|  | /******************************************************************************* | 
|  |  | 
|  | Intel PRO/1000 Linux driver | 
|  | Copyright(c) 1999 - 2006 Intel Corporation. | 
|  |  | 
|  | This program is free software; you can redistribute it and/or modify it | 
|  | under the terms and conditions of the GNU General Public License, | 
|  | version 2, as published by the Free Software Foundation. | 
|  |  | 
|  | This program is distributed in the hope 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., | 
|  | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | 
|  |  | 
|  | The full GNU General Public License is included in this distribution in | 
|  | the file called "COPYING". | 
|  |  | 
|  | 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/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/ipv6.h> | 
|  | #include <linux/tcp.h> | 
|  | #include <linux/udp.h> | 
|  | #include <net/pkt_sched.h> | 
|  | #include <linux/list.h> | 
|  | #include <linux/reboot.h> | 
|  | #include <net/checksum.h> | 
|  | #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" | 
|  |  | 
|  | #define E1000_MAX_INTR 10 | 
|  |  | 
|  | /* TX/RX descriptor defines */ | 
|  | #define E1000_DEFAULT_TXD                  256 | 
|  | #define E1000_MAX_TXD                      256 | 
|  | #define E1000_MIN_TXD                       48 | 
|  | #define E1000_MAX_82544_TXD               4096 | 
|  |  | 
|  | #define E1000_DEFAULT_RXD                  256 | 
|  | #define E1000_MAX_RXD                      256 | 
|  | #define E1000_MIN_RXD                       48 | 
|  | #define E1000_MAX_82544_RXD               4096 | 
|  |  | 
|  | #define E1000_MIN_ITR_USECS		10 /* 100000 irq/sec */ | 
|  | #define E1000_MAX_ITR_USECS		10000 /* 100    irq/sec */ | 
|  |  | 
|  | /* 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 0xFFFF /* pause for the max or until send xon */ | 
|  |  | 
|  | /* 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) | 
|  |  | 
|  | /* 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; | 
|  | struct page *page; | 
|  | unsigned long time_stamp; | 
|  | u16 length; | 
|  | u16 next_to_watch; | 
|  | u16 mapped_as_page; | 
|  | }; | 
|  |  | 
|  | 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; | 
|  |  | 
|  | u16 tdh; | 
|  | u16 tdt; | 
|  | bool 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; | 
|  | struct sk_buff *rx_skb_top; | 
|  |  | 
|  | /* cpu for rx queue */ | 
|  | int cpu; | 
|  |  | 
|  | u16 rdh; | 
|  | u16 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_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; | 
|  | u16 mng_vlan_id; | 
|  | u32 bd_number; | 
|  | u32 rx_buffer_len; | 
|  | u32 wol; | 
|  | u32 smartspeed; | 
|  | u32 en_mng_pt; | 
|  | u16 link_speed; | 
|  | u16 link_duplex; | 
|  | spinlock_t stats_lock; | 
|  | unsigned int total_tx_bytes; | 
|  | unsigned int total_tx_packets; | 
|  | unsigned int total_rx_bytes; | 
|  | unsigned int total_rx_packets; | 
|  | /* Interrupt Throttle Rate */ | 
|  | u32 itr; | 
|  | u32 itr_setting; | 
|  | u16 tx_itr; | 
|  | u16 rx_itr; | 
|  |  | 
|  | struct work_struct reset_task; | 
|  | u8 fc_autoneg; | 
|  |  | 
|  | /* TX */ | 
|  | struct e1000_tx_ring *tx_ring;      /* One per active queue */ | 
|  | unsigned int restart_queue; | 
|  | u32 txd_cmd; | 
|  | u32 tx_int_delay; | 
|  | u32 tx_abs_int_delay; | 
|  | u32 gotcl; | 
|  | u64 gotcl_old; | 
|  | u64 tpt_old; | 
|  | u64 colc_old; | 
|  | u32 tx_timeout_count; | 
|  | u32 tx_fifo_head; | 
|  | u32 tx_head_addr; | 
|  | u32 tx_fifo_size; | 
|  | u8  tx_timeout_factor; | 
|  | atomic_t tx_fifo_stall; | 
|  | bool pcix_82544; | 
