Commit | Line | Data |
---|---|---|
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 |
6bc506b4 IS |
254 | #ifdef CONFIG_NET_SWITCHDEV |
255 | int offload_fwd_mark; | |
256 | #endif | |
1da177e4 LT |
257 | }; |
258 | ||
e028e4b8 | 259 | #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) |
f3a6ddf1 | 260 | #define br_promisc_port(p) ((p)->flags & BR_PROMISC) |
e028e4b8 | 261 | |
f350a0a8 JP |
262 | #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) |
263 | ||
b5ed54e9 | 264 | static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) |
265 | { | |
716ec052 | 266 | return rcu_dereference(dev->rx_handler_data); |
b5ed54e9 | 267 | } |
268 | ||
1fb1754a | 269 | static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) |
b5ed54e9 | 270 | { |
ec1e5610 ED |
271 | return br_port_exists(dev) ? |
272 | rtnl_dereference(dev->rx_handler_data) : NULL; | |
b5ed54e9 | 273 | } |
274 | ||
1da177e4 LT |
275 | struct net_bridge |
276 | { | |
277 | spinlock_t lock; | |
278 | struct list_head port_list; | |
279 | struct net_device *dev; | |
14bb4789 | 280 | |
8f84985f | 281 | struct pcpu_sw_netstats __percpu *stats; |
1da177e4 LT |
282 | spinlock_t hash_lock; |
283 | struct hlist_head hash[BR_HASH_SIZE]; | |
34666d46 | 284 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
efb6de9b BT |
285 | union { |
286 | struct rtable fake_rtable; | |
287 | struct rt6_info fake_rt6_info; | |
288 | }; | |
4df53d8b PM |
289 | bool nf_call_iptables; |
290 | bool nf_call_ip6tables; | |
291 | bool nf_call_arptables; | |
4adf0af6 | 292 | #endif |
515853cc | 293 | u16 group_fwd_mask; |
f2808d22 | 294 | u16 group_fwd_mask_required; |
515853cc | 295 | |
1da177e4 LT |
296 | /* STP */ |
297 | bridge_id designated_root; | |
298 | bridge_id bridge_id; | |
299 | u32 root_path_cost; | |
300 | unsigned long max_age; | |
301 | unsigned long hello_time; | |
302 | unsigned long forward_delay; | |
303 | unsigned long bridge_max_age; | |
304 | unsigned long ageing_time; | |
305 | unsigned long bridge_hello_time; | |
306 | unsigned long bridge_forward_delay; | |
307 | ||
fda93d92 | 308 | u8 group_addr[ETH_ALEN]; |
204177f3 | 309 | bool group_addr_set; |
1da177e4 | 310 | u16 root_port; |
9cde0708 SH |
311 | |
312 | enum { | |
313 | BR_NO_STP, /* no spanning tree */ | |
314 | BR_KERNEL_STP, /* old STP in kernel */ | |
315 | BR_USER_STP, /* new RSTP in userspace */ | |
316 | } stp_enabled; | |
317 | ||
1da177e4 LT |
318 | unsigned char topology_change; |
319 | unsigned char topology_change_detected; | |
320 | ||
eb1d1641 HX |
321 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
322 | unsigned char multicast_router; | |
323 | ||
324 | u8 multicast_disabled:1; | |
c5c23260 | 325 | u8 multicast_querier:1; |
1c8ad5bf | 326 | u8 multicast_query_use_ifaddr:1; |
0888d5f3 | 327 | u8 has_ipv6_addr:1; |
1080ab95 | 328 | u8 multicast_stats_enabled:1; |
eb1d1641 HX |
329 | |
330 | u32 hash_elasticity; | |
331 | u32 hash_max; | |
332 | ||
333 | u32 multicast_last_member_count; | |
eb1d1641 HX |
334 | u32 multicast_startup_query_count; |
335 | ||
336 | unsigned long multicast_last_member_interval; | |
337 | unsigned long multicast_membership_interval; | |
338 | unsigned long multicast_querier_interval; | |
339 | unsigned long multicast_query_interval; | |
340 | unsigned long multicast_query_response_interval; | |
341 | unsigned long multicast_startup_query_interval; | |
342 | ||
343 | spinlock_t multicast_lock; | |
e8051688 | 344 | struct net_bridge_mdb_htable __rcu *mdb; |
eb1d1641 | 345 | struct hlist_head router_list; |
eb1d1641 HX |
346 | |
347 | struct timer_list multicast_router_timer; | |
90010b36 LL |
348 | struct bridge_mcast_other_query ip4_other_query; |
349 | struct bridge_mcast_own_query ip4_own_query; | |
dc4eb53a | 350 | struct bridge_mcast_querier ip4_querier; |
1080ab95 | 351 | struct bridge_mcast_stats __percpu *mcast_stats; |
cc0fdd80 | 352 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 LL |
353 | struct bridge_mcast_other_query ip6_other_query; |
354 | struct bridge_mcast_own_query ip6_own_query; | |
dc4eb53a | 355 | struct bridge_mcast_querier ip6_querier; |
