1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation.
3 * Copyright 2014 6WIND S.A.
14 #include <sys/queue.h>
16 #include <rte_compat.h>
17 #include <rte_debug.h>
18 #include <rte_common.h>
20 #include <rte_memory.h>
21 #include <rte_launch.h>
23 #include <rte_per_lcore.h>
24 #include <rte_lcore.h>
25 #include <rte_atomic.h>
26 #include <rte_branch_prediction.h>
27 #include <rte_mempool.h>
29 #include <rte_mbuf_pool_ops.h>
30 #include <rte_string_fns.h>
31 #include <rte_hexdump.h>
32 #include <rte_errno.h>
33 #include <rte_memcpy.h>
36 * pktmbuf pool constructor, given as a callback function to
37 * rte_mempool_create(), or called directly if using
38 * rte_mempool_create_empty()/rte_mempool_populate()
41 rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg)
43 struct rte_pktmbuf_pool_private *user_mbp_priv, *mbp_priv;
44 struct rte_pktmbuf_pool_private default_mbp_priv;
47 RTE_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf));
49 /* if no structure is provided, assume no mbuf private area */
50 user_mbp_priv = opaque_arg;
51 if (user_mbp_priv == NULL) {
52 memset(&default_mbp_priv, 0, sizeof(default_mbp_priv));
53 if (mp->elt_size > sizeof(struct rte_mbuf))
54 roomsz = mp->elt_size - sizeof(struct rte_mbuf);
57 default_mbp_priv.mbuf_data_room_size = roomsz;
58 user_mbp_priv = &default_mbp_priv;
61 RTE_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf) +
62 user_mbp_priv->mbuf_data_room_size +
63 user_mbp_priv->mbuf_priv_size);
64 RTE_ASSERT(user_mbp_priv->flags == 0);
66 mbp_priv = rte_mempool_get_priv(mp);
67 memcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv));
71 * pktmbuf constructor, given as a callback function to
72 * rte_mempool_obj_iter() or rte_mempool_create().
73 * Set the fields of a packet mbuf to their default values.
76 rte_pktmbuf_init(struct rte_mempool *mp,
77 __attribute__((unused)) void *opaque_arg,
79 __attribute__((unused)) unsigned i)
81 struct rte_mbuf *m = _m;
82 uint32_t mbuf_size, buf_len, priv_size;
84 priv_size = rte_pktmbuf_priv_size(mp);
85 mbuf_size = sizeof(struct rte_mbuf) + priv_size;
86 buf_len = rte_pktmbuf_data_room_size(mp);
88 RTE_ASSERT(RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) == priv_size);
89 RTE_ASSERT(mp->elt_size >= mbuf_size);
90 RTE_ASSERT(buf_len <= UINT16_MAX);
92 memset(m, 0, mbuf_size);
93 /* start of buffer is after mbuf structure and priv data */
94 m->priv_size = priv_size;
95 m->buf_addr = (char *)m + mbuf_size;
96 m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
97 m->buf_len = (uint16_t)buf_len;
99 /* keep some headroom between start of buffer and data */
100 m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, (uint16_t)m->buf_len);
102 /* init some constant fields */
105 m->port = MBUF_INVALID_PORT;
106 rte_mbuf_refcnt_set(m, 1);
110 /* Helper to create a mbuf pool with given mempool ops name*/
112 rte_pktmbuf_pool_create_by_ops(const char *name, unsigned int n,
113 unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
114 int socket_id, const char *ops_name)
116 struct rte_mempool *mp;
117 struct rte_pktmbuf_pool_private mbp_priv;
118 const char *mp_ops_name = ops_name;
122 if (RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) != priv_size) {
123 RTE_LOG(ERR, MBUF, "mbuf priv_size=%u is not aligned\n",
128 elt_size = sizeof(struct rte_mbuf) + (unsigned)priv_size +
129 (unsigned)data_room_size;
130 memset(&mbp_priv, 0, sizeof(mbp_priv));
131 mbp_priv.mbuf_data_room_size = data_room_size;
132 mbp_priv.mbuf_priv_size = priv_size;
134 mp = rte_mempool_create_empty(name, n, elt_size, cache_size,
135 sizeof(struct rte_pktmbuf_pool_private), socket_id, 0);
139 if (mp_ops_name == NULL)
140 mp_ops_name = rte_mbuf_best_mempool_ops();
141 ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL);
