| /******************************************************************************* |
| |
| Intel 10 Gigabit PCI Express Linux driver |
| Copyright(c) 1999 - 2009 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: |
| e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| |
| *******************************************************************************/ |
| |
| #ifndef _IXGBE_H_ |
| #define _IXGBE_H_ |
| |
| #include <linux/types.h> |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| #include <linux/aer.h> |
| |
| #include "ixgbe_type.h" |
| #include "ixgbe_common.h" |
| #include "ixgbe_dcb.h" |
| #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) |
| #define IXGBE_FCOE |
| #include "ixgbe_fcoe.h" |
| #endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */ |
| #ifdef CONFIG_IXGBE_DCA |
| #include <linux/dca.h> |
| #endif |
| |
| #define PFX "ixgbe: " |
| #define DPRINTK(nlevel, klevel, fmt, args...) \ |
| ((void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ |
| printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ |
| __func__ , ## args))) |
| |
| /* TX/RX descriptor defines */ |
| #define IXGBE_DEFAULT_TXD 1024 |
| #define IXGBE_MAX_TXD 4096 |
| #define IXGBE_MIN_TXD 64 |
| |
| #define IXGBE_DEFAULT_RXD 1024 |
| #define IXGBE_MAX_RXD 4096 |
| #define IXGBE_MIN_RXD 64 |
| |
| /* flow control */ |
| #define IXGBE_DEFAULT_FCRTL 0x10000 |
| #define IXGBE_MIN_FCRTL 0x40 |
| #define IXGBE_MAX_FCRTL 0x7FF80 |
| #define IXGBE_DEFAULT_FCRTH 0x20000 |
| #define IXGBE_MIN_FCRTH 0x600 |
| #define IXGBE_MAX_FCRTH 0x7FFF0 |
| #define IXGBE_DEFAULT_FCPAUSE 0xFFFF |
| #define IXGBE_MIN_FCPAUSE 0 |
| #define IXGBE_MAX_FCPAUSE 0xFFFF |
| |
| /* Supported Rx Buffer Sizes */ |
| #define IXGBE_RXBUFFER_64 64 /* Used for packet split */ |
| #define IXGBE_RXBUFFER_128 128 /* Used for packet split */ |
| #define IXGBE_RXBUFFER_256 256 /* Used for packet split */ |
| #define IXGBE_RXBUFFER_2048 2048 |
| #define IXGBE_RXBUFFER_4096 4096 |
| #define IXGBE_RXBUFFER_8192 8192 |
| #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ |
| |
| #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256 |
| |
| #define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) |
| |
| /* How many Rx Buffers do we bundle into one write to the hardware ? */ |
| #define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */ |
| |
| #define IXGBE_TX_FLAGS_CSUM (u32)(1) |
| #define IXGBE_TX_FLAGS_VLAN (u32)(1 << 1) |
| #define IXGBE_TX_FLAGS_TSO (u32)(1 << 2) |
| #define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 3) |
| #define IXGBE_TX_FLAGS_FCOE (u32)(1 << 4) |
| #define IXGBE_TX_FLAGS_FSO (u32)(1 << 5) |
| #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000 |
| #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000 |
| #define IXGBE_TX_FLAGS_VLAN_SHIFT 16 |
| |
| /* wrapper around a pointer to a socket buffer, |
| * so a DMA handle can be stored along with the buffer */ |
| struct ixgbe_tx_buffer { |
| struct sk_buff *skb; |
| dma_addr_t dma; |
| unsigned long time_stamp; |
| u16 length; |
| u16 next_to_watch; |
| }; |
| |
| struct ixgbe_rx_buffer { |
| struct sk_buff *skb; |
| dma_addr_t dma; |
| struct page *page; |
| dma_addr_t page_dma; |
| unsigned int page_offset; |
| }; |
| |
| struct ixgbe_queue_stats { |
| u64 packets; |
| u64 bytes; |
| }; |
| |
| struct ixgbe_ring { |
| void *desc; /* descriptor ring memory */ |
| union { |
| struct ixgbe_tx_buffer *tx_buffer_info; |
| struct ixgbe_rx_buffer *rx_buffer_info; |
| }; |
| u8 atr_sample_rate; |
| u8 atr_count; |
| u16 count; /* amount of descriptors */ |
| u16 rx_buf_len; |
| u16 next_to_use; |
| u16 next_to_clean; |
| |
| u8 queue_index; /* needed for multiqueue queue management */ |
| |
| u16 head; |
| u16 tail; |
| |
| unsigned int total_bytes; |
| unsigned int total_packets; |
| |
| #ifdef CONFIG_IXGBE_DCA |
| /* cpu for tx queue */ |
| int cpu; |
| #endif |
| |
| u16 work_limit; /* max work per interrupt */ |
| u16 reg_idx; /* holds the special value that gets |
| * the hardware register offset |
| * associated with this ring, which is |
| * different for DCB and RSS modes |
| */ |
| |
| struct ixgbe_queue_stats stats; |
| unsigned long reinit_state; |
