#include <rte_spinlock.h>
#include <rte_io.h>
#include <rte_bus_pci.h>
+#include <rte_malloc.h>
#include "mlx5_utils.h"
#include "mlx5.h"
/* Get pointer to the first stride. */
#define mlx5_mprq_buf_addr(ptr) ((ptr) + 1)
+#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,
MLX5_RXQ_ERR_STATE_NEED_RESET,
uint32_t tunnel; /* Tunnel information. */
} __rte_cache_aligned;
-/* Verbs Rx queue elements. */
-struct mlx5_rxq_ibv {
- LIST_ENTRY(mlx5_rxq_ibv) next; /* Pointer to the next element. */
+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. */
+};
+
+/* Verbs/DevX Rx queue elements. */
+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. */
- struct ibv_wq *wq; /* Work Queue. */
+ enum mlx5_rxq_obj_type type;
+ RTE_STD_C11
+ union {
+ struct ibv_wq *wq; /* Work Queue. */
+ struct mlx5_devx_obj *rq; /* DevX object for Rx Queue. */
+ };
struct ibv_comp_channel *channel;
};
struct mlx5_rxq_data rxq; /* Data path structure. */
LIST_ENTRY(mlx5_rxq_ctrl) next; /* Pointer to the next element. */
rte_atomic32_t refcnt; /* Reference counter. */
- struct mlx5_rxq_ibv *ibv; /* Verbs elements. */
+ struct mlx5_rxq_obj *obj; /* Verbs/DevX elements. */
struct mlx5_priv *priv; /* Back pointer to private data. */
unsigned int socket; /* CPU socket ID for allocations. */
unsigned int irq:1; /* Whether IRQ is enabled. */
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 dbr_umem_id; /* Storing door-bell information, */
+ uint64_t dbr_offset; /* needed when freeing door-bell. */
+ struct mlx5dv_devx_umem *wq_umem; /* WQ buffer registration info. */
+};
+
+enum mlx5_ind_tbl_type {
+ MLX5_IND_TBL_TYPE_IBV,
+ MLX5_IND_TBL_TYPE_DEVX,
};
/* Indirection table. */
-struct mlx5_ind_table_ibv {
- LIST_ENTRY(mlx5_ind_table_ibv) next; /* Pointer to the next element. */
+struct mlx5_ind_table_obj {
+ LIST_ENTRY(mlx5_ind_table_obj) next; /* Pointer to the next element. */
rte_atomic32_t refcnt; /* Reference counter. */
- struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
+ enum mlx5_ind_tbl_type type;
+ RTE_STD_C11
+ union {
+ struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
+ struct mlx5_devx_obj *rqt; /* DevX RQT object. */
+ };
uint32_t queues_n; /**< Number of queues in the list. */
uint16_t queues[]; /**< Queue list. */
};
struct mlx5_hrxq {
LIST_ENTRY(mlx5_hrxq) next; /* Pointer to the next element. */
rte_atomic32_t refcnt; /* Reference counter. */
- struct mlx5_ind_table_ibv *ind_table; /* Indirection table. */
- struct ibv_qp *qp; /* Verbs queue pair. */
+ struct mlx5_ind_table_obj *ind_table; /* Indirection table. */
+ 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
uint8_t rss_key[]; /* Hash key. */
};
+/* TX queue send local data. */
+__extension__
+struct mlx5_txq_local {
+ struct mlx5_wqe *wqe_last; /* last sent WQE pointer. */
+ struct rte_mbuf *mbuf; /* first mbuf to process. */
+ uint16_t pkts_copy; /* packets copied to elts. */
+ uint16_t pkts_sent; /* packets sent. */
+ uint16_t elts_free; /* available elts remain. */
+ uint16_t wqe_free; /* available wqe remain. */
+ uint16_t mbuf_off; /* data offset in current mbuf. */
+ uint16_t mbuf_nseg; /* number of remaining mbuf. */
+};
+
/* TX queue descriptor. */
__extension__
struct mlx5_txq_data {
uint16_t elts_head; /* Current counter in (*elts)[]. */
uint16_t elts_tail; /* Counter of first element awaiting completion. */
- uint16_t elts_comp; /* Counter since last completion request. */
- uint16_t mpw_comp; /* WQ index since last completion request. */
+ uint16_t elts_comp; /* elts index since last completion request. */
+ uint16_t elts_s; /* Number of mbuf elements. */
+ uint16_t elts_m; /* Mask for mbuf elements indices. */
+ /* Fields related to elts mbuf storage. */
+ uint16_t wqe_ci; /* Consumer index for work queue. */
