diff options
| author | Tobias Waldekranz <tobias@waldekranz.com> | 2022-03-16 16:08:48 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-17 16:49:58 -0700 |
| commit | 7ae9147f4312903b97eae231c48571bbd95dc63f (patch) | |
| tree | fb9de8088ce277d63ab836a2a7905e28dea2dd05 /net/bridge | |
| parent | 6284c723d9b9995cc27ab3c6368a9d95d67111ff (diff) | |
| download | linux-7ae9147f4312903b97eae231c48571bbd95dc63f.tar.gz | |
net: bridge: mst: Notify switchdev drivers of MST state changes
Generate a switchdev notification whenever an MST state changes. This
notification is keyed by the VLANs MSTI rather than the VID, since
multiple VLANs may share the same MST instance.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_mst.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/bridge/br_mst.c b/net/bridge/br_mst.c index 29266174e6b4a..00935a19afcc9 100644 --- a/net/bridge/br_mst.c +++ b/net/bridge/br_mst.c @@ -30,13 +30,31 @@ static void br_mst_vlan_set_state(struct net_bridge_port *p, struct net_bridge_v int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, struct netlink_ext_ack *extack) { + struct switchdev_attr attr = { + .id = SWITCHDEV_ATTR_ID_PORT_MST_STATE, + .orig_dev = p->dev, + .u.mst_state = { + .msti = msti, + .state = state, + }, + }; struct net_bridge_vlan_group *vg; struct net_bridge_vlan *v; + int err; vg = nbp_vlan_group(p); if (!vg) return 0; + /* MSTI 0 (CST) state changes are notified via the regular + * SWITCHDEV_ATTR_ID_PORT_STP_STATE. + */ + if (msti) { + err = switchdev_port_attr_set(p->dev, &attr, extack); + if (err && err != -EOPNOTSUPP) + return err; + } + list_for_each_entry(v, &vg->vlan_list, vlist) { if (v->brvlan->msti != msti) continue; |