| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alexander Duyck | 1341 | 33.67% | 81 | 34.91% |
| Auke-Jan H Kok | 322 | 8.08% | 2 | 0.86% |
| Jacob E Keller | 305 | 7.66% | 14 | 6.03% |
| Shannon Nelson | 302 | 7.58% | 11 | 4.74% |
| Donald Skidmore | 225 | 5.65% | 13 | 5.60% |
| Yi Zou | 224 | 5.62% | 11 | 4.74% |
| Mark D Rustad | 190 | 4.77% | 11 | 4.74% |
| John Fastabend | 183 | 4.59% | 8 | 3.45% |
| Greg Rose | 160 | 4.02% | 6 | 2.59% |
| Peter P. Waskiewicz Jr | 146 | 3.67% | 11 | 4.74% |
| Jesse Brandeburg | 73 | 1.83% | 10 | 4.31% |
| Ayyappan Veeraiyan | 73 | 1.83% | 3 | 1.29% |
| Björn Töpel | 51 | 1.28% | 2 | 0.86% |
| Catherine Sullivan | 47 | 1.18% | 1 | 0.43% |
| Emil Tantilov | 44 | 1.10% | 7 | 3.02% |
| Joe Perches | 40 | 1.00% | 1 | 0.43% |
| Vladislav Zolotarov | 31 | 0.78% | 3 | 1.29% |
| Jeff Kirsher | 28 | 0.70% | 5 | 2.16% |
| Guenter Roeck | 28 | 0.70% | 1 | 0.43% |
| Neerav Parikh | 19 | 0.48% | 1 | 0.43% |
| Stefan Assmann | 18 | 0.45% | 1 | 0.43% |
| Hiroshi Shimamoto | 18 | 0.45% | 2 | 0.86% |
| Anton Blanchard | 15 | 0.38% | 1 | 0.43% |
| Jesper Dangaard Brouer | 14 | 0.35% | 3 | 1.29% |
| Paul Greenwalt | 13 | 0.33% | 2 | 0.86% |
| Tom Barbette | 9 | 0.23% | 1 | 0.43% |
| Paolo Abeni | 9 | 0.23% | 1 | 0.43% |
| Stephen Douthit | 8 | 0.20% | 1 | 0.43% |
| Jakub Kiciński | 6 | 0.15% | 2 | 0.86% |
| Lior Levy | 6 | 0.15% | 1 | 0.43% |
| Jesse Gross | 6 | 0.15% | 1 | 0.43% |
| Jeb J. Cramer | 5 | 0.13% | 1 | 0.43% |
| Usha Ketineni | 4 | 0.10% | 1 | 0.43% |
| Mallikarjuna R Chilakala | 3 | 0.08% | 1 | 0.43% |
| Eric Dumazet | 3 | 0.08% | 1 | 0.43% |
| Stephen Hemminger | 3 | 0.08% | 3 | 1.29% |
| Jeff Garzik | 3 | 0.08% | 1 | 0.43% |
| Javier Martinez Canillas | 2 | 0.05% | 1 | 0.43% |
| Eliezer Tamir | 2 | 0.05% | 1 | 0.43% |
| Amritha Nambiar | 1 | 0.03% | 1 | 0.43% |
| Richard Cochran | 1 | 0.03% | 1 | 0.43% |
| Tony Nguyen | 1 | 0.03% | 1 | 0.43% |
| Sridhar Samudrala | 1 | 0.03% | 1 | 0.43% |
| Total | 3983 | 232 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 1999 - 2018 Intel Corporation. */ #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 <linux/jiffies.h> #include <linux/phy.h> #include <linux/timecounter.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> #include "ixgbe_type.h" #include "ixgbe_common.h" #include "ixgbe_dcb.h" #if IS_ENABLED(CONFIG_FCOE) #define IXGBE_FCOE #include "ixgbe_fcoe.h" #endif /* IS_ENABLED(CONFIG_FCOE) */ #ifdef CONFIG_IXGBE_DCA #include <linux/dca.h> #endif #include "ixgbe_ipsec.h" #include <net/xdp.h> /* 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_DEFAULT_TX_WORK 256 #define IXGBE_MAX_TXD 4096 #define IXGBE_MIN_TXD 64 #if (PAGE_SIZE < 8192) #define IXGBE_DEFAULT_RXD 512 #else #define IXGBE_DEFAULT_RXD 128 #endif #define IXGBE_MAX_RXD 4096 #define IXGBE_MIN_RXD 64 #define IXGBE_ETH_P_LLDP 0x88CC /* 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_256 256 /* Used for skb receive header */ #define IXGBE_RXBUFFER_1536 1536 #define IXGBE_RXBUFFER_2K 2048 #define IXGBE_RXBUFFER_3K 3072 #define IXGBE_RXBUFFER_4K 4096 #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ /* Attempt to maximize the headroom available for incoming frames. We * use a 2K buffer for receives and need 1536/1534 to store the data for * the frame. This leaves us with 512 bytes of room. From that we need * to deduct the space needed for the shared info and the padding needed * to IP align the frame. * * Note: For cache line sizes 256 or larger this value is going to end * up negative. In these cases we should fall back to the 3K * buffers. */ #if (PAGE_SIZE < 8192) #define IXGBE_MAX_2K_FRAME_BUILD_SKB (IXGBE_RXBUFFER_1536 - NET_IP_ALIGN) #define IXGBE_2K_TOO_SMALL_WITH_PADDING \ ((NET_SKB_PAD + IXGBE_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K)) static inline int ixgbe_compute_pad(int rx_buf_len) { int page_size, pad_size; page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2); pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len; return pad_size; } static inline int ixgbe_skb_pad(void) { int rx_buf_len; /* If a 2K buffer cannot handle a standard Ethernet frame then * optimize padding for a 3K buffer instead of a 1.5K buffer. * * For a 3K buffer we need to add enough padding to allow for * tailroom due to NET_IP_ALIGN possibly shifting us out of * cache-line alignment. */ if (IXGBE_2K_TOO_SMALL_WITH_PADDING) rx_buf_len = IXGBE_RXBUFFER_3K + SKB_DATA_ALIGN(NET_IP_ALIGN); else rx_buf_len = IXGBE_RXBUFFER_1536; /* if needed make room for NET_IP_ALIGN */ rx_buf_len -= NET_IP_ALIGN; return ixgbe_compute_pad(rx_buf_len); } #define IXGBE_SKB_PAD ixgbe_skb_pad() #else #define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN) #endif /* * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we * reserve 64 more, and skb_shared_info adds an additional 320 bytes more, * this adds up to 448 bytes of extra data. * * Since netdev_alloc_skb now allocates a page fragment we can use a value * of 256 and the resultant skb will have a truesize of 960 or less. */ #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256 /* 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_RX_DMA_ATTR \ (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING) enum ixgbe_tx_flags { /* cmd_type flags */ IXGBE_TX_FLAGS_HW_VLAN = 0x01, IXGBE_TX_FLAGS_TSO = 0x02, IXGBE_TX_FLAGS_TSTAMP = 0x04, /* olinfo flags */ IXGBE_TX_FLAGS_CC = 0x08, IXGBE_TX_FLAGS_IPV4 = 0x10, IXGBE_TX_FLAGS_CSUM = 0x20, IXGBE_TX_FLAGS_IPSEC = 0x40, /* software defined flags */ IXGBE_TX_FLAGS_SW_VLAN = 0x80, IXGBE_TX_FLAGS_FCOE = 0x100, }; /* VLAN info */ #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000 #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000 #define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29 #define IXGBE_TX_FLAGS_VLAN_SHIFT 16 #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 IXGBE_MAX_PF_MACVLANS 15 #define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset) #define IXGBE_82599_VF_DEVICE_ID 0x10ED #define IXGBE_X540_VF_DEVICE_ID 0x1515 struct vf_data_storage { struct pci_dev *vfdev; unsigned char vf_mac_addresses[ETH_ALEN]; u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES]; u16 num_vf_mc_hashes; bool clear_to_send; bool pf_set_mac; u16 pf_vlan; /* When set, guest VLAN config not allowed. */ u16 pf_qos; u16 tx_rate; u8 spoofchk_enabled; bool rss_query_enabled; u8 trusted; int xcast_mode; unsigned int vf_api; }; enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_NONE = 0, IXGBEVF_XCAST_MODE_MULTI, IXGBEVF_XCAST_MODE_ALLMULTI, IXGBEVF_XCAST_MODE_PROMISC, }; struct vf_macvlans { struct list_head l; int vf; bool free; bool is_macvlan; u8 vf_macvlan[ETH_ALEN]; }; #define IXGBE_MAX_TXD_PWR 14 #define IXGBE_MAX_DATA_PER_TXD (1u << IXGBE_MAX_TXD_PWR) /* Tx Descriptors needed, worst case */ #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD) #define DESC_NEEDED (MAX_SKB_FRAGS + 4) /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct ixgbe_tx_buffer { union ixgbe_adv_tx_desc *next_to_watch; unsigned long time_stamp; union { struct sk_buff *skb; struct xdp_frame *xdpf; }; unsigned int bytecount; unsigned short gso_segs; __be16 protocol; DEFINE_DMA_UNMAP_ADDR(dma); DEFINE_DMA_UNMAP_LEN(len); u32 tx_flags; }; struct ixgbe_rx_buffer { struct sk_buff *skb; dma_addr_t dma; union { struct { struct page *page; __u32 page_offset; __u16 pagecnt_bias; }; struct { void *addr; u64 handle; }; }; }; struct ixgbe_queue_stats { u64 packets; u64 bytes; }; struct ixgbe_tx_queue_stats { u64 restart_queue; u64 