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" |
11dc1f36 | 23 | |
2594e906 | 24 | static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 25 | u32 filter_mask) |
fed0a159 | 26 | { |
2594e906 NA |
27 | struct net_bridge_vlan *v; |
28 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 29 | u16 flags, pvid; |
fed0a159 RP |
30 | int num_vlans = 0; |
31 | ||
fed0a159 RP |
32 | if (!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
33 | return 0; | |
34 | ||
77751ee8 | 35 | pvid = br_get_pvid(vg); |
2594e906 | 36 | /* Count number of vlan infos */ |
586c2b57 | 37 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
fed0a159 | 38 | flags = 0; |
2594e906 NA |
39 | /* only a context, bridge vlan not activated */ |
40 | if (!br_vlan_should_use(v)) | |
41 | continue; | |
42 | if (v->vid == pvid) | |
fed0a159 RP |
43 | flags |= BRIDGE_VLAN_INFO_PVID; |
44 | ||
2594e906 | 45 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
fed0a159 RP |
46 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
47 | ||
48 | if (vid_range_start == 0) { | |
49 | goto initvars; | |
2594e906 | 50 | } else if ((v->vid - vid_range_end) == 1 && |
fed0a159 | 51 | flags == vid_range_flags) { |
2594e906 | 52 | vid_range_end = v->vid; |
fed0a159 RP |
53 | continue; |
54 | } else { | |
55 | if ((vid_range_end - vid_range_start) > 0) | |
56 | num_vlans += 2; | |
57 | else | |
58 | num_vlans += 1; | |
59 | } | |
60 | initvars: | |
2594e906 NA |
61 | vid_range_start = v->vid; |
62 | vid_range_end = v->vid; | |
fed0a159 RP |
63 | vid_range_flags = flags; |
64 | } | |
65 | ||
66 | if (vid_range_start != 0) { | |
67 | if ((vid_range_end - vid_range_start) > 0) | |
68 | num_vlans += 2; | |
69 | else | |
70 | num_vlans += 1; | |
71 | } | |
72 | ||
73 | return num_vlans; | |
74 | } | |
75 | ||
2594e906 | 76 | static int br_get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 77 | u32 filter_mask) |
2594e906 | 78 | { |
586c2b57 NA |
79 | int num_vlans; |
80 | ||
2594e906 NA |
81 | if (!vg) |
82 | return 0; | |
83 | ||
84 | if (filter_mask & RTEXT_FILTER_BRVLAN) | |
85 | return vg->num_vlans; | |
86 | ||
586c2b57 NA |
87 | rcu_read_lock(); |
88 | num_vlans = __get_num_vlan_infos(vg, filter_mask); | |
89 | rcu_read_unlock(); | |
90 | ||
91 | return num_vlans; | |
2594e906 NA |
92 | } |
93 | ||
fed0a159 RP |
94 | static size_t br_get_link_af_size_filtered(const struct net_device *dev, |
95 | u32 filter_mask) | |
b7853d73 | 96 | { |
2594e906 NA |
97 | struct net_bridge_vlan_group *vg = NULL; |
98 | struct net_bridge_port *p; | |
99 | struct net_bridge *br; | |
fed0a159 | 100 | int num_vlan_infos; |
b7853d73 | 101 | |
2f56f6be | 102 | rcu_read_lock(); |
2594e906 NA |
103 | if (br_port_exists(dev)) { |
104 | p = br_port_get_rcu(dev); | |
907b1e6e | 105 | vg = nbp_vlan_group_rcu(p); |
2594e906 NA |
106 | } else if (dev->priv_flags & IFF_EBRIDGE) { |
107 | br = netdev_priv(dev); | |
907b1e6e | 108 | vg = br_vlan_group_rcu(br); |
2594e906 | 109 | } |
77751ee8 | 110 | num_vlan_infos = br_get_num_vlan_infos(vg, filter_mask); |
2f56f6be | 111 | rcu_read_unlock(); |
b7853d73 RP |
112 | |
113 | /* Each VLAN is returned in bridge_vlan_info along with flags */ | |
fed0a159 | 114 | return num_vlan_infos * nla_total_size(sizeof(struct bridge_vlan_info)); |
b7853d73 RP |
115 | } |
116 | ||
25c71c75 | 117 | static inline size_t br_port_info_size(void) |
118 | { | |
119 | return nla_total_size(1) /* IFLA_BRPORT_STATE */ | |
120 | + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ | |
121 | + nla_total_size(4) /* IFLA_BRPORT_COST */ | |
122 | + nla_total_size(1) /* IFLA_BRPORT_MODE */ | |
a2e01a65 | 123 | + nla_total_size(1) /* IFLA_BRPORT_GUARD */ |
1007dd1a | 124 | + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ |
3da889b6 | 125 | + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ |
9ba18891 | 126 | + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ |
867a5943 | 127 | + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ |
355b9f9d | 128 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ |
786c2077 | 129 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ |
4ebc7660 | 130 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ |
80df9a26 | 131 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ |
96f94e7f NA |
132 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ |
133 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ | |
42d452c4 NA |
134 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ |
135 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ | |
e08e838a NA |
136 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ |
137 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ | |
61c0a9a8 NA |
138 | + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
139 | + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ | |
140 | + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ | |
5d6ae479 NA |
141 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
142 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ | |
143 | #endif | |
25c71c75 | 144 | + 0; |
145 | } | |
146 | ||
fed0a159 | 147 | static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) |
339bf98f TG |
148 | { |
149 | return NLMSG_ALIGN(sizeof(struct ifinfomsg)) | |
25c71c75 | 150 | + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ |
151 | + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ | |
152 | + nla_total_size(4) /* IFLA_MASTER */ | |
153 | + nla_total_size(4) /* IFLA_MTU */ | |
154 | + nla_total_size(4) /* IFLA_LINK */ | |
155 | + nla_total_size(1) /* IFLA_OPERSTATE */ | |
b7853d73 | 156 | + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */ |
fed0a159 RP |
157 | + nla_total_size(br_get_link_af_size_filtered(dev, |
158 | filter_mask)); /* IFLA_AF_SPEC */ | |
25c71c75 | 159 | } |
160 | ||
161 | static int br_port_fill_attrs(struct sk_buff *skb, | |
162 | const struct net_bridge_port *p) | |
163 | { | |
164 | u8 mode = !!(p->flags & BR_HAIRPIN_MODE); | |
61c0a9a8 | 165 | u64 timerval; |
25c71c75 | 166 | |
167 | if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) || | |
168 | nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) || | |
169 | nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || | |
a2e01a65 | 170 | nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || |
1007dd1a | 171 | nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || |
c2d3babf | 172 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK)) || |
9ba18891 | 173 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || |
867a5943 | 174 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
95850116 | 175 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, !!(p->flags & BR_FLOOD)) || |
842a9ae0 JM |
176 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
177 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, | |
4ebc7660 NA |
178 | !!(p->flags & BR_PROXYARP_WIFI)) || |
179 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), | |
80df9a26 NA |
180 | &p->designated_root) || |
181 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
96f94e7f NA |
182 | &p->designated_bridge) || |
183 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || | |
42d452c4 NA |
184 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
185 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || | |
e08e838a NA |
186 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
187 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
188 | p->topology_change_ack) || | |
189 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending)) | |
25c71c75 | 190 | return -EMSGSIZE; |
191 | ||
61c0a9a8 NA |
192 | timerval = br_timer_value(&p->message_age_timer); |
193 | if (nla_put_u64(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval)) | |
194 | return -EMSGSIZE; | |
195 | timerval = br_timer_value(&p->forward_delay_timer); | |
196 | if (nla_put_u64(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval)) | |
197 | return -EMSGSIZE; | |
198 | timerval = br_timer_value(&p->hold_timer); | |
199 | if (nla_put_u64(skb, IFLA_BRPORT_HOLD_TIMER, timerval)) | |
200 | return -EMSGSIZE; | |
201 | ||
5d6ae479 NA |
202 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
203 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, | |
204 | p->multicast_router)) | |
205 | return -EMSGSIZE; | |
206 | #endif | |
207 | ||
25c71c75 | 208 | return 0; |
339bf98f TG |
209 | } |
210 | ||
36cd0ffb RP |
211 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
212 | u16 vid_end, u16 flags) | |
213 | { | |
214 | struct bridge_vlan_info vinfo; | |
215 | ||
216 | if ((vid_end - vid_start) > 0) { | |
217 | /* add range to skb */ | |
218 | vinfo.vid = vid_start; | |
219 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; | |
220 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
221 | sizeof(vinfo), &vinfo)) | |
222 | goto nla_put_failure; | |
223 | ||
36cd0ffb RP |
224 | vinfo.vid = vid_end; |
225 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; | |
226 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
227 | sizeof(vinfo), &vinfo)) | |
228 | goto nla_put_failure; | |
229 | } else { | |
230 | vinfo.vid = vid_start; | |
231 | vinfo.flags = flags; | |
232 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
233 | sizeof(vinfo), &vinfo)) | |
234 | goto nla_put_failure; | |
235 | } | |
236 | ||
237 | return 0; | |
238 | ||
239 | nla_put_failure: | |
240 | return -EMSGSIZE; | |
241 | } | |
242 | ||
243 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, | |
77751ee8 | 244 | struct net_bridge_vlan_group *vg) |
36cd0ffb | 245 | { |
2594e906 NA |
246 | struct net_bridge_vlan *v; |
247 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 248 | u16 flags, pvid; |
36cd0ffb RP |
249 | int err = 0; |
250 | ||
251 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan | |
252 | * and mark vlan info with begin and end flags | |
253 | * if vlaninfo represents a range | |
254 | */ | |
77751ee8 | 255 | pvid = br_get_pvid(vg); |
e9c953ef | 256 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
36cd0ffb | 257 | flags = 0; |
2594e906 NA |
258 | if (!br_vlan_should_use(v)) |
259 | continue; | |
260 | if (v->vid == pvid) | |
36cd0ffb RP |
261 | flags |= BRIDGE_VLAN_INFO_PVID; |
262 | ||
2594e906 | 263 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
264 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
265 | ||
266 | if (vid_range_start == 0) { | |
267 | goto initvars; | |
2594e906 | 268 | } else if ((v->vid - vid_range_end) == 1 && |
36cd0ffb | 269 | flags == vid_range_flags) { |
2594e906 | 270 | vid_range_end = v->vid; |
36cd0ffb RP |
271 | continue; |
272 | } else { | |
273 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
274 | vid_range_end, | |
275 | vid_range_flags); | |
276 | if (err) | |
277 | return err; | |
278 | } | |
279 | ||
280 | initvars: | |
2594e906 NA |
281 | vid_range_start = v->vid; |
282 | vid_range_end = v->vid; | |
36cd0ffb RP |
283 | vid_range_flags = flags; |
284 | } | |
285 | ||
0fe6de49 RP |
286 | if (vid_range_start != 0) { |
287 | /* Call it once more to send any left over vlans */ | |
288 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
289 | vid_range_end, | |
290 | vid_range_flags); | |
291 | if (err) | |
292 | return err; | |
293 | } | |
36cd0ffb RP |
294 | |
295 | return 0; | |
296 | } | |
297 | ||
298 | static int br_fill_ifvlaninfo(struct sk_buff *skb, | |
77751ee8 | 299 | struct net_bridge_vlan_group *vg) |
36cd0ffb RP |
300 | { |
301 | struct bridge_vlan_info vinfo; | |
2594e906 | 302 | struct net_bridge_vlan *v; |
77751ee8 | 303 | u16 pvid; |
36cd0ffb | 304 | |
77751ee8 | 305 | pvid = br_get_pvid(vg); |
e9c953ef | 306 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
2594e906 NA |
307 | if (!br_vlan_should_use(v)) |
308 | continue; | |
309 | ||
310 | vinfo.vid = v->vid; | |
36cd0ffb | 311 | vinfo.flags = 0; |
2594e906 | 312 | if (v->vid == pvid) |
36cd0ffb RP |
313 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
314 | ||
2594e906 | 315 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
316 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
317 | ||
318 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
319 | sizeof(vinfo), &vinfo)) | |
320 | goto nla_put_failure; | |
321 | } | |
322 | ||
323 | return 0; | |
324 | ||
325 | nla_put_failure: | |
326 | return -EMSGSIZE; | |
327 | } | |
328 | ||
11dc1f36 SH |
329 | /* |
330 | * Create one netlink message for one interface | |
331 | * Contains port and master info as well as carrier and bridge state. | |
332 | */ | |
6cbdceeb | 333 | static int br_fill_ifinfo(struct sk_buff *skb, |
