Commit 23c578bf authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

vxlan: document UDP default port 



The default port for VXLAN is not same as IANA value.
Document this.

Signed-off-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3b8df3c6

drivers/net/vxlan.c

+4 −2
Original line number Diff line number Diff line
@@ -8,7 +8,6 @@ 
 * published by the Free Software Foundation.

 *

 * TODO

 *  - use IANA UDP port number (when defined)

 *  - IPv6 (not in RFC)

 */
@@ -65,7 +64,10 @@ struct vxlanhdr { 
	__be32 vx_vni;

};



/* UDP port for VXLAN traffic. */

/* UDP port for VXLAN traffic.

 * The IANA assigned port is 4789, but the Linux default is 8472

 * for compatability with early adopters.

 */

static unsigned int vxlan_port __read_mostly = 8472;

module_param_named(udp_port, vxlan_port, uint, 0444);

MODULE_PARM_DESC(udp_port, "Destination UDP port");