tx_busy; u64 tx_done_old; }; struct ixgbe_rx_queue_stats { u64 rsc_count; u64 rsc_flush; u64 non_eop_descs; u64 alloc_rx_page; u64 alloc_rx_page_failed; u64 alloc_rx_buff_failed; u64 csum_err; }; #define IXGBE_TS_HDR_LEN 8 enum ixgbe_ring_state_t { __IXGBE_RX_3K_BUFFER, __IXGBE_RX_BUILD_SKB_ENABLED, __IXGBE_RX_RSC_ENABLED, __IXGBE_RX_CSUM_UDP_ZERO_ERR, __IXGBE_RX_FCOE, __IXGBE_TX_FDIR_INIT_DONE, __IXGBE_TX_XPS_INIT_DONE, __IXGBE_TX_DETECT_HANG, __IXGBE_HANG_CHECK_ARMED, __IXGBE_TX_XDP_RING, __IXGBE_TX_DISABLED, }; #define ring_uses_build_skb(ring) \ test_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &(ring)->state) struct ixgbe_fwd_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; struct net_device *netdev; unsigned int tx_base_queue; unsigned int rx_base_queue; int pool; }; #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) #define ring_is_xdp(ring) \ test_bit(__IXGBE_TX_XDP_RING, &(ring)->state) #define set_ring_xdp(ring) \ set_bit(__IXGBE_TX_XDP_RING, &(ring)->state) #define clear_ring_xdp(ring) \ clear_bit(__IXGBE_TX_XDP_RING, &(ring)->state) struct ixgbe_ring { struct ixgbe_ring *next; /* pointer to next ring in q_vector */ struct ixgbe_q_vector *q_vector; /* backpointer to host q_vector */ struct net_device *netdev; /* netdev ring belongs to */ struct bpf_prog *xdp_prog; struct device *dev; /* device for DMA mapping */ void *desc; /* descriptor ring memory */ union { struct ixgbe_tx_buffer *tx_buffer_info; struct ixgbe_rx_buffer *rx_buffer_info; }; unsigned long state; u8 __iomem *tail; dma_addr_t dma; /* phys. address of descriptor ring */ unsigned int size; /* length in bytes */ u16 count; /* amount of descriptors */ 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 */ u16 next_to_use; u16 next_to_clean; unsigned long last_rx_timestamp; union { u16 next_to_alloc; struct { u8 atr_sample_rate; u8 atr_count; }; }; u8 dcb_tc; 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; }; struct xdp_rxq_info xdp_rxq; struct xdp_umem *xsk_umem; struct zero_copy_allocator zca; /* ZC allocator anchor */ u16 ring_idx; /* {rx,tx,xdp}_ring back reference idx */ u16 rx_buf_len; } ____cacheline_internodealigned_in_smp; enum ixgbe_ring_f_enum { RING_F_NONE = 0, 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_RSS_INDICES 16 #define IXGBE_MAX_RSS_INDICES_X550 63 #define IXGBE_MAX_VMDQ_INDICES 64 #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */ #define IXGBE_MAX_FCOE_INDICES 8 #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) #define MAX_XDP_QUEUES (IXGBE_MAX_FDIR_INDICES + 1) #define IXGBE_MAX_L2A_QUEUES 4 #define IXGBE_BAD_L2A_QUEUE 3 #define IXGBE_MAX_MACVLANS 63 struct ixgbe_ring_feature { u16 limit; /* upper limit on feature indices */ u16 indices; /* current value of indices */ u16 mask; /* Mask used for feature to ring mapping */ u16 offset; /* offset to start of feature */ } ____cacheline_internodealigned_in_smp; #define IXGBE_82599_VMDQ_8Q_MASK 0x78 #define IXGBE_82599_VMDQ_4Q_MASK 0x7C #define IXGBE_82599_VMDQ_2Q_MASK 0x7E /* * FCoE requires that all Rx buffers be over 2200 bytes in length. Since * this is twice the size of a half page we need to double the page order * for FCoE enabled Rx queues. */ static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring) { if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state)) return IXGBE_RXBUFFER_3K; #if (PAGE_SIZE < 8192) if (ring_uses_build_skb(ring)) return IXGBE_MAX_2K_FRAME_BUILD_SKB; #endif return IXGBE_RXBUFFER_2K; } static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring) { #if (PAGE_SIZE < 8192) if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state)) return 1; #endif return 0; } #define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring)) #define IXGBE_ITR_ADAPTIVE_MIN_INC 2 #define IXGBE_ITR_ADAPTIVE_MIN_USECS 10 #define IXGBE_ITR_ADAPTIVE_MAX_USECS 126 #define IXGBE_ITR_ADAPTIVE_LATENCY 0x80 #define IXGBE_ITR_ADAPTIVE_BULK 0x00 struct ixgbe_ring_container { struct ixgbe_ring *ring; /* pointer to linked list of rings */ unsigned long next_update; /* jiffies value of last update */ unsigned int total_bytes; /* total bytes processed this int */ unsigned int total_packets; /* total packets processed this int */ u16 work_limit; /* total work allowed per interrupt */ u8 count; /* total number of rings in vector */ u8 itr; /* current ITR setting for ring */ }; /* iterator for handling rings in ring container */ #define ixgbe_for_each_ring(pos, head) \ for (pos = (head).ring; pos != NULL; pos = pos->next) #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \ ? 8 : 1) #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS /* MAX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ struct ixgbe_q_vector { struct ixgbe_adapter *adapter; #ifdef CONFIG_IXGBE_DCA int cpu; /* CPU for DCA */ #endif u16 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 */ u16 itr; /* Interrupt throttle rate written to EITR */ struct ixgbe_ring_container rx, tx; struct napi_struct napi; cpumask_t affinity_mask; int numa_node; struct rcu_head rcu; /* to avoid race with update stats on free */ char name[IFNAMSIZ + 9]; /* for dynamic allocation of rings associated with this q_vector */ struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp; }; #ifdef CONFIG_IXGBE_HWMON #define IXGBE_HWMON_TYPE_LOC 0 #define IXGBE_HWMON_TYPE_TEMP 1 #define IXGBE_HWMON_TYPE_CAUTION 2 #define IXGBE_HWMON_TYPE_MAX 3 struct hwmon_attr { struct device_attribute dev_attr; struct ixgbe_hw *hw; struct ixgbe_thermal_diode_data *sensor; char name[12]; }; struct hwmon_buff { struct attribute_group group; const struct attribute_group *groups[2]; struct attribute *attrs[IXGBE_MAX_SENSORS * 4 + 1]; struct hwmon_attr hwmon_list[IXGBE_MAX_SENSORS * 4]; unsigned int n_hwmon; }; #endif /* CONFIG_IXGBE_HWMON */ /* * microsecond values for various ITR rates shifted by 2 to fit itr register * with the first 3 bits reserved 0 */ #define IXGBE_MIN_RSC_ITR 24 #define IXGBE_100K_ITR 40 #define IXGBE_20K_ITR 200 #define IXGBE_12K_ITR 336 /* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */ static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc, const u32 stat_err_bits) { return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits); } static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring) { u16 ntc = ring->next_to_clean; u16 ntu = ring->next_to_use; return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1; } #define IXGBE_RX_DESC(R, i) \ (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i])) #define IXGBE_TX_DESC(R, i) \ (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i])) #define IXGBE_TX_CTXTDESC(R, i) \ (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i])) #define IXGBE_MAX_JUMBO_FRAME_SIZE 9728 /* Maximum Supported Size 9.5KB */ #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_Q_VECTORS_82599 64 #define MAX_MSIX_VECTORS_82598 18 #define MAX_Q_VECTORS_82598 16 struct ixgbe_mac_addr { u8 addr[ETH_ALEN]; u16 pool; u16 state; /* bitmask */ }; #define IXGBE_MAC_STATE_DEFAULT 0x1 #define IXGBE_MAC_STATE_MODIFIED 0x2 #define IXGBE_MAC_STATE_IN_USE 0x4 #define MAX_Q_VECTORS MAX_Q_VECTORS_82599 #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599 #define MIN_MSIX_Q_VECTORS 1 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS) /* default to trying for four seconds */ #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ) #define IXGBE_SFP_POLL_JIFFIES (2 * HZ) /* SFP poll every 2 seconds */ /* board specific private data structure */ struct ixgbe_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; /* OS