/* SPDX-License-Identifier: BSD-3-Clause * Copyright 2015 6WIND S.A. * Copyright 2015 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX5_H_ #define RTE_PMD_MLX5_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mlx5_defs.h" #include "mlx5_utils.h" #include "mlx5_os.h" #include "mlx5_autoconf.h" enum mlx5_ipool_index { #ifdef HAVE_IBV_FLOW_DV_SUPPORT MLX5_IPOOL_DECAP_ENCAP = 0, /* Pool for encap/decap resource. */ MLX5_IPOOL_PUSH_VLAN, /* Pool for push vlan resource. */ MLX5_IPOOL_TAG, /* Pool for tag resource. */ MLX5_IPOOL_PORT_ID, /* Pool for port id resource. */ MLX5_IPOOL_JUMP, /* Pool for jump resource. */ #endif MLX5_IPOOL_MTR, /* Pool for meter resource. */ MLX5_IPOOL_MCP, /* Pool for metadata resource. */ MLX5_IPOOL_HRXQ, /* Pool for hrxq resource. */ MLX5_IPOOL_MLX5_FLOW, /* Pool for mlx5 flow handle. */ MLX5_IPOOL_RTE_FLOW, /* Pool for rte_flow. */ MLX5_IPOOL_MAX, }; /* * There are three reclaim memory mode supported. * 0(none) means no memory reclaim. * 1(light) means only PMD level reclaim. * 2(aggressive) means both PMD and rdma-core level reclaim. */ enum mlx5_reclaim_mem_mode { MLX5_RCM_NONE, /* Don't reclaim memory. */ MLX5_RCM_LIGHT, /* Reclaim PMD level. */ MLX5_RCM_AGGR, /* Reclaim PMD and rdma-core level. */ }; /* Device attributes used in mlx5 PMD */ struct mlx5_dev_attr { uint64_t device_cap_flags_ex; int max_qp_wr; int max_sge; int max_cq; int max_qp; uint32_t raw_packet_caps; uint32_t max_rwq_indirection_table_size; uint32_t max_tso; uint32_t tso_supported_qpts; uint64_t flags; uint64_t comp_mask; uint32_t sw_parsing_offloads; uint32_t min_single_stride_log_num_of_bytes; uint32_t max_single_stride_log_num_of_bytes; uint32_t min_single_wqe_log_num_of_strides; uint32_t max_single_wqe_log_num_of_strides; uint32_t stride_supported_qpts; uint32_t tunnel_offloads_caps; char fw_ver[64]; }; /** Data associated with devices to spawn. */ struct mlx5_dev_spawn_data { uint32_t ifindex; /**< Network interface index. */ uint32_t max_port; /**< Device maximal port index. */ uint32_t phys_port; /**< Device physical port index. */ int pf_bond; /**< bonding device PF index. < 0 - no bonding */ struct mlx5_switch_info info; /**< Switch information. */ void *phys_dev; /**< Associated physical device. */ struct rte_eth_dev *eth_dev; /**< Associated Ethernet device. */ struct rte_pci_device *pci_dev; /**< Backend PCI device. */ }; /** Key string for IPC. */ #define MLX5_MP_NAME "net_mlx5_mp" LIST_HEAD(mlx5_dev_list, mlx5_dev_ctx_shared); /* Shared data between primary and secondary processes. */ struct mlx5_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 mlx5_dev_list mem_event_cb_list; rte_rwlock_t mem_event_rwlock; }; /* Per-process data structure, not visible to other processes. */ struct mlx5_local_data { int init_done; /* Whether a secondary has done initialization. */ }; extern struct mlx5_shared_data *mlx5_shared_data; /* Dev ops structs */ extern const struct eth_dev_ops mlx5_os_dev_ops; extern const struct eth_dev_ops mlx5_os_dev_sec_ops; extern const struct eth_dev_ops mlx5_os_dev_ops_isolate; struct mlx5_counter_ctrl { /* Name of the counter. */ char dpdk_name[RTE_ETH_XSTATS_NAME_SIZE]; /* Name of the counter on the device table. */ char ctr_name[RTE_ETH_XSTATS_NAME_SIZE]; uint32_t dev:1; /**< Nonzero for dev counters. */ }; struct mlx5_xstats_ctrl { /* Number of device stats. */ uint16_t stats_n; /* Number of device stats identified by PMD. */ uint16_t mlx5_stats_n; /* Index in the device counters table. */ uint16_t dev_table_idx[MLX5_MAX_XSTATS]; uint64_t base[MLX5_MAX_XSTATS]; uint64_t xstats[MLX5_MAX_XSTATS]; uint64_t hw_stats[MLX5_MAX_XSTATS]; struct mlx5_counter_ctrl info[MLX5_MAX_XSTATS]; }; struct mlx5_stats_ctrl { /* Base for imissed counter. */ uint64_t imissed_base; uint64_t imissed; }; /* Default PMD specific parameter value. */ #define MLX5_ARG_UNSET (-1) #define MLX5_LRO_SUPPORTED(dev) \ (((struct mlx5_priv *)((dev)->data->dev_private))->config.lro.supported) /* Maximal size of coalesced segment for LRO is set in chunks of 256 Bytes. */ #define MLX5_LRO_SEG_CHUNK_SIZE 256u /* Maximal size of aggregated LRO packet. */ #define MLX5_MAX_LRO_SIZE (UINT8_MAX * MLX5_LRO_SEG_CHUNK_SIZE) /* LRO configurations structure. */ struct mlx5_lro_config { uint32_t supported:1; /* Whether LRO is supported. */ uint32_t timeout; /* User configuration. */ }; /* * Device configuration structure. * * Merged configuration from: * * - Device capabilities, * - User device parameters disabled features. */ struct mlx5_dev_config { unsigned int hw_csum:1; /* Checksum offload is supported. */ unsigned int hw_vlan_strip:1; /* VLAN stripping is supported. */ unsigned int hw_vlan_insert:1; /* VLAN insertion in WQE is supported. */ unsigned int hw_fcs_strip:1; /* FCS stripping is supported. */ unsigned int hw_padding:1; /* End alignment padding is supported. */ unsigned int vf:1; /* This