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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
11dc1f36 SH |
2 | /* |
3 | * Bridge netlink control interface | |
4 | * | |
5 | * Authors: | |
6 | * Stephen Hemminger <shemminger@osdl.org> | |
11dc1f36 SH |
7 | */ |
8 | ||
9 | #include <linux/kernel.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
bb900b27 | 11 | #include <linux/etherdevice.h> |
32fe21c0 | 12 | #include <net/rtnetlink.h> |
881d966b | 13 | #include <net/net_namespace.h> |
b854272b | 14 | #include <net/sock.h> |
407af329 | 15 | #include <uapi/linux/if_bridge.h> |
bb900b27 | 16 | |
11dc1f36 | 17 | #include "br_private.h" |
b03b6dd5 | 18 | #include "br_private_stp.h" |
efa5356b | 19 | #include "br_private_tunnel.h" |
11dc1f36 | 20 | |
2594e906 | 21 | static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 22 | u32 filter_mask) |
fed0a159 | 23 | { |
2594e906 NA |
24 | struct net_bridge_vlan *v; |
25 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 26 | u16 flags, pvid; |
fed0a159 RP |
27 | int num_vlans = 0; |
28 | ||
fed0a159 RP |
29 | if (!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
30 | return 0; | |
31 | ||
77751ee8 | 32 | pvid = br_get_pvid(vg); |
2594e906 | 33 | /* Count number of vlan infos */ |
586c2b57 | 34 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
fed0a159 | 35 | flags = 0; |
2594e906 NA |
36 | /* only a context, bridge vlan not activated */ |
37 | if (!br_vlan_should_use(v)) | |
38 | continue; | |
39 | if (v->vid == pvid) | |
fed0a159 RP |
40 | flags |= BRIDGE_VLAN_INFO_PVID; |
41 | ||
2594e906 | 42 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
fed0a159 RP |
43 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
44 | ||
45 | if (vid_range_start == 0) { | |
46 | goto initvars; | |
2594e906 | 47 | } else if ((v->vid - vid_range_end) == 1 && |
fed0a159 | 48 | flags == vid_range_flags) { |
2594e906 | 49 | vid_range_end = v->vid; |
fed0a159 RP |
50 | continue; |
51 | } else { | |
52 | if ((vid_range_end - vid_range_start) > 0) | |
53 | num_vlans += 2; | |
54 | else | |
55 | num_vlans += 1; | |
56 | } | |
57 | initvars: | |
2594e906 NA |
58 | vid_range_start = v->vid; |
59 | vid_range_end = v->vid; | |
fed0a159 RP |
60 | vid_range_flags = flags; |
61 | } | |
62 | ||
63 | if (vid_range_start != 0) { | |
64 | if ((vid_range_end - vid_range_start) > 0) | |
65 | num_vlans += 2; | |
66 | else | |
67 | num_vlans += 1; | |
68 | } | |
69 | ||
70 | return num_vlans; | |
71 | } | |
72 | ||
2594e906 | 73 | static int br_get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 74 | u32 filter_mask) |
2594e906 | 75 | { |
586c2b57 NA |
76 | int num_vlans; |
77 | ||
2594e906 NA |
78 | if (!vg) |
79 | return 0; | |
80 | ||
81 | if (filter_mask & RTEXT_FILTER_BRVLAN) | |
82 | return vg->num_vlans; | |
83 | ||
586c2b57 NA |
84 | rcu_read_lock(); |
85 | num_vlans = __get_num_vlan_infos(vg, filter_mask); | |
86 | rcu_read_unlock(); | |
87 | ||
88 | return num_vlans; | |
2594e906 NA |
89 | } |
90 | ||
fed0a159 RP |
91 | static size_t br_get_link_af_size_filtered(const struct net_device *dev, |
92 | u32 filter_mask) | |
b7853d73 | 93 | { |
2594e906 | 94 | struct net_bridge_vlan_group *vg = NULL; |
efa5356b | 95 | struct net_bridge_port *p = NULL; |
2594e906 | 96 | struct net_bridge *br; |
fed0a159 | 97 | int num_vlan_infos; |
efa5356b | 98 | size_t vinfo_sz = 0; |
b7853d73 | 99 | |
2f56f6be | 100 | rcu_read_lock(); |
35f861e3 | 101 | if (netif_is_bridge_port(dev)) { |
2594e906 | 102 | p = br_port_get_rcu(dev); |
907b1e6e | 103 | vg = nbp_vlan_group_rcu(p); |
2594e906 NA |
104 | } else if (dev->priv_flags & IFF_EBRIDGE) { |
105 | br = netdev_priv(dev); | |
907b1e6e | 106 | vg = br_vlan_group_rcu(br); |
2594e906 | 107 | } |
77751ee8 | 108 | num_vlan_infos = br_get_num_vlan_infos(vg, filter_mask); |
2f56f6be | 109 | rcu_read_unlock(); |
b7853d73 | 110 | |
efa5356b RP |
111 | if (p && (p->flags & BR_VLAN_TUNNEL)) |
112 | vinfo_sz += br_get_vlan_tunnel_info_size(vg); | |
113 | ||
b7853d73 | 114 | /* Each VLAN is returned in bridge_vlan_info along with flags */ |
efa5356b RP |
115 | vinfo_sz += num_vlan_infos * nla_total_size(sizeof(struct bridge_vlan_info)); |
116 | ||
117 | return vinfo_sz; | |
b7853d73 RP |
118 | } |
119 | ||
25c71c75 | 120 | static inline size_t br_port_info_size(void) |
121 | { | |
122 | return nla_total_size(1) /* IFLA_BRPORT_STATE */ | |
123 | + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ | |
124 | + nla_total_size(4) /* IFLA_BRPORT_COST */ | |
125 | + nla_total_size(1) /* IFLA_BRPORT_MODE */ | |
a2e01a65 | 126 | + nla_total_size(1) /* IFLA_BRPORT_GUARD */ |
1007dd1a | 127 | + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ |
3da889b6 | 128 | + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ |
6db6f0ea | 129 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */ |
9ba18891 | 130 | + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ |
867a5943 | 131 | + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ |
9051247d TK |
132 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */ |
133 | + nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */ | |
355b9f9d | 134 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ |
786c2077 | 135 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ |
efa5356b | 136 | + nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */ |
821f1b21 | 137 | + nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */ |
7d850abd | 138 | + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */ |
4ebc7660 | 139 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ |
80df9a26 | 140 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ |
96f94e7f NA |
141 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ |
142 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ | |
42d452c4 NA |
143 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ |
144 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ | |
e08e838a NA |
145 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ |
146 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ | |
12a0faa3 ND |
147 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
148 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ | |
149 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ | |
5d6ae479 NA |
150 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
151 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ | |
152 | #endif | |
5af48b59 | 153 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */ |
25c71c75 | 154 | + 0; |
155 | } | |
156 | ||
fed0a159 | 157 | static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) |
339bf98f TG |
158 | { |
159 | return NLMSG_ALIGN(sizeof(struct ifinfomsg)) | |
25c71c75 | 160 | + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ |
161 | + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ | |
162 | + nla_total_size(4) /* IFLA_MASTER */ | |
163 | + nla_total_size(4) /* IFLA_MTU */ | |
164 | + nla_total_size(4) /* IFLA_LINK */ | |
165 | + nla_total_size(1) /* IFLA_OPERSTATE */ | |
b7853d73 | 166 | + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */ |
fed0a159 | 167 | + nla_total_size(br_get_link_af_size_filtered(dev, |
2756f68c NA |
168 | filter_mask)) /* IFLA_AF_SPEC */ |
169 | + nla_total_size(4); /* IFLA_BRPORT_BACKUP_PORT */ | |
25c71c75 | 170 | } |
171 | ||
172 | static int br_port_fill_attrs(struct sk_buff *skb, | |
173 | const struct net_bridge_port *p) | |
174 | { | |
175 | u8 mode = !!(p->flags & BR_HAIRPIN_MODE); | |
2756f68c | 176 | struct net_bridge_port *backup_p; |
61c0a9a8 | 177 | u64 timerval; |
25c71c75 | 178 | |
179 | if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) || | |
180 | nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) || | |
181 | nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || | |
a2e01a65 | 182 | nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || |
1007dd1a | 183 | nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || |
b6cb5ac8 NA |
184 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, |
185 | !!(p->flags & BR_ROOT_BLOCK)) || | |
186 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, | |
187 | !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || | |
6db6f0ea FF |
188 | nla_put_u8(skb, IFLA_BRPORT_MCAST_TO_UCAST, |
189 | !!(p->flags & BR_MULTICAST_TO_UNICAST)) || | |
867a5943 | 190 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
b6cb5ac8 NA |
191 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, |