defined structs */ struct net_device *netdev; struct bpf_prog *xdp_prog; struct pci_dev *pdev; struct mii_bus *mii_bus; unsigned long state; /* Some features need tri-state capability, * thus the additional *_CAPABLE flags. */ u32 flags; #define IXGBE_FLAG_MSI_ENABLED BIT(1) #define IXGBE_FLAG_MSIX_ENABLED BIT(3) #define IXGBE_FLAG_RX_1BUF_CAPABLE BIT(4) #define IXGBE_FLAG_RX_PS_CAPABLE BIT(5) #define IXGBE_FLAG_RX_PS_ENABLED BIT(6) #define IXGBE_FLAG_DCA_ENABLED BIT(8) #define IXGBE_FLAG_DCA_CAPABLE BIT(9) #define IXGBE_FLAG_IMIR_ENABLED BIT(10) #define IXGBE_FLAG_MQ_CAPABLE BIT(11) #define IXGBE_FLAG_DCB_ENABLED BIT(12) #define IXGBE_FLAG_VMDQ_CAPABLE BIT(13) #define IXGBE_FLAG_VMDQ_ENABLED BIT(14) #define IXGBE_FLAG_FAN_FAIL_CAPABLE BIT(15) #define IXGBE_FLAG_NEED_LINK_UPDATE BIT(16) #define IXGBE_FLAG_NEED_LINK_CONFIG BIT(17) #define IXGBE_FLAG_FDIR_HASH_CAPABLE BIT(18) #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE BIT(19) #define IXGBE_FLAG_FCOE_CAPABLE BIT(20) #define IXGBE_FLAG_FCOE_ENABLED BIT(21) #define IXGBE_FLAG_SRIOV_CAPABLE BIT(22) #define IXGBE_FLAG_SRIOV_ENABLED BIT(23) #define IXGBE_FLAG_VXLAN_OFFLOAD_CAPABLE BIT(24) #define IXGBE_FLAG_RX_HWTSTAMP_ENABLED BIT(25) #define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER BIT(26) #define IXGBE_FLAG_DCB_CAPABLE BIT(27) #define IXGBE_FLAG_GENEVE_OFFLOAD_CAPABLE BIT(28) u32 flags2; #define IXGBE_FLAG2_RSC_CAPABLE BIT(0) #define IXGBE_FLAG2_RSC_ENABLED BIT(1) #define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE BIT(2) #define IXGBE_FLAG2_TEMP_SENSOR_EVENT BIT(3) #define IXGBE_FLAG2_SEARCH_FOR_SFP BIT(4) #define IXGBE_FLAG2_SFP_NEEDS_RESET BIT(5) #define IXGBE_FLAG2_FDIR_REQUIRES_REINIT BIT(7) #define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP BIT(8) #define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP BIT(9) #define IXGBE_FLAG2_PTP_PPS_ENABLED BIT(10) #define IXGBE_FLAG2_PHY_INTERRUPT BIT(11) #define IXGBE_FLAG2_UDP_TUN_REREG_NEEDED BIT(12) #define IXGBE_FLAG2_VLAN_PROMISC BIT(13) #define IXGBE_FLAG2_EEE_CAPABLE BIT(14) #define IXGBE_FLAG2_EEE_ENABLED BIT(15) #define IXGBE_FLAG2_RX_LEGACY BIT(16) #define IXGBE_FLAG2_IPSEC_ENABLED BIT(17) #define IXGBE_FLAG2_VF_IPSEC_ENABLED BIT(18) /* Tx fast path data */ int num_tx_queues; u16 tx_itr_setting; u16 tx_work_limit; u64 tx_ipsec; /* Rx fast path data */ int num_rx_queues; u16 rx_itr_setting; u64 rx_ipsec; /* Port number used to identify VXLAN traffic */ __be16 vxlan_port; __be16 geneve_port; /* XDP */ int num_xdp_queues; struct ixgbe_ring *xdp_ring[MAX_XDP_QUEUES]; /* TX */ struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; u64 restart_queue; u64 lsc_int; u32 tx_timeout_count; /* RX */ struct ixgbe_ring *rx_ring[MAX_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 rsc_total_count; u64 rsc_total_flush; u64 non_eop_descs; u32 alloc_rx_page; u32 alloc_rx_page_failed; u32 alloc_rx_buff_failed; struct ixgbe_q_vector *q_vector[MAX_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 hw_tcs; u8 dcb_set_bitmap; u8 dcbx_cap; enum ixgbe_fc_mode last_lfc_mode; int num_q_vectors; /* current number of q_vectors for device */ int max_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 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; u64 tx_busy; unsigned int tx_ring_count; unsigned int xdp_ring_count; unsigned int rx_ring_count; u32 link_speed; bool link_up; unsigned long sfp_poll_time; unsigned long link_check_timeout; struct timer_list service_timer; struct work_struct service_task; struct hlist_head fdir_filter_list; unsigned long fdir_overflow; /* number of times ATR was backed off */ union ixgbe_atr_input fdir_mask; int fdir_filter_count; u32 fdir_pballoc; u32 atr_sample_rate; spinlock_t fdir_perfect_lock; #ifdef