|  | /******************************************************************************* | 
|  |  | 
|  | Intel 10 Gigabit PCI Express Linux driver | 
|  | Copyright(c) 1999 - 2011 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/bitops.h> | 
|  | #include <linux/types.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/netdevice.h> | 
|  | #include <linux/cpumask.h> | 
|  | #include <linux/aer.h> | 
|  | #include <linux/if_vlan.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 | 
|  |  | 
|  | /* common prefix used by pr_<> macros */ | 
|  | #undef pr_fmt | 
|  | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | 
|  |  | 
|  | /* TX/RX descriptor defines */ | 
|  | #define IXGBE_DEFAULT_TXD		    512 | 
|  | #define IXGBE_MAX_TXD			   4096 | 
|  | #define IXGBE_MIN_TXD			     64 | 
|  |  | 
|  | #define IXGBE_DEFAULT_RXD		    512 | 
|  | #define IXGBE_MAX_RXD			   4096 | 
|  | #define IXGBE_MIN_RXD			     64 | 
|  |  | 
|  | /* flow control */ | 
|  | #define IXGBE_MIN_FCRTL			   0x40 | 
|  | #define IXGBE_MAX_FCRTL			0x7FF80 | 
|  | #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_512   512    /* 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 */ | 
|  |  | 
|  | /* | 
|  | * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN mans we | 
|  | * reserve 2 more, and skb_shared_info adds an additional 384 bytes more, | 
|  | * this adds up to 512 bytes of extra data meaning the smallest allocation | 
|  | * we could have is 1K. | 
|  | * i.e. RXBUFFER_512 --> size-1024 slab | 
|  | */ | 
|  | #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_512 | 
|  |  | 
|  | #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 | 
|  |  | 
|  | #define IXGBE_MAX_RSC_INT_RATE          162760 | 
|  |  | 
|  | #define IXGBE_MAX_VF_MC_ENTRIES         30 | 
|  | #define IXGBE_MAX_VF_FUNCTIONS          64 | 
|  | #define IXGBE_MAX_VFTA_ENTRIES          128 | 
|  | #define MAX_EMULATION_MAC_ADDRS         16 | 
|  | #define VMDQ_P(p)   ((p) + adapter->num_vfs) | 
|  |  | 
|  | struct vf_data_storage { | 
|  | unsigned char vf_mac_addresses[ETH_ALEN]; | 
|  | u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES]; | 
|  | u16 num_vf_mc_hashes; | 
|  | u16 default_vf_vlan_id; | 
|  | u16 vlans_enabled; | 
|  | bool clear_to_send; | 
|  | bool pf_set_mac; | 
|  | u16 pf_vlan; /* When set, guest VLAN config not allowed. */ | 
|  | u16 pf_qos; | 
|  | u16 tx_rate; | 
|  | }; | 
|  |  | 
|  | /* 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; | 
|  | unsigned int bytecount; | 
|  | u16 gso_segs; | 
|  | u8 mapped_as_page; | 
|  | }; | 
|  |  | 
|  | 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_tx_queue_stats { | 
|  | u64 restart_queue; | 
|  | u64 tx_busy; | 
|  | u64 completed; | 
|  | u64 tx_done_old; | 
|  | }; | 
|  |  | 
|  | struct ixgbe_rx_queue_stats { | 
|  | u64 rsc_count; | 
|  | u64 rsc_flush; | 
|  | u64 non_eop_descs; | 
|  | u64 alloc_rx_page_failed; | 
|  | u64 alloc_rx_buff_failed; | 
|  | }; | 
|  |  | 
|  | enum ixbge_ring_state_t { | 
|  | __IXGBE_TX_FDIR_INIT_DONE, | 
|  | __IXGBE_TX_DETECT_HANG, | 
|  | __IXGBE_HANG_CHECK_ARMED, | 
|  | __IXGBE_RX_PS_ENABLED, | 
|  | __IXGBE_RX_RSC_ENABLED, | 
|  | }; | 
|  |  | 
|  | #define ring_is_ps_enabled(ring) \ | 
|  | test_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) | 
|  | #define set_ring_ps_enabled(ring) \ | 
|  | set_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) | 
|  | #define clear_ring_ps_enabled(ring) \ | 
|  | clear_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) | 
|  | #define check_for_tx_hang(ring) \ | 
|  | test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | 
|  | #define set_check_for_tx_hang(ring) \ | 
|  | set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | 
|  | #define clear_check_for_tx_hang(ring) \ | 
|  | clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | 
|  | #define ring_is_rsc_enabled(ring) \ | 
|  | test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | 
|  | #define set_ring_rsc_enabled(ring) \ | 
|  | set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | 
|  | #define clear_ring_rsc_enabled(ring) \ | 
|  | clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | 
|  | struct ixgbe_ring { | 
