevel(struct net_device *netdev, u32 value)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	nic->msg_enable = value;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
static int e100_nway_reset(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	return mii_nway_restart(&nic->mii);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
static u32 e100_get_link(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	return mii_link_ok(&nic->mii);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
static int e100_get_eeprom_len(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	return nic->eeprom_wc << 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
#define E100_EEPROM_MAGIC	0x1234
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
static int e100_get_eeprom(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	struct ethtool_eeprom *eeprom, u8 *bytes)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	eeprom->magic = E100_EEPROM_MAGIC;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	memcpy(bytes, &((u8 *)nic->eeprom)[eeprom->offset], eeprom->len);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
static int e100_set_eeprom(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	struct ethtool_eeprom *eeprom, u8 *bytes)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	if (eeprom->magic != E100_EEPROM_MAGIC)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		return -EINVAL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	memcpy(&((u8 *)nic->eeprom)[eeprom->offset], bytes, eeprom->len);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	return e100_eeprom_save(nic, eeprom->offset >> 1,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		(eeprom->len >> 1) + 1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
static void e100_get_ringparam(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	struct ethtool_ringparam *ring)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	struct param_range *rfds = &nic->params.rfds;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	struct param_range *cbs = &nic->params.cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	ring->rx_max_pending = rfds->max;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	ring->tx_max_pending = cbs->max;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	ring->rx_pending = rfds->count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	ring->tx_pending = cbs->count;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
static int e100_set_ringparam(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	struct ethtool_ringparam *ring)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	struct param_range *rfds = &nic->params.rfds;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	struct param_range *cbs = &nic->params.cbs;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		return -EINVAL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		e100_down(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	rfds->count = max(ring->rx_pending, rfds->min);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	rfds->count = min(rfds->count, rfds->max);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	cbs->count = max(ring->tx_pending, cbs->min);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	cbs->count = min(cbs->count, cbs->max);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	netif_info(nic, drv, nic->netdev, "Ring Param settings: rx: %d, tx %d\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		   rfds->count, cbs->count);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		e100_up(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
static const char e100_gstrings_test[][ETH_GSTRING_LEN] = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	"Link test     (on/offline)",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	"Eeprom test   (on/offline)",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	"Self test        (offline)",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	"Mac loopback     (offline)",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	"Phy loopback     (offline)",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
#define E100_TEST_LEN	ARRAY_SIZE(e100_gstrings_test)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
static void e100_diag_test(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	struct ethtool_test *test, u64 *data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	struct ethtool_cmd cmd;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	int i, err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	memset(data, 0, E100_TEST_LEN * sizeof(u64));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	data[0] = !mii_link_ok(&nic->mii);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	data[1] = e100_eeprom_load(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	if (test->flags & ETH_TEST_FL_OFFLINE) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		/* save speed, duplex & autoneg settings */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		err = mii_ethtool_gset(&nic->mii, &cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
			e100_down(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		data[2] = e100_self_test(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		data[3] = e100_loopback_test(nic, lb_mac);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		data[4] = e100_loopback_test(nic, lb_phy);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		/* restore speed, duplex & autoneg settings */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
		err = mii_ethtool_sset(&nic->mii, &cmd);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			e100_up(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	for (i = 0; i < E100_TEST_LEN; i++)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		test->flags |= data[i] ? ETH_TEST_FL_FAILED : 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	msleep_interruptible(4 * 1000);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
static int e100_set_phys_id(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
			    enum ethtool_phys_id_state state)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	enum led_state {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		led_on     = 0x01,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		led_off    = 0x04,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		led_on_559 = 0x05,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		led_on_557 = 0x07,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	u16 led_reg = (nic->phy == phy_82552_v) ? E100_82552_LED_OVERRIDE :
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
		MII_LED_CONTROL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	u16 leds = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	switch (state) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	case ETHTOOL_ID_ACTIVE:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		return 2;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	case ETHTOOL_ID_ON:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		leds = (nic->phy == phy_82552_v) ? E100_82552_LED_ON :