IXGBE_FCOE struct ixgbe_fcoe fcoe; #endif /* IXGBE_FCOE */ u8 __iomem *io_addr; /* Mainly for iounmap use */ u32 wol; u16 bridge_mode; char eeprom_id[NVM_VER_SIZE]; u16 eeprom_cap; u32 interrupt_event; u32 led_reg; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_caps; struct work_struct ptp_tx_work; struct sk_buff *ptp_tx_skb; struct hwtstamp_config tstamp_config; unsigned long ptp_tx_start; unsigned long last_overflow_check; unsigned long last_rx_ptp_check; unsigned long last_rx_timestamp; spinlock_t tmreg_lock; struct cyclecounter hw_cc; struct timecounter hw_tc; u32 base_incval; u32 tx_hwtstamp_timeouts; u32 tx_hwtstamp_skipped; u32 rx_hwtstamp_cleared; void (*ptp_setup_sdp)(struct ixgbe_adapter *); /* SR-IOV */ DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); unsigned int num_vfs; struct vf_data_storage *vfinfo; int vf_rate_link_speed; struct vf_macvlans vf_mvs; struct vf_macvlans *mv_list; u32 timer_event_accumulator; u32 vferr_refcount; struct ixgbe_mac_addr *mac_table; struct kobject *info_kobj; #ifdef CONFIG_IXGBE_HWMON struct hwmon_buff *ixgbe_hwmon_buff; #endif /* CONFIG_IXGBE_HWMON */ #ifdef CONFIG_DEBUG_FS struct dentry *ixgbe_dbg_adapter; #endif /*CONFIG_DEBUG_FS*/ u8 default_up; /* Bitmask indicating in use pools */ DECLARE_BITMAP(fwd_bitmask, IXGBE_MAX_MACVLANS + 1); #define IXGBE_MAX_LINK_HANDLE 10 struct ixgbe_jump_table *jump_tables[IXGBE_MAX_LINK_HANDLE]; unsigned long tables; /* maximum number of RETA entries among all devices supported by ixgbe * driver: currently it's x550 device in non-SRIOV mode */ #define IXGBE_MAX_RETA_ENTRIES 512 u8 rss_indir_tbl[IXGBE_MAX_RETA_ENTRIES]; #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */ u32 *rss_key; #ifdef CONFIG_IXGBE_IPSEC struct ixgbe_ipsec *ipsec; #endif /* CONFIG_IXGBE_IPSEC */ /* AF_XDP zero-copy */ struct xdp_umem **xsk_umems; u16 num_xsk_umems_used; u16 num_xsk_umems; }; static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) { switch (adapter->hw.mac.type) { case ixgbe_mac_82598EB: case ixgbe_mac_82599EB: case ixgbe_mac_X540: return IXGBE_MAX_RSS_INDICES; case ixgbe_mac_X550: case ixgbe_mac_X550EM_x: case ixgbe_mac_x550em_a: return IXGBE_MAX_RSS_INDICES_X550; default: return 0; } } struct ixgbe_fdir_filter { struct hlist_node fdir_node; union ixgbe_atr_input filter; u16 sw_idx; u64 action; }; enum ixgbe_state_t { __IXGBE_TESTING, __IXGBE_RESETTING, __IXGBE_DOWN, __IXGBE_DISABLED, __IXGBE_REMOVING, __IXGBE_SERVICE_SCHED, __IXGBE_SERVICE_INITED, __IXGBE_IN_SFP_INIT, __IXGBE_PTP_RUNNING, __IXGBE_PTP_TX_IN_PROGRESS, __IXGBE_RESET_REQUESTED, }; struct ixgbe_cb { union { /* Union defining head/tail partner */ struct sk_buff *head; struct sk_buff *tail; }; dma_addr_t dma; u16 append_cnt; bool page_released; }; #define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb) enum ixgbe_boards { board_82598, board_82599, board_X540, board_X550, board_X550EM_x, board_x550em_x_fw, board_x550em_a, board_x550em_a_fw, }; extern const struct ixgbe_info ixgbe_82598_info; extern const struct ixgbe_info ixgbe_82599_info; extern const struct ixgbe_info ixgbe_X540_info; extern const struct ixgbe_info ixgbe_X550_info; extern const struct ixgbe_info ixgbe_X550EM_x_info; extern const struct ixgbe_info ixgbe_x550em_x_fw_info; extern const struct ixgbe_info ixgbe_x550em_a_info; extern const struct ixgbe_info ixgbe_x550em_a_fw_info; #ifdef CONFIG_IXGBE_DCB extern const struct dcbnl_rtnl_ops ixgbe_dcbnl_ops; #endif extern char ixgbe_driver_name[]; extern const char ixgbe_driver_version[]; #ifdef IXGBE_FCOE extern char ixgbe_default_device_descr[]; #endif /* IXGBE_FCOE */ int ixgbe_open(struct net_device *netdev); int ixgbe_close(struct net_device *netdev); void ixgbe_up(struct ixgbe_adapter *adapter); void ixgbe_down(struct