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* [PATCH] mbuf: fix API to copy mbuf dynamic fields
@ 2024-06-26 12:08 Shijith Thotton
  2024-06-26 12:23 ` Morten Brørup
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Shijith Thotton @ 2024-06-26 12:08 UTC (permalink / raw)
  To: dev; +Cc: olivier.matz, Shijith Thotton, jerinj, mb, stable

Fixed rte_mbuf_dynfield_copy() API to copy dynamic fields from one mbuf
to another. When RTE_IOVA_AS_PA is not defined during the build, an
additional dynamic field (dynfield2) becomes available. This field
should be conditionally copied to ensure the complete duplication of
dynamic fields between mbufs. This patch fixes the same.

see https://bugs.dpdk.org/show_bug.cgi?id=1472

Bugzilla ID: 1472
Fixes: 03b57eb7ab9a ("mbuf: add second dynamic field member")
Cc: stable@dpdk.org

Signed-off-by: Shijith Thotton <sthotton@marvell.com>
---
 lib/mbuf/rte_mbuf.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/mbuf/rte_mbuf.h b/lib/mbuf/rte_mbuf.h
index 4c4722e002..dc6d1237ac 100644
--- a/lib/mbuf/rte_mbuf.h
+++ b/lib/mbuf/rte_mbuf.h
@@ -1120,6 +1120,9 @@ static inline void
 rte_mbuf_dynfield_copy(struct rte_mbuf *mdst, const struct rte_mbuf *msrc)
 {
 	memcpy(&mdst->dynfield1, msrc->dynfield1, sizeof(mdst->dynfield1));
+#if !RTE_IOVA_IN_MBUF
+	mdst->dynfield2 = msrc->dynfield2;
+#endif
 }
 
 /* internal */
-- 
2.25.1


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2024-07-03 16:05 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-06-26 12:08 [PATCH] mbuf: fix API to copy mbuf dynamic fields Shijith Thotton
2024-06-26 12:23 ` Morten Brørup
2024-06-26 15:00 ` Stephen Hemminger
2024-06-27  7:57 ` [PATCH v2] " Shijith Thotton
2024-07-03 16:05   ` Thomas Monjalon

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