1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
6 #ifndef RTE_PMD_MLX5_RXTX_H_
7 #define RTE_PMD_MLX5_RXTX_H_
11 #include <sys/queue.h>
14 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
16 #pragma GCC diagnostic ignored "-Wpedantic"
18 #include <infiniband/verbs.h>
19 #include <infiniband/mlx5dv.h>
21 #pragma GCC diagnostic error "-Wpedantic"
25 #include <rte_mempool.h>
26 #include <rte_common.h>
27 #include <rte_hexdump.h>
28 #include <rte_atomic.h>
30 #include "mlx5_utils.h"
32 #include "mlx5_autoconf.h"
33 #include "mlx5_defs.h"
36 struct mlx5_rxq_stats {
37 unsigned int idx; /**< Mapping index. */
38 #ifdef MLX5_PMD_SOFT_COUNTERS
39 uint64_t ipackets; /**< Total of successfully received packets. */
40 uint64_t ibytes; /**< Total of successfully received bytes. */
42 uint64_t idropped; /**< Total of packets dropped when RX ring full. */
43 uint64_t rx_nombuf; /**< Total of RX mbuf allocation failures. */
46 struct mlx5_txq_stats {
47 unsigned int idx; /**< Mapping index. */
48 #ifdef MLX5_PMD_SOFT_COUNTERS
49 uint64_t opackets; /**< Total of successfully sent packets. */
50 uint64_t obytes; /**< Total of successfully sent bytes. */
52 uint64_t oerrors; /**< Total number of failed transmitted packets. */
57 /* Memory region queue object. */
59 LIST_ENTRY(mlx5_mr) next; /**< Pointer to the next element. */
60 rte_atomic32_t refcnt; /*<< Reference counter. */
61 uint32_t lkey; /*<< rte_cpu_to_be_32(mr->lkey) */
62 uintptr_t start; /* Start address of MR */
63 uintptr_t end; /* End address of MR */
64 struct ibv_mr *mr; /*<< Memory Region. */
65 struct rte_mempool *mp; /*<< Memory Pool. */
68 /* Compressed CQE context. */
70 uint16_t ai; /* Array index. */
71 uint16_t ca; /* Current array index. */
72 uint16_t na; /* Next array index. */
73 uint16_t cq_ci; /* The next CQE. */
74 uint32_t cqe_cnt; /* Number of CQEs. */
77 /* RX queue descriptor. */
78 struct mlx5_rxq_data {
79 unsigned int csum:1; /* Enable checksum offloading. */
80 unsigned int csum_l2tun:1; /* Same for L2 tunnels. */
81 unsigned int hw_timestamp:1; /* Enable HW timestamp. */
82 unsigned int vlan_strip:1; /* Enable VLAN stripping. */
83 unsigned int crc_present:1; /* CRC must be subtracted. */
84 unsigned int sges_n:2; /* Log 2 of SGEs (max buffers per packet). */
85 unsigned int cqe_n:4; /* Log 2 of CQ elements. */
86 unsigned int elts_n:4; /* Log 2 of Mbufs. */
87 unsigned int rss_hash:1; /* RSS hash result is enabled. */
88 unsigned int mark:1; /* Marked flow available on the queue. */
89 unsigned int :15; /* Remaining bits. */
90 volatile uint32_t *rq_db;
91 volatile uint32_t *cq_db;
96 volatile struct mlx5_wqe_data_seg(*wqes)[];
97 volatile struct mlx5_cqe(*cqes)[];
98 struct rxq_zip zip; /* Compressed context. */
99 struct rte_mbuf *(*elts)[];
100 struct rte_mempool *mp;
101 struct mlx5_rxq_stats stats;
102 uint64_t mbuf_initializer; /* Default rearm_data for vectorized Rx. */
103 struct rte_mbuf fake_mbuf; /* elts padding for vectorized Rx. */
104 void *cq_uar; /* CQ user access region. */
105 uint32_t cqn; /* CQ number. */
106 uint8_t cq_arm_sn; /* CQ arm seq number. */
107 } __rte_cache_aligned;
109 /* Verbs Rx queue elements. */
110 struct mlx5_rxq_ibv {
