powerpc/eeh: Fix PE#0 check in eeh_add_to_parent_pe()
[linux/fpc-iii.git] / net / bridge / br_private.h
blobde0919975a25318093cfa640231239f58c113f61
1 /*
2 * Linux ethernet bridge
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
13 #ifndef _BR_PRIVATE_H
14 #define _BR_PRIVATE_H
16 #include <linux/netdevice.h>
17 #include <linux/if_bridge.h>
18 #include <linux/netpoll.h>
19 #include <linux/u64_stats_sync.h>
20 #include <net/route.h>
21 #include <linux/if_vlan.h>
23 #define BR_HASH_BITS 8
24 #define BR_HASH_SIZE (1 << BR_HASH_BITS)
26 #define BR_HOLD_TIME (1*HZ)
28 #define BR_PORT_BITS 10
29 #define BR_MAX_PORTS (1<<BR_PORT_BITS)
30 #define BR_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID)
32 #define BR_VERSION "2.3"
34 /* Control of forwarding link local multicast */
35 #define BR_GROUPFWD_DEFAULT 0
36 /* Don't allow forwarding control protocols like STP and LLDP */
37 #define BR_GROUPFWD_RESTRICTED 0x4007u
38 /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */
39 #define BR_GROUPFWD_8021AD 0xB801u
41 /* Path to usermode spanning tree program */
42 #define BR_STP_PROG "/sbin/bridge-stp"
44 typedef struct bridge_id bridge_id;
45 typedef struct mac_addr mac_addr;
46 typedef __u16 port_id;
48 struct bridge_id
50 unsigned char prio[2];
51 unsigned char addr[ETH_ALEN];
54 struct mac_addr
56 unsigned char addr[ETH_ALEN];
59 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
60 /* our own querier */
61 struct bridge_mcast_own_query {
62 struct timer_list timer;
63 u32 startup_sent;
66 /* other querier */
67 struct bridge_mcast_other_query {
68 struct timer_list timer;
69 unsigned long delay_time;
72 /* selected querier */
73 struct bridge_mcast_querier {
74 struct br_ip addr;
75 struct net_bridge_port __rcu *port;
77 #endif
79 struct net_port_vlans {
80 u16 port_idx;
81 u16 pvid;
82 union {
83 struct net_bridge_port *port;
84 struct net_bridge *br;
85 } parent;
86 struct rcu_head rcu;
87 unsigned long vlan_bitmap[BR_VLAN_BITMAP_LEN];
88 unsigned long untagged_bitmap[BR_VLAN_BITMAP_LEN];
89 u16 num_vlans;
92 struct net_bridge_fdb_entry
94 struct hlist_node hlist;
95 struct net_bridge_port *dst;
97 struct rcu_head rcu;
98 unsigned long updated;
99 unsigned long used;
100 mac_addr addr;
101 unsigned char is_local:1,
102 is_static:1,
103 added_by_user:1,
104 added_by_external_learn:1;
105 __u16 vlan_id;
108 struct net_bridge_port_group {
109 struct net_bridge_port *port;
110 struct net_bridge_port_group __rcu *next;
111 struct hlist_node mglist;
112 struct rcu_head rcu;
113 struct timer_list timer;
114 struct br_ip addr;
115 unsigned char state;
118 struct net_bridge_mdb_entry
120 struct hlist_node hlist[2];
121 struct net_bridge *br;
122 struct net_bridge_port_group __rcu *ports;
123 struct rcu_head rcu;
124 struct timer_list timer;
125 struct br_ip addr;
126 bool mglist;
129 struct net_bridge_mdb_htable
131 struct hlist_head *mhash;
132 struct rcu_head rcu;
133 struct net_bridge_mdb_htable *old;
134 u32 size;
135 u32 max;
136 u32 secret;
137 u32 ver;
140 struct net_bridge_port
142 struct net_bridge *br;
143 struct net_device *dev;
144 struct list_head list;
146 /* STP */
147 u8 priority;
148 u8 state;
149 u16 port_no;
150 unsigned char topology_change_ack;
151 unsigned char config_pending;
152 port_id port_id;
153 port_id designated_port;
154 bridge_id designated_root;
155 bridge_id designated_bridge;
156 u32 path_cost;
157 u32 designated_cost;
158 unsigned long designated_age;
160 struct timer_list forward_delay_timer;
161 struct timer_list hold_timer;
162 struct timer_list message_age_timer;
163 struct kobject kobj;
164 struct rcu_head rcu;
166 unsigned long flags;
168 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
169 struct bridge_mcast_own_query ip4_own_query;
170 #if IS_ENABLED(CONFIG_IPV6)
171 struct bridge_mcast_own_query ip6_own_query;
172 #endif /* IS_ENABLED(CONFIG_IPV6) */
173 unsigned char multicast_router;
174 struct timer_list multicast_router_timer;
175 struct hlist_head mglist;
176 struct hlist_node rlist;
177 #endif