192 | !!(p->flags & BR_FLOOD)) || | |
193 | nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, | |
194 | !!(p->flags & BR_MCAST_FLOOD)) || | |
99f906e9 MM |
195 | nla_put_u8(skb, IFLA_BRPORT_BCAST_FLOOD, |
196 | !!(p->flags & BR_BCAST_FLOOD)) || | |
842a9ae0 JM |
197 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
198 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, | |
4ebc7660 NA |
199 | !!(p->flags & BR_PROXYARP_WIFI)) || |
200 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), | |
80df9a26 NA |
201 | &p->designated_root) || |
202 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
96f94e7f NA |
203 | &p->designated_bridge) || |
204 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || | |
42d452c4 NA |
205 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
206 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || | |
e08e838a NA |
207 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
208 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
209 | p->topology_change_ack) || | |
efa5356b RP |
210 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending) || |
211 | nla_put_u8(skb, IFLA_BRPORT_VLAN_TUNNEL, !!(p->flags & | |
5af48b59 | 212 | BR_VLAN_TUNNEL)) || |
821f1b21 RP |
213 | nla_put_u16(skb, IFLA_BRPORT_GROUP_FWD_MASK, p->group_fwd_mask) || |
214 | nla_put_u8(skb, IFLA_BRPORT_NEIGH_SUPPRESS, | |
7d850abd NA |
215 | !!(p->flags & BR_NEIGH_SUPPRESS)) || |
216 | nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED))) | |
25c71c75 | 217 | return -EMSGSIZE; |
218 | ||
61c0a9a8 | 219 | timerval = br_timer_value(&p->message_age_timer); |
12a0faa3 ND |
220 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, |
221 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
222 | return -EMSGSIZE; |
223 | timerval = br_timer_value(&p->forward_delay_timer); | |
12a0faa3 ND |
224 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, |
225 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
226 | return -EMSGSIZE; |
227 | timerval = br_timer_value(&p->hold_timer); | |
12a0faa3 ND |
228 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, |
229 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
230 | return -EMSGSIZE; |
231 | ||
5d6ae479 NA |
232 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
233 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, | |
234 | p->multicast_router)) | |
235 | return -EMSGSIZE; | |
236 | #endif | |
237 | ||
2756f68c NA |
238 | /* we might be called only with br->lock */ |
239 | rcu_read_lock(); | |
240 | backup_p = rcu_dereference(p->backup_port); | |
241 | if (backup_p) | |
242 | nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT, | |
243 | backup_p->dev->ifindex); | |
244 | rcu_read_unlock(); | |
245 | ||
25c71c75 | 246 | return 0; |
339bf98f TG |
247 | } |
248 | ||
36cd0ffb RP |
249 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
250 | u16 vid_end, u16 flags) | |
251 | { | |
252 | struct bridge_vlan_info vinfo; | |
253 | ||
254 | if ((vid_end - vid_start) > 0) { | |
255 | /* add range to skb */ | |
256 | vinfo.vid = vid_start; | |
257 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; | |
258 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
259 | sizeof(vinfo), &vinfo)) | |
260 | goto nla_put_failure; | |
261 | ||
36cd0ffb RP |
262 | vinfo.vid = vid_end; |
263 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; | |
264 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
265 | sizeof(vinfo), &vinfo)) | |
266 | goto nla_put_failure; | |
267 | } else { | |
268 | vinfo.vid = vid_start; | |
269 | vinfo.flags = flags; | |
270 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
271 | sizeof(vinfo), &vinfo)) | |
272 | goto nla_put_failure; | |
273 | } | |
274 | ||
275 | return 0; | |
276 | ||
277 | nla_put_failure: | |
278 | return -EMSGSIZE; | |
279 | } | |
280 | ||
281 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, | |
77751ee8 | 282 | struct net_bridge_vlan_group *vg) |
36cd0ffb | 283 | { |
2594e906 NA |
284 | struct net_bridge_vlan *v; |
285 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 286 | u16 flags, pvid; |
36cd0ffb RP |
287 | int err = 0; |
288 | ||
289 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan | |
290 | * and mark vlan info with begin and end flags | |
291 | * if vlaninfo represents a range | |
292 | */ | |
77751ee8 | 293 | pvid = br_get_pvid(vg); |
e9c953ef | 294 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
36cd0ffb | 295 | flags = 0; |
2594e906 NA |
296 | if (!br_vlan_should_use(v)) |
297 | continue; | |
298 | if (v->vid == pvid) | |
36cd0ffb RP |
299 | flags |= BRIDGE_VLAN_INFO_PVID; |
300 | ||
2594e906 | 301 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
302 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
303 | ||
304 | if (vid_range_start == 0) { | |
305 | goto initvars; | |
2594e906 | 306 | } else if ((v->vid - vid_range_end) == 1 && |
36cd0ffb | 307 | flags == vid_range_flags) { |
2594e906 | 308 | vid_range_end = v->vid; |
36cd0ffb RP |
309 | continue; |
310 | } else { | |
311 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
312 | vid_range_end, | |
313 | vid_range_flags); | |
314 | if (err) | |
315 | return err; | |
316 | } | |
317 | ||
318 | initvars: | |
2594e906 NA |
319 | vid_range_start = v->vid; |
320 | vid_range_end = v->vid; | |
36cd0ffb RP |
321 | vid_range_flags = flags; |
322 | } | |
323 | ||
0fe6de49 RP |
324 | if (vid_range_start != 0) { |
325 | /* Call it once more to send any left over vlans */ | |
326 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
327 | vid_range_end, | |
328 | vid_range_flags); | |
329 | if (err) | |
330 | return err; | |
331 | } | |
36cd0ffb RP |
332 | |
333 | return 0; | |
334 | } | |
335 | ||
336 | static int br_fill_ifvlaninfo(struct sk_buff *skb, | |
77751ee8 | 337 | struct net_bridge_vlan_group *vg) |
36cd0ffb RP |
338 | { |
339 | struct bridge_vlan_info vinfo; | |
2594e906 | 340 | struct net_bridge_vlan *v; |
77751ee8 | 341 | u16 pvid; |
36cd0ffb | 342 | |
77751ee8 | 343 | pvid = br_get_pvid(vg); |
e9c953ef | 344 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
2594e906 NA |
345 | if (!br_vlan_should_use(v)) |
346 | continue; | |
347 | ||
348 | vinfo.vid = v->vid; | |
36cd0ffb | 349 | vinfo.flags = 0; |
2594e906 | 350 | if (v->vid == pvid) |
36cd0ffb RP |
351 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
352 | ||
2594e906 | 353 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
354 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
355 | ||
356 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
357 | sizeof(vinfo), &vinfo)) | |
358 | goto nla_put_failure; | |
359 | } | |
360 | ||
361 | return 0; | |
362 | ||
363 | nla_put_failure: | |
364 | return -EMSGSIZE; | |
365 | } | |
366 | ||
11dc1f36 SH |
367 | /* |
368 | * Create one netlink message for one interface | |
369 | * Contains port and master info as well as carrier and bridge state. | |
370 | */ | |
6cbdceeb | 371 | static int br_fill_ifinfo(struct sk_buff *skb, |
92899063 | 372 | const struct net_bridge_port *port, |
6cbdceeb VY |
373 | u32 pid, u32 seq, int event, unsigned int flags, |
374 | u32 filter_mask, const struct net_device *dev) | |
11dc1f36 | 375 | { |
92899063 | 376 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
2594e906 | 377 | struct net_bridge *br; |
74685962 | 378 | struct ifinfomsg *hdr; |
11dc1f36 | 379 | struct nlmsghdr *nlh; |
11dc1f36 | 380 | |
6cbdceeb VY |
381 | if (port) |
382 | br = port->br; | |
383 | else | |
384 | br = netdev_priv(dev); | |
385 | ||
28a16c97 | 386 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
387 | event, dev->name, br->dev->name); | |
11dc1f36 | 388 | |
74685962 TG |
389 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
390 | if (nlh == NULL) | |
26932566 | 391 | return -EMSGSIZE; |
11dc1f36 | 392 | |
74685962 TG |
393 | hdr = nlmsg_data(nlh); |
394 | hdr->ifi_family = AF_BRIDGE; | |
395 | hdr->__ifi_pad = 0; | |
396 | hdr->ifi_type = dev->type; | |
397 | hdr->ifi_index = dev->ifindex; | |
398 | hdr->ifi_flags = dev_get_flags(dev); | |
399 | hdr->ifi_change = 0; | |
11dc1f36 | 400 | |
2eb812e6 DM |
401 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
402 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || | |
403 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || | |
404 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || | |
405 | (dev->addr_len && | |
406 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || | |
