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. */
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. */
209 extern uint8_t rss_hash_default_key[];
210 extern const size_t rss_hash_default_key_len;
212 void mlx5_rxq_cleanup(struct mlx5_rxq_ctrl *);
213 int mlx5_rx_queue_setup(struct rte_eth_dev *, uint16_t, uint16_t, unsigned int,
214 const struct rte_eth_rxconf *, struct rte_mempool *);
215 void mlx5_rx_queue_release(void *);
216 int priv_rx_intr_vec_enable(struct priv *priv);
217 void priv_rx_intr_vec_disable(struct priv *priv);
218 int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
219 int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
220 struct mlx5_rxq_ibv *mlx5_priv_rxq_ibv_new(struct priv *, uint16_t);
221 struct mlx5_rxq_ibv *mlx5_priv_rxq_ibv_get(struct priv *, uint16_t);
222 int mlx5_priv_rxq_ibv_release(struct priv *, struct mlx5_rxq_ibv *);
223 int mlx5_priv_rxq_ibv_releasable(struct priv *, struct mlx5_rxq_ibv *);
224 int mlx5_priv_rxq_ibv_verify(struct priv *);
225 struct mlx5_rxq_ctrl *mlx5_priv_rxq_new(struct priv *, uint16_t,
226 uint16_t, unsigned int,
227 const struct rte_eth_rxconf *,
228 struct rte_mempool *);
229 struct mlx5_rxq_ctrl *mlx5_priv_rxq_get(struct priv *, uint16_t);
230 int mlx5_priv_rxq_release(struct priv *, uint16_t);
231 int mlx5_priv_rxq_releasable(struct priv *, uint16_t);
232 int mlx5_priv_rxq_verify(struct priv *);
233 int rxq_alloc_elts(struct mlx5_rxq_ctrl *);
234 struct mlx5_ind_table_ibv *mlx5_priv_ind_table_ibv_new(struct priv *,
237 struct mlx5_ind_table_ibv *mlx5_priv_ind_table_ibv_get(struct priv *,
240 int mlx5_priv_ind_table_ibv_release(struct priv *, struct mlx5_ind_table_ibv *);
241 int mlx5_priv_ind_table_ibv_verify(struct priv *);
242 struct mlx5_hrxq *mlx5_priv_hrxq_new(struct priv *, uint8_t *, uint8_t,
243 uint64_t, uint16_t [], uint16_t);
244 struct mlx5_hrxq *mlx5_priv_hrxq_get(struct priv *, uint8_t *, uint8_t,
245 uint64_t, uint16_t [], uint16_t);
246 int mlx5_priv_hrxq_release(struct priv *, struct mlx5_hrxq *);
247 int mlx5_priv_hrxq_ibv_verify(struct priv *);
248 uint64_t mlx5_priv_get_rx_port_offloads(struct priv *);
249 uint64_t mlx5_priv_get_rx_queue_offloads(struct priv *);
253 int mlx5_tx_queue_setup(struct rte_eth_dev *, uint16_t, uint16_t, unsigned int,
254 const struct rte_eth_txconf *);
255 void mlx5_tx_queue_release(void *);
256 int priv_tx_uar_remap(struct priv *priv, int fd);
257 struct mlx5_txq_ibv *mlx5_priv_txq_ibv_new(struct priv *, uint16_t);
258 struct mlx5_txq_ibv *mlx5_priv_txq_ibv_get(struct priv *, uint16_t);
259 int mlx5_priv_txq_ibv_release(struct priv *, struct mlx5_txq_ibv *);
260 int mlx5_priv_txq_ibv_releasable(struct priv *, struct mlx5_txq_ibv *);
261 int mlx5_priv_txq_ibv_verify(struct priv *);
262 struct mlx5_txq_ctrl *mlx5_priv_txq_new(struct priv *, uint16_t,
263 uint16_t, unsigned int,
264 const struct rte_eth_txconf *);
265 struct mlx5_txq_ctrl *mlx5_priv_txq_get(struct priv *, uint16_t);
266 int mlx5_priv_txq_release(struct priv *, uint16_t);
267 int mlx5_priv_txq_releasable(struct priv *, uint16_t);
268 int mlx5_priv_txq_verify(struct priv *);