179 #ifdef CONFIG_SYSFS
180 char sysfs_name[IFNAMSIZ];
181 #endif
183 #ifdef CONFIG_NET_POLL_CONTROLLER
184 struct netpoll *np;
185 #endif
186 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
187 struct net_port_vlans __rcu *vlan_info;
188 #endif
191 #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK)
192 #define br_promisc_port(p) ((p)->flags & BR_PROMISC)
194 #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT)
196 static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev)
198 return rcu_dereference(dev->rx_handler_data);
201 static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev)
203 return br_port_exists(dev) ?
204 rtnl_dereference(dev->rx_handler_data) : NULL;
207 struct net_bridge
209 spinlock_t lock;
210 struct list_head port_list;
211 struct net_device *dev;
213 struct pcpu_sw_netstats __percpu *stats;
214 spinlock_t hash_lock;
215 struct hlist_head hash[BR_HASH_SIZE];
216 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
217 struct rtable fake_rtable;
218 bool nf_call_iptables;
219 bool nf_call_ip6tables;
220 bool nf_call_arptables;
221 #endif
222 u16 group_fwd_mask;
223 u16 group_fwd_mask_required;
225 /* STP */
226 bridge_id designated_root;
227 bridge_id bridge_id;
228 u32 root_path_cost;
229 unsigned long max_age;
230 unsigned long hello_time;
231 unsigned long forward_delay;
232 unsigned long bridge_max_age;
233 unsigned long ageing_time;
234 unsigned long bridge_hello_time;
235 unsigned long bridge_forward_delay;
237 u8 group_addr[ETH_ALEN];
238 bool group_addr_set;
239 u16 root_port;
241 enum {
242 BR_NO_STP, /* no spanning tree */
243 BR_KERNEL_STP, /* old STP in kernel */
244 BR_USER_STP, /* new RSTP in userspace */
245 } stp_enabled;
247 unsigned char topology_change;
248 unsigned char topology_change_detected;
250 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
251 unsigned char multicast_router;
253 u8 multicast_disabled:1;
254 u8 multicast_querier:1;
255 u8 multicast_query_use_ifaddr:1;
257 u32 hash_elasticity;
258 u32 hash_max;
260 u32 multicast_last_member_count;
261 u32 multicast_startup_query_count;
263 unsigned long multicast_last_member_interval;
264 unsigned long multicast_membership_interval;
265 unsigned long multicast_querier_interval;
266 unsigned long multicast_query_interval;
267 unsigned long multicast_query_response_interval;
268 unsigned long multicast_startup_query_interval;
270 spinlock_t multicast_lock;
271 struct net_bridge_mdb_htable __rcu *mdb;
272 struct hlist_head router_list;
274 struct timer_list multicast_router_timer;
275 struct bridge_mcast_other_query ip4_other_query;
276 struct bridge_mcast_own_query ip4_own_query;
277 struct bridge_mcast_querier ip4_querier;
278 #if IS_ENABLED(CONFIG_IPV6)
279 struct bridge_mcast_other_query ip6_other_query;
280 struct bridge_mcast_own_query ip6_own_query;
281 struct bridge_mcast_querier ip6_querier;
282 #endif /* IS_ENABLED(CONFIG_IPV6) */
283 #endif
285 struct timer_list hello_timer;
286 struct timer_list tcn_timer;
287 struct timer_list topology_change_timer;
288 struct timer_list gc_timer;
289 struct kobject *ifobj;
290 u32 auto_cnt;
291 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
292 u8 vlan_enabled;
293 __be16 vlan_proto;
294 u16 default_pvid;
295 struct net_port_vlans __rcu *vlan_info;
296 #endif
299 struct br_input_skb_cb {
300 struct net_device *brdev;
302 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
303 int igmp;
304 int mrouters_only;
305 #endif
307 u16 frag_max_size;
309 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
310 bool vlan_filtered;
311 #endif
314 #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb)
316 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
317 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only)
318 #else
319 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0)
320 #endif
322 #define br_printk(level, br, format, args...) \
323 printk(level "%s: " format, (br)->dev->name, ##args)
325 #define br_err(__br, format, args...) \
326 br_printk(KERN_ERR, __br, format, ##args)
