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Diffstat (limited to 'net/bridge/br_private.h')
-rw-r--r--net/bridge/br_private.h86
1 files changed, 54 insertions, 32 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 8ce621e8345c..2288fca7756c 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -91,6 +91,11 @@ struct br_vlan_stats {
struct u64_stats_sync syncp;
};
+struct br_tunnel_info {
+ __be64 tunnel_id;
+ struct metadata_dst *tunnel_dst;
+};
+
/**
* struct net_bridge_vlan - per-vlan entry
*
@@ -113,6 +118,7 @@ struct br_vlan_stats {
*/
struct net_bridge_vlan {
struct rhash_head vnode;
+ struct rhash_head tnode;
u16 vid;
u16 flags;
struct br_vlan_stats __percpu *stats;
@@ -124,6 +130,9 @@ struct net_bridge_vlan {
atomic_t refcnt;
struct net_bridge_vlan *brvlan;
};
+
+ struct br_tunnel_info tinfo;
+
struct list_head vlist;
struct rcu_head rcu;
@@ -145,24 +154,27 @@ struct net_bridge_vlan {
*/
struct net_bridge_vlan_group {
struct rhashtable vlan_hash;
+ struct rhashtable tunnel_hash;
struct list_head vlan_list;
u16 num_vlans;
u16 pvid;
};
-struct net_bridge_fdb_entry
-{
+struct net_bridge_fdb_entry {
struct hlist_node hlist;
struct net_bridge_port *dst;
- unsigned long updated;
- unsigned long used;
mac_addr addr;
__u16 vlan_id;
unsigned char is_local:1,
is_static:1,
added_by_user:1,
added_by_external_learn:1;
+
+ /* write-heavy members should not affect lookups */
+ unsigned long updated ____cacheline_aligned_in_smp;
+ unsigned long used;
+
struct rcu_head rcu;
};
@@ -177,6 +189,7 @@ struct net_bridge_port_group {
struct timer_list timer;
struct br_ip addr;
unsigned char flags;
+ unsigned char eth_addr[ETH_ALEN];
};
struct net_bridge_mdb_entry
@@ -201,12 +214,16 @@ struct net_bridge_mdb_htable
u32 ver;
};
-struct net_bridge_port
-{
+struct net_bridge_port {
struct net_bridge *br;
struct net_device *dev;
struct list_head list;
+ unsigned long flags;
+#ifdef CONFIG_BRIDGE_VLAN_FILTERING
+ struct net_bridge_vlan_group __rcu *vlgrp;
+#endif
+
/* STP */
u8 priority;
u8 state;
@@ -227,8 +244,6 @@ struct net_bridge_port
struct kobject kobj;
struct rcu_head rcu;
- unsigned long flags;
-
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
struct bridge_mcast_own_query ip4_own_query;
#if IS_ENABLED(CONFIG_IPV6)
@@ -248,9 +263,6 @@ struct net_bridge_port
#ifdef CONFIG_NET_POLL_CONTROLLER
struct netpoll *np;
#endif
-#ifdef CONFIG_BRIDGE_VLAN_FILTERING
- struct net_bridge_vlan_group __rcu *vlgrp;
-#endif
#ifdef CONFIG_NET_SWITCHDEV
int offload_fwd_mark;
#endif
@@ -272,14 +284,21 @@ static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *
rtnl_dereference(dev->rx_handler_data) : NULL;
}
-struct net_bridge
-{
+struct net_bridge {
spinlock_t lock;
+ spinlock_t hash_lock;
struct list_head port_list;
struct net_device *dev;
-
struct pcpu_sw_netstats __percpu *stats;
- spinlock_t hash_lock;
+ /* These fields are accessed on each packet */
+#ifdef CONFIG_BRIDGE_VLAN_FILTERING
+ u8 vlan_enabled;
+ u8 vlan_stats_enabled;
+ __be16 vlan_proto;
+ u16 default_pvid;
+ struct net_bridge_vlan_group __rcu *vlgrp;
+#endif
+
struct hlist_head hash[BR_HASH_SIZE];
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
union {
@@ -297,6 +316,9 @@ struct net_bridge
bridge_id designated_root;
bridge_id bridge_id;
u32 root_path_cost;
+ unsigned char topology_change;
+ unsigned char topology_change_detected;
+ u16 root_port;
unsigned long max_age;
unsigned long hello_time;
unsigned long forward_delay;
@@ -308,7 +330,6 @@ struct net_bridge
u8 group_addr[ETH_ALEN];
bool group_addr_set;
- u16 root_port;
enum {
BR_NO_STP, /* no spanning tree */
@@ -316,9 +337,6 @@ struct net_bridge
BR_USER_STP, /* new RSTP in userspace */
} stp_enabled;
- unsigned char topology_change;
- unsigned char topology_change_detected;
-
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
unsigned char multicast_router;
@@ -363,21 +381,13 @@ struct net_bridge
struct timer_list hello_timer;
struct timer_list tcn_timer;
struct timer_list topology_change_timer;
- struct timer_list gc_timer;
+ struct delayed_work gc_work;
struct kobject *ifobj;
u32 auto_cnt;
#ifdef CONFIG_NET_SWITCHDEV
int offload_fwd_mark;
#endif
-
-#ifdef CONFIG_BRIDGE_VLAN_FILTERING
- struct net_bridge_vlan_group __rcu *vlgrp;
- u8 vlan_enabled;
- u8 vlan_stats_enabled;
- __be16 vlan_proto;
- u16 default_pvid;
-#endif
};
struct br_input_skb_cb {
@@ -494,11 +504,12 @@ void br_fdb_find_delete_local(struct net_bridge *br,
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);
+void br_fdb_cleanup(struct work_struct *work);
void br_fdb_delete_by_port(struct net_bridge *br,
const struct net_bridge_port *p, u16 vid, int do_all);
-struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
- const unsigned char *addr, __u16 vid);
+struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br,
+ const unsigned char *addr,
+ __u16 vid);
int br_fdb_test_addr(struct net_device *dev, unsigned char *addr);
int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count,
unsigned long off);
@@ -520,6 +531,15 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid);
+static inline bool br_hash_lock_held(struct net_bridge *br)
+{
+#ifdef CONFIG_LOCKDEP
+ return lockdep_is_held(&br->hash_lock);
+#else
+ return true;
+#endif
+}
+
/* br_forward.c */
enum br_pkt_type {
BR_PKT_UNICAST,
@@ -599,7 +619,7 @@ void br_multicast_free_pg(struct rcu_head *head);
struct net_bridge_port_group *
br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
struct net_bridge_port_group __rcu *next,
- unsigned char flags);
+ unsigned char flags, const unsigned char *src);
void br_mdb_init(void);
void br_mdb_uninit(void);
void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
@@ -764,6 +784,7 @@ bool br_allowed_egress(struct net_bridge_vlan_group *vg,
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_bridge_port *port,
struct net_bridge_vlan_group *vg,
struct sk_buff *skb);
int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags);
@@ -863,6 +884,7 @@ static inline bool br_should_learn(struct net_bridge_port *p,
}
static inline struct sk_buff *br_handle_vlan(struct net_bridge *br,
+ const struct net_bridge_port *port,
struct net_bridge_vlan_group *vg,
struct sk_buff *skb)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.