269 void txq_alloc_elts(struct mlx5_txq_ctrl *);
270 uint64_t mlx5_priv_get_tx_port_offloads(struct priv *);
274 extern uint32_t mlx5_ptype_table[];
276 void mlx5_set_ptype_table(void);
277 uint16_t mlx5_tx_burst(void *, struct rte_mbuf **, uint16_t);
278 uint16_t mlx5_tx_burst_mpw(void *, struct rte_mbuf **, uint16_t);
279 uint16_t mlx5_tx_burst_mpw_inline(void *, struct rte_mbuf **, uint16_t);
280 uint16_t mlx5_tx_burst_empw(void *, struct rte_mbuf **, uint16_t);
281 uint16_t mlx5_rx_burst(void *, struct rte_mbuf **, uint16_t);
282 uint16_t removed_tx_burst(void *, struct rte_mbuf **, uint16_t);
283 uint16_t removed_rx_burst(void *, struct rte_mbuf **, uint16_t);
284 int mlx5_rx_descriptor_status(void *, uint16_t);
285 int mlx5_tx_descriptor_status(void *, uint16_t);
287 /* Vectorized version of mlx5_rxtx.c */
288 int priv_check_raw_vec_tx_support(struct priv *, struct rte_eth_dev *);
289 int priv_check_vec_tx_support(struct priv *, struct rte_eth_dev *);
290 int rxq_check_vec_support(struct mlx5_rxq_data *);
291 int priv_check_vec_rx_support(struct priv *);
292 uint16_t mlx5_tx_burst_raw_vec(void *, struct rte_mbuf **, uint16_t);
293 uint16_t mlx5_tx_burst_vec(void *, struct rte_mbuf **, uint16_t);
294 uint16_t mlx5_rx_burst_vec(void *, struct rte_mbuf **, uint16_t);
298 void mlx5_mp2mr_iter(struct rte_mempool *, void *);
299 struct mlx5_mr *priv_txq_mp2mr_reg(struct priv *priv, struct mlx5_txq_data *,
300 struct rte_mempool *, unsigned int);
301 struct mlx5_mr *mlx5_txq_mp2mr_reg(struct mlx5_txq_data *, struct rte_mempool *,
306 * Verify or set magic value in CQE.
315 check_cqe_seen(volatile struct mlx5_cqe *cqe)
317 static const uint8_t magic[] = "seen";
318 volatile uint8_t (*buf)[sizeof(cqe->rsvd0)] = &cqe->rsvd0;
322 for (i = 0; i < sizeof(magic) && i < sizeof(*buf); ++i)
323 if (!ret || (*buf)[i] != magic[i]) {
325 (*buf)[i] = magic[i];
332 * Check whether CQE is valid.
337 * Size of completion queue.
342 * 0 on success, 1 on failure.
344 static __rte_always_inline int
345 check_cqe(volatile struct mlx5_cqe *cqe,
346 unsigned int cqes_n, const uint16_t ci)
348 uint16_t idx = ci & cqes_n;
349 uint8_t op_own = cqe->op_own;
350 uint8_t op_owner = MLX5_CQE_OWNER(op_own);
351 uint8_t op_code = MLX5_CQE_OPCODE(op_own);
353 if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID)))
354 return 1; /* No CQE. */
356 if ((op_code == MLX5_CQE_RESP_ERR) ||
357 (op_code == MLX5_CQE_REQ_ERR)) {
358 volatile struct mlx5_err_cqe *err_cqe = (volatile void *)cqe;
359 uint8_t syndrome = err_cqe->syndrome;
361 if ((syndrome == MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR) ||
362 (syndrome == MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR))
364 if (!check_cqe_seen(cqe)) {
365 ERROR("unexpected CQE error %u (0x%02x)"
367 op_code, op_code, syndrome);
368 rte_hexdump(stderr, "MLX5 Error CQE:",
369 (const void *)((uintptr_t)err_cqe),
373 } else if ((op_code != MLX5_CQE_RESP_SEND) &&
374 (op_code != MLX5_CQE_REQ)) {
375 if (!check_cqe_seen(cqe)) {
376 ERROR("unexpected CQE opcode %u (0x%02x)",
378 rte_hexdump(stderr, "MLX5 CQE:",
379 (const void *)((uintptr_t)cqe),
389 * Return the address of the WQE.
