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mbuf: display more fields in dump

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The rte_pktmbuf_dump should display offset, refcount, and vlan
info since these are often useful during debugging.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
Stephen Hemminger 2020-01-22 09:39:56 -08:00 committed by Thomas Monjalon
parent 292f02b58c
commit 5b6eaea8ea
1 changed files with 14 additions and 7 deletions
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21
lib/librte_mbuf/rte_mbuf.c
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@ -675,18 +675,25 @@ rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len)
__rte_mbuf_sanity_check(m, 1);
fprintf(f, "dump mbuf at %p, iova=%"PRIx64", buf_len=%u\n",
m, (uint64_t)m->buf_iova, (unsigned)m->buf_len);
fprintf(f, " pkt_len=%"PRIu32", ol_flags=%"PRIx64", nb_segs=%u, "
"in_port=%u\n", m->pkt_len, m->ol_flags,
(unsigned)m->nb_segs, (unsigned)m->port);
fprintf(f, "dump mbuf at %p, iova=%#"PRIx64", buf_len=%u\n",
m, m->buf_iova, m->buf_len);
fprintf(f, " pkt_len=%u, ol_flags=%#"PRIx64", nb_segs=%u, port=%u",
m->pkt_len, m->ol_flags, m->nb_segs, m->port);
if (m->ol_flags & (PKT_RX_VLAN | PKT_TX_VLAN))
fprintf(f, ", vlan_tci=%u", m->vlan_tci);
fprintf(f, ", ptype=%#"PRIx32"\n", m->packet_type);
nb_segs = m->nb_segs;
while (m && nb_segs != 0) {
__rte_mbuf_sanity_check(m, 0);
fprintf(f, " segment at %p, data=%p, data_len=%u\n",
m, rte_pktmbuf_mtod(m, void *), (unsigned)m->data_len);
fprintf(f, " segment at %p, data=%p, len=%u, off=%u, refcnt=%u\n",
m, rte_pktmbuf_mtod(m, void *),
m->data_len, m->data_off, rte_mbuf_refcnt_read(m));
len = dump_len;
if (len > m->data_len)
len = m->data_len;