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From: Shijith Thotton <sthotton@marvell.com>
To: <dev@dpdk.org>
CC: <olivier.matz@6wind.com>, Shijith Thotton <sthotton@marvell.com>,
<jerinj@marvell.com>, <mb@smartsharesystems.com>, <stable@dpdk.org>
Subject: [PATCH] mbuf: fix API to copy mbuf dynamic fields
Date: Wed, 26 Jun 2024 17:38:02 +0530
Message-ID: <20240626120802.19333-1-sthotton@marvell.com>
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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