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 default_mbp_priv.mbuf_priv_size = 0;
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);
65 mbp_priv = rte_mempool_get_priv(mp);
66 memcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv));
70 * pktmbuf constructor, given as a callback function to
71 * rte_mempool_obj_iter() or rte_mempool_create().
72 * Set the fields of a packet mbuf to their default values.
75 rte_pktmbuf_init(struct rte_mempool *mp,
76 __attribute__((unused)) void *opaque_arg,
78 __attribute__((unused)) unsigned i)
80 struct rte_mbuf *m = _m;
81 uint32_t mbuf_size, buf_len, priv_size;
83 priv_size = rte_pktmbuf_priv_size(mp);
84 mbuf_size = sizeof(struct rte_mbuf) + priv_size;
85 buf_len = rte_pktmbuf_data_room_size(mp);
87 RTE_ASSERT(RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) == priv_size);
88 RTE_ASSERT(mp->elt_size >= mbuf_size);
89 RTE_ASSERT(buf_len <= UINT16_MAX);
91 memset(m, 0, mbuf_size);
92 /* start of buffer is after mbuf structure and priv data */
93 m->priv_size = priv_size;
94 m->buf_addr = (char *)m + mbuf_size;
95 m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
96 m->buf_len = (uint16_t)buf_len;
98 /* keep some headroom between start of buffer and data */
99 m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, (uint16_t)m->buf_len);
101 /* init some constant fields */
104 m->port = MBUF_INVALID_PORT;
105 rte_mbuf_refcnt_set(m, 1);
109 /* Helper to create a mbuf pool with given mempool ops name*/
111 rte_pktmbuf_pool_create_by_ops(const char *name, unsigned int n,
112 unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
113 int socket_id, const char *ops_name)
115 struct rte_mempool *mp;
116 struct rte_pktmbuf_pool_private mbp_priv;
117 const char *mp_ops_name = ops_name;
121 if (RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) != priv_size) {
122 RTE_LOG(ERR, MBUF, "mbuf priv_size=%u is not aligned\n",
127 elt_size = sizeof(struct rte_mbuf) + (unsigned)priv_size +
128 (unsigned)data_room_size;
129 mbp_priv.mbuf_data_room_size = data_room_size;
130 mbp_priv.mbuf_priv_size = priv_size;
132 mp = rte_mempool_create_empty(name, n, elt_size, cache_size,
133 sizeof(struct rte_pktmbuf_pool_private), socket_id, 0);
137 if (mp_ops_name == NULL)
138 mp_ops_name = rte_mbuf_best_mempool_ops();
139 ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL);
141 RTE_LOG(ERR, MBUF, "error setting mempool handler\n");
142 rte_mempool_free(mp);
146 rte_pktmbuf_pool_init(mp, &mbp_priv);
148 ret = rte_mempool_populate_default(mp);
150 rte_mempool_free(mp);
155 rte_mempool_obj_iter(mp, rte_pktmbuf_init, NULL);
160 /* helper to create a mbuf pool */
162 rte_pktmbuf_pool_create(const char *name, unsigned int n,
163 unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
166 return rte_pktmbuf_pool_create_by_ops(name, n, cache_size, priv_size,
167 data_room_size, socket_id, NULL);
170 /* do some sanity checks on a mbuf: panic if it fails */
172 rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
176 if (rte_mbuf_check(m, is_header, &reason))
177 rte_panic("%s\n", reason);
180 int rte_mbuf_check(const struct rte_mbuf *m, int is_header,
183 unsigned int nb_segs, pkt_len;
186 *reason = "mbuf is NULL";
191 if (m->pool == NULL) {
192 *reason = "bad mbuf pool";
195 if (m->buf_iova == 0) {
196 *reason = "bad IO addr";
199 if (m->buf_addr == NULL) {
200 *reason = "bad virt addr";
204 uint16_t cnt = rte_mbuf_refcnt_read(m);
205 if ((cnt == 0) || (cnt == UINT16_MAX)) {
206 *reason = "bad ref cnt";
210 /* nothing to check for sub-segments */
214 /* data_len is supposed to be not more than pkt_len */
215 if (m->data_len > m->pkt_len) {
216 *reason = "bad data_len";
220 nb_segs = m->nb_segs;
221 pkt_len = m->pkt_len;
224 if (m->data_off > m->buf_len) {
225 *reason = "data offset too big in mbuf segment";
228 if (m->data_off + m->data_len > m->buf_len) {
229 *reason = "data length too big in mbuf segment";
233 pkt_len -= m->data_len;
234 } while ((m = m->next) != NULL);
237 *reason = "bad nb_segs";
241 *reason = "bad pkt_len";
249 * @internal helper function for freeing a bulk of packet mbuf segments
250 * via an array holding the packet mbuf segments from the same mempool
251 * pending to be freed.