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		       (nic->mac < mac_82559_D101M) ? led_on_557 : led_on_559;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	case ETHTOOL_ID_OFF:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		leds = (nic->phy == phy_82552_v) ? E100_82552_LED_OFF : led_off;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	case ETHTOOL_ID_INACTIVE:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	mdio_write(netdev, nic->mii.phy_id, led_reg, leds);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
static const char e100_gstrings_stats[][ETH_GSTRING_LEN] = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	"tx_heartbeat_errors", "tx_window_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	/* device-specific stats */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	"tx_deferred", "tx_single_collisions", "tx_multi_collisions",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	"tx_flow_control_pause", "rx_flow_control_pause",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	"rx_flow_control_unsupported", "tx_tco_packets", "rx_tco_packets",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	"rx_short_frame_errors", "rx_over_length_errors",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
#define E100_NET_STATS_LEN	21
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
#define E100_STATS_LEN	ARRAY_SIZE(e100_gstrings_stats)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
static int e100_get_sset_count(struct net_device *netdev, int sset)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	switch (sset) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	case ETH_SS_TEST:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		return E100_TEST_LEN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	case ETH_SS_STATS:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		return E100_STATS_LEN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	default:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		return -EOPNOTSUPP;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
static void e100_get_ethtool_stats(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	struct ethtool_stats *stats, u64 *data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	int i;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	for (i = 0; i < E100_NET_STATS_LEN; i++)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		data[i] = ((unsigned long *)&netdev->stats)[i];
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	data[i++] = nic->tx_deferred;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	data[i++] = nic->tx_single_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	data[i++] = nic->tx_multiple_collisions;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	data[i++] = nic->tx_fc_pause;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	data[i++] = nic->rx_fc_pause;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	data[i++] = nic->rx_fc_unsupported;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	data[i++] = nic->tx_tco_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	data[i++] = nic->rx_tco_frames;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	data[i++] = nic->rx_short_frame_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	data[i++] = nic->rx_over_length_errors;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
static void e100_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	switch (stringset) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	case ETH_SS_TEST:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		memcpy(data, *e100_gstrings_test, sizeof(e100_gstrings_test));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	case ETH_SS_STATS:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		memcpy(data, *e100_gstrings_stats, sizeof(e100_gstrings_stats));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		break;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
static const struct ethtool_ops e100_ethtool_ops = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	.get_settings		= e100_get_settings,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	.set_settings		= e100_set_settings,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	.get_drvinfo		= e100_get_drvinfo,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	.get_regs_len		= e100_get_regs_len,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	.get_regs		= e100_get_regs,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	.get_wol		= e100_get_wol,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	.set_wol		= e100_set_wol,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	.get_msglevel		= e100_get_msglevel,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	.set_msglevel		= e100_set_msglevel,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
	.nway_reset		= e100_nway_reset,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	.get_link		= e100_get_link,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	.get_eeprom_len		= e100_get_eeprom_len,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	.get_eeprom		= e100_get_eeprom,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	.set_eeprom		= e100_set_eeprom,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	.get_ringparam		= e100_get_ringparam,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	.set_ringparam		= e100_set_ringparam,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	.self_test		= e100_diag_test,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	.get_strings		= e100_get_strings,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	.set_phys_id		= e100_set_phys_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	.get_ethtool_stats	= e100_get_ethtool_stats,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	.get_sset_count		= e100_get_sset_count,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
static int e100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	return generic_mii_ioctl(&nic->mii, if_mii(ifr), cmd, NULL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
static int e100_alloc(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	nic->mem = pci_alloc_consistent(nic->pdev, sizeof(struct mem),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		&nic->dma_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	return nic->mem ? 0 : -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
static void e100_free(struct nic *nic)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	if (nic->mem) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		pci_free_consistent(nic->pdev, sizeof(struct mem),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
			nic->mem, nic->dma_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		nic->mem = NULL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
static int e100_open(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	int err = 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	netif_carrier_off(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	if ((err = e100_up(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		netif_err(nic, ifup, nic->netdev, "Cannot open interface, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
static int e100_close(struct net_device *netdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	e100_down(netdev_priv(netdev));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
static int e100_set_features(struct net_device *netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
