Inner l2 length needs to be updated to include GRE and NVGRE
headers. Not updating this would cause failures for applications
which would be expecting l2_len field to be valid for
inner checksum offload cases.
Fixes: 76730c7b9b5a ("app/testpmd: use packet type parsing API")
Signed-off-by: Rakesh Kudurumalla <[email protected]>
---
V2: update innner l2 length based of GRE header flags
for key, sequence and checksum
lib/net/rte_net.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/lib/net/rte_net.c b/lib/net/rte_net.c
index c70b57fdc0..a24a0db526 100644
--- a/lib/net/rte_net.c
+++ b/lib/net/rte_net.c
@@ -480,6 +480,19 @@ uint32_t rte_net_get_ptype(const struct rte_mbuf *m,
return pkt_type;
pkt_type |= ptype_tunnel_without_udp(&proto, m, &off);
+ if ((pkt_type & RTE_PTYPE_TUNNEL_MASK) == RTE_PTYPE_TUNNEL_GRE
||
+ (pkt_type & RTE_PTYPE_TUNNEL_MASK) ==
RTE_PTYPE_TUNNEL_NVGRE) {
+ const struct rte_gre_hdr *gh;
+
+ gh = rte_pktmbuf_read(m, prev_off, sizeof(*gh), NULL);
+ if (gh->k)
+ hdr_lens->inner_l2_len += 4;
+ if (gh->s)
+ hdr_lens->inner_l2_len += 4;
+ if (gh->c)
+ hdr_lens->inner_l2_len += 4;
+ hdr_lens->inner_l2_len += sizeof(struct rte_gre_hdr);
+ }
hdr_lens->tunnel_len = off - prev_off;
hdr_lens->inner_l2_len = off - prev_off;
}
--
2.25.1
