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 */ | |
12a0faa3 ND |
138 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
139 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ | |
140 | + nla_total_size_64bit(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)) || |
b6cb5ac8 NA |
172 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, |
173 | !!(p->flags & BR_ROOT_BLOCK)) || | |
174 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, | |
175 | !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || | |
867a5943 | 176 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
b6cb5ac8 NA |
177 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, |
178 | !!(p->flags & BR_FLOOD)) || | |
179 | nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, | |
180 | !!(p->flags & BR_MCAST_FLOOD)) || | |
842a9ae0 JM |
181 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
182 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, | |
4ebc7660 NA |
183 | !!(p->flags & BR_PROXYARP_WIFI)) || |
184 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), | |
80df9a26 NA |
185 | &p->designated_root) || |
186 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
96f94e7f NA |
187 | &p->designated_bridge) || |
188 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || | |
42d452c4 NA |
189 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
190 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || | |
e08e838a NA |
191 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
192 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
193 | p->topology_change_ack) || | |
194 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending)) | |
25c71c75 | 195 | return -EMSGSIZE; |
196 | ||
61c0a9a8 | 197 | timerval = br_timer_value(&p->message_age_timer); |
12a0faa3 ND |
198 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, |
199 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
200 | return -EMSGSIZE; |
201 | timerval = br_timer_value(&p->forward_delay_timer); | |
12a0faa3 ND |
202 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, |
203 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
204 | return -EMSGSIZE; |
205 | timerval = br_timer_value(&p->hold_timer); | |
12a0faa3 ND |
206 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, |
207 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
208 | return -EMSGSIZE; |
209 | ||
5d6ae479 NA |
210 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
211 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, | |
212 | p->multicast_router)) | |
213 | return -EMSGSIZE; | |
214 | #endif | |
215 | ||
25c71c75 | 216 | return 0; |
339bf98f TG |
217 | } |
218 | ||
36cd0ffb RP |
219 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
220 | u16 vid_end, u16 flags) | |
221 | { | |
222 | struct bridge_vlan_info vinfo; | |
223 | ||
224 | if ((vid_end - vid_start) > 0) { | |
225 | /* add range to skb */ | |
226 | vinfo.vid = vid_start; | |
227 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; | |
228 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
229 | sizeof(vinfo), &vinfo)) | |
230 | goto nla_put_failure; | |
231 | ||
36cd0ffb RP |
232 | vinfo.vid = vid_end; |
233 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; | |
234 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
235 | sizeof(vinfo), &vinfo)) | |
236 | goto nla_put_failure; | |
237 | } else { | |
238 | vinfo.vid = vid_start; | |
239 | vinfo.flags = flags; | |
240 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
241 | sizeof(vinfo), &vinfo)) | |
242 | goto nla_put_failure; | |
243 | } | |
244 | ||
245 | return 0; | |
246 | ||
247 | nla_put_failure: | |
248 | return -EMSGSIZE; | |
249 | } | |
250 | ||
251 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, | |
77751ee8 | 252 | struct net_bridge_vlan_group *vg) |
36cd0ffb | 253 | { |
2594e906 NA |
254 | struct net_bridge_vlan *v; |
255 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 256 | u16 flags, pvid; |
36cd0ffb RP |
257 | int err = 0; |
258 | ||
259 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan | |
260 | * and mark vlan info with begin and end flags | |