327 #define br_warn(__br, format, args...) \
328 br_printk(KERN_WARNING, __br, format, ##args)
329 #define br_notice(__br, format, args...) \
330 br_printk(KERN_NOTICE, __br, format, ##args)
331 #define br_info(__br, format, args...) \
332 br_printk(KERN_INFO, __br, format, ##args)
334 #define br_debug(br, format, args...) \
335 pr_debug("%s: " format, (br)->dev->name, ##args)
337 /* called under bridge lock */
338 static inline int br_is_root_bridge(const struct net_bridge *br)
340 return !memcmp(&br->bridge_id, &br->designated_root, 8);
343 /* br_device.c */
344 void br_dev_setup(struct net_device *dev);
345 void br_dev_delete(struct net_device *dev, struct list_head *list);
346 netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev);
347 #ifdef CONFIG_NET_POLL_CONTROLLER
348 static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
349 struct sk_buff *skb)
351 struct netpoll *np = p->np;
353 if (np)
354 netpoll_send_skb(np, skb);
357 int br_netpoll_enable(struct net_bridge_port *p);
358 void br_netpoll_disable(struct net_bridge_port *p);
359 #else
360 static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
361 struct sk_buff *skb)
365 static inline int br_netpoll_enable(struct net_bridge_port *p)
367 return 0;
370 static inline void br_netpoll_disable(struct net_bridge_port *p)
373 #endif
375 /* br_fdb.c */
376 int br_fdb_init(void);
377 void br_fdb_fini(void);
378 void br_fdb_flush(struct net_bridge *br);
379 void br_fdb_find_delete_local(struct net_bridge *br,
380 const struct net_bridge_port *p,
381 const unsigned char *addr, u16 vid);
382 void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr);
383 void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr);
384 void br_fdb_cleanup(unsigned long arg);
385 void br_fdb_delete_by_port(struct net_bridge *br,
386 const struct net_bridge_port *p, int do_all);
387 struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
388 const unsigned char *addr, __u16 vid);
389 int br_fdb_test_addr(struct net_device *dev, unsigned char *addr);
390 int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count,
391 unsigned long off);
392 int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
393 const unsigned char *addr, u16 vid);
394 void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
395 const unsigned char *addr, u16 vid, bool added_by_user);
397 int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
398 struct net_device *dev, const unsigned char *addr, u16 vid);
399 int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,
400 const unsigned char *addr, u16 vid, u16 nlh_flags);
401 int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
402 struct net_device *dev, struct net_device *fdev, int idx);
403 int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p);
404 void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p);
405 int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
406 const unsigned char *addr, u16 vid);
407 int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
408 const unsigned char *addr, u16 vid);
410 /* br_forward.c */
411 void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb);
412 int br_dev_queue_push_xmit(struct sk_buff *skb);
413 void br_forward(const struct net_bridge_port *to,
414 struct sk_buff *skb, struct sk_buff *skb0);
415 int br_forward_finish(struct sk_buff *skb);
416 void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast);
417 void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
418 struct sk_buff *skb2, bool unicast);
420 /* br_if.c */
421 void br_port_carrier_check(struct net_bridge_port *p);
422 int br_add_bridge(struct net *net, const char *name);
423 int br_del_bridge(struct net *net, const char *name);
424 int br_add_if(struct net_bridge *br, struct net_device *dev);
425 int br_del_if(struct net_bridge *br, struct net_device *dev);
426 int br_min_mtu(const struct net_bridge *br);
427 netdev_features_t br_features_recompute(struct net_bridge *br,
428 netdev_features_t features);
429 void br_port_flags_change(struct net_bridge_port *port, unsigned long mask);
