1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox.
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. */
131 /* Indirection table. */
132 struct mlx5_ind_table_ibv {
133 LIST_ENTRY(mlx5_ind_table_ibv) next; /* Pointer to the next element. */
134 rte_atomic32_t refcnt; /* Reference counter. */
135 struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
136 uint16_t queues_n; /**< Number of queues in the list. */
137 uint16_t queues[]; /**< Queue list. */
142 LIST_ENTRY(mlx5_hrxq) next; /* Pointer to the next element. */
143 rte_atomic32_t refcnt; /* Reference counter. */
144 struct mlx5_ind_table_ibv *ind_table; /* Indirection table. */
145 struct ibv_qp *qp; /* Verbs queue pair. */
146 uint64_t hash_fields; /* Verbs Hash fields. */
147 uint8_t rss_key_len; /* Hash key length in bytes. */
148 uint8_t rss_key[]; /* Hash key. */
151 /* TX queue descriptor. */
153 struct mlx5_txq_data {
154 uint16_t elts_head; /* Current counter in (*elts)[]. */
155 uint16_t elts_tail; /* Counter of first element awaiting completion. */
156 uint16_t elts_comp; /* Counter since last completion request. */
157 uint16_t mpw_comp; /* WQ index since last completion request. */
158 uint16_t cq_ci; /* Consumer index for completion queue. */
160 uint16_t cq_pi; /* Producer index for completion queue. */
162 uint16_t wqe_ci; /* Consumer index for work queue. */
163 uint16_t wqe_pi; /* Producer index for work queue. */
164 uint16_t elts_n:4; /* (*elts)[] length (in log2). */
165 uint16_t cqe_n:4; /* Number of CQ elements (in log2). */
166 uint16_t wqe_n:4; /* Number of of WQ elements (in log2). */
167 uint16_t tso_en:1; /* When set hardware TSO is enabled. */
168 uint16_t tunnel_en:1;
169 /* When set TX offload for tunneled packets are supported. */
170 uint16_t mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
171 uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
172 uint16_t inline_max_packet_sz; /* Max packet size for inlining. */
173 uint16_t mr_cache_idx; /* Index of last hit entry. */
174 uint32_t qp_num_8s; /* QP number shifted by 8. */
175 uint64_t offloads; /* Offloads for Tx Queue. */
176 volatile struct mlx5_cqe (*cqes)[]; /* Completion queue. */
177 volatile void *wqes; /* Work queue (use volatile to write into). */
178 volatile uint32_t *qp_db; /* Work queue doorbell. */
179 volatile uint32_t *cq_db; /* Completion queue doorbell. */
180 volatile void *bf_reg; /* Blueflame register remapped. */
181 struct mlx5_mr *mp2mr[MLX5_PMD_TX_MP_CACHE]; /* MR translation table. */
182 struct rte_mbuf *(*elts)[]; /* TX elements. */
183 struct mlx5_txq_stats stats; /* TX queue counters. */
184 } __rte_cache_aligned;
186 /* Verbs Rx queue elements. */
187 struct mlx5_txq_ibv {
188 LIST_ENTRY(mlx5_txq_ibv) next; /* Pointer to the next element. */
189 rte_atomic32_t refcnt; /* Reference counter. */
190 struct ibv_cq *cq; /* Completion Queue. */
191 struct ibv_qp *qp; /* Queue Pair. */
194 /* TX queue control descriptor. */
195 struct mlx5_txq_ctrl {
196 LIST_ENTRY(mlx5_txq_ctrl) next; /* Pointer to the next element. */
197 rte_atomic32_t refcnt; /* Reference counter. */
198 struct priv *priv; /* Back pointer to private data. */
199 unsigned int socket; /* CPU socket ID for allocations. */
