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; |
6db6f0ea | 180 | unsigned char eth_addr[ETH_ALEN]; |
eb1d1641 HX |
181 | }; |
182 | ||
183 | struct net_bridge_mdb_entry | |
184 | { | |
185 | struct hlist_node hlist[2]; | |
eb1d1641 | 186 | struct net_bridge *br; |
e8051688 | 187 | struct net_bridge_port_group __rcu *ports; |
eb1d1641 HX |
188 | struct rcu_head rcu; |
189 | struct timer_list timer; | |
8ef2a9a5 | 190 | struct br_ip addr; |
8a870178 | 191 | bool mglist; |
eb1d1641 HX |
192 | }; |
193 | ||
194 | struct net_bridge_mdb_htable | |
195 | { | |
196 | struct hlist_head *mhash; | |
197 | struct rcu_head rcu; | |
198 | struct net_bridge_mdb_htable *old; | |
199 | u32 size; | |
200 | u32 max; | |
201 | u32 secret; | |
202 | u32 ver; | |
203 | }; | |
204 | ||
1da177e4 LT |
205 | struct net_bridge_port |
206 | { | |
207 | struct net_bridge *br; | |
208 | struct net_device *dev; | |
209 | struct list_head list; | |
210 | ||
211 | /* STP */ | |
212 | u8 priority; | |
213 | u8 state; | |
214 | u16 port_no; | |
215 | unsigned char topology_change_ack; | |
216 | unsigned char config_pending; | |
217 | port_id port_id; | |
218 | port_id designated_port; | |
219 | bridge_id designated_root; | |
220 | bridge_id designated_bridge; | |
221 | u32 path_cost; | |
222 | u32 designated_cost; | |
0c03150e | 223 | unsigned long designated_age; |
1da177e4 LT |
224 | |
225 | struct timer_list forward_delay_timer; | |
226 | struct timer_list hold_timer; | |
227 | struct timer_list message_age_timer; | |
228 | struct kobject kobj; | |
229 | struct rcu_head rcu; | |
3982d3d2 FA |
230 | |
231 | unsigned long flags; | |
eb1d1641 HX |
232 | |
233 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
90010b36 | 234 | struct bridge_mcast_own_query ip4_own_query; |
cc0fdd80 | 235 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 | 236 | struct bridge_mcast_own_query ip6_own_query; |
cc0fdd80 | 237 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 | 238 | unsigned char multicast_router; |
1080ab95 | 239 | struct bridge_mcast_stats __percpu *mcast_stats; |
eb1d1641 | 240 | struct timer_list multicast_router_timer; |
eb1d1641 HX |
241 | struct hlist_head mglist; |
242 | struct hlist_node rlist; | |
243 | #endif | |
e0f43752 SA |
244 | |
245 | #ifdef CONFIG_SYSFS | |
246 | char sysfs_name[IFNAMSIZ]; | |
247 | #endif | |
91d2c34a HX |
248 | |
249 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
250 | struct netpoll *np; | |
251 | #endif | |
243a2e63 | 252 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 253 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 254 | #endif |
6bc506b4 IS |
255 | #ifdef CONFIG_NET_SWITCHDEV |
256 | int offload_fwd_mark; | |
257 | #endif | |
1da177e4 LT |
258 | }; |
259 | ||
e028e4b8 | 260 | #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) |
f3a6ddf1 | 261 | #define br_promisc_port(p) ((p)->flags & BR_PROMISC) |
e028e4b8 | 262 | |
f350a0a8 JP |
263 | #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) |
264 | ||
b5ed54e9 | 265 | static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) |
266 | { | |
716ec052 | 267 | return rcu_dereference(dev->rx_handler_data); |
b5ed54e9 | 268 | } |
269 | ||
1fb1754a | 270 | static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) |
b5ed54e9 | 271 | { |
ec1e5610 ED |
272 | return br_port_exists(dev) ? |
273 | rtnl_dereference(dev->rx_handler_data) : NULL; | |
b5ed54e9 | 274 | } |
275 | ||
1da177e4 LT |
276 | struct net_bridge |
277 | { | |
278 | spinlock_t lock; | |
279 | struct list_head port_list; | |
280 | struct net_device *dev; | |
14bb4789 | 281 | |
8f84985f | 282 | struct pcpu_sw_netstats __percpu *stats; |
1da177e4 LT |
283 | spinlock_t hash_lock; |
284 | struct hlist_head hash[BR_HASH_SIZE]; | |
34666d46 | 285 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
efb6de9b BT |
286 | union { |
287 | struct rtable fake_rtable; | |
288 | struct rt6_info fake_rt6_info; | |
289 | }; | |
4df53d8b PM |
290 | bool nf_call_iptables; |
291 | bool nf_call_ip6tables; | |
292 | bool nf_call_arptables; | |
4adf0af6 | 293 | #endif |
515853cc | 294 | u16 group_fwd_mask; |
f2808d22 | 295 | u16 group_fwd_mask_required; |
515853cc | 296 | |
1da177e4 LT |
297 | /* STP */ |
298 | bridge_id designated_root; | |
299 | bridge_id bridge_id; | |
300 | u32 root_path_cost; | |
301 | unsigned long max_age; | |
302 | unsigned long hello_time; | |
303 | unsigned long forward_delay; | |
1da177e4 | 304 | unsigned long ageing_time; |
34d8acd8 | 305 | unsigned long bridge_max_age; |