a54acb3a ND |
407 | (dev->ifindex != dev_get_iflink(dev) && |
408 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) | |
2eb812e6 | 409 | goto nla_put_failure; |
25c71c75 | 410 | |
6cbdceeb | 411 | if (event == RTM_NEWLINK && port) { |
f78c6032 | 412 | struct nlattr *nest; |
25c71c75 | 413 | |
f78c6032 | 414 | nest = nla_nest_start(skb, IFLA_PROTINFO); |
25c71c75 | 415 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) |
416 | goto nla_put_failure; | |
417 | nla_nest_end(skb, nest); | |
418 | } | |
419 | ||
6cbdceeb | 420 | /* Check if the VID information is requested */ |
36cd0ffb RP |
421 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
422 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { | |
2594e906 | 423 | struct net_bridge_vlan_group *vg; |
36cd0ffb RP |
424 | struct nlattr *af; |
425 | int err; | |
6cbdceeb | 426 | |
e9c953ef NA |
427 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
428 | rcu_read_lock(); | |
77751ee8 | 429 | if (port) |
e9c953ef | 430 | vg = nbp_vlan_group_rcu(port); |
77751ee8 | 431 | else |
e9c953ef | 432 | vg = br_vlan_group_rcu(br); |
6cbdceeb | 433 | |
e9c953ef NA |
434 | if (!vg || !vg->num_vlans) { |
435 | rcu_read_unlock(); | |
6cbdceeb | 436 | goto done; |
e9c953ef | 437 | } |
ae0be8de | 438 | af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); |
e9c953ef NA |
439 | if (!af) { |
440 | rcu_read_unlock(); | |
6cbdceeb | 441 | goto nla_put_failure; |
e9c953ef | 442 | } |
36cd0ffb | 443 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
77751ee8 | 444 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
36cd0ffb | 445 | else |
77751ee8 | 446 | err = br_fill_ifvlaninfo(skb, vg); |
efa5356b RP |
447 | |
448 | if (port && (port->flags & BR_VLAN_TUNNEL)) | |
449 | err = br_fill_vlan_tunnel_info(skb, vg); | |
e9c953ef | 450 | rcu_read_unlock(); |
36cd0ffb RP |
451 | if (err) |
452 | goto nla_put_failure; | |
6cbdceeb VY |
453 | nla_nest_end(skb, af); |
454 | } | |
455 | ||
456 | done: | |
053c095a JB |
457 | nlmsg_end(skb, nlh); |
458 | return 0; | |
11dc1f36 | 459 | |
74685962 | 460 | nla_put_failure: |
26932566 PM |
461 | nlmsg_cancel(skb, nlh); |
462 | return -EMSGSIZE; | |
11dc1f36 SH |
463 | } |
464 | ||
92899063 NA |
465 | /* Notify listeners of a change in bridge or port information */ |
466 | void br_ifinfo_notify(int event, const struct net_bridge *br, | |
467 | const struct net_bridge_port *port) | |
11dc1f36 | 468 | { |
92899063 NA |
469 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; |
470 | struct net_device *dev; | |
11dc1f36 | 471 | struct sk_buff *skb; |
280a306c | 472 | int err = -ENOBUFS; |
92899063 NA |
473 | struct net *net; |
474 | u16 port_no = 0; | |
11dc1f36 | 475 | |
92899063 | 476 | if (WARN_ON(!port && !br)) |
407af329 VY |
477 | return; |
478 | ||
92899063 NA |
479 | if (port) { |
480 | dev = port->dev; | |
481 | br = port->br; | |
482 | port_no = port->port_no; | |
483 | } else { | |
484 | dev = br->dev; | |
485 | } | |
486 | ||
487 | net = dev_net(dev); | |
488 | br_debug(br, "port %u(%s) event %d\n", port_no, dev->name, event); | |
28a16c97 | 489 | |
92899063 | 490 | skb = nlmsg_new(br_nlmsg_size(dev, filter), GFP_ATOMIC); |
280a306c TG |
491 | if (skb == NULL) |
492 | goto errout; | |
493 | ||
92899063 | 494 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, dev); |
26932566 PM |
495 | if (err < 0) { |
496 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ | |
497 | WARN_ON(err == -EMSGSIZE); | |
498 | kfree_skb(skb); | |
499 | goto errout; | |
500 | } | |
1ce85fe4 PNA |
501 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
502 | return; | |
280a306c | 503 | errout: |
87e823b3 | 504 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
11dc1f36 SH |
505 | } |
506 | ||
507 | /* | |
508 | * Dump information about all ports, in response to GETLINK | |
509 | */ | |
e5a55a89 | 510 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
46c264da | 511 | struct net_device *dev, u32 filter_mask, int nlflags) |
11dc1f36 | 512 | { |
1fb1754a | 513 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
e5a55a89 | 514 | |
36cd0ffb RP |
515 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
516 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) | |
1b846f92 | 517 | return 0; |
11dc1f36 | 518 | |
46c264da | 519 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
1b846f92 | 520 | filter_mask, dev); |
11dc1f36 SH |
521 | } |
522 | ||
bdced7ef | 523 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
169327d5 PM |
524 | int cmd, struct bridge_vlan_info *vinfo, bool *changed, |
525 | struct netlink_ext_ack *extack) | |
bdced7ef | 526 | { |
f418af63 | 527 | bool curr_change; |
bdced7ef RP |
528 | int err = 0; |
529 | ||
530 | switch (cmd) { | |
531 | case RTM_SETLINK: | |
532 | if (p) { | |
2594e906 NA |
533 | /* if the MASTER flag is set this will act on the global |
534 | * per-VLAN entry as well | |
535 | */ | |
f418af63 | 536 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags, |
169327d5 | 537 | &curr_change, extack); |
bdced7ef | 538 | } else { |
2594e906 | 539 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
f418af63 | 540 | err = br_vlan_add(br, vinfo->vid, vinfo->flags, |
169327d5 | 541 | &curr_change, extack); |
bdced7ef | 542 | } |
f418af63 | 543 | if (curr_change) |
e19b42a1 | 544 | *changed = true; |
bdced7ef RP |
545 | break; |
546 | ||
547 | case RTM_DELLINK: | |
548 | if (p) { | |
e19b42a1 NA |
549 | if (!nbp_vlan_delete(p, vinfo->vid)) |
550 | *changed = true; | |
551 | ||
552 | if ((vinfo->flags & BRIDGE_VLAN_INFO_MASTER) && | |
553 | !br_vlan_delete(p->br, vinfo->vid)) | |
554 | *changed = true; | |
555 | } else if (!br_vlan_delete(br, vinfo->vid)) { | |
556 | *changed = true; | |
bdced7ef RP |
557 | } |
558 | break; | |
559 | } | |
560 | ||
561 | return err; | |
562 | } | |
407af329 | 563 | |
efa5356b RP |
564 | static int br_process_vlan_info(struct net_bridge *br, |
565 | struct net_bridge_port *p, int cmd, | |
566 | struct bridge_vlan_info *vinfo_curr, | |
e19b42a1 | 567 | struct bridge_vlan_info **vinfo_last, |
169327d5 PM |
568 | bool *changed, |
569 | struct netlink_ext_ack *extack) | |
efa5356b RP |
570 | { |
571 | if (!vinfo_curr->vid || vinfo_curr->vid >= VLAN_VID_MASK) | |
572 | return -EINVAL; | |
573 | ||
574 | if (vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { | |
575 | /* check if we are already processing a range */ | |
576 | if (*vinfo_last) | |
577 | return -EINVAL; | |
578 | *vinfo_last = vinfo_curr; | |
579 | /* don't allow range of pvids */ | |
580 | if ((*vinfo_last)->flags & BRIDGE_VLAN_INFO_PVID) | |
581 | return -EINVAL; | |
582 | return 0; | |
583 | } | |
584 | ||
585 | if (*vinfo_last) { | |
586 | struct bridge_vlan_info tmp_vinfo; | |
587 | int v, err; | |
588 | ||
589 | if (!(vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_END)) | |
590 | return -EINVAL; | |
591 | ||
592 | if (vinfo_curr->vid <= (*vinfo_last)->vid) | |
593 | return -EINVAL; | |
594 | ||
595 | memcpy(&tmp_vinfo, *vinfo_last, | |
596 | sizeof(struct bridge_vlan_info)); | |
597 | for (v = (*vinfo_last)->vid; v <= vinfo_curr->vid; v++) { | |
598 | tmp_vinfo.vid = v; | |
169327d5 PM |
599 | err = br_vlan_info(br, p, cmd, &tmp_vinfo, changed, |
600 | extack); | |
efa5356b RP |
601 | if (err) |
602 | break; | |
603 | } | |
604 | *vinfo_last = NULL; | |
605 | ||
66c54517 | 606 | return err; |
efa5356b RP |
607 | } |
608 | ||
169327d5 | 609 | return br_vlan_info(br, p, cmd, vinfo_curr, changed, extack); |
efa5356b RP |
610 | } |
611 | ||
407af329 VY |
612 | static int br_afspec(struct net_bridge *br, |
613 | struct net_bridge_port *p, | |
614 | struct nlattr *af_spec, | |
169327d5 PM |
615 | int cmd, bool *changed, |
616 | struct netlink_ext_ack *extack) | |
407af329 | 617 | { |
efa5356b RP |
618 | struct bridge_vlan_info *vinfo_curr = NULL; |
619 | struct bridge_vlan_info *vinfo_last = NULL; | |
bdced7ef | 620 | struct nlattr *attr; |
efa5356b RP |
621 | struct vtunnel_info tinfo_last = {}; |
622 | struct vtunnel_info tinfo_curr = {}; | |
623 | int err = 0, rem; | |
407af329 | 624 | |
bdced7ef | 625 | nla_for_each_nested(attr, af_spec, rem) { |
efa5356b RP |
626 | err = 0; |
627 | switch (nla_type(attr)) { | |
628 | case IFLA_BRIDGE_VLAN_TUNNEL_INFO: | |
1020ce31 | 629 | if (!p || !(p->flags & BR_VLAN_TUNNEL)) |
bdced7ef | 630 | return -EINVAL; |
efa5356b RP |
631 | err = br_parse_vlan_tunnel_info(attr, &tinfo_curr); |
632 | if (err) | |