is a VF. */ unsigned int tunnel_en:1; /* Whether tunnel stateless offloads are supported. */ unsigned int mpls_en:1; /* MPLS over GRE/UDP is enabled. */ unsigned int cqe_comp:1; /* CQE compression is enabled. */ unsigned int cqe_pad:1; /* CQE padding is enabled. */ unsigned int tso:1; /* Whether TSO is supported. */ unsigned int rx_vec_en:1; /* Rx vector is enabled. */ unsigned int mr_ext_memseg_en:1; /* Whether memseg should be extended for MR creation. */ unsigned int l3_vxlan_en:1; /* Enable L3 VXLAN flow creation. */ unsigned int vf_nl_en:1; /* Enable Netlink requests in VF mode. */ unsigned int dv_esw_en:1; /* Enable E-Switch DV flow. */ unsigned int dv_flow_en:1; /* Enable DV flow. */ unsigned int dv_xmeta_en:2; /* Enable extensive flow metadata. */ unsigned int lacp_by_user:1; /* Enable user to manage LACP traffic. */ unsigned int swp:1; /* Tx generic tunnel checksum and TSO offload. */ unsigned int devx:1; /* Whether devx interface is available or not. */ unsigned int dest_tir:1; /* Whether advanced DR API is available. */ unsigned int reclaim_mode:2; /* Memory reclaim mode. */ unsigned int rt_timestamp:1; /* realtime timestamp format. */ unsigned int sys_mem_en:1; /* The default memory allocator. */ unsigned int decap_en:1; /* Whether decap will be used or not. */ struct { unsigned int enabled:1; /* Whether MPRQ is enabled. */ unsigned int stride_num_n; /* Number of strides. */ unsigned int stride_size_n; /* Size of a stride. */ unsigned int min_stride_size_n; /* Min size of a stride. */ unsigned int max_stride_size_n; /* Max size of a stride. */ unsigned int max_memcpy_len; /* Maximum packet size to memcpy Rx packets. */ unsigned int min_rxqs_num; /* Rx queue count threshold to enable MPRQ. */ } mprq; /* Configurations for Multi-Packet RQ. */ int mps; /* Multi-packet send supported mode. */ int dbnc; /* Skip doorbell register write barrier. */ unsigned int flow_prio; /* Number of flow priorities. */ enum modify_reg flow_mreg_c[MLX5_MREG_C_NUM]; /* Availibility of mreg_c's. */ unsigned int tso_max_payload_sz; /* Maximum TCP payload for TSO. */ unsigned int ind_table_max_size; /* Maximum indirection table size. */ unsigned int max_dump_files_num; /* Maximum dump files per queue. */ unsigned int log_hp_size; /* Single hairpin queue data size in total. */ int txqs_inline; /* Queue number threshold for inlining. */ int txq_inline_min; /* Minimal amount of data bytes to inline. */ int txq_inline_max; /* Max packet size for inlining with SEND. */ int txq_inline_mpw; /* Max packet size for inlining with eMPW. */ int tx_pp; /* Timestamp scheduling granularity in nanoseconds. */ int tx_skew; /* Tx scheduling skew between WQE and data on wire. */ struct mlx5_hca_attr hca_attr; /* HCA attributes. */ struct mlx5_lro_config lro; /* LRO configuration. */ }; /** * Type of object being allocated. */ enum mlx5_verbs_alloc_type { MLX5_VERBS_ALLOC_TYPE_NONE, MLX5_VERBS_ALLOC_TYPE_TX_QUEUE, MLX5_VERBS_ALLOC_TYPE_RX_QUEUE, }; /* Structure for VF VLAN workaround. */ struct mlx5_vf_vlan { uint32_t tag:12; uint32_t created:1; }; /** * Verbs allocator needs a context to know in the callback which kind of * resources it is allocating. */ struct mlx5_verbs_alloc_ctx { enum mlx5_verbs_alloc_type type; /* Kind of object being allocated. */ const void *obj; /* Pointer to the DPDK object. */ }; /* Flow drop context necessary due to Verbs API. */ struct mlx5_drop { struct mlx5_hrxq *hrxq; /* Hash Rx queue queue. */ struct mlx5_rxq_obj *rxq; /* Rx queue object. */ }; #define MLX5_COUNTERS_PER_POOL 512 #define MLX5_MAX_PENDING_QUERIES 4 #define MLX5_CNT_CONTAINER_RESIZE 64 #define MLX5_CNT_AGE_OFFSET 0x80000000 #define CNT_SIZE (sizeof(struct mlx5_flow_counter)) #define CNTEXT_SIZE (sizeof(struct mlx5_flow_counter_ext)) #define AGE_SIZE (sizeof(struct mlx5_age_param)) #define MLX5_AGING_TIME_DELAY 7 #define CNT_POOL_TYPE_EXT (1 << 0) #define CNT_POOL_TYPE_AGE (1 << 1) #define IS_EXT_POOL(pool) (((pool)->type) & CNT_POOL_TYPE_EXT) #define IS_AGE_POOL(pool) (((pool)->type) & CNT_POOL_TYPE_AGE) #define MLX_CNT_IS_AGE(counter) ((counter) & MLX5_CNT_AGE_OFFSET ? 1 : 0) #define MLX5_CNT_LEN(pool) \ (CNT_SIZE + \ (IS_AGE_POOL(pool) ? AGE_SIZE : 0) + \ (IS_EXT_POOL(pool) ? CNTEXT_SIZE : 0)) #define MLX5_POOL_GET_CNT(pool, index) \ ((struct mlx5_flow_counter *) \ ((uint8_t *)((pool) + 1) + (index) * (MLX5_CNT_LEN(pool)))) #define MLX5_CNT_ARRAY_IDX(pool, cnt) \ ((int)(((uint8_t *)(cnt) - (uint8_t *)((pool) + 1)) / \ MLX5_CNT_LEN(pool))) /* * The pool index and offset of counter in the pool array makes up the * counter index. In case the counter is from pool 0 and offset 0, it * should plus 1 to avoid index 0, since 0 means invalid counter index * currently. */ #define MLX5_MAKE_CNT_IDX(pi, offset) \ ((pi) * MLX5_COUNTERS_PER_POOL + (offset) + 1) #define MLX5_CNT_TO_CNT_EXT(pool, cnt) \ ((struct mlx5_flow_counter_ext *)\ ((uint8_t *)((cnt) + 1) + \ (IS_AGE_POOL(pool) ? AGE_SIZE : 0))) #define MLX5_GET_POOL_CNT_EXT(pool, offset) \ MLX5_CNT_TO_CNT_EXT(pool, MLX5_POOL_GET_CNT((pool), (offset))) #define MLX5_CNT_TO_AGE(cnt) \ ((struct mlx5_age_param *)((cnt) + 1)) /* * The maximum single counter is 0x800000 as MLX5_CNT_BATCH_OFFSET * defines. The pool size is 512, pool index should never reach * INT16_MAX. */ #define POOL_IDX_INVALID UINT16_MAX struct mlx5_flow_counter_pool; /*age status*/ enum { AGE_FREE, /* Initialized state. */ AGE_CANDIDATE, /* Counter assigned to flows. */ AGE_TMOUT, /* Timeout, wait for rte_flow_get_aged_flows and destroy. */ }; #define MLX5_CNT_CONTAINER(sh, batch, age) (&(sh)->cmng.ccont \ [(batch) * 2 + (age)]) enum { MLX5_CCONT_TYPE_SINGLE, MLX5_CCONT_TYPE_SINGLE_FOR_AGE, MLX5_CCONT_TYPE_BATCH, MLX5_CCONT_TYPE_BATCH_FOR_AGE, MLX5_CCONT_TYPE_MAX, }; /* Counter age parameter. */ struct mlx5_age_param { rte_atomic16_t state; /**< Age state. */ uint16_t port_id; /**< Port id of the counter. */ uint32_t timeout:15; /**< Age timeout in unit of 0.1sec. */ uint32_t expire:16; /**< Expire time(0.1sec) in the future. */ void *context; /**< Flow counter age context. */ }; struct flow_counter_stats { uint64_t hits; uint64_t bytes; }; struct mlx5_flow_counter_pool; /* Generic counters information. */ struct mlx5_flow_counter { TAILQ_ENTRY(mlx5_flow_counter) next; /**< Pointer to the next flow counter structure. */ union { uint64_t hits; /**< Reset value of hits packets. */ struct mlx5_flow_counter_pool *pool; /**< Counter pool. */ }; uint64_t bytes; /**< Reset value of bytes. */ void *action; /**< Pointer to the dv action. */ }; /* Extend counters information for none batch counters. */ struct mlx5_flow_counter_ext { uint32_t shared:1; /**< Share counter ID with other flow rules. */ uint32_t batch: 1; uint32_t skipped:1; /* This counter is skipped or not. */ /**< Whether the counter was allocated by batch command. */ uint32_t ref_cnt:29; /**< Reference counter. */ uint32_t id; /**< User counter ID. */ union { /**< Holds the counters for the rule. */ #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) struct ibv_counter_set *cs; #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45) struct ibv_counters *cs; #endif struct mlx5_devx_obj *dcs; /**< Counter Devx object. */ }; }; TAILQ_HEAD(mlx5_counters, mlx5_flow_counter); /* Generic counter pool structure - query is in pool resolution. */ struct mlx5_flow_counter_pool { TAILQ_ENTRY(mlx5_flow_counter_pool) next; struct mlx5_counters counters[2]; /* Free counter list. */ union { struct mlx5_devx_obj *min_dcs; rte_atomic64_t a64_dcs; }; /* The devx object of the minimum counter ID. */ uint32_t index:28; /* Pool index in container. */ uint32_t type:2; /* Memory type behind the counter array. */ uint32_t skip_cnt:1; /* Pool contains skipped counter. */ volatile uint32_t query_gen:1; /* Query round. */ rte_spinlock_t sl; /* The pool lock. */ struct mlx5_counter_stats_raw *raw; struct mlx5_counter_stats_raw *raw_hw; /* The raw on HW working. */ }; struct mlx5_counter_stats_raw; /* Memory management structure for group of counter statistics raws. */ struct mlx5_counter_stats_mem_mng { LIST_ENTRY(mlx5_counter_stats_mem_mng) next; struct mlx5_counter_stats_raw *raws; struct mlx5_devx_obj *dm; void *umem; }; /* Raw memory structure for the counter statistics values of a pool. */ struct mlx5_counter_stats_raw { LIST_ENTRY(mlx5_counter_stats_raw) next; int min_dcs_id; struct mlx5_counter_stats_mem_mng *mem_mng; volatile struct flow_counter_stats *data; }; TAILQ_HEAD(mlx5_counter_pools, mlx5_flow_counter_pool); /* Container structure for counter pools. */ struct mlx5_pools_container { rte_atomic16_t n_valid; /* Number of valid pools. */ uint16_t n; /* Number of pools. */ uint16_t last_pool_idx; /* Last used pool index */ int min_id; /* The minimum counter ID in the pools. */ int max_id; /* The maximum counter ID in the pools. */ rte_spinlock_t resize_sl; /* The resize lock. */ rte_spinlock_t csl; /* The counter free list lock. */ struct mlx5_counters counters; /* Free counter list. */ struct mlx5_counter_pools pool_list; /* Counter pool list. */ struct mlx5_flow_counter_pool **pools; /* Counter pool array. */ struct mlx5_counter_stats_mem_mng *mem_mng; /* Hold the memory management for the next allocated pools raws. */ }; /* Counter global management structure. */ struct mlx5_flow_counter_mng { struct mlx5_pools_container ccont[MLX5_CCONT_TYPE_MAX]; struct mlx5_counters flow_counters; /* Legacy flow counter list. */ uint8_t pending_queries; uint8_t batch; uint16_t pool_index; uint8_t age; uint8_t query_thread_on; LIST_HEAD(mem_mngs, mlx5_counter_stats_mem_mng) mem_mngs; LIST_HEAD(stat_raws, mlx5_counter_stats_raw) free_stat_raws; }; /* Default miss action resource structure. */ struct mlx5_flow_default_miss_resource { void *action; /* Pointer to the rdma-core