1da177e4 LT |
306 | unsigned long bridge_hello_time; |
307 | unsigned long bridge_forward_delay; | |
34d8acd8 | 308 | unsigned long bridge_ageing_time; |
1da177e4 | 309 | |
fda93d92 | 310 | u8 group_addr[ETH_ALEN]; |
204177f3 | 311 | bool group_addr_set; |
1da177e4 | 312 | u16 root_port; |
9cde0708 SH |
313 | |
314 | enum { | |
315 | BR_NO_STP, /* no spanning tree */ | |
316 | BR_KERNEL_STP, /* old STP in kernel */ | |
317 | BR_USER_STP, /* new RSTP in userspace */ | |
318 | } stp_enabled; | |
319 | ||
1da177e4 LT |
320 | unsigned char topology_change; |
321 | unsigned char topology_change_detected; | |
322 | ||
eb1d1641 HX |
323 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
324 | unsigned char multicast_router; | |
325 | ||
326 | u8 multicast_disabled:1; | |
c5c23260 | 327 | u8 multicast_querier:1; |
1c8ad5bf | 328 | u8 multicast_query_use_ifaddr:1; |
0888d5f3 | 329 | u8 has_ipv6_addr:1; |
1080ab95 | 330 | u8 multicast_stats_enabled:1; |
eb1d1641 HX |
331 | |
332 | u32 hash_elasticity; | |
333 | u32 hash_max; | |
334 | ||
335 | u32 multicast_last_member_count; | |
eb1d1641 HX |
336 | u32 multicast_startup_query_count; |
337 | ||
5e923585 NA |
338 | u8 multicast_igmp_version; |
339 | ||
eb1d1641 HX |
340 | unsigned long multicast_last_member_interval; |
341 | unsigned long multicast_membership_interval; | |
342 | unsigned long multicast_querier_interval; | |
343 | unsigned long multicast_query_interval; | |
344 | unsigned long multicast_query_response_interval; | |
345 | unsigned long multicast_startup_query_interval; | |
346 | ||
347 | spinlock_t multicast_lock; | |
e8051688 | 348 | struct net_bridge_mdb_htable __rcu *mdb; |
eb1d1641 | 349 | struct hlist_head router_list; |
eb1d1641 HX |
350 | |
351 | struct timer_list multicast_router_timer; | |
90010b36 LL |
352 | struct bridge_mcast_other_query ip4_other_query; |
353 | struct bridge_mcast_own_query ip4_own_query; | |
dc4eb53a | 354 | struct bridge_mcast_querier ip4_querier; |
1080ab95 | 355 | struct bridge_mcast_stats __percpu *mcast_stats; |
cc0fdd80 | 356 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 LL |
357 | struct bridge_mcast_other_query ip6_other_query; |
358 | struct bridge_mcast_own_query ip6_own_query; | |
dc4eb53a | 359 | struct bridge_mcast_querier ip6_querier; |
aa2ae3e7 | 360 | u8 multicast_mld_version; |
cc0fdd80 | 361 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 HX |
362 | #endif |
363 | ||
1da177e4 LT |
364 | struct timer_list hello_timer; |
365 | struct timer_list tcn_timer; | |
366 | struct timer_list topology_change_timer; | |
367 | struct timer_list gc_timer; | |
43b98c4a | 368 | struct kobject *ifobj; |
e028e4b8 | 369 | u32 auto_cnt; |
6bc506b4 IS |
370 | |
371 | #ifdef CONFIG_NET_SWITCHDEV | |
372 | int offload_fwd_mark; | |
373 | #endif | |
374 | ||
243a2e63 | 375 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 376 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 377 | u8 vlan_enabled; |
6dada9b1 | 378 | u8 vlan_stats_enabled; |
8580e211 | 379 | __be16 vlan_proto; |
96a20d9d | 380 | u16 default_pvid; |
243a2e63 | 381 | #endif |
1da177e4 LT |
382 | }; |
383 | ||
68b7c895 HX |
384 | struct br_input_skb_cb { |
385 | struct net_device *brdev; | |
93fdd47e | 386 | |
32dec5dd | 387 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
388 | int igmp; |
389 | int mrouters_only; | |
32dec5dd | 390 | #endif |
93fdd47e | 391 | |
842a9ae0 | 392 | bool proxyarp_replied; |
93fdd47e | 393 | |
20adfa1a VY |
394 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
395 | bool vlan_filtered; | |
396 | #endif | |
6bc506b4 IS |
397 | |
398 | #ifdef CONFIG_NET_SWITCHDEV | |
399 | int offload_fwd_mark; | |
400 | #endif | |
68b7c895 HX |
401 | }; |
402 | ||
403 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
404 | ||
32dec5dd YH |
405 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
406 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
407 | #else | |
408 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
409 | #endif | |
410 | ||
28a16c97 | 411 | #define br_printk(level, br, format, args...) \ |
412 | printk(level "%s: " format, (br)->dev->name, ##args) | |
413 | ||
414 | #define br_err(__br, format, args...) \ | |
415 | br_printk(KERN_ERR, __br, format, ##args) | |
416 | #define br_warn(__br, format, args...) \ | |
417 | br_printk(KERN_WARNING, __br, format, ##args) | |
418 | #define br_notice(__br, format, args...) \ | |
419 | br_printk(KERN_NOTICE, __br, format, ##args) | |
