Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Linux ethernet bridge | |
3 | * | |
4 | * Authors: | |
5 | * Lennert Buytenhek <buytenh@gnu.org> | |
6 | * | |
1da177e4 LT |
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. | |
11 | */ | |
12 | ||
13 | #ifndef _BR_PRIVATE_H | |
14 | #define _BR_PRIVATE_H | |
15 | ||
16 | #include <linux/netdevice.h> | |
1da177e4 | 17 | #include <linux/if_bridge.h> |
91d2c34a | 18 | #include <linux/netpoll.h> |
406818ff | 19 | #include <linux/u64_stats_sync.h> |
4adf0af6 | 20 | #include <net/route.h> |
efb6de9b | 21 | #include <net/ip6_fib.h> |
243a2e63 | 22 | #include <linux/if_vlan.h> |
2594e906 | 23 | #include <linux/rhashtable.h> |
1da177e4 LT |
24 | |
25 | #define BR_HASH_BITS 8 | |
26 | #define BR_HASH_SIZE (1 << BR_HASH_BITS) | |
27 | ||
28 | #define BR_HOLD_TIME (1*HZ) | |
29 | ||
30 | #define BR_PORT_BITS 10 | |
31 | #define BR_MAX_PORTS (1<<BR_PORT_BITS) | |
32 | ||
9cde0708 SH |
33 | #define BR_VERSION "2.3" |
34 | ||
515853cc | 35 | /* Control of forwarding link local multicast */ |
36 | #define BR_GROUPFWD_DEFAULT 0 | |
784b58a3 BT |
37 | /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ |
38 | #define BR_GROUPFWD_RESTRICTED 0x0007u | |
f2808d22 TM |
39 | /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ |
40 | #define BR_GROUPFWD_8021AD 0xB801u | |
515853cc | 41 | |
9cde0708 SH |
42 | /* Path to usermode spanning tree program */ |
43 | #define BR_STP_PROG "/sbin/bridge-stp" | |
8cbb512e | 44 | |
1da177e4 LT |
45 | typedef struct bridge_id bridge_id; |
46 | typedef struct mac_addr mac_addr; | |
47 | typedef __u16 port_id; | |
48 | ||
49 | struct bridge_id | |
50 | { | |
51 | unsigned char prio[2]; | |
e5a727f6 | 52 | unsigned char addr[ETH_ALEN]; |
1da177e4 LT |
53 | }; |
54 | ||
55 | struct mac_addr | |
56 | { | |
e5a727f6 | 57 | unsigned char addr[ETH_ALEN]; |
1da177e4 LT |
58 | }; |
59 | ||
cc0fdd80 LL |
60 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
61 | /* our own querier */ | |
90010b36 | 62 | struct bridge_mcast_own_query { |
cc0fdd80 LL |
63 | struct timer_list timer; |
64 | u32 startup_sent; | |
65 | }; | |
66 | ||
67 | /* other querier */ | |
90010b36 | 68 | struct bridge_mcast_other_query { |
cc0fdd80 LL |
69 | struct timer_list timer; |
70 | unsigned long delay_time; | |
71 | }; | |
dc4eb53a LL |
72 | |
73 | /* selected querier */ | |
74 | struct bridge_mcast_querier { | |
75 | struct br_ip addr; | |
2cd41431 | 76 | struct net_bridge_port __rcu *port; |
dc4eb53a | 77 | }; |
1080ab95 NA |
78 | |
79 | /* IGMP/MLD statistics */ | |
80 | struct bridge_mcast_stats { | |
81 | struct br_mcast_stats mstats; | |
82 | struct u64_stats_sync syncp; | |
83 | }; | |
cc0fdd80 LL |
84 | #endif |
85 | ||
6dada9b1 NA |
86 | struct br_vlan_stats { |
87 | u64 rx_bytes; | |
88 | u64 rx_packets; | |
89 | u64 tx_bytes; | |
90 | u64 tx_packets; | |
91 | struct u64_stats_sync syncp; | |
92 | }; | |
93 | ||
2594e906 NA |
94 | /** |
95 | * struct net_bridge_vlan - per-vlan entry | |
96 | * | |
97 | * @vnode: rhashtable member | |
98 | * @vid: VLAN id | |
99 | * @flags: bridge vlan flags | |
6dada9b1 | 100 | * @stats: per-cpu VLAN statistics |
2594e906 NA |
101 | * @br: if MASTER flag set, this points to a bridge struct |
102 | * @port: if MASTER flag unset, this points to a port struct | |
103 | * @refcnt: if MASTER flag set, this is bumped for each port referencing it | |
104 | * @brvlan: if MASTER flag unset, this points to the global per-VLAN context | |
105 | * for this VLAN entry | |
106 | * @vlist: sorted list of VLAN entries | |
107 | * @rcu: used for entry destruction | |
108 | * | |
109 | * This structure is shared between the global per-VLAN entries contained in | |
110 | * the bridge rhashtable and the local per-port per-VLAN entries contained in | |
111 | * the port's rhashtable. The union entries should be interpreted depending on | |
112 | * the entry flags that are set. | |
113 | */ | |
114 | struct net_bridge_vlan { | |
115 | struct rhash_head vnode; | |
116 | u16 vid; | |
117 | u16 flags; | |
6dada9b1 | 118 | struct br_vlan_stats __percpu *stats; |
243a2e63 | 119 | union { |
2594e906 NA |
120 | struct net_bridge *br; |
121 | struct net_bridge_port *port; | |
122 | }; | |
123 | union { | |
124 | atomic_t refcnt; | |
125 | struct net_bridge_vlan *brvlan; | |
126 | }; | |
127 | struct list_head vlist; | |
128 | ||
243a2e63 | 129 | struct rcu_head rcu; |
2594e906 NA |
130 | }; |
131 | ||
132 | /** | |
133 | * struct net_bridge_vlan_group | |
134 | * | |
135 | * @vlan_hash: VLAN entry rhashtable | |
136 | * @vlan_list: sorted VLAN entry list | |
137 | * @num_vlans: number of total VLAN entries | |
77751ee8 | 138 | * @pvid: PVID VLAN id |
2594e906 NA |
139 | * |
140 | * IMPORTANT: Be careful when checking if there're VLAN entries using list | |
141 | * primitives because the bridge can have entries in its list which | |
142 | * are just for global context but not for filtering, i.e. they have | |
143 | * the master flag set but not the brentry flag. If you have to check | |
