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net: dsa: add port_fdb_prepare

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Push the prepare phase for FDB operations down to the DSA drivers, with
a new port_fdb_prepare function. Currently only mv88e6xxx is affected.

Signed-off-by: Vivien Didelot <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Vivien Didelot 2015-10-08 11:35:12 -04:00 • committed by David S. Miller
commit 146a32067b
6 changed files with 26 additions and 2 deletions
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7
net/dsa/slave.c
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@ -346,10 +346,13 @@ static int dsa_slave_port_fdb_add(struct net_device *dev,
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
int ret = -EOPNOTSUPP;
int ret;
if (!ds->drv->port_fdb_prepare || !ds->drv->port_fdb_add)
return -EOPNOTSUPP;
if (switchdev_trans_ph_prepare(trans))
ret = ds->drv->port_fdb_add ? 0 : -EOPNOTSUPP;
ret = ds->drv->port_fdb_prepare(ds, p->port, fdb, trans);
else
ret = ds->drv->port_fdb_add(ds, p->port, fdb->addr, fdb->vid);