net: bridge: multicast: factor out bridge multicast context

Factor out the bridge's global multicast context into a separate
structure which will later be used for per-vlan global context.
No functional changes intended.
Signed-off-by: NNikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/bridge/br_mdb.c

@@ -16,13 +16,13 @@
 
 #include "br_private.h"
 
-static bool br_rports_have_mc_router(struct net_bridge *br)
+static bool br_rports_have_mc_router(struct net_bridge_mcast *brmctx)
 {
 #if IS_ENABLED(CONFIG_IPV6)
-	return !hlist_empty(&br->ip4_mc_router_list) ||
-	       !hlist_empty(&br->ip6_mc_router_list);
+	return !hlist_empty(&brmctx->ip4_mc_router_list) ||
+	       !hlist_empty(&brmctx->ip6_mc_router_list);
 #else
-	return !hlist_empty(&br->ip4_mc_router_list);
+	return !hlist_empty(&brmctx->ip4_mc_router_list);
 #endif
 }
 
@@ -54,10 +54,10 @@ static int br_rports_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
 	struct nlattr *nest, *port_nest;
 	struct net_bridge_port *p;
 
-	if (!br->multicast_router)
+	if (!br->multicast_ctx.multicast_router)
 		return 0;
 
-	if (!br_rports_have_mc_router(br))
+	if (!br_rports_have_mc_router(&br->multicast_ctx))
 		return 0;
 
 	nest = nla_nest_start_noflag(skb, MDBA_ROUTER);
@@ -240,7 +240,7 @@ static int __mdb_fill_info(struct sk_buff *skb,
 
 	switch (mp->addr.proto) {
 	case htons(ETH_P_IP):
-		dump_srcs_mode = !!(mp->br->multicast_igmp_version == 3);
+		dump_srcs_mode = !!(mp->br->multicast_ctx.multicast_igmp_version == 3);
 		if (mp->addr.src.ip4) {
 			if (nla_put_in_addr(skb, MDBA_MDB_EATTR_SOURCE,
 					    mp->addr.src.ip4))
@@ -250,7 +250,7 @@ static int __mdb_fill_info(struct sk_buff *skb,
 		break;
 #if IS_ENABLED(CONFIG_IPV6)
 	case htons(ETH_P_IPV6):
-		dump_srcs_mode = !!(mp->br->multicast_mld_version == 2);
+		dump_srcs_mode = !!(mp->br->multicast_ctx.multicast_mld_version == 2);
 		if (!ipv6_addr_any(&mp->addr.src.ip6)) {
 			if (nla_put_in6_addr(skb, MDBA_MDB_EATTR_SOURCE,
 					     &mp->addr.src.ip6))
@@ -483,7 +483,7 @@ static size_t rtnl_mdb_nlmsg_size(struct net_bridge_port_group *pg)
 		/* MDBA_MDB_EATTR_SOURCE */
 		if (pg->key.addr.src.ip4)
 			nlmsg_size += nla_total_size(sizeof(__be32));
-		if (pg->key.port->br->multicast_igmp_version == 2)
+		if (pg->key.port->br->multicast_ctx.multicast_igmp_version == 2)
 			goto out;
 		addr_size = sizeof(__be32);
 		break;
@@ -492,7 +492,7 @@ static size_t rtnl_mdb_nlmsg_size(struct net_bridge_port_group *pg)
 		/* MDBA_MDB_EATTR_SOURCE */
 		if (!ipv6_addr_any(&pg->key.addr.src.ip6))
 			nlmsg_size += nla_total_size(sizeof(struct in6_addr));
-		if (pg->key.port->br->multicast_mld_version == 1)
+		if (pg->key.port->br->multicast_ctx.multicast_mld_version == 1)
 			goto out;
 		addr_size = sizeof(struct in6_addr);
 		break;
@@ -1084,7 +1084,8 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
 	}
 	rcu_assign_pointer(*pp, p);
 	if (entry->state == MDB_TEMPORARY)
-		mod_timer(&p->timer, now + br->multicast_membership_interval);
+		mod_timer(&p->timer,
+			  now + br->multicast_ctx.multicast_membership_interval);
 	br_mdb_notify(br->dev, mp, p, RTM_NEWMDB);
 	/* if we are adding a new EXCLUDE port group (*,G) it needs to be also
 	 * added to all S,G entries for proper replication, if we are adding

net/bridge/br_netlink.c

@@ -1324,49 +1324,49 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
 	if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) {
 		u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]);
 