			     netdev_features_t features)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	netdev_features_t changed = features ^ netdev->features;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	if (!(changed & (NETIF_F_RXFCS | NETIF_F_RXALL)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	netdev->features = features;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	e100_exec_cb(nic, NULL, e100_configure);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
static const struct net_device_ops e100_netdev_ops = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	.ndo_open		= e100_open,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	.ndo_stop		= e100_close,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	.ndo_start_xmit		= e100_xmit_frame,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	.ndo_validate_addr	= eth_validate_addr,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	.ndo_set_rx_mode	= e100_set_multicast_list,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	.ndo_set_mac_address	= e100_set_mac_address,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	.ndo_change_mtu		= e100_change_mtu,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	.ndo_do_ioctl		= e100_do_ioctl,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	.ndo_tx_timeout		= e100_tx_timeout,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
#ifdef CONFIG_NET_POLL_CONTROLLER
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	.ndo_poll_controller	= e100_netpoll,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
#endif
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	.ndo_set_features	= e100_set_features,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
static int __devinit e100_probe(struct pci_dev *pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	const struct pci_device_id *ent)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	struct net_device *netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	struct nic *nic;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	int err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	if (!(netdev = alloc_etherdev(sizeof(struct nic))))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		return -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	netdev->hw_features |= NETIF_F_RXFCS;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	netdev->priv_flags |= IFF_SUPP_NOFCS;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	netdev->hw_features |= NETIF_F_RXALL;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	netdev->netdev_ops = &e100_netdev_ops;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	SET_ETHTOOL_OPS(netdev, &e100_ethtool_ops);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	netdev->watchdog_timeo = E100_WATCHDOG_PERIOD;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	netif_napi_add(netdev, &nic->napi, e100_poll, E100_NAPI_WEIGHT);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	nic->netdev = netdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	nic->pdev = pdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	nic->msg_enable = (1 << debug) - 1;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	nic->mdio_ctrl = mdio_ctrl_hw;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	pci_set_drvdata(pdev, netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	if ((err = pci_enable_device(pdev))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		netif_err(nic, probe, nic->netdev, "Cannot enable PCI device, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		goto err_out_free_dev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		netif_err(nic, probe, nic->netdev, "Cannot find proper PCI device base address, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		err = -ENODEV;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		goto err_out_disable_pdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	if ((err = pci_request_regions(pdev, DRV_NAME))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		netif_err(nic, probe, nic->netdev, "Cannot obtain PCI resources, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		goto err_out_disable_pdev;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		netif_err(nic, probe, nic->netdev, "No usable DMA configuration, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		goto err_out_free_res;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	SET_NETDEV_DEV(netdev, &pdev->dev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	if (use_io)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		netif_info(nic, probe, nic->netdev, "using i/o access mode\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	nic->csr = pci_iomap(pdev, (use_io ? 1 : 0), sizeof(struct csr));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	if (!nic->csr) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		netif_err(nic, probe, nic->netdev, "Cannot map device registers, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		err = -ENOMEM;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		goto err_out_free_res;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	if (ent->driver_data)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		nic->flags |= ich;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	else
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		nic->flags &= ~ich;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	e100_get_defaults(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	/* D100 MAC doesn't allow rx of vlan packets with normal MTU */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	if (nic->mac < mac_82558_D101_A4)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		netdev->features |= NETIF_F_VLAN_CHALLENGED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	/* locks must be initialized before calling hw_reset */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	spin_lock_init(&nic->cb_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	spin_lock_init(&nic->cmd_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	spin_lock_init(&nic->mdio_lock);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	/* Reset the device before pci_set_master() in case device is in some
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	 * funky state and has an interrupt pending - hint: we don't have the
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	 * interrupt handler registered yet. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	e100_hw_reset(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	pci_set_master(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	init_timer(&nic->watchdog);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	nic->watchdog.function = e100_watchdog;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	nic->watchdog.data = (unsigned long)nic;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	if ((err = e100_alloc(nic))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		netif_err(nic, probe, nic->netdev, "Cannot alloc driver memory, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		goto err_out_iounmap;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	if ((err = e100_eeprom_load(nic)))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		goto err_out_free;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	e100_phy_init(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	memcpy(netdev->dev_addr, nic->eeprom, ETH_ALEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	memcpy(netdev->perm_addr, nic->eeprom, ETH_ALEN);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	if (!is_valid_ether_addr(netdev->perm_addr)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		if (!eeprom_bad_csum_allow) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