2594e906 | 334 | struct net_bridge_port *port, |
6cbdceeb VY |
335 | u32 pid, u32 seq, int event, unsigned int flags, |
336 | u32 filter_mask, const struct net_device *dev) | |
11dc1f36 | 337 | { |
2594e906 | 338 | struct net_bridge *br; |
74685962 | 339 | struct ifinfomsg *hdr; |
11dc1f36 | 340 | struct nlmsghdr *nlh; |
11dc1f36 | 341 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
11dc1f36 | 342 | |
6cbdceeb VY |
343 | if (port) |
344 | br = port->br; | |
345 | else | |
346 | br = netdev_priv(dev); | |
347 | ||
28a16c97 | 348 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
349 | event, dev->name, br->dev->name); | |
11dc1f36 | 350 | |
74685962 TG |
351 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
352 | if (nlh == NULL) | |
26932566 | 353 | return -EMSGSIZE; |
11dc1f36 | 354 | |
74685962 TG |
355 | hdr = nlmsg_data(nlh); |
356 | hdr->ifi_family = AF_BRIDGE; | |
357 | hdr->__ifi_pad = 0; | |
358 | hdr->ifi_type = dev->type; | |
359 | hdr->ifi_index = dev->ifindex; | |
360 | hdr->ifi_flags = dev_get_flags(dev); | |
361 | hdr->ifi_change = 0; | |
11dc1f36 | 362 | |
2eb812e6 DM |
363 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
364 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || | |
365 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || | |
366 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || | |
367 | (dev->addr_len && | |
368 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || | |
a54acb3a ND |
369 | (dev->ifindex != dev_get_iflink(dev) && |
370 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) | |
2eb812e6 | 371 | goto nla_put_failure; |
25c71c75 | 372 | |
6cbdceeb | 373 | if (event == RTM_NEWLINK && port) { |
25c71c75 | 374 | struct nlattr *nest |
375 | = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED); | |
376 | ||
377 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) | |
378 | goto nla_put_failure; | |
379 | nla_nest_end(skb, nest); | |
380 | } | |
381 | ||
6cbdceeb | 382 | /* Check if the VID information is requested */ |
36cd0ffb RP |
383 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
384 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { | |
2594e906 | 385 | struct net_bridge_vlan_group *vg; |
36cd0ffb RP |
386 | struct nlattr *af; |
387 | int err; | |
6cbdceeb | 388 | |
e9c953ef NA |
389 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
390 | rcu_read_lock(); | |
77751ee8 | 391 | if (port) |
e9c953ef | 392 | vg = nbp_vlan_group_rcu(port); |
77751ee8 | 393 | else |
e9c953ef | 394 | vg = br_vlan_group_rcu(br); |
6cbdceeb | 395 | |
e9c953ef NA |
396 | if (!vg || !vg->num_vlans) { |
397 | rcu_read_unlock(); | |
6cbdceeb | 398 | goto done; |
e9c953ef | 399 | } |
6cbdceeb | 400 | af = nla_nest_start(skb, IFLA_AF_SPEC); |
e9c953ef NA |
401 | if (!af) { |
402 | rcu_read_unlock(); | |
6cbdceeb | 403 | goto nla_put_failure; |
e9c953ef | 404 | } |
36cd0ffb | 405 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
77751ee8 | 406 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
36cd0ffb | 407 | else |
77751ee8 | 408 | err = br_fill_ifvlaninfo(skb, vg); |
e9c953ef | 409 | rcu_read_unlock(); |
36cd0ffb RP |
410 | if (err) |
411 | goto nla_put_failure; | |
6cbdceeb VY |
412 | nla_nest_end(skb, af); |
413 | } | |
414 | ||
415 | done: | |
053c095a JB |
416 | nlmsg_end(skb, nlh); |
417 | return 0; | |
11dc1f36 | 418 | |
74685962 | 419 | nla_put_failure: |
26932566 PM |
420 | nlmsg_cancel(skb, nlh); |
421 | return -EMSGSIZE; | |
11dc1f36 SH |
422 | } |
423 | ||
424 | /* | |
425 | * Notify listeners of a change in port information | |
426 | */ | |
427 | void br_ifinfo_notify(int event, struct net_bridge_port *port) | |
428 | { | |
407af329 | 429 | struct net *net; |
11dc1f36 | 430 | struct sk_buff *skb; |
280a306c | 431 | int err = -ENOBUFS; |
fed0a159 | 432 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; |
11dc1f36 | 433 | |
407af329 VY |
434 | if (!port) |
435 | return; | |
436 | ||
437 | net = dev_net(port->dev); | |
28a16c97 | 438 | br_debug(port->br, "port %u(%s) event %d\n", |
95c96174 | 439 | (unsigned int)port->port_no, port->dev->name, event); |
28a16c97 | 440 | |
fed0a159 | 441 | skb = nlmsg_new(br_nlmsg_size(port->dev, filter), GFP_ATOMIC); |
280a306c TG |
442 | if (skb == NULL) |
443 | goto errout; | |
444 | ||
fed0a159 | 445 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, port->dev); |
26932566 PM |
446 | if (err < 0) { |
447 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ | |
448 | WARN_ON(err == -EMSGSIZE); | |
449 | kfree_skb(skb); | |
450 | goto errout; | |
451 | } | |
1ce85fe4 PNA |
452 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
453 | return; | |
280a306c | 454 | errout: |
87e823b3 | 455 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
11dc1f36 SH |
456 | } |
457 | ||
407af329 | 458 | |
11dc1f36 SH |
459 | /* |
460 | * Dump information about all ports, in response to GETLINK | |
461 | */ | |
e5a55a89 | 462 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
46c264da | 463 | struct net_device *dev, u32 filter_mask, int nlflags) |
11dc1f36 | 464 | { |
1fb1754a | 465 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
e5a55a89 | 466 | |
36cd0ffb RP |
467 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
468 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) | |
1b846f92 | 469 | return 0; |
11dc1f36 | 470 | |
46c264da | 471 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
1b846f92 | 472 | filter_mask, dev); |
11dc1f36 SH |
473 | } |
474 | ||
bdced7ef RP |
475 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
476 | int cmd, struct bridge_vlan_info *vinfo) | |
477 | { | |
478 | int err = 0; | |
479 | ||
480 | switch (cmd) { | |
481 | case RTM_SETLINK: | |
482 | if (p) { | |
2594e906 NA |
483 | /* if the MASTER flag is set this will act on the global |
484 | * per-VLAN entry as well | |
485 | */ | |
bdced7ef RP |
486 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags); |
487 | if (err) | |
488 | break; | |
bdced7ef | 489 | } else { |
2594e906 | 490 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
bdced7ef RP |
491 | err = br_vlan_add(br, vinfo->vid, vinfo->flags); |
492 | } | |
493 | break; | |
494 | ||
495 | case RTM_DELLINK: | |
496 | if (p) { | |