144 | * if there're "real" entries in the bridge please test @num_vlans | |
145 | */ | |
146 | struct net_bridge_vlan_group { | |
147 | struct rhashtable vlan_hash; | |
148 | struct list_head vlan_list; | |
6cbdceeb | 149 | u16 num_vlans; |
77751ee8 | 150 | u16 pvid; |
243a2e63 VY |
151 | }; |
152 | ||
1da177e4 LT |
153 | struct net_bridge_fdb_entry |
154 | { | |
155 | struct hlist_node hlist; | |
156 | struct net_bridge_port *dst; | |
157 | ||
7cd8861a | 158 | unsigned long updated; |
159 | unsigned long used; | |
1da177e4 | 160 | mac_addr addr; |
b22fbf22 | 161 | __u16 vlan_id; |
93859b13 JP |
162 | unsigned char is_local:1, |
163 | is_static:1, | |
cf6b8e1e SF |
164 | added_by_user:1, |
165 | added_by_external_learn:1; | |
b22fbf22 | 166 | struct rcu_head rcu; |
1da177e4 LT |
167 | }; |
168 | ||
9d06b6d8 ER |
169 | #define MDB_PG_FLAGS_PERMANENT BIT(0) |
170 | #define MDB_PG_FLAGS_OFFLOAD BIT(1) | |
171 | ||
eb1d1641 HX |
172 | struct net_bridge_port_group { |
173 | struct net_bridge_port *port; | |
e8051688 | 174 | struct net_bridge_port_group __rcu *next; |
eb1d1641 HX |
175 | struct hlist_node mglist; |
176 | struct rcu_head rcu; | |
177 | struct timer_list timer; | |
8ef2a9a5 | 178 | struct br_ip addr; |
9d06b6d8 | 179 | unsigned char flags; |
eb1d1641 HX |
180 | }; |
181 | ||
182 | struct net_bridge_mdb_entry | |
183 | { | |
184 | struct hlist_node hlist[2]; | |
eb1d1641 | 185 | struct net_bridge *br; |
e8051688 | 186 | struct net_bridge_port_group __rcu *ports; |
eb1d1641 HX |
187 | struct rcu_head rcu; |
188 | struct timer_list timer; | |
8ef2a9a5 | 189 | struct br_ip addr; |
8a870178 | 190 | bool mglist; |
eb1d1641 HX |
191 | }; |
192 | ||
193 | struct net_bridge_mdb_htable | |
194 | { | |
195 | struct hlist_head *mhash; | |
196 | struct rcu_head rcu; | |
197 | struct net_bridge_mdb_htable *old; | |
198 | u32 size; | |
199 | u32 max; | |
200 | u32 secret; | |
201 | u32 ver; | |
202 | }; | |
203 | ||
1da177e4 LT |
204 | struct net_bridge_port |
205 | { | |
206 | struct net_bridge *br; | |
207 | struct net_device *dev; | |
208 | struct list_head list; | |
209 | ||
210 | /* STP */ | |
211 | u8 priority; | |
212 | u8 state; | |
213 | u16 port_no; | |
214 | unsigned char topology_change_ack; | |
215 | unsigned char config_pending; | |
216 | port_id port_id; | |
217 | port_id designated_port; | |
218 | bridge_id designated_root; | |
219 | bridge_id designated_bridge; | |
220 | u32 path_cost; | |
221 | u32 designated_cost; | |
0c03150e | 222 | unsigned long designated_age; |
1da177e4 LT |
223 | |
224 | struct timer_list forward_delay_timer; | |
225 | struct timer_list hold_timer; | |
226 | struct timer_list message_age_timer; | |
227 | struct kobject kobj; | |
228 | struct rcu_head rcu; | |
3982d3d2 FA |
229 | |
230 | unsigned long flags; | |
eb1d1641 HX |
231 | |
232 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
90010b36 | 233 | struct bridge_mcast_own_query ip4_own_query; |
cc0fdd80 | 234 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 | 235 | struct bridge_mcast_own_query ip6_own_query; |
cc0fdd80 | 236 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 | 237 | unsigned char multicast_router; |
1080ab95 | 238 | struct bridge_mcast_stats __percpu *mcast_stats; |
eb1d1641 | 239 | struct timer_list multicast_router_timer; |
eb1d1641 HX |
240 | struct hlist_head mglist; |
241 | struct hlist_node rlist; | |
242 | #endif | |
e0f43752 SA |
243 | |
244 | #ifdef CONFIG_SYSFS | |
245 | char sysfs_name[IFNAMSIZ]; | |
246 | #endif | |
91d2c34a HX |
247 | |
248 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
249 | struct netpoll *np; | |
250 | #endif | |
243a2e63 | 251 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 252 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 253 | #endif |
1da177e4 LT |
254 | }; |
255 | ||
e028e4b8 | 256 | #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) |
f3a6ddf1 | 257 | #define br_promisc_port(p) ((p)->flags & BR_PROMISC) |
e028e4b8 | 258 | |
f350a0a8 JP |
259 | #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) |
260 | ||
b5ed54e9 | 261 | static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) |
262 | { | |
716ec052 | 263 | return rcu_dereference(dev->rx_handler_data); |
b5ed54e9 | 264 | } |
265 | ||
1fb1754a | 266 | static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) |
b5ed54e9 | 267 | { |
ec1e5610 ED |
268 | return br_port_exists(dev) ? |
269 | rtnl_dereference(dev->rx_handler_data) : NULL; | |
b5ed54e9 | 270 | } |
271 | ||
1da177e4 LT |
272 | struct net_bridge |
273 | { | |
274 | spinlock_t lock; | |
275 | struct list_head port_list; | |
276 | struct net_device *dev; | |
14bb4789 | 277 | |
8f84985f | 278 | struct pcpu_sw_netstats __percpu *stats; |
1da177e4 LT |
279 | spinlock_t hash_lock; |
280 | struct hlist_head hash[BR_HASH_SIZE]; | |
34666d46 | 281 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
efb6de9b BT |
282 | union { |
283 | struct rtable fake_rtable; | |
284 | struct rt6_info fake_rt6_info; | |
285 | }; | |
4df53d8b PM |
286 | bool nf_call_iptables; |
287 | bool nf_call_ip6tables; | |