200 unsigned int max_inline_data; /* Max inline data. */
201 unsigned int max_tso_header; /* Max TSO header size. */
202 struct mlx5_txq_ibv *ibv; /* Verbs queue object. */
203 struct mlx5_txq_data txq; /* Data path structure. */
204 off_t uar_mmap_offset; /* UAR mmap offset for non-primary process. */
205 volatile void *bf_reg_orig; /* Blueflame register from verbs. */
210 extern uint8_t rss_hash_default_key[];
211 extern const size_t rss_hash_default_key_len;
213 void mlx5_rxq_cleanup(struct mlx5_rxq_ctrl *);
214 int mlx5_rx_queue_setup(struct rte_eth_dev *, uint16_t, uint16_t, unsigned int,
215 const struct rte_eth_rxconf *, struct rte_mempool *);
216 void mlx5_rx_queue_release(void *);
217 int priv_rx_intr_vec_enable(struct priv *priv);
218 void priv_rx_intr_vec_disable(struct priv *priv);
219 int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
220 int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
221 struct mlx5_rxq_ibv *mlx5_priv_rxq_ibv_new(struct priv *, uint16_t);
222 struct mlx5_rxq_ibv *mlx5_priv_rxq_ibv_get(struct priv *, uint16_t);
223 int mlx5_priv_rxq_ibv_release(struct priv *, struct mlx5_rxq_ibv *);
224 int mlx5_priv_rxq_ibv_releasable(struct priv *, struct mlx5_rxq_ibv *);
225 int mlx5_priv_rxq_ibv_verify(struct priv *);
226 struct mlx5_rxq_ctrl *mlx5_priv_rxq_new(struct priv *, uint16_t,
227 uint16_t, unsigned int,
228 const struct rte_eth_rxconf *,
229 struct rte_mempool *);
230 struct mlx5_rxq_ctrl *mlx5_priv_rxq_get(struct priv *, uint16_t);
231 int mlx5_priv_rxq_release(struct priv *, uint16_t);
232 int mlx5_priv_rxq_releasable(struct priv *, uint16_t);
233 int mlx5_priv_rxq_verify(struct priv *);
234 int rxq_alloc_elts(struct mlx5_rxq_ctrl *);
235 struct mlx5_ind_table_ibv *mlx5_priv_ind_table_ibv_new(struct priv *,
238 struct mlx5_ind_table_ibv *mlx5_priv_ind_table_ibv_get(struct priv *,
241 int mlx5_priv_ind_table_ibv_release(struct priv *, struct mlx5_ind_table_ibv *);
242 int mlx5_priv_ind_table_ibv_verify(struct priv *);
243 struct mlx5_hrxq *mlx5_priv_hrxq_new(struct priv *, uint8_t *, uint8_t,
244 uint64_t, uint16_t [], uint16_t);
245 struct mlx5_hrxq *mlx5_priv_hrxq_get(struct priv *, uint8_t *, uint8_t,
246 uint64_t, uint16_t [], uint16_t);
247 int mlx5_priv_hrxq_release(struct priv *, struct mlx5_hrxq *);
248 int mlx5_priv_hrxq_ibv_verify(struct priv *);
249 uint64_t mlx5_priv_get_rx_port_offloads(struct priv *);
250 uint64_t mlx5_priv_get_rx_queue_offloads(struct priv *);
254 int mlx5_tx_queue_setup(struct rte_eth_dev *, uint16_t, uint16_t, unsigned int,
255 const struct rte_eth_txconf *);
256 void mlx5_tx_queue_release(void *);
257 int priv_tx_uar_remap(struct priv *priv, int fd);
258 struct mlx5_txq_ibv *mlx5_priv_txq_ibv_new(struct priv *, uint16_t);
259 struct mlx5_txq_ibv *mlx5_priv_txq_ibv_get(struct priv *, uint16_t);
260 int mlx5_priv_txq_ibv_release(struct priv *, struct mlx5_txq_ibv *);
261 int mlx5_priv_txq_ibv_releasable(struct priv *, struct mlx5_txq_ibv *);
262 int mlx5_priv_txq_ibv_verify(struct priv *);
263 struct mlx5_txq_ctrl *mlx5_priv_txq_new(struct priv *, uint16_t,
264 uint16_t, unsigned int,
265 const struct rte_eth_txconf *);
266 struct mlx5_txq_ctrl *mlx5_priv_txq_get(struct priv *, uint16_t);
267 int mlx5_priv_txq_release(struct priv *, uint16_t);
