* Authors:
* Lennert Buytenhek <buytenh@gnu.org>
*
- * $Id: br_private.h,v 1.7 2001/12/24 00:59:55 davem Exp $
- *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
#define _BR_PRIVATE_H
#include <linux/netdevice.h>
-#include <linux/miscdevice.h>
#include <linux/if_bridge.h>
+#include <net/route.h>
#define BR_HASH_BITS 8
#define BR_HASH_SIZE (1 << BR_HASH_BITS)
#define BR_PORT_BITS 10
#define BR_MAX_PORTS (1<<BR_PORT_BITS)
+#define BR_VERSION "2.3"
+
+/* Path to usermode spanning tree program */
+#define BR_STP_PROG "/sbin/bridge-stp"
+
typedef struct bridge_id bridge_id;
typedef struct mac_addr mac_addr;
typedef __u16 port_id;
struct net_bridge_port *dst;
struct rcu_head rcu;
- atomic_t use_count;
unsigned long ageing_timer;
mac_addr addr;
unsigned char is_local;
unsigned char is_static;
};
+struct net_bridge_port_group {
+ struct net_bridge_port *port;
+ struct net_bridge_port_group *next;
+ struct hlist_node mglist;
+ struct rcu_head rcu;
+ struct timer_list timer;
+ struct timer_list query_timer;
+ __be32 addr;
+ u32 queries_sent;
+};
+
+struct net_bridge_mdb_entry
+{
+ struct hlist_node hlist[2];
+ struct hlist_node mglist;
+ struct net_bridge *br;
+ struct net_bridge_port_group *ports;
+ struct rcu_head rcu;
+ struct timer_list timer;
+ struct timer_list query_timer;
+ __be32 addr;
+ u32 queries_sent;
+};
+
+struct net_bridge_mdb_htable
+{
+ struct hlist_head *mhash;
+ struct rcu_head rcu;
+ struct net_bridge_mdb_htable *old;
+ u32 size;
+ u32 max;
+ u32 secret;
+ u32 ver;
+};
+
struct net_bridge_port
{
struct net_bridge *br;
struct timer_list message_age_timer;
struct kobject kobj;
struct rcu_head rcu;
+
+ unsigned long flags;
+#define BR_HAIRPIN_MODE 0x00000001
+
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ u32 multicast_startup_queries_sent;
+ 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
};
struct net_bridge
spinlock_t lock;
struct list_head port_list;
struct net_device *dev;
- struct net_device_stats statistics;
spinlock_t hash_lock;
struct hlist_head hash[BR_HASH_SIZE];
- struct list_head age_list;
+ unsigned long feature_mask;
+#ifdef CONFIG_BRIDGE_NETFILTER
+ struct rtable fake_rtable;
+#endif
+ unsigned long flags;
+#define BR_SET_MAC_ADDR 0x00000001
/* STP */
bridge_id designated_root;
unsigned long bridge_hello_time;
unsigned long bridge_forward_delay;
+ u8 group_addr[ETH_ALEN];
u16 root_port;
- unsigned char stp_enabled;
+
+ enum {
+ BR_NO_STP, /* no spanning tree */
+ BR_KERNEL_STP, /* old STP in kernel */
+ 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;
+
+ u8 multicast_disabled:1;
+
+ u32 hash_elasticity;
+ u32 hash_max;
+
+ u32 multicast_last_member_count;
+ u32 multicast_startup_queries_sent;
+ u32 multicast_startup_query_count;
+
+ 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;
+
+ spinlock_t multicast_lock;
+ struct net_bridge_mdb_htable *mdb;
+ struct hlist_head router_list;
+ struct hlist_head mglist;
+
+ struct timer_list multicast_router_timer;
+ struct timer_list multicast_querier_timer;
+ struct timer_list multicast_query_timer;
+#endif
+
struct timer_list hello_timer;
struct timer_list tcn_timer;
struct timer_list topology_change_timer;
struct timer_list gc_timer;
- struct kobject ifobj;
+ struct kobject *ifobj;
+};
+
+struct br_input_skb_cb {
+ struct net_device *brdev;
+ int igmp;
+ int mrouters_only;
};
+#define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb)
+
extern struct notifier_block br_device_notifier;
-extern const unsigned char bridge_ula[6];
+extern const u8 br_group_address[ETH_ALEN];
/* called under bridge lock */
static inline int br_is_root_bridge(const struct net_bridge *br)
return !memcmp(&br->bridge_id, &br->designated_root, 8);
}
-
/* br_device.c */
extern void br_dev_setup(struct net_device *dev);
-extern int br_dev_xmit(struct sk_buff *skb, struct net_device *dev);