cc0fdd80 | 356 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 HX |
357 | #endif |
358 | ||
1da177e4 LT |
359 | struct timer_list hello_timer; |
360 | struct timer_list tcn_timer; | |
361 | struct timer_list topology_change_timer; | |
362 | struct timer_list gc_timer; | |
43b98c4a | 363 | struct kobject *ifobj; |
e028e4b8 | 364 | u32 auto_cnt; |
6bc506b4 IS |
365 | |
366 | #ifdef CONFIG_NET_SWITCHDEV | |
367 | int offload_fwd_mark; | |
368 | #endif | |
369 | ||
243a2e63 | 370 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 371 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 372 | u8 vlan_enabled; |
6dada9b1 | 373 | u8 vlan_stats_enabled; |
8580e211 | 374 | __be16 vlan_proto; |
96a20d9d | 375 | u16 default_pvid; |
243a2e63 | 376 | #endif |
1da177e4 LT |
377 | }; |
378 | ||
68b7c895 HX |
379 | struct br_input_skb_cb { |
380 | struct net_device *brdev; | |
93fdd47e | 381 | |
32dec5dd | 382 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
383 | int igmp; |
384 | int mrouters_only; | |
32dec5dd | 385 | #endif |
93fdd47e | 386 | |
842a9ae0 | 387 | bool proxyarp_replied; |
93fdd47e | 388 | |
20adfa1a VY |
389 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
390 | bool vlan_filtered; | |
391 | #endif | |
6bc506b4 IS |
392 | |
393 | #ifdef CONFIG_NET_SWITCHDEV | |
394 | int offload_fwd_mark; | |
395 | #endif | |
68b7c895 HX |
396 | }; |
397 | ||
398 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
399 | ||
32dec5dd YH |
400 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
401 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
402 | #else | |
403 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
404 | #endif | |
405 | ||
28a16c97 | 406 | #define br_printk(level, br, format, args...) \ |
407 | printk(level "%s: " format, (br)->dev->name, ##args) | |
408 | ||
409 | #define br_err(__br, format, args...) \ | |
410 | br_printk(KERN_ERR, __br, format, ##args) | |
411 | #define br_warn(__br, format, args...) \ | |
412 | br_printk(KERN_WARNING, __br, format, ##args) | |
413 | #define br_notice(__br, format, args...) \ | |
414 | br_printk(KERN_NOTICE, __br, format, ##args) | |
415 | #define br_info(__br, format, args...) \ | |
416 | br_printk(KERN_INFO, __br, format, ##args) | |
417 | ||
418 | #define br_debug(br, format, args...) \ | |
419 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
420 | ||
1da177e4 LT |
421 | /* called under bridge lock */ |
422 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
423 | { | |
424 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
425 | } | |
426 | ||
2594e906 NA |
427 | /* check if a VLAN entry is global */ |
428 | static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) | |
429 | { | |
430 | return v->flags & BRIDGE_VLAN_INFO_MASTER; | |
431 | } | |
432 | ||
433 | /* check if a VLAN entry is used by the bridge */ | |
434 | static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) | |
435 | { | |
436 | return v->flags & BRIDGE_VLAN_INFO_BRENTRY; | |
437 | } | |
438 | ||
6be144f6 | 439 | /* check if we should use the vlan entry, returns false if it's only context */ |
2594e906 NA |
440 | static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) |
441 | { | |
442 | if (br_vlan_is_master(v)) { | |
443 | if (br_vlan_is_brentry(v)) | |
444 | return true; | |
445 | else | |
446 | return false; | |
447 | } | |
448 | ||
449 | return true; | |
450 | } | |
451 | ||
1da177e4 | 452 | /* br_device.c */ |
348662a1 JP |
453 | void br_dev_setup(struct net_device *dev); |
454 | void br_dev_delete(struct net_device *dev, struct list_head *list); | |
455 | netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); | |
cfb478da | 456 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
457 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
458 | struct sk_buff *skb) | |
459 | { | |
460 | struct netpoll *np = p->np; | |
461 | ||
462 | if (np) | |
463 | netpoll_send_skb(np, skb); | |
464 | } | |
465 | ||
a8779ec1 | 466 | int br_netpoll_enable(struct net_bridge_port *p); |
348662a1 | 467 | void br_netpoll_disable(struct net_bridge_port *p); |