420 | #define br_info(__br, format, args...) \ | |
421 | br_printk(KERN_INFO, __br, format, ##args) | |
422 | ||
423 | #define br_debug(br, format, args...) \ | |
424 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
425 | ||
1da177e4 LT |
426 | /* called under bridge lock */ |
427 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
428 | { | |
429 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
430 | } | |
431 | ||
2594e906 NA |
432 | /* check if a VLAN entry is global */ |
433 | static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) | |
434 | { | |
435 | return v->flags & BRIDGE_VLAN_INFO_MASTER; | |
436 | } | |
437 | ||
438 | /* check if a VLAN entry is used by the bridge */ | |
439 | static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) | |
440 | { | |
441 | return v->flags & BRIDGE_VLAN_INFO_BRENTRY; | |
442 | } | |
443 | ||
6be144f6 | 444 | /* check if we should use the vlan entry, returns false if it's only context */ |
2594e906 NA |
445 | static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) |
446 | { | |
447 | if (br_vlan_is_master(v)) { | |
448 | if (br_vlan_is_brentry(v)) | |
449 | return true; | |
450 | else | |
451 | return false; | |
452 | } | |
453 | ||
454 | return true; | |
455 | } | |
456 | ||
1da177e4 | 457 | /* br_device.c */ |
348662a1 JP |
458 | void br_dev_setup(struct net_device *dev); |
459 | void br_dev_delete(struct net_device *dev, struct list_head *list); | |
460 | netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); | |
cfb478da | 461 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
462 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
463 | struct sk_buff *skb) | |
464 | { | |
465 | struct netpoll *np = p->np; | |
466 | ||
467 | if (np) | |
468 | netpoll_send_skb(np, skb); | |
469 | } | |
470 | ||
a8779ec1 | 471 | int br_netpoll_enable(struct net_bridge_port *p); |
348662a1 | 472 | void br_netpoll_disable(struct net_bridge_port *p); |
cfb478da | 473 | #else |
9f70b0fc | 474 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
91d2c34a HX |
475 | struct sk_buff *skb) |
476 | { | |
477 | } | |
cfb478da | 478 | |
a8779ec1 | 479 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
91d2c34a HX |
480 | { |
481 | return 0; | |
482 | } | |
483 | ||
484 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
485 | { | |
486 | } | |
cfb478da | 487 | #endif |
1da177e4 LT |
488 | |
489 | /* br_fdb.c */ | |
348662a1 JP |
490 | int br_fdb_init(void); |
491 | void br_fdb_fini(void); | |
492 | void br_fdb_flush(struct net_bridge *br); | |
424bb9c9 TM |
493 | void br_fdb_find_delete_local(struct net_bridge *br, |
494 | const struct net_bridge_port *p, | |
495 | const unsigned char *addr, u16 vid); | |
348662a1 JP |
496 | void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); |
497 | void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); | |
498 | void br_fdb_cleanup(unsigned long arg); | |
499 | void br_fdb_delete_by_port(struct net_bridge *br, | |
1ea2d020 | 500 | const struct net_bridge_port *p, u16 vid, int do_all); |
348662a1 JP |
501 | struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
502 | const unsigned char *addr, __u16 vid); | |
503 | int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); | |
504 | int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, | |
505 | unsigned long off); | |
506 | int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, | |
507 | const unsigned char *addr, u16 vid); | |
508 | void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, | |
a5642ab4 | 509 | const unsigned char *addr, u16 vid, bool added_by_user); |
348662a1 JP |
510 | |
511 | int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], | |
f6f6424b | 512 | struct net_device *dev, const unsigned char *addr, u16 vid); |
348662a1 | 513 | int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, |
f6f6424b | 514 | const unsigned char *addr, u16 vid, u16 nlh_flags); |
348662a1 | 515 | int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
d297653d | 516 | struct net_device *dev, struct net_device *fdev, int *idx); |
8db24af7 VY |
517 | int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); |
518 | void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); | |
3aeb6617 JP |
519 | int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, |
520 | const unsigned char *addr, u16 vid); | |
521 | int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, | |
522 | const unsigned char *addr, u16 vid); | |
1da177e4 LT |
523 | |
524 | /* br_forward.c */ | |