430 void br_manage_promisc(struct net_bridge *br);
432 /* br_input.c */
433 int br_handle_frame_finish(struct sk_buff *skb);
434 rx_handler_result_t br_handle_frame(struct sk_buff **pskb);
436 static inline bool br_rx_handler_check_rcu(const struct net_device *dev)
438 return rcu_dereference(dev->rx_handler) == br_handle_frame;
441 static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev)
443 return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL;
446 /* br_ioctl.c */
447 int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
448 int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd,
449 void __user *arg);
451 /* br_multicast.c */
452 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
453 extern unsigned int br_mdb_rehash_seq;
454 int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
455 struct sk_buff *skb, u16 vid);
456 struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
457 struct sk_buff *skb, u16 vid);
458 void br_multicast_add_port(struct net_bridge_port *port);
459 void br_multicast_del_port(struct net_bridge_port *port);
460 void br_multicast_enable_port(struct net_bridge_port *port);
461 void br_multicast_disable_port(struct net_bridge_port *port);
462 void br_multicast_init(struct net_bridge *br);
463 void br_multicast_open(struct net_bridge *br);
464 void br_multicast_stop(struct net_bridge *br);
465 void br_multicast_deliver(struct net_bridge_mdb_entry *mdst,
466 struct sk_buff *skb);
467 void br_multicast_forward(struct net_bridge_mdb_entry *mdst,
468 struct sk_buff *skb, struct sk_buff *skb2);
469 int br_multicast_set_router(struct net_bridge *br, unsigned long val);
470 int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val);
471 int br_multicast_toggle(struct net_bridge *br, unsigned long val);
472 int br_multicast_set_querier(struct net_bridge *br, unsigned long val);
473 int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val);
474 struct net_bridge_mdb_entry *
475 br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst);
476 struct net_bridge_mdb_entry *
477 br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port,
478 struct br_ip *group);
479 void br_multicast_free_pg(struct rcu_head *head);
480 struct net_bridge_port_group *
481 br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
482 struct net_bridge_port_group __rcu *next,
483 unsigned char state);
484 void br_mdb_init(void);
485 void br_mdb_uninit(void);
486 void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
487 struct br_ip *group, int type);
489 #define mlock_dereference(X, br) \
490 rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
492 static inline bool br_multicast_is_router(struct net_bridge *br)
494 return br->multicast_router == 2 ||
495 (br->multicast_router == 1 &&
496 timer_pending(&br->multicast_router_timer));
499 static inline bool
500 __br_multicast_querier_exists(struct net_bridge *br,
501 struct bridge_mcast_other_query *querier)
503 return time_is_before_jiffies(querier->delay_time) &&
504 (br->multicast_querier || timer_pending(&querier->timer));
507 static inline bool br_multicast_querier_exists(struct net_bridge *br,
508 struct ethhdr *eth)
510 switch (eth->h_proto) {
511 case (htons(ETH_P_IP)):
512 return __br_multicast_querier_exists(br, &br->ip4_other_query);
513 #if IS_ENABLED(CONFIG_IPV6)
514 case (htons(ETH_P_IPV6)):
515 return __br_multicast_querier_exists(br, &br->ip6_other_query);
516 #endif
517 default:
518 return false;
521 #else
522 static inline int br_multicast_rcv(struct net_bridge *br,
523 struct net_bridge_port *port,
524 struct sk_buff *skb,
525 u16 vid)
527 return 0;
530 static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
531 struct sk_buff *skb, u16 vid)
533 return NULL;
536 static inline void br_multicast_add_port(struct net_bridge_port *port)
540 static inline void br_multicast_del_port(struct net_bridge_port *port)
544 static inline void br_multicast_enable_port(struct net_bridge_port *port)
548 static inline void br_multicast_disable_port(struct net_bridge_port *port)