111 LIST_ENTRY(mlx5_rxq_ibv) next; /* Pointer to the next element. */
112 rte_atomic32_t refcnt; /* Reference counter. */
113 struct mlx5_rxq_ctrl *rxq_ctrl; /* Back pointer to parent. */
114 struct ibv_cq *cq; /* Completion Queue. */
115 struct ibv_wq *wq; /* Work Queue. */
116 struct ibv_comp_channel *channel;
117 struct mlx5_mr *mr; /* Memory Region (for mp). */
120 /* RX queue control descriptor. */
121 struct mlx5_rxq_ctrl {
122 LIST_ENTRY(mlx5_rxq_ctrl) next; /* Pointer to the next element. */
123 rte_atomic32_t refcnt; /* Reference counter. */
124 struct priv *priv; /* Back pointer to private data. */
125 struct mlx5_rxq_ibv *ibv; /* Verbs elements. */
126 struct mlx5_rxq_data rxq; /* Data path structure. */
127 unsigned int socket; /* CPU socket ID for allocations. */
128 unsigned int irq:1; /* Whether IRQ is enabled. */
129 uint16_t idx; /* Queue index. */
132 /* Indirection table. */
133 struct mlx5_ind_table_ibv {
134 LIST_ENTRY(mlx5_ind_table_ibv) next; /* Pointer to the next element. */
135 rte_atomic32_t refcnt; /* Reference counter. */
136 struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
137 uint32_t queues_n; /**< Number of queues in the list. */
138 uint16_t queues[]; /**< Queue list. */
143 LIST_ENTRY(mlx5_hrxq) next; /* Pointer to the next element. */
144 rte_atomic32_t refcnt; /* Reference counter. */
145 struct mlx5_ind_table_ibv *ind_table; /* Indirection table. */
146 struct ibv_qp *qp; /* Verbs queue pair. */
147 uint64_t hash_fields; /* Verbs Hash fields. */
148 uint32_t rss_key_len; /* Hash key length in bytes. */
149 uint8_t rss_key[]; /* Hash key. */
152 /* TX queue descriptor. */
154 struct mlx5_txq_data {
155 uint16_t elts_head; /* Current counter in (*elts)[]. */
156 uint16_t elts_tail; /* Counter of first element awaiting completion. */
157 uint16_t elts_comp; /* Counter since last completion request. */
158 uint16_t mpw_comp; /* WQ index since last completion request. */
159 uint16_t cq_ci; /* Consumer index for completion queue. */
161 uint16_t cq_pi; /* Producer index for completion queue. */
163 uint16_t wqe_ci; /* Consumer index for work queue. */
164 uint16_t wqe_pi; /* Producer index for work queue. */
165 uint16_t elts_n:4; /* (*elts)[] length (in log2). */
166 uint16_t cqe_n:4; /* Number of CQ elements (in log2). */
167 uint16_t wqe_n:4; /* Number of of WQ elements (in log2). */
168 uint16_t tso_en:1; /* When set hardware TSO is enabled. */
169 uint16_t tunnel_en:1;
170 /* When set TX offload for tunneled packets are supported. */
171 uint16_t swp_en:1; /* Whether SW parser is enabled. */
172 uint16_t mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
173 uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
174 uint16_t inline_max_packet_sz; /* Max packet size for inlining. */
175 uint16_t mr_cache_idx; /* Index of last hit entry. */
176 uint32_t qp_num_8s; /* QP number shifted by 8. */
177 uint64_t offloads; /* Offloads for Tx Queue. */
178 volatile struct mlx5_cqe (*cqes)[]; /* Completion queue. */
179 volatile void *wqes; /* Work queue (use volatile to write into). */
180 volatile uint32_t *qp_db; /* Work queue doorbell. */
181 volatile uint32_t *cq_db; /* Completion queue doorbell. */
182 volatile void *bf_reg; /* Blueflame register remapped. */