288 | bool nf_call_arptables; | |
4adf0af6 | 289 | #endif |
515853cc | 290 | u16 group_fwd_mask; |
f2808d22 | 291 | u16 group_fwd_mask_required; |
515853cc | 292 | |
1da177e4 LT |
293 | /* STP */ |
294 | bridge_id designated_root; | |
295 | bridge_id bridge_id; | |
296 | u32 root_path_cost; | |
297 | unsigned long max_age; | |
298 | unsigned long hello_time; | |
299 | unsigned long forward_delay; | |
300 | unsigned long bridge_max_age; | |
301 | unsigned long ageing_time; | |
302 | unsigned long bridge_hello_time; | |
303 | unsigned long bridge_forward_delay; | |
304 | ||
fda93d92 | 305 | u8 group_addr[ETH_ALEN]; |
204177f3 | 306 | bool group_addr_set; |
1da177e4 | 307 | u16 root_port; |
9cde0708 SH |
308 | |
309 | enum { | |
310 | BR_NO_STP, /* no spanning tree */ | |
311 | BR_KERNEL_STP, /* old STP in kernel */ | |
312 | BR_USER_STP, /* new RSTP in userspace */ | |
313 | } stp_enabled; | |
314 | ||
1da177e4 LT |
315 | unsigned char topology_change; |
316 | unsigned char topology_change_detected; | |
317 | ||
eb1d1641 HX |
318 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
319 | unsigned char multicast_router; | |
320 | ||
321 | u8 multicast_disabled:1; | |
c5c23260 | 322 | u8 multicast_querier:1; |
1c8ad5bf | 323 | u8 multicast_query_use_ifaddr:1; |
0888d5f3 | 324 | u8 has_ipv6_addr:1; |
1080ab95 | 325 | u8 multicast_stats_enabled:1; |
eb1d1641 HX |
326 | |
327 | u32 hash_elasticity; | |
328 | u32 hash_max; | |
329 | ||
330 | u32 multicast_last_member_count; | |
eb1d1641 HX |
331 | u32 multicast_startup_query_count; |
332 | ||
333 | unsigned long multicast_last_member_interval; | |
334 | unsigned long multicast_membership_interval; | |
335 | unsigned long multicast_querier_interval; | |
336 | unsigned long multicast_query_interval; | |
337 | unsigned long multicast_query_response_interval; | |
338 | unsigned long multicast_startup_query_interval; | |
339 | ||
340 | spinlock_t multicast_lock; | |
e8051688 | 341 | struct net_bridge_mdb_htable __rcu *mdb; |
eb1d1641 | 342 | struct hlist_head router_list; |
eb1d1641 HX |
343 | |
344 | struct timer_list multicast_router_timer; | |
90010b36 LL |
345 | struct bridge_mcast_other_query ip4_other_query; |
346 | struct bridge_mcast_own_query ip4_own_query; | |
dc4eb53a | 347 | struct bridge_mcast_querier ip4_querier; |
1080ab95 | 348 | struct bridge_mcast_stats __percpu *mcast_stats; |
cc0fdd80 | 349 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 LL |
350 | struct bridge_mcast_other_query ip6_other_query; |
351 | struct bridge_mcast_own_query ip6_own_query; | |
dc4eb53a | 352 | struct bridge_mcast_querier ip6_querier; |
cc0fdd80 | 353 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 HX |
354 | #endif |
355 | ||
1da177e4 LT |
356 | struct timer_list hello_timer; |
357 | struct timer_list tcn_timer; | |
358 | struct timer_list topology_change_timer; | |
359 | struct timer_list gc_timer; | |
43b98c4a | 360 | struct kobject *ifobj; |
e028e4b8 | 361 | u32 auto_cnt; |
243a2e63 | 362 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 363 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 364 | u8 vlan_enabled; |
6dada9b1 | 365 | u8 vlan_stats_enabled; |
8580e211 | 366 | __be16 vlan_proto; |
96a20d9d | 367 | u16 default_pvid; |
243a2e63 | 368 | #endif |
1da177e4 LT |
369 | }; |
370 | ||
68b7c895 HX |
371 | struct br_input_skb_cb { |
372 | struct net_device *brdev; | |
93fdd47e | 373 | |
32dec5dd | 374 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
375 | int igmp; |
376 | int mrouters_only; | |
32dec5dd | 377 | #endif |
93fdd47e | 378 | |
842a9ae0 | 379 | bool proxyarp_replied; |
93fdd47e | 380 | |
20adfa1a VY |
381 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
382 | bool vlan_filtered; | |
383 | #endif | |
68b7c895 HX |
384 | }; |
385 | ||
386 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
387 | ||
32dec5dd YH |
388 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
389 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
390 | #else | |
391 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
392 | #endif | |
393 | ||
28a16c97 | 394 | #define br_printk(level, br, format, args...) \ |
395 | printk(level "%s: " format, (br)->dev->name, ##args) | |
396 | ||
397 | #define br_err(__br, format, args...) \ | |
398 | br_printk(KERN_ERR, __br, format, ##args) | |
399 | #define br_warn(__br, format, args...) \ | |
400 | br_printk(KERN_WARNING, __br, format, ##args) | |
401 | #define br_notice(__br, format, args...) \ | |
402 | br_printk(KERN_NOTICE, __br, format, ##args) | |
403 | #define br_info(__br, format, args...) \ | |
404 | br_printk(KERN_INFO, __br, format, ##args) | |
405 | ||
406 | #define br_debug(br, format, args...) \ | |
407 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
408 | ||
1da177e4 LT |
409 | /* called under bridge lock */ |
410 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
411 | { | |
412 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
413 | } | |
414 | ||
2594e906 NA |
415 | /* check if a VLAN entry is global */ |