254 * The packet mbuf segment to be freed.
256 * Pointer to the array of packet mbuf segments pending to be freed.
258 * Pointer to the number of elements held in the array.
260 * Number of elements the array can hold.
261 * Note: The compiler should optimize this parameter away when using a
262 * constant value, such as RTE_PKTMBUF_FREE_PENDING_SZ.
265 __rte_pktmbuf_free_seg_via_array(struct rte_mbuf *m,
266 struct rte_mbuf ** const pending, unsigned int * const nb_pending,
267 const unsigned int pending_sz)
269 m = rte_pktmbuf_prefree_seg(m);
270 if (likely(m != NULL)) {
271 if (*nb_pending == pending_sz ||
272 (*nb_pending > 0 && m->pool != pending[0]->pool)) {
273 rte_mempool_put_bulk(pending[0]->pool,
274 (void **)pending, *nb_pending);
278 pending[(*nb_pending)++] = m;
283 * Size of the array holding mbufs from the same mempool pending to be freed
286 #define RTE_PKTMBUF_FREE_PENDING_SZ 64
288 /* Free a bulk of packet mbufs back into their original mempools. */
289 void rte_pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int count)
291 struct rte_mbuf *m, *m_next, *pending[RTE_PKTMBUF_FREE_PENDING_SZ];
292 unsigned int idx, nb_pending = 0;
294 for (idx = 0; idx < count; idx++) {
296 if (unlikely(m == NULL))
299 __rte_mbuf_sanity_check(m, 1);
303 __rte_pktmbuf_free_seg_via_array(m,
304 pending, &nb_pending,
305 RTE_PKTMBUF_FREE_PENDING_SZ);
311 rte_mempool_put_bulk(pending[0]->pool, (void **)pending, nb_pending);
314 /* Creates a shallow copy of mbuf */
316 rte_pktmbuf_clone(struct rte_mbuf *md, struct rte_mempool *mp)
318 struct rte_mbuf *mc, *mi, **prev;
322 mc = rte_pktmbuf_alloc(mp);
323 if (unlikely(mc == NULL))
328 pktlen = md->pkt_len;
333 rte_pktmbuf_attach(mi, md);
336 } while ((md = md->next) != NULL &&
337 (mi = rte_pktmbuf_alloc(mp)) != NULL);
341 mc->pkt_len = pktlen;
343 /* Allocation of new indirect segment failed */
344 if (unlikely(mi == NULL)) {
345 rte_pktmbuf_free(mc);
349 __rte_mbuf_sanity_check(mc, 1);
353 /* convert multi-segment mbuf to single mbuf */
355 __rte_pktmbuf_linearize(struct rte_mbuf *mbuf)
357 size_t seg_len, copy_len;
359 struct rte_mbuf *m_next;
362 /* Extend first segment to the total packet length */
363 copy_len = rte_pktmbuf_pkt_len(mbuf) - rte_pktmbuf_data_len(mbuf);
365 if (unlikely(copy_len > rte_pktmbuf_tailroom(mbuf)))
368 buffer = rte_pktmbuf_mtod_offset(mbuf, char *, mbuf->data_len);
369 mbuf->data_len = (uint16_t)(mbuf->pkt_len);
371 /* Append data from next segments to the first one */
376 seg_len = rte_pktmbuf_data_len(m);
377 rte_memcpy(buffer, rte_pktmbuf_mtod(m, char *), seg_len);
380 rte_pktmbuf_free_seg(m);
390 /* Create a deep copy of mbuf */
392 rte_pktmbuf_copy(const struct rte_mbuf *m, struct rte_mempool *mp,
393 uint32_t off, uint32_t len)
395 const struct rte_mbuf *seg = m;
396 struct rte_mbuf *mc, *m_last, **prev;
398 /* garbage in check */
