X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_rxtx.h;h=c02a007c87d34030b5b18d2f0055f067a0511bb7;hb=6f52bd338374e4bd54ff1f872928e53ebdf1108d;hp=0e7b428f8713f4a0f4a974db3d3a8c0a6851a151;hpb=15c80a126dcf0684c7a39272ddb72710cd75c2f9;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h index 0e7b428f87..c02a007c87 100644 --- a/drivers/net/mlx5/mlx5_rxtx.h +++ b/drivers/net/mlx5/mlx5_rxtx.h @@ -10,17 +10,6 @@ #include #include -/* Verbs header. */ -/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ -#ifdef PEDANTIC -#pragma GCC diagnostic ignored "-Wpedantic" -#endif -#include -#include -#ifdef PEDANTIC -#pragma GCC diagnostic error "-Wpedantic" -#endif - #include #include #include @@ -30,17 +19,23 @@ #include #include #include +#include +#include +#include +#include +#include + +#include "mlx5_defs.h" #include "mlx5_utils.h" #include "mlx5.h" -#include "mlx5_mr.h" #include "mlx5_autoconf.h" -#include "mlx5_defs.h" -#include "mlx5_prm.h" -#include "mlx5_glue.h" /* Support tunnel matching. */ -#define MLX5_FLOW_TUNNEL 5 +#define MLX5_FLOW_TUNNEL 10 + +/* Mbuf dynamic flag offset for inline. */ +extern uint64_t rte_net_mlx5_dynf_inline_mask; struct mlx5_rxq_stats { #ifdef MLX5_PMD_SOFT_COUNTERS @@ -75,10 +70,23 @@ struct mlx5_mprq_buf { struct rte_mempool *mp; rte_atomic16_t refcnt; /* Atomically accessed refcnt. */ uint8_t pad[RTE_PKTMBUF_HEADROOM]; /* Headroom for the first packet. */ + struct rte_mbuf_ext_shared_info shinfos[]; + /* + * Shared information per stride. + * More memory will be allocated for the first stride head-room and for + * the strides data. + */ } __rte_cache_aligned; /* Get pointer to the first stride. */ -#define mlx5_mprq_buf_addr(ptr) ((ptr) + 1) +#define mlx5_mprq_buf_addr(ptr, strd_n) (RTE_PTR_ADD((ptr), \ + sizeof(struct mlx5_mprq_buf) + \ + (strd_n) * \ + sizeof(struct rte_mbuf_ext_shared_info) + \ + RTE_PKTMBUF_HEADROOM)) + +#define MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES 6 +#define MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES 9 enum mlx5_rxq_err_state { MLX5_RXQ_ERR_STATE_NO_ERROR = 0, @@ -90,9 +98,10 @@ enum mlx5_rxq_err_state { struct mlx5_rxq_data { unsigned int csum:1; /* Enable checksum offloading. */ unsigned int hw_timestamp:1; /* Enable HW timestamp. */ + unsigned int rt_timestamp:1; /* Realtime timestamp format. */ unsigned int vlan_strip:1; /* Enable VLAN stripping. */ unsigned int crc_present:1; /* CRC must be subtracted. */ - unsigned int sges_n:2; /* Log 2 of SGEs (max buffers per packet). */ + unsigned int sges_n:3; /* Log 2 of SGEs (max buffers per packet). */ unsigned int cqe_n:4; /* Log 2 of CQ elements. */ unsigned int elts_n:4; /* Log 2 of Mbufs. */ unsigned int rss_hash:1; /* RSS hash result is enabled. */ @@ -101,7 +110,9 @@ struct mlx5_rxq_data { unsigned int strd_sz_n:4; /* Log 2 of stride size. */ unsigned int strd_shift_en:1; /* Enable 2bytes shift on a stride. */ unsigned int err_state:2; /* enum mlx5_rxq_err_state. */ - unsigned int :4; /* Remaining bits. */ + unsigned int strd_scatter_en:1; /* Scattered packets from a stride. */ + unsigned int lro:1; /* Enable LRO. */ + unsigned int dynf_meta:1; /* Dynamic metadata is configured. */ volatile uint32_t *rq_db; volatile uint32_t *cq_db; uint16_t port_id; @@ -127,11 +138,12 @@ struct mlx5_rxq_data { struct rte_mempool *mp; struct rte_mempool *mprq_mp; /* Mempool for Multi-Packet RQ. */ struct mlx5_mprq_buf *mprq_repl; /* Stashed mbuf for replenish. */ + struct mlx5_dev_ctx_shared *sh; /* Shared context. */ uint16_t idx; /* Queue index. */ struct mlx5_rxq_stats stats; - uint64_t mbuf_initializer; /* Default rearm_data for vectorized Rx. */ + rte_xmm_t mbuf_initializer; /* Default rearm/flags for vectorized Rx. */ struct rte_mbuf fake_mbuf; /* elts padding for vectorized Rx. */ - void *cq_uar; /* CQ user access region. */ + void *cq_uar; /* Verbs CQ user access region. */ uint32_t cqn; /* CQ number. */ uint8_t cq_arm_sn; /* CQ arm seq number. */ #ifndef RTE_ARCH_64 @@ -139,11 +151,21 @@ struct mlx5_rxq_data { /* CQ (UAR) access lock required for 32bit implementations */ #endif uint32_t tunnel; /* Tunnel information. */ + uint64_t flow_meta_mask; + int32_t flow_meta_offset; } __rte_cache_aligned; enum mlx5_rxq_obj_type { MLX5_RXQ_OBJ_TYPE_IBV, /* mlx5_rxq_obj with ibv_wq. */ MLX5_RXQ_OBJ_TYPE_DEVX_RQ, /* mlx5_rxq_obj with mlx5_devx_rq. */ + MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN, + /* mlx5_rxq_obj with mlx5_devx_rq and hairpin support. */ +}; + +enum mlx5_rxq_type { + MLX5_RXQ_TYPE_STANDARD, /* Standard Rx queue. */ + MLX5_RXQ_TYPE_HAIRPIN, /* Hairpin Rx queue. */ + MLX5_RXQ_TYPE_UNDEFINED, }; /* Verbs/DevX Rx queue elements. */ @@ -151,14 +173,21 @@ struct mlx5_rxq_obj { LIST_ENTRY(mlx5_rxq_obj) next; /* Pointer to the next element. */ rte_atomic32_t refcnt; /* Reference counter. */ struct mlx5_rxq_ctrl *rxq_ctrl; /* Back pointer to parent. */ - struct ibv_cq *cq; /* Completion Queue. */ enum mlx5_rxq_obj_type type; + int fd; /* File descriptor for event channel */ RTE_STD_C11 union { - struct ibv_wq *wq; /* Work Queue. */ - struct mlx5_devx_obj *rq; /* DevX object for Rx Queue. */ + struct { + struct ibv_wq *wq; /* Work Queue. */ + struct ibv_cq *ibv_cq; /* Completion Queue. */ + struct ibv_comp_channel *ibv_channel; + }; + struct { + struct mlx5_devx_obj *rq; /* DevX Rx Queue object. */ + struct mlx5_devx_obj *devx_cq; /* DevX CQ object. */ + struct mlx5dv_devx_event_channel *devx_channel; + }; }; - struct ibv_comp_channel *channel; }; /* RX queue control descriptor. */ @@ -168,12 +197,24 @@ struct mlx5_rxq_ctrl { rte_atomic32_t refcnt; /* Reference counter. */ struct mlx5_rxq_obj *obj; /* Verbs/DevX elements. */ struct mlx5_priv *priv; /* Back pointer to private data. */ + enum mlx5_rxq_type type; /* Rxq type. */ unsigned int socket; /* CPU socket ID for allocations. */ unsigned int irq:1; /* Whether IRQ is enabled. */ + unsigned int rq_dbr_umem_id_valid:1; + unsigned int cq_dbr_umem_id_valid:1; uint32_t flow_mark_n; /* Number of Mark/Flag flows using this Queue. */ uint32_t flow_tunnels_n[MLX5_FLOW_TUNNEL]; /* Tunnels counters. */ uint32_t wqn; /* WQ number. */ uint16_t dump_file_n; /* Number of dump files. */ + uint32_t rq_dbr_umem_id; + uint64_t rq_dbr_offset; + /* Storing RQ door-bell information, needed when freeing door-bell. */ + uint32_t cq_dbr_umem_id; + uint64_t cq_dbr_offset; + /* Storing CQ door-bell information, needed when freeing door-bell. */ + struct mlx5dv_devx_umem *wq_umem; /* WQ buffer registration info. */ + struct mlx5dv_devx_umem *cq_umem; /* CQ buffer registration info. */ + struct rte_eth_hairpin_conf hairpin_conf; /* Hairpin configuration. */ }; enum mlx5_ind_tbl_type { @@ -197,10 +238,14 @@ struct mlx5_ind_table_obj { /* Hash Rx queue. */ struct mlx5_hrxq { - LIST_ENTRY(mlx5_hrxq) next; /* Pointer to the next element. */ + ILIST_ENTRY(uint32_t)next; /* Index to the next element. */ rte_atomic32_t refcnt; /* Reference counter. */ struct mlx5_ind_table_obj *ind_table; /* Indirection table. */ - struct ibv_qp *qp; /* Verbs queue pair. */ + RTE_STD_C11 + union { + struct ibv_qp *qp; /* Verbs queue pair. */ + struct mlx5_devx_obj *tir; /* DevX TIR object. */ + }; #ifdef HAVE_IBV_FLOW_DV_SUPPORT void *action; /* DV QP action pointer. */ #endif @@ -216,6 +261,7 @@ struct mlx5_txq_local { struct rte_mbuf *mbuf; /* first mbuf to process. */ uint16_t pkts_copy; /* packets copied to elts. */ uint16_t pkts_sent; /* packets sent. */ + uint16_t pkts_loop; /* packets sent on loop entry. */ uint16_t elts_free; /* available elts remain. */ uint16_t wqe_free; /* available wqe remain. */ uint16_t mbuf_off; /* data offset in current mbuf. */ @@ -239,9 +285,7 @@ struct mlx5_txq_data { uint16_t wqe_thres; /* WQE threshold to request completion in CQ. */ /* WQ related fields. */ uint16_t cq_ci; /* Consumer index for completion queue. */ -#ifndef NDEBUG - uint16_t cq_pi; /* Counter of issued CQE "always" requests. */ -#endif + uint16_t cq_pi; /* Production index for completion queue. */ uint16_t cqe_s; /* Number of CQ elements. */ uint16_t cqe_m; /* Mask for CQ indices. */ /* CQ related fields. */ @@ -253,6 +297,8 @@ struct mlx5_txq_data { /* When set TX offload for tunneled packets are supported. */ uint16_t swp_en:1; /* Whether SW parser is enabled. */ uint16_t vlan_en:1; /* VLAN insertion in WQE is supported. */ + uint16_t db_nc:1; /* Doorbell mapped to non-cached region. */ + uint16_t db_heu:1; /* Doorbell heuristic write barrier. */ uint16_t inlen_send; /* Ordinary send data inline size. */ uint16_t inlen_empw; /* eMPW max packet size to inline. */ uint16_t inlen_mode; /* Minimal data length to inline. */ @@ -261,11 +307,19 @@ struct mlx5_txq_data { struct mlx5_mr_ctrl mr_ctrl; /* MR control descriptor. */ struct mlx5_wqe *wqes; /* Work queue. */ struct mlx5_wqe *wqes_end; /* Work queue array limit. */ +#ifdef RTE_LIBRTE_MLX5_DEBUG + uint32_t *fcqs; /* Free completion queue (debug extended). */ +#else + uint16_t *fcqs; /* Free completion queue. */ +#endif volatile struct mlx5_cqe *cqes; /* Completion queue. */ volatile uint32_t *qp_db; /* Work queue doorbell. */ volatile uint32_t *cq_db; /* Completion queue doorbell. */ uint16_t port_id; /* Port ID of device. */ uint16_t idx; /* Queue index. */ + uint64_t ts_mask; /* Timestamp flag dynamic mask. */ + int32_t ts_offset; /* Timestamp field dynamic offset. */ + struct mlx5_dev_ctx_shared *sh; /* Shared context. */ struct mlx5_txq_stats stats; /* TX queue counters. */ #ifndef RTE_ARCH_64 rte_spinlock_t *uar_lock; @@ -275,13 +329,49 @@ struct mlx5_txq_data { /* Storage for queued packets, must be the last field. */ } __rte_cache_aligned; -/* Verbs Rx queue elements. */ -struct mlx5_txq_ibv { - LIST_ENTRY(mlx5_txq_ibv) next; /* Pointer to the next element. */ +enum mlx5_txq_obj_type { + MLX5_TXQ_OBJ_TYPE_IBV, /* mlx5_txq_obj with ibv_wq. */ + MLX5_TXQ_OBJ_TYPE_DEVX_SQ, /* mlx5_txq_obj with mlx5_devx_sq. */ + MLX5_TXQ_OBJ_TYPE_DEVX_HAIRPIN, + /* mlx5_txq_obj with mlx5_devx_tq and hairpin support. */ +}; + +enum