| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Greg Rose | 681 | 40.15% | 6 | 8.11% |
| Emil Tantilov | 437 | 25.77% | 23 | 31.08% |
| Shannon Nelson | 126 | 7.43% | 2 | 2.70% |
| Alexander Duyck | 118 | 6.96% | 11 | 14.86% |
| Tony Nguyen | 79 | 4.66% | 3 | 4.05% |
| Donald Skidmore | 70 | 4.13% | 5 | 6.76% |
| Jacob E Keller | 63 | 3.71% | 3 | 4.05% |
| Mark D Rustad | 31 | 1.83% | 5 | 6.76% |
| K. Y. Srinivasan | 14 | 0.83% | 1 | 1.35% |
| Stephen Hemminger | 13 | 0.77% | 2 | 2.70% |
| Hiroshi Shimamoto | 12 | 0.71% | 1 | 1.35% |
| Jiri Pirko | 12 | 0.71% | 1 | 1.35% |
| Jeff Kirsher | 10 | 0.59% | 4 | 5.41% |
| Vladislav Zolotarov | 8 | 0.47% | 2 | 2.70% |
| Radoslaw Tyl | 8 | 0.47% | 2 | 2.70% |
| Eric Dumazet | 8 | 0.47% | 1 | 1.35% |
| Stefan Assmann | 3 | 0.18% | 1 | 1.35% |
| Slawomir Mrozowicz | 3 | 0.18% | 1 | 1.35% |
| Total | 1696 | 74 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 1999 - 2018 Intel Corporation. */ #ifndef _IXGBEVF_H_ #define _IXGBEVF_H_ #include <linux/types.h> #include <linux/bitops.h> #include <linux/timer.h> #include <linux/io.h> #include <linux/netdevice.h> #include <linux/if_vlan.h> #include <linux/u64_stats_sync.h> #include <net/xdp.h> #include "vf.h" #include "ipsec.h" #define IXGBE_MAX_TXD_PWR 14 #define IXGBE_MAX_DATA_PER_TXD BIT(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 ixgbevf_tx_buffer { union ixgbe_adv_tx_desc *next_to_watch; unsigned long time_stamp; union { struct sk_buff *skb; /* XDP uses address ptr on irq_clean */ void *data; }; unsigned int bytecount; unsigned short gso_segs; __be16 protocol; DEFINE_DMA_UNMAP_ADDR(dma); DEFINE_DMA_UNMAP_LEN(len); u32 tx_flags; }; struct ixgbevf_rx_buffer { dma_addr_t dma; struct page *page; #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536) __u32 page_offset; #else __u16 page_offset; #endif __u16 pagecnt_bias; }; struct ixgbevf_stats { u64 packets; u64 bytes; }; struct ixgbevf_tx_queue_stats { u64 restart_queue; u64 tx_busy; u64 tx_done_old; }; struct ixgbevf_rx_queue_stats { u64 alloc_rx_page_failed; u64 alloc_rx_buff_failed; u64 alloc_rx_page; u64 csum_err; }; enum ixgbevf_ring_state_t { __IXGBEVF_RX_3K_BUFFER, __IXGBEVF_RX_BUILD_SKB_ENABLED, __IXGBEVF_TX_DETECT_HANG, __IXGBEVF_HANG_CHECK_ARMED, __IXGBEVF_TX_XDP_RING, __IXGBEVF_TX_XDP_RING_PRIMED, }; #define ring_is_xdp(ring) \ test_bit(__IXGBEVF_TX_XDP_RING, &(ring)->state) #define set_ring_xdp(ring) \ set_bit(__IXGBEVF_TX_XDP_RING, &(ring)->state) #define clear_ring_xdp(ring) \ clear_bit(__IXGBEVF_TX_XDP_RING, &(ring)->state) struct ixgbevf_ring { struct ixgbevf_ring *next; struct ixgbevf_q_vector *q_vector; /* backpointer to q_vector */ struct net_device *netdev; struct bpf_prog *xdp_prog; struct device *dev; void *desc; /* descriptor ring memory */ dma_addr_t dma; /* phys. address of descriptor ring */ unsigned int size; /* length in bytes */ u16 count; /* amount of descriptors */ u16 next_to_use; u16 next_to_clean; u16 next_to_alloc; union { struct ixgbevf_tx_buffer *tx_buffer_info; struct ixgbevf_rx_buffer *rx_buffer_info; }; unsigned long state; struct ixgbevf_stats stats; struct u64_stats_sync syncp; union { struct ixgbevf_tx_queue_stats tx_stats; struct ixgbevf_rx_queue_stats rx_stats; }; struct xdp_rxq_info xdp_rxq; u64 hw_csum_rx_error; u8 __iomem *tail; struct sk_buff *skb; /* holds the special value that gets the hardware register offset * associated with this ring, which is different for DCB and RSS modes */ u16 reg_idx; int queue_index; /* needed for multiqueue queue management */ } ____cacheline_internodealigned_in_smp; /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IXGBEVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ #define MAX_RX_QUEUES IXGBE_VF_MAX_RX_QUEUES #define MAX_TX_QUEUES IXGBE_VF_MAX_TX_QUEUES #define MAX_XDP_QUEUES IXGBE_VF_MAX_TX_QUEUES #define IXGBEVF_MAX_RSS_QUEUES 2 #define IXGBEVF_82599_RETA_SIZE 128 /* 128 entries */ #define IXGBEVF_X550_VFRETA_SIZE 64 /* 64 entries */ #define IXGBEVF_RSS_HASH_KEY_SIZE 40 #define IXGBEVF_VFRSSRK_REGS 10 /* 10 registers for RSS key */ #define IXGBEVF_DEFAULT_TXD 1024 #define IXGBEVF_DEFAULT_RXD 512 #define IXGBEVF_MAX_TXD 4096 #define IXGBEVF_MIN_TXD 64 #define IXGBEVF_MAX_RXD 4096 #define IXGBEVF_MIN_RXD 64 /* Supported Rx Buffer Sizes */ #define IXGBEVF_RXBUFFER_256 256 /* Used for packet split */ #define IXGBEVF_RXBUFFER_2048 2048 #define IXGBEVF_RXBUFFER_3072 3072 #define IXGBEVF_RX_HDR_SIZE IXGBEVF_RXBUFFER_256 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) #define IXGBEVF_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN) #if (PAGE_SIZE < 8192) #define IXGBEVF_MAX_FRAME_BUILD_SKB \ (SKB_WITH_OVERHEAD(IXGBEVF_RXBUFFER_2048) - IXGBEVF_SKB_PAD) #else #define IXGBEVF_MAX_FRAME_BUILD_SKB IXGBEVF_RXBUFFER_2048 #endif #define IXGBE_TX_FLAGS_CSUM BIT(0) #define IXGBE_TX_FLAGS_VLAN BIT(1) #define IXGBE_TX_FLAGS_TSO BIT(2) #define IXGBE_TX_FLAGS_IPV4 BIT(3) #define IXGBE_TX_FLAGS_IPSEC BIT(4) #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000 #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000 #define IXGBE_TX_FLAGS_VLAN_SHIFT 16 #define ring_uses_large_buffer(ring) \ test_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state) #define set_ring_uses_large_buffer(ring) \ set_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state) #define clear_ring_uses_large_buffer(ring) \ clear_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state) #define ring_uses_build_skb(ring) \ test_bit(__IXGBEVF_RX_BUILD_SKB_ENABLED, &(ring)->state) #define set_ring_build_skb_enabled(ring) \ set_bit(__IXGBEVF_RX_BUILD_SKB_ENABLED, &(ring)->state) #define clear_ring_build_skb_enabled(ring) \ clear_bit(__IXGBEVF_RX_BUILD_SKB_ENABLED, &(ring)->state) static inline unsigned int ixgbevf_rx_bufsz(struct ixgbevf_ring *ring) { #if (PAGE_SIZE < 8192) if (ring_uses_large_buffer(ring)) return IXGBEVF_RXBUFFER_3072; if (ring_uses_build_skb(ring)) return IXGBEVF_MAX_FRAME_BUILD_SKB; #endif return IXGBEVF_RXBUFFER_2048; } static inline unsigned int ixgbevf_rx_pg_order(struct ixgbevf_ring *ring) { #if (PAGE_SIZE < 8192) if (ring_uses_large_buffer(ring)) return 1; #endif return 0; } #define ixgbevf_rx_pg_size(_ring) (PAGE_SIZE << ixgbevf_rx_pg_order(_ring)) #define check_for_tx_hang(ring) \ test_bit(__IXGBEVF_TX_DETECT_HANG, &(ring)->state) #define set_check_for_tx_hang(ring) \ set_bit(__IXGBEVF_TX_DETECT_HANG, &(ring)->state) #define clear_check_for_tx_hang(ring) \ clear_bit(__IXGBEVF_TX_DETECT_HANG, &(ring)->state) struct ixgbevf_ring_container { struct ixgbevf_ring *ring; /* pointer to linked list of rings */ unsigned int total_bytes; /* total bytes processed this int */ unsigned int total_packets; /* total packets processed this int */ u8 count; /* total number of rings in vector */ u8 itr; /* current ITR setting for ring */ }; /* iterator for handling rings in ring container */ #define ixgbevf_for_each_ring(pos, head) \ for (pos = (head).ring; pos != NULL; pos = pos->next) /* MAX_MSIX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ struct ixgbevf_q_vector { struct ixgbevf_adapter *adapter; /* index of q_vector within array, also used for finding the bit in * EICR and friends that represents the vector for this ring */ u16 v_idx; u16 itr; /* Interrupt