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authorTobias Waldekranz <tobias@waldekranz.com>2021-06-29 17:06:45 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-29 10:46:23 -0700
commit6eb38bf8eb90748dbf4191f6c4940ae76223b0a4 (patch)
treea691ec7ea504d06ba5223a0a92cd3812c451eb47 /net
parent3e19ae7c6fd62978ae518b17ae0e30ab8d17ed07 (diff)
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')
-rw-r--r--net/bridge/br_fdb.c4
-rw-r--r--net/bridge/br_private.h7
-rw-r--r--net/bridge/br_switchdev.c11
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;
}
}