fp@1360: /******************************************************************************* fp@1360: fp@1360: Intel PRO/1000 Linux driver fp@1360: Copyright(c) 1999 - 2006 Intel Corporation. fp@1360: fp@1360: This program is free software; you can redistribute it and/or modify it fp@1360: under the terms and conditions of the GNU General Public License, fp@1360: version 2, as published by the Free Software Foundation. fp@1360: fp@1360: This program is distributed in the hope it will be useful, but WITHOUT fp@1360: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or fp@1360: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for fp@1360: more details. fp@1360: fp@1360: You should have received a copy of the GNU General Public License along with fp@1360: this program; if not, write to the Free Software Foundation, Inc., fp@1360: 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. fp@1360: fp@1360: The full GNU General Public License is included in this distribution in fp@1360: the file called "COPYING". fp@1360: fp@1360: Contact Information: fp@1360: Linux NICS fp@1360: e1000-devel Mailing List fp@1360: Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 fp@1360: fp@1360: *******************************************************************************/ fp@1360: fp@1360: fp@1360: /* Linux PRO/1000 Ethernet Driver main header file */ fp@1360: fp@1360: #ifndef _E1000_H_ fp@1360: #define _E1000_H_ fp@1360: fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include fp@1360: #include "../ecdev.h" fp@1360: fp@1360: fp@1360: #define BAR_0 0 fp@1360: #define BAR_1 1 fp@1360: #define BAR_5 5 fp@1360: fp@1360: #define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ fp@1360: PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} fp@1360: fp@1360: struct e1000_adapter; fp@1360: fp@1360: #include "e1000_hw-2.6.26-ethercat.h" fp@1360: fp@1360: #ifdef DBG fp@1360: #define E1000_DBG(args...) printk(KERN_DEBUG "ec_e1000: " args) fp@1360: #else fp@1360: #define E1000_DBG(args...) fp@1360: #endif fp@1360: fp@1360: #define E1000_ERR(args...) printk(KERN_ERR "ec_e1000: " args) fp@1360: fp@1360: #define PFX "ec_e1000: " fp@1360: #define DPRINTK(nlevel, klevel, fmt, args...) \ fp@1360: (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ fp@1360: printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ fp@1360: __FUNCTION__ , ## args)) fp@1360: fp@1360: #define E1000_MAX_INTR 10 fp@1360: fp@1360: /* TX/RX descriptor defines */ fp@1360: #define E1000_DEFAULT_TXD 256 fp@1360: #define E1000_MAX_TXD 256 fp@1360: #define E1000_MIN_TXD 80 fp@1360: #define E1000_MAX_82544_TXD 4096 fp@1360: fp@1360: #define E1000_DEFAULT_RXD 256 fp@1360: #define E1000_MAX_RXD 256 fp@1360: #define E1000_MIN_RXD 80 fp@1360: #define E1000_MAX_82544_RXD 4096 fp@1360: fp@1360: /* this is the size past which hardware will drop packets when setting LPE=0 */ fp@1360: #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 fp@1360: fp@1360: /* Supported Rx Buffer Sizes */ fp@1360: #define E1000_RXBUFFER_128 128 /* Used for packet split */ fp@1360: #define E1000_RXBUFFER_256 256 /* Used for packet split */ fp@1360: #define E1000_RXBUFFER_512 512 fp@1360: #define E1000_RXBUFFER_1024 1024 fp@1360: #define E1000_RXBUFFER_2048 2048 fp@1360: #define E1000_RXBUFFER_4096 4096 fp@1360: #define E1000_RXBUFFER_8192 8192 fp@1360: #define E1000_RXBUFFER_16384 16384 fp@1360: fp@1360: /* SmartSpeed delimiters */ fp@1360: #define E1000_SMARTSPEED_DOWNSHIFT 3 fp@1360: #define E1000_SMARTSPEED_MAX 15 fp@1360: fp@1360: /* Packet Buffer allocations */ fp@1360: #define E1000_PBA_BYTES_SHIFT 0xA fp@1360: #define E1000_TX_HEAD_ADDR_SHIFT 7 fp@1360: #define E1000_PBA_TX_MASK 0xFFFF0000 fp@1360: fp@1360: /* Flow Control Watermarks */ fp@1360: #define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ fp@1360: #define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ fp@1360: fp@1360: #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ fp@1360: fp@1360: /* How many Tx Descriptors do we need to call netif_wake_queue ? */ fp@1360: #define E1000_TX_QUEUE_WAKE 16 fp@1360: /* How many Rx Buffers do we bundle into one write to the hardware ? */ fp@1360: #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ fp@1360: fp@1360: #define AUTO_ALL_MODES 0 fp@1360: #define E1000_EEPROM_82544_APM 0x0004 fp@1360: #define E1000_EEPROM_ICH8_APME 0x0004 fp@1360: #define E1000_EEPROM_APME 0x0400 fp@1360: fp@1360: #ifndef E1000_MASTER_SLAVE fp@1360: /* Switch to override PHY master/slave setting */ fp@1360: #define E1000_MASTER_SLAVE e1000_ms_hw_default fp@1360: #endif fp@1360: fp@1360: #define E1000_MNG_VLAN_NONE -1 fp@1360: /* Number of packet split data buffers (not including the header buffer) */ fp@1360: #define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1 fp@1360: fp@1360: /* wrapper around a pointer to a socket buffer, fp@1360: * so a DMA handle can be stored along with the buffer */ fp@1360: struct e1000_buffer { fp@1360: struct sk_buff *skb; fp@1360: dma_addr_t dma; fp@1360: unsigned long time_stamp; fp@1360: u16 length; fp@1360: u16 next_to_watch; fp@1360: }; fp@1360: fp@1360: fp@1360: struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; }; fp@1360: struct e1000_ps_page_dma { u64 ps_page_dma[PS_PAGE_BUFFERS]; }; fp@1360: fp@1360: struct e1000_tx_ring { fp@1360: /* pointer to the descriptor ring memory */ fp@1360: void *desc; fp@1360: /* physical address of the descriptor ring */ fp@1360: dma_addr_t dma; fp@1360: /* length of descriptor ring in bytes */ fp@1360: unsigned int size; fp@1360: /* number of descriptors in the ring */ fp@1360: unsigned int count; fp@1360: /* next descriptor to associate a buffer with */ fp@1360: unsigned int next_to_use; fp@1360: /* next descriptor to check for DD status bit */ fp@1360: unsigned int next_to_clean; fp@1360: /* array of buffer information structs */ fp@1360: struct e1000_buffer *buffer_info; fp@1360: fp@1360: spinlock_t tx_lock; fp@1360: u16 tdh; fp@1360: u16 tdt; fp@1360: bool last_tx_tso; fp@1360: }; fp@1360: fp@1360: struct e1000_rx_ring { fp@1360: /* pointer to the descriptor ring memory */ fp@1360: void *desc; fp@1360: /* physical address of the descriptor ring */ fp@1360: dma_addr_t dma; fp@1360: /* length of descriptor ring in bytes */ fp@1360: unsigned int size; fp@1360: /* number of descriptors in the ring */ fp@1360: unsigned int count; fp@1360: /* next descriptor to associate a buffer with */ fp@1360: unsigned int next_to_use; fp@1360: /* next descriptor to check for DD status bit */ fp@1360: unsigned int next_to_clean; fp@1360: /* array of buffer information structs */ fp@1360: struct e1000_buffer *buffer_info; fp@1360: /* arrays of page information for packet split */ fp@1360: struct e1000_ps_page *ps_page; fp@1360: struct e1000_ps_page_dma *ps_page_dma; fp@1360: fp@1360: /* cpu for rx queue */ fp@1360: int cpu; fp@1360: fp@1360: u16 rdh; fp@1360: u16 rdt; fp@1360: }; fp@1360: fp@1360: #define E1000_DESC_UNUSED(R) \ fp@1360: ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ fp@1360: (R)->next_to_clean - (R)->next_to_use - 1) fp@1360: fp@1360: #define E1000_RX_DESC_PS(R, i) \ fp@1360: (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) fp@1360: #define E1000_RX_DESC_EXT(R, i) \ fp@1360: (&(((union e1000_rx_desc_extended *)((R).desc))[i])) fp@1360: #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) fp@1360: #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) fp@1360: #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) fp@1360: #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) fp@1360: fp@1360: /* board specific private data structure */ fp@1360: fp@1360: struct e1000_adapter { fp@1360: struct timer_list tx_fifo_stall_timer; fp@1360: struct