|  | void *desc;			/* descriptor ring memory */ | 
|  | struct device *dev;             /* device for DMA mapping */ | 
|  | struct net_device *netdev;      /* netdev ring belongs to */ | 
|  | union { | 
|  | struct ixgbe_tx_buffer *tx_buffer_info; | 
|  | struct ixgbe_rx_buffer *rx_buffer_info; | 
|  | }; | 
|  | unsigned long state; | 
|  | 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 */ | 
|  | u8 reg_idx;			/* holds the special value that gets | 
|  | * the hardware register offset | 
|  | * associated with this ring, which is | 
|  | * different for DCB and RSS modes | 
|  | */ | 
|  | u8 dcb_tc; | 
|  |  | 
|  | u16 work_limit;			/* max work per interrupt */ | 
|  |  | 
|  | u8 __iomem *tail; | 
|  |  | 
|  | unsigned int total_bytes; | 
|  | unsigned int total_packets; | 
|  |  | 
|  | struct ixgbe_queue_stats stats; | 
|  | struct u64_stats_sync syncp; | 
|  | union { | 
|  | struct ixgbe_tx_queue_stats tx_stats; | 
|  | struct ixgbe_rx_queue_stats rx_stats; | 
|  | }; | 
|  | int numa_node; | 
|  | unsigned int size;		/* length in bytes */ | 
|  | dma_addr_t dma;			/* phys. address of descriptor ring */ | 
|  | struct rcu_head rcu; | 
|  | struct ixgbe_q_vector *q_vector; /* back-pointer to host q_vector */ | 
|  | } ____cacheline_internodealigned_in_smp; | 
|  |  | 
|  | enum ixgbe_ring_f_enum { | 
|  | RING_F_NONE = 0, | 
|  | RING_F_DCB, | 
|  | RING_F_VMDQ,  /* SR-IOV uses the same ring feature */ | 
|  | 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  64 | 
|  | #define IXGBE_MAX_RSS_INDICES  16 | 
|  | #define IXGBE_MAX_VMDQ_INDICES 64 | 
|  | #define IXGBE_MAX_FDIR_INDICES 64 | 
|  | #ifdef IXGBE_FCOE | 
|  | #define IXGBE_MAX_FCOE_INDICES  8 | 
|  | #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) | 
|  | #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) | 
|  | #else | 
|  | #define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES | 
|  | #define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES | 
|  | #endif /* IXGBE_FCOE */ | 
|  | struct ixgbe_ring_feature { | 
|  | int indices; | 
|  | int mask; | 
|  | } ____cacheline_internodealigned_in_smp; | 
|  |  | 
|  |  | 
|  | #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 */ | 
|  | #ifdef CONFIG_IXGBE_DCA | 
|  | int cpu;	    /* CPU for DCA */ | 
|  | #endif | 
|  | 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; | 
|  | cpumask_var_t affinity_mask; | 
|  | char name[IFNAMSIZ + 9]; | 
|  | }; | 
|  |  | 
|  | /* 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_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; | 
|  | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; | 
|  | u16 bd_number; | 
|  | struct work_struct reset_task; | 
|  | struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; | 
|  |  | 
|  | /* DCB parameters */ | 
|  | struct ieee_pfc *ixgbe_ieee_pfc; | 
|  | struct ieee_ets *ixgbe_ieee_ets; | 
|  | struct ixgbe_dcb_config dcb_cfg; | 
|  | struct ixgbe_dcb_config temp_dcb_cfg; | 
|  | u8 dcb_set_bitmap; | 
|  | u8 dcbx_cap; | 
|  | enum ixgbe_fc_mode last_lfc_mode; | 
|  |  | 
|  | /* Interrupt Throttle Rate */ | 
|  | u32 rx_itr_setting; | 
|  | u32 tx_itr_setting; | 
|  | u16 eitr_low; | 
|  | u16 eitr_high; | 
|  |  | 
|  | /* TX */ | 
|  | struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; | 
|  | int num_tx_queues; | 
|  | u32 tx_timeout_count; | 
|  | bool detect_tx_hung; | 
|  |  | 
|  | u64 restart_queue; | 
|  | u64 lsc_int; | 
|  |  | 
|  | /* RX */ | 
|  | struct ixgbe_ring *rx_ring[MAX_RX_QUEUES] ____cacheline_aligned_in_smp; | 
|  | int num_rx_queues; | 
|  | int num_rx_pools;		/* == num_rx_queues in 82598 */ | 
|  | int num_rx_queues_per_pool;	/* 1 if 82598, can be many if 82599 */ | 
|  | u64 hw_csum_rx_error; | 
|  | u64 hw_rx_no_dma_resources; | 
|  | 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; | 
|  |  | 
|  | 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_SFP_LINK_TASK             (u32)(1 << 23) | 
|  | #define IXGBE_FLAG_IN_SFP_MOD_TASK              (u32)(1 << 24) | 
|  | #define IXGBE_FLAG_FDIR_HASH_CAPABLE            (u32)(1 << 25) | 
|  | #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE         (u32)(1 << 26) | 