+ uint16_t wqe_pi; /* Producer index for work queue. */
+ uint16_t wqe_s; /* Number of WQ elements. */
+ uint16_t wqe_m; /* Mask Number for WQ elements. */
+ uint16_t wqe_comp; /* WQE index since last completion request. */
+ 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; /* Producer index for completion queue. */
+ uint16_t cq_pi; /* Counter of issued CQE "always" requests. */
#endif
- uint16_t wqe_ci; /* Consumer index for work queue. */
- uint16_t wqe_pi; /* Producer index for work queue. */
- uint16_t elts_n:4; /* (*elts)[] length (in log2). */
+ uint16_t cqe_s; /* Number of CQ elements. */
+ uint16_t cqe_m; /* Mask for CQ indices. */
+ /* CQ related fields. */
+ uint16_t elts_n:4; /* elts[] length (in log2). */
uint16_t cqe_n:4; /* Number of CQ elements (in log2). */
- uint16_t wqe_n:4; /* Number of of WQ elements (in log2). */
+ uint16_t wqe_n:4; /* Number of WQ elements (in log2). */
uint16_t tso_en:1; /* When set hardware TSO is enabled. */
uint16_t tunnel_en:1;
/* When set TX offload for tunneled packets are supported. */
uint16_t swp_en:1; /* Whether SW parser is enabled. */
- uint16_t mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
- uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
- uint16_t inline_max_packet_sz; /* Max packet size for inlining. */
+ uint16_t vlan_en:1; /* VLAN insertion in WQE is supported. */
+ 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. */
uint32_t qp_num_8s; /* QP number shifted by 8. */
uint64_t offloads; /* Offloads for Tx Queue. */
struct mlx5_mr_ctrl mr_ctrl; /* MR control descriptor. */
- volatile struct mlx5_cqe (*cqes)[]; /* Completion queue. */
- volatile void *wqes; /* Work queue (use volatile to write into). */
+ struct mlx5_wqe *wqes; /* Work queue. */
+ struct mlx5_wqe *wqes_end; /* Work queue array limit. */
+ volatile struct mlx5_cqe *cqes; /* Completion queue. */
volatile uint32_t *qp_db; /* Work queue doorbell. */
volatile uint32_t *cq_db; /* Completion queue doorbell. */
- struct rte_mbuf *(*elts)[]; /* TX elements. */
uint16_t port_id; /* Port ID of device. */
uint16_t idx; /* Queue index. */
struct mlx5_txq_stats stats; /* TX queue counters. */
rte_spinlock_t *uar_lock;
/* UAR access lock required for 32bit implementations */
#endif
+ struct rte_mbuf *elts[0];
+ /* Storage for queued packets, must be the last field. */
} __rte_cache_aligned;
/* Verbs Rx queue elements. */
/* TX queue control descriptor. */
struct mlx5_txq_ctrl {
- struct mlx5_txq_data txq; /* Data path structure. */
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. */
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. */
- uint32_t cqn; /* CQ number. */
uint16_t dump_file_n; /* Number of dump files. */
+ struct mlx5_txq_data txq; /* Data path structure. */
+ /* Must be the last field in the structure, contains elts[]. */
};
#define MLX5_TX_BFREG(txq) \
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_ibv *mlx5_rxq_ibv_new(struct rte_eth_dev *dev, uint16_t idx);
-int mlx5_rxq_ibv_verify(struct rte_eth_dev *dev);
+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,
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_ibv_verify(struct rte_eth_dev *dev);
+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,
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);
+int mlx5_hrxq_verify(struct rte_eth_dev *dev);
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(void);
+uint64_t mlx5_get_rx_port_offloads(struct rte_eth_dev *dev);
uint64_t mlx5_get_rx_queue_offloads(struct rte_eth_dev *dev);
+int mlx5_lro_on(struct rte_eth_dev *dev);
/* mlx5_txq.c */
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 *txq,
- volatile struct mlx5_err_cqe *err_cqe);
+__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,