8addd5e7 NA |
525 | enum br_pkt_type { |
526 | BR_PKT_UNICAST, | |
527 | BR_PKT_MULTICAST, | |
528 | BR_PKT_BROADCAST | |
529 | }; | |
0c4b51f0 | 530 | int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); |
b35c5f63 | 531 | void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, |
37b090e6 | 532 | bool local_rcv, bool local_orig); |
0c4b51f0 | 533 | int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
37b090e6 | 534 | void br_flood(struct net_bridge *br, struct sk_buff *skb, |
8addd5e7 | 535 | enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); |
1da177e4 LT |
536 | |
537 | /* br_if.c */ | |
348662a1 JP |
538 | void br_port_carrier_check(struct net_bridge_port *p); |
539 | int br_add_bridge(struct net *net, const char *name); | |
540 | int br_del_bridge(struct net *net, const char *name); | |
348662a1 JP |
541 | int br_add_if(struct net_bridge *br, struct net_device *dev); |
542 | int br_del_if(struct net_bridge *br, struct net_device *dev); | |
543 | int br_min_mtu(const struct net_bridge *br); | |
544 | netdev_features_t br_features_recompute(struct net_bridge *br, | |
545 | netdev_features_t features); | |
e028e4b8 | 546 | void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); |
2796d0c6 | 547 | void br_manage_promisc(struct net_bridge *br); |
1da177e4 LT |
548 | |
549 | /* br_input.c */ | |
0c4b51f0 | 550 | int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 551 | rx_handler_result_t br_handle_frame(struct sk_buff **pskb); |
1da177e4 | 552 | |
859828c0 JP |
553 | static inline bool br_rx_handler_check_rcu(const struct net_device *dev) |
554 | { | |
555 | return rcu_dereference(dev->rx_handler) == br_handle_frame; | |
556 | } | |
557 | ||
558 | static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) | |
559 | { | |
560 | return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; | |
561 | } | |
562 | ||
1da177e4 | 563 | /* br_ioctl.c */ |
348662a1 JP |
564 | int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
565 | int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, | |
566 | void __user *arg); | |
1da177e4 | 567 | |
eb1d1641 HX |
568 | /* br_multicast.c */ |
569 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
2ce297fc | 570 | extern unsigned int br_mdb_rehash_seq; |
348662a1 | 571 | int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, |
394efd19 | 572 | struct sk_buff *skb, u16 vid); |
348662a1 JP |
573 | struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, |
574 | struct sk_buff *skb, u16 vid); | |
1080ab95 | 575 | int br_multicast_add_port(struct net_bridge_port *port); |
348662a1 JP |
576 | void br_multicast_del_port(struct net_bridge_port *port); |
577 | void br_multicast_enable_port(struct net_bridge_port *port); | |
578 | void br_multicast_disable_port(struct net_bridge_port *port); | |
579 | void br_multicast_init(struct net_bridge *br); | |
580 | void br_multicast_open(struct net_bridge *br); | |
581 | void br_multicast_stop(struct net_bridge *br); | |
e10177ab | 582 | void br_multicast_dev_del(struct net_bridge *br); |
37b090e6 NA |
583 | void br_multicast_flood(struct net_bridge_mdb_entry *mdst, |
584 | struct sk_buff *skb, bool local_rcv, bool local_orig); | |
348662a1 JP |
585 | int br_multicast_set_router(struct net_bridge *br, unsigned long val); |
586 | int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); | |
587 | int br_multicast_toggle(struct net_bridge *br, unsigned long val); | |
588 | int br_multicast_set_querier(struct net_bridge *br, unsigned long val); | |
589 | int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); | |
5e923585 | 590 | int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); |
aa2ae3e7 NA |
591 | #if IS_ENABLED(CONFIG_IPV6) |
592 | int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); | |
593 | #endif | |
348662a1 JP |
594 | struct net_bridge_mdb_entry * |
595 | br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); | |
596 | struct net_bridge_mdb_entry * | |
597 | br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, | |
598 | struct br_ip *group); | |
599 | void br_multicast_free_pg(struct rcu_head *head); | |
600 | struct net_bridge_port_group * | |
601 | br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, | |
602 | struct net_bridge_port_group __rcu *next, | |
6db6f0ea | 603 | unsigned char flags, const unsigned char *src); |
348662a1 JP |
604 | void br_mdb_init(void); |
605 | void br_mdb_uninit(void); | |
45ebcce5 ER |
606 | void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, |