ixgbe_adapter *adapter); void ixgbe_reinit_locked(struct ixgbe_adapter *adapter); void ixgbe_reset(struct ixgbe_adapter *adapter); void ixgbe_set_ethtool_ops(struct net_device *netdev); int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *); int ixgbe_setup_tx_resources(struct ixgbe_ring *); void ixgbe_free_rx_resources(struct ixgbe_ring *); void ixgbe_free_tx_resources(struct ixgbe_ring *); void ixgbe_configure_rx_ring(struct ixgbe_adapter *, struct ixgbe_ring *); void ixgbe_configure_tx_ring(struct ixgbe_adapter *, struct ixgbe_ring *); void ixgbe_disable_rx(struct ixgbe_adapter *adapter); void ixgbe_disable_tx(struct ixgbe_adapter *adapter); void ixgbe_update_stats(struct ixgbe_adapter *adapter); int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter); bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id, u16 subdevice_id); #ifdef CONFIG_PCI_IOV void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter); #endif int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, const u8 *addr, u16 queue); int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, const u8 *addr, u16 queue); void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid); void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *, struct ixgbe_ring *); void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, struct ixgbe_tx_buffer *); void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); void ixgbe_write_eitr(struct ixgbe_q_vector *); int ixgbe_poll(struct napi_struct *napi, int budget); int ethtool_ioctl(struct ifreq *ifr); s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl); s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl); 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); s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw, union ixgbe_atr_input *input_mask); s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw, union ixgbe_atr_input *input, u16 soft_id, u8 queue); s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw, union ixgbe_atr_input *input, u16 soft_id); void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input, union ixgbe_atr_input *mask); int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter, struct ixgbe_fdir_filter *input, u16 sw_idx); void ixgbe_set_rx_mode(struct net_device *netdev); #ifdef CONFIG_IXGBE_DCB void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter); #endif int ixgbe_setup_tc(struct net_device *dev, u8 tc); void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32); void ixgbe_do_reset(struct net_device *netdev); #ifdef CONFIG_IXGBE_HWMON void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter); int ixgbe_sysfs_init(struct ixgbe_adapter *adapter); #endif /* CONFIG_IXGBE_HWMON */ #ifdef IXGBE_FCOE void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); int ixgbe_fso(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first, u8 *hdr_len); int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb); int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, struct scatterlist *sgl, unsigned int sgc); int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid, struct scatterlist *sgl, unsigned int sgc); int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); int ixgbe_setup_fcoe_ddp_resources(struct ixgbe_adapter *adapter); void ixgbe_free_fcoe_ddp_resources(struct ixgbe_adapter *adapter); int ixgbe_fcoe_enable(struct net_device *netdev); int ixgbe_fcoe_disable(struct net_device *netdev); #ifdef CONFIG_IXGBE_DCB u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter); u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up); #endif /* CONFIG_IXGBE_DCB */ int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type); int ixgbe_fcoe_get_hbainfo(struct net_device *netdev, struct netdev_fcoe_hbainfo *info); u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter); #endif /* IXGBE_FCOE */ #ifdef CONFIG_DEBUG_FS void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter); void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter); void ixgbe_dbg_init(void); void ixgbe_dbg_exit(void); #else static inline void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter) {} static inline void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter) {} static inline void ixgbe_dbg_init(void) {} static inline void ixgbe_dbg_exit(void) {} #endif /* CONFIG_DEBUG_FS */ static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring) { return netdev_get_tx_queue(ring->netdev, ring->queue_index); } void ixgbe_ptp_init(struct ixgbe_adapter *adapter); void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter); void ixgbe_ptp_stop(struct ixgbe_adapter *adapter); void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter); void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter); void ixgbe_ptp_tx_hang(struct ixgbe_adapter *adapter); void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *, struct sk_buff *); void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *, struct sk_buff *skb); static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb) { if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_TSIP))) { ixgbe_ptp_rx_pktstamp(rx_ring->q_vector, skb); return; } if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS))) return; ixgbe_ptp_rx_rgtstamp(rx_ring->q_vector, skb); /* Update the last_rx_timestamp timer in order to enable watchdog check * for error case of latched timestamp on a dropped packet. */ rx_ring->last_rx_timestamp = jiffies; } int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr); int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr); void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter); void ixgbe_ptp_reset(struct ixgbe_adapter *adapter); void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter); #ifdef CONFIG_PCI_IOV void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter); #endif netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring); u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter); void ixgbe_store_key(struct ixgbe_adapter *adapter); void ixgbe_store_reta(struct ixgbe_adapter *adapter); s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg, u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm); #ifdef CONFIG_IXGBE_IPSEC void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter); void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter); void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter); void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb); int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first, struct ixgbe_ipsec_tx_data *itd); void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter, u32 vf); int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf); int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf); #else static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { } static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { } static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { } static inline void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb) { } static inline int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first, struct ixgbe_ipsec_tx_data *itd) { return 0; } static inline void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter, u32 vf) { } static inline int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf) { return -EACCES; } static inline int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf) { return -EACCES; } #endif /* CONFIG_IXGBE_IPSEC */ #endif /* _IXGBE_H_ */
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