143 RTE_LOG(ERR, MBUF, "error setting mempool handler\n");
144 rte_mempool_free(mp);
148 rte_pktmbuf_pool_init(mp, &mbp_priv);
150 ret = rte_mempool_populate_default(mp);
152 rte_mempool_free(mp);
157 rte_mempool_obj_iter(mp, rte_pktmbuf_init, NULL);
162 /* helper to create a mbuf pool */
164 rte_pktmbuf_pool_create(const char *name, unsigned int n,
165 unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
168 return rte_pktmbuf_pool_create_by_ops(name, n, cache_size, priv_size,
169 data_room_size, socket_id, NULL);
172 /* do some sanity checks on a mbuf: panic if it fails */
174 rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
178 if (rte_mbuf_check(m, is_header, &reason))
179 rte_panic("%s\n", reason);
182 int rte_mbuf_check(const struct rte_mbuf *m, int is_header,
185 unsigned int nb_segs, pkt_len;
188 *reason = "mbuf is NULL";
193 if (m->pool == NULL) {
194 *reason = "bad mbuf pool";
197 if (m->buf_iova == 0) {
198 *reason = "bad IO addr";
201 if (m->buf_addr == NULL) {
202 *reason = "bad virt addr";
206 uint16_t cnt = rte_mbuf_refcnt_read(m);
207 if ((cnt == 0) || (cnt == UINT16_MAX)) {
208 *reason = "bad ref cnt";
212 /* nothing to check for sub-segments */
216 /* data_len is supposed to be not more than pkt_len */
217 if (m->data_len > m->pkt_len) {
218 *reason = "bad data_len";
222 nb_segs = m->nb_segs;
223 pkt_len = m->pkt_len;
226 if (m->data_off > m->buf_len) {
227 *reason = "data offset too big in mbuf segment";
230 if (m->data_off + m->data_len > m->buf_len) {
231 *reason = "data length too big in mbuf segment";
235 pkt_len -= m->data_len;
236 } while ((m = m->next) != NULL);
239 *reason = "bad nb_segs";
243 *reason = "bad pkt_len";
251 * @internal helper function for freeing a bulk of packet mbuf segments
252 * via an array holding the packet mbuf segments from the same mempool
253 * pending to be freed.
256 * The packet mbuf segment to be freed.
258 * Pointer to the array of packet mbuf segments pending to be freed.
260 * Pointer to the number of elements held in the array.
262 * Number of elements the array can hold.
263 * Note: The compiler should optimize this parameter away when using a
264 * constant value, such as RTE_PKTMBUF_FREE_PENDING_SZ.
267 __rte_pktmbuf_free_seg_via_array(struct rte_mbuf *m,
268 struct rte_mbuf ** const pending, unsigned int * const nb_pending,
269 const unsigned int pending_sz)
271 m = rte_pktmbuf_prefree_seg(m);
272 if (likely(m != NULL)) {
273 if (*nb_pending == pending_sz ||
274 (*nb_pending > 0 && m->pool != pending[0]->pool)) {
275 rte_mempool_put_bulk(pending[0]->pool,
276 (void **)pending, *nb_pending);
280 pending[(*nb_pending)++] = m;
285 * Size of the array holding mbufs from the same mempool pending to be freed
288 #define RTE_PKTMBUF_FREE_PENDING_SZ 64
290 /* Free a bulk of packet mbufs back into their original mempools. */
291 void rte_pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int count)
293 struct rte_mbuf *m, *m_next, *pending[RTE_PKTMBUF_FREE_PENDING_SZ];
294 unsigned int idx, nb_pending = 0;
296 for (idx = 0; idx < count; idx++) {
298 if (unlikely(m == NULL))
301 __rte_mbuf_sanity_check(m, 1);
305 __rte_pktmbuf_free_seg_via_array(m,
306 pending, &nb_pending,
307 RTE_PKTMBUF_FREE_PENDING_SZ);
313 rte_mempool_put_bulk(pending[0]->pool, (void **)pending, nb_pending);
316 /* Creates a shallow copy of mbuf */
318 rte_pktmbuf_clone(struct rte_mbuf *md, struct rte_mempool *mp)
320 struct rte_mbuf *mc, *mi, **prev;
324 mc = rte_pktmbuf_alloc(mp);
325 if (unlikely(mc == NULL))
330 pktlen = md->pkt_len;
335 rte_pktmbuf_attach(mi, md);
338 } while ((md = md->next) != NULL &&
339 (mi = rte_pktmbuf_alloc(mp)) != NULL);
343 mc->pkt_len = pktlen;
345 /* Allocation of new indirect segment failed */
346 if (unlikely(mi == NULL)) {
347 rte_pktmbuf_free(mc);