183 struct mlx5_mr *mp2mr[MLX5_PMD_TX_MP_CACHE]; /* MR translation table. */
184 struct rte_mbuf *(*elts)[]; /* TX elements. */
185 struct mlx5_txq_stats stats; /* TX queue counters. */
186 } __rte_cache_aligned;
188 /* Verbs Rx queue elements. */
189 struct mlx5_txq_ibv {
190 LIST_ENTRY(mlx5_txq_ibv) next; /* Pointer to the next element. */
191 rte_atomic32_t refcnt; /* Reference counter. */
192 struct mlx5_txq_ctrl *txq_ctrl; /* Pointer to the control queue. */
193 struct ibv_cq *cq; /* Completion Queue. */
194 struct ibv_qp *qp; /* Queue Pair. */
197 /* TX queue control descriptor. */
198 struct mlx5_txq_ctrl {
199 LIST_ENTRY(mlx5_txq_ctrl) next; /* Pointer to the next element. */
200 rte_atomic32_t refcnt; /* Reference counter. */
201 struct priv *priv; /* Back pointer to private data. */
202 unsigned int socket; /* CPU socket ID for allocations. */
203 unsigned int max_inline_data; /* Max inline data. */
204 unsigned int max_tso_header; /* Max TSO header size. */
205 struct mlx5_txq_ibv *ibv; /* Verbs queue object. */
206 struct mlx5_txq_data txq; /* Data path structure. */
207 off_t uar_mmap_offset; /* UAR mmap offset for non-primary process. */
208 volatile void *bf_reg_orig; /* Blueflame register from verbs. */
209 uint16_t idx; /* Queue index. */
214 extern uint8_t rss_hash_default_key[];
215 extern const size_t rss_hash_default_key_len;
217 void mlx5_rxq_cleanup(struct mlx5_rxq_ctrl *rxq_ctrl);
218 int mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
219 unsigned int socket, const struct rte_eth_rxconf *conf,
220 struct rte_mempool *mp);
221 void mlx5_rx_queue_release(void *dpdk_rxq);
222 int mlx5_rx_intr_vec_enable(struct rte_eth_dev *dev);
223 void mlx5_rx_intr_vec_disable(struct rte_eth_dev *dev);
224 int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
225 int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
226 struct mlx5_rxq_ibv *mlx5_rxq_ibv_new(struct rte_eth_dev *dev, uint16_t idx);
227 struct mlx5_rxq_ibv *mlx5_rxq_ibv_get(struct rte_eth_dev *dev, uint16_t idx);
228 int mlx5_rxq_ibv_release(struct mlx5_rxq_ibv *rxq_ibv);
229 int mlx5_rxq_ibv_releasable(struct mlx5_rxq_ibv *rxq_ibv);
230 int mlx5_rxq_ibv_verify(struct rte_eth_dev *dev);
231 struct mlx5_rxq_ctrl *mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx,
232 uint16_t desc, unsigned int socket,
233 const struct rte_eth_rxconf *conf,
234 struct rte_mempool *mp);
235 struct mlx5_rxq_ctrl *mlx5_rxq_get(struct rte_eth_dev *dev, uint16_t idx);
236 int mlx5_rxq_release(struct rte_eth_dev *dev, uint16_t idx);
237 int mlx5_rxq_releasable(struct rte_eth_dev *dev, uint16_t idx);
238 int mlx5_rxq_verify(struct rte_eth_dev *dev);
239 int rxq_alloc_elts(struct mlx5_rxq_ctrl *rxq_ctrl);
240 struct mlx5_ind_table_ibv *mlx5_ind_table_ibv_new(struct rte_eth_dev *dev,
241 const uint16_t *queues,
243 struct mlx5_ind_table_ibv *mlx5_ind_table_ibv_get(struct rte_eth_dev *dev,
244 const uint16_t *queues,
246 int mlx5_ind_table_ibv_release(struct rte_eth_dev *dev,
247 struct mlx5_ind_table_ibv *ind_tbl);
248 int mlx5_ind_table_ibv_verify(struct rte_eth_dev *dev);
249 struct mlx5_hrxq *mlx5_hrxq_new(struct rte_eth_dev *dev,
250 const uint8_t *rss_key, uint32_t rss_key_len,