497 | nbp_vlan_delete(p, vinfo->vid); | |
498 | if (vinfo->flags & BRIDGE_VLAN_INFO_MASTER) | |
499 | br_vlan_delete(p->br, vinfo->vid); | |
500 | } else { | |
501 | br_vlan_delete(br, vinfo->vid); | |
502 | } | |
503 | break; | |
504 | } | |
505 | ||
506 | return err; | |
507 | } | |
407af329 VY |
508 | |
509 | static int br_afspec(struct net_bridge *br, | |
510 | struct net_bridge_port *p, | |
511 | struct nlattr *af_spec, | |
512 | int cmd) | |
513 | { | |
bdced7ef RP |
514 | struct bridge_vlan_info *vinfo_start = NULL; |
515 | struct bridge_vlan_info *vinfo = NULL; | |
516 | struct nlattr *attr; | |
407af329 | 517 | int err = 0; |
bdced7ef | 518 | int rem; |
407af329 | 519 | |
bdced7ef RP |
520 | nla_for_each_nested(attr, af_spec, rem) { |
521 | if (nla_type(attr) != IFLA_BRIDGE_VLAN_INFO) | |
522 | continue; | |
523 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) | |
524 | return -EINVAL; | |
525 | vinfo = nla_data(attr); | |
462e1ead NA |
526 | if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) |
527 | return -EINVAL; | |
bdced7ef RP |
528 | if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { |
529 | if (vinfo_start) | |
530 | return -EINVAL; | |
531 | vinfo_start = vinfo; | |
6623c60d NA |
532 | /* don't allow range of pvids */ |
533 | if (vinfo_start->flags & BRIDGE_VLAN_INFO_PVID) | |
534 | return -EINVAL; | |
bdced7ef RP |
535 | continue; |
536 | } | |
407af329 | 537 | |
bdced7ef RP |
538 | if (vinfo_start) { |
539 | struct bridge_vlan_info tmp_vinfo; | |
540 | int v; | |
407af329 | 541 | |
bdced7ef RP |
542 | if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END)) |
543 | return -EINVAL; | |
407af329 | 544 | |
bdced7ef RP |
545 | if (vinfo->vid <= vinfo_start->vid) |
546 | return -EINVAL; | |
547 | ||
548 | memcpy(&tmp_vinfo, vinfo_start, | |
549 | sizeof(struct bridge_vlan_info)); | |
407af329 | 550 | |
bdced7ef RP |
551 | for (v = vinfo_start->vid; v <= vinfo->vid; v++) { |
552 | tmp_vinfo.vid = v; | |
553 | err = br_vlan_info(br, p, cmd, &tmp_vinfo); | |
407af329 VY |
554 | if (err) |
555 | break; | |
bdced7ef RP |
556 | } |
557 | vinfo_start = NULL; | |
558 | } else { | |
559 | err = br_vlan_info(br, p, cmd, vinfo); | |
407af329 | 560 | } |
bdced7ef RP |
561 | if (err) |
562 | break; | |
407af329 VY |
563 | } |
564 | ||
565 | return err; | |
566 | } | |
567 | ||
3ac636b8 | 568 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
25c71c75 | 569 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
570 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
571 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
572 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
a2e01a65 | 573 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
1007dd1a | 574 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
6f705d8c | 575 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
9ba18891 | 576 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
867a5943 | 577 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
355b9f9d | 578 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
786c2077 | 579 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
5d6ae479 | 580 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
25c71c75 | 581 | }; |
582 | ||
583 | /* Change the state of the port and notify spanning tree */ | |
584 | static int br_set_port_state(struct net_bridge_port *p, u8 state) | |
585 | { | |
586 | if (state > BR_STATE_BLOCKING) | |
587 | return -EINVAL; | |
588 | ||
589 | /* if kernel STP is running, don't allow changes */ | |
590 | if (p->br->stp_enabled == BR_KERNEL_STP) | |
591 | return -EBUSY; | |
592 | ||
576eb625 | 593 | /* if device is not up, change is not allowed |
594 | * if link is not present, only allowable state is disabled | |
595 | */ | |
25c71c75 | 596 | if (!netif_running(p->dev) || |
576eb625 | 597 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
25c71c75 | 598 | return -ENETDOWN; |
599 | ||
775dd692 | 600 | br_set_state(p, state); |
25c71c75 | 601 | br_port_state_selection(p->br); |
602 | return 0; | |
603 | } | |
604 | ||
605 | /* Set/clear or port flags based on attribute */ | |
606 | static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], | |
607 | int attrtype, unsigned long mask) | |
608 | { | |
609 | if (tb[attrtype]) { | |
610 | u8 flag = nla_get_u8(tb[attrtype]); | |
611 | if (flag) | |
612 | p->flags |= mask; | |
613 | else | |
614 | p->flags &= ~mask; | |
615 | } | |
616 | } | |
617 | ||
618 | /* Process bridge protocol info on port */ | |
619 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) | |
620 | { | |
621 | int err; | |
e028e4b8 | 622 | unsigned long old_flags = p->flags; |
25c71c75 | 623 | |
624 | br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); | |
a2e01a65 | 625 | br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); |
c2d3babf | 626 | br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); |
3d84fa98 | 627 | br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); |
9ba18891 | 628 | br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); |
867a5943 | 629 | br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); |
95850116 | 630 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); |
842a9ae0 | 631 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); |
25c71c75 | 632 | |
633 | if (tb[IFLA_BRPORT_COST]) { | |
634 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); | |
635 | if (err) | |
636 | return err; | |
637 | } | |
638 | ||
639 | if (tb[IFLA_BRPORT_PRIORITY]) { | |
640 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); | |
641 | if (err) | |
642 | return err; | |
643 | } | |
644 | ||
645 | if (tb[IFLA_BRPORT_STATE]) { | |
646 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); | |
647 | if (err) | |
648 | return err; | |
649 | } | |
e028e4b8 | 650 | |
9b0c6e4d NA |
651 | if (tb[IFLA_BRPORT_FLUSH]) |
652 | br_fdb_delete_by_port(p->br, p, 0, 0); | |
653 | ||
5d6ae479 NA |
654 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
655 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { | |
656 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); | |
657 | ||
658 | err = br_multicast_set_port_router(p, mcast_router); | |
659 | if (err) | |
660 | return err; | |
661 | } | |
662 | #endif | |
e028e4b8 | 663 | br_port_flags_change(p, old_flags ^ p->flags); |
