devices/e1000e/manage-3.4-ethercat.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Wed, 12 Sep 2018 21:22:46 +0200
branchstable-1.5
changeset 2708 742c70a97622
parent 2491 5e9221a78855
permissions -rw-r--r--
Fix C/C++ linking problem in tool/ethercat
2491
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/*******************************************************************************
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2012 Intel Corporation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
  This program is free software; you can redistribute it and/or modify it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
  under the terms and conditions of the GNU General Public License,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
  This program is distributed in the hope it will be useful, but WITHOUT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
  more details.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
  You should have received a copy of the GNU General Public License along with
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
  this program; if not, write to the Free Software Foundation, Inc.,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
  The full GNU General Public License is included in this distribution in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
  the file called "COPYING".
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
  Contact Information:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
*******************************************************************************/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
#include "e1000-3.4-ethercat.h"
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
enum e1000_mng_mode {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
	e1000_mng_mode_none = 0,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
	e1000_mng_mode_asf,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
	e1000_mng_mode_pt,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
	e1000_mng_mode_ipmi,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    36
	e1000_mng_mode_host_if_only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
#define E1000_FACTPS_MNGCG		0x20000000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
/* Intel(R) Active Management Technology signature */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
#define E1000_IAMT_SIGNATURE		0x544D4149
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    45
 *  e1000_calculate_checksum - Calculate checksum for buffer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    46
 *  @buffer: pointer to EEPROM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    47
 *  @length: size of EEPROM to calculate a checksum for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    48
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    49
 *  Calculates the checksum for some buffer on a specified length.  The
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    50
 *  checksum calculated is returned.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    51
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    52
static u8 e1000_calculate_checksum(u8 *buffer, u32 length)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
	u32 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    55
	u8 sum = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
	if (!buffer)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
	for (i = 0; i < length; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
		sum += buffer[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
	return (u8)(0 - sum);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
 *  e1000_mng_enable_host_if - Checks host interface is enabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
 *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    72
 *  This function checks whether the HOST IF is enabled for command operation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
 *  and also checks whether the previous command is completed.  It busy waits
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    74
 *  in case of previous command is not completed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    75
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    76
static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
	u32 hicr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
	u8 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    80
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
	if (!hw->mac.arc_subsystem_valid) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
		e_dbg("ARC subsystem not valid.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
	/* Check that the host interface is enabled. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
	hicr = er32(HICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
	if ((hicr & E1000_HICR_EN) == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    89
		e_dbg("E1000_HOST_EN bit disabled.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
	/* check the previous command is completed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    93
	for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
		hicr = er32(HICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    95
		if (!(hicr & E1000_HICR_C))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    96
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    97
		mdelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
	if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   101
		e_dbg("Previous command timeout failed .\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   102
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   103
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   104
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   105
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   106
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   107
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   108
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   109
 *  e1000e_check_mng_mode_generic - Generic check management mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   110
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   111
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   112
 *  Reads the firmware semaphore register and returns true (>0) if
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   113
 *  manageability is enabled, else false (0).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
bool e1000e_check_mng_mode_generic(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   116
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   117
	u32 fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   118
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   119
	return (fwsm & E1000_FWSM_MODE_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   120
	    (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   121
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   122
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   123
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   124
 *  e1000e_enable_tx_pkt_filtering - Enable packet filtering on Tx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   125
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   126
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   127
 *  Enables packet filtering on transmit packets if manageability is enabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   128
 *  and host interface is enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   129
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   130
bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   131
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   132
	struct e1000_host_mng_dhcp_cookie *hdr = &hw->mng_cookie;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   133
	u32 *buffer = (u32 *)&hw->mng_cookie;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   134
	u32 offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   135
	s32 ret_val, hdr_csum, csum;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   136
	u8 i, len;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   137
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
	hw->mac.tx_pkt_filtering = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   139
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   140
	/* No manageability, no filtering */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   141
	if (!hw->mac.ops.check_mng_mode(hw)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   142
		hw->mac.tx_pkt_filtering = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   143
		return hw->mac.tx_pkt_filtering;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   144
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   145
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   146
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
	 * If we can't read from the host interface for whatever
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
	 * reason, disable filtering.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   149
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   150
	ret_val = e1000_mng_enable_host_if(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   151
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   152
		hw->mac.tx_pkt_filtering = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
		return hw->mac.tx_pkt_filtering;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   155
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
	/* Read in the header.  Length and offset are in dwords. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
	len = E1000_MNG_DHCP_COOKIE_LENGTH >> 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
	offset = E1000_MNG_DHCP_COOKIE_OFFSET >> 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
	for (i = 0; i < len; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