-		br->multicast_last_member_count = val;
+		br->multicast_ctx.multicast_last_member_count = val;
 	}
 
 	if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) {
 		u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]);
 
-		br->multicast_startup_query_count = val;
+		br->multicast_ctx.multicast_startup_query_count = val;
 	}
 
 	if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]);
 
-		br->multicast_last_member_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]);
 
-		br->multicast_membership_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_QUERIER_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]);
 
-		br->multicast_querier_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_QUERY_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]);
 
-		br->multicast_query_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_query_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]);
 
-		br->multicast_query_response_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) {
 		u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]);
 
-		br->multicast_startup_query_interval = clock_t_to_jiffies(val);
+		br->multicast_ctx.multicast_startup_query_interval = clock_t_to_jiffies(val);
 	}
 
 	if (data[IFLA_BR_MCAST_STATS_ENABLED]) {
@@ -1566,7 +1566,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
 		return -EMSGSIZE;
 #endif
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
-	if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) ||
+	if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER,
+		       br->multicast_ctx.multicast_router) ||
 	    nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING,
 		       br_opt_get(br, BROPT_MULTICAST_ENABLED)) ||
 	    nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR,
@@ -1578,38 +1579,38 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
 	    nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) ||
 	    nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) ||
 	    nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT,
-			br->multicast_last_member_count) ||
+			br->multicast_ctx.multicast_last_member_count) ||
 	    nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT,
-			br->multicast_startup_query_count) ||
+			br->multicast_ctx.multicast_startup_query_count) ||
 	    nla_put_u8(skb, IFLA_BR_MCAST_IGMP_VERSION,
-		       br->multicast_igmp_version))
+		       br->multicast_ctx.multicast_igmp_version))
 		return -EMSGSIZE;
 #if IS_ENABLED(CONFIG_IPV6)
 	if (nla_put_u8(skb, IFLA_BR_MCAST_MLD_VERSION,
-		       br->multicast_mld_version))
+		       br->multicast_ctx.multicast_mld_version))
 		return -EMSGSIZE;
 #endif
-	clockval = jiffies_to_clock_t(br->multicast_last_member_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_last_member_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;
-	clockval = jiffies_to_clock_t(br->multicast_membership_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_membership_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;
-	clockval = jiffies_to_clock_t(br->multicast_querier_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_querier_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;
-	clockval = jiffies_to_clock_t(br->multicast_query_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_query_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;
-	clockval = jiffies_to_clock_t(br->multicast_query_response_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_query_response_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;
-	clockval = jiffies_to_clock_t(br->multicast_startup_query_interval);
+	clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_startup_query_interval);
 	if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval,
 			      IFLA_BR_PAD))
 		return -EMSGSIZE;

net/bridge/br_private.h

@@ -106,6 +106,40 @@ struct net_bridge_mcast_port {
 #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */
 };
 
+/* net_bridge_mcast must be always defined due to forwarding stubs */
+struct net_bridge_mcast {
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+	struct net_bridge		*br;
+
+	u32				multicast_last_member_count;
+	u32				multicast_startup_query_count;
+
+	u8				multicast_igmp_version;
+	u8				multicast_router;
+#if IS_ENABLED(CONFIG_IPV6)
+	u8				multicast_mld_version;
+#endif
+	unsigned long			multicast_last_member_interval;
+	unsigned long			multicast_membership_interval;
+	unsigned long			multicast_querier_interval;
+	unsigned long			multicast_query_interval;
+	unsigned long			multicast_query_response_interval;
+	unsigned long			multicast_startup_query_interval;
+	struct hlist_head		ip4_mc_router_list;
+	struct timer_list		ip4_mc_router_timer;
+	struct bridge_mcast_other_query	ip4_other_query;
+	struct bridge_mcast_own_query	ip4_own_query;
+	struct bridge_mcast_querier	ip4_querier;
+#if IS_ENABLED(CONFIG_IPV6)
+	struct hlist_head		ip6_mc_router_list;
+	struct timer_list		ip6_mc_router_timer;
+	struct bridge_mcast_other_query	ip6_other_query;
+	struct bridge_mcast_own_query	ip6_own_query;
+	struct bridge_mcast_querier	ip6_querier;
+#endif /* IS_ENABLED(CONFIG_IPV6) */
+#endif /* CONFIG_BRIDGE_IGMP_SNOOPING */
+};
+
 struct br_tunnel_info {
 	__be64				tunnel_id;
 	struct metadata_dst __rcu	*tunnel_dst;
@@ -437,25 +471,14 @@ struct net_bridge {
 		BR_USER_STP,		/* new RSTP in userspace */
 	} stp_enabled;
 