action. */ rte_atomic32_t refcnt; /* Default miss action reference counter. */ }; #define MLX5_AGE_EVENT_NEW 1 #define MLX5_AGE_TRIGGER 2 #define MLX5_AGE_SET(age_info, BIT) \ ((age_info)->flags |= (1 << (BIT))) #define MLX5_AGE_GET(age_info, BIT) \ ((age_info)->flags & (1 << (BIT))) #define GET_PORT_AGE_INFO(priv) \ (&((priv)->sh->port[(priv)->dev_port - 1].age_info)) /* Aging information for per port. */ struct mlx5_age_info { uint8_t flags; /*Indicate if is new event or need be trigered*/ struct mlx5_counters aged_counters; /* Aged flow counter list. */ rte_spinlock_t aged_sl; /* Aged flow counter list lock. */ }; /* Per port data of shared IB device. */ struct mlx5_dev_shared_port { uint32_t ih_port_id; uint32_t devx_ih_port_id; /* * Interrupt handler port_id. Used by shared interrupt * handler to find the corresponding rte_eth device * by IB port index. If value is equal or greater * RTE_MAX_ETHPORTS it means there is no subhandler * installed for specified IB port index. */ struct mlx5_age_info age_info; /* Aging information for per port. */ }; /* Table key of the hash organization. */ union mlx5_flow_tbl_key { struct { /* Table ID should be at the lowest address. */ uint32_t table_id; /**< ID of the table. */ uint16_t reserved; /**< must be zero for comparison. */ uint8_t domain; /**< 1 - FDB, 0 - NIC TX/RX. */ uint8_t direction; /**< 1 - egress, 0 - ingress. */ }; uint64_t v64; /**< full 64bits value of key */ }; /* Table structure. */ struct mlx5_flow_tbl_resource { void *obj; /**< Pointer to DR table object. */ rte_atomic32_t refcnt; /**< Reference counter. */ }; #define MLX5_MAX_TABLES UINT16_MAX #define MLX5_FLOW_TABLE_LEVEL_METER (UINT16_MAX - 3) #define MLX5_FLOW_TABLE_LEVEL_SUFFIX (UINT16_MAX - 2) #define MLX5_HAIRPIN_TX_TABLE (UINT16_MAX - 1) /* Reserve the last two tables for metadata register copy. */ #define MLX5_FLOW_MREG_ACT_TABLE_GROUP (MLX5_MAX_TABLES - 1) #define MLX5_FLOW_MREG_CP_TABLE_GROUP (MLX5_MAX_TABLES - 2) /* Tables for metering splits should be added here. */ #define MLX5_MAX_TABLES_EXTERNAL (MLX5_MAX_TABLES - 3) #define MLX5_MAX_TABLES_FDB UINT16_MAX /* ID generation structure. */ struct mlx5_flow_id_pool { uint32_t *free_arr; /**< Pointer to the a array of free values. */ uint32_t base_index; /**< The next index that can be used without any free elements. */ uint32_t *curr; /**< Pointer to the index to pop. */ uint32_t *last; /**< Pointer to the last element in the empty arrray. */ uint32_t max_id; /**< Maximum id can be allocated from the pool. */ }; /* Tx pacing queue structure - for Clock and Rearm queues. */ struct mlx5_txpp_wq { /* Completion Queue related data.*/ struct mlx5_devx_obj *cq; void *cq_umem; union { volatile void *cq_buf; volatile struct mlx5_cqe *cqes; }; volatile uint32_t *cq_dbrec; uint32_t cq_ci:24; uint32_t arm_sn:2; /* Send Queue related data.*/ struct mlx5_devx_obj *sq; void *sq_umem; union { volatile void *sq_buf; volatile struct mlx5_wqe *wqes; }; uint16_t sq_size; /* Number of WQEs in the queue. */ uint16_t sq_ci; /* Next WQE to execute. */ volatile uint32_t *sq_dbrec; }; /* Tx packet pacing internal timestamp. */ struct mlx5_txpp_ts { rte_atomic64_t ci_ts; rte_atomic64_t ts; }; /* Tx packet pacing structure. */ struct mlx5_dev_txpp { pthread_mutex_t mutex; /* Pacing create/destroy mutex. */ uint32_t refcnt; /* Pacing reference counter. */ uint32_t freq; /* Timestamp frequency, Hz. */ uint32_t tick; /* Completion tick duration in nanoseconds. */ uint32_t test; /* Packet pacing test mode. */ int32_t skew; /* Scheduling skew. */ uint32_t eqn; /* Event Queue number. */ struct rte_intr_handle intr_handle; /* Periodic interrupt. */ void *echan; /* Event Channel. */ struct mlx5_txpp_wq clock_queue; /* Clock Queue. */ struct mlx5_txpp_wq rearm_queue; /* Clock Queue. */ void *pp; /* Packet pacing context. */ uint16_t pp_id; /* Packet pacing context index. */ uint16_t ts_n; /* Number of captured timestamps. */ uint16_t ts_p; /* Pointer to statisticks timestamp. */ struct mlx5_txpp_ts *tsa; /* Timestamps sliding window stats. */ struct mlx5_txpp_ts ts; /* Cached completion id/timestamp. */ uint32_t sync_lost:1; /* ci/timestamp synchronization lost. */ /* Statistics counters. */ rte_atomic32_t err_miss_int; /* Missed service interrupt. */ rte_atomic32_t err_rearm_queue; /* Rearm Queue errors. */ rte_atomic32_t err_clock_queue; /* Clock Queue errors. */ rte_atomic32_t err_ts_past; /* Timestamp in the past. */ rte_atomic32_t err_ts_future; /* Timestamp in the distant future. */ }; /* Supported flex parser profile ID. */ enum mlx5_flex_parser_profile_id { MLX5_FLEX_PARSER_ECPRI_0 = 0, MLX5_FLEX_PARSER_MAX = 8, }; /* Sample ID information of flex parser structure. */ struct mlx5_flex_parser_profiles { uint32_t num; /* Actual number of samples. */ uint32_t ids[8]; /* Sample IDs for this profile. */ uint8_t offset[8]; /* Bytes offset of each