392 * Pointer to TX queue structure.
394 * WQE consumer index.
399 static inline uintptr_t *
400 tx_mlx5_wqe(struct mlx5_txq_data *txq, uint16_t ci)
402 ci &= ((1 << txq->wqe_n) - 1);
403 return (uintptr_t *)((uintptr_t)txq->wqes + ci * MLX5_WQE_SIZE);
407 * Manage TX completions.
409 * When sending a burst, mlx5_tx_burst() posts several WRs.
412 * Pointer to TX queue structure.
414 static __rte_always_inline void
415 mlx5_tx_complete(struct mlx5_txq_data *txq)
417 const uint16_t elts_n = 1 << txq->elts_n;
418 const uint16_t elts_m = elts_n - 1;
419 const unsigned int cqe_n = 1 << txq->cqe_n;
420 const unsigned int cqe_cnt = cqe_n - 1;
421 uint16_t elts_free = txq->elts_tail;
423 uint16_t cq_ci = txq->cq_ci;
424 volatile struct mlx5_cqe *cqe = NULL;
425 volatile struct mlx5_wqe_ctrl *ctrl;
426 struct rte_mbuf *m, *free[elts_n];
427 struct rte_mempool *pool = NULL;
428 unsigned int blk_n = 0;
430 cqe = &(*txq->cqes)[cq_ci & cqe_cnt];
431 if (unlikely(check_cqe(cqe, cqe_n, cq_ci)))
434 if ((MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_RESP_ERR) ||
435 (MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_REQ_ERR)) {
436 if (!check_cqe_seen(cqe)) {
437 ERROR("unexpected error CQE, TX stopped");
438 rte_hexdump(stderr, "MLX5 TXQ:",
439 (const void *)((uintptr_t)txq->wqes),
447 txq->wqe_pi = rte_be_to_cpu_16(cqe->wqe_counter);
448 ctrl = (volatile struct mlx5_wqe_ctrl *)
449 tx_mlx5_wqe(txq, txq->wqe_pi);
450 elts_tail = ctrl->ctrl3;
451 assert((elts_tail & elts_m) < (1 << txq->wqe_n));
453 while (elts_free != elts_tail) {
454 m = rte_pktmbuf_prefree_seg((*txq->elts)[elts_free++ & elts_m]);
455 if (likely(m != NULL)) {
456 if (likely(m->pool == pool)) {
459 if (likely(pool != NULL))
460 rte_mempool_put_bulk(pool,
470 rte_mempool_put_bulk(pool, (void *)free, blk_n);
472 elts_free = txq->elts_tail;
474 while (elts_free != elts_tail) {
475 memset(&(*txq->elts)[elts_free & elts_m],
477 sizeof((*txq->elts)[elts_free & elts_m]));
482 txq->elts_tail = elts_tail;
483 /* Update the consumer index. */
484 rte_compiler_barrier();
485 *txq->cq_db = rte_cpu_to_be_32(cq_ci);
489 * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which
490 * the cloned mbuf is allocated is returned instead.
496 * Memory pool where data is located for given mbuf.
498 static struct rte_mempool *
499 mlx5_tx_mb2mp(struct rte_mbuf *buf)
501 if (unlikely(RTE_MBUF_INDIRECT(buf)))
502 return rte_mbuf_from_indirect(buf)->pool;
507 * Get Memory Region (MR) <-> rte_mbuf association from txq->mp2mr[].
508 * Add MP to txq->mp2mr[] if it's not registered yet. If mp2mr[] is full,
509 * remove an entry first.
512 * Pointer to TX queue structure.
514 * Memory Pool for which a Memory Region lkey must be returned.
517 * mr->lkey on success, (uint32_t)-1 on failure.
