Commit | Line | Data |
---|---|---|
11dc1f36 SH |
1 | /* |
2 | * Bridge netlink control interface | |
3 | * | |
4 | * Authors: | |
5 | * Stephen Hemminger <shemminger@osdl.org> | |
6 | * | |
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 | #include <linux/kernel.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
bb900b27 | 15 | #include <linux/etherdevice.h> |
32fe21c0 | 16 | #include <net/rtnetlink.h> |
881d966b | 17 | #include <net/net_namespace.h> |
b854272b | 18 | #include <net/sock.h> |
407af329 | 19 | #include <uapi/linux/if_bridge.h> |
bb900b27 | 20 | |
11dc1f36 | 21 | #include "br_private.h" |
b03b6dd5 | 22 | #include "br_private_stp.h" |
efa5356b | 23 | #include "br_private_tunnel.h" |
11dc1f36 | 24 | |
2594e906 | 25 | static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 26 | u32 filter_mask) |
fed0a159 | 27 | { |
2594e906 NA |
28 | struct net_bridge_vlan *v; |
29 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 30 | u16 flags, pvid; |
fed0a159 RP |
31 | int num_vlans = 0; |
32 | ||
fed0a159 RP |
33 | if (!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
34 | return 0; | |
35 | ||
77751ee8 | 36 | pvid = br_get_pvid(vg); |
2594e906 | 37 | /* Count number of vlan infos */ |
586c2b57 | 38 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
fed0a159 | 39 | flags = 0; |
2594e906 NA |
40 | /* only a context, bridge vlan not activated */ |
41 | if (!br_vlan_should_use(v)) | |
42 | continue; | |
43 | if (v->vid == pvid) | |
fed0a159 RP |
44 | flags |= BRIDGE_VLAN_INFO_PVID; |
45 | ||
2594e906 | 46 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
fed0a159 RP |
47 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
48 | ||
49 | if (vid_range_start == 0) { | |
50 | goto initvars; | |
2594e906 | 51 | } else if ((v->vid - vid_range_end) == 1 && |
fed0a159 | 52 | flags == vid_range_flags) { |
2594e906 | 53 | vid_range_end = v->vid; |
fed0a159 RP |
54 | continue; |
55 | } else { | |
56 | if ((vid_range_end - vid_range_start) > 0) | |
57 | num_vlans += 2; | |
58 | else | |
59 | num_vlans += 1; | |
60 | } | |
61 | initvars: | |
2594e906 NA |
62 | vid_range_start = v->vid; |
63 | vid_range_end = v->vid; | |
fed0a159 RP |
64 | vid_range_flags = flags; |
65 | } | |
66 | ||
67 | if (vid_range_start != 0) { | |
68 | if ((vid_range_end - vid_range_start) > 0) | |
69 | num_vlans += 2; | |
70 | else | |
71 | num_vlans += 1; | |
72 | } | |
73 | ||
74 | return num_vlans; | |
75 | } | |
76 | ||
2594e906 | 77 | static int br_get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 78 | u32 filter_mask) |
2594e906 | 79 | { |
586c2b57 NA |
80 | int num_vlans; |
81 | ||
2594e906 NA |
82 | if (!vg) |
83 | return 0; | |
84 | ||
85 | if (filter_mask & RTEXT_FILTER_BRVLAN) | |
86 | return vg->num_vlans; | |
87 | ||
586c2b57 NA |
88 | rcu_read_lock(); |
89 | num_vlans = __get_num_vlan_infos(vg, filter_mask); | |
90 | rcu_read_unlock(); | |
91 | ||
92 | return num_vlans; | |
2594e906 NA |
93 | } |
94 | ||
fed0a159 RP |
95 | static size_t br_get_link_af_size_filtered(const struct net_device *dev, |
96 | u32 filter_mask) | |
b7853d73 | 97 | { |
2594e906 | 98 | struct net_bridge_vlan_group *vg = NULL; |
efa5356b | 99 | struct net_bridge_port *p = NULL; |
2594e906 | 100 | struct net_bridge *br; |
fed0a159 | 101 | int num_vlan_infos; |
efa5356b | 102 | size_t vinfo_sz = 0; |
b7853d73 | 103 | |
2f56f6be | 104 | rcu_read_lock(); |
2594e906 NA |
105 | if (br_port_exists(dev)) { |
106 | p = br_port_get_rcu(dev); | |
907b1e6e | 107 | vg = nbp_vlan_group_rcu(p); |
2594e906 NA |
108 | } else if (dev->priv_flags & IFF_EBRIDGE) { |
109 | br = netdev_priv(dev); | |
907b1e6e | 110 | vg = br_vlan_group_rcu(br); |
2594e906 | 111 | } |
77751ee8 | 112 | num_vlan_infos = br_get_num_vlan_infos(vg, filter_mask); |
2f56f6be | 113 | rcu_read_unlock(); |
b7853d73 | 114 | |
efa5356b RP |
115 | if (p && (p->flags & BR_VLAN_TUNNEL)) |
116 | vinfo_sz += br_get_vlan_tunnel_info_size(vg); | |
117 | ||
b7853d73 | 118 | /* Each VLAN is returned in bridge_vlan_info along with flags */ |
efa5356b RP |
119 | vinfo_sz += num_vlan_infos * nla_total_size(sizeof(struct bridge_vlan_info)); |
120 | ||
121 | return vinfo_sz; | |
b7853d73 RP |
122 | } |
123 | ||
25c71c75 | 124 | static inline size_t br_port_info_size(void) |
125 | { | |
126 | return nla_total_size(1) /* IFLA_BRPORT_STATE */ | |
127 | + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ | |
128 | + nla_total_size(4) /* IFLA_BRPORT_COST */ | |
129 | + nla_total_size(1) /* IFLA_BRPORT_MODE */ | |
a2e01a65 | 130 | + nla_total_size(1) /* IFLA_BRPORT_GUARD */ |
1007dd1a | 131 | + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ |
3da889b6 | 132 | + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ |
6db6f0ea | 133 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */ |
9ba18891 | 134 | + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ |
867a5943 | 135 | + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ |
9051247d TK |
136 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */ |
137 | + nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */ | |
355b9f9d | 138 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ |
786c2077 | 139 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ |
efa5356b | 140 | + nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */ |
821f1b21 | 141 | + nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */ |
7d850abd | 142 | + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */ |
4ebc7660 | 143 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ |
80df9a26 | 144 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ |
96f94e7f NA |
145 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ |
146 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ | |
42d452c4 NA |
147 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ |
148 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ | |
e08e838a NA |
149 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ |
150 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ | |
12a0faa3 ND |
151 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
152 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ | |
153 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ | |
5d6ae479 NA |
154 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
155 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ | |
156 | #endif | |
5af48b59 | 157 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */ |
25c71c75 | 158 | + 0; |
159 | } | |
160 | ||
fed0a159 | 161 | static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) |
339bf98f TG |
162 | { |
163 | return NLMSG_ALIGN(sizeof(struct ifinfomsg)) | |
25c71c75 | 164 | + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ |
165 | + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ | |
166 | + nla_total_size(4) /* IFLA_MASTER */ | |
167 | + nla_total_size(4) /* IFLA_MTU */ | |
168 | + nla_total_size(4) /* IFLA_LINK */ | |
169 | + nla_total_size(1) /* IFLA_OPERSTATE */ | |
b7853d73 | 170 | + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */ |
fed0a159 | 171 | + nla_total_size(br_get_link_af_size_filtered(dev, |
2756f68c NA |
172 | filter_mask)) /* IFLA_AF_SPEC */ |
173 | + nla_total_size(4); /* IFLA_BRPORT_BACKUP_PORT */ | |
25c71c75 | 174 | } |
175 | ||
176 | static int br_port_fill_attrs(struct sk_buff *skb, | |
177 | const struct net_bridge_port *p) | |
178 | { | |
179 | u8 mode = !!(p->flags & BR_HAIRPIN_MODE); | |
2756f68c | 180 | struct net_bridge_port *backup_p; |
61c0a9a8 | 181 | u64 timerval; |
25c71c75 | 182 | |
183 | if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) || | |
184 | nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) || | |
185 | nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || | |
a2e01a65 | 186 | nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || |
1007dd1a | 187 | nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || |
b6cb5ac8 NA |
188 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, |
189 | !!(p->flags & BR_ROOT_BLOCK)) || | |
190 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, | |
191 | !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || | |
6db6f0ea FF |
192 | nla_put_u8(skb, IFLA_BRPORT_MCAST_TO_UCAST, |
193 | !!(p->flags & BR_MULTICAST_TO_UNICAST)) || | |
867a5943 | 194 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
b6cb5ac8 NA |
195 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, |
196 | !!(p->flags & BR_FLOOD)) || | |