parser. */ void *obj; /* Flex parser node object. */ }; /* * Shared Infiniband device context for Master/Representors * which belong to same IB device with multiple IB ports. **/ struct mlx5_dev_ctx_shared { LIST_ENTRY(mlx5_dev_ctx_shared) next; uint32_t refcnt; uint32_t devx:1; /* Opened with DV. */ uint32_t max_port; /* Maximal IB device port index. */ void *ctx; /* Verbs/DV/DevX context. */ void *pd; /* Protection Domain. */ uint32_t pdn; /* Protection Domain number. */ uint32_t tdn; /* Transport Domain number. */ char ibdev_name[DEV_SYSFS_NAME_MAX]; /* SYSFS dev name. */ char ibdev_path[DEV_SYSFS_PATH_MAX]; /* SYSFS dev path for secondary */ struct mlx5_dev_attr device_attr; /* Device properties. */ int numa_node; /* Numa node of backing physical device. */ LIST_ENTRY(mlx5_dev_ctx_shared) mem_event_cb; /**< Called by memory event callback. */ struct mlx5_mr_share_cache share_cache; /* Packet pacing related structure. */ struct mlx5_dev_txpp txpp; /* Shared DV/DR flow data section. */ pthread_mutex_t dv_mutex; /* DV context mutex. */ uint32_t dv_meta_mask; /* flow META metadata supported mask. */ uint32_t dv_mark_mask; /* flow MARK metadata supported mask. */ uint32_t dv_regc0_mask; /* available bits of metatada reg_c[0]. */ uint32_t dv_refcnt; /* DV/DR data reference counter. */ void *fdb_domain; /* FDB Direct Rules name space handle. */ void *rx_domain; /* RX Direct Rules name space handle. */ void *tx_domain; /* TX Direct Rules name space handle. */ #ifndef RTE_ARCH_64 rte_spinlock_t uar_lock_cq; /* CQs share a common distinct UAR */ rte_spinlock_t uar_lock[MLX5_UAR_PAGE_NUM_MAX]; /* UAR same-page access control required in 32bit implementations. */ #endif struct mlx5_hlist *flow_tbls; /* Direct Rules tables for FDB, NIC TX+RX */ void *esw_drop_action; /* Pointer to DR E-Switch drop action. */ void *pop_vlan_action; /* Pointer to DR pop VLAN action. */ uint32_t encaps_decaps; /* Encap/decap action indexed memory list. */ struct mlx5_hlist *modify_cmds; struct mlx5_hlist *tag_table; uint32_t port_id_action_list; /* List of port ID actions. */ uint32_t push_vlan_action_list; /* List of push VLAN actions. */ struct mlx5_flow_counter_mng cmng; /* Counters management structure. */ struct mlx5_flow_default_miss_resource default_miss; /* Default miss action resource structure. */ struct mlx5_indexed_pool *ipool[MLX5_IPOOL_MAX]; /* Memory Pool for mlx5 flow resources. */ struct mlx5_l3t_tbl *cnt_id_tbl; /* Shared counter lookup table. */ /* Shared interrupt handler section. */ struct rte_intr_handle intr_handle; /* Interrupt handler for device. */ struct rte_intr_handle intr_handle_devx; /* DEVX interrupt handler. */ void *devx_comp; /* DEVX async comp obj. */ struct mlx5_devx_obj *tis; /* TIS object. */ struct mlx5_devx_obj *td; /* Transport domain. */ struct mlx5_flow_id_pool *flow_id_pool; /* Flow ID pool. */ void *tx_uar; /* Tx/packet pacing shared UAR. */ struct mlx5_flex_parser_profiles fp[MLX5_FLEX_PARSER_MAX]; /* Flex parser profiles information. */ void *devx_rx_uar; /* DevX UAR for Rx. */ struct mlx5_dev_shared_port port[]; /* per device port data array. */ }; /* Per-process private structure. */ struct mlx5_proc_priv { size_t uar_table_sz; /* Size of UAR register table. */ void *uar_table[]; /* Table of UAR registers for each process. */ }; /* MTR profile list. */ TAILQ_HEAD(mlx5_mtr_profiles, mlx5_flow_meter_profile); /* MTR list. */ TAILQ_HEAD(mlx5_flow_meters, mlx5_flow_meter); #define MLX5_PROC_PRIV(port_id) \ ((struct mlx5_proc_priv *)rte_eth_devices[port_id].process_private) /* HW objects operations structure. */ struct mlx5_obj_ops { int (*rxq_obj_modify_vlan_strip)(struct mlx5_rxq_obj *rxq_obj, int on); }; struct mlx5_priv { struct rte_eth_dev_data *dev_data; /* Pointer to device data. */ struct mlx5_dev_ctx_shared *sh; /* Shared device context. */ uint32_t dev_port; /* Device port number. */ struct rte_pci_device *pci_dev; /* Backend PCI device. */ struct rte_ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; /* MAC addresses. */ BITFIELD_DECLARE(mac_own, uint64_t, MLX5_MAX_MAC_ADDRESSES); /* Bit-field of MAC addresses owned by the PMD. */ uint16_t vlan_filter[MLX5_MAX_VLAN_IDS]; /* VLAN filters table. */ unsigned int vlan_filter_n; /* Number of configured VLAN filters. */ /* Device properties. */ uint16_t mtu; /* Configured MTU. */ unsigned int isolated:1; /* Whether isolated mode is enabled. */ unsigned int representor:1; /* Device is a port representor. */ unsigned int master:1; /* Device is a E-Switch master. */ unsigned int dr_shared:1; /* DV/DR data is shared. */ unsigned int txpp_en:1; /* Tx packet pacing enabled. */ unsigned int counter_fallback:1; /* Use counter fallback management. */ unsigned int mtr_en:1; /* Whether support meter. */ unsigned int mtr_reg_share:1; /* Whether support meter REG_C share. */ uint16_t domain_id; /* Switch domain identifier. */ uint16_t