| u64 rsc_count; /* stat for coalesced packets */ |
| |
| unsigned int size; /* length in bytes */ |
| dma_addr_t dma; /* phys. address of descriptor ring */ |
| }; |
| |
| enum ixgbe_ring_f_enum { |
| RING_F_NONE = 0, |
| RING_F_DCB, |
| RING_F_VMDQ, |
| RING_F_RSS, |
| RING_F_FDIR, |
| #ifdef IXGBE_FCOE |
| RING_F_FCOE, |
| #endif /* IXGBE_FCOE */ |
| |
| RING_F_ARRAY_SIZE /* must be last in enum set */ |
| }; |
| |
| #define IXGBE_MAX_DCB_INDICES 8 |
| #define IXGBE_MAX_RSS_INDICES 16 |
| #define IXGBE_MAX_VMDQ_INDICES 16 |
| #define IXGBE_MAX_FDIR_INDICES 64 |
| #ifdef IXGBE_FCOE |
| #define IXGBE_MAX_FCOE_INDICES 8 |
| #endif /* IXGBE_FCOE */ |
| struct ixgbe_ring_feature { |
| int indices; |
| int mask; |
| }; |
| |
| #define MAX_RX_QUEUES 128 |
| #define MAX_TX_QUEUES 128 |
| |
| #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \ |
| ? 8 : 1) |
| #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS |
| |
| /* MAX_MSIX_Q_VECTORS of these are allocated, |
| * but we only use one per queue-specific vector. |
| */ |
| struct ixgbe_q_vector { |
| struct ixgbe_adapter *adapter; |
| unsigned int v_idx; /* index of q_vector within array, also used for |
| * finding the bit in EICR and friends that |
| * represents the vector for this ring */ |
| struct napi_struct napi; |
| DECLARE_BITMAP(rxr_idx, MAX_RX_QUEUES); /* Rx ring indices */ |
| DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES); /* Tx ring indices */ |
| u8 rxr_count; /* Rx ring count assigned to this vector */ |
| u8 txr_count; /* Tx ring count assigned to this vector */ |
| u8 tx_itr; |
| u8 rx_itr; |
| u32 eitr; |
| }; |
| |
| /* Helper macros to switch between ints/sec and what the register uses. |
| * And yes, it's the same math going both ways. The lowest value |
| * supported by all of the ixgbe hardware is 8. |
| */ |
| #define EITR_INTS_PER_SEC_TO_REG(_eitr) \ |
| ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8) |
| #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG |
| |
| #define IXGBE_DESC_UNUSED(R) \ |
| ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ |
| (R)->next_to_clean - (R)->next_to_use - 1) |
| |
| #define IXGBE_RX_DESC_ADV(R, i) \ |
| (&(((union ixgbe_adv_rx_desc *)((R).desc))[i])) |
| #define IXGBE_TX_DESC_ADV(R, i) \ |
| (&(((union ixgbe_adv_tx_desc *)((R).desc))[i])) |
| #define IXGBE_TX_CTXTDESC_ADV(R, i) \ |
| (&(((struct ixgbe_adv_tx_context_desc *)((R).desc))[i])) |
| |
| #define IXGBE_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) |
| #define IXGBE_TX_DESC(R, i) IXGBE_GET_DESC(R, i, ixgbe_legacy_tx_desc) |
| #define IXGBE_RX_DESC(R, i) IXGBE_GET_DESC(R, i, ixgbe_legacy_rx_desc) |
| |
| #define IXGBE_MAX_JUMBO_FRAME_SIZE 16128 |
| #ifdef IXGBE_FCOE |
| /* Use 3K as the baby jumbo frame size for FCoE */ |
| #define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072 |
| #endif /* IXGBE_FCOE */ |
| |
| #define OTHER_VECTOR 1 |
| #define NON_Q_VECTORS (OTHER_VECTOR) |
| |
| #define MAX_MSIX_VECTORS_82599 64 |
| #define MAX_MSIX_Q_VECTORS_82599 64 |
| #define MAX_MSIX_VECTORS_82598 18 |
| #define MAX_MSIX_Q_VECTORS_82598 16 |
| |
| #define MAX_MSIX_Q_VECTORS MAX_MSIX_Q_VECTORS_82599 |
| #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599 |
| |
| #define MIN_MSIX_Q_VECTORS 2 |
| #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS) |
| |
| /* board specific private data structure */ |
| struct ixgbe_adapter { |
| struct timer_list watchdog_timer; |
| struct vlan_group *vlgrp; |
| u16 bd_number; |
| struct work_struct reset_task; |
| struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; |
| char name[MAX_MSIX_COUNT][IFNAMSIZ + 9]; |
| struct ixgbe_dcb_config dcb_cfg; |
| struct ixgbe_dcb_config temp_dcb_cfg; |
| u8 dcb_set_bitmap; |
| enum ixgbe_fc_mode last_lfc_mode; |
| |
| /* Interrupt Throttle Rate */ |
| u32 itr_setting; |
| u16 eitr_low; |
| u16 eitr_high; |
| |
| /* TX */ |
| struct ixgbe_ring *tx_ring; /* One per active queue */ |
| int num_tx_queues; |
| u64 restart_queue; |
| u64 hw_csum_tx_good; |
| u64 lsc_int; |
| u64 hw_tso_ctxt; |
| u64 hw_tso6_ctxt; |
| u32 tx_timeout_count; |
| bool detect_tx_hung; |
| |
| /* RX */ |
| struct ixgbe_ring *rx_ring; /* One per active queue */ |
