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authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>2020-09-07 12:56:11 +0300
committerJakub Kicinski <kuba@kernel.org>2020-09-07 13:16:35 -0700
commit79abc87505d84ade6c624b5bb707766a8a6791a6 (patch)
treee8a7ef1b8ba1cbb22c93305a1e549eb0bea829dc /net/bridge
parent42c11ccfe844c1df91599428d87101e07e389901 (diff)
net: bridge: mdb: push notifications in __br_mdb_add/del
This change is in preparation for using the mdb port group entries when sending a notification, so their full state and additional attributes can be filled in. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_mdb.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index 9dc12ce61018..24f6ccf98657 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -681,7 +681,7 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh,
}
static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
- struct br_ip *group, unsigned char state)
+ struct br_ip *group, struct br_mdb_entry *entry)
{
struct net_bridge_mdb_entry *mp;
struct net_bridge_port_group *p;
@@ -700,12 +700,13 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
/* host join */
if (!port) {
/* don't allow any flags for host-joined groups */
- if (state)
+ if (entry->state)
return -EINVAL;
if (mp->host_joined)
return -EEXIST;
br_multicast_host_join(mp, false);
+ __br_mdb_notify(br->dev, NULL, entry, RTM_NEWMDB);
return 0;
}
@@ -719,13 +720,14 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
break;
}
- p = br_multicast_new_port_group(port, group, *pp, state, NULL,
+ p = br_multicast_new_port_group(port, group, *pp, entry->state, NULL,
MCAST_EXCLUDE);
if (unlikely(!p))
return -ENOMEM;
rcu_assign_pointer(*pp, p);
- if (state == MDB_TEMPORARY)
+ if (entry->state == MDB_TEMPORARY)
mod_timer(&p->timer, now + br->multicast_membership_interval);
+ __br_mdb_notify(br->dev, port, entry, RTM_NEWMDB);
return 0;
}
@@ -754,7 +756,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br,
__mdb_entry_to_br_ip(entry, &ip);
spin_lock_bh(&br->multicast_lock);
- ret = br_mdb_add_group(br, p, &ip, entry->state);
+ ret = br_mdb_add_group(br, p, &ip, entry);
spin_unlock_bh(&br->multicast_lock);
return ret;
}
@@ -799,12 +801,9 @@ static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
err = __br_mdb_add(net, br, entry);
if (err)
break;
- __br_mdb_notify(dev, p, entry, RTM_NEWMDB);
}
} else {
err = __br_mdb_add(net, br, entry);
- if (!err)
- __br_mdb_notify(dev, p, entry, RTM_NEWMDB);
}
return err;
@@ -832,6 +831,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
if (entry->ifindex == mp->br->dev->ifindex && mp->host_joined) {
br_multicast_host_leave(mp, false);
err = 0;
+ __br_mdb_notify(br->dev, NULL, entry, RTM_DELMDB);
if (!mp->ports && netif_running(br->dev))
mod_timer(&mp->timer, jiffies);
goto unlock;
@@ -894,13 +894,9 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
list_for_each_entry(v, &vg->vlan_list, vlist) {
entry->vid = v->vid;
err = __br_mdb_del(br, entry);
- if (!err)
- __br_mdb_notify(dev, p, entry, RTM_DELMDB);
}
} else {
err = __br_mdb_del(br, entry);
- if (!err)
- __br_mdb_notify(dev, p, entry, RTM_DELMDB);
}
return err;