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charset="utf-8" Add MDB_FLAGS_OFFLOAD_FAILED and MDB_PG_FLAGS_OFFLOAD_FAILED to indicate that an attempt to offload the MDB entry to switchdev has failed. Signed-off-by: Joseph Huang Acked-by: Nikolay Aleksandrov --- include/uapi/linux/if_bridge.h | 9 +++++---- net/bridge/br_mdb.c | 2 ++ net/bridge/br_private.h | 20 +++++++++++++++----- net/bridge/br_switchdev.c | 9 +++++---- 4 files changed, 27 insertions(+), 13 deletions(-) diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h index a5b743a2f775..f2a6de424f3f 100644 --- a/include/uapi/linux/if_bridge.h +++ b/include/uapi/linux/if_bridge.h @@ -699,10 +699,11 @@ struct br_mdb_entry { #define MDB_TEMPORARY 0 #define MDB_PERMANENT 1 __u8 state; -#define MDB_FLAGS_OFFLOAD (1 << 0) -#define MDB_FLAGS_FAST_LEAVE (1 << 1) -#define MDB_FLAGS_STAR_EXCL (1 << 2) -#define MDB_FLAGS_BLOCKED (1 << 3) +#define MDB_FLAGS_OFFLOAD (1 << 0) +#define MDB_FLAGS_FAST_LEAVE (1 << 1) +#define MDB_FLAGS_STAR_EXCL (1 << 2) +#define MDB_FLAGS_BLOCKED (1 << 3) +#define MDB_FLAGS_OFFLOAD_FAILED (1 << 4) __u8 flags; __u16 vid; struct { diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 1a52a0bca086..0639691cd19b 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -144,6 +144,8 @@ static void __mdb_entry_fill_flags(struct br_mdb_entry = *e, unsigned char flags) e->flags |=3D MDB_FLAGS_STAR_EXCL; if (flags & MDB_PG_FLAGS_BLOCKED) e->flags |=3D MDB_FLAGS_BLOCKED; + if (flags & MDB_PG_FLAGS_OFFLOAD_FAILED) + e->flags |=3D MDB_FLAGS_OFFLOAD_FAILED; } =20 static void __mdb_entry_to_br_ip(struct br_mdb_entry *entry, struct br_ip = *ip, diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 1054b8a88edc..5f9d6075017e 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -306,11 +306,12 @@ struct net_bridge_fdb_flush_desc { u16 vlan_id; }; =20 -#define MDB_PG_FLAGS_PERMANENT BIT(0) -#define MDB_PG_FLAGS_OFFLOAD BIT(1) -#define MDB_PG_FLAGS_FAST_LEAVE BIT(2) -#define MDB_PG_FLAGS_STAR_EXCL BIT(3) -#define MDB_PG_FLAGS_BLOCKED BIT(4) +#define MDB_PG_FLAGS_PERMANENT BIT(0) +#define MDB_PG_FLAGS_OFFLOAD BIT(1) +#define MDB_PG_FLAGS_FAST_LEAVE BIT(2) +#define MDB_PG_FLAGS_STAR_EXCL BIT(3) +#define MDB_PG_FLAGS_BLOCKED BIT(4) +#define MDB_PG_FLAGS_OFFLOAD_FAILED BIT(5) =20 #define PG_SRC_ENT_LIMIT 32 =20 @@ -1343,6 +1344,15 @@ br_multicast_ctx_matches_vlan_snooping(const struct = net_bridge_mcast *brmctx) =20 return !!(vlan_snooping_enabled =3D=3D br_multicast_ctx_is_vlan(brmctx)); } + +static inline void +br_multicast_set_pg_offload_flags(struct net_bridge_port_group *p, + bool offloaded) +{ + p->flags &=3D ~(MDB_PG_FLAGS_OFFLOAD | MDB_PG_FLAGS_OFFLOAD_FAILED); + p->flags |=3D (offloaded ? MDB_PG_FLAGS_OFFLOAD : + MDB_PG_FLAGS_OFFLOAD_FAILED); +} #else static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, struct net_bridge_mcast_port **pmctx, diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 7b41ee8740cb..2d769ef3cb8a 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -505,8 +505,8 @@ static void br_switchdev_mdb_complete(struct net_device= *dev, int err, void *pri struct net_bridge_port *port =3D data->port; struct net_bridge *br =3D port->br; =20 - if (err) - goto err; + if (err =3D=3D -EOPNOTSUPP) + goto out_free; =20 spin_lock_bh(&br->multicast_lock); mp =3D br_mdb_ip_get(br, &data->ip); @@ -516,11 +516,12 @@ static void br_switchdev_mdb_complete(struct net_devi= ce *dev, int err, void *pri pp =3D &p->next) { if (p->key.port !=3D port) continue; - p->flags |=3D MDB_PG_FLAGS_OFFLOAD; + + br_multicast_set_pg_offload_flags(p, !err); } out: spin_unlock_bh(&br->multicast_lock); -err: +out_free: kfree(priv); } =20 --=20 2.49.0