diff options
| author | Tobias Waldekranz <tobias@waldekranz.com> | 2021-06-29 16:06:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-29 19:46:23 +0200 |
| commit | 6eb38bf8eb90748dbf4191f6c4940ae76223b0a4 (patch) | |
| tree | a691ec7ea504d06ba5223a0a92cd3812c451eb47 /net/bridge | |
| parent | net: bridge: use READ_ONCE() and WRITE_ONCE() compiler barriers for fdb->dst (diff) | |
| download | linux-6eb38bf8eb90748dbf4191f6c4940ae76223b0a4.tar.xz linux-6eb38bf8eb90748dbf4191f6c4940ae76223b0a4.zip | |
net: bridge: switchdev: send FDB notifications for host addresses
Treat addresses added to the bridge itself in the same way as regular
ports and send out a notification so that drivers may sync it down to
the hardware FDB.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_fdb.c | 4 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 7 | ||||
| -rw-r--r-- | net/bridge/br_switchdev.c | 11 |
3 files changed, 11 insertions, 11 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index dc3ecf2d5637..bad7e84d76af 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -607,7 +607,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, /* fastpath: update of existing entry */ if (unlikely(source != READ_ONCE(fdb->dst) && !test_bit(BR_FDB_STICKY, &fdb->flags))) { - br_switchdev_fdb_notify(fdb, RTM_DELNEIGH); + br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH); WRITE_ONCE(fdb->dst, source); fdb_modified = true; /* Take over HW learned entry */ @@ -800,7 +800,7 @@ static void fdb_notify(struct net_bridge *br, int err = -ENOBUFS; if (swdev_notify) - br_switchdev_fdb_notify(fdb, type); + br_switchdev_fdb_notify(br, fdb, type); skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC); if (skb == NULL) diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index a684d0cfc58c..2b48b204205e 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1654,8 +1654,8 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, unsigned long mask, struct netlink_ext_ack *extack); -void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, - int type); +void br_switchdev_fdb_notify(struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb, int type); int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, struct netlink_ext_ack *extack); int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); @@ -1702,7 +1702,8 @@ static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) } static inline void -br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) +br_switchdev_fdb_notify(struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb, int type) { } diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 192293fe37fd..d3adee0f91f9 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -108,9 +108,11 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, } void -br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) +br_switchdev_fdb_notify(struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb, int type) { const struct net_bridge_port *dst = READ_ONCE(fdb->dst); + struct net_device *dev = dst ? dst->dev : br->dev; struct switchdev_notifier_fdb_info info = { .addr = fdb->key.addr.addr, .vid = fdb->key.vlan_id, @@ -119,17 +121,14 @@ br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) .offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags), }; - if (!dst) - return; - switch (type) { case RTM_DELNEIGH: call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE, - dst->dev, &info.info, NULL); + dev, &info.info, NULL); break; case RTM_NEWNEIGH: call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE, - dst->dev, &info.info, NULL); + dev, &info.info, NULL); break; } } |