cfb478da | 468 | #else |
9f70b0fc | 469 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
91d2c34a HX |
470 | struct sk_buff *skb) |
471 | { | |
472 | } | |
cfb478da | 473 | |
a8779ec1 | 474 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
91d2c34a HX |
475 | { |
476 | return 0; | |
477 | } | |
478 | ||
479 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
480 | { | |
481 | } | |
cfb478da | 482 | #endif |
1da177e4 LT |
483 | |
484 | /* br_fdb.c */ | |
348662a1 JP |
485 | int br_fdb_init(void); |
486 | void br_fdb_fini(void); | |
487 | void br_fdb_flush(struct net_bridge *br); | |
424bb9c9 TM |
488 | void br_fdb_find_delete_local(struct net_bridge *br, |
489 | const struct net_bridge_port *p, | |
490 | const unsigned char *addr, u16 vid); | |
348662a1 JP |
491 | void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); |
492 | void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); | |
493 | void br_fdb_cleanup(unsigned long arg); | |
494 | void br_fdb_delete_by_port(struct net_bridge *br, | |
1ea2d020 | 495 | const struct net_bridge_port *p, u16 vid, int do_all); |
348662a1 JP |
496 | struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
497 | const unsigned char *addr, __u16 vid); | |
498 | int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); | |
499 | int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, | |
500 | unsigned long off); | |
501 | int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, | |
502 | const unsigned char *addr, u16 vid); | |
503 | void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, | |
a5642ab4 | 504 | const unsigned char *addr, u16 vid, bool added_by_user); |
348662a1 JP |
505 | |
506 | int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], | |
f6f6424b | 507 | struct net_device *dev, const unsigned char *addr, u16 vid); |
348662a1 | 508 | int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, |
f6f6424b | 509 | const unsigned char *addr, u16 vid, u16 nlh_flags); |
348662a1 | 510 | int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
5d5eacb3 | 511 | struct net_device *dev, struct net_device *fdev, int idx); |
8db24af7 VY |
512 | int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); |
513 | void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); | |
3aeb6617 JP |
514 | int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, |
515 | const unsigned char *addr, u16 vid); | |
516 | int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, | |
517 | const unsigned char *addr, u16 vid); | |
1da177e4 LT |
518 | |
519 | /* br_forward.c */ | |
0c4b51f0 | 520 | int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); |
b35c5f63 | 521 | void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, |
37b090e6 | 522 | bool local_rcv, bool local_orig); |
0c4b51f0 | 523 | int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
37b090e6 NA |
524 | void br_flood(struct net_bridge *br, struct sk_buff *skb, |
525 | bool unicast, bool local_rcv, bool local_orig); | |
1da177e4 LT |
526 | |
527 | /* br_if.c */ | |
348662a1 JP |
528 | void br_port_carrier_check(struct net_bridge_port *p); |
529 | int br_add_bridge(struct net *net, const char *name); | |
530 | int br_del_bridge(struct net *net, const char *name); | |
348662a1 JP |
531 | int br_add_if(struct net_bridge *br, struct net_device *dev); |
532 | int br_del_if(struct net_bridge *br, struct net_device *dev); | |
533 | int br_min_mtu(const struct net_bridge *br); | |
534 | netdev_features_t br_features_recompute(struct net_bridge *br, | |
535 | netdev_features_t features); | |
e028e4b8 | 536 | void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); |
2796d0c6 | 537 | void br_manage_promisc(struct net_bridge *br); |
1da177e4 LT |
538 | |
539 | /* br_input.c */ | |
0c4b51f0 | 540 | int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 541 | rx_handler_result_t br_handle_frame(struct sk_buff **pskb); |
1da177e4 | 542 | |
859828c0 JP |
543 | static inline bool br_rx_handler_check_rcu(const struct net_device *dev) |
544 | { | |
545 | return rcu_dereference(dev->rx_handler) == br_handle_frame; | |
