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path: root/drivers/net/ethernet/intel/ice/ice_lag.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lag.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lag.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c
index 1ccb572ce285..2410aee59fb2 100644
--- a/drivers/net/ethernet/intel/ice/ice_lag.c
+++ b/drivers/net/ethernet/intel/ice/ice_lag.c
@@ -1001,6 +1001,28 @@ static void ice_lag_link(struct ice_lag *lag)
}
/**
+ * ice_lag_config_eswitch - configure eswitch to work with LAG
+ * @lag: lag info struct
+ * @netdev: active network interface device struct
+ *
+ * Updates all port representors in eswitch to use @netdev for Tx.
+ *
+ * Configures the netdev to keep dst metadata (also used in representor Tx).
+ * This is required for an uplink without switchdev mode configured.
+ */
+static void ice_lag_config_eswitch(struct ice_lag *lag,
+ struct net_device *netdev)
+{
+ struct ice_repr *repr;
+ unsigned long id;
+
+ xa_for_each(&lag->pf->eswitch.reprs, id, repr)
+ repr->dst->u.port_info.lower_dev = netdev;
+
+ netif_keep_dst(netdev);
+}
+
+/**
* ice_lag_unlink - handle unlink event
* @lag: LAG info struct
*/
@@ -1021,6 +1043,9 @@ static void ice_lag_unlink(struct ice_lag *lag)
ice_lag_move_vf_nodes(lag, act_port, pri_port);
lag->primary = false;
lag->active_port = ICE_LAG_INVALID_PORT;
+
+ /* Config primary's eswitch back to normal operation. */
+ ice_lag_config_eswitch(lag, lag->netdev);
} else {
struct ice_lag *primary_lag;
@@ -1296,12 +1321,18 @@ static void ice_lag_changeupper_event(struct ice_lag *lag, void *ptr)
*/
if (!primary_lag) {
lag->primary = true;
+ if (!ice_is_switchdev_running(lag->pf))
+ return;
+
/* Configure primary's SWID to be shared */
ice_lag_primary_swid(lag, true);
primary_lag = lag;
} else {
u16 swid;
+ if (!ice_is_switchdev_running(primary_lag->pf))
+ return;
+
swid = primary_lag->pf->hw.port_info->sw_id;
ice_lag_set_swid(swid, lag, true);
ice_lag_add_prune_list(primary_lag, lag->pf);
@@ -1419,6 +1450,7 @@ static void ice_lag_monitor_active(struct ice_lag *lag, void *ptr)
ice_lag_move_vf_nodes(lag, prim_port,
event_port);
lag->active_port = event_port;
+ ice_lag_config_eswitch(lag, event_netdev);
return;
}
@@ -1428,6 +1460,7 @@ static void ice_lag_monitor_active(struct ice_lag *lag, void *ptr)
/* new active port */
ice_lag_move_vf_nodes(lag, lag->active_port, event_port);
lag->active_port = event_port;
+ ice_lag_config_eswitch(lag, event_netdev);
} else {
/* port not set as currently active (e.g. new active port
* has already claimed the nodes and filters