| int num_rx_queues; |
| u64 hw_csum_rx_error; |
| u64 hw_rx_no_dma_resources; |
| u64 hw_csum_rx_good; |
| u64 non_eop_descs; |
| int num_msix_vectors; |
| int max_msix_q_vectors; /* true count of q_vectors for device */ |
| struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE]; |
| struct msix_entry *msix_entries; |
| |
| u64 rx_hdr_split; |
| u32 alloc_rx_page_failed; |
| u32 alloc_rx_buff_failed; |
| |
| /* Some features need tri-state capability, |
| * thus the additional *_CAPABLE flags. |
| */ |
| u32 flags; |
| #define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1) |
| #define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 1) |
| #define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 2) |
| #define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 3) |
| #define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 4) |
| #define IXGBE_FLAG_RX_1BUF_CAPABLE (u32)(1 << 6) |
| #define IXGBE_FLAG_RX_PS_CAPABLE (u32)(1 << 7) |
| #define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 8) |
| #define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 9) |
| #define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 10) |
| #define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 11) |
| #define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 12) |
| #define IXGBE_FLAG_MQ_CAPABLE (u32)(1 << 13) |
| #define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 14) |
| #define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 16) |
| #define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 17) |
| #define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 18) |
| #define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 19) |
| #define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 20) |
| #define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 22) |
| #define IXGBE_FLAG_IN_WATCHDOG_TASK (u32)(1 << 23) |
| #define IXGBE_FLAG_IN_SFP_LINK_TASK (u32)(1 << 24) |
| #define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 25) |
| #define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 26) |
| #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 27) |
| #define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 29) |
| |
| u32 flags2; |
| #define IXGBE_FLAG2_RSC_CAPABLE (u32)(1) |
| #define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1) |
| /* default to trying for four seconds */ |
| #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ) |
| |
| /* OS defined structs */ |
| struct net_device *netdev; |
| struct pci_dev *pdev; |
| struct net_device_stats net_stats; |
| |
| u32 test_icr; |
| struct ixgbe_ring test_tx_ring; |
| struct ixgbe_ring test_rx_ring; |
| |
| /* structs defined in ixgbe_hw.h */ |
| struct ixgbe_hw hw; |
| u16 msg_enable; |
| struct ixgbe_hw_stats stats; |
| |
| /* Interrupt Throttle Rate */ |
| u32 eitr_param; |
| |
| unsigned long state; |
| u64 tx_busy; |
| unsigned int tx_ring_count; |
| unsigned int rx_ring_count; |
| |
| u32 link_speed; |
| bool link_up; |
| unsigned long link_check_timeout; |
| |
| struct work_struct watchdog_task; |
| struct work_struct sfp_task; |
| struct timer_list sfp_timer; |
| struct work_struct multispeed_fiber_task; |
| struct work_struct sfp_config_module_task; |
| u32 fdir_pballoc; |
| u32 atr_sample_rate; |
| spinlock_t fdir_perfect_lock; |
| struct work_struct fdir_reinit_task; |
| #ifdef IXGBE_FCOE |
| struct ixgbe_fcoe fcoe; |
| #endif /* IXGBE_FCOE */ |
| u64 rsc_count; |
| u32 wol; |
| u16 eeprom_version; |
| }; |
| |
| enum ixbge_state_t { |
| __IXGBE_TESTING, |
| __IXGBE_RESETTING, |
| __IXGBE_DOWN, |
| __IXGBE_FDIR_INIT_DONE, |
| __IXGBE_SFP_MODULE_NOT_FOUND |
| }; |
| |
| enum ixgbe_boards { |
| board_82598, |
| board_82599, |
| }; |
| |
| extern struct ixgbe_info ixgbe_82598_info; |
| extern struct ixgbe_info ixgbe_82599_info; |
| #ifdef CONFIG_IXGBE_DCB |
| extern struct dcbnl_rtnl_ops dcbnl_ops; |
| extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, |
| struct ixgbe_dcb_config *dst_dcb_cfg, |
| int tc_max); |
| #endif |
| |
| extern char ixgbe_driver_name[]; |
| extern const char ixgbe_driver_version[]; |
| |
