From: sfel...@gmail.com Date: Fri, 12 Jun 2015 17:39:50 -0700 > From: Scott Feldman <sfel...@gmail.com> > > v2: > > Move struct switchdev_obj automatics to inner scope where there used. > > v1: > > To maintain backward compatibility with the existing iproute2 "bridge vlan" > command, let bridge's setlink/dellink handler call into either the port > driver's 8021q ndo ops or the port driver's bridge_setlink/dellink ops. > > This allows port driver to choose 8021q ops or the newer > bridge_setlink/dellink ops when implementing VLAN add/del filtering on the > device. The iproute "bridge vlan" command does not need to be modified. > > To summarize using the "bridge vlan" command examples, we have: > > 1) bridge vlan add|del vid VID dev DEV > > Here iproute2 sets MASTER flag. Bridge's bridge_setlink/dellink is called. > Vlan is set on bridge for port. If port driver implements ndo 8021q ops, > call those to port driver can install vlan filter on device. Otherwise, if > port driver implements bridge_setlink/dellink ops, call those to install > vlan filter to device. This option only works if port is bridged. > > 2) bridge vlan add|del vid VID dev DEV master > > Same as 1) > > 3) bridge vlan add|del vid VID dev DEV self > > Bridge's bridge_setlink/dellink isn't called. Port driver's > bridge_setlink/dellink is called, if implemented. This option works if > port is bridged or not. If port is not bridged, a VLAN can still be > added/deleted to device filter using this variant. > > 4) bridge vlan add|del vid VID dev DEV master self > > This is a combination of 1) and 3), but will only work if port is bridged. > > Signed-off-by: Scott Feldman <sfel...@gmail.com>
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