546 | } | |
547 | ||
548 | static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) | |
549 | { | |
550 | return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; | |
551 | } | |
552 | ||
1da177e4 | 553 | /* br_ioctl.c */ |
348662a1 JP |
554 | int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
555 | int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, | |
556 | void __user *arg); | |
1da177e4 | 557 | |
eb1d1641 HX |
558 | /* br_multicast.c */ |
559 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
2ce297fc | 560 | extern unsigned int br_mdb_rehash_seq; |
348662a1 | 561 | int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, |
394efd19 | 562 | struct sk_buff *skb, u16 vid); |
348662a1 JP |
563 | struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, |
564 | struct sk_buff *skb, u16 vid); | |
1080ab95 | 565 | int br_multicast_add_port(struct net_bridge_port *port); |
348662a1 JP |
566 | void br_multicast_del_port(struct net_bridge_port *port); |
567 | void br_multicast_enable_port(struct net_bridge_port *port); | |
568 | void br_multicast_disable_port(struct net_bridge_port *port); | |
569 | void br_multicast_init(struct net_bridge *br); | |
570 | void br_multicast_open(struct net_bridge *br); | |
571 | void br_multicast_stop(struct net_bridge *br); | |
e10177ab | 572 | void br_multicast_dev_del(struct net_bridge *br); |
37b090e6 NA |
573 | void br_multicast_flood(struct net_bridge_mdb_entry *mdst, |
574 | struct sk_buff *skb, bool local_rcv, bool local_orig); | |
348662a1 JP |
575 | int br_multicast_set_router(struct net_bridge *br, unsigned long val); |
576 | int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); | |
577 | int br_multicast_toggle(struct net_bridge *br, unsigned long val); | |
578 | int br_multicast_set_querier(struct net_bridge *br, unsigned long val); | |
579 | int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); | |
580 | struct net_bridge_mdb_entry * | |
581 | br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); | |
582 | struct net_bridge_mdb_entry * | |
583 | br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, | |
584 | struct br_ip *group); | |
585 | void br_multicast_free_pg(struct rcu_head *head); | |
586 | struct net_bridge_port_group * | |
587 | br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, | |
588 | struct net_bridge_port_group __rcu *next, | |
9d06b6d8 | 589 | unsigned char flags); |
348662a1 JP |
590 | void br_mdb_init(void); |
591 | void br_mdb_uninit(void); | |
45ebcce5 ER |
592 | void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, |
593 | struct br_ip *group, int type, u8 flags); | |
949f1e39 SA |
594 | void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, |
595 | int type); | |
1080ab95 | 596 | void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, |
a65056ec | 597 | const struct sk_buff *skb, u8 type, u8 dir); |
1080ab95 NA |
598 | int br_multicast_init_stats(struct net_bridge *br); |
599 | void br_multicast_get_stats(const struct net_bridge *br, | |
600 | const struct net_bridge_port *p, | |
601 | struct br_mcast_stats *dest); | |
85b35269 | 602 | |
cfd56754 CW |
603 | #define mlock_dereference(X, br) \ |
604 | rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) | |
605 | ||
85b35269 SS |
606 | static inline bool br_multicast_is_router(struct net_bridge *br) |
607 | { | |
608 | return br->multicast_router == 2 || | |
609 | (br->multicast_router == 1 && | |
610 | timer_pending(&br->multicast_router_timer)); | |
611 | } | |
b00589af | 612 | |
cc0fdd80 LL |
613 | static inline bool |
614 | __br_multicast_querier_exists(struct net_bridge *br, | |
0888d5f3 | 615 | struct bridge_mcast_other_query *querier, |
616 | const bool is_ipv6) | |
b00589af | 617 | { |
0888d5f3 | 618 | bool own_querier_enabled; |
619 | ||
620 | if (br->multicast_querier) { | |
621 | if (is_ipv6 && !br->has_ipv6_addr) | |
622 | own_querier_enabled = false; | |
623 | else | |
624 | own_querier_enabled = true; | |
625 | } else { | |
626 | own_querier_enabled = false; | |
627 | } | |
628 | ||
