diff -r 1a7067207637 -r 7bc131b92039 devices/e1000/e1000-2.6.18-ethercat.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/e1000/e1000-2.6.18-ethercat.h Fri Aug 10 15:27:08 2007 +0000 @@ -0,0 +1,379 @@ +/******************************************************************************* + + + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + Linux NICS + e1000-devel Mailing List + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + + +/* Linux PRO/1000 Ethernet Driver main header file */ + +#ifndef _E1000_H_ +#define _E1000_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef NETIF_F_TSO +#include +#endif +#include +#include +#include + +#include "../ecdev.h" + +#define BAR_0 0 +#define BAR_1 1 +#define BAR_5 5 + +#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} + +struct e1000_adapter; + +#include "e1000_hw-2.6.18-ethercat.h" + +#ifdef DBG +#define E1000_DBG(args...) printk(KERN_DEBUG "ec_e1000: " args) +#else +#define E1000_DBG(args...) +#endif + +#define E1000_ERR(args...) printk(KERN_ERR "ec_e1000: " args) + +#define PFX "ec_e1000: " +#define DPRINTK(nlevel, klevel, fmt, args...) \ + (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ + printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ + __FUNCTION__ , ## args)) + +#define E1000_MAX_INTR 10 + +/* TX/RX descriptor defines */ +#define E1000_DEFAULT_TXD 256 +#define E1000_MAX_TXD 256 +#define E1000_MIN_TXD 80 +#define E1000_MAX_82544_TXD 4096 + +#define E1000_DEFAULT_RXD 256 +#define E1000_MAX_RXD 256 +#define E1000_MIN_RXD 80 +#define E1000_MAX_82544_RXD 4096 + +/* this is the size past which hardware will drop packets when setting LPE=0 */ +#define MAXIMUM_ETHERNET_VLAN_SIZE 1522 + +/* Supported Rx Buffer Sizes */ +#define E1000_RXBUFFER_128 128 /* Used for packet split */ +#define E1000_RXBUFFER_256 256 /* Used for packet split */ +#define E1000_RXBUFFER_512 512 +#define E1000_RXBUFFER_1024 1024 +#define E1000_RXBUFFER_2048 2048 +#define E1000_RXBUFFER_4096 4096 +#define E1000_RXBUFFER_8192 8192 +#define E1000_RXBUFFER_16384 16384 + +/* SmartSpeed delimiters */ +#define E1000_SMARTSPEED_DOWNSHIFT 3 +#define E1000_SMARTSPEED_MAX 15 + +/* Packet Buffer allocations */ +#define E1000_PBA_BYTES_SHIFT 0xA +#define E1000_TX_HEAD_ADDR_SHIFT 7 +#define E1000_PBA_TX_MASK 0xFFFF0000 + +/* Flow Control Watermarks */ +#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ +#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ + +#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ + +/* How many Tx Descriptors do we need to call netif_wake_queue ? */ +#define E1000_TX_QUEUE_WAKE 16 +/* How many Rx Buffers do we bundle into one write to the hardware ? */ +#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ + +#define AUTO_ALL_MODES 0 +#define E1000_EEPROM_82544_APM 0x0004 +#define E1000_EEPROM_ICH8_APME 0x0004 +#define E1000_EEPROM_APME 0x0400 + +#ifndef E1000_MASTER_SLAVE +/* Switch to override PHY master/slave setting */ +#define E1000_MASTER_SLAVE e1000_ms_hw_default +#endif + +#define E1000_MNG_VLAN_NONE -1 +/* Number of packet split data buffers (not including the header buffer) */ +#define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1 + +/* only works for sizes that are powers of 2 */ +#define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1))) + +/* wrapper around a pointer to a socket buffer, + * so a DMA handle can be stored along with the buffer */ +struct e1000_buffer { + struct sk_buff *skb; + dma_addr_t dma; + unsigned long time_stamp; + uint16_t length; + uint16_t next_to_watch; +}; + + +struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; }; +struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; }; + +struct e1000_tx_ring { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical address of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; + /* number of descriptors in the ring */ + unsigned int count; + /* next descriptor to associate a buffer with */ + unsigned int next_to_use; + /* next descriptor to check for DD status bit */ + unsigned int next_to_clean; + /* array of buffer information structs */ + struct e1000_buffer *buffer_info; + + spinlock_t tx_lock; + uint16_t tdh; + uint16_t tdt; + boolean_t last_tx_tso; +}; + +struct e1000_rx_ring { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical address of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; + /* number of descriptors in the ring */ + unsigned int count; + /* next descriptor to associate a buffer with */ + unsigned int next_to_use; + /* next descriptor to check for DD status bit */ + unsigned int next_to_clean; + /* array of buffer information structs */ + struct e1000_buffer *buffer_info; + /* arrays of page information for packet split */ + struct e1000_ps_page *ps_page; + struct e1000_ps_page_dma *ps_page_dma; + + /* cpu for rx queue */ + int cpu; + + uint16_t rdh; + uint16_t rdt; +}; + +#define E1000_DESC_UNUSED(R) \ + ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ + (R)->next_to_clean - (R)->next_to_use - 1) + +#define E1000_RX_DESC_PS(R, i) \ + (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) +#define E1000_RX_DESC_EXT(R, i) \ + (&(((union e1000_rx_desc_extended *)((R).desc))[i])) +#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) +#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) +#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) +#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) + +/* board specific private data structure */ + +struct e1000_adapter { + struct timer_list tx_fifo_stall_timer; + struct timer_list watchdog_timer; + struct timer_list phy_info_timer; + struct vlan_group *vlgrp; + uint16_t mng_vlan_id; + uint32_t bd_number; + uint32_t rx_buffer_len; + uint32_t part_num; + uint32_t wol; + uint32_t ksp3_port_a; + uint32_t smartspeed; + uint32_t en_mng_pt; + uint16_t link_speed; + uint16_t link_duplex; + spinlock_t stats_lock; +#ifdef CONFIG_E1000_NAPI + spinlock_t tx_queue_lock; +#endif + atomic_t irq_sem; + struct work_struct reset_task; + uint8_t fc_autoneg; + + struct timer_list blink_timer; + unsigned long led_status; + + /* TX */ + struct e1000_tx_ring *tx_ring; /* One per active queue */ + unsigned long tx_queue_len; + uint32_t txd_cmd; + uint32_t tx_int_delay; + uint32_t tx_abs_int_delay; + uint32_t gotcl; + uint64_t gotcl_old; + uint64_t tpt_old; + uint64_t colc_old; + uint32_t tx_timeout_count; + uint32_t tx_fifo_head; + uint32_t tx_head_addr; + uint32_t tx_fifo_size; + uint8_t tx_timeout_factor; + atomic_t tx_fifo_stall; + boolean_t pcix_82544; + boolean_t detect_tx_hung; + + /* RX */ +#ifdef CONFIG_E1000_NAPI + boolean_t (*clean_rx) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do); +#else + boolean_t (*clean_rx) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); +#endif + void (*alloc_rx_buf) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int cleaned_count); + struct e1000_rx_ring *rx_ring; /* One per active queue */ +#ifdef CONFIG_E1000_NAPI + struct net_device *polling_netdev; /* One per active queue */ +#endif + int num_tx_queues; + int num_rx_queues; + + uint64_t hw_csum_err; + uint64_t hw_csum_good; + uint64_t rx_hdr_split; + uint32_t alloc_rx_buff_failed; + uint32_t rx_int_delay; + uint32_t rx_abs_int_delay; + boolean_t rx_csum; + unsigned int rx_ps_pages; + uint32_t gorcl; + uint64_t gorcl_old; + uint16_t rx_ps_bsize0; + + /* Interrupt Throttle Rate */ + uint32_t itr; + + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; + + /* structs defined in e1000_hw.h */ + struct e1000_hw hw; + struct e1000_hw_stats stats; + struct e1000_phy_info phy_info; + struct e1000_phy_stats phy_stats; + + uint32_t test_icr; + struct e1000_tx_ring test_tx_ring; + struct e1000_rx_ring test_rx_ring; + + + uint32_t *config_space; + int msg_enable; +#ifdef CONFIG_PCI_MSI + boolean_t have_msi; +#endif + /* to not mess up cache alignment, always add to the bottom */ +#ifdef NETIF_F_TSO + boolean_t tso_force; +#endif + boolean_t smart_power_down; /* phy smart power down */ + unsigned long flags; + + ec_device_t *ecdev; + unsigned long ec_watchdog_jiffies; +}; + +enum e1000_state_t { + __E1000_DRIVER_TESTING, + __E1000_RESETTING, +}; + +/* e1000_main.c */ +extern char e1000_driver_name[]; +extern char e1000_driver_version[]; +int e1000_up(struct e1000_adapter *adapter); +void e1000_down(struct e1000_adapter *adapter); +void e1000_reset(struct e1000_adapter *adapter); +void e1000_reinit_locked(struct e1000_adapter *adapter); +int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); +void e1000_free_all_tx_resources(struct e1000_adapter *adapter); +int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); +void e1000_free_all_rx_resources(struct e1000_adapter *adapter); +void e1000_update_stats(struct e1000_adapter *adapter); +int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); + +/* e1000_ethtool.c */ +void e1000_set_ethtool_ops(struct net_device *netdev); + +/* e1000_param.c */ +void e1000_check_options(struct e1000_adapter *adapter); + + +#endif /* _E1000_H_ */