mlx5_txq_type { + MLX5_TXQ_TYPE_STANDARD, /* Standard Tx queue. */ + MLX5_TXQ_TYPE_HAIRPIN, /* Hairpin Rx queue. */ +}; + +/* Verbs/DevX Tx queue elements. */ +struct mlx5_txq_obj { + LIST_ENTRY(mlx5_txq_obj) next; /* Pointer to the next element. */ rte_atomic32_t refcnt; /* Reference counter. */ struct mlx5_txq_ctrl *txq_ctrl; /* Pointer to the control queue. */ - struct ibv_cq *cq; /* Completion Queue. */ - struct ibv_qp *qp; /* Queue Pair. */ + enum mlx5_txq_obj_type type; /* The txq object type. */ + RTE_STD_C11 + union { + struct { + struct ibv_cq *cq; /* Completion Queue. */ + struct ibv_qp *qp; /* Queue Pair. */ + }; + struct { + struct mlx5_devx_obj *sq; + /* DevX object for Sx queue. */ + struct mlx5_devx_obj *tis; /* The TIS object. */ + }; + struct { + struct rte_eth_dev *dev; + struct mlx5_devx_obj *cq_devx; + struct mlx5dv_devx_umem *cq_umem; + void *cq_buf; + int64_t cq_dbrec_offset; + struct mlx5_devx_dbr_page *cq_dbrec_page; + struct mlx5_devx_obj *sq_devx; + struct mlx5dv_devx_umem *sq_umem; + void *sq_buf; + int64_t sq_dbrec_offset; + struct mlx5_devx_dbr_page *sq_dbrec_page; + }; + }; }; /* TX queue control descriptor. */ @@ -289,13 +379,15 @@ struct mlx5_txq_ctrl { LIST_ENTRY(mlx5_txq_ctrl) next; /* Pointer to the next element. */ rte_atomic32_t refcnt; /* Reference counter. */ unsigned int socket; /* CPU socket ID for allocations. */ + enum mlx5_txq_type type; /* The txq ctrl type. */ unsigned int max_inline_data; /* Max inline data. */ unsigned int max_tso_header; /* Max TSO header size. */ - struct mlx5_txq_ibv *ibv; /* Verbs queue object. */ + struct mlx5_txq_obj *obj; /* Verbs/DevX queue object. */ struct mlx5_priv *priv; /* Back pointer to private data. */ off_t uar_mmap_offset; /* UAR mmap offset for non-primary process. */ void *bf_reg; /* BlueFlame register from Verbs. */ uint16_t dump_file_n; /* Number of dump files. */ + struct rte_eth_hairpin_conf hairpin_conf; /* Hairpin configuration. */ struct mlx5_txq_data txq; /* Data path structure. */ /* Must be the last field in the structure, contains elts[]. */ }; @@ -312,61 +404,88 @@ int mlx5_rxq_mprq_enabled(struct mlx5_rxq_data *rxq); int mlx5_mprq_enabled(struct rte_eth_dev *dev); int mlx5_mprq_free_mp(struct rte_eth_dev *dev); int mlx5_mprq_alloc_mp(struct rte_eth_dev *dev); +int mlx5_rx_queue_start(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_rx_queue_stop(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_rx_queue_start_primary(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_rx_queue_stop_primary(struct rte_eth_dev *dev, uint16_t queue_id); int mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, unsigned int socket, const struct rte_eth_rxconf *conf, struct rte_mempool *mp); +int mlx5_rx_hairpin_queue_setup + (struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, + const struct rte_eth_hairpin_conf *hairpin_conf); void mlx5_rx_queue_release(void *dpdk_rxq); int mlx5_rx_intr_vec_enable(struct rte_eth_dev *dev); void mlx5_rx_intr_vec_disable(struct rte_eth_dev *dev); int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id); int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id); -struct mlx5_rxq_obj *mlx5_rxq_obj_new(struct rte_eth_dev *dev, uint16_t idx); +struct mlx5_rxq_obj *mlx5_rxq_obj_new(struct rte_eth_dev *dev, uint16_t idx, + enum mlx5_rxq_obj_type type); int