| extern int ixgbe_up(struct ixgbe_adapter *adapter); |
| extern void ixgbe_down(struct ixgbe_adapter *adapter); |
| extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter); |
| extern void ixgbe_reset(struct ixgbe_adapter *adapter); |
| extern void ixgbe_set_ethtool_ops(struct net_device *netdev); |
| extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *); |
| extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *); |
| extern void ixgbe_free_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *); |
| extern void ixgbe_free_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *); |
| extern void ixgbe_update_stats(struct ixgbe_adapter *adapter); |
| extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter); |
| extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); |
| extern void ixgbe_write_eitr(struct ixgbe_q_vector *); |
| extern int ethtool_ioctl(struct ifreq *ifr); |
| extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); |
| extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc); |
| extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc); |
| extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, |
| struct ixgbe_atr_input *input, |
| u8 queue); |
| extern s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw, |
| struct ixgbe_atr_input *input, |
| u16 soft_id, |
| u8 queue); |
| extern u16 ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input *input, u32 key); |
| extern s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input, |
| u16 vlan_id); |
| extern s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input, |
| u32 src_addr); |
| extern s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input, |
| u32 dst_addr); |
| extern s32 ixgbe_atr_set_src_ipv6_82599(struct ixgbe_atr_input *input, |
| u32 src_addr_1, u32 src_addr_2, |
| u32 src_addr_3, u32 src_addr_4); |
| extern s32 ixgbe_atr_set_dst_ipv6_82599(struct ixgbe_atr_input *input, |
| u32 dst_addr_1, u32 dst_addr_2, |
| u32 dst_addr_3, u32 dst_addr_4); |
| extern s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input, |
| u16 src_port); |
| extern s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input, |
| u16 dst_port); |
| extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input, |
| u16 flex_byte); |
| extern s32 ixgbe_atr_set_vm_pool_82599(struct ixgbe_atr_input *input, |
| u8 vm_pool); |
| extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input, |
| u8 l4type); |
| extern s32 ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input *input, |
| u16 *vlan_id); |
| extern s32 ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input *input, |
| u32 *src_addr); |
| extern s32 ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input *input, |
| u32 *dst_addr); |
| extern s32 ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input *input, |
| u32 *src_addr_1, u32 *src_addr_2, |
| u32 *src_addr_3, u32 *src_addr_4); |
| extern s32 ixgbe_atr_get_dst_ipv6_82599(struct ixgbe_atr_input *input, |
| u32 *dst_addr_1, u32 *dst_addr_2, |
| u32 *dst_addr_3, u32 *dst_addr_4); |
| extern s32 ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input *input, |
| u16 *src_port); |
| extern s32 ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input *input, |
| u16 *dst_port); |
| extern s32 ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input *input, |
| u16 *flex_byte); |
| extern s32 ixgbe_atr_get_vm_pool_82599(struct ixgbe_atr_input *input, |
| u8 *vm_pool); |
| extern s32 ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input *input, |
| u8 *l4type); |
| #ifdef IXGBE_FCOE |
| extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); |
| extern int ixgbe_fso(struct ixgbe_adapter *adapter, |
| struct ixgbe_ring *tx_ring, struct sk_buff *skb, |
| u32 tx_flags, u8 *hdr_len); |
| extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter); |
| extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, |
| union ixgbe_adv_rx_desc *rx_desc, |
| struct sk_buff *skb); |
| extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, |
| struct scatterlist *sgl, unsigned int sgc); |
| extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); |
| #endif /* IXGBE_FCOE */ |
| |
| #endif /* _IXGBE_H_ */ |