251 uint64_t hash_fields,
252 const uint16_t *queues, uint32_t queues_n);
253 struct mlx5_hrxq *mlx5_hrxq_get(struct rte_eth_dev *dev,
254 const uint8_t *rss_key, uint32_t rss_key_len,
255 uint64_t hash_fields,
256 const uint16_t *queues, uint32_t queues_n);
257 int mlx5_hrxq_release(struct rte_eth_dev *dev, struct mlx5_hrxq *hxrq);
258 int mlx5_hrxq_ibv_verify(struct rte_eth_dev *dev);
259 uint64_t mlx5_get_rx_port_offloads(void);
260 uint64_t mlx5_get_rx_queue_offloads(struct rte_eth_dev *dev);
264 int mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
265 unsigned int socket, const struct rte_eth_txconf *conf);
266 void mlx5_tx_queue_release(void *dpdk_txq);
267 int mlx5_tx_uar_remap(struct rte_eth_dev *dev, int fd);
268 struct mlx5_txq_ibv *mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx);
269 struct mlx5_txq_ibv *mlx5_txq_ibv_get(struct rte_eth_dev *dev, uint16_t idx);
270 int mlx5_txq_ibv_release(struct mlx5_txq_ibv *txq_ibv);
271 int mlx5_txq_ibv_releasable(struct mlx5_txq_ibv *txq_ibv);
272 int mlx5_txq_ibv_verify(struct rte_eth_dev *dev);
273 struct mlx5_txq_ctrl *mlx5_txq_new(struct rte_eth_dev *dev, uint16_t idx,
274 uint16_t desc, unsigned int socket,
275 const struct rte_eth_txconf *conf);
276 struct mlx5_txq_ctrl *mlx5_txq_get(struct rte_eth_dev *dev, uint16_t idx);
277 int mlx5_txq_release(struct rte_eth_dev *dev, uint16_t idx);
278 int mlx5_txq_releasable(struct rte_eth_dev *dev, uint16_t idx);
279 int mlx5_txq_verify(struct rte_eth_dev *dev);
280 void txq_alloc_elts(struct mlx5_txq_ctrl *txq_ctrl);
281 uint64_t mlx5_get_tx_port_offloads(struct rte_eth_dev *dev);
285 extern uint32_t mlx5_ptype_table[];
286 extern uint8_t mlx5_cksum_table[];
287 extern uint8_t mlx5_swp_types_table[];
289 void mlx5_set_ptype_table(void);
290 void mlx5_set_cksum_table(void);
291 void mlx5_set_swp_types_table(void);
292 uint16_t mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts,
294 uint16_t mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts,
296 uint16_t mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
298 uint16_t mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts,
300 uint16_t mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n);
301 uint16_t removed_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts,
303 uint16_t removed_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts,
305 int mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset);
306 int mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset);
308 /* Vectorized version of mlx5_rxtx.c */
309 int mlx5_check_raw_vec_tx_support(struct rte_eth_dev *dev);
310 int mlx5_check_vec_tx_support(struct rte_eth_dev *dev);
311 int mlx5_rxq_check_vec_support(struct mlx5_rxq_data *rxq_data);
312 int mlx5_check_vec_rx_support(struct rte_eth_dev *dev);
313 uint16_t mlx5_tx_burst_raw_vec(void *dpdk_txq, struct rte_mbuf **pkts,
315 uint16_t mlx5_tx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts,
317 uint16_t mlx5_rx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts,
322 void mlx5_mp2mr_iter(struct rte_mempool *mp, void *arg);
323 struct mlx5_mr *mlx5_txq_mp2mr_reg(struct mlx5_txq_data *txq,
324 struct rte_mempool *mp, unsigned int idx);
328 * Verify or set magic value in CQE.