mlx5_rxq_obj_verify(struct rte_eth_dev *dev); struct mlx5_rxq_ctrl *mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, unsigned int socket, const struct rte_eth_rxconf *conf, struct rte_mempool *mp); +struct mlx5_rxq_ctrl *mlx5_rxq_hairpin_new + (struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, + const struct rte_eth_hairpin_conf *hairpin_conf); struct mlx5_rxq_ctrl *mlx5_rxq_get(struct rte_eth_dev *dev, uint16_t idx); int mlx5_rxq_release(struct rte_eth_dev *dev, uint16_t idx); int mlx5_rxq_verify(struct rte_eth_dev *dev); int rxq_alloc_elts(struct mlx5_rxq_ctrl *rxq_ctrl); int mlx5_ind_table_obj_verify(struct rte_eth_dev *dev); -struct mlx5_hrxq *mlx5_hrxq_new(struct rte_eth_dev *dev, - const uint8_t *rss_key, uint32_t rss_key_len, - uint64_t hash_fields, - const uint16_t *queues, uint32_t queues_n, - int tunnel __rte_unused); -struct mlx5_hrxq *mlx5_hrxq_get(struct rte_eth_dev *dev, - const uint8_t *rss_key, uint32_t rss_key_len, - uint64_t hash_fields, - const uint16_t *queues, uint32_t queues_n); -int mlx5_hrxq_release(struct rte_eth_dev *dev, struct mlx5_hrxq *hxrq); -int mlx5_hrxq_ibv_verify(struct rte_eth_dev *dev); +uint32_t mlx5_hrxq_new(struct rte_eth_dev *dev, + const uint8_t *rss_key, uint32_t rss_key_len, + uint64_t hash_fields, + const uint16_t *queues, uint32_t queues_n, + int tunnel __rte_unused); +uint32_t mlx5_hrxq_get(struct rte_eth_dev *dev, + const uint8_t *rss_key, uint32_t rss_key_len, + uint64_t hash_fields, + const uint16_t *queues, uint32_t queues_n); +int mlx5_hrxq_release(struct rte_eth_dev *dev, uint32_t hxrq_idx); +int mlx5_hrxq_verify(struct rte_eth_dev *dev); +enum mlx5_rxq_type mlx5_rxq_get_type(struct rte_eth_dev *dev, uint16_t idx); struct mlx5_hrxq *mlx5_hrxq_drop_new(struct rte_eth_dev *dev); void mlx5_hrxq_drop_release(struct rte_eth_dev *dev); -uint64_t mlx5_get_rx_port_offloads(struct rte_eth_dev *dev); +uint64_t mlx5_get_rx_port_offloads(void); uint64_t mlx5_get_rx_queue_offloads(struct rte_eth_dev *dev); -int mlx5_lro_on(struct rte_eth_dev *dev); +void mlx5_rxq_timestamp_set(struct rte_eth_dev *dev); + /* mlx5_txq.c */ +int mlx5_tx_queue_start(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_tx_queue_stop(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_tx_queue_start_primary(struct rte_eth_dev *dev, uint16_t queue_id); +int mlx5_tx_queue_stop_primary(struct rte_eth_dev *dev, uint16_t queue_id); int mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, unsigned int socket, const struct rte_eth_txconf *conf); +int mlx5_tx_hairpin_queue_setup + (struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, + const struct rte_eth_hairpin_conf *hairpin_conf); void mlx5_tx_queue_release(void *dpdk_txq); int mlx5_tx_uar_init_secondary(struct rte_eth_dev *dev, int fd); -struct mlx5_txq_ibv *mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx); -struct mlx5_txq_ibv *mlx5_txq_ibv_get(struct rte_eth_dev *dev, uint16_t idx); -int mlx5_txq_ibv_release(struct mlx5_txq_ibv *txq_ibv); -int mlx5_txq_ibv_verify(struct rte_eth_dev *dev); +void mlx5_tx_uar_uninit_secondary(struct rte_eth_dev *dev); +struct mlx5_txq_obj *mlx5_txq_obj_new(struct rte_eth_dev *dev, uint16_t idx, + enum mlx5_txq_obj_type type); +struct mlx5_txq_obj *mlx5_txq_obj_get(struct rte_eth_dev *dev, uint16_t idx); +int mlx5_txq_obj_release(struct mlx5_txq_obj *txq_ibv); +int mlx5_txq_obj_verify(struct rte_eth_dev *dev); struct mlx5_txq_ctrl *mlx5_txq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, unsigned int socket, const struct rte_eth_txconf *conf); +struct mlx5_txq_ctrl *mlx5_txq_hairpin_new + (struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, + const struct rte_eth_hairpin_conf *hairpin_conf); struct mlx5_txq_ctrl *mlx5_txq_get(struct rte_eth_dev *dev, uint16_t idx); int mlx5_txq_release(struct rte_eth_dev *dev, uint16_t idx); int mlx5_txq_releasable(struct rte_eth_dev *dev, uint16_t idx); int mlx5_txq_verify(struct rte_eth_dev *dev); void txq_alloc_elts(struct mlx5_txq_ctrl *txq_ctrl); +void txq_free_elts(struct mlx5_txq_ctrl *txq_ctrl); uint64_t mlx5_get_tx_port_offloads(struct rte_eth_dev *dev); +void mlx5_txq_dynf_timestamp_set(struct rte_eth_dev *dev); /* mlx5_rxtx.c */ @@ -377,13 +496,9 @@ extern uint8_t mlx5_swp_types_table[]; void mlx5_set_ptype_table(void); void mlx5_set_cksum_table(void); void mlx5_set_swp_types_table(void); -__rte_noinline uint16_t mlx5_tx_error_cqe_handle - (struct mlx5_txq_data *restrict txq, - volatile struct mlx5_err_cqe *err_cqe); uint16_t mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n); void mlx5_rxq_initialize(struct mlx5_rxq_data *rxq); -__rte_noinline int mlx5_rx_err_handle(struct mlx5_rxq_data *rxq, - uint8_t mbuf_prepare); +__rte_noinline int mlx5_rx_err_handle(struct mlx5_rxq_data *rxq, uint8_t vec); void mlx5_mprq_buf_free_cb(void *addr, void *opaque); void mlx5_mprq_buf_free(struct mlx5_mprq_buf *buf); uint16_t mlx5_rx_burst_mprq(void *dpdk_rxq, struct rte_mbuf **pkts, @@ -399,6 +514,14 @@ void mlx5_dump_debug_information(const char *path, const char *title, const void *buf, unsigned int len); int mlx5_queue_state_modify_primary(struct rte_eth_dev *dev, const struct mlx5_mp_arg_queue_state_modify *sm); +void mlx5_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_rxq_info *qinfo); +void mlx5_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_txq_info *qinfo); +int mlx5_rx_burst_mode_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, + struct rte_eth_burst_mode *mode); +int mlx5_tx_burst_mode_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, + struct rte_eth_burst_mode *mode); /* Vectorized version of mlx5_rxtx.c */ int mlx5_rxq_check_vec_support(struct mlx5_rxq_data *rxq_data); @@ -474,44 +597,6 @@ __mlx5_uar_write64(uint64_t val, void *addr, rte_spinlock_t *lock) #define mlx5_uar_write64(val, dst, lock) __mlx5_uar_write64(val, dst, lock) #endif -/* CQE status. */ -enum mlx5_cqe_status { - MLX5_CQE_STATUS_SW_OWN, - MLX5_CQE_STATUS_HW_OWN, - MLX5_CQE_STATUS_ERR, -}; - -/** - * Check whether CQE is valid. - * - * @param cqe - * Pointer to CQE. - * @param cqes_n - * Size of completion queue. - * @param ci - * Consumer index. - * - * @return - * The CQE status. - */ -static __rte_always_inline enum mlx5_cqe_status -check_cqe(volatile struct mlx5_cqe *cqe, const uint16_t cqes_n, - const uint16_t ci) -{ - const uint16_t idx = ci & cqes_n; - const uint8_t op_own = cqe->op_own; - const uint8_t op_owner = MLX5_CQE_OWNER(op_own); - const uint8_t op_code = MLX5_CQE_OPCODE(op_own); - - if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID))) - return MLX5_CQE_STATUS_HW_OWN; - rte_cio_rmb(); - if (unlikely(op_code == MLX5_CQE_RESP_ERR || - op_code == MLX5_CQE_REQ_ERR)) - return MLX5_CQE_STATUS_ERR; - return MLX5_CQE_STATUS_SW_OWN; -} - /** * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which the * cloned mbuf is allocated is returned instead. @@ -549,8 +634,8 @@ mlx5_rx_addr2mr(struct mlx5_rxq_data *rxq, uintptr_t addr) uint32_t lkey; /* Linear search on MR cache array. */ - lkey = mlx5_mr_lookup_cache(mr_ctrl->cache, &mr_ctrl->mru, - MLX5_MR_CACHE_N, addr); + lkey = mlx5_mr_lookup_lkey(mr_ctrl->cache, &mr_ctrl->mru, + MLX5_MR_CACHE_N, addr); if (likely(lkey != UINT32_MAX)) return lkey; /* Take slower bottom-half (Binary Search) on miss. */ @@ -581,8 +666,8 @@ mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb) if (unlikely(*mr_ctrl->dev_gen_ptr != mr_ctrl->cur_gen)) mlx5_mr_flush_local_cache(mr_ctrl); /* Linear search on MR cache array. */ - lkey = mlx5_mr_lookup_cache(mr_ctrl->cache, &mr_ctrl->mru, - MLX5_MR_CACHE_N, addr); + lkey = mlx5_mr_lookup_lkey(mr_ctrl->cache, &mr_ctrl->mru, + MLX5_MR_CACHE_N, addr); if (likely(lkey != UINT32_MAX)) return lkey; /* Take slower bottom-half on miss. */ @@ -629,4 +714,78 @@ mlx5_tx_dbrec(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe) mlx5_tx_dbrec_cond_wmb(txq, wqe, 1); } +/** + * Convert timestamp from HW format to linear counter + * from Packet Pacing Clock Queue CQE timestamp format. + * + * @param sh + * Pointer to the device shared context. Might be needed + * to convert according current device configuration. + * @param ts + * Timestamp from CQE to convert. + * @return + * UTC in nanoseconds + */ +static __rte_always_inline uint64_t +mlx5_txpp_convert_rx_ts(struct mlx5_dev_ctx_shared *sh, uint64_t ts) +{ + RTE_SET_USED(sh); + return (ts & UINT32_MAX) + (ts >> 32) * NS_PER_S; +} + +/** + * Convert timestamp from mbuf format to linear counter + * of Clock Queue completions (24 bits) + * + * @param sh + * Pointer to the device shared context to fetch Tx + * packet pacing timestamp and parameters. + * @param ts + * Timestamp from mbuf to convert. + * @return + * positive or zero value - completion ID to wait + * negative value - conversion error + */ +static __rte_always_inline int32_t +mlx5_txpp_convert_tx_ts(struct mlx5_dev_ctx_shared *sh, uint64_t mts) +{ + uint64_t ts, ci; + uint32_t tick; + + do { + /* + * Read atomically two uint64_t fields and compare lsb bits. + * It there is no match - the timestamp was updated in + * the service thread, data should be re-read. + */ + rte_compiler_barrier(); + ci = rte_atomic64_read(&sh->txpp.ts.ci_ts); + ts = rte_atomic64_read(&sh->txpp.ts.ts); + rte_compiler_barrier(); + if (!((ts ^ ci) << (64 - MLX5_CQ_INDEX_WIDTH))) + break; + } while (true); + /* Perform the skew correction, positive value to send earlier. */ + mts -= sh->txpp.skew; + mts -= ts; + if (unlikely(mts >= UINT64_MAX / 2)) { + /* We have negative integer, mts is in the past. */ + rte_atomic32_inc(&sh->txpp.err_ts_past); + return -1; + } + tick = sh->txpp.tick; + MLX5_ASSERT(tick); + /* Convert delta to completions, round up. */ + mts = (mts + tick - 1) / tick; + if (unlikely(mts >= (1 << MLX5_CQ_INDEX_WIDTH) / 2 - 1)) { + /* We have mts is too distant future. */ + rte_atomic32_inc(&sh->txpp.err_ts_future); + return -1; + } + mts <<= 64 - MLX5_CQ_INDEX_WIDTH; + ci += mts; + ci >>= 64 - MLX5_CQ_INDEX_WIDTH; + return ci; +} + #endif /* RTE_PMD_MLX5_RXTX_H_ */