+	struct net_bridge_mcast		multicast_ctx;
+
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+	struct bridge_mcast_stats	__percpu *mcast_stats;
 
 	u32				hash_max;
 
-	u32				multicast_last_member_count;
-	u32				multicast_startup_query_count;
-
-	u8				multicast_igmp_version;
-	u8				multicast_router;
-#if IS_ENABLED(CONFIG_IPV6)
-	u8				multicast_mld_version;
-#endif
 	spinlock_t			multicast_lock;
-	unsigned long			multicast_last_member_interval;
-	unsigned long			multicast_membership_interval;
-	unsigned long			multicast_querier_interval;
-	unsigned long			multicast_query_interval;
-	unsigned long			multicast_query_response_interval;
-	unsigned long			multicast_startup_query_interval;
 
 	struct rhashtable		mdb_hash_tbl;
 	struct rhashtable		sg_port_tbl;
@@ -463,19 +486,6 @@ struct net_bridge {
 	struct hlist_head		mcast_gc_list;
 	struct hlist_head		mdb_list;
 
-	struct hlist_head		ip4_mc_router_list;
-	struct timer_list		ip4_mc_router_timer;
-	struct bridge_mcast_other_query	ip4_other_query;
-	struct bridge_mcast_own_query	ip4_own_query;
-	struct bridge_mcast_querier	ip4_querier;
-	struct bridge_mcast_stats	__percpu *mcast_stats;
-#if IS_ENABLED(CONFIG_IPV6)
-	struct hlist_head		ip6_mc_router_list;
-	struct timer_list		ip6_mc_router_timer;
-	struct bridge_mcast_other_query	ip6_other_query;
-	struct bridge_mcast_own_query	ip6_own_query;
-	struct bridge_mcast_querier	ip6_querier;
-#endif /* IS_ENABLED(CONFIG_IPV6) */
 	struct work_struct		mcast_gc_work;
 #endif
 
@@ -880,16 +890,20 @@ static inline bool br_group_is_l2(const struct br_ip *group)
 	rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
 
 static inline struct hlist_node *
-br_multicast_get_first_rport_node(struct net_bridge *b, struct sk_buff *skb) {
+br_multicast_get_first_rport_node(struct net_bridge *br, struct sk_buff *skb)
+{
+	struct net_bridge_mcast *brmctx = &br->multicast_ctx;
+
 #if IS_ENABLED(CONFIG_IPV6)
 	if (skb->protocol == htons(ETH_P_IPV6))
-		return rcu_dereference(hlist_first_rcu(&b->ip6_mc_router_list));
+		return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list));
 #endif
-	return rcu_dereference(hlist_first_rcu(&b->ip4_mc_router_list));
+	return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list));
 }
 
 static inline struct net_bridge_port *
-br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) {
+br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb)
+{
 	struct net_bridge_mcast_port *mctx;
 
 #if IS_ENABLED(CONFIG_IPV6)
@@ -907,15 +921,15 @@ br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) {
 		return NULL;
 }
 
-static inline bool br_ip4_multicast_is_router(struct net_bridge *br)
+static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx)
 {
-	return timer_pending(&br->ip4_mc_router_timer);
+	return timer_pending(&brmctx->ip4_mc_router_timer);
 }
 