351 __rte_mbuf_sanity_check(mc, 1);
355 /* convert multi-segment mbuf to single mbuf */
357 __rte_pktmbuf_linearize(struct rte_mbuf *mbuf)
359 size_t seg_len, copy_len;
361 struct rte_mbuf *m_next;
364 /* Extend first segment to the total packet length */
365 copy_len = rte_pktmbuf_pkt_len(mbuf) - rte_pktmbuf_data_len(mbuf);
367 if (unlikely(copy_len > rte_pktmbuf_tailroom(mbuf)))
370 buffer = rte_pktmbuf_mtod_offset(mbuf, char *, mbuf->data_len);
371 mbuf->data_len = (uint16_t)(mbuf->pkt_len);
373 /* Append data from next segments to the first one */
378 seg_len = rte_pktmbuf_data_len(m);
379 rte_memcpy(buffer, rte_pktmbuf_mtod(m, char *), seg_len);
382 rte_pktmbuf_free_seg(m);
392 /* Create a deep copy of mbuf */
394 rte_pktmbuf_copy(const struct rte_mbuf *m, struct rte_mempool *mp,
395 uint32_t off, uint32_t len)
397 const struct rte_mbuf *seg = m;
398 struct rte_mbuf *mc, *m_last, **prev;
400 /* garbage in check */
401 __rte_mbuf_sanity_check(m, 1);
403 /* check for request to copy at offset past end of mbuf */
404 if (unlikely(off >= m->pkt_len))
407 mc = rte_pktmbuf_alloc(mp);
408 if (unlikely(mc == NULL))
411 /* truncate requested length to available data */
412 if (len > m->pkt_len - off)
413 len = m->pkt_len - off;
415 __rte_pktmbuf_copy_hdr(mc, m);
417 /* copied mbuf is not indirect or external */
418 mc->ol_flags = m->ol_flags & ~(IND_ATTACHED_MBUF|EXT_ATTACHED_MBUF);
425 /* skip leading mbuf segments */
426 while (off >= seg->data_len) {
427 off -= seg->data_len;
431 /* current buffer is full, chain a new one */
432 if (rte_pktmbuf_tailroom(m_last) == 0) {
433 m_last = rte_pktmbuf_alloc(mp);
434 if (unlikely(m_last == NULL)) {
435 rte_pktmbuf_free(mc);
440 prev = &m_last->next;
444 * copy the min of data in input segment (seg)
445 * vs space available in output (m_last)
447 copy_len = RTE_MIN(seg->data_len - off, len);
448 if (copy_len > rte_pktmbuf_tailroom(m_last))
449 copy_len = rte_pktmbuf_tailroom(m_last);
451 /* append from seg to m_last */
452 rte_memcpy(rte_pktmbuf_mtod_offset(m_last, char *,
454 rte_pktmbuf_mtod_offset(seg, char *, off),
457 /* update offsets and lengths */
458 m_last->data_len += copy_len;
459 mc->pkt_len += copy_len;
464 /* garbage out check */
465 __rte_mbuf_sanity_check(mc, 1);
469 /* dump a mbuf on console */
471 rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len)
474 unsigned int nb_segs;
476 __rte_mbuf_sanity_check(m, 1);
478 fprintf(f, "dump mbuf at %p, iova=%"PRIx64", buf_len=%u\n",
479 m, (uint64_t)m->buf_iova, (unsigned)m->buf_len);
480 fprintf(f, " pkt_len=%"PRIu32", ol_flags=%"PRIx64", nb_segs=%u, "
481 "in_port=%u\n", m->pkt_len, m->ol_flags,
482 (unsigned)m->nb_segs, (unsigned)m->port);
483 nb_segs = m->nb_segs;
485 while (m && nb_segs != 0) {
486 __rte_mbuf_sanity_check(m, 0);
488 fprintf(f, " segment at %p, data=%p, data_len=%u\n",
489 m, rte_pktmbuf_mtod(m, void *), (unsigned)m->data_len);
491 if (len > m->data_len)
494 rte_hexdump(f, NULL, rte_pktmbuf_mtod(m, void *), len);
501 /* read len data bytes in a mbuf at specified offset (internal) */
502 const void *__rte_pktmbuf_read(const struct rte_mbuf *m, uint32_t off,
503 uint32_t len, void *buf)
505 const struct rte_mbuf *seg = m;
506 uint32_t buf_off = 0, copy_len;
508 if (off + len > rte_pktmbuf_pkt_len(m))
511 while (off >= rte_pktmbuf_data_len(seg)) {
512 off -= rte_pktmbuf_data_len(seg);
516 if (off + len <= rte_pktmbuf_data_len(seg))
517 return rte_pktmbuf_mtod_offset(seg, char *, off);
519 /* rare case: header is split among several segments */
521 copy_len = rte_pktmbuf_data_len(seg) - off;
524 rte_memcpy((char *)buf + buf_off,
525 rte_pktmbuf_mtod_offset(seg, char *, off), copy_len);
536 * Get the name of a RX offload flag. Must be kept synchronized with flag
537 * definitions in rte_mbuf.h.