337 check_cqe_seen(volatile struct mlx5_cqe *cqe)
339 static const uint8_t magic[] = "seen";
340 volatile uint8_t (*buf)[sizeof(cqe->rsvd0)] = &cqe->rsvd0;
344 for (i = 0; i < sizeof(magic) && i < sizeof(*buf); ++i)
345 if (!ret || (*buf)[i] != magic[i]) {
347 (*buf)[i] = magic[i];
354 * Check whether CQE is valid.
359 * Size of completion queue.
364 * 0 on success, 1 on failure.
366 static __rte_always_inline int
367 check_cqe(volatile struct mlx5_cqe *cqe,
368 unsigned int cqes_n, const uint16_t ci)
370 uint16_t idx = ci & cqes_n;
371 uint8_t op_own = cqe->op_own;
372 uint8_t op_owner = MLX5_CQE_OWNER(op_own);
373 uint8_t op_code = MLX5_CQE_OPCODE(op_own);
375 if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID)))
376 return 1; /* No CQE. */
378 if ((op_code == MLX5_CQE_RESP_ERR) ||
379 (op_code == MLX5_CQE_REQ_ERR)) {
380 volatile struct mlx5_err_cqe *err_cqe = (volatile void *)cqe;
381 uint8_t syndrome = err_cqe->syndrome;
383 if ((syndrome == MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR) ||
384 (syndrome == MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR))
386 if (!check_cqe_seen(cqe)) {
388 "unexpected CQE error %u (0x%02x) syndrome"
390 op_code, op_code, syndrome);
391 rte_hexdump(stderr, "MLX5 Error CQE:",
392 (const void *)((uintptr_t)err_cqe),
396 } else if ((op_code != MLX5_CQE_RESP_SEND) &&
397 (op_code != MLX5_CQE_REQ)) {
398 if (!check_cqe_seen(cqe)) {
399 DRV_LOG(ERR, "unexpected CQE opcode %u (0x%02x)",
401 rte_hexdump(stderr, "MLX5 CQE:",
402 (const void *)((uintptr_t)cqe),
412 * Return the address of the WQE.
415 * Pointer to TX queue structure.
417 * WQE consumer index.
422 static inline uintptr_t *
423 tx_mlx5_wqe(struct mlx5_txq_data *txq, uint16_t ci)
425 ci &= ((1 << txq->wqe_n) - 1);
426 return (uintptr_t *)((uintptr_t)txq->wqes + ci * MLX5_WQE_SIZE);
430 * Manage TX completions.
432 * When sending a burst, mlx5_tx_burst() posts several WRs.
435 * Pointer to TX queue structure.
437 static __rte_always_inline void
438 mlx5_tx_complete(struct mlx5_txq_data *txq)
440 const uint16_t elts_n = 1 << txq->elts_n;
441 const uint16_t elts_m = elts_n - 1;
442 const unsigned int cqe_n = 1 << txq->cqe_n;
443 const unsigned int cqe_cnt = cqe_n - 1;
444 uint16_t elts_free = txq->elts_tail;
446 uint16_t cq_ci = txq->cq_ci;
447 volatile struct mlx5_cqe *cqe = NULL;
448 volatile struct mlx5_wqe_ctrl *ctrl;
449 struct rte_mbuf *m, *free[elts_n];
450 struct rte_mempool *pool = NULL;
451 unsigned int blk_n = 0;
453 cqe = &(*txq->cqes)[cq_ci & cqe_cnt];
454 if (unlikely(check_cqe(cqe, cqe_n, cq_ci)))
457 if ((MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_RESP_ERR) ||
458 (MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_REQ_ERR)) {
459 if (!check_cqe_seen(cqe)) {
460 DRV_LOG(ERR, "unexpected error CQE, Tx stopped");
461 rte_hexdump(stderr, "MLX5 TXQ:",
462 (const void *)((uintptr_t)txq->wqes),
470 txq->wqe_pi = rte_be_to_cpu_16(cqe->wqe_counter);
471 ctrl = (volatile struct mlx5_wqe_ctrl *)
472 tx_mlx5_wqe(txq, txq->wqe_pi);
473 elts_tail = ctrl->ctrl3;
474 assert((elts_tail & elts_m) < (1 << txq->wqe_n));
476 while (elts_free != elts_tail) {
477 m = rte_pktmbuf_prefree_seg((*txq->elts)[elts_free++ & elts_m]);
478 if (likely(m != NULL)) {
479 if (likely(m->pool == pool)) {
482 if (likely(pool != NULL))
483 rte_mempool_put_bulk(pool,
493 rte_mempool_put_bulk(pool, (void *)free, blk_n);
495 elts_free = txq->elts_tail;
497 while (elts_free != elts_tail) {
498 memset(&(*txq->elts)[elts_free & elts_m],
500 sizeof((*txq->elts)[elts_free & elts_m]));
505 txq->elts_tail = elts_tail;
506 /* Update the consumer index. */
507 rte_compiler_barrier();
508 *txq->cq_db = rte_cpu_to_be_32(cq_ci);
512 * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which
513 * the cloned mbuf is allocated is returned instead.
