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authorIdo Schimmel <idosch@nvidia.com>2022-12-10 16:56:25 +0200
committerJakub Kicinski <kuba@kernel.org>2022-12-12 15:33:37 -0800
commit083e353482b4c9b727846643ad6ca7b784dd486b (patch)
tree30c2facb09e87c4d97b52434f966d527be3ec573 /net
parentfd0c696164cf13ae0128f14209e2dbfcd86584b8 (diff)
bridge: mcast: Expose __br_multicast_del_group_src()
Expose __br_multicast_del_group_src() which is symmetric to br_multicast_new_group_src() and does not remove the installed {S, G} forwarding entry, unlike br_multicast_del_group_src(). The function will be used in the error path when user space was able to add a new source entry, but failed to install a corresponding forwarding entry. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_multicast.c11
-rw-r--r--net/bridge/br_private.h1
2 files changed, 9 insertions, 3 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index b2bc23fdcee5..8432b4ea7f28 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -650,18 +650,23 @@ static void br_multicast_destroy_group_src(struct net_bridge_mcast_gc *gc)
kfree_rcu(src, rcu);
}
-void br_multicast_del_group_src(struct net_bridge_group_src *src,
- bool fastleave)
+void __br_multicast_del_group_src(struct net_bridge_group_src *src)
{
struct net_bridge *br = src->pg->key.port->br;
- br_multicast_fwd_src_remove(src, fastleave);
hlist_del_init_rcu(&src->node);
src->pg->src_ents--;
hlist_add_head(&src->mcast_gc.gc_node, &br->mcast_gc_list);
queue_work(system_long_wq, &br->mcast_gc_work);
}
+void br_multicast_del_group_src(struct net_bridge_group_src *src,
+ bool fastleave)
+{
+ br_multicast_fwd_src_remove(src, fastleave);
+ __br_multicast_del_group_src(src);
+}
+
static void br_multicast_destroy_port_group(struct net_bridge_mcast_gc *gc)
{
struct net_bridge_port_group *pg;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 183de6c57d72..a3db99d79a3d 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -977,6 +977,7 @@ br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip);
struct net_bridge_group_src *
br_multicast_new_group_src(struct net_bridge_port_group *pg,
struct br_ip *src_ip);
+void __br_multicast_del_group_src(struct net_bridge_group_src *src);
void br_multicast_del_group_src(struct net_bridge_group_src *src,
bool fastleave);
void br_multicast_ctx_init(struct net_bridge *br,