197 | nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, | |
198 | !!(p->flags & BR_MCAST_FLOOD)) || | |
99f906e9 MM |
199 | nla_put_u8(skb, IFLA_BRPORT_BCAST_FLOOD, |
200 | !!(p->flags & BR_BCAST_FLOOD)) || | |
842a9ae0 JM |
201 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
202 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, | |
4ebc7660 NA |
203 | !!(p->flags & BR_PROXYARP_WIFI)) || |
204 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), | |
80df9a26 NA |
205 | &p->designated_root) || |
206 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
96f94e7f NA |
207 | &p->designated_bridge) || |
208 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || | |
42d452c4 NA |
209 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
210 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || | |
e08e838a NA |
211 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
212 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
213 | p->topology_change_ack) || | |
efa5356b RP |
214 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending) || |
215 | nla_put_u8(skb, IFLA_BRPORT_VLAN_TUNNEL, !!(p->flags & | |
5af48b59 | 216 | BR_VLAN_TUNNEL)) || |
821f1b21 RP |
217 | nla_put_u16(skb, IFLA_BRPORT_GROUP_FWD_MASK, p->group_fwd_mask) || |
218 | nla_put_u8(skb, IFLA_BRPORT_NEIGH_SUPPRESS, | |
7d850abd NA |
219 | !!(p->flags & BR_NEIGH_SUPPRESS)) || |
220 | nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED))) | |
25c71c75 | 221 | return -EMSGSIZE; |
222 | ||
61c0a9a8 | 223 | timerval = br_timer_value(&p->message_age_timer); |
12a0faa3 ND |
224 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, |
225 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
226 | return -EMSGSIZE; |
227 | timerval = br_timer_value(&p->forward_delay_timer); | |
12a0faa3 ND |
228 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, |
229 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
230 | return -EMSGSIZE; |
231 | timerval = br_timer_value(&p->hold_timer); | |
12a0faa3 ND |
232 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, |
233 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
234 | return -EMSGSIZE; |
235 | ||
5d6ae479 NA |
236 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
237 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, | |
238 | p->multicast_router)) | |
239 | return -EMSGSIZE; | |
240 | #endif | |
241 | ||
2756f68c NA |
242 | /* we might be called only with br->lock */ |
243 | rcu_read_lock(); | |
244 | backup_p = rcu_dereference(p->backup_port); | |
245 | if (backup_p) | |
246 | nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT, | |
247 | backup_p->dev->ifindex); | |
248 | rcu_read_unlock(); | |
249 | ||
25c71c75 | 250 | return 0; |
339bf98f TG |
251 | } |
252 | ||
36cd0ffb RP |
253 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
254 | u16 vid_end, u16 flags) | |
255 | { | |
256 | struct bridge_vlan_info vinfo; | |
257 | ||
258 | if ((vid_end - vid_start) > 0) { | |
259 | /* add range to skb */ | |
260 | vinfo.vid = vid_start; | |
261 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; | |
262 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
263 | sizeof(vinfo), &vinfo)) | |
264 | goto nla_put_failure; | |
265 | ||
36cd0ffb RP |
266 | vinfo.vid = vid_end; |
267 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; | |
268 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
269 | sizeof(vinfo), &vinfo)) | |
270 | goto nla_put_failure; | |
271 | } else { | |
272 | vinfo.vid = vid_start; | |
273 | vinfo.flags = flags; | |
274 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
275 | sizeof(vinfo), &vinfo)) | |
276 | goto nla_put_failure; | |
277 | } | |
278 | ||
279 | return 0; | |
280 | ||
281 | nla_put_failure: | |
282 | return -EMSGSIZE; | |
283 | } | |
284 | ||
285 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, | |
77751ee8 | 286 | struct net_bridge_vlan_group *vg) |
36cd0ffb | 287 | { |
2594e906 NA |
288 | struct net_bridge_vlan *v; |
289 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 290 | u16 flags, pvid; |
36cd0ffb RP |
291 | int err = 0; |
292 | ||
293 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan | |
294 | * and mark vlan info with begin and end flags | |
295 | * if vlaninfo represents a range | |
296 | */ | |
77751ee8 | 297 | pvid = br_get_pvid(vg); |
e9c953ef | 298 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
36cd0ffb | 299 | flags = 0; |
2594e906 NA |
300 | if (!br_vlan_should_use(v)) |
301 | continue; | |
302 | if (v->vid == pvid) | |
36cd0ffb RP |
303 | flags |= BRIDGE_VLAN_INFO_PVID; |
304 | ||
2594e906 | 305 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
306 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
307 | ||
308 | if (vid_range_start == 0) { | |
309 | goto initvars; | |
2594e906 | 310 | } else if ((v->vid - vid_range_end) == 1 && |
36cd0ffb | 311 | flags == vid_range_flags) { |
2594e906 | 312 | vid_range_end = v->vid; |
36cd0ffb RP |
313 | continue; |
314 | } else { | |
315 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
316 | vid_range_end, | |
317 | vid_range_flags); | |
318 | if (err) | |
319 | return err; | |
320 | } | |
321 | ||
322 | initvars: | |
2594e906 NA |
323 | vid_range_start = v->vid; |
324 | vid_range_end = v->vid; | |
36cd0ffb RP |
325 | vid_range_flags = flags; |
326 | } | |
327 | ||
0fe6de49 RP |
328 | if (vid_range_start != 0) { |
329 | /* Call it once more to send any left over vlans */ | |
330 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
331 | vid_range_end, | |
332 | vid_range_flags); | |
333 | if (err) | |
334 | return err; | |
335 | } | |
36cd0ffb RP |
336 | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int br_fill_ifvlaninfo(struct sk_buff *skb, | |
77751ee8 | 341 | struct net_bridge_vlan_group *vg) |
36cd0ffb RP |
342 | { |
343 | struct bridge_vlan_info vinfo; | |
2594e906 | 344 | struct net_bridge_vlan *v; |
77751ee8 | 345 | u16 pvid; |
36cd0ffb | 346 | |
77751ee8 | 347 | pvid = br_get_pvid(vg); |
e9c953ef | 348 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
2594e906 NA |
349 | if (!br_vlan_should_use(v)) |
350 | continue; | |
351 | ||
352 | vinfo.vid = v->vid; | |
36cd0ffb | 353 | vinfo.flags = 0; |
2594e906 | 354 | if (v->vid == pvid) |
36cd0ffb RP |
355 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
356 | ||
2594e906 | 357 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
358 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
359 | ||
360 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
361 | sizeof(vinfo), &vinfo)) | |
362 | goto nla_put_failure; | |
363 | } | |
364 | ||
365 | return 0; | |
366 | ||
367 | nla_put_failure: | |
368 | return -EMSGSIZE; | |
369 | } | |
370 | ||
11dc1f36 SH |
371 | /* |
372 | * Create one netlink message for one interface | |
373 | * Contains port and master info as well as carrier and bridge state. | |
374 | */ | |
6cbdceeb | 375 | static int br_fill_ifinfo(struct sk_buff *skb, |
92899063 | 376 | const struct net_bridge_port *port, |
6cbdceeb VY |
377 | u32 pid, u32 seq, int event, unsigned int flags, |
378 | u32 filter_mask, const struct net_device *dev) | |
11dc1f36 | 379 | { |
92899063 | 380 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
2594e906 | 381 | struct net_bridge *br; |
74685962 | 382 | struct ifinfomsg *hdr; |
11dc1f36 | 383 | struct nlmsghdr *nlh; |
11dc1f36 | 384 | |
6cbdceeb VY |
385 | if (port) |
386 | br = port->br; | |
387 | else | |
388 | br = netdev_priv(dev); | |
389 | ||
28a16c97 | 390 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
391 | event, dev->name, br->dev->name); | |
11dc1f36 | 392 | |
74685962 TG |
393 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
394 | if (nlh == NULL) | |
26932566 | 395 | return -EMSGSIZE; |
11dc1f36 | 396 | |
74685962 TG |
397 | hdr = nlmsg_data(nlh); |
398 | hdr->ifi_family = AF_BRIDGE; | |
399 | hdr->__ifi_pad = 0; | |
400 | hdr->ifi_type = dev->type; | |
401 | hdr->ifi_index = dev->ifindex; | |
402 | hdr->ifi_flags = dev_get_flags(dev); | |
403 | hdr->ifi_change = 0; | |
11dc1f36 | 404 | |
2eb812e6 DM |
405 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
406 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || | |
407 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || | |
408 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || | |
409 | (dev->addr_len && | |
410 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || | |
a54acb3a ND |
411 | (dev->ifindex != dev_get_iflink(dev) && |
412 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) | |
2eb812e6 | 413 | goto nla_put_failure; |
25c71c75 | 414 | |
6cbdceeb | 415 | if (event == RTM_NEWLINK && port) { |
25c71c75 | 416 | struct nlattr *nest |
417 | = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED); | |
418 | ||
419 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) | |
420 | goto nla_put_failure; | |
421 | nla_nest_end(skb, nest); | |
422 | } | |
423 | ||
6cbdceeb | 424 | /* Check if the VID information is requested */ |
36cd0ffb RP |
425 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
426 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { | |
2594e906 | 427 | struct net_bridge_vlan_group *vg; |
36cd0ffb RP |
428 | struct nlattr *af; |
429 | int err; | |
6cbdceeb | 430 | |
e9c953ef NA |
431 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
432 | rcu_read_lock(); | |
77751ee8 | 433 | if (port) |
e9c953ef | 434 | vg = nbp_vlan_group_rcu(port); |
77751ee8 | 435 | else |
e9c953ef | 436 | vg = br_vlan_group_rcu(br); |
6cbdceeb | 437 | |
e9c953ef NA |
438 | if (!vg || !vg->num_vlans) { |
439 | rcu_read_unlock(); | |
6cbdceeb | 440 | goto done; |
e9c953ef | 441 | } |
6cbdceeb | 442 | af = nla_nest_start(skb, IFLA_AF_SPEC); |
e9c953ef NA |
443 | if (!af) { |
444 | rcu_read_unlock(); | |
6cbdceeb | 445 | goto nla_put_failure; |
e9c953ef | 446 | } |
36cd0ffb | 447 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
77751ee8 | 448 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
36cd0ffb | 449 | else |
77751ee8 | 450 | err = br_fill_ifvlaninfo(skb, vg); |
efa5356b RP |
451 | |
452 | if (port && (port->flags & BR_VLAN_TUNNEL)) | |
453 | err = br_fill_vlan_tunnel_info(skb, vg); | |
e9c953ef | 454 | rcu_read_unlock(); |
36cd0ffb RP |
455 | if (err) |
456 | goto nla_put_failure; | |
6cbdceeb VY |
457 | nla_nest_end(skb, af); |
458 | } | |
459 | ||
460 | done: | |
053c095a JB |
461 | nlmsg_end(skb, nlh); |
462 | return 0; | |
11dc1f36 | 463 | |
74685962 | 464 | nla_put_failure: |
26932566 PM |
465 | nlmsg_cancel(skb, nlh); |
466 | return -EMSGSIZE; | |
11dc1f36 SH |
467 | } |
468 | ||
92899063 NA |
469 | /* Notify listeners of a change in bridge or port information */ |
470 | void br_ifinfo_notify(int event, const struct net_bridge *br, | |
471 | const struct net_bridge_port *port) | |
11dc1f36 | 472 | { |
92899063 NA |
473 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; |
474 | struct net_device *dev; | |
11dc1f36 | 475 | struct sk_buff *skb; |
280a306c | 476 | int err = -ENOBUFS; |
92899063 NA |
477 | struct net *net; |
478 | u16 port_no = 0; | |
11dc1f36 | 479 | |
92899063 | 480 | if (WARN_ON(!port && !br)) |
407af329 VY |
481 | return; |
482 | ||
92899063 NA |
483 | if (port) { |
484 | dev = port->dev; | |
485 | br = port->br; | |
486 | port_no = port->port_no; | |
487 | } else { | |
488 | dev = br->dev; | |
489 | } | |
490 | ||
491 | net = dev_net(dev); | |
492 | br_debug(br, "port %u(%s) event %d\n", port_no, dev->name, event); | |
28a16c97 | 493 | |
92899063 | 494 | skb = nlmsg_new(br_nlmsg_size(dev, filter), GFP_ATOMIC); |
280a306c TG |
495 | if (skb == NULL) |
496 | goto errout; | |
497 | ||
92899063 | 498 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, dev); |
26932566 PM |
499 | if (err < 0) { |
500 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ | |
501 | WARN_ON(err == -EMSGSIZE); | |
502 | kfree_skb(skb); | |
503 | goto errout; | |
504 | } | |
1ce85fe4 PNA |
505 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
506 | return; | |
280a306c | 507 | errout: |
87e823b3 | 508 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
11dc1f36 SH |
509 | } |
510 | ||
511 | /* | |
512 | * Dump information about all ports, in response to GETLINK | |
513 | */ | |
e5a55a89 | 514 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
46c264da | 515 | struct net_device *dev, u32 filter_mask, int nlflags) |
11dc1f36 | 516 | { |
1fb1754a | 517 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
e5a55a89 | 518 | |
36cd0ffb RP |
519 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
520 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) | |
1b846f92 | 521 | return 0; |
11dc1f36 | 522 | |
46c264da | 523 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
1b846f92 | 524 | filter_mask, dev); |
11dc1f36 SH |
525 | } |
526 | ||
bdced7ef | 527 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
169327d5 PM |
528 | int cmd, struct bridge_vlan_info *vinfo, bool *changed, |
529 | struct netlink_ext_ack *extack) | |
bdced7ef | 530 | { |
f418af63 | 531 | bool curr_change; |
bdced7ef RP |
532 | int err = 0; |
533 | ||
534 | switch (cmd) { | |
535 | case RTM_SETLINK: | |
536 | if (p) { | |
2594e906 NA |
537 | /* if the MASTER flag is set this will act on the global |
538 | * per-VLAN entry as well | |
539 | */ | |
f418af63 | 540 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags, |
169327d5 | 541 | &curr_change, extack); |
bdced7ef | 542 | } else { |
2594e906 | 543 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
f418af63 | 544 | err = br_vlan_add(br, vinfo->vid, vinfo->flags, |
169327d5 | 545 | &curr_change, extack); |
bdced7ef | 546 | } |
f418af63 | 547 | if (curr_change) |
e19b42a1 | 548 | *changed = true; |
bdced7ef RP |
549 | break; |
550 | ||
551 | case RTM_DELLINK: | |
552 | if (p) { | |
e19b42a1 NA |
553 | if (!nbp_vlan_delete(p, vinfo->vid)) |
554 | *changed = true; | |
555 | ||
556 | if ((vinfo->flags & BRIDGE_VLAN_INFO_MASTER) && | |
557 | !br_vlan_delete(p->br, vinfo->vid)) | |
558 | *changed = true; | |
559 | } else if (!br_vlan_delete(br, vinfo->vid)) { | |
560 | *changed = true; | |
bdced7ef RP |
561 | } |
562 | break; | |
563 | } | |
564 | ||
565 | return err; | |
566 | } | |
407af329 | 567 | |
efa5356b RP |
568 | static int br_process_vlan_info(struct net_bridge *br, |
569 | struct net_bridge_port *p, int cmd, | |
570 | struct bridge_vlan_info *vinfo_curr, | |
e19b42a1 | 571 | struct bridge_vlan_info **vinfo_last, |
169327d5 PM |
572 | bool *changed, |
573 | struct netlink_ext_ack *extack) | |
efa5356b RP |
574 | { |
575 | if (!vinfo_curr->vid || vinfo_curr->vid >= VLAN_VID_MASK) | |
576 | return -EINVAL; | |
577 | ||
578 | if (vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { | |
579 | /* check if we are already processing a range */ | |
580 | if (*vinfo_last) | |
581 | return -EINVAL; | |
582 | *vinfo_last = vinfo_curr; | |
583 | /* don't allow range of pvids */ | |
584 | if ((*vinfo_last)->flags & BRIDGE_VLAN_INFO_PVID) | |
585 | return -EINVAL; | |
586 | return 0; | |
587 | } | |
588 | ||
589 | if (*vinfo_last) { | |
590 | struct bridge_vlan_info tmp_vinfo; | |
591 | int v, err; | |
592 | ||
593 | if (!(vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_END)) | |
594 | return -EINVAL; | |
595 | ||
596 | if (vinfo_curr->vid <= (*vinfo_last)->vid) | |
597 | return -EINVAL; | |
598 | ||
599 | memcpy(&tmp_vinfo, *vinfo_last, | |
600 | sizeof(struct bridge_vlan_info)); | |
601 | for (v = (*vinfo_last)->vid; v <= vinfo_curr->vid; v++) { | |
602 | tmp_vinfo.vid = v; | |
169327d5 PM |
603 | err = br_vlan_info(br, p, cmd, &tmp_vinfo, changed, |
604 | extack); | |
efa5356b RP |
605 | if (err) |
606 | break; | |
607 | } | |
608 | *vinfo_last = NULL; | |
609 | ||
66c54517 | 610 | return err; |
efa5356b RP |
611 | } |
612 | ||
169327d5 | 613 | return br_vlan_info(br, p, cmd, vinfo_curr, changed, extack); |
efa5356b RP |
614 | } |
615 | ||
407af329 VY |
616 | static int br_afspec(struct net_bridge *br, |
617 | struct net_bridge_port *p, | |
618 | struct nlattr *af_spec, | |
169327d5 PM |
619 | int cmd, bool *changed, |
620 | struct netlink_ext_ack *extack) | |
407af329 | 621 | { |
efa5356b RP |
622 | struct bridge_vlan_info *vinfo_curr = NULL; |
623 | struct bridge_vlan_info *vinfo_last = NULL; | |
bdced7ef | 624 | struct nlattr *attr; |
efa5356b RP |
625 | struct vtunnel_info tinfo_last = {}; |
626 | struct vtunnel_info tinfo_curr = {}; | |
627 | int err = 0, rem; | |
407af329 | 628 | |
bdced7ef | 629 | nla_for_each_nested(attr, af_spec, rem) { |
efa5356b RP |
630 | err = 0; |
631 | switch (nla_type(attr)) { | |
632 | case IFLA_BRIDGE_VLAN_TUNNEL_INFO: | |
1020ce31 | 633 | if (!p || !(p->flags & BR_VLAN_TUNNEL)) |
bdced7ef | 634 | return -EINVAL; |
efa5356b RP |
635 | err = br_parse_vlan_tunnel_info(attr, &tinfo_curr); |
636 | if (err) | |
637 | return err; | |