vport_id; /* Associated VF vport index (if any). */ uint32_t vport_meta_tag; /* Used for vport index match ove VF LAG. */ uint32_t vport_meta_mask; /* Used for vport index field match mask. */ int32_t representor_id; /* Port representor identifier. */ int32_t pf_bond; /* >=0 means PF index in bonding configuration. */ unsigned int if_index; /* Associated kernel network device index. */ /* RX/TX queues. */ unsigned int rxqs_n; /* RX queues array size. */ unsigned int txqs_n; /* TX queues array size. */ struct mlx5_rxq_data *(*rxqs)[]; /* RX queues. */ struct mlx5_txq_data *(*txqs)[]; /* TX queues. */ struct rte_mempool *mprq_mp; /* Mempool for Multi-Packet RQ. */ struct rte_eth_rss_conf rss_conf; /* RSS configuration. */ unsigned int (*reta_idx)[]; /* RETA index table. */ unsigned int reta_idx_n; /* RETA index size. */ struct mlx5_drop drop_queue; /* Flow drop queues. */ uint32_t flows; /* RTE Flow rules. */ uint32_t ctrl_flows; /* Control flow rules. */ void *inter_flows; /* Intermediate resources for flow creation. */ void *rss_desc; /* Intermediate rss description resources. */ int flow_idx; /* Intermediate device flow index. */ int flow_nested_idx; /* Intermediate device flow index, nested. */ struct mlx5_obj_ops *obj_ops; /* HW objects operations. */ LIST_HEAD(rxq, mlx5_rxq_ctrl) rxqsctrl; /* DPDK Rx queues. */ LIST_HEAD(rxqobj, mlx5_rxq_obj) rxqsobj; /* Verbs/DevX Rx queues. */ uint32_t hrxqs; /* Verbs Hash Rx queues. */ LIST_HEAD(txq, mlx5_txq_ctrl) txqsctrl; /* DPDK Tx queues. */ LIST_HEAD(txqobj, mlx5_txq_obj) txqsobj; /* Verbs/DevX Tx queues. */ /* Indirection tables. */ LIST_HEAD(ind_tables, mlx5_ind_table_obj) ind_tbls; /* Pointer to next element. */ rte_atomic32_t refcnt; /**< Reference counter. */ /**< Verbs modify header action object. */ uint8_t ft_type; /**< Flow table type, Rx or Tx. */ uint8_t max_lro_msg_size; /* Tags resources cache. */ uint32_t link_speed_capa; /* Link speed capabilities. */ struct mlx5_xstats_ctrl xstats_ctrl; /* Extended stats control. */ struct mlx5_stats_ctrl stats_ctrl; /* Stats control. */ struct mlx5_dev_config config; /* Device configuration. */ struct mlx5_verbs_alloc_ctx verbs_alloc_ctx; /* Context for Verbs allocator. */ int nl_socket_rdma; /* Netlink socket (NETLINK_RDMA). */ int nl_socket_route; /* Netlink socket (NETLINK_ROUTE). */ struct mlx5_dbr_page_list dbrpgs; /* Door-bell pages. */ struct mlx5_nl_vlan_vmwa_context *vmwa_context; /* VLAN WA context. */ struct mlx5_flow_id_pool *qrss_id_pool; struct mlx5_hlist *mreg_cp_tbl; /* Hash table of Rx metadata register copy table. */ uint8_t mtr_sfx_reg; /* Meter prefix-suffix flow match REG_C. */ uint8_t mtr_color_reg; /* Meter color match REG_C. */ struct mlx5_mtr_profiles flow_meter_profiles; /* MTR profile list. */ struct mlx5_flow_meters flow_meters; /* MTR list. */ uint8_t skip_default_rss_reta; /* Skip configuration of default reta. */ uint8_t fdb_def_rule; /* Whether fdb jump to table 1 is configured. */ struct mlx5_mp_id mp_id; /* ID of a multi-process process */ LIST_HEAD(fdir, mlx5_fdir_flow) fdir_flows; /* fdir flows. */ }; #define PORT_ID(priv) ((priv)->dev_data->port_id) #define ETH_DEV(priv) (&rte_eth_devices[PORT_ID(priv)]) /* mlx5.c */ int mlx5_getenv_int(const char *); int mlx5_proc_priv_init(struct rte_eth_dev *dev); int mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev, struct rte_eth_udp_tunnel *udp_tunnel); uint16_t mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev); void mlx5_dev_close(struct rte_eth_dev *dev); /* Macro to iterate over all valid ports for mlx5 driver. */ #define MLX5_ETH_FOREACH_DEV(port_id, pci_dev) \ for (port_id = mlx5_eth_find_next(0, pci_dev); \ port_id < RTE_MAX_ETHPORTS; \ port_id = mlx5_eth_find_next(port_id + 1, pci_dev)) int mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs); struct mlx5_dev_ctx_shared * mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn, const struct mlx5_dev_config *config); void mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh); void mlx5_free_table_hash_list(struct mlx5_priv *priv); int mlx5_alloc_table_hash_list(struct mlx5_priv *priv); void mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn, struct mlx5_dev_config *config); void mlx5_set_metadata_mask(struct rte_eth_dev *dev); int mlx5_dev_check_sibling_config(struct mlx5_priv *priv, struct mlx5_dev_config *config); int mlx5_dev_configure(struct rte_eth_dev *dev); int mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info); int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size); int mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu); int mlx5_hairpin_cap_get(struct rte_eth_dev *dev, struct rte_eth_hairpin_cap *cap); bool mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev); int mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev); /* mlx5_ethdev.c */ int mlx5_dev_configure(struct rte_eth_dev *dev); int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size); int mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info); const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev); int mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu); int mlx5_hairpin_cap_get(struct rte_eth_dev *dev, struct rte_eth_hairpin_cap *cap); eth_rx_burst_t mlx5_select_rx_function(struct rte_eth_dev *dev); struct mlx5_priv *mlx5_port_to_eswitch_info(uint16_t port, bool valid); struct mlx5_priv *mlx5_dev_to_eswitch_info(struct rte_eth_dev *dev); int mlx5_dev_configure_rss_reta(struct rte_eth_dev *dev); /* mlx5_ethdev_os.c */ unsigned int mlx5_ifindex(const struct rte_eth_dev *dev); int mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]); int mlx5_get_mtu(struct rte_eth_dev *dev, uint16_t *mtu); int mlx5_set_mtu(struct rte_eth_dev *dev, uint16_t mtu); int mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *clock); int mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete); int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf); int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf); void mlx5_dev_interrupt_handler(void *arg); void mlx5_dev_interrupt_handler_devx(void *arg); int mlx5_set_link_down(struct rte_eth_dev *dev); int mlx5_set_link_up(struct rte_eth_dev *dev); int mlx5_is_removed(struct rte_eth_dev *dev); int mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info); void mlx5_translate_port_name(const char *port_name_in, struct mlx5_switch_info *port_info_out); void mlx5_intr_callback_unregister(const struct rte_intr_handle *handle, rte_intr_callback_fn cb_fn, void *cb_arg); int mlx5_get_module_info(struct rte_eth_dev *dev, struct rte_eth_dev_module_info *modinfo); int mlx5_get_module_eeprom(struct rte_eth_dev *dev, struct rte_dev_eeprom_info *info); int mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name, uint64_t *stat); int mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats); int mlx5_os_get_stats_n(struct rte_eth_dev *dev); void mlx5_os_stats_init(struct rte_eth_dev *dev); /* mlx5_mac.c */ void mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); int mlx5_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac, uint32_t index, uint32_t vmdq); int mlx5_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr); int mlx5_set_mc_addr_list(struct rte_eth_dev *dev, struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr); /* mlx5_rss.c */ int mlx5_rss_hash_update(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf); int mlx5_rss_hash_conf_get(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf); int mlx5_rss_reta_index_resize(struct rte_eth_dev *dev, unsigned int reta_size); int mlx5_dev_rss_reta_query(struct rte_eth_dev *dev, struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size); int mlx5_dev_rss_reta_update(struct rte_eth_dev *dev, struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size); /* mlx5_rxmode.c */ int mlx5_promiscuous_enable(struct rte_eth_dev *dev); int mlx5_promiscuous_disable(struct rte_eth_dev *dev); int mlx5_allmulticast_enable(struct rte_eth_dev *dev); int mlx5_allmulticast_disable(struct rte_eth_dev *dev); /* mlx5_stats.c */ int mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); int mlx5_stats_reset(struct rte_eth_dev *dev); int mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats, unsigned int n); int mlx5_xstats_reset(struct rte_eth_dev *dev); int mlx5_xstats_get_names(struct rte_eth_dev *dev __rte_unused, struct rte_eth_xstat_name *xstats_names, unsigned int n); /* mlx5_vlan.c */ int mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); void mlx5_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on); int mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask); /* mlx5_vlan_os.c */ void mlx5_vlan_vmwa_exit(void *ctx); void mlx5_vlan_vmwa_release(struct rte_eth_dev *dev, struct mlx5_vf_vlan *vf_vlan); void mlx5_vlan_vmwa_acquire(struct rte_eth_dev *dev, struct mlx5_vf_vlan *vf_vlan); void *mlx5_vlan_vmwa_init(struct rte_eth_dev *dev, uint32_t ifindex); /* mlx5_trigger.c */ int mlx5_dev_start(struct rte_eth_dev *dev); void mlx5_dev_stop(struct rte_eth_dev *dev); int mlx5_traffic_enable(struct rte_eth_dev *dev); void mlx5_traffic_disable(struct rte_eth_dev *dev); int mlx5_traffic_restart(struct rte_eth_dev *dev); /* mlx5_flow.c */ int mlx5_flow_discover_mreg_c(struct rte_eth_dev *eth_dev); bool mlx5_flow_ext_mreg_supported(struct rte_eth_dev *dev); void mlx5_flow_print(struct rte_flow *flow); int mlx5_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, const struct rte_flow_item items[], const struct rte_flow_action actions[], struct rte_flow_error *error); struct rte_flow *mlx5_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, const struct rte_flow_item items[], const struct rte_flow_action actions[], struct rte_flow_error *error); int mlx5_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow, struct