From: Petr Machata Date: Wed, 30 May 2018 01:00:45 +0000 (+0200) Subject: net: bridge: Notify about bridge VLANs X-Git-Tag: Ubuntu-5.2.0-15.16~4262^2~92^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=9c86ce2c1ae337fc10568a12aea812ed03de8319;p=mirror_ubuntu-eoan-kernel.git net: bridge: Notify about bridge VLANs A driver might need to react to changes in settings of brentry VLANs. Therefore send switchdev port notifications for these as well. Reuse SWITCHDEV_OBJ_ID_PORT_VLAN for this purpose. Listeners should use netif_is_bridge_master() on orig_dev to determine whether the notification is about a bridge port or a bridge. Signed-off-by: Petr Machata Reviewed-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 602c869c9821..7df269092103 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -246,6 +246,10 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags) goto out_filt; v->brvlan = masterv; v->stats = masterv->stats; + } else { + err = br_switchdev_port_vlan_add(dev, v->vid, flags); + if (err && err != -EOPNOTSUPP) + goto out; } /* Add the dev mac and count the vlan only if it's usable */ @@ -281,6 +285,8 @@ out_filt: br_vlan_put_master(masterv); v->brvlan = NULL; } + } else { + br_switchdev_port_vlan_del(dev, v->vid); } goto out; @@ -306,6 +312,11 @@ static int __vlan_del(struct net_bridge_vlan *v) err = __vlan_vid_del(p->dev, p->br, v->vid); if (err) goto out; + } else { + err = br_switchdev_port_vlan_del(v->br->dev, v->vid); + if (err && err != -EOPNOTSUPP) + goto out; + err = 0; } if (br_vlan_should_use(v)) { @@ -558,16 +569,22 @@ static int br_vlan_add_existing(struct net_bridge *br, { int err; + err = br_switchdev_port_vlan_add(br->dev, vlan->vid, flags); + if (err && err != -EOPNOTSUPP) + return err; + if (!br_vlan_is_brentry(vlan)) { /* Trying to change flags of non-existent bridge vlan */ - if (!(flags & BRIDGE_VLAN_INFO_BRENTRY)) - return -EINVAL; + if (!(flags & BRIDGE_VLAN_INFO_BRENTRY)) { + err = -EINVAL; + goto err_flags; + } /* It was only kept for port vlans, now make it real */ err = br_fdb_insert(br, NULL, br->dev->dev_addr, vlan->vid); if (err) { br_err(br, "failed to insert local address into bridge forwarding table\n"); - return err; + goto err_fdb_insert; } refcount_inc(&vlan->refcnt); @@ -580,6 +597,11 @@ static int br_vlan_add_existing(struct net_bridge *br, *changed = true; return 0; + +err_fdb_insert: +err_flags: + br_switchdev_port_vlan_del(br->dev, vlan->vid); + return err; } /* Must be protected by RTNL.