throttle rate written to EITR */ struct napi_struct napi; struct ixgbevf_ring_container rx, tx; 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 ixgbevf_ring ring[0] ____cacheline_internodealigned_in_smp; #ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define IXGBEVF_QV_STATE_IDLE 0 #define IXGBEVF_QV_STATE_NAPI 1 /* NAPI owns this QV */ #define IXGBEVF_QV_STATE_POLL 2 /* poll owns this QV */ #define IXGBEVF_QV_STATE_DISABLED 4 /* QV is disabled */ #define IXGBEVF_QV_OWNED (IXGBEVF_QV_STATE_NAPI | IXGBEVF_QV_STATE_POLL) #define IXGBEVF_QV_LOCKED (IXGBEVF_QV_OWNED | IXGBEVF_QV_STATE_DISABLED) #define IXGBEVF_QV_STATE_NAPI_YIELD 8 /* NAPI yielded this QV */ #define IXGBEVF_QV_STATE_POLL_YIELD 16 /* poll yielded this QV */ #define IXGBEVF_QV_YIELD (IXGBEVF_QV_STATE_NAPI_YIELD | \ IXGBEVF_QV_STATE_POLL_YIELD) #define IXGBEVF_QV_USER_PEND (IXGBEVF_QV_STATE_POLL | \ IXGBEVF_QV_STATE_POLL_YIELD) spinlock_t lock; #endif /* CONFIG_NET_RX_BUSY_POLL */ }; /* 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 /* 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 /* ixgbevf_test_staterr - tests bits in Rx descriptor status and error fields */ static inline __le32 ixgbevf_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 ixgbevf_desc_unused(struct ixgbevf_ring *ring) { u16 ntc = ring->next_to_clean; u16 ntu = ring->next_to_use; return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1; } static inline void ixgbevf_write_tail(struct ixgbevf_ring *ring, u32 value) { writel(value, ring->tail); } #define IXGBEVF_RX_DESC(R, i) \ (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i])) #define IXGBEVF_TX_DESC(R, i) \ (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i])) #define IXGBEVF_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 */ #define OTHER_VECTOR 1 #define NON_Q_VECTORS (OTHER_VECTOR) #define MAX_MSIX_Q_VECTORS 2 #define MIN_MSIX_Q_VECTORS 1 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS) #define IXGBEVF_RX_DMA_ATTR \ (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING) /* board specific private data structure */ struct ixgbevf_adapter { /* this field must be first, see ixgbevf_process_skb_fields */ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; struct ixgbevf_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; /* Interrupt Throttle Rate */ u16 rx_itr_setting; u16 tx_itr_setting; /* interrupt masks */ u32 eims_enable_mask; u32 eims_other; /* XDP */ int num_xdp_queues; struct ixgbevf_ring *xdp_ring[MAX_XDP_QUEUES]; /* TX */ int num_tx_queues; struct ixgbevf_ring *tx_ring[MAX_TX_QUEUES]; /* One per active queue */ u64 restart_queue; u32 tx_timeout_count; u64 tx_ipsec; /* RX */ int num_rx_queues; struct ixgbevf_ring *rx_ring[MAX_TX_QUEUES]; /* One per active queue */ u64 hw_csum_rx_error; u64 hw_rx_no_dma_resources; int num_msix_vectors; u64 alloc_rx_page_failed; u64 alloc_rx_buff_failed; u64 alloc_rx_page; u64 rx_ipsec; struct msix_entry *msix_entries; /* OS defined structs */ struct net_device *netdev; struct bpf_prog *xdp_prog; struct pci_dev *pdev; /* structs defined in ixgbe_vf.h */ struct ixgbe_hw hw; u16 msg_enable; /* Interrupt Throttle Rate */ u32 eitr_param; struct ixgbevf_hw_stats stats; unsigned long state; u64 tx_busy; unsigned int tx_ring_count; unsigned int xdp_ring_count; unsigned int rx_ring_count; u8 __iomem *io_addr; /* Mainly for iounmap use */ u32 link_speed; bool link_up; struct timer_list service_timer; struct work_struct service_task; spinlock_t mbx_lock; unsigned long last_reset; u32 *rss_key; u8 rss_indir_tbl[IXGBEVF_X550_VFRETA_SIZE]; u32 flags; bool link_state; #define