diff options
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot_net.c')
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot_net.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c index 0a4de949f4d9..8f12fa45b1b5 100644 --- a/drivers/net/ethernet/mscc/ocelot_net.c +++ b/drivers/net/ethernet/mscc/ocelot_net.c @@ -1164,6 +1164,27 @@ ocelot_netdevice_lag_changeupper(struct net_device *dev, return NOTIFY_DONE; } +static int +ocelot_netdevice_changelowerstate(struct net_device *dev, + struct netdev_lag_lower_state_info *info) +{ + struct ocelot_port_private *priv = netdev_priv(dev); + bool is_active = info->link_up && info->tx_enabled; + struct ocelot_port *ocelot_port = &priv->port; + struct ocelot *ocelot = ocelot_port->ocelot; + int port = priv->chip_port; + + if (!ocelot_port->bond) + return NOTIFY_DONE; + + if (ocelot_port->lag_tx_active == is_active) + return NOTIFY_DONE; + + ocelot_port_lag_change(ocelot, port, is_active); + + return NOTIFY_OK; +} + static int ocelot_netdevice_event(struct notifier_block *unused, unsigned long event, void *ptr) { @@ -1181,6 +1202,15 @@ static int ocelot_netdevice_event(struct notifier_block *unused, break; } + case NETDEV_CHANGELOWERSTATE: { + struct netdev_notifier_changelowerstate_info *info = ptr; + + if (!ocelot_netdevice_dev_check(dev)) + break; + + return ocelot_netdevice_changelowerstate(dev, + info->lower_state_info); + } default: break; } |