399 __rte_mbuf_sanity_check(m, 1);
401 /* check for request to copy at offset past end of mbuf */
402 if (unlikely(off >= m->pkt_len))
405 mc = rte_pktmbuf_alloc(mp);
406 if (unlikely(mc == NULL))
409 /* truncate requested length to available data */
410 if (len > m->pkt_len - off)
411 len = m->pkt_len - off;
413 __rte_pktmbuf_copy_hdr(mc, m);
415 /* copied mbuf is not indirect or external */
416 mc->ol_flags = m->ol_flags & ~(IND_ATTACHED_MBUF|EXT_ATTACHED_MBUF);
423 /* skip leading mbuf segments */
424 while (off >= seg->data_len) {
425 off -= seg->data_len;
429 /* current buffer is full, chain a new one */
430 if (rte_pktmbuf_tailroom(m_last) == 0) {
431 m_last = rte_pktmbuf_alloc(mp);
432 if (unlikely(m_last == NULL)) {
433 rte_pktmbuf_free(mc);
438 prev = &m_last->next;
442 * copy the min of data in input segment (seg)
443 * vs space available in output (m_last)
445 copy_len = RTE_MIN(seg->data_len - off, len);
446 if (copy_len > rte_pktmbuf_tailroom(m_last))
447 copy_len = rte_pktmbuf_tailroom(m_last);
449 /* append from seg to m_last */
450 rte_memcpy(rte_pktmbuf_mtod_offset(m_last, char *,
452 rte_pktmbuf_mtod_offset(seg, char *, off),
455 /* update offsets and lengths */
456 m_last->data_len += copy_len;
457 mc->pkt_len += copy_len;
462 /* garbage out check */
463 __rte_mbuf_sanity_check(mc, 1);
467 /* dump a mbuf on console */
469 rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len)
472 unsigned int nb_segs;
474 __rte_mbuf_sanity_check(m, 1);
476 fprintf(f, "dump mbuf at %p, iova=%"PRIx64", buf_len=%u\n",
477 m, (uint64_t)m->buf_iova, (unsigned)m->buf_len);
478 fprintf(f, " pkt_len=%"PRIu32", ol_flags=%"PRIx64", nb_segs=%u, "
479 "in_port=%u\n", m->pkt_len, m->ol_flags,
480 (unsigned)m->nb_segs, (unsigned)m->port);
481 nb_segs = m->nb_segs;
483 while (m && nb_segs != 0) {
484 __rte_mbuf_sanity_check(m, 0);
486 fprintf(f, " segment at %p, data=%p, data_len=%u\n",
487 m, rte_pktmbuf_mtod(m, void *), (unsigned)m->data_len);
489 if (len > m->data_len)
492 rte_hexdump(f, NULL, rte_pktmbuf_mtod(m, void *), len);
499 /* read len data bytes in a mbuf at specified offset (internal) */
500 const void *__rte_pktmbuf_read(const struct rte_mbuf *m, uint32_t off,
501 uint32_t len, void *buf)
503 const struct rte_mbuf *seg = m;
504 uint32_t buf_off = 0, copy_len;
506 if (off + len > rte_pktmbuf_pkt_len(m))
509 while (off >= rte_pktmbuf_data_len(seg)) {
510 off -= rte_pktmbuf_data_len(seg);
514 if (off + len <= rte_pktmbuf_data_len(seg))
515 return rte_pktmbuf_mtod_offset(seg, char *, off);
517 /* rare case: header is split among several segments */
519 copy_len = rte_pktmbuf_data_len(seg) - off;
522 rte_memcpy((char *)buf + buf_off,
523 rte_pktmbuf_mtod_offset(seg, char *, off), copy_len);
534 * Get the name of a RX offload flag. Must be kept synchronized with flag
535 * definitions in rte_mbuf.h.
