/* 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/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) … /* TX/RX descriptor defines */ #define IXGBE_DEFAULT_TXD … #define IXGBE_DEFAULT_TX_WORK … #define IXGBE_MAX_TXD_82598 … #define IXGBE_MAX_TXD_82599 … #define IXGBE_MAX_TXD_X540 … #define IXGBE_MAX_TXD_X550 … #define IXGBE_MIN_TXD … #if (PAGE_SIZE < 8192) #define IXGBE_DEFAULT_RXD … #else #define IXGBE_DEFAULT_RXD … #endif #define IXGBE_MAX_RXD_82598 … #define IXGBE_MAX_RXD_82599 … #define IXGBE_MAX_RXD_X540 … #define IXGBE_MAX_RXD_X550 … #define IXGBE_MIN_RXD … /* flow control */ #define IXGBE_MIN_FCRTL … #define IXGBE_MAX_FCRTL … #define IXGBE_MIN_FCRTH … #define IXGBE_MAX_FCRTH … #define IXGBE_DEFAULT_FCPAUSE … #define IXGBE_MIN_FCPAUSE … #define IXGBE_MAX_FCPAUSE … /* Supported Rx Buffer Sizes */ #define IXGBE_RXBUFFER_256 … #define IXGBE_RXBUFFER_1536 … #define IXGBE_RXBUFFER_2K … #define IXGBE_RXBUFFER_3K … #define IXGBE_RXBUFFER_4K … #define IXGBE_MAX_RXBUFFER … #define IXGBE_PKT_HDR_PAD … /* 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 … #define IXGBE_2K_TOO_SMALL_WITH_PADDING … static inline int ixgbe_compute_pad(int rx_buf_len) { … } static inline int ixgbe_skb_pad(void) { … } #define IXGBE_SKB_PAD … #else #define IXGBE_SKB_PAD … #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 … /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IXGBE_RX_BUFFER_WRITE … #define IXGBE_RX_DMA_ATTR … enum ixgbe_tx_flags { … }; /* VLAN info */ #define IXGBE_TX_FLAGS_VLAN_MASK … #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK … #define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT … #define IXGBE_TX_FLAGS_VLAN_SHIFT … #define IXGBE_MAX_VF_MC_ENTRIES … #define IXGBE_MAX_VF_FUNCTIONS … #define IXGBE_MAX_VFTA_ENTRIES … #define MAX_EMULATION_MAC_ADDRS … #define IXGBE_MAX_PF_MACVLANS … #define VMDQ_P(p) … #define IXGBE_82599_VF_DEVICE_ID … #define IXGBE_X540_VF_DEVICE_ID … #define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter) … #define UPDATE_VF_COUNTER_36bit(reg_lsb, reg_msb, last_counter, counter) … struct vf_stats { … }; struct vf_data_storage { … }; enum ixgbevf_xcast_modes { … }; struct vf_macvlans { … }; #define IXGBE_MAX_TXD_PWR … #define IXGBE_MAX_DATA_PER_TXD … /* Tx Descriptors needed, worst case */ #define TXD_USE_COUNT(S) … #define DESC_NEEDED … /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct ixgbe_tx_buffer { … }; struct ixgbe_rx_buffer { … }; struct ixgbe_queue_stats { … }; struct ixgbe_tx_queue_stats { … }; struct ixgbe_rx_queue_stats { … }; #define IXGBE_TS_HDR_LEN … enum ixgbe_ring_state_t { … }; #define ring_uses_build_skb(ring) … struct ixgbe_fwd_adapter { … }; #define check_for_tx_hang(ring) … #define set_check_for_tx_hang(ring) … #define clear_check_for_tx_hang(ring) … #define ring_is_rsc_enabled(ring) … #define set_ring_rsc_enabled(ring) … #define clear_ring_rsc_enabled(ring) … #define ring_is_xdp(ring) … #define set_ring_xdp(ring) … #define clear_ring_xdp(ring) … struct ixgbe_ring { … } ____cacheline_internodealigned_in_smp; enum ixgbe_ring_f_enum { … }; #define IXGBE_MAX_RSS_INDICES … #define IXGBE_MAX_RSS_INDICES_X550 … #define IXGBE_MAX_VMDQ_INDICES … #define IXGBE_MAX_FDIR_INDICES … #define IXGBE_MAX_FCOE_INDICES … #define MAX_RX_QUEUES … #define MAX_TX_QUEUES … #define IXGBE_MAX_XDP_QS … #define IXGBE_MAX_L2A_QUEUES … #define IXGBE_BAD_L2A_QUEUE … #define IXGBE_MAX_MACVLANS … DECLARE_STATIC_KEY_FALSE(ixgbe_xdp_locking_key); struct ixgbe_ring_feature { … } ____cacheline_internodealigned_in_smp; #define IXGBE_82599_VMDQ_8Q_MASK … #define IXGBE_82599_VMDQ_4Q_MASK … #define IXGBE_82599_VMDQ_2Q_MASK … /* * 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) { … } static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring) { … } #define ixgbe_rx_pg_size(_ring) … #define IXGBE_ITR_ADAPTIVE_MIN_INC … #define IXGBE_ITR_ADAPTIVE_MIN_USECS … #define IXGBE_ITR_ADAPTIVE_MAX_USECS … #define IXGBE_ITR_ADAPTIVE_LATENCY … #define IXGBE_ITR_ADAPTIVE_BULK … struct ixgbe_ring_container { … }; /* iterator for handling rings in ring container */ #define ixgbe_for_each_ring(pos, head) … #define MAX_RX_PACKET_BUFFERS … #define MAX_TX_PACKET_BUFFERS … /* MAX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ struct ixgbe_q_vector { … }; #ifdef CONFIG_IXGBE_HWMON #define IXGBE_HWMON_TYPE_LOC … #define IXGBE_HWMON_TYPE_TEMP … #define IXGBE_HWMON_TYPE_CAUTION … #define IXGBE_HWMON_TYPE_MAX … struct hwmon_attr { … }; struct hwmon_buff { … }; #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 … #define IXGBE_100K_ITR … #define IXGBE_20K_ITR … #define IXGBE_12K_ITR … /* 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) { … } static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring) { … } #define IXGBE_RX_DESC(R, i) … #define IXGBE_TX_DESC(R, i) … #define IXGBE_TX_CTXTDESC(R, i) … #define IXGBE_MAX_JUMBO_FRAME_SIZE … #ifdef IXGBE_FCOE /* Use 3K as the baby jumbo frame size for FCoE */ #define IXGBE_FCOE_JUMBO_FRAME_SIZE … #endif /* IXGBE_FCOE */ #define OTHER_VECTOR … #define NON_Q_VECTORS … #define MAX_MSIX_VECTORS_82599 … #define MAX_Q_VECTORS_82599 … #define MAX_MSIX_VECTORS_82598 … #define MAX_Q_VECTORS_82598 … struct ixgbe_mac_addr { … }; #define IXGBE_MAC_STATE_DEFAULT … #define IXGBE_MAC_STATE_MODIFIED … #define IXGBE_MAC_STATE_IN_USE … #define MAX_Q_VECTORS … #define MAX_MSIX_COUNT … #define MIN_MSIX_Q_VECTORS … #define MIN_MSIX_COUNT … /* default to trying for four seconds */ #define IXGBE_TRY_LINK_TIMEOUT … #define IXGBE_SFP_POLL_JIFFIES … #define IXGBE_PRIMARY_ABORT_LIMIT … /* board specific private data structure */ struct ixgbe_adapter { … }; static inline int ixgbe_determine_xdp_q_idx(int cpu) { … } static inline struct ixgbe_ring *ixgbe_determine_xdp_ring(struct ixgbe_adapter *adapter) { … } static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) { … } struct ixgbe_fdir_filter { … }; enum ixgbe_state_t { … }; struct ixgbe_cb { … }; #define IXGBE_CB(skb) … enum ixgbe_boards { … }; 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[]; #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_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); int ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); int ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl); int ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl); int ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, union ixgbe_atr_hash_dword input, union ixgbe_atr_hash_dword common, u8 queue); int ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw, union ixgbe_atr_input *input_mask); int ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw, union ixgbe_atr_input *input, u16 soft_id, u8 queue); int 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); 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) { … } 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) { … } 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); int 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 */ static inline bool ixgbe_enabled_xdp_adapter(struct ixgbe_adapter *adapter) { … } #endif /* _IXGBE_H_ */
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