|  | #define IXGBE_FLAG_FCOE_CAPABLE                 (u32)(1 << 27) | 
|  | #define IXGBE_FLAG_FCOE_ENABLED                 (u32)(1 << 28) | 
|  | #define IXGBE_FLAG_SRIOV_CAPABLE                (u32)(1 << 29) | 
|  | #define IXGBE_FLAG_SRIOV_ENABLED                (u32)(1 << 30) | 
|  |  | 
|  | u32 flags2; | 
|  | #define IXGBE_FLAG2_RSC_CAPABLE                 (u32)(1) | 
|  | #define IXGBE_FLAG2_RSC_ENABLED                 (u32)(1 << 1) | 
|  | #define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE         (u32)(1 << 2) | 
|  | /* default to trying for four seconds */ | 
|  | #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ) | 
|  |  | 
|  | /* OS defined structs */ | 
|  | struct net_device *netdev; | 
|  | struct pci_dev *pdev; | 
|  |  | 
|  | 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 rx_eitr_param; | 
|  | u32 tx_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_total_count; | 
|  | u64 rsc_total_flush; | 
|  | u32 wol; | 
|  | u16 eeprom_version; | 
|  |  | 
|  | int node; | 
|  | struct work_struct check_overtemp_task; | 
|  | u32 interrupt_event; | 
|  | char lsc_int_name[IFNAMSIZ + 9]; | 
|  |  | 
|  | /* SR-IOV */ | 
|  | DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); | 
|  | unsigned int num_vfs; | 
|  | struct vf_data_storage *vfinfo; | 
|  | int vf_rate_link_speed; | 
|  | }; | 
|  |  | 
|  | enum ixbge_state_t { | 
|  | __IXGBE_TESTING, | 
|  | __IXGBE_RESETTING, | 
|  | __IXGBE_DOWN, | 
|  | __IXGBE_SFP_MODULE_NOT_FOUND | 
|  | }; | 
|  |  | 
|  | struct ixgbe_rsc_cb { | 
|  | dma_addr_t dma; | 
|  | u16 skb_cnt; | 
|  | bool delay_unmap; | 
|  | }; | 
|  | #define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb) | 
|  |  | 
|  | enum ixgbe_boards { | 
|  | board_82598, | 
|  | board_82599, | 
|  | board_X540, | 
|  | }; | 
|  |  | 
|  | extern struct ixgbe_info ixgbe_82598_info; | 
|  | extern struct ixgbe_info ixgbe_82599_info; | 
|  | extern struct ixgbe_info ixgbe_X540_info; | 
|  | #ifdef CONFIG_IXGBE_DCB | 
|  | extern const 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_ring *); | 
|  | extern int ixgbe_setup_tx_resources(struct ixgbe_ring *); | 
|  | extern void ixgbe_free_rx_resources(struct ixgbe_ring *); | 
|  | extern void ixgbe_free_tx_resources(struct ixgbe_ring *); | 
|  | extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); | 
|  | extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); | 
|  | extern void ixgbe_disable_rx_queue(struct ixgbe_adapter *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 netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, | 
|  | struct ixgbe_adapter *, | 
|  | struct ixgbe_ring *); | 
|  | extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, | 
|  | struct ixgbe_tx_buffer *); | 
|  | extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); | 
|  | 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, | 
|  | union ixgbe_atr_hash_dword input, | 
|  | union ixgbe_atr_hash_dword common, | 
|  | u8 queue); | 
|  | extern s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw, | 
|  | union ixgbe_atr_input *input, | 
|  | struct ixgbe_atr_input_masks *input_masks, | 
|  | u16 soft_id, u8 queue); | 
|  | extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, | 
|  | struct ixgbe_ring *ring); | 
|  | extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter, | 
|  | struct ixgbe_ring *ring); | 
|  | extern void ixgbe_set_rx_mode(struct net_device *netdev); | 
|  | extern int ixgbe_setup_tc(struct net_device *dev, u8 tc); | 
|  | #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_target(struct net_device *netdev, u16 xid, | 
|  | struct scatterlist *sgl, unsigned int sgc); | 
|  | extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); | 
|  | extern int ixgbe_fcoe_enable(struct net_device *netdev); | 
|  | extern int ixgbe_fcoe_disable(struct net_device *netdev); | 
|  | #ifdef CONFIG_IXGBE_DCB | 
|  | extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter); | 
|  | extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up); | 
|  | #endif /* CONFIG_IXGBE_DCB */ | 
|  | extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type); | 
|  | #endif /* IXGBE_FCOE */ | 
|  |  | 
|  | #endif /* _IXGBE_H_ */ |