|  | bool detect_tx_hung; | 
|  |  | 
|  | /* RX */ | 
|  | bool (*clean_rx)(struct e1000_adapter *adapter, | 
|  | struct e1000_rx_ring *rx_ring, | 
|  | int *work_done, int work_to_do); | 
|  | 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 */ | 
|  | struct napi_struct napi; | 
|  |  | 
|  | int num_tx_queues; | 
|  | int num_rx_queues; | 
|  |  | 
|  | u64 hw_csum_err; | 
|  | u64 hw_csum_good; | 
|  | u32 alloc_rx_buff_failed; | 
|  | u32 rx_int_delay; | 
|  | u32 rx_abs_int_delay; | 
|  | bool rx_csum; | 
|  | u32 gorcl; | 
|  | u64 gorcl_old; | 
|  |  | 
|  | /* OS defined structs */ | 
|  | struct net_device *netdev; | 
|  | struct pci_dev *pdev; | 
|  |  | 
|  | /* 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; | 
|  |  | 
|  | u32 test_icr; | 
|  | struct e1000_tx_ring test_tx_ring; | 
|  | struct e1000_rx_ring test_rx_ring; | 
|  |  | 
|  | int msg_enable; | 
|  |  | 
|  | /* to not mess up cache alignment, always add to the bottom */ | 
|  | bool tso_force; | 
|  | bool smart_power_down;	/* phy smart power down */ | 
|  | bool quad_port_a; | 
|  | unsigned long flags; | 
|  | u32 eeprom_wol; | 
|  |  | 
|  | /* for ioport free */ | 
|  | int bars; | 
|  | int need_ioport; | 
|  |  | 
|  | bool discarding; | 
|  |  | 
|  | struct work_struct fifo_stall_task; | 
|  | struct work_struct phy_info_task; | 
|  | }; | 
|  |  | 
|  | enum e1000_state_t { | 
|  | __E1000_TESTING, | 
|  | __E1000_RESETTING, | 
|  | __E1000_DOWN | 
|  | }; | 
|  |  | 
|  | #undef pr_fmt | 
|  | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | 
|  |  | 
|  | extern struct net_device *e1000_get_hw_dev(struct e1000_hw *hw); | 
|  | #define e_dbg(format, arg...) \ | 
|  | netdev_dbg(e1000_get_hw_dev(hw), format, ## arg) | 
|  | #define e_err(msglvl, format, arg...) \ | 
|  | netif_err(adapter, msglvl, adapter->netdev, format, ## arg) | 
|  | #define e_info(msglvl, format, arg...) \ | 
|  | netif_info(adapter, msglvl, adapter->netdev, format, ## arg) | 
|  | #define e_warn(msglvl, format, arg...) \ | 
|  | netif_warn(adapter, msglvl, adapter->netdev, format, ## arg) | 
|  | #define e_notice(msglvl, format, arg...) \ | 
|  | netif_notice(adapter, msglvl, adapter->netdev, format, ## arg) | 
|  | #define e_dev_info(format, arg...) \ | 
|  | dev_info(&adapter->pdev->dev, format, ## arg) | 
|  | #define e_dev_warn(format, arg...) \ | 
|  | dev_warn(&adapter->pdev->dev, format, ## arg) | 
|  | #define e_dev_err(format, arg...) \ | 
|  | dev_err(&adapter->pdev->dev, format, ## arg) | 
|  |  | 
|  | extern char e1000_driver_name[]; | 
|  | extern const char e1000_driver_version[]; | 
|  |  | 
|  | extern int e1000_up(struct e1000_adapter *adapter); | 
|  | extern void e1000_down(struct e1000_adapter *adapter); | 
|  | extern void e1000_reinit_locked(struct e1000_adapter *adapter); | 
|  | extern void e1000_reset(struct e1000_adapter *adapter); | 
|  | extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx); | 
|  | extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); | 
|  | extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); | 
|  | extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter); | 
|  | extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter); | 
|  | extern void e1000_update_stats(struct e1000_adapter *adapter); | 
|  | extern bool e1000_has_link(struct e1000_adapter *adapter); | 
|  | extern void e1000_power_up_phy(struct e1000_adapter *); | 
|  | extern void e1000_set_ethtool_ops(struct net_device *netdev); | 
|  | extern void e1000_check_options(struct e1000_adapter *adapter); | 
|  | extern char *e1000_get_hw_dev_name(struct e1000_hw *hw); | 
|  |  | 
|  | #endif /* _E1000_H_ */ |