-static inline bool br_ip6_multicast_is_router(struct net_bridge *br)
+static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx)
 {
 #if IS_ENABLED(CONFIG_IPV6)
-	return timer_pending(&br->ip6_mc_router_timer);
+	return timer_pending(&brmctx->ip6_mc_router_timer);
 #else
 	return false;
 #endif
@@ -924,18 +938,20 @@ static inline bool br_ip6_multicast_is_router(struct net_bridge *br)
 static inline bool
 br_multicast_is_router(struct net_bridge *br, struct sk_buff *skb)
 {
-	switch (br->multicast_router) {
+	struct net_bridge_mcast *brmctx = &br->multicast_ctx;
+
+	switch (brmctx->multicast_router) {
 	case MDB_RTR_TYPE_PERM:
 		return true;
 	case MDB_RTR_TYPE_TEMP_QUERY:
 		if (skb) {
 			if (skb->protocol == htons(ETH_P_IP))
-				return br_ip4_multicast_is_router(br);
+				return br_ip4_multicast_is_router(brmctx);
 			else if (skb->protocol == htons(ETH_P_IPV6))
-				return br_ip6_multicast_is_router(br);
+				return br_ip6_multicast_is_router(brmctx);
 		} else {
-			return br_ip4_multicast_is_router(br) ||
-			       br_ip6_multicast_is_router(br);
+			return br_ip4_multicast_is_router(brmctx) ||
+			       br_ip6_multicast_is_router(brmctx);
 		}
 		fallthrough;
 	default:
@@ -970,11 +986,11 @@ static inline bool br_multicast_querier_exists(struct net_bridge *br,
 	switch (eth->h_proto) {
 	case (htons(ETH_P_IP)):
 		return __br_multicast_querier_exists(br,
-			&br->ip4_other_query, false);
+			&br->multicast_ctx.ip4_other_query, false);
 #if IS_ENABLED(CONFIG_IPV6)
 	case (htons(ETH_P_IPV6)):
 		return __br_multicast_querier_exists(br,
-			&br->ip6_other_query, true);
+			&br->multicast_ctx.ip6_other_query, true);
 #endif
 	default:
 		return !!mdb && br_group_is_l2(&mdb->addr);
@@ -1000,10 +1016,10 @@ static inline bool br_multicast_should_handle_mode(const struct net_bridge *br,
 {
 	switch (proto) {
 	case htons(ETH_P_IP):
-		return !!(br->multicast_igmp_version == 3);
+		return !!(br->multicast_ctx.multicast_igmp_version == 3);
 #if IS_ENABLED(CONFIG_IPV6)
 	case htons(ETH_P_IPV6):
-		return !!(br->multicast_mld_version == 2);
+		return !!(br->multicast_ctx.multicast_mld_version == 2);
 #endif
 	default:
 		return false;
@@ -1017,15 +1033,15 @@ static inline int br_multicast_igmp_type(const struct sk_buff *skb)
 
 static inline unsigned long br_multicast_lmqt(const struct net_bridge *br)
 {
-	return br->multicast_last_member_interval *
-	       br->multicast_last_member_count;
+	return br->multicast_ctx.multicast_last_member_interval *
+	       br->multicast_ctx.multicast_last_member_count;
 }
 
 static inline unsigned long br_multicast_gmi(const struct net_bridge *br)
 {
 	/* use the RFC default of 2 for QRV */
-	return 2 * br->multicast_query_interval +
-	       br->multicast_query_response_interval;
+	return 2 * br->multicast_ctx.multicast_query_interval +
+	       br->multicast_ctx.multicast_query_response_interval;
 }
 #else
 static inline int br_multicast_rcv(struct net_bridge *br,

net/bridge/br_sysfs_br.c

@@ -384,7 +384,7 @@ static ssize_t multicast_router_show(struct device *d,
 				     struct device_attribute *attr, char *buf)
 {
 	struct net_bridge *br = to_bridge(d);
-	return sprintf(buf, "%d\n", br->multicast_router);
+	return sprintf(buf, "%d\n", br->multicast_ctx.multicast_router);
 }
 
 static int set_multicast_router(struct net_bridge *br, unsigned long val,
@@ -514,7 +514,7 @@ static ssize_t multicast_igmp_version_show(struct device *d,
 {
 	struct net_bridge *br = to_bridge(d);
 
-	return sprintf(buf, "%u\n", br->multicast_igmp_version);
+	return sprintf(buf, "%u\n", br->multicast_ctx.multicast_igmp_version);
 }
 
 static int set_multicast_igmp_version(struct net_bridge *br, unsigned long val,
@@ -536,13 +536,13 @@ static ssize_t multicast_last_member_count_show(struct device *d,
 						char *buf)
 {
 	struct net_bridge *br = to_bridge(d);
-	return sprintf(buf, "%u\n", br->multicast_last_member_count);
+	return sprintf(buf, "%u\n", br->multicast_ctx.multicast_last_member_count);
 }
 
 static int set_last_member_count(struct net_bridge *br, unsigned long val,
 				 struct netlink_ext_ack *extack)
 {
-	br->multicast_last_member_count = val;
+	br->multicast_ctx.multicast_last_member_count = val;
 	return 0;
 }
 