638 | err = br_process_vlan_tunnel_info(br, p, cmd, | |
639 | &tinfo_curr, | |
e19b42a1 NA |
640 | &tinfo_last, |
641 | changed); | |
efa5356b RP |
642 | if (err) |
643 | return err; | |
644 | break; | |
645 | case IFLA_BRIDGE_VLAN_INFO: | |
646 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) | |
6623c60d | 647 | return -EINVAL; |
efa5356b RP |
648 | vinfo_curr = nla_data(attr); |
649 | err = br_process_vlan_info(br, p, cmd, vinfo_curr, | |
169327d5 PM |
650 | &vinfo_last, changed, |
651 | extack); | |
efa5356b RP |
652 | if (err) |
653 | return err; | |
654 | break; | |
bdced7ef | 655 | } |
407af329 VY |
656 | } |
657 | ||
658 | return err; | |
659 | } | |
660 | ||
3ac636b8 | 661 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
25c71c75 | 662 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
663 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
664 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
665 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
a2e01a65 | 666 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
1007dd1a | 667 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
6f705d8c | 668 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
9ba18891 | 669 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
867a5943 | 670 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
355b9f9d | 671 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
786c2077 | 672 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
5d6ae479 | 673 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
6db6f0ea | 674 | [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 }, |
9051247d TK |
675 | [IFLA_BRPORT_MCAST_FLOOD] = { .type = NLA_U8 }, |
676 | [IFLA_BRPORT_BCAST_FLOOD] = { .type = NLA_U8 }, | |
fbec443b | 677 | [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NLA_U8 }, |
5af48b59 | 678 | [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
1a3fbd3f | 679 | [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NLA_U8 }, |
7d850abd | 680 | [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 }, |
2756f68c | 681 | [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 }, |
25c71c75 | 682 | }; |
683 | ||
684 | /* Change the state of the port and notify spanning tree */ | |
685 | static int br_set_port_state(struct net_bridge_port *p, u8 state) | |
686 | { | |
687 | if (state > BR_STATE_BLOCKING) | |
688 | return -EINVAL; | |
689 | ||
690 | /* if kernel STP is running, don't allow changes */ | |
691 | if (p->br->stp_enabled == BR_KERNEL_STP) | |
692 | return -EBUSY; | |
693 | ||
576eb625 | 694 | /* if device is not up, change is not allowed |
695 | * if link is not present, only allowable state is disabled | |
696 | */ | |
25c71c75 | 697 | if (!netif_running(p->dev) || |
576eb625 | 698 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
25c71c75 | 699 | return -ENETDOWN; |
700 | ||
775dd692 | 701 | br_set_state(p, state); |
25c71c75 | 702 | br_port_state_selection(p->br); |
703 | return 0; | |
704 | } | |
705 | ||
706 | /* Set/clear or port flags based on attribute */ | |
3922285d AS |
707 | static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], |
708 | int attrtype, unsigned long mask) | |
25c71c75 | 709 | { |
3922285d AS |
710 | unsigned long flags; |
711 | int err; | |
712 | ||
713 | if (!tb[attrtype]) | |
714 | return 0; | |
715 | ||
716 | if (nla_get_u8(tb[attrtype])) | |
717 | flags = p->flags | mask; | |
718 | else | |
719 | flags = p->flags & ~mask; | |
720 | ||
721 | err = br_switchdev_set_port_flag(p, flags, mask); | |
722 | if (err) | |
723 | return err; | |
724 | ||
725 | p->flags = flags; | |
726 | return 0; | |
25c71c75 | 727 | } |
728 | ||
729 | /* Process bridge protocol info on port */ | |
730 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) | |
731 | { | |
e028e4b8 | 732 | unsigned long old_flags = p->flags; |
efa5356b RP |
733 | bool br_vlan_tunnel_old = false; |
734 | int err; | |
25c71c75 | 735 | |
3922285d AS |
736 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); |
737 | if (err) | |
738 | return err; | |
739 | ||
740 | err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); | |
741 | if (err) | |
742 | return err; | |
743 | ||
744 | err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); | |
745 | if (err) | |
746 | return err; | |
747 | ||
748 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); | |
749 | if (err) | |
750 | return err; | |
751 | ||
752 | err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); | |
753 | if (err) | |
754 | return err; | |
755 | ||
756 | err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); | |
757 | if (err) | |
758 | return err; | |
759 | ||
760 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); | |
761 | if (err) | |
762 | return err; | |
763 | ||
764 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); | |
765 | if (err) | |
766 | return err; | |
767 | ||
768 | err = br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); | |
769 | if (err) | |
770 | return err; | |
771 | ||
772 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); | |
773 | if (err) | |
774 | return err; | |
775 | ||
776 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); | |
777 | if (err) | |
778 | return err; | |
25c71c75 | 779 | |
efa5356b | 780 | br_vlan_tunnel_old = (p->flags & BR_VLAN_TUNNEL) ? true : false; |
3922285d AS |
781 | err = br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); |
782 | if (err) | |
783 | return err; | |
784 | ||
efa5356b RP |
785 | if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL)) |
786 | nbp_vlan_tunnel_info_flush(p); | |
787 | ||
25c71c75 | 788 | if (tb[IFLA_BRPORT_COST]) { |
789 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); | |
790 | if (err) | |
791 | return err; | |
792 | } | |
793 | ||
794 | if (tb[IFLA_BRPORT_PRIORITY]) { | |
795 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); | |
796 | if (err) | |
797 | return err; | |
798 | } | |
799 | ||
800 | if (tb[IFLA_BRPORT_STATE]) { | |
801 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); | |
802 | if (err) | |
803 | return err; | |
804 | } | |
e028e4b8 | 805 | |
9b0c6e4d NA |
806 | if (tb[IFLA_BRPORT_FLUSH]) |
807 | br_fdb_delete_by_port(p->br, p, 0, 0); | |
808 | ||
5d6ae479 NA |
809 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
810 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { | |
811 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); | |
812 | ||
813 | err = br_multicast_set_port_router(p, mcast_router); | |
814 | if (err) | |
815 | return err; | |
816 | } | |
817 | #endif | |
5af48b59 NA |
818 | |
819 | if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) { | |
820 | u16 fwd_mask = nla_get_u16(tb[IFLA_BRPORT_GROUP_FWD_MASK]); | |
821 | ||
822 | if (fwd_mask & BR_GROUPFWD_MACPAUSE) | |
823 | return -EINVAL; | |
824 | p->group_fwd_mask = fwd_mask; | |
825 | } | |
826 | ||
821f1b21 RP |
827 | err = br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_SUPPRESS, |
828 | BR_NEIGH_SUPPRESS); | |
829 | if (err) | |
830 | return err; | |
831 | ||
7d850abd NA |
832 | err = br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED); |
833 | if (err) | |
834 | return err; | |
835 | ||
2756f68c NA |
836 | if (tb[IFLA_BRPORT_BACKUP_PORT]) { |
837 | struct net_device *backup_dev = NULL; | |
838 | u32 backup_ifindex; | |
839 | ||
840 | backup_ifindex = nla_get_u32(tb[IFLA_BRPORT_BACKUP_PORT]); | |
841 | if (backup_ifindex) { | |
842 | backup_dev = __dev_get_by_index(dev_net(p->dev), | |
843 | backup_ifindex); | |
844 | if (!backup_dev) | |
845 | return -ENOENT; | |
846 | } | |
847 | ||
848 | err = nbp_backup_change(p, backup_dev); | |
849 | if (err) | |
850 | return err; | |
851 | } | |
852 | ||
e028e4b8 | 853 | br_port_flags_change(p, old_flags ^ p->flags); |
25c71c75 | 854 | return 0; |
855 | } | |
856 | ||
857 | /* Change state and parameters on port. */ | |
2fd527b7 PM |
858 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, |
859 | struct netlink_ext_ack *extack) | |
11dc1f36 | 860 | { |
92899063 NA |
861 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
862 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; | |
863 | struct net_bridge_port *p; | |
74685962 | 864 | struct nlattr *protinfo; |
407af329 | 865 | struct nlattr *afspec; |
e19b42a1 | 866 | bool changed = false; |
41c498b9 | 867 | int err = 0; |
11dc1f36 | 868 | |
c60ee67f H |
869 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