416 | static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) | |
417 | { | |
418 | return v->flags & BRIDGE_VLAN_INFO_MASTER; | |
419 | } | |
420 | ||
421 | /* check if a VLAN entry is used by the bridge */ | |
422 | static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) | |
423 | { | |
424 | return v->flags & BRIDGE_VLAN_INFO_BRENTRY; | |
425 | } | |
426 | ||
6be144f6 | 427 | /* check if we should use the vlan entry, returns false if it's only context */ |
2594e906 NA |
428 | static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) |
429 | { | |
430 | if (br_vlan_is_master(v)) { | |
431 | if (br_vlan_is_brentry(v)) | |
432 | return true; | |
433 | else | |
434 | return false; | |
435 | } | |
436 | ||
437 | return true; | |
438 | } | |
439 | ||
1da177e4 | 440 | /* br_device.c */ |
348662a1 JP |
441 | void br_dev_setup(struct net_device *dev); |
442 | void br_dev_delete(struct net_device *dev, struct list_head *list); | |
443 | netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); | |
cfb478da | 444 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
445 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
446 | struct sk_buff *skb) | |
447 | { | |
448 | struct netpoll *np = p->np; | |
449 | ||
450 | if (np) | |
451 | netpoll_send_skb(np, skb); | |
452 | } | |
453 | ||
a8779ec1 | 454 | int br_netpoll_enable(struct net_bridge_port *p); |
348662a1 | 455 | void br_netpoll_disable(struct net_bridge_port *p); |
cfb478da | 456 | #else |
9f70b0fc | 457 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
91d2c34a HX |
458 | struct sk_buff *skb) |
459 | { | |
460 | } | |
cfb478da | 461 | |
a8779ec1 | 462 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
91d2c34a HX |
463 | { |
464 | return 0; | |
465 | } | |
466 | ||
467 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
468 | { | |
469 | } | |
cfb478da | 470 | #endif |
1da177e4 LT |
471 | |
472 | /* br_fdb.c */ | |
348662a1 JP |
473 | int br_fdb_init(void); |
474 | void br_fdb_fini(void); | |
475 | void br_fdb_flush(struct net_bridge *br); | |
424bb9c9 TM |
476 | void br_fdb_find_delete_local(struct net_bridge *br, |
477 | const struct net_bridge_port *p, | |
478 | const unsigned char *addr, u16 vid); | |
348662a1 JP |
479 | void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); |
480 | void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); | |
481 | void br_fdb_cleanup(unsigned long arg); | |
482 | void br_fdb_delete_by_port(struct net_bridge *br, | |
1ea2d020 | 483 | const struct net_bridge_port *p, u16 vid, int do_all); |
348662a1 JP |
484 | struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
485 | const unsigned char *addr, __u16 vid); | |
486 | int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); | |
487 | int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, | |
488 | unsigned long off); | |
489 | int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, | |
490 | const unsigned char *addr, u16 vid); | |
491 | void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, | |
a5642ab4 | 492 | const unsigned char *addr, u16 vid, bool added_by_user); |
348662a1 JP |
493 | |
494 | int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], | |
f6f6424b | 495 | struct net_device *dev, const unsigned char *addr, u16 vid); |
348662a1 | 496 | int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, |
f6f6424b | 497 | const unsigned char *addr, u16 vid, u16 nlh_flags); |
348662a1 | 498 | int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
5d5eacb3 | 499 | struct net_device *dev, struct net_device *fdev, int idx); |
8db24af7 VY |
500 | int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); |
501 | void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); | |
3aeb6617 JP |
502 | int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, |
503 | const unsigned char *addr, u16 vid); | |
504 | int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, | |
505 | const unsigned char *addr, u16 vid); | |
1da177e4 LT |
506 | |
507 | /* br_forward.c */ | |
348662a1 | 508 | void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb); |
0c4b51f0 | 509 | int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 510 | void br_forward(const struct net_bridge_port *to, |
7f7708f0 | 511 | struct sk_buff *skb, struct sk_buff *skb0); |
0c4b51f0 | 512 | int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 JP |
513 | void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast); |
514 | void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, | |
515 | struct sk_buff *skb2, bool unicast); | |
1da177e4 LT |
516 | |
517 | /* br_if.c */ | |
348662a1 JP |
518 | void br_port_carrier_check(struct net_bridge_port *p); |
519 | int br_add_bridge(struct net *net, const char *name); | |
520 | int br_del_bridge(struct net *net, const char *name); | |
348662a1 JP |
521 | int br_add_if(struct net_bridge *br, struct net_device *dev); |
522 | int br_del_if(struct net_bridge *br, struct net_device *dev); | |
523 | int br_min_mtu(const struct net_bridge *br); | |
524 | netdev_features_t br_features_recompute(struct net_bridge *br, | |