539 const char *rte_get_rx_ol_flag_name(uint64_t mask)
542 case PKT_RX_VLAN: return "PKT_RX_VLAN";
543 case PKT_RX_RSS_HASH: return "PKT_RX_RSS_HASH";
544 case PKT_RX_FDIR: return "PKT_RX_FDIR";
545 case PKT_RX_L4_CKSUM_BAD: return "PKT_RX_L4_CKSUM_BAD";
546 case PKT_RX_L4_CKSUM_GOOD: return "PKT_RX_L4_CKSUM_GOOD";
547 case PKT_RX_L4_CKSUM_NONE: return "PKT_RX_L4_CKSUM_NONE";
548 case PKT_RX_IP_CKSUM_BAD: return "PKT_RX_IP_CKSUM_BAD";
549 case PKT_RX_IP_CKSUM_GOOD: return "PKT_RX_IP_CKSUM_GOOD";
550 case PKT_RX_IP_CKSUM_NONE: return "PKT_RX_IP_CKSUM_NONE";
551 case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD";
552 case PKT_RX_VLAN_STRIPPED: return "PKT_RX_VLAN_STRIPPED";
553 case PKT_RX_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP";
554 case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST";
555 case PKT_RX_FDIR_ID: return "PKT_RX_FDIR_ID";
556 case PKT_RX_FDIR_FLX: return "PKT_RX_FDIR_FLX";
557 case PKT_RX_QINQ_STRIPPED: return "PKT_RX_QINQ_STRIPPED";
558 case PKT_RX_QINQ: return "PKT_RX_QINQ";
559 case PKT_RX_LRO: return "PKT_RX_LRO";
560 case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP";
561 case PKT_RX_SEC_OFFLOAD: return "PKT_RX_SEC_OFFLOAD";
562 case PKT_RX_SEC_OFFLOAD_FAILED: return "PKT_RX_SEC_OFFLOAD_FAILED";
563 case PKT_RX_OUTER_L4_CKSUM_BAD: return "PKT_RX_OUTER_L4_CKSUM_BAD";
564 case PKT_RX_OUTER_L4_CKSUM_GOOD: return "PKT_RX_OUTER_L4_CKSUM_GOOD";
565 case PKT_RX_OUTER_L4_CKSUM_INVALID:
566 return "PKT_RX_OUTER_L4_CKSUM_INVALID";
568 default: return NULL;
575 const char *default_name;
578 /* write the list of rx ol flags in buffer buf */
580 rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
582 const struct flag_mask rx_flags[] = {
583 { PKT_RX_VLAN, PKT_RX_VLAN, NULL },
584 { PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, NULL },
585 { PKT_RX_FDIR, PKT_RX_FDIR, NULL },
586 { PKT_RX_L4_CKSUM_BAD, PKT_RX_L4_CKSUM_MASK, NULL },
587 { PKT_RX_L4_CKSUM_GOOD, PKT_RX_L4_CKSUM_MASK, NULL },
588 { PKT_RX_L4_CKSUM_NONE, PKT_RX_L4_CKSUM_MASK, NULL },
589 { PKT_RX_L4_CKSUM_UNKNOWN, PKT_RX_L4_CKSUM_MASK,
590 "PKT_RX_L4_CKSUM_UNKNOWN" },
591 { PKT_RX_IP_CKSUM_BAD, PKT_RX_IP_CKSUM_MASK, NULL },
592 { PKT_RX_IP_CKSUM_GOOD, PKT_RX_IP_CKSUM_MASK, NULL },
593 { PKT_RX_IP_CKSUM_NONE, PKT_RX_IP_CKSUM_MASK, NULL },
594 { PKT_RX_IP_CKSUM_UNKNOWN, PKT_RX_IP_CKSUM_MASK,