@@ -558,13 +558,13 @@ static ssize_t multicast_startup_query_count_show(
 	struct device *d, struct device_attribute *attr, char *buf)
 {
 	struct net_bridge *br = to_bridge(d);
-	return sprintf(buf, "%u\n", br->multicast_startup_query_count);
+	return sprintf(buf, "%u\n", br->multicast_ctx.multicast_startup_query_count);
 }
 
 static int set_startup_query_count(struct net_bridge *br, unsigned long val,
 				   struct netlink_ext_ack *extack)
 {
-	br->multicast_startup_query_count = val;
+	br->multicast_ctx.multicast_startup_query_count = val;
 	return 0;
 }
 
@@ -581,13 +581,13 @@ static ssize_t multicast_last_member_interval_show(
 {
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(buf, "%lu\n",
-		       jiffies_to_clock_t(br->multicast_last_member_interval));
+		       jiffies_to_clock_t(br->multicast_ctx.multicast_last_member_interval));
 }
 
 static int set_last_member_interval(struct net_bridge *br, unsigned long val,
 				    struct netlink_ext_ack *extack)
 {
-	br->multicast_last_member_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -604,13 +604,13 @@ static ssize_t multicast_membership_interval_show(
 {
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(buf, "%lu\n",
-		       jiffies_to_clock_t(br->multicast_membership_interval));
+		       jiffies_to_clock_t(br->multicast_ctx.multicast_membership_interval));
 }
 
 static int set_membership_interval(struct net_bridge *br, unsigned long val,
 				   struct netlink_ext_ack *extack)
 {
-	br->multicast_membership_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -628,13 +628,13 @@ static ssize_t multicast_querier_interval_show(struct device *d,
 {
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(buf, "%lu\n",
-		       jiffies_to_clock_t(br->multicast_querier_interval));
+		       jiffies_to_clock_t(br->multicast_ctx.multicast_querier_interval));
 }
 
 static int set_querier_interval(struct net_bridge *br, unsigned long val,
 				struct netlink_ext_ack *extack)
 {
-	br->multicast_querier_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -652,13 +652,13 @@ static ssize_t multicast_query_interval_show(struct device *d,
 {
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(buf, "%lu\n",
-		       jiffies_to_clock_t(br->multicast_query_interval));
+		       jiffies_to_clock_t(br->multicast_ctx.multicast_query_interval));
 }
 
 static int set_query_interval(struct net_bridge *br, unsigned long val,
 			      struct netlink_ext_ack *extack)
 {
-	br->multicast_query_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_query_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -676,13 +676,13 @@ static ssize_t multicast_query_response_interval_show(
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(
 		buf, "%lu\n",
-		jiffies_to_clock_t(br->multicast_query_response_interval));
+		jiffies_to_clock_t(br->multicast_ctx.multicast_query_response_interval));
 }
 
 static int set_query_response_interval(struct net_bridge *br, unsigned long val,
 				       struct netlink_ext_ack *extack)
 {
-	br->multicast_query_response_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -700,13 +700,13 @@ static ssize_t multicast_startup_query_interval_show(
 	struct net_bridge *br = to_bridge(d);
 	return sprintf(
 		buf, "%lu\n",
-		jiffies_to_clock_t(br->multicast_startup_query_interval));
+		jiffies_to_clock_t(br->multicast_ctx.multicast_startup_query_interval));
 }
 
 static int set_startup_query_interval(struct net_bridge *br, unsigned long val,
 				      struct netlink_ext_ack *extack)
 {
-	br->multicast_startup_query_interval = clock_t_to_jiffies(val);
+	br->multicast_ctx.multicast_startup_query_interval = clock_t_to_jiffies(val);
 	return 0;
 }
 
@@ -751,7 +751,7 @@ static ssize_t multicast_mld_version_show(struct device *d,
 {
 	struct net_bridge *br = to_bridge(d);
 
-	return sprintf(buf, "%u\n", br->multicast_mld_version);
+	return sprintf(buf, "%u\n", br->multicast_ctx.multicast_mld_version);
 }
 
 static int set_multicast_mld_version(struct net_bridge *br, unsigned long val,