/* 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 … #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 ixgbevf_tx_buffer { … }; struct ixgbevf_rx_buffer { … }; struct ixgbevf_stats { … }; struct ixgbevf_tx_queue_stats { … }; struct ixgbevf_rx_queue_stats { … }; enum ixgbevf_ring_state_t { … }; #define ring_is_xdp(ring) … #define set_ring_xdp(ring) … #define clear_ring_xdp(ring) … struct ixgbevf_ring { … } ____cacheline_internodealigned_in_smp; /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IXGBEVF_RX_BUFFER_WRITE … #define MAX_RX_QUEUES … #define MAX_TX_QUEUES … #define MAX_XDP_QUEUES … #define IXGBEVF_MAX_RSS_QUEUES … #define IXGBEVF_82599_RETA_SIZE … #define IXGBEVF_X550_VFRETA_SIZE … #define IXGBEVF_RSS_HASH_KEY_SIZE … #define IXGBEVF_VFRSSRK_REGS … #define IXGBEVF_DEFAULT_TXD … #define IXGBEVF_DEFAULT_RXD … #define IXGBEVF_MAX_TXD … #define IXGBEVF_MIN_TXD … #define IXGBEVF_MAX_RXD … #define IXGBEVF_MIN_RXD … /* Supported Rx Buffer Sizes */ #define IXGBEVF_RXBUFFER_256 … #define IXGBEVF_RXBUFFER_2048 … #define IXGBEVF_RXBUFFER_3072 … #define IXGBEVF_RX_HDR_SIZE … #define MAXIMUM_ETHERNET_VLAN_SIZE … #define IXGBEVF_SKB_PAD … #if (PAGE_SIZE < 8192) #define IXGBEVF_MAX_FRAME_BUILD_SKB … #else #define IXGBEVF_MAX_FRAME_BUILD_SKB … #endif #define IXGBE_TX_FLAGS_CSUM … #define IXGBE_TX_FLAGS_VLAN … #define IXGBE_TX_FLAGS_TSO … #define IXGBE_TX_FLAGS_IPV4 … #define IXGBE_TX_FLAGS_IPSEC … #define IXGBE_TX_FLAGS_VLAN_MASK … #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK … #define IXGBE_TX_FLAGS_VLAN_SHIFT … #define ring_uses_large_buffer(ring) … #define set_ring_uses_large_buffer(ring) … #define clear_ring_uses_large_buffer(ring) … #define ring_uses_build_skb(ring) … #define set_ring_build_skb_enabled(ring) … #define clear_ring_build_skb_enabled(ring) … static inline unsigned int ixgbevf_rx_bufsz(struct ixgbevf_ring *ring) { … } static inline unsigned int ixgbevf_rx_pg_order(struct ixgbevf_ring *ring) { … } #define ixgbevf_rx_pg_size(_ring) … #define check_for_tx_hang(ring) … #define set_check_for_tx_hang(ring) … #define clear_check_for_tx_hang(ring) … struct ixgbevf_ring_container { … }; /* iterator for handling rings in ring container */ #define ixgbevf_for_each_ring(pos, head) … /* MAX_MSIX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ struct ixgbevf_q_vector { … }; /* 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 … /* 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) … #define EITR_REG_TO_INTS_PER_SEC … /* 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) { … } static inline u16 ixgbevf_desc_unused(struct ixgbevf_ring *ring) { … } static inline void ixgbevf_write_tail(struct ixgbevf_ring *ring, u32 value) { … } #define IXGBEVF_RX_DESC(R, i) … #define IXGBEVF_TX_DESC(R, i) … #define IXGBEVF_TX_CTXTDESC(R, i) … #define IXGBE_MAX_JUMBO_FRAME_SIZE … #define OTHER_VECTOR … #define NON_Q_VECTORS … #define MAX_MSIX_Q_VECTORS … #define MIN_MSIX_Q_VECTORS … #define MIN_MSIX_COUNT … #define IXGBEVF_RX_DMA_ATTR … /* board specific private data structure */ struct ixgbevf_adapter { … }; enum ixbgevf_state_t { … }; enum ixgbevf_boards { … }; enum ixgbevf_xcast_modes { … }; 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) … #define hw_dbg(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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