633 | return err; | |
634 | err = br_process_vlan_tunnel_info(br, p, cmd, | |
635 | &tinfo_curr, | |
e19b42a1 NA |
636 | &tinfo_last, |
637 | changed); | |
efa5356b RP |
638 | if (err) |
639 | return err; | |
640 | break; | |
641 | case IFLA_BRIDGE_VLAN_INFO: | |
642 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) | |
6623c60d | 643 | return -EINVAL; |
efa5356b RP |
644 | vinfo_curr = nla_data(attr); |
645 | err = br_process_vlan_info(br, p, cmd, vinfo_curr, | |
169327d5 PM |
646 | &vinfo_last, changed, |
647 | extack); | |
efa5356b RP |
648 | if (err) |
649 | return err; | |
650 | break; | |
bdced7ef | 651 | } |
407af329 VY |
652 | } |
653 | ||
654 | return err; | |
655 | } | |
656 | ||
3ac636b8 | 657 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
25c71c75 | 658 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
659 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
660 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
661 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
a2e01a65 | 662 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
1007dd1a | 663 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
6f705d8c | 664 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
9ba18891 | 665 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
867a5943 | 666 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
355b9f9d | 667 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
786c2077 | 668 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
5d6ae479 | 669 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
6db6f0ea | 670 | [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 }, |
9051247d TK |
671 | [IFLA_BRPORT_MCAST_FLOOD] = { .type = NLA_U8 }, |
672 | [IFLA_BRPORT_BCAST_FLOOD] = { .type = NLA_U8 }, | |
fbec443b | 673 | [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NLA_U8 }, |
5af48b59 | 674 | [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
1a3fbd3f | 675 | [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NLA_U8 }, |
7d850abd | 676 | [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 }, |
2756f68c | 677 | [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 }, |
25c71c75 | 678 | }; |
679 | ||
680 | /* Change the state of the port and notify spanning tree */ | |
681 | static int br_set_port_state(struct net_bridge_port *p, u8 state) | |
682 | { | |
683 | if (state > BR_STATE_BLOCKING) | |
684 | return -EINVAL; | |
685 | ||
686 | /* if kernel STP is running, don't allow changes */ | |
687 | if (p->br->stp_enabled == BR_KERNEL_STP) | |
688 | return -EBUSY; | |
689 | ||
576eb625 | 690 | /* if device is not up, change is not allowed |
691 | * if link is not present, only allowable state is disabled | |
692 | */ | |
25c71c75 | 693 | if (!netif_running(p->dev) || |
576eb625 | 694 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
25c71c75 | 695 | return -ENETDOWN; |
696 | ||
775dd692 | 697 | br_set_state(p, state); |
25c71c75 | 698 | br_port_state_selection(p->br); |
699 | return 0; | |
700 | } | |
701 | ||
702 | /* Set/clear or port flags based on attribute */ | |
3922285d AS |
703 | static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], |
704 | int attrtype, unsigned long mask) | |
25c71c75 | 705 | { |
3922285d AS |
706 | unsigned long flags; |
707 | int err; | |
708 | ||
709 | if (!tb[attrtype]) | |
710 | return 0; | |
711 | ||
712 | if (nla_get_u8(tb[attrtype])) | |
713 | flags = p->flags | mask; | |
714 | else | |
715 | flags = p->flags & ~mask; | |
716 | ||
717 | err = br_switchdev_set_port_flag(p, flags, mask); | |
718 | if (err) | |
719 | return err; | |
720 | ||
721 | p->flags = flags; | |
722 | return 0; | |
25c71c75 | 723 | } |
724 | ||
725 | /* Process bridge protocol info on port */ | |
726 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) | |
727 | { | |
e028e4b8 | 728 | unsigned long old_flags = p->flags; |
efa5356b RP |
729 | bool br_vlan_tunnel_old = false; |
730 | int err; | |
25c71c75 | 731 | |
3922285d AS |
732 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); |
733 | if (err) | |
734 | return err; | |
735 | ||
736 | err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); | |
737 | if (err) | |
738 | return err; | |
739 | ||
740 | err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); | |
741 | if (err) | |
742 | return err; | |
743 | ||
744 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); | |
745 | if (err) | |
746 | return err; | |
747 | ||
748 | err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); | |
749 | if (err) | |
750 | return err; | |
751 | ||
752 | err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); | |
753 | if (err) | |
754 | return err; | |
755 | ||
756 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); | |
757 | if (err) | |
758 | return err; | |
759 | ||
760 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); | |
761 | if (err) | |
762 | return err; | |
763 | ||
764 | err = br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); | |
765 | if (err) | |
766 | return err; | |
767 | ||
768 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); | |
769 | if (err) | |
770 | return err; | |
771 | ||
772 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); | |
773 | if (err) | |
774 | return err; | |
25c71c75 | 775 | |
efa5356b | 776 | br_vlan_tunnel_old = (p->flags & BR_VLAN_TUNNEL) ? true : false; |
3922285d AS |
777 | err = br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); |
778 | if (err) | |
779 | return err; | |
780 | ||
efa5356b RP |
781 | if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL)) |
782 | nbp_vlan_tunnel_info_flush(p); | |
783 | ||
25c71c75 | 784 | if (tb[IFLA_BRPORT_COST]) { |
785 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); | |
786 | if (err) | |
787 | return err; | |
788 | } | |
789 | ||
790 | if (tb[IFLA_BRPORT_PRIORITY]) { | |
791 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); | |
792 | if (err) | |
793 | return err; | |
794 | } | |
795 | ||
796 | if (tb[IFLA_BRPORT_STATE]) { | |
797 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); | |
798 | if (err) | |
799 | return err; | |
800 | } | |
e028e4b8 | 801 | |
9b0c6e4d NA |
802 | if (tb[IFLA_BRPORT_FLUSH]) |
803 | br_fdb_delete_by_port(p->br, p, 0, 0); | |
804 | ||
5d6ae479 NA |
805 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
806 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { | |
807 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); | |
808 | ||
809 | err = br_multicast_set_port_router(p, mcast_router); | |
810 | if (err) | |
811 | return err; | |
812 | } | |
813 | #endif | |
5af48b59 NA |
814 | |
815 | if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) { | |
816 | u16 fwd_mask = nla_get_u16(tb[IFLA_BRPORT_GROUP_FWD_MASK]); | |
817 | ||
818 | if (fwd_mask & BR_GROUPFWD_MACPAUSE) | |
819 | return -EINVAL; | |
820 | p->group_fwd_mask = fwd_mask; | |
821 | } | |
822 | ||
821f1b21 RP |
823 | err = br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_SUPPRESS, |
824 | BR_NEIGH_SUPPRESS); | |
825 | if (err) | |
826 | return err; | |
827 | ||
7d850abd NA |
828 | err = br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED); |
829 | if (err) | |
830 | return err; | |
831 | ||
2756f68c NA |
832 | if (tb[IFLA_BRPORT_BACKUP_PORT]) { |
833 | struct net_device *backup_dev = NULL; | |
834 | u32 backup_ifindex; | |
835 | ||
836 | backup_ifindex = nla_get_u32(tb[IFLA_BRPORT_BACKUP_PORT]); | |
837 | if (backup_ifindex) { | |
838 | backup_dev = __dev_get_by_index(dev_net(p->dev), | |
839 | backup_ifindex); | |
840 | if (!backup_dev) | |
841 | return -ENOENT; | |
842 | } | |
843 | ||
844 | err = nbp_backup_change(p, backup_dev); | |
845 | if (err) | |
846 | return err; | |
847 | } | |
848 | ||
e028e4b8 | 849 | br_port_flags_change(p, old_flags ^ p->flags); |
25c71c75 | 850 | return 0; |
851 | } | |
852 | ||
853 | /* Change state and parameters on port. */ | |
2fd527b7 PM |
854 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, |
855 | struct netlink_ext_ack *extack) | |
11dc1f36 | 856 | { |
92899063 NA |
857 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
858 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; | |
859 | struct net_bridge_port *p; | |
74685962 | 860 | struct nlattr *protinfo; |
407af329 | 861 | struct nlattr *afspec; |
e19b42a1 | 862 | bool changed = false; |
41c498b9 | 863 | int err = 0; |
11dc1f36 | 864 | |
c60ee67f H |
865 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
866 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
407af329 | 867 | if (!protinfo && !afspec) |
25c71c75 | 868 | return 0; |
11dc1f36 | 869 | |
ec1e5610 | 870 | p = br_port_get_rtnl(dev); |
407af329 | 871 | /* We want to accept dev as bridge itself if the AF_SPEC |
8e3bff96 | 872 | * is set to see if someone is setting vlan info on the bridge |
407af329 | 873 | */ |
7b99a993 | 874 | if (!p && !afspec) |
b5ed54e9 | 875 | return -EINVAL; |
11dc1f36 | 876 | |
407af329 VY |
877 | if (p && protinfo) { |
878 | if (protinfo->nla_type & NLA_F_NESTED) { | |
8cb08174 JB |
879 | err = nla_parse_nested_deprecated(tb, IFLA_BRPORT_MAX, |
880 | protinfo, | |
881 | br_port_policy, | |
882 | NULL); | |
407af329 VY |
883 | if (err) |
884 | return err; | |
885 | ||
886 | spin_lock_bh(&p->br->lock); | |
887 | err = br_setport(p, tb); | |
888 | spin_unlock_bh(&p->br->lock); | |
889 | } else { | |
8e3bff96 | 890 | /* Binary compatibility with old RSTP */ |
407af329 VY |
891 | if (nla_len(protinfo) < sizeof(u8)) |
892 | return -EINVAL; | |
893 | ||
894 | spin_lock_bh(&p->br->lock); | |
895 | err = br_set_port_state(p, nla_get_u8(protinfo)); | |
896 | spin_unlock_bh(&p->br->lock); | |
897 | } | |
25c71c75 | 898 | if (err) |
407af329 | 899 | goto out; |
e19b42a1 | 900 | changed = true; |
407af329 | 901 | } |
11dc1f36 | 902 | |
92899063 | 903 | if (afspec) |
169327d5 | 904 | err = br_afspec(br, p, afspec, RTM_SETLINK, &changed, extack); |
b03b6dd5 | 905 | |
e19b42a1 | 906 | if (changed) |
92899063 | 907 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 | 908 | out: |
25c71c75 | 909 | return err; |
11dc1f36 SH |
910 | } |
911 | ||
407af329 | 912 | /* Delete port information */ |
add511b3 | 913 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
407af329 | 914 | { |
92899063 | 915 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
407af329 | 916 | struct net_bridge_port *p; |
92899063 | 917 | struct nlattr *afspec; |
e19b42a1 | 918 | bool changed = false; |
8508025c | 919 | int err = 0; |
407af329 | 920 | |
c60ee67f | 921 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
407af329 VY |
922 | if (!afspec) |
923 | return 0; | |
924 | ||
925 | p = br_port_get_rtnl(dev); | |
926 | /* We want to accept dev as bridge itself as well */ | |
927 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) | |
928 | return -EINVAL; | |
929 | ||
169327d5 | 930 | err = br_afspec(br, p, afspec, RTM_DELLINK, &changed, NULL); |
e19b42a1 | 931 | if (changed) |
02dba438 RP |
932 | /* Send RTM_NEWLINK because userspace |
933 | * expects RTM_NEWLINK for vlan dels | |
934 | */ | |
92899063 | 935 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 VY |
936 | |
937 | return err; | |
938 | } | |
a8b8a889 MS |
939 | |
940 | static int br_validate(struct nlattr *tb[], struct nlattr *data[], | |
941 | struct netlink_ext_ack *extack) | |
bb900b27 | 942 | { |
943 | if (tb[IFLA_ADDRESS]) { | |
944 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
945 | return -EINVAL; | |
946 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
947 | return -EADDRNOTAVAIL; | |
948 | } | |
949 | ||
d2d427b3 TM |
950 | if (!data) |
951 | return 0; | |
952 | ||
953 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
954 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
955 | switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { | |
956 | case htons(ETH_P_8021Q): | |
957 | case htons(ETH_P_8021AD): | |
958 | break; | |
959 | default: | |
960 | return -EPROTONOSUPPORT; | |
961 | } | |
962 | } | |
a2858602 TJ |
963 | |
964 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
965 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
966 | ||
967 | if (defpvid >= VLAN_VID_MASK) | |
968 | return -EINVAL; | |
969 | } | |
d2d427b3 TM |
970 | #endif |
971 | ||
bb900b27 | 972 | return 0; |
973 | } | |
974 | ||
3ac636b8 JP |
975 | static int br_port_slave_changelink(struct net_device *brdev, |
976 | struct net_device *dev, | |
977 | struct nlattr *tb[], | |
17dd0ec4 MS |
978 | struct nlattr *data[], |
979 | struct netlink_ext_ack *extack) | |
3ac636b8 | 980 | { |
963ad948 NA |
981 | struct net_bridge *br = netdev_priv(brdev); |
982 | int ret; | |
983 | ||
3ac636b8 JP |
984 | if (!data) |
985 | return 0; | |
963ad948 NA |
986 | |
987 | spin_lock_bh(&br->lock); | |
988 | ret = br_setport(br_port_get_rtnl(dev), data); | |
989 | spin_unlock_bh(&br->lock); | |
990 | ||
991 | return ret; | |
3ac636b8 JP |
992 | } |
993 | ||
ced8283f JP |
994 | static int br_port_fill_slave_info(struct sk_buff *skb, |
995 | const struct net_device *brdev, | |
996 | const struct net_device *dev) | |
997 | { | |
998 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); | |
999 | } | |
1000 | ||
1001 | static size_t br_port_get_slave_size(const struct net_device *brdev, | |
1002 | const struct net_device *dev) | |
1003 | { | |
1004 | return br_port_info_size(); | |
1005 | } | |
1006 | ||
13323516 JP |
1007 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
1008 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, | |
1009 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, | |
1010 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, | |
af615762 JT |
1011 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
1012 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, | |
1013 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, | |
a7854037 | 1014 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
d2d427b3 | 1015 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
7910228b | 1016 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
111189ab NA |
1017 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
1018 | .len = ETH_ALEN }, | |
a9a6bc70 | 1019 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
89126327 | 1020 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
295141d9 | 1021 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
ba062d7c | 1022 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
431db3c0 | 1023 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
858079fd | 1024 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
79b859f5 | 1025 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
b89e6bab | 1026 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
7e4df51e NA |
1027 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
1028 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, | |
1029 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, | |
1030 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, | |
1031 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, | |
1032 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, | |
93870cc0 NA |
1033 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
1034 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, | |
1035 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, | |
0f963b75 | 1036 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
6dada9b1 | 1037 | [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, |
1080ab95 | 1038 | [IFLA_BR_MCAST_STATS_ENABLED] = { .type = NLA_U8 }, |
5e923585 | 1039 | [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, |
aa2ae3e7 | 1040 | [IFLA_BR_MCAST_MLD_VERSION] = { .type = NLA_U8 }, |
9163a0fc | 1041 | [IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 }, |
a428afe8 NA |
1042 | [IFLA_BR_MULTI_BOOLOPT] = { .type = NLA_EXACT_LEN, |
1043 | .len = sizeof(struct br_boolopt_multi) }, | |
13323516 JP |
1044 | }; |
1045 | ||
1046 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], | |
ad744b22 MS |
1047 | struct nlattr *data[], |
1048 | struct netlink_ext_ack *extack) | |
13323516 JP |
1049 | { |
1050 | struct net_bridge *br = netdev_priv(brdev); | |
1051 | int err; | |
1052 | ||
1053 | if (!data) | |
1054 | return 0; | |
1055 | ||
1056 | if (data[IFLA_BR_FORWARD_DELAY]) { | |
1057 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); | |
1058 | if (err) | |
1059 | return err; | |
1060 | } | |
1061 | ||
1062 | if (data[IFLA_BR_HELLO_TIME]) { | |
1063 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); | |
1064 | if (err) | |
1065 | return err; | |
1066 | } | |
1067 | ||
1068 | if (data[IFLA_BR_MAX_AGE]) { | |
1069 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); | |
1070 | if (err) | |
1071 | return err; | |
1072 | } | |
1073 | ||
af615762 | 1074 | if (data[IFLA_BR_AGEING_TIME]) { |
c62987bb SF |
1075 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
1076 | if (err) | |
