/* SPDX-License-Identifier: BSD-3-Clause * Copyright 2012 6WIND S.A. * Copyright 2012 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX4_H_ #define RTE_PMD_MLX4_H_ #include #include #include /* Verbs headers do not support -pedantic. */ #ifdef PEDANTIC #pragma GCC diagnostic ignored "-Wpedantic" #endif #include #ifdef PEDANTIC #pragma GCC diagnostic error "-Wpedantic" #endif #include #include #include #include #include #include "mlx4_mr.h" #ifndef IBV_RX_HASH_INNER /** This is not necessarily defined by supported RDMA core versions. */ #define IBV_RX_HASH_INNER (1ull << 31) #endif /* IBV_RX_HASH_INNER */ /** Maximum number of simultaneous MAC addresses. This value is arbitrary. */ #define MLX4_MAX_MAC_ADDRESSES 128 /** Request send completion once in every 64 sends, might be less. */ #define MLX4_PMD_TX_PER_COMP_REQ 64 /** Maximum size for inline data. */ #define MLX4_PMD_MAX_INLINE 0 /** Fixed RSS hash key size in bytes. Cannot be modified. */ #define MLX4_RSS_HASH_KEY_SIZE 40 /** Interrupt alarm timeout value in microseconds. */ #define MLX4_INTR_ALARM_TIMEOUT 100000 /* Maximum packet headers size (L2+L3+L4) for TSO. */ #define MLX4_MAX_TSO_HEADER 192 /** Port parameter. */ #define MLX4_PMD_PORT_KVARG "port" /** Enable extending memsegs when creating a MR. */ #define MLX4_MR_EXT_MEMSEG_EN_KVARG "mr_ext_memseg_en" enum { PCI_VENDOR_ID_MELLANOX = 0x15b3, }; enum { PCI_DEVICE_ID_MELLANOX_CONNECTX3 = 0x1003, PCI_DEVICE_ID_MELLANOX_CONNECTX3VF = 0x1004, PCI_DEVICE_ID_MELLANOX_CONNECTX3PRO = 0x1007, }; /* Request types for IPC. */ enum mlx4_mp_req_type { MLX4_MP_REQ_VERBS_CMD_FD = 1, MLX4_MP_REQ_CREATE_MR, MLX4_MP_REQ_START_RXTX, MLX4_MP_REQ_STOP_RXTX, }; /* Pameters for IPC. */ struct mlx4_mp_param { enum mlx4_mp_req_type type; int port_id; int result; RTE_STD_C11 union { uintptr_t addr; /* MLX4_MP_REQ_CREATE_MR */ } args; }; /** Request timeout for IPC. */ #define MLX4_MP_REQ_TIMEOUT_SEC 5 /** Key string for IPC. */ #define MLX4_MP_NAME "net_mlx4_mp" /** Driver name reported to lower layers and used in log output. */ #define MLX4_DRIVER_NAME "net_mlx4" struct mlx4_drop; struct mlx4_rss; struct rxq; struct txq; struct rte_flow; /** * Type of object being allocated. */ enum mlx4_verbs_alloc_type { MLX4_VERBS_ALLOC_TYPE_NONE, MLX4_VERBS_ALLOC_TYPE_TX_QUEUE, MLX4_VERBS_ALLOC_TYPE_RX_QUEUE, }; /** * Verbs allocator needs a context to know in the callback which kind of * resources it is allocating. */ struct mlx4_verbs_alloc_ctx { int enabled; enum mlx4_verbs_alloc_type type; /* Kind of object being allocated. */ const void *obj; /* Pointer to the DPDK object. */ }; LIST_HEAD(mlx4_dev_list, mlx4_priv); LIST_HEAD(mlx4_mr_list, mlx4_mr); /* Shared data between primary and secondary processes. */ struct mlx4_shared_data { rte_spinlock_t lock; /* Global spinlock for primary and secondary processes. */ int init_done; /* Whether primary has done initialization. */ unsigned int secondary_cnt; /* Number of secondary processes init'd. */ struct mlx4_dev_list mem_event_cb_list; rte_rwlock_t mem_event_rwlock; }; /* Per-process data structure, not visible to other processes. */ struct mlx4_local_data { int init_done; /* Whether a secondary has done initialization. */ }; extern struct mlx4_shared_data *mlx4_shared_data; /* Per-process private structure. */ struct mlx4_proc_priv { size_t uar_table_sz; /* Size of UAR register table. */ void *uar_table[]; /* Table of UAR registers for each process. */ }; #define MLX4_PROC_PRIV(port_id) \ ((struct mlx4_proc_priv *)rte_eth_devices[port_id].process_private) /** Private data structure. */ struct mlx4_priv { LIST_ENTRY(mlx4_priv) mem_event_cb; /**< Called by memory event callback. */ struct rte_eth_dev_data *dev_data; /* Pointer to device data. */ struct ibv_context *ctx; /**< Verbs context. */ struct ibv_device_attr device_attr; /**< Device properties. */ struct ibv_pd *pd; /**< Protection Domain. */ /* Device properties. */ unsigned int if_index; /**< Associated network device index */ uint16_t mtu; /**< Configured MTU. */ uint8_t port; /**< Physical port number. */ uint32_t