Commit d05e8e68 authored Sep 10, 2020 by Alexandra Winter Committed by David S. Miller Sep 15, 2020

bridge: Add SWITCHDEV_FDB_FLUSH_TO_BRIDGE notifier



so the switchdev can notifiy the bridge to flush non-permanent fdb entries
for this port. This is useful whenever the hardware fdb of the switchdev
is reset, but the netdev and the bridgeport are not deleted.

Note that this has the same effect as the IFLA_BRPORT_FLUSH attribute.

CC: Jiri Pirko <jiri@resnulli.us>
CC: Ivan Vecera <ivecera@redhat.com>
CC: Roopa Prabhu <roopa@nvidia.com>
CC: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Acked-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 10a6cfc0

include/net/switchdev.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -203,6 +203,7 @@ enum switchdev_notifier_type {
		SWITCHDEV_FDB_ADD_TO_DEVICE,
		SWITCHDEV_FDB_DEL_TO_DEVICE,
		SWITCHDEV_FDB_OFFLOADED,
		SWITCHDEV_FDB_FLUSH_TO_BRIDGE,

		SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
		SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */

net/bridge/br.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -183,6 +183,11 @@ static int br_switchdev_event(struct notifier_block *unused,
		br_fdb_offloaded_set(br, p, fdb_info->addr,
		fdb_info->vid, fdb_info->offloaded);
		break;
		case SWITCHDEV_FDB_FLUSH_TO_BRIDGE:
		fdb_info = ptr;
		/* Don't delete static entries */
		br_fdb_delete_by_port(br, p, fdb_info->vid, 0);
		break;
		}

		out:

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