1077 | return err; | |
af615762 JT |
1078 | } |
1079 | ||
1080 | if (data[IFLA_BR_STP_STATE]) { | |
1081 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); | |
1082 | ||
1083 | br_stp_set_enabled(br, stp_enabled); | |
1084 | } | |
1085 | ||
1086 | if (data[IFLA_BR_PRIORITY]) { | |
1087 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); | |
1088 | ||
1089 | br_stp_set_bridge_priority(br, priority); | |
1090 | } | |
1091 | ||
a7854037 NA |
1092 | if (data[IFLA_BR_VLAN_FILTERING]) { |
1093 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); | |
1094 | ||
1095 | err = __br_vlan_filter_toggle(br, vlan_filter); | |
1096 | if (err) | |
1097 | return err; | |
1098 | } | |
1099 | ||
d2d427b3 TM |
1100 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1101 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
1102 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); | |
1103 | ||
1104 | err = __br_vlan_set_proto(br, vlan_proto); | |
1105 | if (err) | |
1106 | return err; | |
1107 | } | |
0f963b75 NA |
1108 | |
1109 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
1110 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
1111 | ||
169327d5 | 1112 | err = __br_vlan_set_default_pvid(br, defpvid, extack); |
0f963b75 NA |
1113 | if (err) |
1114 | return err; | |
1115 | } | |
6dada9b1 NA |
1116 | |
1117 | if (data[IFLA_BR_VLAN_STATS_ENABLED]) { | |
1118 | __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); | |
1119 | ||
1120 | err = br_vlan_set_stats(br, vlan_stats); | |
1121 | if (err) | |
1122 | return err; | |
1123 | } | |
9163a0fc NA |
1124 | |
1125 | if (data[IFLA_BR_VLAN_STATS_PER_PORT]) { | |
1126 | __u8 per_port = nla_get_u8(data[IFLA_BR_VLAN_STATS_PER_PORT]); | |
1127 | ||
1128 | err = br_vlan_set_stats_per_port(br, per_port); | |
1129 | if (err) | |
1130 | return err; | |
1131 | } | |
d2d427b3 TM |
1132 | #endif |
1133 | ||
7910228b NA |
1134 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
1135 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); | |
1136 | ||
1137 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) | |
1138 | return -EINVAL; | |
1139 | br->group_fwd_mask = fwd_mask; | |
1140 | } | |
1141 | ||
111189ab NA |
1142 | if (data[IFLA_BR_GROUP_ADDR]) { |
1143 | u8 new_addr[ETH_ALEN]; | |
1144 | ||
1145 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) | |
1146 | return -EINVAL; | |
1147 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); | |
1148 | if (!is_link_local_ether_addr(new_addr)) | |
1149 | return -EINVAL; | |
1150 | if (new_addr[5] == 1 || /* 802.3x Pause address */ | |
1151 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
1152 | new_addr[5] == 3) /* 802.1X PAE address */ | |
1153 | return -EINVAL; | |
1154 | spin_lock_bh(&br->lock); | |
1155 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); | |
1156 | spin_unlock_bh(&br->lock); | |
be3664a0 | 1157 | br_opt_toggle(br, BROPT_GROUP_ADDR_SET, true); |
111189ab NA |
1158 | br_recalculate_fwd_mask(br); |
1159 | } | |
1160 | ||
150217c6 NA |
1161 | if (data[IFLA_BR_FDB_FLUSH]) |
1162 | br_fdb_flush(br); | |
1163 | ||
a9a6bc70 NA |
1164 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1165 | if (data[IFLA_BR_MCAST_ROUTER]) { | |
1166 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); | |
1167 | ||
1168 | err = br_multicast_set_router(br, multicast_router); | |
1169 | if (err) | |
1170 | return err; | |
1171 | } | |
89126327 NA |
1172 | |
1173 | if (data[IFLA_BR_MCAST_SNOOPING]) { | |
1174 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); | |
1175 | ||
a26d94bf | 1176 | br_multicast_toggle(br, mcast_snooping); |
89126327 | 1177 | } |
295141d9 NA |
1178 | |
1179 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { | |
1180 | u8 val; | |
1181 | ||
1182 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); | |
675779ad | 1183 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
295141d9 | 1184 | } |
ba062d7c NA |
1185 | |
1186 | if (data[IFLA_BR_MCAST_QUERIER]) { | |
1187 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); | |
1188 | ||
1189 | err = br_multicast_set_querier(br, mcast_querier); | |
1190 | if (err) | |
1191 | return err; | |
1192 | } | |
431db3c0 | 1193 | |
cf332bca NA |
1194 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) |
1195 | br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n", | |
1196 | RHT_ELASTICITY); | |
858079fd | 1197 | |
19e3a9c9 NA |
1198 | if (data[IFLA_BR_MCAST_HASH_MAX]) |
1199 | br->hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); | |
79b859f5 NA |
1200 | |
1201 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { | |
1202 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); | |
1203 | ||
1204 | br->multicast_last_member_count = val; | |
1205 | } | |
b89e6bab NA |
1206 | |
1207 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { | |
1208 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); | |
1209 | ||
1210 | br->multicast_startup_query_count = val; | |
1211 | } | |
7e4df51e NA |
1212 | |
1213 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { | |
1214 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); | |
1215 | ||
1216 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
1217 | } | |
1218 | ||
1219 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { | |
1220 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); | |
1221 | ||
1222 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
1223 | } | |
1224 | ||
1225 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { | |
1226 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); | |
1227 | ||
1228 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
1229 | } | |
1230 | ||
1231 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { | |
1232 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); | |
1233 | ||
1234 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
1235 | } | |
1236 | ||
1237 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { | |
1238 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); | |
1239 | ||
1240 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
1241 | } | |
1242 | ||
1243 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { | |
1244 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); | |
1245 | ||
1246 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
1247 | } | |
1080ab95 NA |
1248 | |
1249 | if (data[IFLA_BR_MCAST_STATS_ENABLED]) { | |
1250 | __u8 mcast_stats; | |
1251 | ||
1252 | mcast_stats = nla_get_u8(data[IFLA_BR_MCAST_STATS_ENABLED]); | |
675779ad | 1253 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!mcast_stats); |
1080ab95 | 1254 | } |
5e923585 NA |
1255 | |
1256 | if (data[IFLA_BR_MCAST_IGMP_VERSION]) { | |
1257 | __u8 igmp_version; | |
1258 | ||
1259 | igmp_version = nla_get_u8(data[IFLA_BR_MCAST_IGMP_VERSION]); | |
1260 | err = br_multicast_set_igmp_version(br, igmp_version); | |
1261 | if (err) | |
1262 | return err; | |
1263 | } | |
aa2ae3e7 NA |
1264 | |
1265 | #if IS_ENABLED(CONFIG_IPV6) | |
1266 | if (data[IFLA_BR_MCAST_MLD_VERSION]) { | |
1267 | __u8 mld_version; | |
1268 | ||
1269 | mld_version = nla_get_u8(data[IFLA_BR_MCAST_MLD_VERSION]); | |
1270 | err = br_multicast_set_mld_version(br, mld_version); | |
1271 | if (err) | |
1272 | return err; | |
1273 | } | |
1274 | #endif | |
a9a6bc70 | 1275 | #endif |
93870cc0 NA |
1276 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1277 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { | |
1278 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); | |
1279 | ||
8df3510f | 1280 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
93870cc0 NA |
1281 | } |
1282 | ||
1283 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { | |
1284 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); | |
1285 | ||
8df3510f | 1286 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
93870cc0 NA |
1287 | } |
1288 | ||
1289 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { | |
1290 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); | |
1291 | ||
8df3510f | 1292 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
93870cc0 NA |
1293 | } |
1294 | #endif | |
a9a6bc70 | 1295 | |
a428afe8 NA |
1296 | if (data[IFLA_BR_MULTI_BOOLOPT]) { |
1297 | struct br_boolopt_multi *bm; | |
1298 | ||
1299 | bm = nla_data(data[IFLA_BR_MULTI_BOOLOPT]); | |
1300 | err = br_boolopt_multi_toggle(br, bm, extack); | |
1301 | if (err) | |
1302 | return err; | |
1303 | } | |
1304 | ||
13323516 JP |
1305 | return 0; |
