* [PATCH] net: fix incorrect L2 length for GRE tunneling packet
@ 2025-07-23 10:47 Dengdui Huang
0 siblings, 0 replies; only message in thread
From: Dengdui Huang @ 2025-07-23 10:47 UTC (permalink / raw)
To: dev; +Cc: stephen, aman.deep.singh, lihuisong, fengchengwen, liuyonglong
The meaning of L2_len in the parsing result of the rte_net_get_ptype()
is the same as the L2_len field in the mbuf. For tunnel packets,
the L2_len should include protocol header of tunnel packets.
Bugzilla ID: 1754
Fixes: d21d855464ff ("net: support GRE in software packet type parser")
Cc: stable@dpdk.org
Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
---
lib/net/rte_net.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/net/rte_net.c b/lib/net/rte_net.c
index 44fb6c0f51..c70b57fdc0 100644
--- a/lib/net/rte_net.c
+++ b/lib/net/rte_net.c
@@ -481,6 +481,7 @@ uint32_t rte_net_get_ptype(const struct rte_mbuf *m,
pkt_type |= ptype_tunnel_without_udp(&proto, m, &off);
hdr_lens->tunnel_len = off - prev_off;
+ hdr_lens->inner_l2_len = off - prev_off;
}
/* same job for inner header: we need to duplicate the code
--
2.33.0
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