607 | struct br_ip *group, int type, u8 flags); | |
949f1e39 SA |
608 | void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, |
609 | int type); | |
1080ab95 | 610 | void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, |
a65056ec | 611 | const struct sk_buff *skb, u8 type, u8 dir); |
1080ab95 NA |
612 | int br_multicast_init_stats(struct net_bridge *br); |
613 | void br_multicast_get_stats(const struct net_bridge *br, | |
614 | const struct net_bridge_port *p, | |
615 | struct br_mcast_stats *dest); | |
85b35269 | 616 | |
cfd56754 CW |
617 | #define mlock_dereference(X, br) \ |
618 | rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) | |
619 | ||
85b35269 SS |
620 | static inline bool br_multicast_is_router(struct net_bridge *br) |
621 | { | |
622 | return br->multicast_router == 2 || | |
623 | (br->multicast_router == 1 && | |
624 | timer_pending(&br->multicast_router_timer)); | |
625 | } | |
b00589af | 626 | |
cc0fdd80 LL |
627 | static inline bool |
628 | __br_multicast_querier_exists(struct net_bridge *br, | |
0888d5f3 | 629 | struct bridge_mcast_other_query *querier, |
630 | const bool is_ipv6) | |
b00589af | 631 | { |
0888d5f3 | 632 | bool own_querier_enabled; |
633 | ||
634 | if (br->multicast_querier) { | |
635 | if (is_ipv6 && !br->has_ipv6_addr) | |
636 | own_querier_enabled = false; | |
637 | else | |
638 | own_querier_enabled = true; | |
639 | } else { | |
640 | own_querier_enabled = false; | |
641 | } | |
642 | ||
cc0fdd80 | 643 | return time_is_before_jiffies(querier->delay_time) && |
0888d5f3 | 644 | (own_querier_enabled || timer_pending(&querier->timer)); |
cc0fdd80 LL |
645 | } |
646 | ||
647 | static inline bool br_multicast_querier_exists(struct net_bridge *br, | |
648 | struct ethhdr *eth) | |
649 | { | |
650 | switch (eth->h_proto) { | |
651 | case (htons(ETH_P_IP)): | |
0888d5f3 | 652 | return __br_multicast_querier_exists(br, |
653 | &br->ip4_other_query, false); | |
cc0fdd80 LL |
654 | #if IS_ENABLED(CONFIG_IPV6) |
655 | case (htons(ETH_P_IPV6)): | |
0888d5f3 | 656 | return __br_multicast_querier_exists(br, |
657 | &br->ip6_other_query, true); | |
cc0fdd80 LL |
658 | #endif |
659 | default: | |
660 | return false; | |
661 | } | |
b00589af | 662 | } |
1080ab95 NA |
663 | |
664 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
665 | { | |
666 | return BR_INPUT_SKB_CB(skb)->igmp; | |
667 | } | |
eb1d1641 HX |
668 | #else |
669 | static inline int br_multicast_rcv(struct net_bridge *br, | |
670 | struct net_bridge_port *port, | |
06499098 VY |
671 | struct sk_buff *skb, |
672 | u16 vid) | |
eb1d1641 HX |
673 | { |
674 | return 0; | |
675 | } | |
676 | ||
677 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
fbca58a2 | 678 | struct sk_buff *skb, u16 vid) |
eb1d1641 HX |
679 | { |
680 | return NULL; | |
681 | } | |
682 | ||
1080ab95 | 683 | static inline int br_multicast_add_port(struct net_bridge_port *port) |
eb1d1641 | 684 | { |
1080ab95 | 685 | return 0; |
eb1d1641 HX |
686 | } |
687 | ||
688 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
689 | { | |
690 | } | |
691 | ||
692 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
693 | { | |
694 | } | |
695 | ||
696 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
697 | { | |
698 | } | |
699 | ||
700 | static inline void br_multicast_init(struct net_bridge *br) | |
701 | { | |
702 | } | |
703 | ||
704 | static inline void br_multicast_open(struct net_bridge *br) | |
705 | { | |
706 | } | |
707 | ||
708 | static inline void br_multicast_stop(struct net_bridge *br) | |
709 | { | |
710 | } | |
5cb5e947 | 711 | |
a7ce45a7 NA |
712 | static inline void br_multicast_dev_del(struct net_bridge *br) |
713 | { | |
714 | } | |
715 | ||
37b090e6 NA |
716 | static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, |
717 | struct sk_buff *skb, | |
718 | bool local_rcv, bool local_orig) | |
5cb5e947 HX |
719 | { |
720 | } | |
721 | ||
eb1d1641 HX |
722 | static inline bool br_multicast_is_router(struct net_bridge *br) |
723 | { | |
85b35269 | 724 | return 0; |
eb1d1641 | 725 | } |
37b090e6 | 726 | |
cc0fdd80 LL |
727 | static inline bool br_multicast_querier_exists(struct net_bridge *br, |
728 | struct ethhdr *eth) | |
b00589af LL |
729 | { |
730 | return false; | |
731 | } | |
37b090e6 | 732 | |
fdb184d1 RR |
733 | static inline void br_mdb_init(void) |
734 | { | |
735 | } | |
37b090e6 | 736 | |
fdb184d1 RR |
737 | static inline void br_mdb_uninit(void) |
738 | { | |
739 | } | |
1080ab95 NA |
740 | |