1306 | } | |
1307 | ||
b6677449 | 1308 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
7a3f4a18 MS |
1309 | struct nlattr *tb[], struct nlattr *data[], |
1310 | struct netlink_ext_ack *extack) | |
b6677449 IV |
1311 | { |
1312 | struct net_bridge *br = netdev_priv(dev); | |
1313 | int err; | |
1314 | ||
84aeb437 NA |
1315 | err = register_netdevice(dev); |
1316 | if (err) | |
1317 | return err; | |
1318 | ||
b6677449 IV |
1319 | if (tb[IFLA_ADDRESS]) { |
1320 | spin_lock_bh(&br->lock); | |
1321 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); | |
1322 | spin_unlock_bh(&br->lock); | |
1323 | } | |
1324 | ||
ad744b22 | 1325 | err = br_changelink(dev, tb, data, extack); |
5b8d5429 | 1326 | if (err) |
84aeb437 NA |
1327 | br_dev_delete(dev, NULL); |
1328 | ||
5b8d5429 | 1329 | return err; |
b6677449 IV |
1330 | } |
1331 | ||
e5c3ea5c JP |
1332 | static size_t br_get_size(const struct net_device *brdev) |
1333 | { | |
1334 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ | |
1335 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ | |
1336 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ | |
af615762 JT |
1337 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
1338 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ | |
1339 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ | |
a7854037 | 1340 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
d2d427b3 TM |
1341 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1342 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ | |
0f963b75 | 1343 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
6dada9b1 | 1344 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ |
9163a0fc | 1345 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_PER_PORT */ |
d2d427b3 | 1346 | #endif |
7910228b | 1347 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
5127c81f | 1348 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
7599a220 | 1349 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
8762ba68 | 1350 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
684dd248 | 1351 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
b89e6bab NA |
1352 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
1353 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ | |
12a0faa3 ND |
1354 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
1355 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ | |
1356 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ | |
1357 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ | |
111189ab | 1358 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
a9a6bc70 NA |
1359 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1360 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ | |
89126327 | 1361 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
295141d9 | 1362 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
ba062d7c | 1363 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
1080ab95 | 1364 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_STATS_ENABLED */ |
b89e6bab NA |
1365 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
1366 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ | |
1367 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ | |
1368 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ | |
12a0faa3 ND |
1369 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
1370 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ | |
1371 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ | |
1372 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ | |
1373 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ | |
1374 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ | |
5e923585 | 1375 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_IGMP_VERSION */ |
aa2ae3e7 | 1376 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_MLD_VERSION */ |
93870cc0 NA |
1377 | #endif |
1378 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) | |
1379 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ | |
1380 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ | |
1381 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ | |
a9a6bc70 | 1382 | #endif |
a428afe8 | 1383 | nla_total_size(sizeof(struct br_boolopt_multi)) + /* IFLA_BR_MULTI_BOOLOPT */ |
e5c3ea5c JP |
1384 | 0; |
1385 | } | |
1386 | ||
1387 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) | |
1388 | { | |
1389 | struct net_bridge *br = netdev_priv(brdev); | |
1390 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); | |
1391 | u32 hello_time = jiffies_to_clock_t(br->hello_time); | |
1392 | u32 age_time = jiffies_to_clock_t(br->max_age); | |
af615762 JT |
1393 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
1394 | u32 stp_enabled = br->stp_enabled; | |
1395 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; | |
1f51445a | 1396 | u8 vlan_enabled = br_vlan_enabled(br->dev); |
a428afe8 | 1397 | struct br_boolopt_multi bm; |
4917a154 NA |
1398 | u64 clockval; |
1399 | ||
1400 | clockval = br_timer_value(&br->hello_timer); | |
12a0faa3 | 1401 | if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1402 | return -EMSGSIZE; |
1403 | clockval = br_timer_value(&br->tcn_timer); | |
12a0faa3 | 1404 | if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1405 | return -EMSGSIZE; |
1406 | clockval = br_timer_value(&br->topology_change_timer); | |
12a0faa3 ND |
1407 | if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, |
1408 | IFLA_BR_PAD)) | |
4917a154 | 1409 | return -EMSGSIZE; |
f7cdee8a | 1410 | clockval = br_timer_value(&br->gc_work.timer); |
12a0faa3 | 1411 | if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 | 1412 | return -EMSGSIZE; |
e5c3ea5c | 1413 | |
a428afe8 | 1414 | br_boolopt_multi_get(br, &bm); |
e5c3ea5c JP |
1415 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || |
1416 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || | |
af615762 JT |
1417 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
1418 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || | |
1419 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || | |
a7854037 | 1420 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
7910228b | 1421 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
4917a154 NA |
1422 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
1423 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
1424 | &br->bridge_id) || | |
1425 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), | |
1426 | &br->designated_root) || | |
684dd248 | 1427 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
ed416309 NA |
1428 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
1429 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || | |
1430 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
d76bd14e | 1431 | br->topology_change_detected) || |
a428afe8 NA |
1432 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) || |
1433 | nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm)) | |
e5c3ea5c JP |
1434 | return -EMSGSIZE; |
1435 | ||
d2d427b3 | 1436 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
0f963b75 | 1437 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
6dada9b1 | 1438 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || |
ae75767e | 1439 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, |
9163a0fc NA |
1440 | br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) || |
1441 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT, | |
600bea7d | 1442 | br_opt_get(br, BROPT_VLAN_STATS_PER_PORT))) |
d2d427b3 TM |
1443 | return -EMSGSIZE; |
1444 | #endif | |
a9a6bc70 | 1445 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
89126327 | 1446 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || |
13cefad2 NA |
1447 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, |
1448 | br_opt_get(br, BROPT_MULTICAST_ENABLED)) || | |
295141d9 | 1449 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, |
675779ad NA |
1450 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)) || |
1451 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, | |
1452 | br_opt_get(br, BROPT_MULTICAST_QUERIER)) || | |
1080ab95 | 1453 | nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED, |
675779ad | 1454 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)) || |
cf332bca | 1455 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) || |
79b859f5 NA |
1456 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