timer_list watchdog_timer; fp@1360: struct timer_list phy_info_timer; fp@1360: struct vlan_group *vlgrp; fp@1360: u16 mng_vlan_id; fp@1360: u32 bd_number; fp@1360: u32 rx_buffer_len; fp@1360: u32 wol; fp@1360: u32 smartspeed; fp@1360: u32 en_mng_pt; fp@1360: u16 link_speed; fp@1360: u16 link_duplex; fp@1360: spinlock_t stats_lock; fp@1360: #ifdef CONFIG_E1000_NAPI fp@1360: spinlock_t tx_queue_lock; fp@1360: #endif fp@1360: unsigned int total_tx_bytes; fp@1360: unsigned int total_tx_packets; fp@1360: unsigned int total_rx_bytes; fp@1360: unsigned int total_rx_packets; fp@1360: /* Interrupt Throttle Rate */ fp@1360: u32 itr; fp@1360: u32 itr_setting; fp@1360: u16 tx_itr; fp@1360: u16 rx_itr; fp@1360: fp@1360: struct work_struct reset_task; fp@1360: u8 fc_autoneg; fp@1360: fp@1360: struct timer_list blink_timer; fp@1360: unsigned long led_status; fp@1360: fp@1360: /* TX */ fp@1360: struct e1000_tx_ring *tx_ring; /* One per active queue */ fp@1360: unsigned int restart_queue; fp@1360: unsigned long tx_queue_len; fp@1360: u32 txd_cmd; fp@1360: u32 tx_int_delay; fp@1360: u32 tx_abs_int_delay; fp@1360: u32 gotcl; fp@1360: u64 gotcl_old; fp@1360: u64 tpt_old; fp@1360: u64 colc_old; fp@1360: u32 tx_timeout_count; fp@1360: u32 tx_fifo_head; fp@1360: u32 tx_head_addr; fp@1360: u32 tx_fifo_size; fp@1360: u8 tx_timeout_factor; fp@1360: atomic_t tx_fifo_stall; fp@1360: bool pcix_82544; fp@1360: bool detect_tx_hung; fp@1360: fp@1360: /* RX */ fp@1360: #ifdef CONFIG_E1000_NAPI fp@1360: bool (*clean_rx) (struct e1000_adapter *adapter, fp@1360: struct e1000_rx_ring *rx_ring, fp@1360: int *work_done, int work_to_do); fp@1360: #else fp@1360: bool (*clean_rx) (struct e1000_adapter *adapter, fp@1360: struct e1000_rx_ring *rx_ring); fp@1360: #endif fp@1360: void (*alloc_rx_buf) (struct e1000_adapter *adapter, fp@1360: struct e1000_rx_ring *rx_ring, fp@1360: int cleaned_count); fp@1360: struct e1000_rx_ring *rx_ring; /* One per active queue */ fp@1360: #ifdef CONFIG_E1000_NAPI fp@1360: struct napi_struct napi; fp@1360: struct net_device *polling_netdev; /* One per active queue */ fp@1360: #endif fp@1360: int num_tx_queues; fp@1360: int num_rx_queues; fp@1360: fp@1360: u64 hw_csum_err; fp@1360: u64 hw_csum_good; fp@1360: u64 rx_hdr_split; fp@1360: u32 alloc_rx_buff_failed; fp@1360: u32 rx_int_delay; fp@1360: u32 rx_abs_int_delay; fp@1360: bool rx_csum; fp@1360: unsigned int rx_ps_pages; fp@1360: u32 gorcl; fp@1360: u64 gorcl_old; fp@1360: u16 rx_ps_bsize0; fp@1360: fp@1360: fp@1360: /* OS defined structs */ fp@1360: struct net_device *netdev; fp@1360: struct pci_dev *pdev; fp@1360: struct net_device_stats net_stats; fp@1360: fp@1360: /* structs defined in e1000_hw.h */ fp@1360: struct e1000_hw hw; fp@1360: struct e1000_hw_stats stats; fp@1360: struct e1000_phy_info phy_info; fp@1360: struct e1000_phy_stats phy_stats; fp@1360: fp@1360: u32 test_icr; fp@1360: struct e1000_tx_ring test_tx_ring; fp@1360: struct e1000_rx_ring test_rx_ring; fp@1360: fp@1360: int msg_enable; fp@1360: bool have_msi; fp@1360: fp@1360: /* to not mess up cache alignment, always add to the bottom */ fp@1360: bool tso_force; fp@1360: bool smart_power_down; /* phy smart power down */ fp@1360: bool quad_port_a; fp@1360: unsigned long flags; fp@1360: u32 eeprom_wol; fp@1360: fp@1360: ec_device_t *ecdev; fp@1360: unsigned long ec_watchdog_jiffies; fp@1360: }; fp@1360: fp@1360: enum e1000_state_t { fp@1360: __E1000_TESTING, fp@1360: __E1000_RESETTING, fp@1360: __E1000_DOWN fp@1360: }; fp@1360: fp@1360: extern char e1000_driver_name[]; fp@1360: extern const char e1000_driver_version[]; fp@1360: fp@1360: extern void e1000_power_up_phy(struct e1000_adapter *); fp@1360: extern void e1000_set_ethtool_ops(struct net_device *netdev); fp@1360: extern void e1000_check_options(struct e1000_adapter *adapter); fp@1360: fp@1360: fp@1360: #endif /* _E1000_H_ */