595 "PKT_RX_IP_CKSUM_UNKNOWN" },
596 { PKT_RX_EIP_CKSUM_BAD, PKT_RX_EIP_CKSUM_BAD, NULL },
597 { PKT_RX_VLAN_STRIPPED, PKT_RX_VLAN_STRIPPED, NULL },
598 { PKT_RX_IEEE1588_PTP, PKT_RX_IEEE1588_PTP, NULL },
599 { PKT_RX_IEEE1588_TMST, PKT_RX_IEEE1588_TMST, NULL },
600 { PKT_RX_FDIR_ID, PKT_RX_FDIR_ID, NULL },
601 { PKT_RX_FDIR_FLX, PKT_RX_FDIR_FLX, NULL },
602 { PKT_RX_QINQ_STRIPPED, PKT_RX_QINQ_STRIPPED, NULL },
603 { PKT_RX_LRO, PKT_RX_LRO, NULL },
604 { PKT_RX_TIMESTAMP, PKT_RX_TIMESTAMP, NULL },
605 { PKT_RX_SEC_OFFLOAD, PKT_RX_SEC_OFFLOAD, NULL },
606 { PKT_RX_SEC_OFFLOAD_FAILED, PKT_RX_SEC_OFFLOAD_FAILED, NULL },
607 { PKT_RX_QINQ, PKT_RX_QINQ, NULL },
608 { PKT_RX_OUTER_L4_CKSUM_BAD, PKT_RX_OUTER_L4_CKSUM_MASK, NULL },
609 { PKT_RX_OUTER_L4_CKSUM_GOOD, PKT_RX_OUTER_L4_CKSUM_MASK,
611 { PKT_RX_OUTER_L4_CKSUM_INVALID, PKT_RX_OUTER_L4_CKSUM_MASK,
613 { PKT_RX_OUTER_L4_CKSUM_UNKNOWN, PKT_RX_OUTER_L4_CKSUM_MASK,
614 "PKT_RX_OUTER_L4_CKSUM_UNKNOWN" },
624 for (i = 0; i < RTE_DIM(rx_flags); i++) {
625 if ((mask & rx_flags[i].mask) != rx_flags[i].flag)
627 name = rte_get_rx_ol_flag_name(rx_flags[i].flag);
629 name = rx_flags[i].default_name;
630 ret = snprintf(buf, buflen, "%s ", name);
633 if ((size_t)ret >= buflen)
643 * Get the name of a TX offload flag. Must be kept synchronized with flag
644 * definitions in rte_mbuf.h.
646 const char *rte_get_tx_ol_flag_name(uint64_t mask)
649 case PKT_TX_VLAN: return "PKT_TX_VLAN";
650 case PKT_TX_IP_CKSUM: return "PKT_TX_IP_CKSUM";
651 case PKT_TX_TCP_CKSUM: return "PKT_TX_TCP_CKSUM";
652 case PKT_TX_SCTP_CKSUM: return "PKT_TX_SCTP_CKSUM";
653 case PKT_TX_UDP_CKSUM: return "PKT_TX_UDP_CKSUM";
654 case PKT_TX_IEEE1588_TMST: return "PKT_TX_IEEE1588_TMST";
655 case PKT_TX_TCP_SEG: return "PKT_TX_TCP_SEG";
656 case PKT_TX_IPV4: return "PKT_TX_IPV4";
657 case PKT_TX_IPV6: return "PKT_TX_IPV6";
658 case PKT_TX_OUTER_IP_CKSUM: return "PKT_TX_OUTER_IP_CKSUM";
659 case PKT_TX_OUTER_IPV4: return "PKT_TX_OUTER_IPV4";
660 case PKT_TX_OUTER_IPV6: return "PKT_TX_OUTER_IPV6";
661 case PKT_TX_TUNNEL_VXLAN: return "PKT_TX_TUNNEL_VXLAN";
662 case PKT_TX_TUNNEL_GTP: return "PKT_TX_TUNNEL_GTP";
663 case PKT_TX_TUNNEL_GRE: return "PKT_TX_TUNNEL_GRE";
664 case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP";
665 case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE";