870 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
407af329 | 871 | if (!protinfo && !afspec) |
25c71c75 | 872 | return 0; |
11dc1f36 | 873 | |
ec1e5610 | 874 | p = br_port_get_rtnl(dev); |
407af329 | 875 | /* We want to accept dev as bridge itself if the AF_SPEC |
8e3bff96 | 876 | * is set to see if someone is setting vlan info on the bridge |
407af329 | 877 | */ |
7b99a993 | 878 | if (!p && !afspec) |
b5ed54e9 | 879 | return -EINVAL; |
11dc1f36 | 880 | |
407af329 VY |
881 | if (p && protinfo) { |
882 | if (protinfo->nla_type & NLA_F_NESTED) { | |
fceb6435 JB |
883 | err = nla_parse_nested(tb, IFLA_BRPORT_MAX, protinfo, |
884 | br_port_policy, NULL); | |
407af329 VY |
885 | if (err) |
886 | return err; | |
887 | ||
888 | spin_lock_bh(&p->br->lock); | |
889 | err = br_setport(p, tb); | |
890 | spin_unlock_bh(&p->br->lock); | |
891 | } else { | |
8e3bff96 | 892 | /* Binary compatibility with old RSTP */ |
407af329 VY |
893 | if (nla_len(protinfo) < sizeof(u8)) |
894 | return -EINVAL; | |
895 | ||
896 | spin_lock_bh(&p->br->lock); | |
897 | err = br_set_port_state(p, nla_get_u8(protinfo)); | |
898 | spin_unlock_bh(&p->br->lock); | |
899 | } | |
25c71c75 | 900 | if (err) |
407af329 | 901 | goto out; |
e19b42a1 | 902 | changed = true; |
407af329 | 903 | } |
11dc1f36 | 904 | |
92899063 | 905 | if (afspec) |
169327d5 | 906 | err = br_afspec(br, p, afspec, RTM_SETLINK, &changed, extack); |
b03b6dd5 | 907 | |
e19b42a1 | 908 | if (changed) |
92899063 | 909 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 | 910 | out: |
25c71c75 | 911 | return err; |
11dc1f36 SH |
912 | } |
913 | ||
407af329 | 914 | /* Delete port information */ |
add511b3 | 915 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
407af329 | 916 | { |
92899063 | 917 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
407af329 | 918 | struct net_bridge_port *p; |
92899063 | 919 | struct nlattr *afspec; |
e19b42a1 | 920 | bool changed = false; |
8508025c | 921 | int err = 0; |
407af329 | 922 | |
c60ee67f | 923 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
407af329 VY |
924 | if (!afspec) |
925 | return 0; | |
926 | ||
927 | p = br_port_get_rtnl(dev); | |
928 | /* We want to accept dev as bridge itself as well */ | |
929 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) | |
930 | return -EINVAL; | |
931 | ||
169327d5 | 932 | err = br_afspec(br, p, afspec, RTM_DELLINK, &changed, NULL); |
e19b42a1 | 933 | if (changed) |
02dba438 RP |
934 | /* Send RTM_NEWLINK because userspace |
935 | * expects RTM_NEWLINK for vlan dels | |
936 | */ | |
92899063 | 937 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 VY |
938 | |
939 | return err; | |
940 | } | |
a8b8a889 MS |
941 | |
942 | static int br_validate(struct nlattr *tb[], struct nlattr *data[], | |
943 | struct netlink_ext_ack *extack) | |
bb900b27 | 944 | { |
945 | if (tb[IFLA_ADDRESS]) { | |
946 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
947 | return -EINVAL; | |
948 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
949 | return -EADDRNOTAVAIL; | |
950 | } | |
951 | ||
d2d427b3 TM |
952 | if (!data) |
953 | return 0; | |
954 | ||
955 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
956 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
957 | switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { | |
958 | case htons(ETH_P_8021Q): | |
959 | case htons(ETH_P_8021AD): | |
960 | break; | |
961 | default: | |
962 | return -EPROTONOSUPPORT; | |
963 | } | |
964 | } | |
a2858602 TJ |
965 | |
966 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
967 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
968 | ||
969 | if (defpvid >= VLAN_VID_MASK) | |
970 | return -EINVAL; | |
971 | } | |
d2d427b3 TM |
972 | #endif |
973 | ||
bb900b27 | 974 | return 0; |
975 | } | |
976 | ||
3ac636b8 JP |
977 | static int br_port_slave_changelink(struct net_device *brdev, |
978 | struct net_device *dev, | |
979 | struct nlattr *tb[], | |
17dd0ec4 MS |
980 | struct nlattr *data[], |
981 | struct netlink_ext_ack *extack) | |
3ac636b8 | 982 | { |
963ad948 NA |
983 | struct net_bridge *br = netdev_priv(brdev); |
984 | int ret; | |
985 | ||
3ac636b8 JP |
986 | if (!data) |
987 | return 0; | |
963ad948 NA |
988 | |
989 | spin_lock_bh(&br->lock); | |
990 | ret = br_setport(br_port_get_rtnl(dev), data); | |
991 | spin_unlock_bh(&br->lock); | |
992 | ||
993 | return ret; | |
3ac636b8 JP |
994 | } |
995 | ||
ced8283f JP |
996 | static int br_port_fill_slave_info(struct sk_buff *skb, |
997 | const struct net_device *brdev, | |
998 | const struct net_device *dev) | |
999 | { | |
1000 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); | |
1001 | } | |
1002 | ||
1003 | static size_t br_port_get_slave_size(const struct net_device *brdev, | |
1004 | const struct net_device *dev) | |
1005 | { | |
1006 | return br_port_info_size(); | |
1007 | } | |
1008 | ||
13323516 JP |
1009 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
1010 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, | |
1011 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, | |
1012 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, | |
af615762 JT |
1013 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
1014 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, | |
1015 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, | |
a7854037 | 1016 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
d2d427b3 | 1017 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
7910228b | 1018 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
111189ab NA |
1019 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
1020 | .len = ETH_ALEN }, | |
a9a6bc70 | 1021 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
89126327 | 1022 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
295141d9 | 1023 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
ba062d7c | 1024 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
431db3c0 | 1025 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
858079fd | 1026 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
79b859f5 | 1027 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
b89e6bab | 1028 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
7e4df51e NA |
1029 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
1030 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, | |
1031 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, | |
1032 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, | |
1033 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, | |
1034 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, | |
93870cc0 NA |
1035 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
1036 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, | |
1037 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, | |
0f963b75 | 1038 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
6dada9b1 | 1039 | [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, |
1080ab95 | 1040 | [IFLA_BR_MCAST_STATS_ENABLED] = { .type = NLA_U8 }, |
5e923585 | 1041 | [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, |
aa2ae3e7 | 1042 | [IFLA_BR_MCAST_MLD_VERSION] = { .type = NLA_U8 }, |
9163a0fc | 1043 | [IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 }, |
a428afe8 NA |
1044 | [IFLA_BR_MULTI_BOOLOPT] = { .type = NLA_EXACT_LEN, |
1045 | .len = sizeof(struct br_boolopt_multi) }, | |
13323516 JP |
1046 | }; |
1047 | ||
1048 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], | |
ad744b22 MS |
1049 | struct nlattr *data[], |
1050 | struct netlink_ext_ack *extack) | |
13323516 JP |
1051 | { |
1052 | struct net_bridge *br = netdev_priv(brdev); | |
1053 | int err; | |
1054 | ||
1055 | if (!data) | |
1056 | return 0; | |
1057 | ||
1058 | if (data[IFLA_BR_FORWARD_DELAY]) { | |
1059 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); | |
1060 | if (err) | |
1061 | return err; | |
1062 | } | |
1063 | ||
1064 | if (data[IFLA_BR_HELLO_TIME]) { | |
1065 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); | |
1066 | if (err) | |
1067 | return err; | |
1068 | } | |
1069 | ||
1070 | if (data[IFLA_BR_MAX_AGE]) { | |
1071 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); | |
1072 | if (err) | |
1073 | return err; | |
1074 | } | |
1075 | ||
af615762 | 1076 | if (data[IFLA_BR_AGEING_TIME]) { |
c62987bb SF |
1077 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
1078 | if (err) | |
1079 | return err; | |
af615762 JT |