rte_flow_error *error); void mlx5_flow_list_flush(struct rte_eth_dev *dev, uint32_t *list, bool active); int mlx5_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error); int mlx5_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow, const struct rte_flow_action *action, void *data, struct rte_flow_error *error); int mlx5_flow_isolate(struct rte_eth_dev *dev, int enable, struct rte_flow_error *error); int mlx5_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, enum rte_filter_op filter_op, void *arg); int mlx5_flow_start(struct rte_eth_dev *dev, uint32_t *list); void mlx5_flow_stop(struct rte_eth_dev *dev, uint32_t *list); int mlx5_flow_start_default(struct rte_eth_dev *dev); void mlx5_flow_stop_default(struct rte_eth_dev *dev); void mlx5_flow_alloc_intermediate(struct rte_eth_dev *dev); void mlx5_flow_free_intermediate(struct rte_eth_dev *dev); int mlx5_flow_verify(struct rte_eth_dev *dev); int mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev, uint32_t queue); int mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev, struct rte_flow_item_eth *eth_spec, struct rte_flow_item_eth *eth_mask, struct rte_flow_item_vlan *vlan_spec, struct rte_flow_item_vlan *vlan_mask); int mlx5_ctrl_flow(struct rte_eth_dev *dev, struct rte_flow_item_eth *eth_spec, struct rte_flow_item_eth *eth_mask); int mlx5_flow_lacp_miss(struct rte_eth_dev *dev); struct rte_flow *mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev); int mlx5_flow_create_drop_queue(struct rte_eth_dev *dev); void mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev); void mlx5_flow_async_pool_query_handle(struct mlx5_dev_ctx_shared *sh, uint64_t async_id, int status); void mlx5_set_query_alarm(struct mlx5_dev_ctx_shared *sh); void mlx5_flow_query_alarm(void *arg); uint32_t mlx5_counter_alloc(struct rte_eth_dev *dev); void mlx5_counter_free(struct rte_eth_dev *dev, uint32_t cnt); int mlx5_counter_query(struct rte_eth_dev *dev, uint32_t cnt, bool clear, uint64_t *pkts, uint64_t *bytes); int mlx5_flow_dev_dump(struct rte_eth_dev *dev, FILE *file, struct rte_flow_error *error); void mlx5_flow_rxq_dynf_metadata_set(struct rte_eth_dev *dev); int mlx5_flow_get_aged_flows(struct rte_eth_dev *dev, void **contexts, uint32_t nb_contexts, struct rte_flow_error *error); /* mlx5_mp_os.c */ int mlx5_mp_os_primary_handle(const struct rte_mp_msg *mp_msg, const void *peer); int mlx5_mp_os_secondary_handle(const struct rte_mp_msg *mp_msg, const void *peer); void mlx5_mp_os_req_start_rxtx(struct rte_eth_dev *dev); void mlx5_mp_os_req_stop_rxtx(struct rte_eth_dev *dev); int mlx5_mp_os_req_queue_control(struct rte_eth_dev *dev, uint16_t queue_id, enum mlx5_mp_req_type req_type); /* mlx5_socket.c */ int mlx5_pmd_socket_init(void); /* mlx5_flow_meter.c */ int mlx5_flow_meter_ops_get(struct rte_eth_dev *dev, void *arg); struct mlx5_flow_meter *mlx5_flow_meter_find(struct mlx5_priv *priv, uint32_t meter_id); struct mlx5_flow_meter *mlx5_flow_meter_attach (struct mlx5_priv *priv, uint32_t meter_id, const struct rte_flow_attr *attr, struct rte_flow_error *error); void mlx5_flow_meter_detach(struct mlx5_flow_meter *fm); /* mlx5_os.c */ struct rte_pci_driver; int mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *dev_attr); void mlx5_os_free_shared_dr(struct mlx5_priv *priv); int mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn, const struct mlx5_dev_config *config, struct mlx5_dev_ctx_shared *sh); int mlx5_os_get_pdn(void *pd, uint32_t *pdn); int mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev); void mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh); void mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh); void mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb, mlx5_dereg_mr_t *dereg_mr_cb); void mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); int mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac, uint32_t index); int mlx5_os_vf_mac_addr_modify(struct mlx5_priv *priv, unsigned int iface_idx, struct rte_ether_addr *mac_addr, int vf_index); int mlx5_os_set_promisc(struct rte_eth_dev *dev, int enable); int mlx5_os_set_allmulti(struct rte_eth_dev *dev, int enable); int mlx5_os_set_nonblock_channel_fd(int fd); void mlx5_os_mac_addr_flush(struct rte_eth_dev *dev); /* mlx5_txpp.c */ int mlx5_txpp_start(struct rte_eth_dev *dev); void mlx5_txpp_stop(struct rte_eth_dev *dev); int mlx5_txpp_read_clock(struct rte_eth_dev *dev, uint64_t *timestamp); int mlx5_txpp_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats, unsigned int n, unsigned int n_used); int mlx5_txpp_xstats_reset(struct rte_eth_dev *dev); int mlx5_txpp_xstats_get_names(struct rte_eth_dev *dev, struct rte_eth_xstat_name *xstats_names, unsigned int n, unsigned int n_used); void mlx5_txpp_interrupt_handler(void *cb_arg); /* mlx5_rxtx.c */ eth_tx_burst_t mlx5_select_tx_function(struct rte_eth_dev *dev); #endif /* RTE_PMD_MLX5_H_ */