cc0fdd80 | 629 | return time_is_before_jiffies(querier->delay_time) && |
0888d5f3 | 630 | (own_querier_enabled || timer_pending(&querier->timer)); |
cc0fdd80 LL |
631 | } |
632 | ||
633 | static inline bool br_multicast_querier_exists(struct net_bridge *br, | |
634 | struct ethhdr *eth) | |
635 | { | |
636 | switch (eth->h_proto) { | |
637 | case (htons(ETH_P_IP)): | |
0888d5f3 | 638 | return __br_multicast_querier_exists(br, |
639 | &br->ip4_other_query, false); | |
cc0fdd80 LL |
640 | #if IS_ENABLED(CONFIG_IPV6) |
641 | case (htons(ETH_P_IPV6)): | |
0888d5f3 | 642 | return __br_multicast_querier_exists(br, |
643 | &br->ip6_other_query, true); | |
cc0fdd80 LL |
644 | #endif |
645 | default: | |
646 | return false; | |
647 | } | |
b00589af | 648 | } |
1080ab95 NA |
649 | |
650 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
651 | { | |
652 | return BR_INPUT_SKB_CB(skb)->igmp; | |
653 | } | |
eb1d1641 HX |
654 | #else |
655 | static inline int br_multicast_rcv(struct net_bridge *br, | |
656 | struct net_bridge_port *port, | |
06499098 VY |
657 | struct sk_buff *skb, |
658 | u16 vid) | |
eb1d1641 HX |
659 | { |
660 | return 0; | |
661 | } | |
662 | ||
663 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
fbca58a2 | 664 | struct sk_buff *skb, u16 vid) |
eb1d1641 HX |
665 | { |
666 | return NULL; | |
667 | } | |
668 | ||
1080ab95 | 669 | static inline int br_multicast_add_port(struct net_bridge_port *port) |
eb1d1641 | 670 | { |
1080ab95 | 671 | return 0; |
eb1d1641 HX |
672 | } |
673 | ||
674 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
675 | { | |
676 | } | |
677 | ||
678 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
679 | { | |
680 | } | |
681 | ||
682 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
683 | { | |
684 | } | |
685 | ||
686 | static inline void br_multicast_init(struct net_bridge *br) | |
687 | { | |
688 | } | |
689 | ||
690 | static inline void br_multicast_open(struct net_bridge *br) | |
691 | { | |
692 | } | |
693 | ||
694 | static inline void br_multicast_stop(struct net_bridge *br) | |
695 | { | |
696 | } | |
5cb5e947 | 697 | |
a7ce45a7 NA |
698 | static inline void br_multicast_dev_del(struct net_bridge *br) |
699 | { | |
700 | } | |
701 | ||
37b090e6 NA |
702 | static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, |
703 | struct sk_buff *skb, | |
704 | bool local_rcv, bool local_orig) | |
5cb5e947 HX |
705 | { |
706 | } | |
707 | ||
eb1d1641 HX |
708 | static inline bool br_multicast_is_router(struct net_bridge *br) |
709 | { | |
85b35269 | 710 | return 0; |
eb1d1641 | 711 | } |
37b090e6 | 712 | |
cc0fdd80 LL |
713 | static inline bool br_multicast_querier_exists(struct net_bridge *br, |
714 | struct ethhdr *eth) | |
b00589af LL |
715 | { |
716 | return false; | |
717 | } | |
37b090e6 | 718 | |
fdb184d1 RR |
719 | static inline void br_mdb_init(void) |
720 | { | |
721 | } | |
37b090e6 | 722 | |
fdb184d1 RR |
723 | static inline void br_mdb_uninit(void) |
724 | { | |
725 | } | |
1080ab95 NA |
726 | |
727 | static inline void br_multicast_count(struct net_bridge *br, | |
728 | const struct net_bridge_port *p, | |
a65056ec NA |
729 | const struct sk_buff *skb, |
730 | u8 type, u8 dir) | |
1080ab95 NA |
731 | { |
732 | } | |
733 | ||
734 | static inline int br_multicast_init_stats(struct net_bridge *br) | |
735 | { | |
736 | return 0; | |
737 | } | |
738 | ||
739 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
740 | { | |
741 | return 0; | |
742 | } | |
85b35269 | 743 | #endif |
eb1d1641 | 744 | |
243a2e63 VY |
745 | /* br_vlan.c */ |
746 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
77751ee8 NA |
747 | bool br_allowed_ingress(const struct net_bridge *br, |
748 | struct net_bridge_vlan_group *vg, struct sk_buff *skb, | |
749 | u16 *vid); | |
750 | bool br_allowed_egress(struct net_bridge_vlan_group *vg, | |
348662a1 | 751 | const struct sk_buff *skb); |
e0d7968a | 752 | bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); |
348662a1 | 753 | struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 754 | struct net_bridge_vlan_group *vg, |
348662a1 JP |
755 | struct sk_buff *skb); |