519 * Memory pool where data is located for given mbuf.
521 static struct rte_mempool *
522 mlx5_tx_mb2mp(struct rte_mbuf *buf)
524 if (unlikely(RTE_MBUF_INDIRECT(buf)))
525 return rte_mbuf_from_indirect(buf)->pool;
530 * Get Memory Region (MR) <-> rte_mbuf association from txq->mp2mr[].
531 * Add MP to txq->mp2mr[] if it's not registered yet. If mp2mr[] is full,
532 * remove an entry first.
535 * Pointer to TX queue structure.
537 * Memory Pool for which a Memory Region lkey must be returned.
540 * mr->lkey on success, (uint32_t)-1 on failure.
542 static __rte_always_inline uint32_t
543 mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
545 uint16_t i = txq->mr_cache_idx;
546 uintptr_t addr = rte_pktmbuf_mtod(mb, uintptr_t);
549 assert(i < RTE_DIM(txq->mp2mr));
550 if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end > addr))
551 return txq->mp2mr[i]->lkey;
552 for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
553 if (unlikely(txq->mp2mr[i] == NULL ||
554 txq->mp2mr[i]->mr == NULL)) {
555 /* Unknown MP, add a new MR for it. */
558 if (txq->mp2mr[i]->start <= addr &&
559 txq->mp2mr[i]->end > addr) {
560 assert(txq->mp2mr[i]->lkey != (uint32_t)-1);
561 txq->mr_cache_idx = i;
562 return txq->mp2mr[i]->lkey;
565 mr = mlx5_txq_mp2mr_reg(txq, mlx5_tx_mb2mp(mb), i);
567 * Request the reference to use in this queue, the original one is
568 * kept by the control plane.
571 rte_atomic32_inc(&mr->refcnt);
572 txq->mr_cache_idx = i >= RTE_DIM(txq->mp2mr) ? i - 1 : i;
575 struct rte_mempool *mp = mlx5_tx_mb2mp(mb);
577 DRV_LOG(WARNING, "failed to register mempool 0x%p(%s)",
578 (void *)mp, mp->name);
584 * Ring TX queue doorbell and flush the update if requested.
587 * Pointer to TX queue structure.
589 * Pointer to the last WQE posted in the NIC.
591 * Request for write memory barrier after BlueFlame update.
593 static __rte_always_inline void
594 mlx5_tx_dbrec_cond_wmb(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe,
597 uint64_t *dst = (uint64_t *)((uintptr_t)txq->bf_reg);
598 volatile uint64_t *src = ((volatile uint64_t *)wqe);
601 *txq->qp_db = rte_cpu_to_be_32(txq->wqe_ci);
602 /* Ensure ordering between DB record and BF copy. */
610 * Ring TX queue doorbell and flush the update by write memory barrier.
613 * Pointer to TX queue structure.
615 * Pointer to the last WQE posted in the NIC.
617 static __rte_always_inline void
618 mlx5_tx_dbrec(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe)
620 mlx5_tx_dbrec_cond_wmb(txq, wqe, 1);
624 * Convert mbuf to Verb SWP.