261 | * if vlaninfo represents a range | |
262 | */ | |
77751ee8 | 263 | pvid = br_get_pvid(vg); |
e9c953ef | 264 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
36cd0ffb | 265 | flags = 0; |
2594e906 NA |
266 | if (!br_vlan_should_use(v)) |
267 | continue; | |
268 | if (v->vid == pvid) | |
36cd0ffb RP |
269 | flags |= BRIDGE_VLAN_INFO_PVID; |
270 | ||
2594e906 | 271 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
272 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
273 | ||
274 | if (vid_range_start == 0) { | |
275 | goto initvars; | |
2594e906 | 276 | } else if ((v->vid - vid_range_end) == 1 && |
36cd0ffb | 277 | flags == vid_range_flags) { |
2594e906 | 278 | vid_range_end = v->vid; |
36cd0ffb RP |
279 | continue; |
280 | } else { | |
281 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
282 | vid_range_end, | |
283 | vid_range_flags); | |
284 | if (err) | |
285 | return err; | |
286 | } | |
287 | ||
288 | initvars: | |
2594e906 NA |
289 | vid_range_start = v->vid; |
290 | vid_range_end = v->vid; | |
36cd0ffb RP |
291 | vid_range_flags = flags; |
292 | } | |
293 | ||
0fe6de49 RP |
294 | if (vid_range_start != 0) { |
295 | /* Call it once more to send any left over vlans */ | |
296 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
297 | vid_range_end, | |
298 | vid_range_flags); | |
299 | if (err) | |
300 | return err; | |
301 | } | |
36cd0ffb RP |
302 | |
303 | return 0; | |
304 | } | |
305 | ||
306 | static int br_fill_ifvlaninfo(struct sk_buff *skb, | |
77751ee8 | 307 | struct net_bridge_vlan_group *vg) |
36cd0ffb RP |
308 | { |
309 | struct bridge_vlan_info vinfo; | |
2594e906 | 310 | struct net_bridge_vlan *v; |
77751ee8 | 311 | u16 pvid; |
36cd0ffb | 312 | |
77751ee8 | 313 | pvid = br_get_pvid(vg); |
e9c953ef | 314 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
2594e906 NA |
315 | if (!br_vlan_should_use(v)) |
316 | continue; | |
317 | ||
318 | vinfo.vid = v->vid; | |
36cd0ffb | 319 | vinfo.flags = 0; |
2594e906 | 320 | if (v->vid == pvid) |
36cd0ffb RP |
321 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
322 | ||
2594e906 | 323 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
324 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
325 | ||
326 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
327 | sizeof(vinfo), &vinfo)) | |
328 | goto nla_put_failure; | |
329 | } | |
330 | ||
331 | return 0; | |
332 | ||
333 | nla_put_failure: | |
334 | return -EMSGSIZE; | |
335 | } | |
336 | ||
11dc1f36 SH |
337 | /* |
338 | * Create one netlink message for one interface | |
339 | * Contains port and master info as well as carrier and bridge state. | |
340 | */ | |
6cbdceeb | 341 | static int br_fill_ifinfo(struct sk_buff *skb, |
2594e906 | 342 | struct net_bridge_port *port, |
6cbdceeb VY |
343 | u32 pid, u32 seq, int event, unsigned int flags, |
344 | u32 filter_mask, const struct net_device *dev) | |
11dc1f36 | 345 | { |
2594e906 | 346 | struct net_bridge *br; |
74685962 | 347 | struct ifinfomsg *hdr; |
11dc1f36 | 348 | struct nlmsghdr *nlh; |
11dc1f36 | 349 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
11dc1f36 | 350 | |
6cbdceeb VY |
351 | if (port) |
352 | br = port->br; | |
353 | else | |
354 | br = netdev_priv(dev); | |
355 | ||
28a16c97 | 356 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
357 | event, dev->name, br->dev->name); | |
11dc1f36 | 358 | |
74685962 TG |
359 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
360 | if (nlh == NULL) | |
26932566 | 361 | return -EMSGSIZE; |
11dc1f36 | 362 | |
74685962 TG |
363 | hdr = nlmsg_data(nlh); |
364 | hdr->ifi_family = AF_BRIDGE; | |
365 | hdr->__ifi_pad = 0; | |
366 | hdr->ifi_type = dev->type; | |
367 | hdr->ifi_index = dev->ifindex; | |
368 | hdr->ifi_flags = dev_get_flags(dev); | |
369 | hdr->ifi_change = 0; | |
11dc1f36 | 370 | |
2eb812e6 DM |
371 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
372 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || | |
373 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || | |
374 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || | |
375 | (dev->addr_len && | |
376 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || | |
a54acb3a ND |
377 | (dev->ifindex != dev_get_iflink(dev) && |
378 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) | |
2eb812e6 | 379 | goto nla_put_failure; |
25c71c75 | 380 | |
6cbdceeb | 381 | if (event == RTM_NEWLINK && port) { |
25c71c75 | 382 | struct nlattr *nest |
383 | = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED); | |
384 | ||
385 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) | |
386 | goto nla_put_failure; | |
387 | nla_nest_end(skb, nest); | |
388 | } | |
389 | ||
6cbdceeb | 390 | /* Check if the VID information is requested */ |
36cd0ffb RP |
391 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
392 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { | |
2594e906 | 393 | struct net_bridge_vlan_group *vg; |
36cd0ffb RP |
394 | struct nlattr *af; |
395 | int err; | |
6cbdceeb | 396 | |
e9c953ef NA |
397 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
398 | rcu_read_lock(); | |
77751ee8 | 399 | if (port) |
e9c953ef | 400 | vg = nbp_vlan_group_rcu(port); |
77751ee8 | 401 | else |
e9c953ef | 402 | vg = br_vlan_group_rcu(br); |
6cbdceeb | 403 | |
e9c953ef NA |
404 | if (!vg || !vg->num_vlans) { |
405 | rcu_read_unlock(); | |
6cbdceeb | 406 | goto done; |
e9c953ef | 407 | } |
6cbdceeb | 408 | af = nla_nest_start(skb, IFLA_AF_SPEC); |
e9c953ef NA |
409 | if (!af) { |
410 | rcu_read_unlock(); | |
6cbdceeb | 411 | goto nla_put_failure; |
e9c953ef | 412 | } |
36cd0ffb | 413 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
77751ee8 | 414 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
36cd0ffb | 415 | else |
77751ee8 | 416 | err = br_fill_ifvlaninfo(skb, vg); |
e9c953ef | 417 | rcu_read_unlock(); |
36cd0ffb RP |
418 | if (err) |
419 | goto nla_put_failure; | |
6cbdceeb VY |
420 | nla_nest_end(skb, af); |
421 | } | |
422 | ||
423 | done: | |
053c095a JB |
424 | nlmsg_end(skb, nlh); |
425 | return 0; | |
11dc1f36 | 426 | |
74685962 | 427 | nla_put_failure: |
26932566 PM |
428 | nlmsg_cancel(skb, nlh); |
429 | return -EMSGSIZE; | |
11dc1f36 SH |
430 | } |
431 | ||
432 | /* | |
433 | * Notify listeners of a change in port information | |
434 | */ | |
435 | void br_ifinfo_notify(int event, struct net_bridge_port *port) | |
436 | { | |
407af329 | 437 | struct net *net; |
11dc1f36 | 438 | struct sk_buff *skb; |
280a306c | 439 | int err = -ENOBUFS; |
fed0a159 | 440 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; |
11dc1f36 | 441 | |
407af329 VY |
442 | if (!port) |
443 | return; | |
444 | ||
445 | net = dev_net(port->dev); | |
28a16c97 | 446 | br_debug(port->br, "port %u(%s) event %d\n", |
95c96174 | 447 | (unsigned int)port->port_no, port->dev->name, event); |
28a16c97 | 448 | |
fed0a159 | 449 | skb = nlmsg_new(br_nlmsg_size(port->dev, filter), GFP_ATOMIC); |
280a306c TG |
450 | if (skb == NULL) |
451 | goto errout; | |
452 | ||
fed0a159 | 453 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, port->dev); |
26932566 PM |
454 | if (err < 0) { |
455 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ | |
456 | WARN_ON(err == -EMSGSIZE); | |
457 | kfree_skb(skb); | |
458 | goto errout; | |
459 | } | |
1ce85fe4 PNA |
460 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
461 | return; | |
280a306c | 462 | errout: |
87e823b3 | 463 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
11dc1f36 SH |
464 | } |
465 | ||
407af329 | 466 | |
11dc1f36 SH |
467 | /* |
468 | * Dump information about all ports, in response to GETLINK | |
469 | */ | |
e5a55a89 | 470 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
46c264da | 471 | struct net_device *dev, u32 filter_mask, int nlflags) |
11dc1f36 | 472 | { |
1fb1754a | 473 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
e5a55a89 | 474 | |
36cd0ffb RP |
475 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
476 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) | |
1b846f92 | 477 | return 0; |
11dc1f36 | 478 | |
46c264da | 479 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
1b846f92 | 480 | filter_mask, dev); |
11dc1f36 SH |
481 | } |
482 | ||
bdced7ef RP |
483 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
484 | int cmd, struct bridge_vlan_info *vinfo) | |
