diff options
| author | Arkadi Sharshevsky <arkadis@mellanox.com> | 2017-06-08 08:44:14 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-08 20:16:25 +0200 |
| commit | 6b26b51b1d13c62a09f55d745b06a8e964900715 (patch) | |
| tree | 9e71bdaa06ff10b744579b0e4ce5c94e3ded1e49 /net/bridge/br.c | |
| parent | net: switchdev: Change notifier chain to be atomic (diff) | |
| download | linux-6b26b51b1d13c62a09f55d745b06a8e964900715.tar.xz linux-6b26b51b1d13c62a09f55d745b06a8e964900715.zip | |
net: bridge: Add support for notifying devices about FDB add/del
Currently the bridge doesn't notify the underlying devices about new
FDBs learned. The FDB sync is placed on the switchdev notifier chain
because devices may potentially learn FDB that are not directly related
to their ports, for example:
1. Mixed SW/HW bridge - FDBs that point to the ASICs external devices
should be offloaded as CPU traps in order to
perform forwarding in slow path.
2. EVPN - Externally learned FDBs for the vtep device.
Notification is sent only about static FDB add/del. This is done due
to fact that currently this is the only scenario supported by switch
drivers.
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br.c')
| -rw-r--r-- | net/bridge/br.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c index e962fff8c0d9..96d209caf6db 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -138,14 +138,14 @@ static int br_switchdev_event(struct notifier_block *unused, br = p->br; switch (event) { - case SWITCHDEV_FDB_ADD: + case SWITCHDEV_FDB_ADD_TO_BRIDGE: fdb_info = ptr; err = br_fdb_external_learn_add(br, p, fdb_info->addr, fdb_info->vid); if (err) err = notifier_from_errno(err); break; - case SWITCHDEV_FDB_DEL: + case SWITCHDEV_FDB_DEL_TO_BRIDGE: fdb_info = ptr; err = br_fdb_external_learn_del(br, p, fdb_info->addr, fdb_info->vid); |