There is no need to set the mask on the outer header IP TTL [1]. The only
requirement
is that the TTL will be non-zero. Clear the mask in tnl_wc_init().
[1] OVS VXLAN decap rule has full match on TTL for the outer headers?
http://www.spinics.net/lists/netdev/msg351961.html
Cc: Jesse Gross <je...@kernel.org>
Cc: Joe Stringer <j...@ovn.org>
Signed-off-by: Haggai Eran <hagg...@mellanox.com>
---
ofproto/tunnel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ofproto/tunnel.c b/ofproto/tunnel.c
index b85c2b51aa48..1d449a573705 100644
--- a/ofproto/tunnel.c
+++ b/ofproto/tunnel.c
@@ -369,7 +369,7 @@ tnl_wc_init(struct flow *flow, struct flow_wildcards *wc)
FLOW_TNL_F_CSUM |
FLOW_TNL_F_KEY);
wc->masks.tunnel.ip_tos = UINT8_MAX;
- wc->masks.tunnel.ip_ttl = UINT8_MAX;
+ wc->masks.tunnel.ip_ttl = 0;
/* The tp_src and tp_dst members in flow_tnl are set to be always
* wildcarded, not to unwildcard them here. */
wc->masks.tunnel.tp_src = 0;
--
1.7.11.2
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