741 | static inline void br_multicast_count(struct net_bridge *br, | |
742 | const struct net_bridge_port *p, | |
a65056ec NA |
743 | const struct sk_buff *skb, |
744 | u8 type, u8 dir) | |
1080ab95 NA |
745 | { |
746 | } | |
747 | ||
748 | static inline int br_multicast_init_stats(struct net_bridge *br) | |
749 | { | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static inline int br_multicast_igmp_type(const struct sk_buff *skb) | |
754 | { | |
755 | return 0; | |
756 | } | |
85b35269 | 757 | #endif |
eb1d1641 | 758 | |
243a2e63 VY |
759 | /* br_vlan.c */ |
760 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
77751ee8 NA |
761 | bool br_allowed_ingress(const struct net_bridge *br, |
762 | struct net_bridge_vlan_group *vg, struct sk_buff *skb, | |
763 | u16 *vid); | |
764 | bool br_allowed_egress(struct net_bridge_vlan_group *vg, | |
348662a1 | 765 | const struct sk_buff *skb); |
e0d7968a | 766 | bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); |
348662a1 | 767 | struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 768 | struct net_bridge_vlan_group *vg, |
348662a1 JP |
769 | struct sk_buff *skb); |
770 | int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); | |
771 | int br_vlan_delete(struct net_bridge *br, u16 vid); | |
772 | void br_vlan_flush(struct net_bridge *br); | |
2594e906 | 773 | struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); |
204177f3 | 774 | void br_recalculate_fwd_mask(struct net_bridge *br); |
a7854037 | 775 | int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
348662a1 | 776 | int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
d2d427b3 | 777 | int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); |
204177f3 | 778 | int br_vlan_set_proto(struct net_bridge *br, unsigned long val); |
6dada9b1 | 779 | int br_vlan_set_stats(struct net_bridge *br, unsigned long val); |
5be5a2df | 780 | int br_vlan_init(struct net_bridge *br); |
96a20d9d | 781 | int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); |
0f963b75 | 782 | int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); |
348662a1 JP |
783 | int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); |
784 | int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); | |
785 | void nbp_vlan_flush(struct net_bridge_port *port); | |
5be5a2df | 786 | int nbp_vlan_init(struct net_bridge_port *port); |
2594e906 | 787 | int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); |
a60c0903 NA |
788 | void br_vlan_get_stats(const struct net_bridge_vlan *v, |
789 | struct br_vlan_stats *stats); | |
a37b85c9 | 790 | |
2594e906 NA |
791 | static inline struct net_bridge_vlan_group *br_vlan_group( |
792 | const struct net_bridge *br) | |
a37b85c9 | 793 | { |
907b1e6e | 794 | return rtnl_dereference(br->vlgrp); |
a37b85c9 VY |
795 | } |
796 | ||
2594e906 NA |
797 | static inline struct net_bridge_vlan_group *nbp_vlan_group( |
798 | const struct net_bridge_port *p) | |
a37b85c9 | 799 | { |
907b1e6e NA |
800 | return rtnl_dereference(p->vlgrp); |
801 | } | |
802 | ||
803 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
804 | const struct net_bridge *br) | |
805 | { | |
806 | return rcu_dereference(br->vlgrp); | |
807 | } | |
808 | ||
809 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
810 | const struct net_bridge_port *p) | |
811 | { | |
812 | return rcu_dereference(p->vlgrp); | |
a37b85c9 VY |
813 | } |
814 | ||
815 | /* Since bridge now depends on 8021Q module, but the time bridge sees the | |
816 | * skb, the vlan tag will always be present if the frame was tagged. | |
817 | */ | |
818 | static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) | |
819 | { | |
820 | int err = 0; | |
821 | ||
2594e906 | 822 | if (skb_vlan_tag_present(skb)) { |
df8a39de | 823 | *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; |
2594e906 | 824 | } else { |
a37b85c9 VY |
825 | *vid = 0; |
826 | err = -EINVAL; | |
827 | } | |
828 | ||
829 | return err; | |
830 | } | |
78851988 | 831 | |
77751ee8 | 832 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
2594e906 | 833 | { |
77751ee8 | 834 | if (!vg) |
2594e906 NA |
835 | return 0; |
836 | ||
837 | smp_rmb(); | |
77751ee8 | 838 | return vg->pvid; |
78851988 VY |
839 | } |
840 | ||
2796d0c6 VY |
841 | static inline int br_vlan_enabled(struct net_bridge *br) |
842 | { | |
843 | return br->vlan_enabled; | |
844 | } | |
243a2e63 | 845 | #else |
77751ee8 NA |
846 | static inline bool br_allowed_ingress(const struct net_bridge *br, |
847 | struct net_bridge_vlan_group *vg, | |