756 | int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); | |
757 | int br_vlan_delete(struct net_bridge *br, u16 vid); | |
758 | void br_vlan_flush(struct net_bridge *br); | |
2594e906 | 759 | struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); |
204177f3 | 760 | void br_recalculate_fwd_mask(struct net_bridge *br); |
a7854037 | 761 | int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
348662a1 | 762 | int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
d2d427b3 | 763 | int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); |
204177f3 | 764 | int br_vlan_set_proto(struct net_bridge *br, unsigned long val); |
6dada9b1 | 765 | int br_vlan_set_stats(struct net_bridge *br, unsigned long val); |
5be5a2df | 766 | int br_vlan_init(struct net_bridge *br); |
96a20d9d | 767 | int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); |
0f963b75 | 768 | int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); |
348662a1 JP |
769 | int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); |
770 | int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); | |
771 | void nbp_vlan_flush(struct net_bridge_port *port); | |
5be5a2df | 772 | int nbp_vlan_init(struct net_bridge_port *port); |
2594e906 | 773 | int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); |
a60c0903 NA |
774 | void br_vlan_get_stats(const struct net_bridge_vlan *v, |
775 | struct br_vlan_stats *stats); | |
a37b85c9 | 776 | |
2594e906 NA |
777 | static inline struct net_bridge_vlan_group *br_vlan_group( |
778 | const struct net_bridge *br) | |
a37b85c9 | 779 | { |
907b1e6e | 780 | return rtnl_dereference(br->vlgrp); |
a37b85c9 VY |
781 | } |
782 | ||
2594e906 NA |
783 | static inline struct net_bridge_vlan_group *nbp_vlan_group( |
784 | const struct net_bridge_port *p) | |
a37b85c9 | 785 | { |
907b1e6e NA |
786 | return rtnl_dereference(p->vlgrp); |
787 | } | |
788 | ||
789 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
790 | const struct net_bridge *br) | |
791 | { | |
792 | return rcu_dereference(br->vlgrp); | |
793 | } | |
794 | ||
795 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
796 | const struct net_bridge_port *p) | |
797 | { | |
798 | return rcu_dereference(p->vlgrp); | |
a37b85c9 VY |
799 | } |
800 | ||
801 | /* Since bridge now depends on 8021Q module, but the time bridge sees the | |
802 | * skb, the vlan tag will always be present if the frame was tagged. | |
803 | */ | |
804 | static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) | |
805 | { | |
806 | int err = 0; | |
807 | ||
2594e906 | 808 | if (skb_vlan_tag_present(skb)) { |
df8a39de | 809 | *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; |
2594e906 | 810 | } else { |
a37b85c9 VY |
811 | *vid = 0; |
812 | err = -EINVAL; | |
813 | } | |
814 | ||
815 | return err; | |
816 | } | |
78851988 | 817 | |
77751ee8 | 818 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
2594e906 | 819 | { |
77751ee8 | 820 | if (!vg) |
2594e906 NA |
821 | return 0; |
822 | ||
823 | smp_rmb(); | |
77751ee8 | 824 | return vg->pvid; |
78851988 VY |
825 | } |
826 | ||
2796d0c6 VY |
827 | static inline int br_vlan_enabled(struct net_bridge *br) |
828 | { | |
829 | return br->vlan_enabled; | |
830 | } | |
243a2e63 | 831 | #else |
77751ee8 NA |
832 | static inline bool br_allowed_ingress(const struct net_bridge *br, |
833 | struct net_bridge_vlan_group *vg, | |
78851988 VY |
834 | struct sk_buff *skb, |
835 | u16 *vid) | |
a37b85c9 VY |
836 | { |
837 | return true; | |
838 | } | |
839 | ||
2594e906 | 840 | static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, |
85f46c6b VY |
841 | const struct sk_buff *skb) |
842 | { | |
843 | return true; | |
844 | } | |
845 | ||
e0d7968a TM |
846 | static inline bool br_should_learn(struct net_bridge_port *p, |
847 | struct sk_buff *skb, u16 *vid) | |
848 | { | |
849 | return true; | |
850 | } | |
851 | ||
78851988 | 852 | static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 853 | struct net_bridge_vlan_group *vg, |
78851988 VY |
854 | struct sk_buff *skb) |
855 | { | |
856 | return skb; | |
857 | } | |
