Re: [PATCH net-next v6] switchdev: fix stp update API to work with layered netdevices

[Jiri Pirko <jiri@resnulli.us>]

Sat, Mar 21, 2015 at 06:27:28PM CET, roopa@cumulusnetworks.com wrote:
>From: Roopa Prabhu <roopa@cumulusnetworks.com>
>
>make it same as the netdev_switch_port_bridge_setlink/dellink
>api (ie traverse lowerdevs to get to the switch port).
>
>removes "WARN_ON(!ops->ndo_switch_parent_id_get)" because
>direct bridge ports can be stacked netdevices (like bonds
>and team of switch ports) which may not implement this ndo.
>
>v2 to v3:
>	- remove changes to bond and team. Bring back the
>	transparently following lowerdevs like i initially
>	had for setlink/getlink
>	(http://www.spinics.net/lists/netdev/msg313436.html)
>	dave and scott feldman also seem to prefer it be that
>	way and move to non-transparent way of doing things
>	if we see a problem down the lane.
>
>v3 to v4:
>	- fix ret initialization
>
>v4 to v5:
>	- return err on first failure (scott feldman)
>
>v5 to v6:
>	- change variable name (err) and initialize to
>	-EOPNOTSUPP (scott feldman).
>
>Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>

Acked-by: Jiri Pirko <jiri@resnulli.us>