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net: lan966x: Extend FDB to support also lag

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Offload FDB entries when the original device is a lag interface. Because
all the ports under the lag have the same chip id, which is the chip id
of first port, then add the entries only for the first port.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Horatiu Vultur 2022-08-17 21:34:48 +02:00 committed by David S. Miller
parent cabc9d4933
commit 9be99f2d1d
2 changed files with 31 additions and 0 deletions
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30
drivers/net/ethernet/microchip/lan966x/lan966x_fdb.c
View File

@ -199,6 +199,34 @@ static void lan966x_fdb_bridge_event_work(struct lan966x_fdb_event_work *fdb_wor
}
}
static void lan966x_fdb_lag_event_work(struct lan966x_fdb_event_work *fdb_work)
{
struct switchdev_notifier_fdb_info *fdb_info;
struct lan966x_port *port;
struct lan966x *lan966x;
if (!lan966x_lag_first_port(fdb_work->orig_dev, fdb_work->dev))
return;
lan966x = fdb_work->lan966x;
port = netdev_priv(fdb_work->dev);
fdb_info = &fdb_work->fdb_info;
switch (fdb_work->event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE:
if (!fdb_info->added_by_user)
break;
lan966x_mac_add_entry(lan966x, port, fdb_info->addr,
fdb_info->vid);
break;
case SWITCHDEV_FDB_DEL_TO_DEVICE:
if (!fdb_info->added_by_user)
break;
lan966x_mac_del_entry(lan966x, fdb_info->addr, fdb_info->vid);
break;
}
}
static void lan966x_fdb_event_work(struct work_struct *work)
{
struct lan966x_fdb_event_work *fdb_work =
@ -208,6 +236,8 @@ static void lan966x_fdb_event_work(struct work_struct *work)
lan966x_fdb_port_event_work(fdb_work);
else if (netif_is_bridge_master(fdb_work->orig_dev))
lan966x_fdb_bridge_event_work(fdb_work);
else if (netif_is_lag_master(fdb_work->orig_dev))
lan966x_fdb_lag_event_work(fdb_work);
kfree(fdb_work->fdb_info.addr);
kfree(fdb_work);

1
drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
View File

@ -348,6 +348,7 @@ int lan966x_port_prechangeupper(struct net_device *dev,
return err;
switchdev_bridge_port_unoffload(brport_dev, port, NULL, NULL);
lan966x_fdb_flush_workqueue(port->lan966x);
}
return err;