bridge: add export of multicast database adjacent to net_dev

[cascardo/linux.git] / net / bridge / br_private.h

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 06811d7..50e2ab0 100644 (file)
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -54,30 +54,23 @@ struct mac_addr
        unsigned char   addr[ETH_ALEN];
 };
 
-struct br_ip
-{
-       union {
-               __be32  ip4;
-#if IS_ENABLED(CONFIG_IPV6)
-               struct in6_addr ip6;
-#endif
-       } u;
-       __be16          proto;
-       __u16           vid;
-};
-
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
 /* our own querier */
-struct bridge_mcast_query {
+struct bridge_mcast_own_query {
        struct timer_list       timer;
        u32                     startup_sent;
 };
 
 /* other querier */
-struct bridge_mcast_querier {
+struct bridge_mcast_other_query {
        struct timer_list               timer;
        unsigned long                   delay_time;
 };
+
+/* selected querier */
+struct bridge_mcast_querier {
+       struct br_ip addr;
+};
 #endif
 
 struct net_port_vlans {
@@ -174,11 +167,13 @@ struct net_bridge_port
 #define BR_ADMIN_COST          0x00000010
 #define BR_LEARNING            0x00000020
 #define BR_FLOOD               0x00000040
+#define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
+#define BR_PROMISC             0x00000080
 
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
-       struct bridge_mcast_query       ip4_query;
+       struct bridge_mcast_own_query   ip4_own_query;
 #if IS_ENABLED(CONFIG_IPV6)
-       struct bridge_mcast_query       ip6_query;
+       struct bridge_mcast_own_query   ip6_own_query;
 #endif /* IS_ENABLED(CONFIG_IPV6) */
        unsigned char                   multicast_router;
        struct timer_list               multicast_router_timer;
@@ -198,6 +193,9 @@ struct net_bridge_port
 #endif
 };
 
+#define br_auto_port(p) ((p)->flags & BR_AUTO_MASK)
+#define br_promisc_port(p) ((p)->flags & BR_PROMISC)
+
 #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT)
 
 static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev)
@@ -277,11 +275,13 @@ struct net_bridge
        struct hlist_head               router_list;
 
        struct timer_list               multicast_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_query       ip4_query;
 #if IS_ENABLED(CONFIG_IPV6)
+       struct bridge_mcast_other_query ip6_other_query;
+       struct bridge_mcast_own_query   ip6_own_query;
        struct bridge_mcast_querier     ip6_querier;
-       struct bridge_mcast_query       ip6_query;
 #endif /* IS_ENABLED(CONFIG_IPV6) */
 #endif
 
@@ -290,6 +290,7 @@ struct net_bridge
        struct timer_list               topology_change_timer;
        struct timer_list               gc_timer;
        struct kobject                  *ifobj;
+       u32                             auto_cnt;
 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
        u8                              vlan_enabled;
        struct net_port_vlans __rcu     *vlan_info;
@@ -327,8 +328,6 @@ struct br_input_skb_cb {
 #define br_debug(br, format, args...)                  \
        pr_debug("%s: " format,  (br)->dev->name, ##args)
 
-extern struct notifier_block br_device_notifier;
-
 /* called under bridge lock */
 static inline int br_is_root_bridge(const struct net_bridge *br)
 {
@@ -395,6 +394,8 @@ int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,
               const unsigned char *addr, u16 nlh_flags);
 int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
                struct net_device *dev, int idx);
+int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p);
+void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p);
 
 /* br_forward.c */
 void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb);
@@ -415,6 +416,8 @@ int br_del_if(struct net_bridge *br, struct net_device *dev);
 int br_min_mtu(const struct net_bridge *br);
 netdev_features_t br_features_recompute(struct net_bridge *br,
                                        netdev_features_t features);
+void br_port_flags_change(struct net_bridge_port *port, unsigned long mask);
+void br_manage_promisc(struct net_bridge *br);
 
 /* br_input.c */
 int br_handle_frame_finish(struct sk_buff *skb);
@@ -485,7 +488,7 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
 
 static inline bool
 __br_multicast_querier_exists(struct net_bridge *br,
-                             struct bridge_mcast_querier *querier)
+                             struct bridge_mcast_other_query *querier)
 {
        return time_is_before_jiffies(querier->delay_time) &&
               (br->multicast_querier || timer_pending(&querier->timer));
@@ -496,10 +499,10 @@ 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_querier);
+               return __br_multicast_querier_exists(br, &br->ip4_other_query);
 #if IS_ENABLED(CONFIG_IPV6)
        case (htons(ETH_P_IPV6)):
-               return __br_multicast_querier_exists(br, &br->ip6_querier);
+               return __br_multicast_querier_exists(br, &br->ip6_other_query);
 #endif
        default:
                return false;
@@ -581,6 +584,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v,
                        struct sk_buff *skb, u16 *vid);
 bool br_allowed_egress(struct net_bridge *br, const struct net_port_vlans *v,
                       const struct sk_buff *skb);
+bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid);
 struct sk_buff *br_handle_vlan(struct net_bridge *br,
                               const struct net_port_vlans *v,
                               struct sk_buff *skb);
@@ -632,6 +636,10 @@ static inline u16 br_get_pvid(const struct net_port_vlans *v)
        return v->pvid ?: VLAN_N_VID;
 }
 
+static inline int br_vlan_enabled(struct net_bridge *br)
+{
+       return br->vlan_enabled;
+}
 #else
 static inline bool br_allowed_ingress(struct net_bridge *br,
                                      struct net_port_vlans *v,
@@ -648,6 +656,12 @@ static inline bool br_allowed_egress(struct net_bridge *br,
        return true;
 }
 
+static inline bool br_should_learn(struct net_bridge_port *p,
+                                  struct sk_buff *skb, u16 *vid)
+{
+       return true;
+}
+
 static inline struct sk_buff *br_handle_vlan(struct net_bridge *br,
                                             const struct net_port_vlans *v,
                                             struct sk_buff *skb)
@@ -712,6 +726,11 @@ static inline u16 br_get_pvid(const struct net_port_vlans *v)
 {
        return VLAN_N_VID;      /* Returns invalid vid */
 }
+
+static inline int br_vlan_enabled(struct net_bridge *br)
+{
+       return 0;
+}
 #endif
 
 /* br_netfilter.c */