525 | netdev_features_t features); | |
e028e4b8 | 526 | void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); |
2796d0c6 | 527 | void br_manage_promisc(struct net_bridge *br); |
1da177e4 LT |
528 | |
529 | /* br_input.c */ | |
0c4b51f0 | 530 | int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 531 | rx_handler_result_t br_handle_frame(struct sk_buff **pskb); |
1da177e4 | 532 | |
859828c0 JP |
533 | static inline bool br_rx_handler_check_rcu(const struct net_device *dev) |
534 | { | |
535 | return rcu_dereference(dev->rx_handler) == br_handle_frame; | |
536 | } | |
537 | ||
538 | static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) | |
539 | { | |
540 | return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; | |
541 | } | |
542 | ||
1da177e4 | 543 | /* br_ioctl.c */ |
348662a1 JP |
544 | int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
545 | int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, | |
546 | void __user *arg); | |
1da177e4 | 547 | |
eb1d1641 HX |
548 | /* br_multicast.c */ |
549 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
2ce297fc | 550 | extern unsigned int br_mdb_rehash_seq; |
348662a1 | 551 | int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, |
394efd19 | 552 | struct sk_buff *skb, u16 vid); |
348662a1 JP |
553 | struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, |
554 | struct sk_buff *skb, u16 vid); | |
1080ab95 | 555 | int br_multicast_add_port(struct net_bridge_port *port); |
348662a1 JP |
556 | void br_multicast_del_port(struct net_bridge_port *port); |
557 | void br_multicast_enable_port(struct net_bridge_port *port); | |
558 | void br_multicast_disable_port(struct net_bridge_port *port); | |
559 | void br_multicast_init(struct net_bridge *br); | |
560 | void br_multicast_open(struct net_bridge *br); | |
561 | void br_multicast_stop(struct net_bridge *br); | |
e10177ab | 562 | void br_multicast_dev_del(struct net_bridge *br); |
348662a1 JP |
563 | void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
564 | struct sk_buff *skb); | |
565 | void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
566 | struct sk_buff *skb, struct sk_buff *skb2); | |
567 | int br_multicast_set_router(struct net_bridge *br, unsigned long val); | |
568 | int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); | |
569 | int br_multicast_toggle(struct net_bridge *br, unsigned long val); | |
570 | int br_multicast_set_querier(struct net_bridge *br, unsigned long val); | |
571 | int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); | |
572 | struct net_bridge_mdb_entry * | |
573 | br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); | |
574 | struct net_bridge_mdb_entry * | |
575 | br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, | |
576 | struct br_ip *group); | |
577 | void br_multicast_free_pg(struct rcu_head *head); | |
578 | struct net_bridge_port_group * | |
579 | br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, | |
580 | struct net_bridge_port_group __rcu *next, | |
9d06b6d8 | 581 | unsigned char flags); |
348662a1 JP |
582 | void br_mdb_init(void); |
583 | void br_mdb_uninit(void); | |
45ebcce5 ER |
584 | void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, |
585 | struct br_ip *group, int type, u8 flags); | |
949f1e39 SA |
586 | void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, |
587 | int type); | |
1080ab95 NA |
588 | void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, |
589 | __be16 proto, u8 type, u8 dir); | |
590 | int br_multicast_init_stats(struct net_bridge *br); | |
591 | void br_multicast_get_stats(const struct net_bridge *br, | |
592 | const struct net_bridge_port *p, | |
593 | struct br_mcast_stats *dest); | |
85b35269 | 594 | |
cfd56754 CW |
595 | #define mlock_dereference(X, br) \ |
596 | rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) | |
597 | ||
85b35269 SS |
598 | static inline bool br_multicast_is_router(struct net_bridge *br) |
599 | { | |
600 | return br->multicast_router == 2 || | |
601 | (br->multicast_router == 1 && | |
602 | timer_pending(&br->multicast_router_timer)); | |
603 | } | |
b00589af | 604 | |
cc0fdd80 LL |
605 | static inline bool |
606 | __br_multicast_querier_exists(struct net_bridge *br, | |
0888d5f3 | 607 | struct bridge_mcast_other_query *querier, |
608 | const bool is_ipv6) | |
b00589af | 609 | { |
0888d5f3 | 610 | bool own_querier_enabled; |
611 | ||
612 | if (br->multicast_querier) { | |
613 | if (is_ipv6 && !br->has_ipv6_addr) | |
614 | own_querier_enabled = false; | |
615 | else | |
616 | own_querier_enabled = true; | |
617 | } else { | |
618 | own_querier_enabled = false; | |
619 | } | |
620 | ||
cc0fdd80 | 621 | return time_is_before_jiffies(querier->delay_time) && |
0888d5f3 | 622 | (own_querier_enabled || timer_pending(&querier->timer)); |
cc0fdd80 LL |
623 | } |
624 | ||
625 | static inline bool br_multicast_querier_exists(struct net_bridge *br, | |
626 | struct ethhdr *eth) | |
627 | { | |
628 | switch (eth->h_proto) { | |
629 | case (htons(ETH_P_IP)): | |