IXGBEVF_FLAGS_LEGACY_RX BIT(1) #ifdef CONFIG_XFRM struct ixgbevf_ipsec *ipsec; #endif /* CONFIG_XFRM */ }; enum ixbgevf_state_t { __IXGBEVF_TESTING, __IXGBEVF_RESETTING, __IXGBEVF_DOWN, __IXGBEVF_DISABLED, __IXGBEVF_REMOVING, __IXGBEVF_SERVICE_SCHED, __IXGBEVF_SERVICE_INITED, __IXGBEVF_RESET_REQUESTED, __IXGBEVF_QUEUE_RESET_REQUESTED, }; enum ixgbevf_boards { board_82599_vf, board_82599_vf_hv, board_X540_vf, board_X540_vf_hv, board_X550_vf, board_X550_vf_hv, board_X550EM_x_vf, board_X550EM_x_vf_hv, board_x550em_a_vf, }; enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_NONE = 0, IXGBEVF_XCAST_MODE_MULTI, IXGBEVF_XCAST_MODE_ALLMULTI, IXGBEVF_XCAST_MODE_PROMISC, }; extern const struct ixgbevf_info ixgbevf_82599_vf_info; extern const struct ixgbevf_info ixgbevf_X540_vf_info; extern const struct ixgbevf_info ixgbevf_X550_vf_info; extern const struct ixgbevf_info ixgbevf_X550EM_x_vf_info; extern const struct ixgbe_mbx_operations ixgbevf_mbx_ops; extern const struct ixgbe_mbx_operations ixgbevf_mbx_ops_legacy; extern const struct ixgbevf_info ixgbevf_x550em_a_vf_info; extern const struct ixgbevf_info ixgbevf_82599_vf_hv_info; extern const struct ixgbevf_info ixgbevf_X540_vf_hv_info; extern const struct ixgbevf_info ixgbevf_X550_vf_hv_info; extern const struct ixgbevf_info ixgbevf_X550EM_x_vf_hv_info; extern const struct ixgbe_mbx_operations ixgbevf_hv_mbx_ops; /* needed by ethtool.c */ extern const char ixgbevf_driver_name[]; int ixgbevf_open(struct net_device *netdev); int ixgbevf_close(struct net_device *netdev); void ixgbevf_up(struct ixgbevf_adapter *adapter); void ixgbevf_down(struct ixgbevf_adapter *adapter); void ixgbevf_reinit_locked(struct ixgbevf_adapter *adapter); void ixgbevf_reset(struct ixgbevf_adapter *adapter); void ixgbevf_set_ethtool_ops(struct net_device *netdev); int ixgbevf_setup_rx_resources(struct ixgbevf_adapter *adapter, struct ixgbevf_ring *rx_ring); int ixgbevf_setup_tx_resources(struct ixgbevf_ring *); void ixgbevf_free_rx_resources(struct ixgbevf_ring *); void ixgbevf_free_tx_resources(struct ixgbevf_ring *); void ixgbevf_update_stats(struct ixgbevf_adapter *adapter); int ethtool_ioctl(struct ifreq *ifr); extern void ixgbevf_write_eitr(struct ixgbevf_q_vector *q_vector); #ifdef CONFIG_IXGBEVF_IPSEC void ixgbevf_init_ipsec_offload(struct ixgbevf_adapter *adapter); void ixgbevf_stop_ipsec_offload(struct ixgbevf_adapter *adapter); void ixgbevf_ipsec_restore(struct ixgbevf_adapter *adapter); void ixgbevf_ipsec_rx(struct ixgbevf_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb); int ixgbevf_ipsec_tx(struct ixgbevf_ring *tx_ring, struct ixgbevf_tx_buffer *first, struct ixgbevf_ipsec_tx_data *itd); #else static inline void ixgbevf_init_ipsec_offload(struct ixgbevf_adapter *adapter) { } static inline void ixgbevf_stop_ipsec_offload(struct ixgbevf_adapter *adapter) { } static inline void ixgbevf_ipsec_restore(struct ixgbevf_adapter *adapter) { } static inline void ixgbevf_ipsec_rx(struct ixgbevf_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb) { } static inline int ixgbevf_ipsec_tx(struct ixgbevf_ring *tx_ring, struct ixgbevf_tx_buffer *first, struct ixgbevf_ipsec_tx_data *itd) { return 0; } #endif /* CONFIG_IXGBEVF_IPSEC */ #define ixgbevf_hw_to_netdev(hw) \ (((struct ixgbevf_adapter *)(hw)->back)->netdev) #define hw_dbg(hw, format, arg...) \ netdev_dbg(ixgbevf_hw_to_netdev(hw), format, ## arg) s32 ixgbevf_poll_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size); s32 ixgbevf_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size); #endif /* _IXGBEVF_H_ */
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