268 int mlx5_priv_txq_releasable(struct priv *, uint16_t);
269 int mlx5_priv_txq_verify(struct priv *);
270 void txq_alloc_elts(struct mlx5_txq_ctrl *);
271 uint64_t mlx5_priv_get_tx_port_offloads(struct priv *);
275 extern uint32_t mlx5_ptype_table[];
277 void mlx5_set_ptype_table(void);
278 uint16_t mlx5_tx_burst(void *, struct rte_mbuf **, uint16_t);
279 uint16_t mlx5_tx_burst_mpw(void *, struct rte_mbuf **, uint16_t);
280 uint16_t mlx5_tx_burst_mpw_inline(void *, struct rte_mbuf **, uint16_t);
281 uint16_t mlx5_tx_burst_empw(void *, struct rte_mbuf **, uint16_t);
282 uint16_t mlx5_rx_burst(void *, struct rte_mbuf **, uint16_t);
283 uint16_t removed_tx_burst(void *, struct rte_mbuf **, uint16_t);
284 uint16_t removed_rx_burst(void *, struct rte_mbuf **, uint16_t);
285 int mlx5_rx_descriptor_status(void *, uint16_t);
286 int mlx5_tx_descriptor_status(void *, uint16_t);
288 /* Vectorized version of mlx5_rxtx.c */
289 int priv_check_raw_vec_tx_support(struct priv *, struct rte_eth_dev *);
290 int priv_check_vec_tx_support(struct priv *, struct rte_eth_dev *);
291 int rxq_check_vec_support(struct mlx5_rxq_data *);
292 int priv_check_vec_rx_support(struct priv *);
293 uint16_t mlx5_tx_burst_raw_vec(void *, struct rte_mbuf **, uint16_t);
294 uint16_t mlx5_tx_burst_vec(void *, struct rte_mbuf **, uint16_t);
295 uint16_t mlx5_rx_burst_vec(void *, struct rte_mbuf **, uint16_t);
299 void mlx5_mp2mr_iter(struct rte_mempool *, void *);
300 struct mlx5_mr *priv_txq_mp2mr_reg(struct priv *priv, struct mlx5_txq_data *,
301 struct rte_mempool *, unsigned int);
302 struct mlx5_mr *mlx5_txq_mp2mr_reg(struct mlx5_txq_data *, struct rte_mempool *,
307 * Verify or set magic value in CQE.
316 check_cqe_seen(volatile struct mlx5_cqe *cqe)
318 static const uint8_t magic[] = "seen";
319 volatile uint8_t (*buf)[sizeof(cqe->rsvd0)] = &cqe->rsvd0;
323 for (i = 0; i < sizeof(magic) && i < sizeof(*buf); ++i)
324 if (!ret || (*buf)[i] != magic[i]) {
326 (*buf)[i] = magic[i];
333 * Check whether CQE is valid.
338 * Size of completion queue.
343 * 0 on success, 1 on failure.
345 static __rte_always_inline int
346 check_cqe(volatile struct mlx5_cqe *cqe,
347 unsigned int cqes_n, const uint16_t ci)
349 uint16_t idx = ci & cqes_n;
350 uint8_t op_own = cqe->op_own;
351 uint8_t op_owner = MLX5_CQE_OWNER(op_own);
352 uint8_t op_code = MLX5_CQE_OPCODE(op_own);
354 if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID)))
355 return 1; /* No CQE. */
357 if ((op_code == MLX5_CQE_RESP_ERR) ||
358 (op_code == MLX5_CQE_REQ_ERR)) {
359 volatile struct mlx5_err_cqe *err_cqe = (volatile void *)cqe;
360 uint8_t syndrome = err_cqe->syndrome;
362 if ((syndrome == MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR) ||
363 (syndrome == MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR))
365 if (!check_cqe_seen(cqe)) {
366 ERROR("unexpected CQE error %u (0x%02x)"
368 op_code, op_code, syndrome);
369 rte_hexdump(stderr, "MLX5 Error CQE:",
370 (const void *)((uintptr_t)err_cqe),
374 } else if ((op_code != MLX5_CQE_RESP_SEND) &&
375 (op_code != MLX5_CQE_REQ)) {
376 if (!check_cqe_seen(cqe)) {
377 ERROR("unexpected CQE opcode %u (0x%02x)",
379 rte_hexdump(stderr, "MLX5 CQE:",
380 (const void *)((uintptr_t)cqe),
390 * Return the address of the WQE.