0888d5f3 | 630 | return __br_multicast_querier_exists(br, |
631 | &br->ip4_other_query, false); | |
cc0fdd80 LL |
632 | #if IS_ENABLED(CONFIG_IPV6) |
633 | case (htons(ETH_P_IPV6)): | |
0888d5f3 | 634 | return __br_multicast_querier_exists(br, |
635 | &br->ip6_other_query, true); | |
cc0fdd80 LL |
636 | #endif |
637 | default: | |
638 | return false; | |
639 | } | |
b00589af | 640 | } |
1080ab95 NA |
641 | |
642 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
643 | { | |
644 | return BR_INPUT_SKB_CB(skb)->igmp; | |
645 | } | |
eb1d1641 HX |
646 | #else |
647 | static inline int br_multicast_rcv(struct net_bridge *br, | |
648 | struct net_bridge_port *port, | |
06499098 VY |
649 | struct sk_buff *skb, |
650 | u16 vid) | |
eb1d1641 HX |
651 | { |
652 | return 0; | |
653 | } | |
654 | ||
655 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
fbca58a2 | 656 | struct sk_buff *skb, u16 vid) |
eb1d1641 HX |
657 | { |
658 | return NULL; | |
659 | } | |
660 | ||
1080ab95 | 661 | static inline int br_multicast_add_port(struct net_bridge_port *port) |
eb1d1641 | 662 | { |
1080ab95 | 663 | return 0; |
eb1d1641 HX |
664 | } |
665 | ||
666 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
667 | { | |
668 | } | |
669 | ||
670 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
671 | { | |
672 | } | |
673 | ||
674 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
675 | { | |
676 | } | |
677 | ||
678 | static inline void br_multicast_init(struct net_bridge *br) | |
679 | { | |
680 | } | |
681 | ||
682 | static inline void br_multicast_open(struct net_bridge *br) | |
683 | { | |
684 | } | |
685 | ||
686 | static inline void br_multicast_stop(struct net_bridge *br) | |
687 | { | |
688 | } | |
5cb5e947 | 689 | |
a7ce45a7 NA |
690 | static inline void br_multicast_dev_del(struct net_bridge *br) |
691 | { | |
692 | } | |
693 | ||
5cb5e947 HX |
694 | static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
695 | struct sk_buff *skb) | |
696 | { | |
697 | } | |
698 | ||
699 | static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
700 | struct sk_buff *skb, | |
701 | struct sk_buff *skb2) | |
702 | { | |
703 | } | |
eb1d1641 HX |
704 | static inline bool br_multicast_is_router(struct net_bridge *br) |
705 | { | |
85b35269 | 706 | return 0; |
eb1d1641 | 707 | } |
cc0fdd80 LL |
708 | static inline bool br_multicast_querier_exists(struct net_bridge *br, |
709 | struct ethhdr *eth) | |
b00589af LL |
710 | { |
711 | return false; | |
712 | } | |
fdb184d1 RR |
713 | static inline void br_mdb_init(void) |
714 | { | |
715 | } | |
716 | static inline void br_mdb_uninit(void) | |
717 | { | |
718 | } | |
1080ab95 NA |
719 | |
720 | static inline void br_multicast_count(struct net_bridge *br, | |
721 | const struct net_bridge_port *p, | |
722 | __be16 proto, u8 type, u8 dir) | |
723 | { | |
724 | } | |
725 | ||
726 | static inline int br_multicast_init_stats(struct net_bridge *br) | |
727 | { | |
728 | return 0; | |
729 | } | |
730 | ||
731 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
732 | { | |
733 | return 0; | |
734 | } | |
85b35269 | 735 | #endif |
eb1d1641 | 736 | |
243a2e63 VY |
737 | /* br_vlan.c */ |
738 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
77751ee8 NA |
739 | bool br_allowed_ingress(const struct net_bridge *br, |
740 | struct net_bridge_vlan_group *vg, struct sk_buff *skb, | |
741 | u16 *vid); | |
742 | bool br_allowed_egress(struct net_bridge_vlan_group *vg, | |
348662a1 | 743 | const struct sk_buff *skb); |
e0d7968a | 744 | bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); |
348662a1 | 745 | struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 746 | struct net_bridge_vlan_group *vg, |
348662a1 JP |
747 | struct sk_buff *skb); |
748 | int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); | |
749 | int br_vlan_delete(struct net_bridge *br, u16 vid); | |
750 | void br_vlan_flush(struct net_bridge *br); | |
2594e906 | 751 | struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); |
204177f3 | 752 | void br_recalculate_fwd_mask(struct net_bridge *br); |
a7854037 | 753 | int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
348662a1 | 754 | int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
d2d427b3 | 755 | int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); |
204177f3 | 756 | int br_vlan_set_proto(struct net_bridge *br, unsigned long val); |
6dada9b1 | 757 | int br_vlan_set_stats(struct net_bridge *br, unsigned long val); |
5be5a2df | 758 | int br_vlan_init(struct net_bridge *br); |
96a20d9d | 759 | int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); |
0f963b75 | 760 | int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); |
348662a1 JP |
761 | int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); |
762 | int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); | |
763 | void nbp_vlan_flush(struct net_bridge_port *port); | |
5be5a2df | 764 | int nbp_vlan_init(struct net_bridge_port *port); |
2594e906 | 765 | int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); |
a60c0903 NA |
