vxlan: allow a user to set TTL value

"ip link add ... type vxlan ... ttl X" allows a user to set the TTL used by a VXLAN for encapsulation. The provided value was ignored by vxlan module and the default value of 1 was used when encapsulating multicast packets. Signed-off-by: Vincent Bernat <[email protected]> Acked-by: Stephen Hemminger <[email protected]> Signed-off-by: David S. Miller <[email protected]>
progmanos · Nov 3, 2012 · afb9718 · afb9718
1 parent 899a391
commit afb9718
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
@@ -1107,6 +1107,9 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 	if (data[IFLA_VXLAN_TOS])
 		vxlan->tos  = nla_get_u8(data[IFLA_VXLAN_TOS]);
 
+	if (data[IFLA_VXLAN_TTL])
+		vxlan->ttl = nla_get_u8(data[IFLA_VXLAN_TTL]);
+
 	if (!data[IFLA_VXLAN_LEARNING] || nla_get_u8(data[IFLA_VXLAN_LEARNING]))
 		vxlan->learn = true;