+extern netdev_tx_t br_dev_xmit(struct sk_buff *skb,
+ struct net_device *dev);
/* br_fdb.c */
-extern void br_fdb_init(void);
+extern int br_fdb_init(void);
extern void br_fdb_fini(void);
+extern void br_fdb_flush(struct net_bridge *br);
extern void br_fdb_changeaddr(struct net_bridge_port *p,
const unsigned char *newaddr);
extern void br_fdb_cleanup(unsigned long arg);
extern void br_fdb_delete_by_port(struct net_bridge *br,
- struct net_bridge_port *p);
+ const struct net_bridge_port *p, int do_all);
extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
const unsigned char *addr);
-extern struct net_bridge_fdb_entry *br_fdb_get(struct net_bridge *br,
- unsigned char *addr);
-extern void br_fdb_put(struct net_bridge_fdb_entry *ent);
-extern int br_fdb_fillbuf(struct net_bridge *br, void *buf,
+extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr);
+extern int br_fdb_fillbuf(struct net_bridge *br, void *buf,
unsigned long count, unsigned long off);
extern int br_fdb_insert(struct net_bridge *br,
struct net_bridge_port *source,
extern void br_forward(const struct net_bridge_port *to,
struct sk_buff *skb);
extern int br_forward_finish(struct sk_buff *skb);
-extern void br_flood_deliver(struct net_bridge *br,
- struct sk_buff *skb,
- int clone);
-extern void br_flood_forward(struct net_bridge *br,
- struct sk_buff *skb,
- int clone);
+extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb);
+extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
+ struct sk_buff *skb2);
/* br_if.c */
-extern int br_add_bridge(const char *name);
-extern int br_del_bridge(const char *name);
-extern void br_cleanup_bridges(void);
+extern void br_port_carrier_check(struct net_bridge_port *p);
+extern int br_add_bridge(struct net *net, const char *name);
+extern int br_del_bridge(struct net *net, const char *name);
+extern void br_net_exit(struct net *net);
extern int br_add_if(struct net_bridge *br,
struct net_device *dev);
extern int br_del_if(struct net_bridge *br,
struct net_device *dev);
extern int br_min_mtu(const struct net_bridge *br);
+extern void br_features_recompute(struct net_bridge *br);
/* br_input.c */
extern int br_handle_frame_finish(struct sk_buff *skb);
-extern int br_handle_frame(struct net_bridge_port *p, struct sk_buff **pskb);
+extern struct sk_buff *br_handle_frame(struct net_bridge_port *p,
+ struct sk_buff *skb);
/* br_ioctl.c */
extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-extern int br_ioctl_deviceless_stub(unsigned int cmd, void __user *arg);
+extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg);
+
+/* br_multicast.c */
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+extern int br_multicast_rcv(struct net_bridge *br,
+ struct net_bridge_port *port,
+ struct sk_buff *skb);
+extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
+ struct sk_buff *skb);
+extern void br_multicast_add_port(struct net_bridge_port *port);
+extern void br_multicast_del_port(struct net_bridge_port *port);
+extern void br_multicast_enable_port(struct net_bridge_port *port);
+extern void br_multicast_disable_port(struct net_bridge_port *port);
+extern void br_multicast_init(struct net_bridge *br);
+extern void br_multicast_open(struct net_bridge *br);
+extern void br_multicast_stop(struct net_bridge *br);
+extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst,
+ struct sk_buff *skb);
+extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst,
+ struct sk_buff *skb, struct sk_buff *skb2);
+extern int br_multicast_set_router(struct net_bridge *br, unsigned long val);
+extern int br_multicast_set_port_router(struct net_bridge_port *p,
+ unsigned long val);
+extern int br_multicast_toggle(struct net_bridge *br, unsigned long val);
+extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val);
+
+static inline bool br_multicast_is_router(struct net_bridge *br)
+{