766 | void br_vlan_get_stats(const struct net_bridge_vlan *v, |
767 | struct br_vlan_stats *stats); | |
a37b85c9 | 768 | |
2594e906 NA |
769 | static inline struct net_bridge_vlan_group *br_vlan_group( |
770 | const struct net_bridge *br) | |
a37b85c9 | 771 | { |
907b1e6e | 772 | return rtnl_dereference(br->vlgrp); |
a37b85c9 VY |
773 | } |
774 | ||
2594e906 NA |
775 | static inline struct net_bridge_vlan_group *nbp_vlan_group( |
776 | const struct net_bridge_port *p) | |
a37b85c9 | 777 | { |
907b1e6e NA |
778 | return rtnl_dereference(p->vlgrp); |
779 | } | |
780 | ||
781 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
782 | const struct net_bridge *br) | |
783 | { | |
784 | return rcu_dereference(br->vlgrp); | |
785 | } | |
786 | ||
787 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
788 | const struct net_bridge_port *p) | |
789 | { | |
790 | return rcu_dereference(p->vlgrp); | |
a37b85c9 VY |
791 | } |
792 | ||
793 | /* Since bridge now depends on 8021Q module, but the time bridge sees the | |
794 | * skb, the vlan tag will always be present if the frame was tagged. | |
795 | */ | |
796 | static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) | |
797 | { | |
798 | int err = 0; | |
799 | ||
2594e906 | 800 | if (skb_vlan_tag_present(skb)) { |
df8a39de | 801 | *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; |
2594e906 | 802 | } else { |
a37b85c9 VY |
803 | *vid = 0; |
804 | err = -EINVAL; | |
805 | } | |
806 | ||
807 | return err; | |
808 | } | |
78851988 | 809 | |
77751ee8 | 810 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
2594e906 | 811 | { |
77751ee8 | 812 | if (!vg) |
2594e906 NA |
813 | return 0; |
814 | ||
815 | smp_rmb(); | |
77751ee8 | 816 | return vg->pvid; |
78851988 VY |
817 | } |
818 | ||
2796d0c6 VY |
819 | static inline int br_vlan_enabled(struct net_bridge *br) |
820 | { | |
821 | return br->vlan_enabled; | |
822 | } | |
243a2e63 | 823 | #else |
77751ee8 NA |
824 | static inline bool br_allowed_ingress(const struct net_bridge *br, |
825 | struct net_bridge_vlan_group *vg, | |
78851988 VY |
826 | struct sk_buff *skb, |
827 | u16 *vid) | |
a37b85c9 VY |
828 | { |
829 | return true; | |
830 | } | |
831 | ||
2594e906 | 832 | static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, |
85f46c6b VY |
833 | const struct sk_buff *skb) |
834 | { | |
835 | return true; | |
836 | } | |
837 | ||
e0d7968a TM |
838 | static inline bool br_should_learn(struct net_bridge_port *p, |
839 | struct sk_buff *skb, u16 *vid) | |
840 | { | |
841 | return true; | |
842 | } | |
843 | ||
78851988 | 844 | static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 845 | struct net_bridge_vlan_group *vg, |
78851988 VY |
846 | struct sk_buff *skb) |
847 | { | |
848 | return skb; | |
849 | } | |
850 | ||
552406c4 | 851 | static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) |
243a2e63 VY |
852 | { |
853 | return -EOPNOTSUPP; | |
854 | } | |
855 | ||
856 | static inline int br_vlan_delete(struct net_bridge *br, u16 vid) | |
857 | { | |
858 | return -EOPNOTSUPP; | |
859 | } | |
860 | ||
861 | static inline void br_vlan_flush(struct net_bridge *br) | |
862 | { | |
863 | } | |
864 | ||
204177f3 TM |
865 | static inline void br_recalculate_fwd_mask(struct net_bridge *br) |
866 | { | |
867 | } | |
868 | ||
5be5a2df | 869 | static inline int br_vlan_init(struct net_bridge *br) |
8580e211 | 870 | { |
5be5a2df | 871 | return 0; |
8580e211 TM |
872 | } |
873 | ||
552406c4 | 874 | static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) |
243a2e63 VY |
875 | { |
876 | return -EOPNOTSUPP; | |
877 | } | |
878 | ||
879 | static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) | |
880 | { | |
881 | return -EOPNOTSUPP; | |
882 | } | |
883 | ||
884 | static inline void nbp_vlan_flush(struct net_bridge_port *port) | |
885 | { | |
886 | } | |
887 | ||
2594e906 NA |
888 | static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, |
889 | u16 vid) | |
a37b85c9 VY |
890 | { |
891 | return NULL; | |
892 | } | |
893 | ||
2594e906 | 894 | static inline int nbp_vlan_init(struct net_bridge_port *port) |
bc9a25d2 | 895 | { |
2594e906 | 896 | return 0; |
bc9a25d2 VY |
897 | } |
898 | ||
2594e906 | 899 | static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) |
5be5a2df VY |
900 | { |
901 | return 0; | |
902 | } | |
903 | ||
77751ee8 | 904 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
78851988 | 905 | { |
3df6bf45 | 906 | return 0; |
78851988 | 907 | } |
2796d0c6 | 908 | |
d4f0e095 | 909 | static inline int br_vlan_enabled(struct net_bridge *br) |
2796d0c6 VY |
910 | { |
911 | return 0; | |
912 | } | |
a7854037 NA |
913 | |
914 | static inline int __br_vlan_filter_toggle(struct net_bridge *br, | |
915 | unsigned long val) | |
916 | { | |
917 | return -EOPNOTSUPP; | |
918 | } | |
2594e906 NA |
919 | |
920 | static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, | |
921 | u32 filter_mask) | |
922 | { | |
923 | return 0; | |
924 | } | |
925 | ||
926 | static inline struct net_bridge_vlan_group *br_vlan_group( | |
927 | const struct net_bridge *br) | |
928 | { | |
