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-rw-r--r--net/bridge/br_private.h79
1 files changed, 47 insertions, 32 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 2f7da41851b..598cb0b333c 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -66,6 +66,20 @@ struct br_ip
__u16 vid;
};
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+/* our own querier */
+struct bridge_mcast_query {
+ struct timer_list timer;
+ u32 startup_sent;
+};
+
+/* other querier */
+struct bridge_mcast_querier {
+ struct timer_list timer;
+ unsigned long delay_time;
+};
+#endif
+
struct net_port_vlans {
u16 port_idx;
u16 pvid;
@@ -162,10 +176,12 @@ struct net_bridge_port
#define BR_FLOOD 0x00000040
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
- u32 multicast_startup_queries_sent;
+ struct bridge_mcast_query ip4_query;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct bridge_mcast_query ip6_query;
+#endif /* IS_ENABLED(CONFIG_IPV6) */
unsigned char multicast_router;
struct timer_list multicast_router_timer;
- struct timer_list multicast_query_timer;
struct hlist_head mglist;
struct hlist_node rlist;
#endif
@@ -258,7 +274,6 @@ struct net_bridge
u32 hash_max;
u32 multicast_last_member_count;
- u32 multicast_startup_queries_sent;
u32 multicast_startup_query_count;
unsigned long multicast_last_member_interval;
@@ -267,15 +282,18 @@ struct net_bridge
unsigned long multicast_query_interval;
unsigned long multicast_query_response_interval;
unsigned long multicast_startup_query_interval;
- unsigned long multicast_querier_delay_time;
spinlock_t multicast_lock;
struct net_bridge_mdb_htable __rcu *mdb;
struct hlist_head router_list;
struct timer_list multicast_router_timer;
- struct timer_list multicast_querier_timer;
- struct timer_list multicast_query_timer;
+ struct bridge_mcast_querier ip4_querier;
+ struct bridge_mcast_query ip4_query;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct bridge_mcast_querier ip6_querier;
+ struct bridge_mcast_query ip6_query;
+#endif /* IS_ENABLED(CONFIG_IPV6) */
#endif
struct timer_list hello_timer;
@@ -334,11 +352,6 @@ extern void br_dev_delete(struct net_device *dev, struct list_head *list);
extern netdev_tx_t br_dev_xmit(struct sk_buff *skb,
struct net_device *dev);
#ifdef CONFIG_NET_POLL_CONTROLLER
-static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
-{
- return br->dev->npinfo;
-}
-
static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb)
{
@@ -351,11 +364,6 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp);
extern void br_netpoll_disable(struct net_bridge_port *p);
#else
-static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
-{
- return NULL;
-}
-
static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb)
{
@@ -476,7 +484,7 @@ extern void br_multicast_free_pg(struct rcu_head *head);
extern struct net_bridge_port_group *br_multicast_new_port_group(
struct net_bridge_port *port,
struct br_ip *group,
- struct net_bridge_port_group *next,
+ struct net_bridge_port_group __rcu *next,
unsigned char state);
extern void br_mdb_init(void);
extern void br_mdb_uninit(void);
@@ -486,16 +494,6 @@ extern void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
#define mlock_dereference(X, br) \
rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
-#if IS_ENABLED(CONFIG_IPV6)
-#include <net/addrconf.h>
-static inline int ipv6_is_transient_multicast(const struct in6_addr *addr)
-{
- if (ipv6_addr_is_multicast(addr) && IPV6_ADDR_MC_FLAG_TRANSIENT(addr))
- return 1;
- return 0;
-}
-#endif
-
static inline bool br_multicast_is_router(struct net_bridge *br)
{
return br->multicast_router == 2 ||
@@ -503,11 +501,27 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
timer_pending(&br->multicast_router_timer));
}
-static inline bool br_multicast_querier_exists(struct net_bridge *br)
+static inline bool
+__br_multicast_querier_exists(struct net_bridge *br,
+ struct bridge_mcast_querier *querier)
+{
+ return time_is_before_jiffies(querier->delay_time) &&
+ (br->multicast_querier || timer_pending(&querier->timer));
+}
+
+static inline bool br_multicast_querier_exists(struct net_bridge *br,
+ struct ethhdr *eth)
{
- return time_is_before_jiffies(br->multicast_querier_delay_time) &&
- (br->multicast_querier ||
- timer_pending(&br->multicast_querier_timer));
+ switch (eth->h_proto) {
+ case (htons(ETH_P_IP)):
+ return __br_multicast_querier_exists(br, &br->ip4_querier);
+#if IS_ENABLED(CONFIG_IPV6)
+ case (htons(ETH_P_IPV6)):
+ return __br_multicast_querier_exists(br, &br->ip6_querier);
+#endif
+ default:
+ return false;
+ }
}
#else
static inline int br_multicast_rcv(struct net_bridge *br,
@@ -565,7 +579,8 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
{
return 0;
}
-static inline bool br_multicast_querier_exists(struct net_bridge *br)
+static inline bool br_multicast_querier_exists(struct net_bridge *br,
+ struct ethhdr *eth)
{
return false;
}