1080 | } |
1081 | ||
1082 | if (data[IFLA_BR_STP_STATE]) { | |
1083 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); | |
1084 | ||
1085 | br_stp_set_enabled(br, stp_enabled); | |
1086 | } | |
1087 | ||
1088 | if (data[IFLA_BR_PRIORITY]) { | |
1089 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); | |
1090 | ||
1091 | br_stp_set_bridge_priority(br, priority); | |
1092 | } | |
1093 | ||
a7854037 NA |
1094 | if (data[IFLA_BR_VLAN_FILTERING]) { |
1095 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); | |
1096 | ||
1097 | err = __br_vlan_filter_toggle(br, vlan_filter); | |
1098 | if (err) | |
1099 | return err; | |
1100 | } | |
1101 | ||
d2d427b3 TM |
1102 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1103 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
1104 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); | |
1105 | ||
1106 | err = __br_vlan_set_proto(br, vlan_proto); | |
1107 | if (err) | |
1108 | return err; | |
1109 | } | |
0f963b75 NA |
1110 | |
1111 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
1112 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
1113 | ||
169327d5 | 1114 | err = __br_vlan_set_default_pvid(br, defpvid, extack); |
0f963b75 NA |
1115 | if (err) |
1116 | return err; | |
1117 | } | |
6dada9b1 NA |
1118 | |
1119 | if (data[IFLA_BR_VLAN_STATS_ENABLED]) { | |
1120 | __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); | |
1121 | ||
1122 | err = br_vlan_set_stats(br, vlan_stats); | |
1123 | if (err) | |
1124 | return err; | |
1125 | } | |
9163a0fc NA |
1126 | |
1127 | if (data[IFLA_BR_VLAN_STATS_PER_PORT]) { | |
1128 | __u8 per_port = nla_get_u8(data[IFLA_BR_VLAN_STATS_PER_PORT]); | |
1129 | ||
1130 | err = br_vlan_set_stats_per_port(br, per_port); | |
1131 | if (err) | |
1132 | return err; | |
1133 | } | |
d2d427b3 TM |
1134 | #endif |
1135 | ||
7910228b NA |
1136 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
1137 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); | |
1138 | ||
1139 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) | |
1140 | return -EINVAL; | |
1141 | br->group_fwd_mask = fwd_mask; | |
1142 | } | |
1143 | ||
111189ab NA |
1144 | if (data[IFLA_BR_GROUP_ADDR]) { |
1145 | u8 new_addr[ETH_ALEN]; | |
1146 | ||
1147 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) | |
1148 | return -EINVAL; | |
1149 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); | |
1150 | if (!is_link_local_ether_addr(new_addr)) | |
1151 | return -EINVAL; | |
1152 | if (new_addr[5] == 1 || /* 802.3x Pause address */ | |
1153 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
1154 | new_addr[5] == 3) /* 802.1X PAE address */ | |
1155 | return -EINVAL; | |
1156 | spin_lock_bh(&br->lock); | |
1157 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); | |
1158 | spin_unlock_bh(&br->lock); | |
be3664a0 | 1159 | br_opt_toggle(br, BROPT_GROUP_ADDR_SET, true); |
111189ab NA |
1160 | br_recalculate_fwd_mask(br); |
1161 | } | |
1162 | ||
150217c6 NA |
1163 | if (data[IFLA_BR_FDB_FLUSH]) |
1164 | br_fdb_flush(br); | |
1165 | ||
a9a6bc70 NA |
1166 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1167 | if (data[IFLA_BR_MCAST_ROUTER]) { | |
1168 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); | |
1169 | ||
1170 | err = br_multicast_set_router(br, multicast_router); | |
1171 | if (err) | |
1172 | return err; | |
1173 | } | |
89126327 NA |
1174 | |
1175 | if (data[IFLA_BR_MCAST_SNOOPING]) { | |
1176 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); | |
1177 | ||
a26d94bf | 1178 | br_multicast_toggle(br, mcast_snooping); |
89126327 | 1179 | } |
295141d9 NA |
1180 | |
1181 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { | |
1182 | u8 val; | |
1183 | ||
1184 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); | |
675779ad | 1185 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
295141d9 | 1186 | } |
ba062d7c NA |
1187 | |
1188 | if (data[IFLA_BR_MCAST_QUERIER]) { | |
1189 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); | |
1190 | ||
1191 | err = br_multicast_set_querier(br, mcast_querier); | |
1192 | if (err) | |
1193 | return err; | |
1194 | } | |
431db3c0 | 1195 | |
cf332bca NA |
1196 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) |
1197 | br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n", | |
1198 | RHT_ELASTICITY); | |
858079fd | 1199 | |
19e3a9c9 NA |
1200 | if (data[IFLA_BR_MCAST_HASH_MAX]) |
1201 | br->hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); | |
79b859f5 NA |
1202 | |
1203 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { | |
1204 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); | |
1205 | ||
1206 | br->multicast_last_member_count = val; | |
1207 | } | |
b89e6bab NA |
1208 | |
1209 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { | |
1210 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); | |
1211 | ||
1212 | br->multicast_startup_query_count = val; | |
1213 | } | |
7e4df51e NA |
1214 | |
1215 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { | |
1216 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); | |
1217 | ||
1218 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
1219 | } | |
1220 | ||
1221 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { | |
1222 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); | |
1223 | ||
1224 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
1225 | } | |
1226 | ||
1227 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { | |
1228 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); | |
1229 | ||
1230 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
1231 | } | |
1232 | ||
1233 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { | |
1234 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); | |
1235 | ||
1236 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
1237 | } | |
1238 | ||
1239 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { | |
1240 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); | |
1241 | ||
1242 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
1243 | } | |
1244 | ||
1245 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { | |
1246 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); | |
1247 | ||
1248 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
1249 | } | |
1080ab95 NA |
1250 | |
1251 | if (data[IFLA_BR_MCAST_STATS_ENABLED]) { | |
1252 | __u8 mcast_stats; | |
1253 | ||
1254 | mcast_stats = nla_get_u8(data[IFLA_BR_MCAST_STATS_ENABLED]); | |
675779ad | 1255 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!mcast_stats); |
1080ab95 | 1256 | } |
5e923585 NA |
1257 | |
1258 | if (data[IFLA_BR_MCAST_IGMP_VERSION]) { | |
1259 | __u8 igmp_version; | |
1260 | ||
1261 | igmp_version = nla_get_u8(data[IFLA_BR_MCAST_IGMP_VERSION]); | |
1262 | err = br_multicast_set_igmp_version(br, igmp_version); | |
1263 | if (err) | |
1264 | return err; | |
1265 | } | |
aa2ae3e7 NA |
1266 | |
1267 | #if IS_ENABLED(CONFIG_IPV6) | |
1268 | if (data[IFLA_BR_MCAST_MLD_VERSION]) { | |
1269 | __u8 mld_version; | |
1270 | ||
1271 | mld_version = nla_get_u8(data[IFLA_BR_MCAST_MLD_VERSION]); | |
1272 | err = br_multicast_set_mld_version(br, mld_version); | |
1273 | if (err) | |
1274 | return err; | |
1275 | } | |
1276 | #endif | |
a9a6bc70 | 1277 | #endif |
93870cc0 NA |
1278 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1279 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { | |
1280 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); | |
1281 | ||
8df3510f | 1282 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
93870cc0 NA |
1283 | } |
1284 | ||
1285 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { | |
1286 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); | |
1287 | ||
8df3510f | 1288 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
93870cc0 NA |
1289 | } |
1290 | ||
1291 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { | |
1292 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); | |
1293 | ||
8df3510f | 1294 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
93870cc0 NA |
1295 | } |
1296 | #endif | |
a9a6bc70 | 1297 | |
a428afe8 NA |
1298 | if (data[IFLA_BR_MULTI_BOOLOPT]) { |
1299 | struct br_boolopt_multi *bm; | |
1300 | ||
1301 | bm = nla_data(data[IFLA_BR_MULTI_BOOLOPT]); | |
1302 | err = br_boolopt_multi_toggle(br, bm, extack); | |
1303 | if (err) | |
1304 | return err; | |
1305 | } | |
1306 | ||
13323516 JP |
1307 | return 0; |
1308 | } | |