929 | return NULL; | |
930 | } | |
931 | ||
932 | static inline struct net_bridge_vlan_group *nbp_vlan_group( | |
933 | const struct net_bridge_port *p) | |
934 | { | |
935 | return NULL; | |
936 | } | |
907b1e6e NA |
937 | |
938 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
939 | const struct net_bridge *br) | |
940 | { | |
941 | return NULL; | |
942 | } | |
943 | ||
944 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
945 | const struct net_bridge_port *p) | |
946 | { | |
947 | return NULL; | |
948 | } | |
a60c0903 NA |
949 | |
950 | static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, | |
951 | struct br_vlan_stats *stats) | |
952 | { | |
953 | } | |
243a2e63 VY |
954 | #endif |
955 | ||
1a4ba64d PNA |
956 | struct nf_br_ops { |
957 | int (*br_dev_xmit_hook)(struct sk_buff *skb); | |
958 | }; | |
959 | extern const struct nf_br_ops __rcu *nf_br_ops; | |
960 | ||
1da177e4 | 961 | /* br_netfilter.c */ |
34666d46 PNA |
962 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
963 | int br_nf_core_init(void); | |
964 | void br_nf_core_fini(void); | |
348662a1 | 965 | void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 | 966 | #else |
34666d46 PNA |
967 | static inline int br_nf_core_init(void) { return 0; } |
968 | static inline void br_nf_core_fini(void) {} | |
4adf0af6 | 969 | #define br_netfilter_rtable_init(x) |
c0909713 | 970 | #endif |
1da177e4 LT |
971 | |
972 | /* br_stp.c */ | |
775dd692 | 973 | void br_set_state(struct net_bridge_port *p, unsigned int state); |
348662a1 JP |
974 | struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); |
975 | void br_init_port(struct net_bridge_port *p); | |
976 | void br_become_designated_port(struct net_bridge_port *p); | |
1da177e4 | 977 | |
348662a1 JP |
978 | void __br_set_forward_delay(struct net_bridge *br, unsigned long t); |
979 | int br_set_forward_delay(struct net_bridge *br, unsigned long x); | |
980 | int br_set_hello_time(struct net_bridge *br, unsigned long x); | |
981 | int br_set_max_age(struct net_bridge *br, unsigned long x); | |
c62987bb | 982 | int br_set_ageing_time(struct net_bridge *br, u32 ageing_time); |
14f98f25 | 983 | |
984 | ||
1da177e4 | 985 | /* br_stp_if.c */ |
348662a1 JP |
986 | void br_stp_enable_bridge(struct net_bridge *br); |
987 | void br_stp_disable_bridge(struct net_bridge *br); | |
988 | void br_stp_set_enabled(struct net_bridge *br, unsigned long val); | |
989 | void br_stp_enable_port(struct net_bridge_port *p); | |
990 | void br_stp_disable_port(struct net_bridge_port *p); | |
991 | bool br_stp_recalculate_bridge_id(struct net_bridge *br); | |
992 | void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); | |
993 | void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); | |
994 | int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); | |
995 | int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); | |
996 | ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
1da177e4 LT |
997 | |
998 | /* br_stp_bpdu.c */ | |
7c85fbf0 | 999 | struct stp_proto; |
348662a1 JP |
1000 | void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, |
1001 | struct net_device *dev); | |
1da177e4 LT |
1002 | |
1003 | /* br_stp_timer.c */ | |
348662a1 JP |
1004 | void br_stp_timer_init(struct net_bridge *br); |
1005 | void br_stp_port_timer_init(struct net_bridge_port *p); | |
1006 | unsigned long br_timer_value(const struct timer_list *timer); | |
1da177e4 LT |
1007 | |
1008 | /* br.c */ | |
e6373c4c | 1009 | #if IS_ENABLED(CONFIG_ATM_LANE) |
da678292 MM |
1010 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); |
1011 | #endif | |
1da177e4 | 1012 | |
11dc1f36 | 1013 | /* br_netlink.c */ |
149ddd83 | 1014 | extern struct rtnl_link_ops br_link_ops; |
348662a1 JP |
1015 | int br_netlink_init(void); |
1016 | void br_netlink_fini(void); | |
1017 | void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
add511b3 RP |
1018 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); |
1019 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); | |
348662a1 | 1020 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, |
46c264da | 1021 | u32 filter_mask, int nlflags); |
11dc1f36 | 1022 | |
1da177e4 LT |
1023 | #ifdef CONFIG_SYSFS |
1024 | /* br_sysfs_if.c */ | |
52cf25d0 | 1025 | extern const struct sysfs_ops brport_sysfs_ops; |
348662a1 JP |
1026 | int br_sysfs_addif(struct net_bridge_port *p); |
1027 | int br_sysfs_renameif(struct net_bridge_port *p); | |
1da177e4 LT |
1028 | |
1029 | /* br_sysfs_br.c */ | |
348662a1 JP |
1030 | int br_sysfs_addbr(struct net_device *dev); |
1031 | void br_sysfs_delbr(struct net_device *dev); | |
1da177e4 LT |
1032 | |
1033 | #else | |
1034 | ||
0cb2bbbe LJ |
1035 | static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } |
1036 | static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } | |
1037 | static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } | |
1038 | static inline void br_sysfs_delbr(struct net_device *dev) { return; } | |
1da177e4 LT |
1039 | #endif /* CONFIG_SYSFS */ |
1040 | ||
1041 | #endif |