/******************************************************************************* Copyright(c) 1999 - 2005 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 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 #include #ifdef NETIF_F_TSO #include #endif #include #include #include #include #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_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 watchdog_task; 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 */ boolean_t txb2b; #ifdef NETIF_F_TSO boolean_t tso_force; #endif }; /* 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); 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_ */