| /******************************************************************************* |
| |
| 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; |
| unsigned int segs; |
| unsigned int bytecount; |
| 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 { |
| unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
| 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; |
| |
| 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; |
| bool dump_buffers; |
| |
| /* 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 reset_task; |
| struct delayed_work watchdog_task; |
| struct delayed_work fifo_stall_task; |
| struct delayed_work phy_info_task; |
| |
| struct mutex mutex; |
| }; |
| |
| enum e1000_state_t { |
| __E1000_TESTING, |
| __E1000_RESETTING, |
| __E1000_DOWN |
| }; |
| |
| #undef pr_fmt |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| 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[]; |
| |
| int e1000_up(struct e1000_adapter *adapter); |
| void e1000_down(struct e1000_adapter *adapter); |
| void e1000_reinit_locked(struct e1000_adapter *adapter); |
| void e1000_reset(struct e1000_adapter *adapter); |
| int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx); |
| int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); |
| int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); |
| void e1000_free_all_rx_resources(struct e1000_adapter *adapter); |
| void e1000_free_all_tx_resources(struct e1000_adapter *adapter); |
| void e1000_update_stats(struct e1000_adapter *adapter); |
| bool e1000_has_link(struct e1000_adapter *adapter); |
| void e1000_power_up_phy(struct e1000_adapter *); |
| void e1000_set_ethtool_ops(struct net_device *netdev); |
| void e1000_check_options(struct e1000_adapter *adapter); |
| char *e1000_get_hw_dev_name(struct e1000_hw *hw); |
| |
| #endif /* _E1000_H_ */ |