bridge: Allow max MTU when multiple VLANs present
authorChas Williams <3chas3@gmail.com>
Thu, 22 Mar 2018 15:34:06 +0000 (11:34 -0400)
committerDavid S. Miller <davem@davemloft.net>
Fri, 23 Mar 2018 16:17:30 +0000 (12:17 -0400)
commit419d14af9e07fb5ca32b1b1614793c6b1e242152
tree4890f2aedb3f31dbf9c32f0d90b07f0781ced4e4
parentbda7fab54828bbef2164bb23c0f6b1a7d05cc718
bridge: Allow max MTU when multiple VLANs present

If the bridge is allowing multiple VLANs, some VLANs may have
different MTUs.  Instead of choosing the minimum MTU for the
bridge interface, choose the maximum MTU of the bridge members.
With this the user only needs to set a larger MTU on the member
ports that are participating in the large MTU VLANS.

Signed-off-by: Chas Williams <3chas3@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/bridge/br.c
net/bridge/br_device.c
net/bridge/br_if.c
net/bridge/br_private.h