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From: Ilya Matveychikov <matvejchikov@gmail.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 2/2] mbuf: reset nb_segs of chained packet
Date: Thu, 16 Nov 2017 18:05:35 +0400	[thread overview]
Message-ID: <AB67A84E-B83C-49C3-AA48-8ACA06E24B39@gmail.com> (raw)

Fixes: 139debc42dc0 ("mbuf: move chaining from ip_frag library")
Cc: simon.kagstrom@netinsight.net

Signed-off-by: Ilya V. Matveychikov <matvejchikov@gmail.com>
---
 lib/librte_mbuf/rte_mbuf.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index ce8a05ddf..2126dc94b 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -1828,9 +1828,12 @@ static inline int rte_pktmbuf_chain(struct rte_mbuf *head, struct rte_mbuf *tail
 	head->nb_segs += tail->nb_segs;
 	head->pkt_len += tail->pkt_len;

-	/* pkt_len is only set in the head */
+	/* nb_segs and pkt_len are only set in the head */
+	tail->nb_segs = 1;
 	tail->pkt_len = tail->data_len;

+	__rte_mbuf_sanity_check(head, 1);
+
 	return 0;
 }

--
2.15.0

             reply	other threads:[~2017-11-16 14:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-16 14:05 Ilya Matveychikov [this message]
2017-11-16 17:01 ` Stephen Hemminger
2017-11-16 19:15   ` Ilya Matveychikov
2017-12-01 16:37     ` Olivier MATZ

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