[Bridge] [RFC net-next 4/9] net: bridge: switchdev: Forward offloading

Vladimir Oltean olteanv at gmail.com
Thu May 6 11:01:13 UTC 2021


On Mon, May 03, 2021 at 10:53:36AM +0200, Tobias Waldekranz wrote:
> On Sun, May 02, 2021 at 18:04, Ido Schimmel <idosch at idosch.org> wrote:
> > On Mon, Apr 26, 2021 at 07:04:06PM +0200, Tobias Waldekranz wrote:
> >> +static void nbp_switchdev_fwd_offload_add(struct net_bridge_port *p)
> >> +{
> >> +	void *priv;
> >> +
> >> +	if (!(p->dev->features & NETIF_F_HW_L2FW_DOFFLOAD))
> >> +		return;
> >> +
> >> +	priv = p->dev->netdev_ops->ndo_dfwd_add_station(p->dev, p->br->dev);
> >
> > Some changes to team/bond/8021q will be needed in order to get this
> > optimization to work when they are enslaved to the bridge instead of the
> > front panel port itself?
> 
> Right you are. We should probably do something similar to the
> switchdev_handle_port_* family of helpers that could be reused in
> stacked devices. I will look at it for v1.

Makes sense, issuing a switchdev notifier of some sort will allow the
switchdev driver to act upon the bridge's request for a net device
belonging to a different driver.


More information about the Bridge mailing list