858 | ||
552406c4 | 859 | static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) |
243a2e63 VY |
860 | { |
861 | return -EOPNOTSUPP; | |
862 | } | |
863 | ||
864 | static inline int br_vlan_delete(struct net_bridge *br, u16 vid) | |
865 | { | |
866 | return -EOPNOTSUPP; | |
867 | } | |
868 | ||
869 | static inline void br_vlan_flush(struct net_bridge *br) | |
870 | { | |
871 | } | |
872 | ||
204177f3 TM |
873 | static inline void br_recalculate_fwd_mask(struct net_bridge *br) |
874 | { | |
875 | } | |
876 | ||
5be5a2df | 877 | static inline int br_vlan_init(struct net_bridge *br) |
8580e211 | 878 | { |
5be5a2df | 879 | return 0; |
8580e211 TM |
880 | } |
881 | ||
552406c4 | 882 | static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) |
243a2e63 VY |
883 | { |
884 | return -EOPNOTSUPP; | |
885 | } | |
886 | ||
887 | static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) | |
888 | { | |
889 | return -EOPNOTSUPP; | |
890 | } | |
891 | ||
892 | static inline void nbp_vlan_flush(struct net_bridge_port *port) | |
893 | { | |
894 | } | |
895 | ||
2594e906 NA |
896 | static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, |
897 | u16 vid) | |
a37b85c9 VY |
898 | { |
899 | return NULL; | |
900 | } | |
901 | ||
2594e906 | 902 | static inline int nbp_vlan_init(struct net_bridge_port *port) |
bc9a25d2 | 903 | { |
2594e906 | 904 | return 0; |
bc9a25d2 VY |
905 | } |
906 | ||
2594e906 | 907 | static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) |
5be5a2df VY |
908 | { |
909 | return 0; | |
910 | } | |
911 | ||
77751ee8 | 912 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
78851988 | 913 | { |
3df6bf45 | 914 | return 0; |
78851988 | 915 | } |
2796d0c6 | 916 | |
d4f0e095 | 917 | static inline int br_vlan_enabled(struct net_bridge *br) |
2796d0c6 VY |
918 | { |
919 | return 0; | |
920 | } | |
a7854037 NA |
921 | |
922 | static inline int __br_vlan_filter_toggle(struct net_bridge *br, | |
923 | unsigned long val) | |
924 | { | |
925 | return -EOPNOTSUPP; | |
926 | } | |
2594e906 NA |
927 | |
928 | static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, | |
929 | u32 filter_mask) | |
930 | { | |
931 | return 0; | |
932 | } | |
933 | ||
934 | static inline struct net_bridge_vlan_group *br_vlan_group( | |
935 | const struct net_bridge *br) | |
936 | { | |
937 | return NULL; | |
938 | } | |
939 | ||
940 | static inline struct net_bridge_vlan_group *nbp_vlan_group( | |
941 | const struct net_bridge_port *p) | |
942 | { | |
943 | return NULL; | |
944 | } | |
907b1e6e NA |
945 | |
946 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
947 | const struct net_bridge *br) | |
948 | { | |
949 | return NULL; | |
950 | } | |
951 | ||
952 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
953 | const struct net_bridge_port *p) | |
954 | { | |
955 | return NULL; | |
956 | } | |
a60c0903 NA |
957 | |
958 | static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, | |
959 | struct br_vlan_stats *stats) | |
960 | { | |
961 | } | |
243a2e63 VY |
962 | #endif |
963 | ||
1a4ba64d PNA |
964 | struct nf_br_ops { |
965 | int (*br_dev_xmit_hook)(struct sk_buff *skb); | |
966 | }; | |
967 | extern const struct nf_br_ops __rcu *nf_br_ops; | |
968 | ||
1da177e4 | 969 | /* br_netfilter.c */ |
34666d46 PNA |
970 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
971 | int br_nf_core_init(void); | |
972 | void br_nf_core_fini(void); | |
348662a1 | 973 | void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 | 974 | #else |
34666d46 PNA |
975 | static inline int br_nf_core_init(void) { return 0; } |
976 | static inline void br_nf_core_fini(void) {} | |
4adf0af6 | 977 | #define br_netfilter_rtable_init(x) |
c0909713 | 978 | #endif |
1da177e4 LT |
979 | |
980 | /* br_stp.c */ | |
775dd692 | 981 | void br_set_state(struct net_bridge_port *p, unsigned int state); |
348662a1 JP |
982 | struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); |
983 | void br_init_port(struct net_bridge_port *p); | |
984 | void br_become_designated_port(struct net_bridge_port *p); | |
1da177e4 | 985 | |
348662a1 JP |