393 * Pointer to TX queue structure.
395 * WQE consumer index.
400 static inline uintptr_t *
401 tx_mlx5_wqe(struct mlx5_txq_data *txq, uint16_t ci)
403 ci &= ((1 << txq->wqe_n) - 1);
404 return (uintptr_t *)((uintptr_t)txq->wqes + ci * MLX5_WQE_SIZE);
408 * Manage TX completions.
410 * When sending a burst, mlx5_tx_burst() posts several WRs.
413 * Pointer to TX queue structure.
415 static __rte_always_inline void
416 mlx5_tx_complete(struct mlx5_txq_data *txq)
418 const uint16_t elts_n = 1 << txq->elts_n;
419 const uint16_t elts_m = elts_n - 1;
420 const unsigned int cqe_n = 1 << txq->cqe_n;
421 const unsigned int cqe_cnt = cqe_n - 1;
422 uint16_t elts_free = txq->elts_tail;
424 uint16_t cq_ci = txq->cq_ci;
425 volatile struct mlx5_cqe *cqe = NULL;
426 volatile struct mlx5_wqe_ctrl *ctrl;
427 struct rte_mbuf *m, *free[elts_n];
428 struct rte_mempool *pool = NULL;
429 unsigned int blk_n = 0;
431 cqe = &(*txq->cqes)[cq_ci & cqe_cnt];
432 if (unlikely(check_cqe(cqe, cqe_n, cq_ci)))
435 if ((MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_RESP_ERR) ||
436 (MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_REQ_ERR)) {
437 if (!check_cqe_seen(cqe)) {
438 ERROR("unexpected error CQE, TX stopped");
439 rte_hexdump(stderr, "MLX5 TXQ:",
440 (const void *)((uintptr_t)txq->wqes),
448 txq->wqe_pi = rte_be_to_cpu_16(cqe->wqe_counter);
449 ctrl = (volatile struct mlx5_wqe_ctrl *)
450 tx_mlx5_wqe(txq, txq->wqe_pi);
451 elts_tail = ctrl->ctrl3;
452 assert((elts_tail & elts_m) < (1 << txq->wqe_n));
454 while (elts_free != elts_tail) {
455 m = rte_pktmbuf_prefree_seg((*txq->elts)[elts_free++ & elts_m]);
456 if (likely(m != NULL)) {
457 if (likely(m->pool == pool)) {
460 if (likely(pool != NULL))
461 rte_mempool_put_bulk(pool,
471 rte_mempool_put_bulk(pool, (void *)free, blk_n);
473 elts_free = txq->elts_tail;
475 while (elts_free != elts_tail) {
476 memset(&(*txq->elts)[elts_free & elts_m],
478 sizeof((*txq->elts)[elts_free & elts_m]));
483 txq->elts_tail = elts_tail;
484 /* Update the consumer index. */
485 rte_compiler_barrier();
486 *txq->cq_db = rte_cpu_to_be_32(cq_ci);
490 * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which
491 * the cloned mbuf is allocated is returned instead.
497 * Memory pool where data is located for given mbuf.
499 static struct rte_mempool *
500 mlx5_tx_mb2mp(struct rte_mbuf *buf)
502 if (unlikely(RTE_MBUF_INDIRECT(buf)))
503 return rte_mbuf_from_indirect(buf)->pool;
508 * Get Memory Region (MR) <-> rte_mbuf association from txq->mp2mr[].
509 * Add MP to txq->mp2mr[] if it's not registered yet. If mp2mr[] is full,
510 * remove an entry first.
513 * Pointer to TX queue structure.
515 * Memory Pool for which a Memory Region lkey must be returned.
518 * mr->lkey on success, (uint32_t)-1 on failure.
