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Diffstat (limited to 'net/bridge/br_private.h')
-rw-r--r--net/bridge/br_private.h103
1 files changed, 74 insertions, 29 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index fcd12333c59..23caf5b0309 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -35,6 +35,8 @@
#define BR_GROUPFWD_DEFAULT 0
/* Don't allow forwarding control protocols like STP and LLDP */
#define BR_GROUPFWD_RESTRICTED 0x4007u
+/* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */
+#define BR_GROUPFWD_8021AD 0xB801u
/* Path to usermode spanning tree program */
#define BR_STP_PROG "/sbin/bridge-stp"
@@ -46,38 +48,32 @@ typedef __u16 port_id;
struct bridge_id
{
unsigned char prio[2];
- unsigned char addr[6];
+ unsigned char addr[ETH_ALEN];
};
struct mac_addr
{
- unsigned char addr[6];
-};
-
-struct br_ip
-{
- union {
- __be32 ip4;
-#if IS_ENABLED(CONFIG_IPV6)
- struct in6_addr ip6;
-#endif
- } u;
- __be16 proto;
- __u16 vid;
+ unsigned char addr[ETH_ALEN];
};
#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;
+ struct net_bridge_port __rcu *port;
+};
#endif
struct net_port_vlans {
@@ -104,6 +100,7 @@ struct net_bridge_fdb_entry
mac_addr addr;
unsigned char is_local;
unsigned char is_static;
+ unsigned char added_by_user;
__u16 vlan_id;
};
@@ -173,11 +170,13 @@ 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;
@@ -197,6 +196,9 @@ 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)
@@ -226,6 +228,7 @@ struct net_bridge
bool nf_call_arptables;
#endif
u16 group_fwd_mask;
+ u16 group_fwd_mask_required;
/* STP */
bridge_id designated_root;
@@ -240,6 +243,7 @@ struct net_bridge
unsigned long bridge_forward_delay;
u8 group_addr[ETH_ALEN];
+ bool group_addr_set;
u16 root_port;
enum {
@@ -276,11 +280,13 @@ 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
@@ -289,8 +295,10 @@ 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;
+ __be16 vlan_proto;
struct net_port_vlans __rcu *vlan_info;
#endif
};
@@ -326,8 +334,6 @@ 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)
{
@@ -348,7 +354,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
netpoll_send_skb(np, skb);
}
-int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp);
+int br_netpoll_enable(struct net_bridge_port *p);
void br_netpoll_disable(struct net_bridge_port *p);
#else
static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
@@ -356,7 +362,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
{
}
-static inline int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
+static inline int br_netpoll_enable(struct net_bridge_port *p)
{
return 0;
}
@@ -370,6 +376,9 @@ static inline void br_netpoll_disable(struct net_bridge_port *p)
int br_fdb_init(void);
void br_fdb_fini(void);
void br_fdb_flush(struct net_bridge *br);
+void br_fdb_find_delete_local(struct net_bridge *br,
+ const struct net_bridge_port *p,
+ const unsigned char *addr, u16 vid);
void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr);
void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr);
void br_fdb_cleanup(unsigned long arg);
@@ -383,8 +392,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count,
int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
const unsigned char *addr, u16 vid);
void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
- const unsigned char *addr, u16 vid);
-int fdb_delete_by_addr(struct net_bridge *br, const u8 *addr, u16 vid);
+ const unsigned char *addr, u16 vid, bool added_by_user);
int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev, const unsigned char *addr);
@@ -392,6 +400,8 @@ 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);
@@ -412,6 +422,8 @@ 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);
@@ -482,7 +494,7 @@ 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));
@@ -493,10 +505,10 @@ 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;
@@ -578,13 +590,18 @@ 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);
int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags);
int br_vlan_delete(struct net_bridge *br, u16 vid);
void br_vlan_flush(struct net_bridge *br);
+bool br_vlan_find(struct net_bridge *br, u16 vid);
+void br_recalculate_fwd_mask(struct net_bridge *br);
int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val);
+int br_vlan_set_proto(struct net_bridge *br, unsigned long val);
+void br_vlan_init(struct net_bridge *br);
int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags);
int nbp_vlan_delete(struct net_bridge_port *port, u16 vid);
void nbp_vlan_flush(struct net_bridge_port *port);
@@ -628,6 +645,10 @@ 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,
@@ -644,6 +665,12 @@ 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)
@@ -665,6 +692,19 @@ static inline void br_vlan_flush(struct net_bridge *br)
{
}
+static inline bool br_vlan_find(struct net_bridge *br, u16 vid)
+{
+ return false;
+}
+
+static inline void br_recalculate_fwd_mask(struct net_bridge *br)
+{
+}
+
+static inline void br_vlan_init(struct net_bridge *br)
+{
+}
+
static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags)
{
return -EOPNOTSUPP;
@@ -703,6 +743,11 @@ 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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 02:21:06 +0000