986 | void __br_set_forward_delay(struct net_bridge *br, unsigned long t); |
987 | int br_set_forward_delay(struct net_bridge *br, unsigned long x); | |
988 | int br_set_hello_time(struct net_bridge *br, unsigned long x); | |
989 | int br_set_max_age(struct net_bridge *br, unsigned long x); | |
9e0b27fe | 990 | int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); |
14f98f25 | 991 | |
992 | ||
1da177e4 | 993 | /* br_stp_if.c */ |
348662a1 JP |
994 | void br_stp_enable_bridge(struct net_bridge *br); |
995 | void br_stp_disable_bridge(struct net_bridge *br); | |
996 | void br_stp_set_enabled(struct net_bridge *br, unsigned long val); | |
997 | void br_stp_enable_port(struct net_bridge_port *p); | |
998 | void br_stp_disable_port(struct net_bridge_port *p); | |
999 | bool br_stp_recalculate_bridge_id(struct net_bridge *br); | |
1000 | void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); | |
1001 | void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); | |
1002 | int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); | |
1003 | int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); | |
1004 | ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
1da177e4 LT |
1005 | |
1006 | /* br_stp_bpdu.c */ | |
7c85fbf0 | 1007 | struct stp_proto; |
348662a1 JP |
1008 | void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, |
1009 | struct net_device *dev); | |
1da177e4 LT |
1010 | |
1011 | /* br_stp_timer.c */ | |
348662a1 JP |
1012 | void br_stp_timer_init(struct net_bridge *br); |
1013 | void br_stp_port_timer_init(struct net_bridge_port *p); | |
1014 | unsigned long br_timer_value(const struct timer_list *timer); | |
1da177e4 LT |
1015 | |
1016 | /* br.c */ | |
e6373c4c | 1017 | #if IS_ENABLED(CONFIG_ATM_LANE) |
da678292 MM |
1018 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); |
1019 | #endif | |
1da177e4 | 1020 | |
11dc1f36 | 1021 | /* br_netlink.c */ |
149ddd83 | 1022 | extern struct rtnl_link_ops br_link_ops; |
348662a1 JP |
1023 | int br_netlink_init(void); |
1024 | void br_netlink_fini(void); | |
1025 | void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
add511b3 RP |
1026 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); |
1027 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); | |
348662a1 | 1028 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, |
46c264da | 1029 | u32 filter_mask, int nlflags); |
11dc1f36 | 1030 | |
1da177e4 LT |
1031 | #ifdef CONFIG_SYSFS |
1032 | /* br_sysfs_if.c */ | |
52cf25d0 | 1033 | extern const struct sysfs_ops brport_sysfs_ops; |
348662a1 JP |
1034 | int br_sysfs_addif(struct net_bridge_port *p); |
1035 | int br_sysfs_renameif(struct net_bridge_port *p); | |
1da177e4 LT |
1036 | |
1037 | /* br_sysfs_br.c */ | |
348662a1 JP |
1038 | int br_sysfs_addbr(struct net_device *dev); |
1039 | void br_sysfs_delbr(struct net_device *dev); | |
1da177e4 LT |
1040 | |
1041 | #else | |
1042 | ||
0cb2bbbe LJ |
1043 | static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } |
1044 | static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } | |
1045 | static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } | |
1046 | static inline void br_sysfs_delbr(struct net_device *dev) { return; } | |
1da177e4 LT |
1047 | #endif /* CONFIG_SYSFS */ |
1048 | ||
6bc506b4 IS |
1049 | /* br_switchdev.c */ |
1050 | #ifdef CONFIG_NET_SWITCHDEV | |
1051 | int nbp_switchdev_mark_set(struct net_bridge_port *p); | |
1052 | void nbp_switchdev_frame_mark(const struct net_bridge_port *p, | |
1053 | struct sk_buff *skb); | |
1054 | bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, | |
1055 | const struct sk_buff *skb); | |
1056 | #else | |
1057 | static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) | |
1058 | { | |
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, | |
1063 | struct sk_buff *skb) | |
1064 | { | |
1065 | } | |
1066 | ||
1067 | static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, | |
1068 | const struct sk_buff *skb) | |
1069 | { | |
1070 | return true; | |
1071 | } | |
1072 | #endif /* CONFIG_NET_SWITCHDEV */ | |
1073 | ||
1da177e4 | 1074 | #endif |