vxlan: 'external' implies 'nolearning'

It doesn't make sense to use external control plane and fill internal FDB at
the same time. It's even an illegal combination for VXLAN-GPE.

Just switch off learning when 'external' is specified.

Signed-off-by: Jiri Benc <jbenc@redhat.com>

diff --git a/ip/iplink_vxlan.c b/ip/iplink_vxlan.c
index e3bbea0031df69d57a07ccddcb695a82b665b59b..e9d64b451677b58691b0b62a047ba20980030adc 100644 (file)
--- a/ip/iplink_vxlan.c
+++ b/ip/iplink_vxlan.c
@@ -234,6 +234,7 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
                        remcsumrx = 0;
                } else if (!matches(*argv, "external")) {
                        metadata = 1;
+                       learning = 0;
                } else if (!matches(*argv, "noexternal")) {
                        metadata = 0;
                } else if (!matches(*argv, "gbp")) {