25c71c75 | 664 | return 0; |
665 | } | |
666 | ||
667 | /* Change state and parameters on port. */ | |
add511b3 | 668 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
11dc1f36 | 669 | { |
74685962 | 670 | struct nlattr *protinfo; |
407af329 | 671 | struct nlattr *afspec; |
11dc1f36 | 672 | struct net_bridge_port *p; |
2062cc20 | 673 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; |
41c498b9 | 674 | int err = 0; |
11dc1f36 | 675 | |
c60ee67f H |
676 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
677 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
407af329 | 678 | if (!protinfo && !afspec) |
25c71c75 | 679 | return 0; |
11dc1f36 | 680 | |
ec1e5610 | 681 | p = br_port_get_rtnl(dev); |
407af329 | 682 | /* We want to accept dev as bridge itself if the AF_SPEC |
8e3bff96 | 683 | * is set to see if someone is setting vlan info on the bridge |
407af329 | 684 | */ |
7b99a993 | 685 | if (!p && !afspec) |
b5ed54e9 | 686 | return -EINVAL; |
11dc1f36 | 687 | |
407af329 VY |
688 | if (p && protinfo) { |
689 | if (protinfo->nla_type & NLA_F_NESTED) { | |
690 | err = nla_parse_nested(tb, IFLA_BRPORT_MAX, | |
3ac636b8 | 691 | protinfo, br_port_policy); |
407af329 VY |
692 | if (err) |
693 | return err; | |
694 | ||
695 | spin_lock_bh(&p->br->lock); | |
696 | err = br_setport(p, tb); | |
697 | spin_unlock_bh(&p->br->lock); | |
698 | } else { | |
8e3bff96 | 699 | /* Binary compatibility with old RSTP */ |
407af329 VY |
700 | if (nla_len(protinfo) < sizeof(u8)) |
701 | return -EINVAL; | |
702 | ||
703 | spin_lock_bh(&p->br->lock); | |
704 | err = br_set_port_state(p, nla_get_u8(protinfo)); | |
705 | spin_unlock_bh(&p->br->lock); | |
706 | } | |
25c71c75 | 707 | if (err) |
407af329 VY |
708 | goto out; |
709 | } | |
11dc1f36 | 710 | |
407af329 VY |
711 | if (afspec) { |
712 | err = br_afspec((struct net_bridge *)netdev_priv(dev), p, | |
713 | afspec, RTM_SETLINK); | |
25c71c75 | 714 | } |
b03b6dd5 | 715 | |
25c71c75 | 716 | if (err == 0) |
717 | br_ifinfo_notify(RTM_NEWLINK, p); | |
407af329 | 718 | out: |
25c71c75 | 719 | return err; |
11dc1f36 SH |
720 | } |
721 | ||
407af329 | 722 | /* Delete port information */ |
add511b3 | 723 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
407af329 | 724 | { |
407af329 VY |
725 | struct nlattr *afspec; |
726 | struct net_bridge_port *p; | |
8508025c | 727 | int err = 0; |
407af329 | 728 | |
c60ee67f | 729 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
407af329 VY |
730 | if (!afspec) |
731 | return 0; | |
732 | ||
733 | p = br_port_get_rtnl(dev); | |
734 | /* We want to accept dev as bridge itself as well */ | |
735 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) | |
736 | return -EINVAL; | |
737 | ||
738 | err = br_afspec((struct net_bridge *)netdev_priv(dev), p, | |
739 | afspec, RTM_DELLINK); | |
02dba438 RP |
740 | if (err == 0) |
741 | /* Send RTM_NEWLINK because userspace | |
742 | * expects RTM_NEWLINK for vlan dels | |
743 | */ | |
744 | br_ifinfo_notify(RTM_NEWLINK, p); | |
407af329 VY |
745 | |
746 | return err; | |
747 | } | |
bb900b27 | 748 | static int br_validate(struct nlattr *tb[], struct nlattr *data[]) |
749 | { | |
750 | if (tb[IFLA_ADDRESS]) { | |
751 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
752 | return -EINVAL; | |
753 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
754 | return -EADDRNOTAVAIL; | |
755 | } | |
756 | ||
d2d427b3 TM |
757 | if (!data) |
758 | return 0; | |
759 | ||
760 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
761 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
762 | switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { | |
763 | case htons(ETH_P_8021Q): | |
764 | case htons(ETH_P_8021AD): | |
765 | break; | |
766 | default: | |
767 | return -EPROTONOSUPPORT; | |
768 | } | |
769 | } | |
770 | #endif | |
771 | ||
bb900b27 | 772 | return 0; |
773 | } | |
774 | ||
30313a3d TM |
775 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
776 | struct nlattr *tb[], struct nlattr *data[]) | |
777 | { | |
778 | struct net_bridge *br = netdev_priv(dev); | |
779 | ||
780 | if (tb[IFLA_ADDRESS]) { | |
781 | spin_lock_bh(&br->lock); | |
782 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); | |
783 | spin_unlock_bh(&br->lock); | |
784 | } | |
785 | ||
786 | return register_netdevice(dev); | |
787 | } | |
788 | ||
3ac636b8 JP |
789 | static int br_port_slave_changelink(struct net_device *brdev, |
790 | struct net_device *dev, | |
791 | struct nlattr *tb[], | |
792 | struct nlattr *data[]) | |
793 | { | |
963ad948 NA |
794 | struct net_bridge *br = netdev_priv(brdev); |
795 | int ret; | |
796 | ||
3ac636b8 JP |
797 | if (!data) |
798 | return 0; | |
963ad948 NA |
799 | |
800 | spin_lock_bh(&br->lock); | |
801 | ret = br_setport(br_port_get_rtnl(dev), data); | |
802 | spin_unlock_bh(&br->lock); | |
803 | ||
804 | return ret; | |
3ac636b8 JP |
805 | } |
806 | ||
ced8283f JP |
807 | static int br_port_fill_slave_info(struct sk_buff *skb, |
808 | const struct net_device *brdev, | |
809 | const struct net_device *dev) | |
810 | { | |
811 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); | |
812 | } | |
813 | ||
814 | static size_t br_port_get_slave_size(const struct net_device *brdev, | |
815 | const struct net_device *dev) | |
816 | { | |
817 | return br_port_info_size(); | |
818 | } | |
819 | ||
13323516 JP |
820 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
821 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, | |
822 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, | |
823 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, | |
af615762 JT |
824 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
825 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, | |
826 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, | |
a7854037 | 827 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
d2d427b3 | 828 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
7910228b | 829 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
111189ab NA |
830 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
831 | .len = ETH_ALEN }, | |
a9a6bc70 | 832 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
89126327 | 833 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