		*(buffer + i) = E1000_READ_REG_ARRAY(hw, E1000_HOST_IF,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
						     offset + i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
	hdr_csum = hdr->checksum;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
	hdr->checksum = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
	csum = e1000_calculate_checksum((u8 *)hdr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
					E1000_MNG_DHCP_COOKIE_LENGTH);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
	 * If either the checksums or signature don't match, then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
	 * the cookie area isn't considered valid, in which case we
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
	 * take the safe route of assuming Tx filtering is enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
	if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
		hw->mac.tx_pkt_filtering = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
		return hw->mac.tx_pkt_filtering;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
	/* Cookie area is valid, make the final check for filtering. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
	if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
		hw->mac.tx_pkt_filtering = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
	return hw->mac.tx_pkt_filtering;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
 *  e1000_mng_write_cmd_header - Writes manageability command header
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
 *  @hdr: pointer to the host interface command header
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
 *  Writes the command header after does the checksum calculation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
static s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
				      struct e1000_host_mng_command_header *hdr)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	u16 i, length = sizeof(struct e1000_host_mng_command_header);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	/* Write the whole command header structure with new checksum. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	hdr->checksum = e1000_calculate_checksum((u8 *)hdr, length);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
	length >>= 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
	/* Write the relevant command block into the ram area. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
	for (i = 0; i < length; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, i, *((u32 *)hdr + i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
		e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
 *  e1000_mng_host_if_write - Write to the manageability host interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
 *  @buffer: pointer to the host interface buffer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
 *  @length: size of the buffer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
 *  @offset: location in the buffer to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
 *  @sum: sum of the data (not checksum)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
 *  This function writes the buffer content at the offset given on the host if.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
 *  It also does alignment considerations to do the writes in most efficient
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
 *  way.  Also fills up the sum of the buffer in *buffer parameter.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
static s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
				   u16 length, u16 offset, u8 *sum)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	u8 *tmp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	u8 *bufptr = buffer;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	u32 data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	u16 remaining, i, j, prev_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	/* sum = only sum of the data and it is not checksum */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
		return -E1000_ERR_PARAM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	tmp = (u8 *)&data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	prev_bytes = offset & 0x3;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	offset >>= 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	if (prev_bytes) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
		data = E1000_READ_REG_ARRAY(hw, E1000_HOST_IF, offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
		for (j = prev_bytes; j < sizeof(u32); j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
			*(tmp + j) = *bufptr++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
			*sum += *(tmp + j);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
		length -= j - prev_bytes;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
		offset++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	remaining = length & 0x3;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	length -= remaining;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	/* Calculate length in DWORDs */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	length >>= 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 * The device driver writes the relevant command block into the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 * ram area.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	for (i = 0; i < length; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
		for (j = 0; j < sizeof(u32); j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			*(tmp + j) = *bufptr++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
			*sum += *(tmp + j);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset + i, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	if (remaining) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		for (j = 0; j < sizeof(u32); j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
			if (j < remaining)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
				*(tmp + j) = *bufptr++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
				*(tmp + j) = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
			*sum += *(tmp + j);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset + i, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
 *  e1000e_mng_write_dhcp_info - Writes DHCP info to host interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
 *  @buffer: pointer to the host interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
 *  @length: size of the buffer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
 *  Writes the DHCP information to the host interface.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	struct e1000_host_mng_command_header hdr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	u32 hicr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	hdr.command_length = length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	hdr.reserved1 = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	hdr.reserved2 = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	hdr.checksum = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	/* Enable the host interface */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	ret_val = e1000_mng_enable_host_if(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	/* Populate the host interface with the contents of "buffer". */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	ret_val = e1000_mng_host_if_write(hw, buffer, length,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
					  sizeof(hdr), &(hdr.checksum));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	/* Write the manageability command header */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	ret_val = e1000_mng_write_cmd_header(hw, &hdr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	/* Tell the ARC a new command is pending. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	hicr = er32(HICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	ew32(HICR, hicr | E1000_HICR_C);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
 *  e1000e_enable_mng_pass_thru - Check if management passthrough is needed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
 *  Verifies the hardware needs to leave interface enabled so that frames can
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
 *  be directed to and from the management interface.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
	u32 manc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	u32 fwsm, factps;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	manc = er32(MANC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	if (!(manc & E1000_MANC_RCV_TCO_EN))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		return false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	if (hw->mac.has_fwsm) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		factps = er32(FACTPS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		if (!(factps & E1000_FACTPS_MNGCG) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		    ((fwsm & E1000_FWSM_MODE_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			return true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	} else if ((hw->mac.type == e1000_82574) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		   (hw->mac.type == e1000_82583)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		factps = er32(FACTPS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
		if (!(factps & E1000_FACTPS_MNGCG) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		    ((data & E1000_NVM_INIT_CTRL2_MNGM) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		     (e1000_mng_mode_pt << 13)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			return true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	} else if ((manc & E1000_MANC_SMBUS_EN) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
		   !(manc & E1000_MANC_ASF_EN)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
		return true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	return false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
}