diff options
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index 4165594551e0..316fd9afd461 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -979,10 +979,27 @@ static int port_vlans_add(struct net_device *netdev, struct switchdev_trans *trans) { struct ethsw_port_priv *port_priv = netdev_priv(netdev); - int vid, err = 0; + struct ethsw_core *ethsw = port_priv->ethsw_data; + struct dpsw_attr *attr = ðsw->sw_attr; + int vid, err = 0, new_vlans = 0; + + if (switchdev_trans_ph_prepare(trans)) { + for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) + if (!port_priv->ethsw_data->vlans[vid]) + new_vlans++; + + /* Check if there is space for a new VLAN */ + err = dpsw_get_attributes(ethsw->mc_io, 0, ethsw->dpsw_handle, + ðsw->sw_attr); + if (err) { + netdev_err(netdev, "dpsw_get_attributes err %d\n", err); + return err; + } + if (attr->max_vlans - attr->num_vlans < new_vlans) + return -ENOSPC; - if (switchdev_trans_ph_prepare(trans)) return 0; + } for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { if (!port_priv->ethsw_data->vlans[vid]) { |