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From: Stephen Hemminger <stephen@networkplumber•org>
To: davem@davemloft•net
Cc: netdev@vger•kernel.org, Stephen Hemminger <stephen@networkplumber•org>
Subject: [PATCH net-next 2/6] vxlan: document UDP default port
Date: Sat, 27 Apr 2013 14:31:53 -0700	[thread overview]
Message-ID: <20130427213258.207552537@vyatta.com> (raw)
In-Reply-To: 20130427213151.255971631@vyatta.com

[-- Attachment #1: vxlan-port-comprimise.patch --]
[-- Type: text/plain, Size: 815 bytes --]

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

Signed-off-by: Stephen Hemminger <stephen@networkplumber•org>

--- a/drivers/net/vxlan.c	2013-04-27 13:38:54.124378801 -0700
+++ b/drivers/net/vxlan.c	2013-04-27 13:38:57.232338603 -0700
@@ -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");

  parent reply	other threads:[~2013-04-27 21:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-27 21:31 [PATCH net-next 0/6] vxlan: port related patches Stephen Hemminger
2013-04-27 21:31 ` [PATCH net-next 1/6] vxlan: update mail address and copyright date Stephen Hemminger
2013-04-27 21:31 ` Stephen Hemminger [this message]
2013-04-27 21:31 ` [PATCH net-next 3/6] vxlan: fix byte order issues with NDA_PORT Stephen Hemminger
2013-04-29 15:47   ` David Stevens
2013-04-29 23:40     ` Stephen Hemminger
2013-04-27 21:31 ` [PATCH net-next 4/6] vxlan: source compatiablity with IFLA_VXLAN_GROUP (v2) Stephen Hemminger
2013-04-27 21:31 ` [PATCH net-next 5/6] vxlan: compute source port in network byte order Stephen Hemminger
2013-04-27 21:31 ` [PATCH net-next 6/6] vxlan: allow choosing destination port per vxlan Stephen Hemminger
2013-04-27 21:47   ` [PATCH iproute2] iproute2: add vxlan dstport option Stephen Hemminger
2013-05-10 22:12     ` Sridhar Samudrala
2013-04-29 16:07 ` [PATCH net-next 0/6] vxlan: port related patches David Miller

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