			netif_err(nic, probe, nic->netdev, "Invalid MAC address from EEPROM, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			err = -EAGAIN;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
			goto err_out_free;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			netif_err(nic, probe, nic->netdev, "Invalid MAC address from EEPROM, you MUST configure one.\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	/* Wol magic packet can be enabled from eeprom */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	if ((nic->mac >= mac_82558_D101_A4) &&
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	   (nic->eeprom[eeprom_id] & eeprom_id_wol)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		nic->flags |= wol_magic;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		device_set_wakeup_enable(&pdev->dev, true);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	/* ack any pending wake events, disable PME */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	pci_pme_active(pdev, false);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	strcpy(netdev->name, "eth%d");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	if ((err = register_netdev(netdev))) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		netif_err(nic, probe, nic->netdev, "Cannot register net device, aborting\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		goto err_out_free;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	nic->cbs_pool = pci_pool_create(netdev->name,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
			   nic->pdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			   nic->params.cbs.max * sizeof(struct cb),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
			   sizeof(u32),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
			   0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	netif_info(nic, probe, nic->netdev,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		   "addr 0x%llx, irq %d, MAC addr %pM\n",
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		   (unsigned long long)pci_resource_start(pdev, use_io ? 1 : 0),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		   pdev->irq, netdev->dev_addr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
err_out_free:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	e100_free(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
err_out_iounmap:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	pci_iounmap(pdev, nic->csr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
err_out_free_res:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	pci_release_regions(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
err_out_disable_pdev:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	pci_disable_device(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
err_out_free_dev:
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	pci_set_drvdata(pdev, NULL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	free_netdev(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	return err;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
static void __devexit e100_remove(struct pci_dev *pdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	if (netdev) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		unregister_netdev(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		e100_free(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		pci_iounmap(pdev, nic->csr);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		pci_pool_destroy(nic->cbs_pool);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		free_netdev(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		pci_release_regions(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		pci_disable_device(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		pci_set_drvdata(pdev, NULL);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
#define E100_82552_SMARTSPEED   0x14   /* SmartSpeed Ctrl register */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
#define E100_82552_REV_ANEG     0x0200 /* Reverse auto-negotiation */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
#define E100_82552_ANEG_NOW     0x0400 /* Auto-negotiate now */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		e100_down(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	netif_device_detach(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	pci_save_state(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	if ((nic->flags & wol_magic) | e100_asf(nic)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		/* enable reverse auto-negotiation */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
		if (nic->phy == phy_82552_v) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			u16 smartspeed = mdio_read(netdev, nic->mii.phy_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
			                           E100_82552_SMARTSPEED);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
			mdio_write(netdev, nic->mii.phy_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			           E100_82552_SMARTSPEED, smartspeed |
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			           E100_82552_REV_ANEG | E100_82552_ANEG_NOW);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		*enable_wake = true;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	} else {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		*enable_wake = false;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	pci_disable_device(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
static int __e100_power_off(struct pci_dev *pdev, bool wake)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	if (wake)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		return pci_prepare_to_sleep(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	pci_wake_from_d3(pdev, false);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	pci_set_power_state(pdev, PCI_D3hot);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
#ifdef CONFIG_PM
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	bool wake;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	__e100_shutdown(pdev, &wake);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	return __e100_power_off(pdev, wake);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
static int e100_resume(struct pci_dev *pdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	pci_set_power_state(pdev, PCI_D0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	pci_restore_state(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	/* ack any pending wake events, disable PME */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	pci_enable_wake(pdev, 0, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	/* disable reverse auto-negotiation */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	if (nic->phy == phy_82552_v) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		u16 smartspeed = mdio_read(netdev, nic->mii.phy_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		                           E100_82552_SMARTSPEED);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		mdio_write(netdev, nic->mii.phy_id,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		           E100_82552_SMARTSPEED,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		           smartspeed & ~(E100_82552_REV_ANEG));