78851988 VY |
848 | struct sk_buff *skb, |
849 | u16 *vid) | |
a37b85c9 VY |
850 | { |
851 | return true; | |
852 | } | |
853 | ||
2594e906 | 854 | static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, |
85f46c6b VY |
855 | const struct sk_buff *skb) |
856 | { | |
857 | return true; | |
858 | } | |
859 | ||
e0d7968a TM |
860 | static inline bool br_should_learn(struct net_bridge_port *p, |
861 | struct sk_buff *skb, u16 *vid) | |
862 | { | |
863 | return true; | |
864 | } | |
865 | ||
78851988 | 866 | static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 867 | struct net_bridge_vlan_group *vg, |
78851988 VY |
868 | struct sk_buff *skb) |
869 | { | |
870 | return skb; | |
871 | } | |
872 | ||
552406c4 | 873 | static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) |
243a2e63 VY |
874 | { |
875 | return -EOPNOTSUPP; | |
876 | } | |
877 | ||
878 | static inline int br_vlan_delete(struct net_bridge *br, u16 vid) | |
879 | { | |
880 | return -EOPNOTSUPP; | |
881 | } | |
882 | ||
883 | static inline void br_vlan_flush(struct net_bridge *br) | |
884 | { | |
885 | } | |
886 | ||
204177f3 TM |
887 | static inline void br_recalculate_fwd_mask(struct net_bridge *br) |
888 | { | |
889 | } | |
890 | ||
5be5a2df | 891 | static inline int br_vlan_init(struct net_bridge *br) |
8580e211 | 892 | { |
5be5a2df | 893 | return 0; |
8580e211 TM |
894 | } |
895 | ||
552406c4 | 896 | static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) |
243a2e63 VY |
897 | { |
898 | return -EOPNOTSUPP; | |
899 | } | |
900 | ||
901 | static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) | |
902 | { | |
903 | return -EOPNOTSUPP; | |
904 | } | |
905 | ||
906 | static inline void nbp_vlan_flush(struct net_bridge_port *port) | |
907 | { | |
908 | } | |
909 | ||
2594e906 NA |
910 | static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, |
911 | u16 vid) | |
a37b85c9 VY |
912 | { |
913 | return NULL; | |
914 | } | |
915 | ||
2594e906 | 916 | static inline int nbp_vlan_init(struct net_bridge_port *port) |
bc9a25d2 | 917 | { |
2594e906 | 918 | return 0; |
bc9a25d2 VY |
919 | } |
920 | ||
2594e906 | 921 | static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) |
5be5a2df VY |
922 | { |
923 | return 0; | |
924 | } | |
925 | ||
77751ee8 | 926 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
78851988 | 927 | { |
3df6bf45 | 928 | return 0; |
78851988 | 929 | } |
2796d0c6 | 930 | |
d4f0e095 | 931 | static inline int br_vlan_enabled(struct net_bridge *br) |
2796d0c6 VY |
932 | { |
933 | return 0; | |
934 | } | |
a7854037 NA |
935 | |
936 | static inline int __br_vlan_filter_toggle(struct net_bridge *br, | |
937 | unsigned long val) | |
938 | { | |
939 | return -EOPNOTSUPP; | |
940 | } | |
2594e906 NA |
941 | |
942 | static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, | |
943 | u32 filter_mask) | |
944 | { | |
945 | return 0; | |
946 | } | |
947 | ||
948 | static inline struct net_bridge_vlan_group *br_vlan_group( | |
949 | const struct net_bridge *br) | |
950 | { | |
951 | return NULL; | |
952 | } | |
953 | ||
954 | static inline struct net_bridge_vlan_group *nbp_vlan_group( | |
955 | const struct net_bridge_port *p) | |
956 | { | |
957 | return NULL; | |
958 | } | |
907b1e6e NA |
959 | |
960 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
961 | const struct net_bridge *br) | |
962 | { | |
963 | return NULL; | |
964 | } | |
965 | ||
966 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
967 | const struct net_bridge_port *p) | |
968 | { | |
969 | return NULL; | |
970 | } | |
a60c0903 NA |
971 | |
972 | static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, | |
973 | struct br_vlan_stats *stats) | |
974 | { | |
975 | } | |
243a2e63 VY |
976 | #endif |
977 | ||
1a4ba64d PNA |
978 | struct nf_br_ops { |
979 | int (*br_dev_xmit_hook)(struct sk_buff *skb); | |
980 | }; | |
981 | extern const struct nf_br_ops __rcu *nf_br_ops; | |
982 | ||
1da177e4 | 983 | /* br_netfilter.c */ |
34666d46 PNA |
984 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
985 | int br_nf_core_init(void); | |
986 | void br_nf_core_fini(void); | |
348662a1 | 987 | void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 | 988 | #else |
34666d46 PNA |
989 | static inline int br_nf_core_init(void) { return 0; } |
990 | static inline void br_nf_core_fini(void) {} | |
4adf0af6 | 991 | #define br_netfilter_rtable_init(x) |
c0909713 | 992 | #endif |
1da177e4 LT |
993 | |
994 | /* br_stp.c */ | |
