On Fri, Mar 19, 2021 at 01:18, Vladimir Oltean <olteanv@xxxxxxxxx> wrote: > From: Vladimir Oltean <vladimir.oltean@xxxxxxx> > > DSA can properly detect and offload this sequence of operations: > > ip link add br0 type bridge > ip link add bond0 type bond > ip link set swp0 master bond0 > ip link set bond0 master br0 > > But not this one: > > ip link add br0 type bridge > ip link add bond0 type bond > ip link set bond0 master br0 > ip link set swp0 master bond0 > > Actually the second one is more complicated, due to the elapsed time > between the enslavement of bond0 and the offloading of it via swp0, a > lot of things could have happened to the bond0 bridge port in terms of > switchdev objects (host MDBs, VLANs, altered STP state etc). So this is > a bit of a can of worms, and making sure that the DSA port's state is in > sync with this already existing bridge port is handled in the next > patches. > > Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx> > --- Reviewed-by: Tobias Waldekranz <tobias@xxxxxxxxxxxxxx>