666 case PKT_TX_TUNNEL_MPLSINUDP: return "PKT_TX_TUNNEL_MPLSINUDP";
667 case PKT_TX_TUNNEL_VXLAN_GPE: return "PKT_TX_TUNNEL_VXLAN_GPE";
668 case PKT_TX_TUNNEL_IP: return "PKT_TX_TUNNEL_IP";
669 case PKT_TX_TUNNEL_UDP: return "PKT_TX_TUNNEL_UDP";
670 case PKT_TX_QINQ: return "PKT_TX_QINQ";
671 case PKT_TX_MACSEC: return "PKT_TX_MACSEC";
672 case PKT_TX_SEC_OFFLOAD: return "PKT_TX_SEC_OFFLOAD";
673 case PKT_TX_UDP_SEG: return "PKT_TX_UDP_SEG";
674 case PKT_TX_OUTER_UDP_CKSUM: return "PKT_TX_OUTER_UDP_CKSUM";
675 default: return NULL;
679 /* write the list of tx ol flags in buffer buf */
681 rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
683 const struct flag_mask tx_flags[] = {
684 { PKT_TX_VLAN, PKT_TX_VLAN, NULL },
685 { PKT_TX_IP_CKSUM, PKT_TX_IP_CKSUM, NULL },
686 { PKT_TX_TCP_CKSUM, PKT_TX_L4_MASK, NULL },
687 { PKT_TX_SCTP_CKSUM, PKT_TX_L4_MASK, NULL },
688 { PKT_TX_UDP_CKSUM, PKT_TX_L4_MASK, NULL },
689 { PKT_TX_L4_NO_CKSUM, PKT_TX_L4_MASK, "PKT_TX_L4_NO_CKSUM" },
690 { PKT_TX_IEEE1588_TMST, PKT_TX_IEEE1588_TMST, NULL },
691 { PKT_TX_TCP_SEG, PKT_TX_TCP_SEG, NULL },
692 { PKT_TX_IPV4, PKT_TX_IPV4, NULL },
693 { PKT_TX_IPV6, PKT_TX_IPV6, NULL },
694 { PKT_TX_OUTER_IP_CKSUM, PKT_TX_OUTER_IP_CKSUM, NULL },
695 { PKT_TX_OUTER_IPV4, PKT_TX_OUTER_IPV4, NULL },
696 { PKT_TX_OUTER_IPV6, PKT_TX_OUTER_IPV6, NULL },
697 { PKT_TX_TUNNEL_VXLAN, PKT_TX_TUNNEL_MASK, NULL },
698 { PKT_TX_TUNNEL_GTP, PKT_TX_TUNNEL_MASK, NULL },
699 { PKT_TX_TUNNEL_GRE, PKT_TX_TUNNEL_MASK, NULL },
700 { PKT_TX_TUNNEL_IPIP, PKT_TX_TUNNEL_MASK, NULL },
701 { PKT_TX_TUNNEL_GENEVE, PKT_TX_TUNNEL_MASK, NULL },
702 { PKT_TX_TUNNEL_MPLSINUDP, PKT_TX_TUNNEL_MASK, NULL },
703 { PKT_TX_TUNNEL_VXLAN_GPE, PKT_TX_TUNNEL_MASK, NULL },
704 { PKT_TX_TUNNEL_IP, PKT_TX_TUNNEL_MASK, NULL },
705 { PKT_TX_TUNNEL_UDP, PKT_TX_TUNNEL_MASK, NULL },
706 { PKT_TX_QINQ, PKT_TX_QINQ, NULL },
707 { PKT_TX_MACSEC, PKT_TX_MACSEC, NULL },
708 { PKT_TX_SEC_OFFLOAD, PKT_TX_SEC_OFFLOAD, NULL },
709 { PKT_TX_UDP_SEG, PKT_TX_UDP_SEG, NULL },
710 { PKT_TX_OUTER_UDP_CKSUM, PKT_TX_OUTER_UDP_CKSUM, NULL },
720 for (i = 0; i < RTE_DIM(tx_flags); i++) {
721 if ((mask & tx_flags[i].mask) != tx_flags[i].flag)
723 name = rte_get_tx_ol_flag_name(tx_flags[i].flag);
725 name = tx_flags[i].default_name;
726 ret = snprintf(buf, buflen, "%s ", name);
729 if ((size_t)ret >= buflen)