537 const char *rte_get_rx_ol_flag_name(uint64_t mask)
540 case PKT_RX_VLAN: return "PKT_RX_VLAN";
541 case PKT_RX_RSS_HASH: return "PKT_RX_RSS_HASH";
542 case PKT_RX_FDIR: return "PKT_RX_FDIR";
543 case PKT_RX_L4_CKSUM_BAD: return "PKT_RX_L4_CKSUM_BAD";
544 case PKT_RX_L4_CKSUM_GOOD: return "PKT_RX_L4_CKSUM_GOOD";
545 case PKT_RX_L4_CKSUM_NONE: return "PKT_RX_L4_CKSUM_NONE";
546 case PKT_RX_IP_CKSUM_BAD: return "PKT_RX_IP_CKSUM_BAD";
547 case PKT_RX_IP_CKSUM_GOOD: return "PKT_RX_IP_CKSUM_GOOD";
548 case PKT_RX_IP_CKSUM_NONE: return "PKT_RX_IP_CKSUM_NONE";
549 case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD";
550 case PKT_RX_VLAN_STRIPPED: return "PKT_RX_VLAN_STRIPPED";
551 case PKT_RX_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP";
552 case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST";
553 case PKT_RX_FDIR_ID: return "PKT_RX_FDIR_ID";
554 case PKT_RX_FDIR_FLX: return "PKT_RX_FDIR_FLX";
555 case PKT_RX_QINQ_STRIPPED: return "PKT_RX_QINQ_STRIPPED";
556 case PKT_RX_QINQ: return "PKT_RX_QINQ";
557 case PKT_RX_LRO: return "PKT_RX_LRO";
558 case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP";
559 case PKT_RX_SEC_OFFLOAD: return "PKT_RX_SEC_OFFLOAD";
560 case PKT_RX_SEC_OFFLOAD_FAILED: return "PKT_RX_SEC_OFFLOAD_FAILED";
561 case PKT_RX_OUTER_L4_CKSUM_BAD: return "PKT_RX_OUTER_L4_CKSUM_BAD";
562 case PKT_RX_OUTER_L4_CKSUM_GOOD: return "PKT_RX_OUTER_L4_CKSUM_GOOD";
563 case PKT_RX_OUTER_L4_CKSUM_INVALID:
564 return "PKT_RX_OUTER_L4_CKSUM_INVALID";
566 default: return NULL;
573 const char *default_name;
576 /* write the list of rx ol flags in buffer buf */
578 rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
580 const struct flag_mask rx_flags[] = {
581 { PKT_RX_VLAN, PKT_RX_VLAN, NULL },
582 { PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, NULL },
583 { PKT_RX_FDIR, PKT_RX_FDIR, NULL },
584 { PKT_RX_L4_CKSUM_BAD, PKT_RX_L4_CKSUM_MASK, NULL },
585 { PKT_RX_L4_CKSUM_GOOD, PKT_RX_L4_CKSUM_MASK, NULL },
586 { PKT_RX_L4_CKSUM_NONE, PKT_RX_L4_CKSUM_MASK, NULL },
587 { PKT_RX_L4_CKSUM_UNKNOWN, PKT_RX_L4_CKSUM_MASK,
588 "PKT_RX_L4_CKSUM_UNKNOWN" },
589 { PKT_RX_IP_CKSUM_BAD, PKT_RX_IP_CKSUM_MASK, NULL },
590 { PKT_RX_IP_CKSUM_GOOD, PKT_RX_IP_CKSUM_MASK, NULL },
591 { PKT_RX_IP_CKSUM_NONE, PKT_RX_IP_CKSUM_MASK, NULL },
592 { PKT_RX_IP_CKSUM_UNKNOWN, PKT_RX_IP_CKSUM_MASK,
