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-rw-r--r--net/bridge/br_mdb.c17
-rw-r--r--net/bridge/br_private.h15
-rw-r--r--net/bridge/br_vlan_options.c18
3 files changed, 37 insertions, 13 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index 7c16e2c76220..389ff3c1e9d9 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -16,16 +16,6 @@
#include "br_private.h"
-static bool br_rports_have_mc_router(const struct net_bridge_mcast *brmctx)
-{
-#if IS_ENABLED(CONFIG_IPV6)
- return !hlist_empty(&brmctx->ip4_mc_router_list) ||
- !hlist_empty(&brmctx->ip6_mc_router_list);
-#else
- return !hlist_empty(&brmctx->ip4_mc_router_list);
-#endif
-}
-
static bool
br_ip4_rports_get_timer(struct net_bridge_mcast_port *pmctx,
unsigned long *timer)
@@ -47,8 +37,8 @@ br_ip6_rports_get_timer(struct net_bridge_mcast_port *pmctx,
#endif
}
-static int br_rports_fill_info(struct sk_buff *skb,
- const struct net_bridge_mcast *brmctx)
+int br_rports_fill_info(struct sk_buff *skb,
+ const struct net_bridge_mcast *brmctx)
{
u16 vid = brmctx->vlan ? brmctx->vlan->vid : 0;
bool have_ip4_mc_rtr, have_ip6_mc_rtr;
@@ -97,7 +87,8 @@ static int br_rports_fill_info(struct sk_buff *skb,
ip4_timer)) ||
(have_ip6_mc_rtr &&
nla_put_u32(skb, MDBA_ROUTER_PATTR_INET6_TIMER,
- ip6_timer))) {
+ ip6_timer)) ||
+ (vid && nla_put_u16(skb, MDBA_ROUTER_PATTR_VID, vid))) {
nla_nest_cancel(skb, port_nest);
goto fail;
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6d5681ca8d2f..32c218aa3f36 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -945,6 +945,8 @@ bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on);
int br_mdb_replay(struct net_device *br_dev, struct net_device *dev,
const void *ctx, bool adding, struct notifier_block *nb,
struct netlink_ext_ack *extack);
+int br_rports_fill_info(struct sk_buff *skb,
+ const struct net_bridge_mcast *brmctx);
static inline bool br_group_is_l2(const struct br_ip *group)
{
@@ -1169,6 +1171,17 @@ br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx)
}
static inline bool
+br_rports_have_mc_router(const struct net_bridge_mcast *brmctx)
+{
+#if IS_ENABLED(CONFIG_IPV6)
+ return !hlist_empty(&brmctx->ip4_mc_router_list) ||
+ !hlist_empty(&brmctx->ip6_mc_router_list);
+#else
+ return !hlist_empty(&brmctx->ip4_mc_router_list);
+#endif
+}
+
+static inline bool
br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1,
const struct net_bridge_mcast *brmctx2)
{
@@ -1192,6 +1205,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1,
brmctx2->multicast_startup_query_interval &&
brmctx1->multicast_querier == brmctx2->multicast_querier &&
brmctx1->multicast_router == brmctx2->multicast_router &&
+ !br_rports_have_mc_router(brmctx1) &&
+ !br_rports_have_mc_router(brmctx2) &&
#if IS_ENABLED(CONFIG_IPV6)
brmctx1->multicast_mld_version ==
brmctx2->multicast_mld_version &&
diff --git a/net/bridge/br_vlan_options.c b/net/bridge/br_vlan_options.c
index 6ba45b73931f..b4fd5fa441b7 100644
--- a/net/bridge/br_vlan_options.c
+++ b/net/bridge/br_vlan_options.c
@@ -272,6 +272,7 @@ bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr,
bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
const struct net_bridge_vlan *v_opts)
{
+ struct nlattr *nest2 __maybe_unused;
u64 clockval __maybe_unused;
struct nlattr *nest;
@@ -326,6 +327,23 @@ bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
clockval, BRIDGE_VLANDB_GOPTS_PAD))
goto out_err;
+ if (br_rports_have_mc_router(&v_opts->br_mcast_ctx)) {
+ nest2 = nla_nest_start(skb,
+ BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS);
+ if (!nest2)
+ goto out_err;
+
+ rcu_read_lock();
+ if (br_rports_fill_info(skb, &v_opts->br_mcast_ctx)) {
+ rcu_read_unlock();
+ nla_nest_cancel(skb, nest2);
+ goto out_err;
+ }
+ rcu_read_unlock();
+
+ nla_nest_end(skb, nest2);
+ }
+
#if IS_ENABLED(CONFIG_IPV6)
if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
v_opts->br_mcast_ctx.multicast_mld_version))