775dd692 | 995 | void br_set_state(struct net_bridge_port *p, unsigned int state); |
348662a1 JP |
996 | struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); |
997 | void br_init_port(struct net_bridge_port *p); | |
998 | void br_become_designated_port(struct net_bridge_port *p); | |
1da177e4 | 999 | |
348662a1 JP |
1000 | void __br_set_forward_delay(struct net_bridge *br, unsigned long t); |
1001 | int br_set_forward_delay(struct net_bridge *br, unsigned long x); | |
1002 | int br_set_hello_time(struct net_bridge *br, unsigned long x); | |
1003 | int br_set_max_age(struct net_bridge *br, unsigned long x); | |
82dd4332 | 1004 | int __set_ageing_time(struct net_device *dev, unsigned long t); |
9e0b27fe | 1005 | int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); |
14f98f25 | 1006 | |
1007 | ||
1da177e4 | 1008 | /* br_stp_if.c */ |
348662a1 JP |
1009 | void br_stp_enable_bridge(struct net_bridge *br); |
1010 | void br_stp_disable_bridge(struct net_bridge *br); | |
1011 | void br_stp_set_enabled(struct net_bridge *br, unsigned long val); | |
1012 | void br_stp_enable_port(struct net_bridge_port *p); | |
1013 | void br_stp_disable_port(struct net_bridge_port *p); | |
1014 | bool br_stp_recalculate_bridge_id(struct net_bridge *br); | |
1015 | void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); | |
1016 | void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); | |
1017 | int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); | |
1018 | int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); | |
1019 | ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
1da177e4 LT |
1020 | |
1021 | /* br_stp_bpdu.c */ | |
7c85fbf0 | 1022 | struct stp_proto; |
348662a1 JP |
1023 | void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, |
1024 | struct net_device *dev); | |
1da177e4 LT |
1025 | |
1026 | /* br_stp_timer.c */ | |
348662a1 JP |
1027 | void br_stp_timer_init(struct net_bridge *br); |
1028 | void br_stp_port_timer_init(struct net_bridge_port *p); | |
1029 | unsigned long br_timer_value(const struct timer_list *timer); | |
1da177e4 LT |
1030 | |
1031 | /* br.c */ | |
e6373c4c | 1032 | #if IS_ENABLED(CONFIG_ATM_LANE) |
da678292 MM |
1033 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); |
1034 | #endif | |
1da177e4 | 1035 | |
11dc1f36 | 1036 | /* br_netlink.c */ |
149ddd83 | 1037 | extern struct rtnl_link_ops br_link_ops; |
348662a1 JP |
1038 | int br_netlink_init(void); |
1039 | void br_netlink_fini(void); | |
1040 | void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
add511b3 RP |
1041 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); |
1042 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); | |
348662a1 | 1043 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, |
46c264da | 1044 | u32 filter_mask, int nlflags); |
11dc1f36 | 1045 | |
1da177e4 LT |
1046 | #ifdef CONFIG_SYSFS |
1047 | /* br_sysfs_if.c */ | |
52cf25d0 | 1048 | extern const struct sysfs_ops brport_sysfs_ops; |
348662a1 JP |
1049 | int br_sysfs_addif(struct net_bridge_port *p); |
1050 | int br_sysfs_renameif(struct net_bridge_port *p); | |
1da177e4 LT |
1051 | |
1052 | /* br_sysfs_br.c */ | |
348662a1 JP |
1053 | int br_sysfs_addbr(struct net_device *dev); |
1054 | void br_sysfs_delbr(struct net_device *dev); | |
1da177e4 LT |
1055 | |
1056 | #else | |
1057 | ||
0cb2bbbe LJ |
1058 | static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } |
1059 | static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } | |
1060 | static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } | |
1061 | static inline void br_sysfs_delbr(struct net_device *dev) { return; } | |
1da177e4 LT |
1062 | #endif /* CONFIG_SYSFS */ |
1063 | ||
6bc506b4 IS |
1064 | /* br_switchdev.c */ |
1065 | #ifdef CONFIG_NET_SWITCHDEV | |
1066 | int nbp_switchdev_mark_set(struct net_bridge_port *p); | |
1067 | void nbp_switchdev_frame_mark(const struct net_bridge_port *p, | |
1068 | struct sk_buff *skb); | |
1069 | bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, | |
1070 | const struct sk_buff *skb); | |
1071 | #else | |
1072 | static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) | |
1073 | { | |
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, | |
1078 | struct sk_buff *skb) | |
1079 | { | |
1080 | } | |
1081 | ||
1082 | static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, | |
1083 | const struct sk_buff *skb) | |
1084 | { | |
1085 | return true; | |
1086 | } | |
1087 | #endif /* CONFIG_NET_SWITCHDEV */ | |
1088 | ||
1da177e4 | 1089 | #endif |