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	netif_device_attach(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		e100_up(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	return 0;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
#endif /* CONFIG_PM */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
static void e100_shutdown(struct pci_dev *pdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	bool wake;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	__e100_shutdown(pdev, &wake);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	if (system_state == SYSTEM_POWER_OFF)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		__e100_power_off(pdev, wake);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
/* ------------------ PCI Error Recovery infrastructure  -------------- */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
/**
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
 * e100_io_error_detected - called when PCI error is detected.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
 * @pdev: Pointer to PCI device
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
 * @state: The current pci connection state
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	netif_device_detach(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	if (state == pci_channel_io_perm_failure)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		return PCI_ERS_RESULT_DISCONNECT;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	if (netif_running(netdev))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		e100_down(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	pci_disable_device(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	/* Request a slot reset. */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	return PCI_ERS_RESULT_NEED_RESET;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
/**
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 * e100_io_slot_reset - called after the pci bus has been reset.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 * @pdev: Pointer to PCI device
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
 *
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
 * Restart the card from scratch.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
static pci_ers_result_t e100_io_slot_reset(struct pci_dev *pdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	if (pci_enable_device(pdev)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		pr_err("Cannot re-enable PCI device after reset\n");
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		return PCI_ERS_RESULT_DISCONNECT;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	pci_set_master(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	/* Only one device per card can do a reset */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	if (0 != PCI_FUNC(pdev->devfn))
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		return PCI_ERS_RESULT_RECOVERED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	e100_hw_reset(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	e100_phy_init(nic);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	return PCI_ERS_RESULT_RECOVERED;
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
/**
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
 * e100_io_resume - resume normal operations
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
 * @pdev: Pointer to PCI device
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
 *
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
 * Resume normal operations after an error recovery
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
 * sequence has been completed.
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
 */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
static void e100_io_resume(struct pci_dev *pdev)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	struct net_device *netdev = pci_get_drvdata(pdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	struct nic *nic = netdev_priv(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	/* ack any pending wake events, disable PME */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	pci_enable_wake(pdev, 0, 0);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	netif_device_attach(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	if (netif_running(netdev)) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		e100_open(netdev);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
		mod_timer(&nic->watchdog, jiffies);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
static struct pci_error_handlers e100_err_handler = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	.error_detected = e100_io_error_detected,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	.slot_reset = e100_io_slot_reset,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	.resume = e100_io_resume,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
static struct pci_driver e100_driver = {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	.name =         DRV_NAME,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	.id_table =     e100_id_table,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	.probe =        e100_probe,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	.remove =       __devexit_p(e100_remove),
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
#ifdef CONFIG_PM
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	/* Power Management hooks */
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	.suspend =      e100_suspend,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	.resume =       e100_resume,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
#endif
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	.shutdown =     e100_shutdown,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	.err_handler = &e100_err_handler,
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
};
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
static int __init e100_init_module(void)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	if (((1 << debug) - 1) & NETIF_MSG_DRV) {
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		pr_info("%s\n", DRV_COPYRIGHT);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	return pci_register_driver(&e100_driver);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
static void __exit e100_cleanup_module(void)
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
{
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	pci_unregister_driver(&e100_driver);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
}
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
module_init(e100_init_module);
fcd918d2122f Added e100 driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
module_exit(e100_cleanup_module);