552 static inline void br_multicast_init(struct net_bridge *br)
556 static inline void br_multicast_open(struct net_bridge *br)
560 static inline void br_multicast_stop(struct net_bridge *br)
564 static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst,
565 struct sk_buff *skb)
569 static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst,
570 struct sk_buff *skb,
571 struct sk_buff *skb2)
574 static inline bool br_multicast_is_router(struct net_bridge *br)
576 return 0;
578 static inline bool br_multicast_querier_exists(struct net_bridge *br,
579 struct ethhdr *eth)
581 return false;
583 static inline void br_mdb_init(void)
586 static inline void br_mdb_uninit(void)
589 #endif
591 /* br_vlan.c */
592 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
593 bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v,
594 struct sk_buff *skb, u16 *vid);
595 bool br_allowed_egress(struct net_bridge *br, const struct net_port_vlans *v,
596 const struct sk_buff *skb);
597 bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid);
598 struct sk_buff *br_handle_vlan(struct net_bridge *br,
599 const struct net_port_vlans *v,
600 struct sk_buff *skb);
601 int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags);
602 int br_vlan_delete(struct net_bridge *br, u16 vid);
603 void br_vlan_flush(struct net_bridge *br);
604 bool br_vlan_find(struct net_bridge *br, u16 vid);
605 void br_recalculate_fwd_mask(struct net_bridge *br);
606 int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val);
607 int br_vlan_set_proto(struct net_bridge *br, unsigned long val);
608 int br_vlan_init(struct net_bridge *br);
609 int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val);
610 int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags);
611 int nbp_vlan_delete(struct net_bridge_port *port, u16 vid);
612 void nbp_vlan_flush(struct net_bridge_port *port);
613 bool nbp_vlan_find(struct net_bridge_port *port, u16 vid);
614 int nbp_vlan_init(struct net_bridge_port *port);
616 static inline struct net_port_vlans *br_get_vlan_info(
617 const struct net_bridge *br)
619 return rcu_dereference_rtnl(br->vlan_info);
622 static inline struct net_port_vlans *nbp_get_vlan_info(
623 const struct net_bridge_port *p)
625 return rcu_dereference_rtnl(p->vlan_info);
628 /* Since bridge now depends on 8021Q module, but the time bridge sees the
629 * skb, the vlan tag will always be present if the frame was tagged.
631 static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid)
633 int err = 0;
635 if (skb_vlan_tag_present(skb))
636 *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK;
637 else {
638 *vid = 0;
639 err = -EINVAL;
642 return err;
645 static inline u16 br_get_pvid(const struct net_port_vlans *v)
647 if (!v)
648 return 0;
650 smp_rmb();
651 return v->pvid;
654 static inline int br_vlan_enabled(struct net_bridge *br)
656 return br->vlan_enabled;
658 #else
659 static inline bool br_allowed_ingress(struct net_bridge *br,
660 struct net_port_vlans *v,
661 struct sk_buff *skb,
662 u16 *vid)
664 return true;
667 static inline bool br_allowed_egress(struct net_bridge *br,
668 const struct net_port_vlans *v,
669 const struct sk_buff *skb)
671 return true;
674 static inline bool br_should_learn(struct net_bridge_port *p,
675 struct sk_buff *skb, u16 *vid)
677 return true;
680 static inline struct sk_buff *br_handle_vlan(struct net_bridge *br,
681 const struct net_port_vlans *v,
682 struct sk_buff *skb)
684 return skb;
687 static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags)
689 return -EOPNOTSUPP;
692 static inline int br_vlan_delete(struct net_bridge *br, u16 vid)
694 return -EOPNOTSUPP;
697 static inline void br_vlan_flush(struct net_bridge *br)
701 static inline bool br_vlan_find(struct net_bridge *br, u16 vid)
703 return false;
706 static inline void br_recalculate_fwd_mask(struct net_bridge *br)
710 static inline int br_vlan_init(struct net_bridge *br)
712 return 0;
715 static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags)