593 "PKT_RX_IP_CKSUM_UNKNOWN" },
594 { PKT_RX_EIP_CKSUM_BAD, PKT_RX_EIP_CKSUM_BAD, NULL },
595 { PKT_RX_VLAN_STRIPPED, PKT_RX_VLAN_STRIPPED, NULL },
596 { PKT_RX_IEEE1588_PTP, PKT_RX_IEEE1588_PTP, NULL },
597 { PKT_RX_IEEE1588_TMST, PKT_RX_IEEE1588_TMST, NULL },
598 { PKT_RX_FDIR_ID, PKT_RX_FDIR_ID, NULL },
599 { PKT_RX_FDIR_FLX, PKT_RX_FDIR_FLX, NULL },
600 { PKT_RX_QINQ_STRIPPED, PKT_RX_QINQ_STRIPPED, NULL },
601 { PKT_RX_LRO, PKT_RX_LRO, NULL },
602 { PKT_RX_TIMESTAMP, PKT_RX_TIMESTAMP, NULL },
603 { PKT_RX_SEC_OFFLOAD, PKT_RX_SEC_OFFLOAD, NULL },
604 { PKT_RX_SEC_OFFLOAD_FAILED, PKT_RX_SEC_OFFLOAD_FAILED, NULL },
605 { PKT_RX_QINQ, PKT_RX_QINQ, NULL },
606 { PKT_RX_OUTER_L4_CKSUM_BAD, PKT_RX_OUTER_L4_CKSUM_MASK, NULL },
607 { PKT_RX_OUTER_L4_CKSUM_GOOD, PKT_RX_OUTER_L4_CKSUM_MASK,
609 { PKT_RX_OUTER_L4_CKSUM_INVALID, PKT_RX_OUTER_L4_CKSUM_MASK,
611 { PKT_RX_OUTER_L4_CKSUM_UNKNOWN, PKT_RX_OUTER_L4_CKSUM_MASK,
612 "PKT_RX_OUTER_L4_CKSUM_UNKNOWN" },
622 for (i = 0; i < RTE_DIM(rx_flags); i++) {
623 if ((mask & rx_flags[i].mask) != rx_flags[i].flag)
625 name = rte_get_rx_ol_flag_name(rx_flags[i].flag);
627 name = rx_flags[i].default_name;
628 ret = snprintf(buf, buflen, "%s ", name);
631 if ((size_t)ret >= buflen)
641 * Get the name of a TX offload flag. Must be kept synchronized with flag
642 * definitions in rte_mbuf.h.
644 const char *rte_get_tx_ol_flag_name(uint64_t mask)
647 case PKT_TX_VLAN: return "PKT_TX_VLAN";
648 case PKT_TX_IP_CKSUM: return "PKT_TX_IP_CKSUM";
649 case PKT_TX_TCP_CKSUM: return "PKT_TX_TCP_CKSUM";
650 case PKT_TX_SCTP_CKSUM: return "PKT_TX_SCTP_CKSUM";
651 case PKT_TX_UDP_CKSUM: return "PKT_TX_UDP_CKSUM";
652 case PKT_TX_IEEE1588_TMST: return "PKT_TX_IEEE1588_TMST";
653 case PKT_TX_TCP_SEG: return "PKT_TX_TCP_SEG";
654 case PKT_TX_IPV4: return "PKT_TX_IPV4";
655 case PKT_TX_IPV6: return "PKT_TX_IPV6";
656 case PKT_TX_OUTER_IP_CKSUM: return "PKT_TX_OUTER_IP_CKSUM";
657 case PKT_TX_OUTER_IPV4: return "PKT_TX_OUTER_IPV4";
658 case PKT_TX_OUTER_IPV6: return "PKT_TX_OUTER_IPV6";
659 case PKT_TX_TUNNEL_VXLAN: return "PKT_TX_TUNNEL_VXLAN";
660 case PKT_TX_TUNNEL_GRE: return "PKT_TX_TUNNEL_GRE";
661 case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP";
662 case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE";
663 case PKT_TX_TUNNEL_MPLSINUDP: return "PKT_TX_TUNNEL_MPLSINUDP";