1309 | ||
b6677449 | 1310 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
7a3f4a18 MS |
1311 | struct nlattr *tb[], struct nlattr *data[], |
1312 | struct netlink_ext_ack *extack) | |
b6677449 IV |
1313 | { |
1314 | struct net_bridge *br = netdev_priv(dev); | |
1315 | int err; | |
1316 | ||
84aeb437 NA |
1317 | err = register_netdevice(dev); |
1318 | if (err) | |
1319 | return err; | |
1320 | ||
b6677449 IV |
1321 | if (tb[IFLA_ADDRESS]) { |
1322 | spin_lock_bh(&br->lock); | |
1323 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); | |
1324 | spin_unlock_bh(&br->lock); | |
1325 | } | |
1326 | ||
ad744b22 | 1327 | err = br_changelink(dev, tb, data, extack); |
5b8d5429 | 1328 | if (err) |
84aeb437 NA |
1329 | br_dev_delete(dev, NULL); |
1330 | ||
5b8d5429 | 1331 | return err; |
b6677449 IV |
1332 | } |
1333 | ||
e5c3ea5c JP |
1334 | static size_t br_get_size(const struct net_device *brdev) |
1335 | { | |
1336 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ | |
1337 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ | |
1338 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ | |
af615762 JT |
1339 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
1340 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ | |
1341 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ | |
a7854037 | 1342 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
d2d427b3 TM |
1343 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1344 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ | |
0f963b75 | 1345 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
6dada9b1 | 1346 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ |
9163a0fc | 1347 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_PER_PORT */ |
d2d427b3 | 1348 | #endif |
7910228b | 1349 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
5127c81f | 1350 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
7599a220 | 1351 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
8762ba68 | 1352 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
684dd248 | 1353 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
b89e6bab NA |
1354 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
1355 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ | |
12a0faa3 ND |
1356 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
1357 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ | |
1358 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ | |
1359 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ | |
111189ab | 1360 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
a9a6bc70 NA |
1361 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1362 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ | |
89126327 | 1363 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
295141d9 | 1364 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
ba062d7c | 1365 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
1080ab95 | 1366 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_STATS_ENABLED */ |
b89e6bab NA |
1367 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
1368 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ | |
1369 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ | |
1370 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ | |
12a0faa3 ND |
1371 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
1372 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ | |
1373 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ | |
1374 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ | |
1375 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ | |
1376 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ | |
5e923585 | 1377 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_IGMP_VERSION */ |
aa2ae3e7 | 1378 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_MLD_VERSION */ |
93870cc0 NA |
1379 | #endif |
1380 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) | |
1381 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ | |
1382 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ | |
1383 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ | |
a9a6bc70 | 1384 | #endif |
a428afe8 | 1385 | nla_total_size(sizeof(struct br_boolopt_multi)) + /* IFLA_BR_MULTI_BOOLOPT */ |
e5c3ea5c JP |
1386 | 0; |
1387 | } | |
1388 | ||
1389 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) | |
1390 | { | |
1391 | struct net_bridge *br = netdev_priv(brdev); | |
1392 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); | |
1393 | u32 hello_time = jiffies_to_clock_t(br->hello_time); | |
1394 | u32 age_time = jiffies_to_clock_t(br->max_age); | |
af615762 JT |
1395 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
1396 | u32 stp_enabled = br->stp_enabled; | |
1397 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; | |
1f51445a | 1398 | u8 vlan_enabled = br_vlan_enabled(br->dev); |
a428afe8 | 1399 | struct br_boolopt_multi bm; |
4917a154 NA |
1400 | u64 clockval; |
1401 | ||
1402 | clockval = br_timer_value(&br->hello_timer); | |
12a0faa3 | 1403 | if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1404 | return -EMSGSIZE; |
1405 | clockval = br_timer_value(&br->tcn_timer); | |
12a0faa3 | 1406 | if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1407 | return -EMSGSIZE; |
1408 | clockval = br_timer_value(&br->topology_change_timer); | |
12a0faa3 ND |
1409 | if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, |
1410 | IFLA_BR_PAD)) | |
4917a154 | 1411 | return -EMSGSIZE; |
f7cdee8a | 1412 | clockval = br_timer_value(&br->gc_work.timer); |
12a0faa3 | 1413 | if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 | 1414 | return -EMSGSIZE; |
e5c3ea5c | 1415 | |
a428afe8 | 1416 | br_boolopt_multi_get(br, &bm); |
e5c3ea5c JP |
1417 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || |
1418 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || | |
af615762 JT |
1419 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
1420 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || | |
1421 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || | |
a7854037 | 1422 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
7910228b | 1423 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
4917a154 NA |
1424 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
1425 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
1426 | &br->bridge_id) || | |
1427 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), | |
1428 | &br->designated_root) || | |
684dd248 | 1429 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
ed416309 NA |
1430 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
1431 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || | |
1432 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
d76bd14e | 1433 | br->topology_change_detected) || |
a428afe8 NA |
1434 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) || |
1435 | nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm)) | |
e5c3ea5c JP |
1436 | return -EMSGSIZE; |
1437 | ||
d2d427b3 | 1438 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
0f963b75 | 1439 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
6dada9b1 | 1440 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || |
ae75767e | 1441 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, |
9163a0fc NA |
1442 | br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) || |
1443 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT, | |
1444 | br_opt_get(br, IFLA_BR_VLAN_STATS_PER_PORT))) | |
d2d427b3 TM |
1445 | return -EMSGSIZE; |
1446 | #endif | |
a9a6bc70 | 1447 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
89126327 | 1448 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || |
13cefad2 NA |
1449 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, |
1450 | br_opt_get(br, BROPT_MULTICAST_ENABLED)) || | |
295141d9 | 1451 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, |
675779ad NA |
1452 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)) || |
1453 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, | |
1454 | br_opt_get(br, BROPT_MULTICAST_QUERIER)) || | |
1080ab95 | 1455 | nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED, |
675779ad | 1456 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)) || |
cf332bca | 1457 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) || |
79b859f5 NA |
1458 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
