Add a minimal ndo_fdb_del_bulk implementation which flushes all entries. Support for more fine-grained filtering will be added in the following patches.
Signed-off-by: Nikolay Aleksandrov <[email protected]> --- v4: don't rename br_fdb_flush net/bridge/br_device.c | 1 + net/bridge/br_fdb.c | 23 +++++++++++++++++++++++ net/bridge/br_private.h | 3 +++ 3 files changed, 27 insertions(+) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 8d6bab244c4a..58a4f70e01e3 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -465,6 +465,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_fix_features = br_fix_features, .ndo_fdb_add = br_fdb_add, .ndo_fdb_del = br_fdb_delete, + .ndo_fdb_del_bulk = br_fdb_delete_bulk, .ndo_fdb_dump = br_fdb_dump, .ndo_fdb_get = br_fdb_get, .ndo_bridge_getlink = br_getlink, diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 6ccda68bd473..363985f1a540 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -572,6 +572,29 @@ void br_fdb_flush(struct net_bridge *br) spin_unlock_bh(&br->hash_lock); } +int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, u16 vid, + struct netlink_ext_ack *extack) +{ + struct net_bridge_port *p = NULL; + struct net_bridge *br; + + if (netif_is_bridge_master(dev)) { + br = netdev_priv(dev); + } else { + p = br_port_get_rtnl(dev); + if (!p) { + NL_SET_ERR_MSG_MOD(extack, "Device is not a bridge port"); + return -EINVAL; + } + br = p->br; + } + + br_fdb_flush(br); + + return 0; +} + /* Flush all entries referring to a specific port. * if do_all is set also flush static entries * if vid is set delete all entries that match the vlan_id diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 6e62af2e07e9..f37d49bf5637 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -781,6 +781,9 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid); +int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, u16 vid, + struct netlink_ext_ack *extack); int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid, u16 nlh_flags, struct netlink_ext_ack *extack); -- 2.35.1