627 * Pointer to the Tx queue.
629 * Pointer to the mbuf.
631 * TSO offloads enabled.
633 * VLAN offloads enabled
635 * Pointer to the SWP header offsets.
637 * Pointer to the SWP header types.
639 static __rte_always_inline void
640 txq_mbuf_to_swp(struct mlx5_txq_data *txq, struct rte_mbuf *buf,
641 uint8_t tso, uint64_t vlan,
642 uint8_t *offsets, uint8_t *swp_types)
644 uint64_t tunnel = buf->ol_flags & PKT_TX_TUNNEL_MASK;
647 const uint64_t ol_flags_mask = PKT_TX_L4_MASK | PKT_TX_IPV6 |
650 if (likely(!tunnel || !txq->swp_en ||
651 (tunnel != PKT_TX_TUNNEL_UDP && tunnel != PKT_TX_TUNNEL_IP)))
654 * The index should have:
655 * bit[0:1] = PKT_TX_L4_MASK
656 * bit[4] = PKT_TX_IPV6
657 * bit[8] = PKT_TX_OUTER_IPV6
658 * bit[9] = PKT_TX_OUTER_UDP
660 idx = (buf->ol_flags & ol_flags_mask) >> 52;
661 if (tunnel == PKT_TX_TUNNEL_UDP)
663 *swp_types = mlx5_swp_types_table[idx];
665 off = buf->outer_l2_len + (vlan ? 4 : 0); /* Outer L3 offset. */
666 if (tso || (buf->ol_flags & PKT_TX_OUTER_IP_CKSUM))
667 offsets[1] = off >> 1;
668 off += buf->outer_l3_len; /* Outer L4 offset. */
669 if (tunnel == PKT_TX_TUNNEL_UDP)
670 offsets[0] = off >> 1;
671 off += buf->l2_len; /* Inner L3 offset. */
672 if (tso || (buf->ol_flags & PKT_TX_IP_CKSUM))
673 offsets[3] = off >> 1;
674 off += buf->l3_len; /* Inner L4 offset. */
675 if (tso || ((buf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_TCP_CKSUM) ||
676 ((buf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_UDP_CKSUM))
677 offsets[2] = off >> 1;
681 * Convert the Checksum offloads to Verbs.
684 * Pointer to the mbuf.
687 * Converted checksum flags.
689 static __rte_always_inline uint8_t
690 txq_ol_cksum_to_cs(struct rte_mbuf *buf)
693 uint8_t is_tunnel = !!(buf->ol_flags & PKT_TX_TUNNEL_MASK);
694 const uint64_t ol_flags_mask = PKT_TX_TCP_SEG | PKT_TX_L4_MASK |
695 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM;
698 * The index should have:
699 * bit[0] = PKT_TX_TCP_SEG
700 * bit[2:3] = PKT_TX_UDP_CKSUM, PKT_TX_TCP_CKSUM
701 * bit[4] = PKT_TX_IP_CKSUM
702 * bit[8] = PKT_TX_OUTER_IP_CKSUM
705 idx = ((buf->ol_flags & ol_flags_mask) >> 50) | (!!is_tunnel << 9);
706 return mlx5_cksum_table[idx];
710 * Count the number of contiguous single segment packets.
713 * Pointer to array of packets.
718 * Number of contiguous single segment packets.
720 static __rte_always_inline unsigned int
721 txq_count_contig_single_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
727 /* Count the number of contiguous single segment packets. */
728 for (pos = 0; pos < pkts_n; ++pos)
729 if (NB_SEGS(pkts[pos]) > 1)
735 * Count the number of contiguous multi-segment packets.
738 * Pointer to array of packets.
743 * Number of contiguous multi-segment packets.
745 static __rte_always_inline unsigned int
746 txq_count_contig_multi_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
752 /* Count the number of contiguous multi-segment packets. */
753 for (pos = 0; pos < pkts_n; ++pos)
754 if (NB_SEGS(pkts[pos]) == 1)
759 #endif /* RTE_PMD_MLX5_RXTX_H_ */