295141d9 | 834 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
ba062d7c | 835 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
431db3c0 | 836 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
858079fd | 837 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
79b859f5 | 838 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
b89e6bab | 839 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
7e4df51e NA |
840 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
841 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, | |
842 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, | |
843 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, | |
844 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, | |
845 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, | |
93870cc0 NA |
846 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
847 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, | |
848 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, | |
0f963b75 | 849 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
13323516 JP |
850 | }; |
851 | ||
852 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], | |
853 | struct nlattr *data[]) | |
854 | { | |
855 | struct net_bridge *br = netdev_priv(brdev); | |
856 | int err; | |
857 | ||
858 | if (!data) | |
859 | return 0; | |
860 | ||
861 | if (data[IFLA_BR_FORWARD_DELAY]) { | |
862 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); | |
863 | if (err) | |
864 | return err; | |
865 | } | |
866 | ||
867 | if (data[IFLA_BR_HELLO_TIME]) { | |
868 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); | |
869 | if (err) | |
870 | return err; | |
871 | } | |
872 | ||
873 | if (data[IFLA_BR_MAX_AGE]) { | |
874 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); | |
875 | if (err) | |
876 | return err; | |
877 | } | |
878 | ||
af615762 | 879 | if (data[IFLA_BR_AGEING_TIME]) { |
c62987bb SF |
880 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
881 | if (err) | |
882 | return err; | |
af615762 JT |
883 | } |
884 | ||
885 | if (data[IFLA_BR_STP_STATE]) { | |
886 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); | |
887 | ||
888 | br_stp_set_enabled(br, stp_enabled); | |
889 | } | |
890 | ||
891 | if (data[IFLA_BR_PRIORITY]) { | |
892 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); | |
893 | ||
894 | br_stp_set_bridge_priority(br, priority); | |
895 | } | |
896 | ||
a7854037 NA |
897 | if (data[IFLA_BR_VLAN_FILTERING]) { |
898 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); | |
899 | ||
900 | err = __br_vlan_filter_toggle(br, vlan_filter); | |
901 | if (err) | |
902 | return err; | |
903 | } | |
904 | ||
d2d427b3 TM |
905 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
906 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
907 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); | |
908 | ||
909 | err = __br_vlan_set_proto(br, vlan_proto); | |
910 | if (err) | |
911 | return err; | |
912 | } | |
0f963b75 NA |
913 | |
914 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
915 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
916 | ||
917 | err = __br_vlan_set_default_pvid(br, defpvid); | |
918 | if (err) | |
919 | return err; | |
920 | } | |
d2d427b3 TM |
921 | #endif |
922 | ||
7910228b NA |
923 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
924 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); | |
925 | ||
926 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) | |
927 | return -EINVAL; | |
928 | br->group_fwd_mask = fwd_mask; | |
929 | } | |
930 | ||
111189ab NA |
931 | if (data[IFLA_BR_GROUP_ADDR]) { |
932 | u8 new_addr[ETH_ALEN]; | |
933 | ||
934 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) | |
935 | return -EINVAL; | |
936 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); | |
937 | if (!is_link_local_ether_addr(new_addr)) | |
938 | return -EINVAL; | |
939 | if (new_addr[5] == 1 || /* 802.3x Pause address */ | |
940 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
941 | new_addr[5] == 3) /* 802.1X PAE address */ | |
942 | return -EINVAL; | |
943 | spin_lock_bh(&br->lock); | |
944 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); | |
945 | spin_unlock_bh(&br->lock); | |
946 | br->group_addr_set = true; | |
947 | br_recalculate_fwd_mask(br); | |
948 | } | |
949 | ||
150217c6 NA |
950 | if (data[IFLA_BR_FDB_FLUSH]) |
951 | br_fdb_flush(br); | |
952 | ||
a9a6bc70 NA |
953 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
954 | if (data[IFLA_BR_MCAST_ROUTER]) { | |
955 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); | |
956 | ||
957 | err = br_multicast_set_router(br, multicast_router); | |
958 | if (err) | |
959 | return err; | |
960 | } | |
89126327 NA |
961 | |
962 | if (data[IFLA_BR_MCAST_SNOOPING]) { | |
963 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); | |
964 | ||
965 | err = br_multicast_toggle(br, mcast_snooping); | |
966 | if (err) | |
967 | return err; | |
968 | } | |
295141d9 NA |
969 | |
970 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { | |
971 | u8 val; | |
972 | ||
973 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); | |
974 | br->multicast_query_use_ifaddr = !!val; | |
975 | } | |
ba062d7c NA |
976 | |
977 | if (data[IFLA_BR_MCAST_QUERIER]) { | |
978 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); | |
979 | ||
980 | err = br_multicast_set_querier(br, mcast_querier); | |
981 | if (err) | |
982 | return err; | |
983 | } | |
431db3c0 NA |
984 | |
985 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) { | |
986 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_HASH_ELASTICITY]); | |
987 | ||
988 | br->hash_elasticity = val; | |
989 | } | |
858079fd NA |
990 | |
991 | if (data[IFLA_BR_MCAST_HASH_MAX]) { | |
992 | u32 hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); | |
993 | ||
994 | err = br_multicast_set_hash_max(br, hash_max); | |
995 | if (err) | |
996 | return err; | |
997 | } | |
79b859f5 NA |
998 | |
999 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { | |
1000 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); | |
1001 | ||
1002 | br->multicast_last_member_count = val; | |
1003 | } | |
b89e6bab NA |
1004 | |
1005 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { | |
1006 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); | |
1007 | ||
1008 | br->multicast_startup_query_count = val; | |
1009 | } | |
7e4df51e NA |
1010 | |
1011 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { | |
1012 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); | |
1013 | ||
1014 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
1015 | } | |
1016 | ||
1017 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { | |
1018 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); | |
1019 | ||
1020 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
1021 | } | |
1022 | ||
1023 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { | |
1024 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); | |
1025 | ||
1026 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
1027 | } | |
1028 | ||
1029 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { | |
1030 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); | |
1031 | ||
1032 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
1033 | } | |
1034 | ||
1035 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { | |
1036 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); | |
1037 | ||
1038 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
1039 | } | |
1040 | ||
1041 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { | |
1042 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); | |
1043 | ||
1044 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
1045 | } | |
a9a6bc70 | 1046 | #endif |
93870cc0 NA |
1047 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1048 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { | |
1049 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); | |
1050 | ||
1051 | br->nf_call_iptables = val ? true : false; | |
1052 | } | |
1053 | ||
1054 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { | |
1055 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); | |
1056 | ||
1057 | br->nf_call_ip6tables = val ? true : false; | |
1058 | } | |
1059 | ||
1060 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { | |
1061 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); | |
1062 | ||
1063 | br->nf_call_arptables = val ? true : false; | |
1064 | } | |
1065 | #endif | |
a9a6bc70 | 1066 | |
13323516 JP |
1067 | return 0; |
1068 | } | |
1069 | ||
e5c3ea5c JP |
1070 | static size_t br_get_size(const struct net_device *brdev) |
1071 | { | |
1072 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ | |
1073 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ | |
1074 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ | |
af615762 JT |
1075 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
1076 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ | |
1077 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ | |
a7854037 | 1078 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
d2d427b3 TM |
1079 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1080 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ | |
0f963b75 | 1081 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
d2d427b3 | 1082 | #endif |
7910228b | 1083 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
5127c81f | 1084 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
7599a220 | 1085 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
8762ba68 | 1086 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
684dd248 | 1087 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
b89e6bab NA |
1088 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
1089 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ | |
d76bd14e NA |
1090 | nla_total_size(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
1091 | nla_total_size(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ | |
1092 | nla_total_size(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ | |
1093 | nla_total_size(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ | |
111189ab | 1094 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
a9a6bc70 NA |
1095 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1096 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ | |
89126327 | 1097 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
295141d9 | 1098 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
ba062d7c | 1099 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
b89e6bab NA |
1100 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
1101 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ | |
1102 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ | |
1103 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ | |
7e4df51e NA |
1104 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
1105 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ | |
1106 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ | |
1107 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ | |
1108 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ | |
1109 | nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ | |
93870cc0 NA |
1110 | #endif |
1111 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) | |
1112 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ | |
1113 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ | |
1114 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ | |
a9a6bc70 | 1115 | #endif |
e5c3ea5c JP |
1116 | 0; |
1117 | } | |
1118 | ||
1119 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) | |
1120 | { | |
1121 | struct net_bridge *br = netdev_priv(brdev); | |
1122 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); | |
1123 | u32 hello_time = jiffies_to_clock_t(br->hello_time); | |
1124 | u32 age_time = jiffies_to_clock_t(br->max_age); | |
af615762 JT |
1125 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
1126 | u32 stp_enabled = br->stp_enabled; | |
1127 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; | |
a7854037 | 1128 | u8 vlan_enabled = br_vlan_enabled(br); |
4917a154 NA |
1129 | u64 clockval; |
1130 | ||
1131 | clockval = br_timer_value(&br->hello_timer); | |
1132 | if (nla_put_u64(skb, IFLA_BR_HELLO_TIMER, clockval)) | |
1133 | return -EMSGSIZE; | |
1134 | clockval = br_timer_value(&br->tcn_timer); | |
1135 | if (nla_put_u64(skb, IFLA_BR_TCN_TIMER, clockval)) | |
1136 | return -EMSGSIZE; | |
1137 | clockval = br_timer_value(&br->topology_change_timer); | |
