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| author | stephen hemminger <stephen@networkplumber.org> | 2013-04-27 11:31:53 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-29 11:53:12 -0400 |
| commit | 23c578bf7d532552298c84d4872e4ab85ed82840 (patch) | |
| tree | 88700555703fd1797429256abdf3ac9805c337a7 | |
| parent | 3b8df3c6b1b626e38ede5a6a056fa759ecbe4745 (diff) | |
| download | lwn-23c578bf7d532552298c84d4872e4ab85ed82840.tar.gz lwn-23c578bf7d532552298c84d4872e4ab85ed82840.zip | |
vxlan: document UDP default port
The default port for VXLAN is not same as IANA value.
Document this.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/vxlan.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 9a6962643e55..e6a3d4737df2 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -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"); |