Add support for fdb flush filtering based on destination ifindex. The ifindex must either match a port's device ifindex or the bridge's.
Signed-off-by: Nikolay Aleksandrov <[email protected]> --- include/uapi/linux/if_bridge.h | 1 + net/bridge/br_fdb.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h index 4638d7e39f2a..67ee12586844 100644 --- a/include/uapi/linux/if_bridge.h +++ b/include/uapi/linux/if_bridge.h @@ -819,6 +819,7 @@ enum { FDB_FLUSH_NDM_STATE_MASK, FDB_FLUSH_NDM_FLAGS, FDB_FLUSH_NDM_FLAGS_MASK, + FDB_FLUSH_PORT_IFINDEX, __FDB_FLUSH_MAX }; #define FDB_FLUSH_MAX (__FDB_FLUSH_MAX - 1) diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 340a2ace1d5e..53208adf7474 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -628,6 +628,7 @@ static const struct nla_policy br_fdb_flush_policy[FDB_FLUSH_MAX + 1] = { [FDB_FLUSH_NDM_FLAGS] = { .type = NLA_U16 }, [FDB_FLUSH_NDM_STATE_MASK] = { .type = NLA_U16 }, [FDB_FLUSH_NDM_FLAGS_MASK] = { .type = NLA_U16 }, + [FDB_FLUSH_PORT_IFINDEX] = { .type = NLA_S32 }, }; int br_fdb_flush_nlattr(struct net_bridge *br, struct nlattr *fdb_flush_attr, @@ -664,6 +665,12 @@ int br_fdb_flush_nlattr(struct net_bridge *br, struct nlattr *fdb_flush_attr, ndm_flags_mask = nla_get_u16(fdb_flush_tb[FDB_FLUSH_NDM_FLAGS_MASK]); desc.flags_mask |= __ndm_flags_to_fdb_flags(ndm_flags_mask); } + if (fdb_flush_tb[FDB_FLUSH_PORT_IFINDEX]) { + int port_ifidx; + + port_ifidx = nla_get_u32(fdb_flush_tb[FDB_FLUSH_PORT_IFINDEX]); + desc.port_ifindex = port_ifidx; + } br_debug(br, "flushing port ifindex: %d vlan id: %u flags: 0x%lx flags mask: 0x%lx\n", desc.port_ifindex, desc.vlan_id, desc.flags, desc.flags_mask); -- 2.35.1
