net: vxlan: add macro definition for number of IANA VXLAN-GPE port

Add macro definition for number of IANA VXLAN-GPE port for generic use.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index fecff0a4661289cf04c9a7d7cddeec9ee922e3b1..359d16780dbbc736793c6c817bf42c07de13ceae 100644 (file)
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3747,7 +3747,7 @@ static int vxlan_config_validate(struct net *src_net, struct vxlan_config *conf,
 
        if (!conf->dst_port) {
                if (conf->flags & VXLAN_F_GPE)
-                       conf->dst_port = htons(4790); /* IANA VXLAN-GPE port */
+                       conf->dst_port = htons(IANA_VXLAN_GPE_UDP_PORT);
                else
                        conf->dst_port = htons(vxlan_port);
        }

diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 08537aa14f7c3a2cbd7a9238d93e67561345e36a..5a934bebe63075770d259843ad12b048defab234 100644 (file)
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -10,6 +10,7 @@
 #include <net/nexthop.h>
 
 #define IANA_VXLAN_UDP_PORT     4789
+#define IANA_VXLAN_GPE_UDP_PORT 4790
 
 /* VXLAN protocol (RFC 7348) header:
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+