fp@1900: /******************************************************************************* fp@1900: fp@1900: Intel PRO/1000 Linux driver fp@1900: Copyright(c) 1999 - 2006 Intel Corporation. fp@1900: fp@1900: This program is free software; you can redistribute it and/or modify it fp@1900: under the terms and conditions of the GNU General Public License, fp@1900: version 2, as published by the Free Software Foundation. fp@1900: fp@1900: This program is distributed in the hope it will be useful, but WITHOUT fp@1900: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or fp@1900: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for fp@1900: more details. fp@1900: fp@1900: You should have received a copy of the GNU General Public License along with fp@1900: this program; if not, write to the Free Software Foundation, Inc., fp@1900: 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. fp@1900: fp@1900: The full GNU General Public License is included in this distribution in fp@1900: the file called "COPYING". fp@1900: fp@1900: Contact Information: fp@1900: Linux NICS fp@1900: e1000-devel Mailing List fp@1900: Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 fp@1900: fp@1900: *******************************************************************************/ fp@1900: fp@1900: fp@1900: /* Linux PRO/1000 Ethernet Driver main header file */ fp@1900: fp@1900: #ifndef _E1000_H_ fp@1900: #define _E1000_H_ fp@1900: fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: #include fp@1900: fp@1900: #define BAR_0 0 fp@1900: #define BAR_1 1 fp@1900: #define BAR_5 5 fp@1900: fp@1900: #define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ fp@1900: PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} fp@1900: fp@1900: struct e1000_adapter; fp@1900: fp@1900: #include "e1000_hw.h" fp@1900: fp@1900: #ifdef DBG fp@1900: #define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) fp@1900: #else fp@1900: #define E1000_DBG(args...) fp@1900: #endif fp@1900: fp@1900: #define E1000_ERR(args...) printk(KERN_ERR "e1000: " args) fp@1900: fp@1900: #define PFX "e1000: " fp@1900: fp@1900: #define DPRINTK(nlevel, klevel, fmt, args...) \ fp@1900: do { \ fp@1900: if (NETIF_MSG_##nlevel & adapter->msg_enable) \ fp@1900: printk(KERN_##klevel PFX "%s: %s: " fmt, \ fp@1900: adapter->netdev->name, __func__, ##args); \ fp@1900: } while (0) fp@1900: fp@1900: #define E1000_MAX_INTR 10 fp@1900: fp@1900: /* TX/RX descriptor defines */ fp@1900: #define E1000_DEFAULT_TXD 256 fp@1900: #define E1000_MAX_TXD 256 fp@1900: #define E1000_MIN_TXD 80 fp@1900: #define E1000_MAX_82544_TXD 4096 fp@1900: fp@1900: #define E1000_DEFAULT_RXD 256 fp@1900: #define E1000_MAX_RXD 256 fp@1900: #define E1000_MIN_RXD 80 fp@1900: #define E1000_MAX_82544_RXD 4096 fp@1900: fp@1900: /* this is the size past which hardware will drop packets when setting LPE=0 */ fp@1900: #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 fp@1900: fp@1900: /* Supported Rx Buffer Sizes */ fp@1900: #define E1000_RXBUFFER_128 128 /* Used for packet split */ fp@1900: #define E1000_RXBUFFER_256 256 /* Used for packet split */ fp@1900: #define E1000_RXBUFFER_512 512 fp@1900: #define E1000_RXBUFFER_1024 1024 fp@1900: #define E1000_RXBUFFER_2048 2048 fp@1900: #define E1000_RXBUFFER_4096 4096 fp@1900: #define E1000_RXBUFFER_8192 8192 fp@1900: #define E1000_RXBUFFER_16384 16384 fp@1900: fp@1900: /* SmartSpeed delimiters */ fp@1900: #define E1000_SMARTSPEED_DOWNSHIFT 3 fp@1900: #define E1000_SMARTSPEED_MAX 15 fp@1900: fp@1900: /* Packet Buffer allocations */ fp@1900: #define E1000_PBA_BYTES_SHIFT 0xA fp@1900: #define E1000_TX_HEAD_ADDR_SHIFT 7 fp@1900: #define E1000_PBA_TX_MASK 0xFFFF0000 fp@1900: fp@1900: /* Flow Control Watermarks */ fp@1900: #define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ fp@1900: #define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ fp@1900: fp@1900: #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ fp@1900: fp@1900: /* How many Tx Descriptors do we need to call netif_wake_queue ? */ fp@1900: #define E1000_TX_QUEUE_WAKE 16 fp@1900: /* How many Rx Buffers do we bundle into one write to the hardware ? */ fp@1900: #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ fp@1900: fp@1900: #define AUTO_ALL_MODES 0 fp@1900: #define E1000_EEPROM_82544_APM 0x0004 fp@1900: #define E1000_EEPROM_ICH8_APME 0x0004 fp@1900: #define E1000_EEPROM_APME 0x0400 fp@1900: fp@1900: #ifndef E1000_MASTER_SLAVE fp@1900: /* Switch to override PHY master/slave setting */ fp@1900: #define E1000_MASTER_SLAVE e1000_ms_hw_default fp@1900: #endif fp@1900: fp@1900: #define E1000_MNG_VLAN_NONE (-1) fp@1900: /* Number of packet split data buffers (not including the header buffer) */ fp@1900: #define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1) fp@1900: fp@1900: /* wrapper around a pointer to a socket buffer, fp@1900: * so a DMA handle can be stored along with the buffer */ fp@1900: struct e1000_buffer { fp@1900: struct sk_buff *skb; fp@1900: dma_addr_t dma; fp@1900: unsigned long time_stamp; fp@1900: u16 length; fp@1900: u16 next_to_watch; fp@1900: }; fp@1900: fp@1900: struct e1000_ps_page { fp@1900: struct page *ps_page[PS_PAGE_BUFFERS]; fp@1900: }; fp@1900: fp@1900: struct e1000_ps_page_dma { fp@1900: u64 ps_page_dma[PS_PAGE_BUFFERS]; fp@1900: }; fp@1900: fp@1900: struct e1000_tx_ring { fp@1900: /* pointer to the descriptor ring memory */ fp@1900: void *desc; fp@1900: /* physical address of the descriptor ring */ fp@1900: dma_addr_t dma; fp@1900: /* length of descriptor ring in bytes */ fp@1900: unsigned int size; fp@1900: /* number of descriptors in the ring */ fp@1900: unsigned int count; fp@1900: /* next descriptor to associate a buffer with */ fp@1900: unsigned int next_to_use; fp@1900: /* next descriptor to check for DD status bit */ fp@1900: unsigned int next_to_clean; fp@1900: /* array of buffer information structs */ fp@1900: struct e1000_buffer *buffer_info; fp@1900: fp@1900: spinlock_t tx_lock; fp@1900: u16 tdh; fp@1900: u16 tdt; fp@1900: bool last_tx_tso; fp@1900: }; fp@1900: fp@1900: struct e1000_rx_ring { fp@1900: /* pointer to the descriptor ring memory */ fp@1900: void *desc; fp@1900: /* physical address of the descriptor ring */ fp@1900: dma_addr_t dma; fp@1900: /* length of descriptor ring in bytes */ fp@1900: unsigned int size; fp@1900: /* number of descriptors in the ring */ fp@1900: unsigned int count; fp@1900: /* next descriptor to associate a buffer with */ fp@1900: unsigned int next_to_use; fp@1900: /* next descriptor to check for DD status bit */ fp@1900: unsigned int next_to_clean; fp@1900: /* array of buffer information structs */ fp@1900: struct e1000_buffer *buffer_info; fp@1900: /* arrays of page information for packet split */ fp@1900: struct e1000_ps_page *ps_page; fp@1900: struct e1000_ps_page_dma *ps_page_dma; fp@1900: fp@1900: /* cpu for rx queue */ fp@1900: int cpu; fp@1900: fp@1900: u16 rdh; fp@1900: u16 rdt; fp@1900: }; fp@1900: fp@1900: #define E1000_DESC_UNUSED(R) \ fp@1900: ((((R)->next_to_clean > (R)->next_to_use) \ fp@1900: ? 0 : (R)->count) + (R)->next_to_clean - (R)->next_to_use - 1) fp@1900: fp@1900: #define E1000_RX_DESC_PS(R, i) \ fp@1900: (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) fp@1900: #define E1000_RX_DESC_EXT(R, i) \ fp@1900: (&(((union e1000_rx_desc_extended *)((R).desc))[i])) fp@1900: #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) fp@1900: #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) fp@1900: #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) fp@1900: #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) fp@1900: fp@1900: /* board specific private data structure */ fp@1900: fp@1900: struct e1000_adapter { fp@1900: struct timer_list tx_fifo_stall_timer; fp@1900: struct timer_list watchdog_timer; fp@1900: struct timer_list phy_info_timer; fp@1900: struct vlan_group *vlgrp; fp@1900: u16 mng_vlan_id; fp@1900: u32 bd_number; fp@1900: u32 rx_buffer_len; fp@1900: u32 wol; fp@1900: u32 smartspeed; fp@1900: u32 en_mng_pt; fp@1900: u16 link_speed; fp@1900: u16 link_duplex; fp@1900: spinlock_t stats_lock; fp@1900: spinlock_t tx_queue_lock; fp@1900: unsigned int total_tx_bytes; fp@1900: unsigned int total_tx_packets; fp@1900: unsigned int total_rx_bytes; fp@1900: unsigned int total_rx_packets; fp@1900: /* Interrupt Throttle Rate */ fp@1900: u32 itr; fp@1900: u32 itr_setting; fp@1900: u16 tx_itr; fp@1900: u16 rx_itr; fp@1900: fp@1900: struct work_struct reset_task; fp@1900: u8 fc_autoneg; fp@1900: fp@1900: struct timer_list blink_timer; fp@1900: unsigned long led_status; fp@1900: fp@1900: /* TX */ fp@1900: struct e1000_tx_ring *tx_ring; /* One per active queue */ fp@1900: unsigned int restart_queue; fp@1900: unsigned long tx_queue_len; fp@1900: u32 txd_cmd; fp@1900: u32 tx_int_delay; fp@1900: u32 tx_abs_int_delay; fp@1900: u32 gotcl; fp@1900: u64 gotcl_old; fp@1900: u64 tpt_old; fp@1900: u64 colc_old; fp@1900: u32 tx_timeout_count; fp@1900: u32 tx_fifo_head; fp@1900: u32 tx_head_addr; fp@1900: u32 tx_fifo_size; fp@1900: u8 tx_timeout_factor; fp@1900: atomic_t tx_fifo_stall; fp@1900: bool pcix_82544; fp@1900: bool detect_tx_hung; fp@1900: fp@1900: /* RX */ fp@1900: bool (*clean_rx)(struct e1000_adapter *adapter, fp@1900: struct e1000_rx_ring *rx_ring, fp@1900: int *work_done, int work_to_do); fp@1900: void (*alloc_rx_buf)(struct e1000_adapter *adapter, fp@1900: struct e1000_rx_ring *rx_ring, fp@1900: int cleaned_count); fp@1900: struct e1000_rx_ring *rx_ring; /* One per active queue */ fp@1900: struct napi_struct napi; fp@1900: struct net_device *polling_netdev; /* One per active queue */ fp@1900: fp@1900: int num_tx_queues; fp@1900: int num_rx_queues; fp@1900: fp@1900: u64 hw_csum_err; fp@1900: u64 hw_csum_good; fp@1900: u64 rx_hdr_split; fp@1900: u32 alloc_rx_buff_failed; fp@1900: u32 rx_int_delay; fp@1900: u32 rx_abs_int_delay; fp@1900: bool rx_csum; fp@1900: unsigned int rx_ps_pages; fp@1900: u32 gorcl; fp@1900: u64 gorcl_old; fp@1900: u16 rx_ps_bsize0; fp@1900: fp@1900: /* OS defined structs */ fp@1900: struct net_device *netdev; fp@1900: struct pci_dev *pdev; fp@1900: struct net_device_stats net_stats; fp@1900: fp@1900: /* structs defined in e1000_hw.h */ fp@1900: struct e1000_hw hw; fp@1900: struct e1000_hw_stats stats; fp@1900: struct e1000_phy_info phy_info; fp@1900: struct e1000_phy_stats phy_stats; fp@1900: fp@1900: u32 test_icr; fp@1900: struct e1000_tx_ring test_tx_ring; fp@1900: struct e1000_rx_ring test_rx_ring; fp@1900: fp@1900: int msg_enable; fp@1900: bool have_msi; fp@1900: fp@1900: /* to not mess up cache alignment, always add to the bottom */ fp@1900: bool tso_force; fp@1900: bool smart_power_down; /* phy smart power down */ fp@1900: bool quad_port_a; fp@1900: unsigned long flags; fp@1900: u32 eeprom_wol; fp@1900: fp@1900: /* for ioport free */ fp@1900: int bars; fp@1900: int need_ioport; fp@1900: }; fp@1900: fp@1900: enum e1000_state_t { fp@1900: __E1000_TESTING, fp@1900: __E1000_RESETTING, fp@1900: __E1000_DOWN, fp@1900: __E1000_DISCARDING fp@1900: }; fp@1900: fp@1900: extern char e1000_driver_name[]; fp@1900: extern const char e1000_driver_version[]; fp@1900: fp@1900: extern int e1000_up(struct e1000_adapter *adapter); fp@1900: extern void e1000_down(struct e1000_adapter *adapter); fp@1900: extern void e1000_reinit_locked(struct e1000_adapter *adapter); fp@1900: extern void e1000_reset(struct e1000_adapter *adapter); fp@1900: extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx); fp@1900: extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); fp@1900: extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); fp@1900: extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter); fp@1900: extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter); fp@1900: extern void e1000_update_stats(struct e1000_adapter *adapter); fp@1900: extern void e1000_power_up_phy(struct e1000_adapter *); fp@1900: extern void e1000_set_ethtool_ops(struct net_device *netdev); fp@1900: extern void e1000_check_options(struct e1000_adapter *adapter); fp@1900: fp@1900: #endif /* _E1000_H_ */