+ return br->multicast_router == 2 ||
+ (br->multicast_router == 1 &&
+ timer_pending(&br->multicast_router_timer));
+}
+#else
+static inline int br_multicast_rcv(struct net_bridge *br,
+ struct net_bridge_port *port,
+ struct sk_buff *skb)
+{
+ return 0;
+}
+
+static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
+ struct sk_buff *skb)
+{
+ return NULL;
+}
+
+static inline void br_multicast_add_port(struct net_bridge_port *port)
+{
+}
+
+static inline void br_multicast_del_port(struct net_bridge_port *port)
+{
+}
+
+static inline void br_multicast_enable_port(struct net_bridge_port *port)
+{
+}
+
+static inline void br_multicast_disable_port(struct net_bridge_port *port)
+{
+}
+
+static inline void br_multicast_init(struct net_bridge *br)
+{
+}
+
+static inline void br_multicast_open(struct net_bridge *br)
+{
+}
+
+static inline void br_multicast_stop(struct net_bridge *br)
+{
+}
+
+static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst,
+ struct sk_buff *skb)
+{
+}
+
+static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst,
+ struct sk_buff *skb,
+ struct sk_buff *skb2)
+{
+}
+static inline bool br_multicast_is_router(struct net_bridge *br)
+{
+ return 0;
+}
+#endif
/* br_netfilter.c */
+#ifdef CONFIG_BRIDGE_NETFILTER
extern int br_netfilter_init(void);
extern void br_netfilter_fini(void);
+extern void br_netfilter_rtable_init(struct net_bridge *);
+#else
+#define br_netfilter_init() (0)
+#define br_netfilter_fini() do { } while(0)
+#define br_netfilter_rtable_init(x)
+#endif
/* br_stp.c */
extern void br_log_state(const struct net_bridge_port *p);
extern struct net_bridge_port *br_get_port(struct net_bridge *br,
- u16 port_no);
+ u16 port_no);
extern void br_init_port(struct net_bridge_port *p);
extern void br_become_designated_port(struct net_bridge_port *p);
/* br_stp_if.c */
extern void br_stp_enable_bridge(struct net_bridge *br);
extern void br_stp_disable_bridge(struct net_bridge *br);
+extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val);
extern void br_stp_enable_port(struct net_bridge_port *p);
extern void br_stp_disable_port(struct net_bridge_port *p);
extern void br_stp_recalculate_bridge_id(struct net_bridge *br);
+extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a);
extern void br_stp_set_bridge_priority(struct net_bridge *br,
u16 newprio);
extern void br_stp_set_port_priority(struct net_bridge_port *p,
extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id);
/* br_stp_bpdu.c */
-extern int br_stp_handle_bpdu(struct sk_buff *skb);
+struct stp_proto;
+extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
+ struct net_device *dev);
/* br_stp_timer.c */
extern void br_stp_timer_init(struct net_bridge *br);
extern unsigned long br_timer_value(const struct timer_list *timer);
/* br.c */
-extern struct net_bridge_fdb_entry *(*br_fdb_get_hook)(struct net_bridge *br,
- unsigned char *addr);
-extern void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent);
+#if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
+extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr);
+#endif
+/* br_netlink.c */
+extern int br_netlink_init(void);
+extern void br_netlink_fini(void);
+extern void br_ifinfo_notify(int event, struct net_bridge_port *port);
#ifdef CONFIG_SYSFS
/* br_sysfs_if.c */
+extern const struct sysfs_ops brport_sysfs_ops;
extern int br_sysfs_addif(struct net_bridge_port *p);
-extern void br_sysfs_removeif(struct net_bridge_port *p);
-extern void br_sysfs_freeif(struct net_bridge_port *p);
/* br_sysfs_br.c */
extern int br_sysfs_addbr(struct net_device *dev);
#else
#define br_sysfs_addif(p) (0)
-#define br_sysfs_removeif(p) do { } while(0)
-#define br_sysfs_freeif(p) kfree(p)
#define br_sysfs_addbr(dev) (0)
#define br_sysfs_delbr(dev) do { } while(0)
#endif /* CONFIG_SYSFS */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff