| /******************************************************************************* |
| |
| |
| 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 <linux.nics@intel.com> |
| e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 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 <linux/stddef.h> |
| #include <linux/config.h> |
| #include <linux/module.h> |
| #include <linux/types.h> |
| #include <asm/byteorder.h> |
| #include <linux/init.h> |
| #include <linux/mm.h> |
| #include <linux/errno.h> |
| #include <linux/ioport.h> |
| #include <linux/pci.h> |
| #include <linux/kernel.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/delay.h> |
| #include <linux/timer.h> |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/interrupt.h> |
| #include <linux/string.h> |
| #include <linux/pagemap.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/bitops.h> |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| #include <linux/capability.h> |
| #include <linux/in.h> |
| #include <linux/ip.h> |
| #include <linux/tcp.h> |
| #include <linux/udp.h> |
| #include <net/pkt_sched.h> |
| #include <linux/list.h> |
| #include <linux/reboot.h> |
| #ifdef NETIF_F_TSO |
| #include <net/checksum.h> |
| #endif |
| #include <linux/mii.h> |
| #include <linux/ethtool.h> |
| #include <linux/if_vlan.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.h" |
| |
| #ifdef DBG |
| #define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) |
| #else |
| #define E1000_DBG(args...) |
| #endif |
| |
| #define E1000_ERR(args...) printk(KERN_ERR "e1000: " args) |
| |
| #define PFX "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 |
| |
| /* 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_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; |
| }; |
| |
| 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_ */ |