1457 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
b89e6bab NA |
1458 | br->multicast_last_member_count) || |
1459 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
5e923585 NA |
1460 | br->multicast_startup_query_count) || |
1461 | nla_put_u8(skb, IFLA_BR_MCAST_IGMP_VERSION, | |
1462 | br->multicast_igmp_version)) | |
a9a6bc70 | 1463 | return -EMSGSIZE; |
aa2ae3e7 NA |
1464 | #if IS_ENABLED(CONFIG_IPV6) |
1465 | if (nla_put_u8(skb, IFLA_BR_MCAST_MLD_VERSION, | |
1466 | br->multicast_mld_version)) | |
1467 | return -EMSGSIZE; | |
1468 | #endif | |
7e4df51e | 1469 | clockval = jiffies_to_clock_t(br->multicast_last_member_interval); |
12a0faa3 ND |
1470 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, |
1471 | IFLA_BR_PAD)) | |
7e4df51e NA |
1472 | return -EMSGSIZE; |
1473 | clockval = jiffies_to_clock_t(br->multicast_membership_interval); | |
12a0faa3 ND |
1474 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, |
1475 | IFLA_BR_PAD)) | |
7e4df51e NA |
1476 | return -EMSGSIZE; |
1477 | clockval = jiffies_to_clock_t(br->multicast_querier_interval); | |
12a0faa3 ND |
1478 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, |
1479 | IFLA_BR_PAD)) | |
7e4df51e NA |
1480 | return -EMSGSIZE; |
1481 | clockval = jiffies_to_clock_t(br->multicast_query_interval); | |
12a0faa3 ND |
1482 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, |
1483 | IFLA_BR_PAD)) | |
7e4df51e NA |
1484 | return -EMSGSIZE; |
1485 | clockval = jiffies_to_clock_t(br->multicast_query_response_interval); | |
12a0faa3 ND |
1486 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, |
1487 | IFLA_BR_PAD)) | |
7e4df51e NA |
1488 | return -EMSGSIZE; |
1489 | clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); | |
12a0faa3 ND |
1490 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, |
1491 | IFLA_BR_PAD)) | |
7e4df51e | 1492 | return -EMSGSIZE; |
a9a6bc70 | 1493 | #endif |
93870cc0 NA |
1494 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1495 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, | |
8df3510f | 1496 | br_opt_get(br, BROPT_NF_CALL_IPTABLES) ? 1 : 0) || |
93870cc0 | 1497 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, |
8df3510f | 1498 | br_opt_get(br, BROPT_NF_CALL_IP6TABLES) ? 1 : 0) || |
93870cc0 | 1499 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, |
8df3510f | 1500 | br_opt_get(br, BROPT_NF_CALL_ARPTABLES) ? 1 : 0)) |
93870cc0 NA |
1501 | return -EMSGSIZE; |
1502 | #endif | |
a9a6bc70 | 1503 | |
e5c3ea5c JP |
1504 | return 0; |
1505 | } | |
1506 | ||
d5ff8c41 | 1507 | static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) |
a60c0903 | 1508 | { |
d5ff8c41 | 1509 | struct net_bridge_port *p = NULL; |
a60c0903 NA |
1510 | struct net_bridge_vlan_group *vg; |
1511 | struct net_bridge_vlan *v; | |
d5ff8c41 | 1512 | struct net_bridge *br; |
a60c0903 NA |
1513 | int numvls = 0; |
1514 | ||
d5ff8c41 NA |
1515 | switch (attr) { |
1516 | case IFLA_STATS_LINK_XSTATS: | |
1517 | br = netdev_priv(dev); | |
1518 | vg = br_vlan_group(br); | |
1519 | break; | |
1520 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
1521 | p = br_port_get_rtnl(dev); | |
1522 | if (!p) | |
1523 | return 0; | |
1524 | br = p->br; | |
1525 | vg = nbp_vlan_group(p); | |
1526 | break; | |
1527 | default: | |
1528 | return 0; | |
1529 | } | |
1530 | ||
1080ab95 NA |
1531 | if (vg) { |
1532 | /* we need to count all, even placeholder entries */ | |
1533 | list_for_each_entry(v, &vg->vlan_list, vlist) | |
1534 | numvls++; | |
1535 | } | |
a60c0903 | 1536 | |
a60c0903 | 1537 | return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + |
1080ab95 | 1538 | nla_total_size(sizeof(struct br_mcast_stats)) + |
a60c0903 NA |
1539 | nla_total_size(0); |
1540 | } | |
1541 | ||
d5ff8c41 NA |
1542 | static int br_fill_linkxstats(struct sk_buff *skb, |
1543 | const struct net_device *dev, | |
1544 | int *prividx, int attr) | |
80e73cc5 | 1545 | { |
d5ff8c41 NA |
1546 | struct nlattr *nla __maybe_unused; |
1547 | struct net_bridge_port *p = NULL; | |
1548 | struct net_bridge_vlan_group *vg; | |
1549 | struct net_bridge_vlan *v; | |
1550 | struct net_bridge *br; | |
1551 | struct nlattr *nest; | |
1552 | int vl_idx = 0; | |
80e73cc5 NA |
1553 | |
1554 | switch (attr) { | |
1555 | case IFLA_STATS_LINK_XSTATS: | |
d5ff8c41 NA |
1556 | br = netdev_priv(dev); |
1557 | vg = br_vlan_group(br); | |
80e73cc5 NA |
1558 | break; |
1559 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
d5ff8c41 NA |
1560 | p = br_port_get_rtnl(dev); |
1561 | if (!p) | |
1562 | return 0; | |
1563 | br = p->br; | |
1564 | vg = nbp_vlan_group(p); | |
80e73cc5 | 1565 | break; |
d5ff8c41 NA |
1566 | default: |
1567 | return -EINVAL; | |
80e73cc5 NA |
1568 | } |
1569 | ||
ae0be8de | 1570 | nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BRIDGE); |
a60c0903 NA |
1571 | if (!nest) |
1572 | return -EMSGSIZE; | |
a60c0903 | 1573 | |
1080ab95 | 1574 | if (vg) { |
72f4af4e NA |
1575 | u16 pvid; |
1576 | ||
1577 | pvid = br_get_pvid(vg); | |
1080ab95 NA |
1578 | list_for_each_entry(v, &vg->vlan_list, vlist) { |
1579 | struct bridge_vlan_xstats vxi; | |
1580 | struct br_vlan_stats stats; | |
1581 | ||
1582 | if (++vl_idx < *prividx) | |
1583 | continue; | |
1584 | memset(&vxi, 0, sizeof(vxi)); | |
1585 | vxi.vid = v->vid; | |
61ba1a2d | 1586 | vxi.flags = v->flags; |
72f4af4e NA |
1587 | if (v->vid == pvid) |
1588 | vxi.flags |= BRIDGE_VLAN_INFO_PVID; | |
1080ab95 NA |
1589 | br_vlan_get_stats(v, &stats); |
1590 | vxi.rx_bytes = stats.rx_bytes; | |
1591 | vxi.rx_packets = stats.rx_packets; | |
1592 | vxi.tx_bytes = stats.tx_bytes; | |
1593 | vxi.tx_packets = stats.tx_packets; | |
1594 | ||
1595 | if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) | |
1596 | goto nla_put_failure; | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
1601 | if (++vl_idx >= *prividx) { | |
1602 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_MCAST, | |
1603 | sizeof(struct br_mcast_stats), | |
1604 | BRIDGE_XSTATS_PAD); | |
1605 | if (!nla) | |
a60c0903 | 1606 | goto nla_put_failure; |
d5ff8c41 | 1607 | br_multicast_get_stats(br, p, nla_data(nla)); |
a60c0903 | 1608 | } |
1080ab95 | 1609 | #endif |
a60c0903 NA |
1610 | nla_nest_end(skb, nest); |
1611 | *prividx = 0; | |
1080ab95 | 1612 | |
a60c0903 NA |
1613 | return 0; |
1614 | ||
1615 | nla_put_failure: | |
1616 | nla_nest_end(skb, nest); | |
1617 | *prividx = vl_idx; | |
1618 | ||
1619 | return -EMSGSIZE; | |
1620 | } | |
fed0a159 | 1621 | |
207895fd | 1622 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
6cbdceeb | 1623 | .family = AF_BRIDGE, |
b1974ed0 | 1624 | .get_link_af_size = br_get_link_af_size_filtered, |
6cbdceeb VY |
1625 | }; |
1626 | ||
149ddd83 | 1627 | struct rtnl_link_ops br_link_ops __read_mostly = { |
ced8283f JP |
1628 | .kind = "bridge", |
1629 | .priv_size = sizeof(struct net_bridge), | |
1630 | .setup = br_dev_setup, | |
eb4cb851 | 1631 | .maxtype = IFLA_BR_MAX, |
13323516 | 1632 | .policy = br_policy, |
ced8283f JP |
1633 | .validate = br_validate, |
1634 | .newlink = br_dev_newlink, | |
13323516 | 1635 | .changelink = br_changelink, |
ced8283f | 1636 | .dellink = br_dev_delete, |
e5c3ea5c JP |
1637 | .get_size = br_get_size, |
1638 | .fill_info = br_fill_info, | |
a60c0903 NA |
1639 | .fill_linkxstats = br_fill_linkxstats, |
1640 | .get_linkxstats_size = br_get_linkxstats_size, | |
3ac636b8 JP |
1641 | |
1642 | .slave_maxtype = IFLA_BRPORT_MAX, | |
1643 | .slave_policy = br_port_policy, | |
1644 | .slave_changelink = br_port_slave_changelink, | |
ced8283f JP |
1645 | .get_slave_size = br_port_get_slave_size, |
1646 | .fill_slave_info = br_port_fill_slave_info, | |
bb900b27 | 1647 | }; |
11dc1f36 | 1648 | |
32fe21c0 | 1649 | int __init br_netlink_init(void) |
11dc1f36 | 1650 | { |
3ec8e9f0 VY |
1651 | int err; |
1652 | ||
1653 | br_mdb_init(); | |
3678a9d8 | 1654 | rtnl_af_register(&br_af_ops); |
3ec8e9f0 | 1655 | |
6cbdceeb VY |
1656 | err = rtnl_link_register(&br_link_ops); |
1657 | if (err) | |
1658 | goto out_af; | |
1659 | ||
3ec8e9f0 | 1660 | return 0; |
6cbdceeb VY |
1661 | |
1662 | out_af: | |
1663 | rtnl_af_unregister(&br_af_ops); | |
3ec8e9f0 VY |
1664 | br_mdb_uninit(); |
1665 | return err; | |
11dc1f36 SH |
1666 | } |
1667 | ||
34666d46 | 1668 | void br_netlink_fini(void) |
11dc1f36 | 1669 | { |
3ec8e9f0 | 1670 | br_mdb_uninit(); |
6cbdceeb | 1671 | rtnl_af_unregister(&br_af_ops); |
bb900b27 | 1672 | rtnl_link_unregister(&br_link_ops); |
11dc1f36 | 1673 | } |