1459 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
b89e6bab NA |
1460 | br->multicast_last_member_count) || |
1461 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
5e923585 NA |
1462 | br->multicast_startup_query_count) || |
1463 | nla_put_u8(skb, IFLA_BR_MCAST_IGMP_VERSION, | |
1464 | br->multicast_igmp_version)) | |
a9a6bc70 | 1465 | return -EMSGSIZE; |
aa2ae3e7 NA |
1466 | #if IS_ENABLED(CONFIG_IPV6) |
1467 | if (nla_put_u8(skb, IFLA_BR_MCAST_MLD_VERSION, | |
1468 | br->multicast_mld_version)) | |
1469 | return -EMSGSIZE; | |
1470 | #endif | |
7e4df51e | 1471 | clockval = jiffies_to_clock_t(br->multicast_last_member_interval); |
12a0faa3 ND |
1472 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, |
1473 | IFLA_BR_PAD)) | |
7e4df51e NA |
1474 | return -EMSGSIZE; |
1475 | clockval = jiffies_to_clock_t(br->multicast_membership_interval); | |
12a0faa3 ND |
1476 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, |
1477 | IFLA_BR_PAD)) | |
7e4df51e NA |
1478 | return -EMSGSIZE; |
1479 | clockval = jiffies_to_clock_t(br->multicast_querier_interval); | |
12a0faa3 ND |
1480 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, |
1481 | IFLA_BR_PAD)) | |
7e4df51e NA |
1482 | return -EMSGSIZE; |
1483 | clockval = jiffies_to_clock_t(br->multicast_query_interval); | |
12a0faa3 ND |
1484 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, |
1485 | IFLA_BR_PAD)) | |
7e4df51e NA |
1486 | return -EMSGSIZE; |
1487 | clockval = jiffies_to_clock_t(br->multicast_query_response_interval); | |
12a0faa3 ND |
1488 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, |
1489 | IFLA_BR_PAD)) | |
7e4df51e NA |
1490 | return -EMSGSIZE; |
1491 | clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); | |
12a0faa3 ND |
1492 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, |
1493 | IFLA_BR_PAD)) | |
7e4df51e | 1494 | return -EMSGSIZE; |
a9a6bc70 | 1495 | #endif |
93870cc0 NA |
1496 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1497 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, | |
8df3510f | 1498 | br_opt_get(br, BROPT_NF_CALL_IPTABLES) ? 1 : 0) || |
93870cc0 | 1499 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, |
8df3510f | 1500 | br_opt_get(br, BROPT_NF_CALL_IP6TABLES) ? 1 : 0) || |
93870cc0 | 1501 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, |
8df3510f | 1502 | br_opt_get(br, BROPT_NF_CALL_ARPTABLES) ? 1 : 0)) |
93870cc0 NA |
1503 | return -EMSGSIZE; |
1504 | #endif | |
a9a6bc70 | 1505 | |
e5c3ea5c JP |
1506 | return 0; |
1507 | } | |
1508 | ||
d5ff8c41 | 1509 | static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) |
a60c0903 | 1510 | { |
d5ff8c41 | 1511 | struct net_bridge_port *p = NULL; |
a60c0903 NA |
1512 | struct net_bridge_vlan_group *vg; |
1513 | struct net_bridge_vlan *v; | |
d5ff8c41 | 1514 | struct net_bridge *br; |
a60c0903 NA |
1515 | int numvls = 0; |
1516 | ||
d5ff8c41 NA |
1517 | switch (attr) { |
1518 | case IFLA_STATS_LINK_XSTATS: | |
1519 | br = netdev_priv(dev); | |
1520 | vg = br_vlan_group(br); | |
1521 | break; | |
1522 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
1523 | p = br_port_get_rtnl(dev); | |
1524 | if (!p) | |
1525 | return 0; | |
1526 | br = p->br; | |
1527 | vg = nbp_vlan_group(p); | |
1528 | break; | |
1529 | default: | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1080ab95 NA |
1533 | if (vg) { |
1534 | /* we need to count all, even placeholder entries */ | |
1535 | list_for_each_entry(v, &vg->vlan_list, vlist) | |
1536 | numvls++; | |
1537 | } | |
a60c0903 | 1538 | |
a60c0903 | 1539 | return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + |
1080ab95 | 1540 | nla_total_size(sizeof(struct br_mcast_stats)) + |
a60c0903 NA |
1541 | nla_total_size(0); |
1542 | } | |
1543 | ||
d5ff8c41 NA |
1544 | static int br_fill_linkxstats(struct sk_buff *skb, |
1545 | const struct net_device *dev, | |
1546 | int *prividx, int attr) | |
80e73cc5 | 1547 | { |
d5ff8c41 NA |
1548 | struct nlattr *nla __maybe_unused; |
1549 | struct net_bridge_port *p = NULL; | |
1550 | struct net_bridge_vlan_group *vg; | |
1551 | struct net_bridge_vlan *v; | |
1552 | struct net_bridge *br; | |
1553 | struct nlattr *nest; | |
1554 | int vl_idx = 0; | |
80e73cc5 NA |
1555 | |
1556 | switch (attr) { | |
1557 | case IFLA_STATS_LINK_XSTATS: | |
d5ff8c41 NA |
1558 | br = netdev_priv(dev); |
1559 | vg = br_vlan_group(br); | |
80e73cc5 NA |
1560 | break; |
1561 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
d5ff8c41 NA |
1562 | p = br_port_get_rtnl(dev); |
1563 | if (!p) | |
1564 | return 0; | |
1565 | br = p->br; | |
1566 | vg = nbp_vlan_group(p); | |
80e73cc5 | 1567 | break; |
d5ff8c41 NA |
1568 | default: |
1569 | return -EINVAL; | |
80e73cc5 NA |
1570 | } |
1571 | ||
a60c0903 NA |
1572 | nest = nla_nest_start(skb, LINK_XSTATS_TYPE_BRIDGE); |
1573 | if (!nest) | |
1574 | return -EMSGSIZE; | |
a60c0903 | 1575 | |
1080ab95 | 1576 | if (vg) { |
72f4af4e NA |
1577 | u16 pvid; |
1578 | ||
1579 | pvid = br_get_pvid(vg); | |
1080ab95 NA |
1580 | list_for_each_entry(v, &vg->vlan_list, vlist) { |
1581 | struct bridge_vlan_xstats vxi; | |
1582 | struct br_vlan_stats stats; | |
1583 | ||
1584 | if (++vl_idx < *prividx) | |
1585 | continue; | |
1586 | memset(&vxi, 0, sizeof(vxi)); | |
1587 | vxi.vid = v->vid; | |
61ba1a2d | 1588 | vxi.flags = v->flags; |
72f4af4e NA |
1589 | if (v->vid == pvid) |
1590 | vxi.flags |= BRIDGE_VLAN_INFO_PVID; | |
1080ab95 NA |
1591 | br_vlan_get_stats(v, &stats); |
1592 | vxi.rx_bytes = stats.rx_bytes; | |
1593 | vxi.rx_packets = stats.rx_packets; | |
1594 | vxi.tx_bytes = stats.tx_bytes; | |
1595 | vxi.tx_packets = stats.tx_packets; | |
1596 | ||
1597 | if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) | |
1598 | goto nla_put_failure; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
1603 | if (++vl_idx >= *prividx) { | |
1604 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_MCAST, | |
1605 | sizeof(struct br_mcast_stats), | |
1606 | BRIDGE_XSTATS_PAD); | |
1607 | if (!nla) | |
a60c0903 | 1608 | goto nla_put_failure; |
d5ff8c41 | 1609 | br_multicast_get_stats(br, p, nla_data(nla)); |
a60c0903 | 1610 | } |
1080ab95 | 1611 | #endif |
a60c0903 NA |
1612 | nla_nest_end(skb, nest); |
1613 | *prividx = 0; | |
1080ab95 | 1614 | |
a60c0903 NA |
1615 | return 0; |
1616 | ||
1617 | nla_put_failure: | |
1618 | nla_nest_end(skb, nest); | |
1619 | *prividx = vl_idx; | |
1620 | ||
1621 | return -EMSGSIZE; | |
1622 | } | |
fed0a159 | 1623 | |
207895fd | 1624 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
6cbdceeb | 1625 | .family = AF_BRIDGE, |
b1974ed0 | 1626 | .get_link_af_size = br_get_link_af_size_filtered, |
6cbdceeb VY |
1627 | }; |
1628 | ||
149ddd83 | 1629 | struct rtnl_link_ops br_link_ops __read_mostly = { |
ced8283f JP |
1630 | .kind = "bridge", |
1631 | .priv_size = sizeof(struct net_bridge), | |
1632 | .setup = br_dev_setup, | |
eb4cb851 | 1633 | .maxtype = IFLA_BR_MAX, |
13323516 | 1634 | .policy = br_policy, |
ced8283f JP |
1635 | .validate = br_validate, |
1636 | .newlink = br_dev_newlink, | |
13323516 | 1637 | .changelink = br_changelink, |
ced8283f | 1638 | .dellink = br_dev_delete, |
e5c3ea5c JP |
1639 | .get_size = br_get_size, |
1640 | .fill_info = br_fill_info, | |
a60c0903 NA |
1641 | .fill_linkxstats = br_fill_linkxstats, |
1642 | .get_linkxstats_size = br_get_linkxstats_size, | |
3ac636b8 JP |
1643 | |
1644 | .slave_maxtype = IFLA_BRPORT_MAX, | |
1645 | .slave_policy = br_port_policy, | |
1646 | .slave_changelink = br_port_slave_changelink, | |
ced8283f JP |
1647 | .get_slave_size = br_port_get_slave_size, |
1648 | .fill_slave_info = br_port_fill_slave_info, | |
bb900b27 | 1649 | }; |
11dc1f36 | 1650 | |
32fe21c0 | 1651 | int __init br_netlink_init(void) |
11dc1f36 | 1652 | { |
3ec8e9f0 VY |
1653 | int err; |
1654 | ||
1655 | br_mdb_init(); | |
3678a9d8 | 1656 | rtnl_af_register(&br_af_ops); |
3ec8e9f0 | 1657 | |
6cbdceeb VY |
1658 | err = rtnl_link_register(&br_link_ops); |
1659 | if (err) | |
1660 | goto out_af; | |
1661 | ||
3ec8e9f0 | 1662 | return 0; |
6cbdceeb VY |
1663 | |
1664 | out_af: | |
1665 | rtnl_af_unregister(&br_af_ops); | |
3ec8e9f0 VY |
1666 | br_mdb_uninit(); |
1667 | return err; | |
11dc1f36 SH |
1668 | } |
1669 | ||
34666d46 | 1670 | void br_netlink_fini(void) |
11dc1f36 | 1671 | { |
3ec8e9f0 | 1672 | br_mdb_uninit(); |
6cbdceeb | 1673 | rtnl_af_unregister(&br_af_ops); |
bb900b27 | 1674 | rtnl_link_unregister(&br_link_ops); |
11dc1f36 | 1675 | } |