664 case PKT_TX_TUNNEL_VXLAN_GPE: return "PKT_TX_TUNNEL_VXLAN_GPE";
665 case PKT_TX_TUNNEL_IP: return "PKT_TX_TUNNEL_IP";
666 case PKT_TX_TUNNEL_UDP: return "PKT_TX_TUNNEL_UDP";
667 case PKT_TX_QINQ: return "PKT_TX_QINQ";
668 case PKT_TX_MACSEC: return "PKT_TX_MACSEC";
669 case PKT_TX_SEC_OFFLOAD: return "PKT_TX_SEC_OFFLOAD";
670 case PKT_TX_UDP_SEG: return "PKT_TX_UDP_SEG";
671 case PKT_TX_OUTER_UDP_CKSUM: return "PKT_TX_OUTER_UDP_CKSUM";
672 case PKT_TX_METADATA: return "PKT_TX_METADATA";
673 default: return NULL;
677 /* write the list of tx ol flags in buffer buf */
679 rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
681 const struct flag_mask tx_flags[] = {
682 { PKT_TX_VLAN, PKT_TX_VLAN, NULL },
683 { PKT_TX_IP_CKSUM, PKT_TX_IP_CKSUM, NULL },
684 { PKT_TX_TCP_CKSUM, PKT_TX_L4_MASK, NULL },
685 { PKT_TX_SCTP_CKSUM, PKT_TX_L4_MASK, NULL },
686 { PKT_TX_UDP_CKSUM, PKT_TX_L4_MASK, NULL },
687 { PKT_TX_L4_NO_CKSUM, PKT_TX_L4_MASK, "PKT_TX_L4_NO_CKSUM" },
688 { PKT_TX_IEEE1588_TMST, PKT_TX_IEEE1588_TMST, NULL },
689 { PKT_TX_TCP_SEG, PKT_TX_TCP_SEG, NULL },
690 { PKT_TX_IPV4, PKT_TX_IPV4, NULL },
691 { PKT_TX_IPV6, PKT_TX_IPV6, NULL },
692 { PKT_TX_OUTER_IP_CKSUM, PKT_TX_OUTER_IP_CKSUM, NULL },
693 { PKT_TX_OUTER_IPV4, PKT_TX_OUTER_IPV4, NULL },
694 { PKT_TX_OUTER_IPV6, PKT_TX_OUTER_IPV6, NULL },
695 { PKT_TX_TUNNEL_VXLAN, PKT_TX_TUNNEL_MASK, NULL },
696 { PKT_TX_TUNNEL_GRE, PKT_TX_TUNNEL_MASK, NULL },
697 { PKT_TX_TUNNEL_IPIP, PKT_TX_TUNNEL_MASK, NULL },
698 { PKT_TX_TUNNEL_GENEVE, PKT_TX_TUNNEL_MASK, NULL },
699 { PKT_TX_TUNNEL_MPLSINUDP, PKT_TX_TUNNEL_MASK, NULL },
700 { PKT_TX_TUNNEL_VXLAN_GPE, PKT_TX_TUNNEL_MASK, NULL },
701 { PKT_TX_TUNNEL_IP, PKT_TX_TUNNEL_MASK, NULL },
702 { PKT_TX_TUNNEL_UDP, PKT_TX_TUNNEL_MASK, NULL },
703 { PKT_TX_QINQ, PKT_TX_QINQ, NULL },
704 { PKT_TX_MACSEC, PKT_TX_MACSEC, NULL },
705 { PKT_TX_SEC_OFFLOAD, PKT_TX_SEC_OFFLOAD, NULL },
706 { PKT_TX_UDP_SEG, PKT_TX_UDP_SEG, NULL },
707 { PKT_TX_OUTER_UDP_CKSUM, PKT_TX_OUTER_UDP_CKSUM, NULL },
708 { PKT_TX_METADATA, PKT_TX_METADATA, NULL },
718 for (i = 0; i < RTE_DIM(tx_flags); i++) {
719 if ((mask & tx_flags[i].mask) != tx_flags[i].flag)
721 name = rte_get_tx_ol_flag_name(tx_flags[i].flag);
723 name = tx_flags[i].default_name;
724 ret = snprintf(buf, buflen, "%s ", name);
727 if ((size_t)ret >= buflen)