Commit 2de795adb96 (datapath: 64-bit GRE support) introduced a bug
for tunnels with no key. Following patch fixes it by setting tunnel
type to GRE type.
Bugs: 13511
Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
---
datapath/vport-gre.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
index 6f406bc..4000c74 100644
--- a/datapath/vport-gre.c
+++ b/datapath/vport-gre.c
@@ -202,8 +202,11 @@ static int parse_header(struct iphdr *iph, __be16 *flags,
__be64 *tun_id,
*tunnel_type = TNL_T_PROTO_GRE;
}
*tun_id = key_to_tunnel_id(gre_key, seq);
- } else
+ } else {
*tun_id = 0;
+ /* Ignore GRE seq if there is no key present. */
+ *tunnel_type = TNL_T_PROTO_GRE;
+ }
if (greh->flags & GRE_SEQ)
hdr_len += GRE_HEADER_SECTION;
--
1.7.10
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