519 static __rte_always_inline uint32_t
520 mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
522 uint16_t i = txq->mr_cache_idx;
523 uintptr_t addr = rte_pktmbuf_mtod(mb, uintptr_t);
526 assert(i < RTE_DIM(txq->mp2mr));
527 if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end >= addr))
528 return txq->mp2mr[i]->lkey;
529 for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
530 if (unlikely(txq->mp2mr[i]->mr == NULL)) {
531 /* Unknown MP, add a new MR for it. */
534 if (txq->mp2mr[i]->start <= addr &&
535 txq->mp2mr[i]->end >= addr) {
536 assert(txq->mp2mr[i]->lkey != (uint32_t)-1);
537 assert(rte_cpu_to_be_32(txq->mp2mr[i]->mr->lkey) ==
538 txq->mp2mr[i]->lkey);
539 txq->mr_cache_idx = i;
540 return txq->mp2mr[i]->lkey;
543 txq->mr_cache_idx = 0;
544 mr = mlx5_txq_mp2mr_reg(txq, mlx5_tx_mb2mp(mb), i);
546 * Request the reference to use in this queue, the original one is
547 * kept by the control plane.
550 rte_atomic32_inc(&mr->refcnt);
557 * Ring TX queue doorbell and flush the update if requested.
560 * Pointer to TX queue structure.
562 * Pointer to the last WQE posted in the NIC.
564 * Request for write memory barrier after BlueFlame update.
566 static __rte_always_inline void
567 mlx5_tx_dbrec_cond_wmb(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe,
570 uint64_t *dst = (uint64_t *)((uintptr_t)txq->bf_reg);
571 volatile uint64_t *src = ((volatile uint64_t *)wqe);
574 *txq->qp_db = rte_cpu_to_be_32(txq->wqe_ci);
575 /* Ensure ordering between DB record and BF copy. */
583 * Ring TX queue doorbell and flush the update by write memory barrier.
586 * Pointer to TX queue structure.
588 * Pointer to the last WQE posted in the NIC.
590 static __rte_always_inline void
591 mlx5_tx_dbrec(struct mlx5_txq_data *txq, volatile struct mlx5_wqe *wqe)
593 mlx5_tx_dbrec_cond_wmb(txq, wqe, 1);
597 * Convert the Checksum offloads to Verbs.
600 * Pointer to the Tx queue.
602 * Pointer to the mbuf.
605 * the converted cs_flags.
607 static __rte_always_inline uint8_t
608 txq_ol_cksum_to_cs(struct mlx5_txq_data *txq_data, struct rte_mbuf *buf)
610 uint8_t cs_flags = 0;
612 /* Should we enable HW CKSUM offload */
614 (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM |
615 PKT_TX_OUTER_IP_CKSUM)) {
616 if (txq_data->tunnel_en &&
618 (PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN))) {
619 cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
620 MLX5_ETH_WQE_L4_INNER_CSUM;
621 if (buf->ol_flags & PKT_TX_OUTER_IP_CKSUM)
622 cs_flags |= MLX5_ETH_WQE_L3_CSUM;
624 cs_flags = MLX5_ETH_WQE_L3_CSUM |
625 MLX5_ETH_WQE_L4_CSUM;
632 * Count the number of contiguous single segment packets.
635 * Pointer to array of packets.
640 * Number of contiguous single segment packets.
642 static __rte_always_inline unsigned int
643 txq_count_contig_single_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
649 /* Count the number of contiguous single segment packets. */
650 for (pos = 0; pos < pkts_n; ++pos)
651 if (NB_SEGS(pkts[pos]) > 1)
657 * Count the number of contiguous multi-segment packets.
660 * Pointer to array of packets.
665 * Number of contiguous multi-segment packets.
667 static __rte_always_inline unsigned int
668 txq_count_contig_multi_seg(struct rte_mbuf **pkts, uint16_t pkts_n)
674 /* Count the number of contiguous multi-segment packets. */
675 for (pos = 0; pos < pkts_n; ++pos)
676 if (NB_SEGS(pkts[pos]) == 1)
681 #endif /* RTE_PMD_MLX5_RXTX_H_ */