520 static __rte_always_inline uint32_t
521 mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
523 uint16_t i = txq->mr_cache_idx;
524 uintptr_t addr = rte_pktmbuf_mtod(mb, uintptr_t);
527 assert(i < RTE_DIM(txq->mp2mr));
528 if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end > addr))
529 return txq->mp2mr[i]->lkey;
530 for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
531 if (unlikely(txq->mp2mr[i] == NULL ||
532 txq->mp2mr[i]->mr == NULL)) {
533 /* Unknown MP, add a new MR for it. */
536 if (txq->mp2mr[i]->start <= addr &&
537 txq->mp2mr[i]->end > addr) {
538 assert(txq->mp2mr[i]->lkey != (uint32_t)-1);
539 txq->mr_cache_idx = i;
540 return txq->mp2mr[i]->lkey;
543 mr = mlx5_txq_mp2mr_reg(txq, mlx5_tx_mb2mp(mb), i);
545 * Request the reference to use in this queue, the original one is
546 * kept by the control plane.
549 rte_atomic32_inc(&mr->refcnt);
550 txq->mr_cache_idx = i >= RTE_DIM(txq->mp2mr) ? i - 1 : i;
553 struct rte_mempool *mp = mlx5_tx_mb2mp(mb);
555 WARN("Failed to register mempool 0x%p(%s)",
556 (void *)mp, mp->name);
562 * Ring TX queue doorbell and flush the update if requested.
565 * Pointer to TX queue structure.
567 * Pointer to the last WQE posted in the NIC.
569 * Request for write memory barrier after BlueFlame update.
571 static __rte_always_inline void
572 mlx5_tx_dbrec_cond_wmb(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe,
575 uint64_t *dst = (uint64_t *)((uintptr_t)txq->bf_reg);
576 volatile uint64_t *src = ((volatile uint64_t *)wqe);
579 *txq->qp_db = rte_cpu_to_be_32(txq->wqe_ci);
580 /* Ensure ordering between DB record and BF copy. */
588 * Ring TX queue doorbell and flush the update by write memory barrier.
591 * Pointer to TX queue structure.
593 * Pointer to the last WQE posted in the NIC.
595 static __rte_always_inline void
596 mlx5_tx_dbrec(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe)
598 mlx5_tx_dbrec_cond_wmb(txq, wqe, 1);
602 * Convert the Checksum offloads to Verbs.
605 * Pointer to the Tx queue.
607 * Pointer to the mbuf.
610 * the converted cs_flags.
612 static __rte_always_inline uint8_t
613 txq_ol_cksum_to_cs(struct mlx5_txq_data *txq_data, struct rte_mbuf *buf)
615 uint8_t cs_flags = 0;
617 /* Should we enable HW CKSUM offload */
619 (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM |
620 PKT_TX_OUTER_IP_CKSUM)) {
621 if (txq_data->tunnel_en &&
623 (PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN))) {
624 cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
625 MLX5_ETH_WQE_L4_INNER_CSUM;
626 if (buf->ol_flags & PKT_TX_OUTER_IP_CKSUM)
627 cs_flags |= MLX5_ETH_WQE_L3_CSUM;
629 cs_flags = MLX5_ETH_WQE_L3_CSUM |
630 MLX5_ETH_WQE_L4_CSUM;
637 * Count the number of contiguous single segment packets.
640 * Pointer to array of packets.
645 * Number of contiguous single segment packets.
647 static __rte_always_inline unsigned int
648 txq_count_contig_single_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
654 /* Count the number of contiguous single segment packets. */
655 for (pos = 0; pos < pkts_n; ++pos)
656 if (NB_SEGS(pkts[pos]) > 1)
662 * Count the number of contiguous multi-segment packets.
665 * Pointer to array of packets.
670 * Number of contiguous multi-segment packets.
672 static __rte_always_inline unsigned int
673 txq_count_contig_multi_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
679 /* Count the number of contiguous multi-segment packets. */
680 for (pos = 0; pos < pkts_n; ++pos)
681 if (NB_SEGS(pkts[pos]) == 1)
686 #endif /* RTE_PMD_MLX5_RXTX_H_ */