717 return -EOPNOTSUPP;
720 static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid)
722 return -EOPNOTSUPP;
725 static inline void nbp_vlan_flush(struct net_bridge_port *port)
729 static inline struct net_port_vlans *br_get_vlan_info(
730 const struct net_bridge *br)
732 return NULL;
734 static inline struct net_port_vlans *nbp_get_vlan_info(
735 const struct net_bridge_port *p)
737 return NULL;
740 static inline bool nbp_vlan_find(struct net_bridge_port *port, u16 vid)
742 return false;
745 static inline int nbp_vlan_init(struct net_bridge_port *port)
747 return 0;
750 static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag)
752 return 0;
754 static inline u16 br_get_pvid(const struct net_port_vlans *v)
756 return 0;
759 static inline int br_vlan_enabled(struct net_bridge *br)
761 return 0;
763 #endif
765 /* br_netfilter.c */
766 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
767 int br_nf_core_init(void);
768 void br_nf_core_fini(void);
769 void br_netfilter_rtable_init(struct net_bridge *);
770 #else
771 static inline int br_nf_core_init(void) { return 0; }
772 static inline void br_nf_core_fini(void) {}
773 #define br_netfilter_rtable_init(x)
774 #endif
776 /* br_stp.c */
777 void br_log_state(const struct net_bridge_port *p);
778 void br_set_state(struct net_bridge_port *p, unsigned int state);
779 struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no);
780 void br_init_port(struct net_bridge_port *p);
781 void br_become_designated_port(struct net_bridge_port *p);
783 void __br_set_forward_delay(struct net_bridge *br, unsigned long t);
784 int br_set_forward_delay(struct net_bridge *br, unsigned long x);
785 int br_set_hello_time(struct net_bridge *br, unsigned long x);
786 int br_set_max_age(struct net_bridge *br, unsigned long x);
789 /* br_stp_if.c */
790 void br_stp_enable_bridge(struct net_bridge *br);
791 void br_stp_disable_bridge(struct net_bridge *br);
792 void br_stp_set_enabled(struct net_bridge *br, unsigned long val);
793 void br_stp_enable_port(struct net_bridge_port *p);
794 void br_stp_disable_port(struct net_bridge_port *p);
795 bool br_stp_recalculate_bridge_id(struct net_bridge *br);
796 void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a);
797 void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio);
798 int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio);
799 int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost);
800 ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id);
802 /* br_stp_bpdu.c */
803 struct stp_proto;
804 void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
805 struct net_device *dev);
807 /* br_stp_timer.c */
808 void br_stp_timer_init(struct net_bridge *br);
809 void br_stp_port_timer_init(struct net_bridge_port *p);
810 unsigned long br_timer_value(const struct timer_list *timer);
812 /* br.c */
813 #if IS_ENABLED(CONFIG_ATM_LANE)
814 extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr);
815 #endif
817 /* br_netlink.c */
818 extern struct rtnl_link_ops br_link_ops;
819 int br_netlink_init(void);
820 void br_netlink_fini(void);
821 void br_ifinfo_notify(int event, struct net_bridge_port *port);
822 int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
823 int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
824 int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev,
825 u32 filter_mask);
827 #ifdef CONFIG_SYSFS
828 /* br_sysfs_if.c */
829 extern const struct sysfs_ops brport_sysfs_ops;
830 int br_sysfs_addif(struct net_bridge_port *p);
831 int br_sysfs_renameif(struct net_bridge_port *p);
833 /* br_sysfs_br.c */
834 int br_sysfs_addbr(struct net_device *dev);
835 void br_sysfs_delbr(struct net_device *dev);
837 #else
839 static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; }
840 static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; }
841 static inline int br_sysfs_addbr(struct net_device *dev) { return 0; }
842 static inline void br_sysfs_delbr(struct net_device *dev) { return; }
843 #endif /* CONFIG_SYSFS */
845 #endif