started:1; /**< Device started, flows enabled. */ uint32_t vf:1; /**< This is a VF device. */ uint32_t intr_alarm:1; /**< An interrupt alarm is scheduled. */ uint32_t isolated:1; /**< Toggle isolated mode. */ uint32_t rss_init:1; /**< Common RSS context is initialized. */ uint32_t hw_csum:1; /**< Checksum offload is supported. */ uint32_t hw_csum_l2tun:1; /**< Checksum support for L2 tunnels. */ uint32_t hw_fcs_strip:1; /**< FCS stripping toggling is supported. */ uint32_t tso:1; /**< Transmit segmentation offload is supported. */ uint32_t mr_ext_memseg_en:1; /** Whether memseg should be extended for MR creation. */ uint32_t tso_max_payload_sz; /**< Max supported TSO payload size. */ uint32_t hw_rss_max_qps; /**< Max Rx Queues supported by RSS. */ uint64_t hw_rss_sup; /**< Supported RSS hash fields (Verbs format). */ struct rte_intr_handle intr_handle; /**< Port interrupt handle. */ struct mlx4_drop *drop; /**< Shared resources for drop flow rules. */ struct { uint32_t dev_gen; /* Generation number to flush local caches. */ rte_rwlock_t rwlock; /* MR Lock. */ struct mlx4_mr_btree cache; /* Global MR cache table. */ struct mlx4_mr_list mr_list; /* Registered MR list. */ struct mlx4_mr_list mr_free_list; /* Freed MR list. */ } mr; LIST_HEAD(, mlx4_rss) rss; /**< Shared targets for Rx flow rules. */ LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */ struct rte_ether_addr mac[MLX4_MAX_MAC_ADDRESSES]; /**< Configured MAC addresses. Unused entries are zeroed. */ uint32_t mac_mc; /**< Number of trailing multicast entries in mac[]. */ struct mlx4_verbs_alloc_ctx verbs_alloc_ctx; /**< Context for Verbs allocator. */ }; #define PORT_ID(priv) ((priv)->dev_data->port_id) #define ETH_DEV(priv) (&rte_eth_devices[PORT_ID(priv)]) /* mlx4_ethdev.c */ int mlx4_get_ifname(const struct mlx4_priv *priv, char (*ifname)[IF_NAMESIZE]); int mlx4_get_mac(struct mlx4_priv *priv, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]); int mlx4_mtu_get(struct mlx4_priv *priv, uint16_t *mtu); int mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); int mlx4_dev_set_link_down(struct rte_eth_dev *dev); int mlx4_dev_set_link_up(struct rte_eth_dev *dev); int mlx4_promiscuous_enable(struct rte_eth_dev *dev); int mlx4_promiscuous_disable(struct rte_eth_dev *dev); int mlx4_allmulticast_enable(struct rte_eth_dev *dev); int mlx4_allmulticast_disable(struct rte_eth_dev *dev); void mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); int mlx4_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr, uint32_t index, uint32_t vmdq); int mlx4_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr); int mlx4_set_mc_addr_list(struct rte_eth_dev *dev, struct rte_ether_addr *list, uint32_t num); int mlx4_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); int mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); int mlx4_stats_reset(struct rte_eth_dev *dev); int mlx4_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size); int mlx4_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info); int mlx4_link_update(struct rte_eth_dev *dev, int wait_to_complete); int mlx4_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf); int mlx4_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf); const uint32_t *mlx4_dev_supported_ptypes_get(struct rte_eth_dev *dev); int mlx4_is_removed(struct rte_eth_dev *dev); /* mlx4_intr.c */ int mlx4_intr_uninstall(struct mlx4_priv *priv); int mlx4_intr_install(struct mlx4_priv *priv); int mlx4_rxq_intr_enable(struct mlx4_priv *priv); void mlx4_rxq_intr_disable(struct mlx4_priv *priv); int mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx); int mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx); /* mlx4_mp.c */ void mlx4_mp_req_start_rxtx(struct rte_eth_dev *dev); void mlx4_mp_req_stop_rxtx(struct rte_eth_dev *dev); int mlx4_mp_req_mr_create(struct rte_eth_dev *dev, uintptr_t addr); int mlx4_mp_req_verbs_cmd_fd(struct rte_eth_dev *dev); int mlx4_mp_init_primary(void); void mlx4_mp_uninit_primary(void); int mlx4_mp_init_secondary(void); void mlx4_mp_uninit_secondary(void); #endif /* RTE_PMD_MLX4_H_ */