1138 | if (nla_put_u64(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval)) | |
1139 | return -EMSGSIZE; | |
1140 | clockval = br_timer_value(&br->gc_timer); | |
1141 | if (nla_put_u64(skb, IFLA_BR_GC_TIMER, clockval)) | |
1142 | return -EMSGSIZE; | |
e5c3ea5c JP |
1143 | |
1144 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || | |
1145 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || | |
af615762 JT |
1146 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
1147 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || | |
1148 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || | |
a7854037 | 1149 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
7910228b | 1150 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
4917a154 NA |
1151 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
1152 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
1153 | &br->bridge_id) || | |
1154 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), | |
1155 | &br->designated_root) || | |
684dd248 | 1156 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
ed416309 NA |
1157 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
1158 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || | |
1159 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
d76bd14e | 1160 | br->topology_change_detected) || |
111189ab | 1161 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr)) |
e5c3ea5c JP |
1162 | return -EMSGSIZE; |
1163 | ||
d2d427b3 | 1164 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
0f963b75 NA |
1165 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
1166 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid)) | |
d2d427b3 TM |
1167 | return -EMSGSIZE; |
1168 | #endif | |
a9a6bc70 | 1169 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
89126327 | 1170 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || |
295141d9 NA |
1171 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, !br->multicast_disabled) || |
1172 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, | |
ba062d7c | 1173 | br->multicast_query_use_ifaddr) || |
431db3c0 NA |
1174 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, br->multicast_querier) || |
1175 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, | |
858079fd | 1176 | br->hash_elasticity) || |
79b859f5 NA |
1177 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
1178 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
b89e6bab NA |
1179 | br->multicast_last_member_count) || |
1180 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
1181 | br->multicast_startup_query_count)) | |
a9a6bc70 | 1182 | return -EMSGSIZE; |
7e4df51e NA |
1183 | |
1184 | clockval = jiffies_to_clock_t(br->multicast_last_member_interval); | |
1185 | if (nla_put_u64(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval)) | |
1186 | return -EMSGSIZE; | |
1187 | clockval = jiffies_to_clock_t(br->multicast_membership_interval); | |
1188 | if (nla_put_u64(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval)) | |
1189 | return -EMSGSIZE; | |
1190 | clockval = jiffies_to_clock_t(br->multicast_querier_interval); | |
1191 | if (nla_put_u64(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval)) | |
1192 | return -EMSGSIZE; | |
1193 | clockval = jiffies_to_clock_t(br->multicast_query_interval); | |
1194 | if (nla_put_u64(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval)) | |
1195 | return -EMSGSIZE; | |
1196 | clockval = jiffies_to_clock_t(br->multicast_query_response_interval); | |
1197 | if (nla_put_u64(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval)) | |
1198 | return -EMSGSIZE; | |
1199 | clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); | |
1200 | if (nla_put_u64(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval)) | |
1201 | return -EMSGSIZE; | |
a9a6bc70 | 1202 | #endif |
93870cc0 NA |
1203 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1204 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, | |
1205 | br->nf_call_iptables ? 1 : 0) || | |
1206 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, | |
1207 | br->nf_call_ip6tables ? 1 : 0) || | |
1208 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, | |
1209 | br->nf_call_arptables ? 1 : 0)) | |
1210 | return -EMSGSIZE; | |
1211 | #endif | |
a9a6bc70 | 1212 | |
e5c3ea5c JP |
1213 | return 0; |
1214 | } | |
1215 | ||
fed0a159 | 1216 | |
207895fd | 1217 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
6cbdceeb | 1218 | .family = AF_BRIDGE, |
b1974ed0 | 1219 | .get_link_af_size = br_get_link_af_size_filtered, |
6cbdceeb VY |
1220 | }; |
1221 | ||
149ddd83 | 1222 | struct rtnl_link_ops br_link_ops __read_mostly = { |
ced8283f JP |
1223 | .kind = "bridge", |
1224 | .priv_size = sizeof(struct net_bridge), | |
1225 | .setup = br_dev_setup, | |
eb4cb851 | 1226 | .maxtype = IFLA_BR_MAX, |
13323516 | 1227 | .policy = br_policy, |
ced8283f JP |
1228 | .validate = br_validate, |
1229 | .newlink = br_dev_newlink, | |
13323516 | 1230 | .changelink = br_changelink, |
ced8283f | 1231 | .dellink = br_dev_delete, |
e5c3ea5c JP |
1232 | .get_size = br_get_size, |
1233 | .fill_info = br_fill_info, | |
3ac636b8 JP |
1234 | |
1235 | .slave_maxtype = IFLA_BRPORT_MAX, | |
1236 | .slave_policy = br_port_policy, | |
1237 | .slave_changelink = br_port_slave_changelink, | |
ced8283f JP |
1238 | .get_slave_size = br_port_get_slave_size, |
1239 | .fill_slave_info = br_port_fill_slave_info, | |
bb900b27 | 1240 | }; |
11dc1f36 | 1241 | |
32fe21c0 | 1242 | int __init br_netlink_init(void) |
11dc1f36 | 1243 | { |
3ec8e9f0 VY |
1244 | int err; |
1245 | ||
1246 | br_mdb_init(); | |
3678a9d8 | 1247 | rtnl_af_register(&br_af_ops); |
3ec8e9f0 | 1248 | |
6cbdceeb VY |
1249 | err = rtnl_link_register(&br_link_ops); |
1250 | if (err) | |
1251 | goto out_af; | |
1252 | ||
3ec8e9f0 | 1253 | return 0; |
6cbdceeb VY |
1254 | |
1255 | out_af: | |
1256 | rtnl_af_unregister(&br_af_ops); | |
3ec8e9f0 VY |
1257 | br_mdb_uninit(); |
1258 | return err; | |
11dc1f36 SH |
1259 | } |
1260 | ||
34666d46 | 1261 | void br_netlink_fini(void) |
11dc1f36 | 1262 | { |
3ec8e9f0 | 1263 | br_mdb_uninit(); |
6cbdceeb | 1264 | rtnl_af_unregister(&br_af_ops); |
bb900b27 | 1265 | rtnl_link_unregister(&br_link_ops); |
11dc1f36 | 1266 | } |