485 | { | |
486 | int err = 0; | |
487 | ||
488 | switch (cmd) { | |
489 | case RTM_SETLINK: | |
490 | if (p) { | |
2594e906 NA |
491 | /* if the MASTER flag is set this will act on the global |
492 | * per-VLAN entry as well | |
493 | */ | |
bdced7ef RP |
494 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags); |
495 | if (err) | |
496 | break; | |
bdced7ef | 497 | } else { |
2594e906 | 498 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
bdced7ef RP |
499 | err = br_vlan_add(br, vinfo->vid, vinfo->flags); |
500 | } | |
501 | break; | |
502 | ||
503 | case RTM_DELLINK: | |
504 | if (p) { | |
505 | nbp_vlan_delete(p, vinfo->vid); | |
506 | if (vinfo->flags & BRIDGE_VLAN_INFO_MASTER) | |
507 | br_vlan_delete(p->br, vinfo->vid); | |
508 | } else { | |
509 | br_vlan_delete(br, vinfo->vid); | |
510 | } | |
511 | break; | |
512 | } | |
513 | ||
514 | return err; | |
515 | } | |
407af329 VY |
516 | |
517 | static int br_afspec(struct net_bridge *br, | |
518 | struct net_bridge_port *p, | |
519 | struct nlattr *af_spec, | |
520 | int cmd) | |
521 | { | |
bdced7ef RP |
522 | struct bridge_vlan_info *vinfo_start = NULL; |
523 | struct bridge_vlan_info *vinfo = NULL; | |
524 | struct nlattr *attr; | |
407af329 | 525 | int err = 0; |
bdced7ef | 526 | int rem; |
407af329 | 527 | |
bdced7ef RP |
528 | nla_for_each_nested(attr, af_spec, rem) { |
529 | if (nla_type(attr) != IFLA_BRIDGE_VLAN_INFO) | |
530 | continue; | |
531 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) | |
532 | return -EINVAL; | |
533 | vinfo = nla_data(attr); | |
462e1ead NA |
534 | if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) |
535 | return -EINVAL; | |
bdced7ef RP |
536 | if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { |
537 | if (vinfo_start) | |
538 | return -EINVAL; | |
539 | vinfo_start = vinfo; | |
6623c60d NA |
540 | /* don't allow range of pvids */ |
541 | if (vinfo_start->flags & BRIDGE_VLAN_INFO_PVID) | |
542 | return -EINVAL; | |
bdced7ef RP |
543 | continue; |
544 | } | |
407af329 | 545 | |
bdced7ef RP |
546 | if (vinfo_start) { |
547 | struct bridge_vlan_info tmp_vinfo; | |
548 | int v; | |
407af329 | 549 | |
bdced7ef RP |
550 | if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END)) |
551 | return -EINVAL; | |
407af329 | 552 | |
bdced7ef RP |
553 | if (vinfo->vid <= vinfo_start->vid) |
554 | return -EINVAL; | |
555 | ||
556 | memcpy(&tmp_vinfo, vinfo_start, | |
557 | sizeof(struct bridge_vlan_info)); | |
407af329 | 558 | |
bdced7ef RP |
559 | for (v = vinfo_start->vid; v <= vinfo->vid; v++) { |
560 | tmp_vinfo.vid = v; | |
561 | err = br_vlan_info(br, p, cmd, &tmp_vinfo); | |
407af329 VY |
562 | if (err) |
563 | break; | |
bdced7ef RP |
564 | } |
565 | vinfo_start = NULL; | |
566 | } else { | |
567 | err = br_vlan_info(br, p, cmd, vinfo); | |
407af329 | 568 | } |
bdced7ef RP |
569 | if (err) |
570 | break; | |
407af329 VY |
571 | } |
572 | ||
573 | return err; | |
574 | } | |
575 | ||
3ac636b8 | 576 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
25c71c75 | 577 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
578 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
579 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
580 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
a2e01a65 | 581 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
1007dd1a | 582 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
6f705d8c | 583 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
9ba18891 | 584 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
867a5943 | 585 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
355b9f9d | 586 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
786c2077 | 587 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
5d6ae479 | 588 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
25c71c75 | 589 | }; |
590 | ||
591 | /* Change the state of the port and notify spanning tree */ | |
592 | static int br_set_port_state(struct net_bridge_port *p, u8 state) | |
593 | { | |
594 | if (state > BR_STATE_BLOCKING) | |
595 | return -EINVAL; | |
596 | ||
597 | /* if kernel STP is running, don't allow changes */ | |
598 | if (p->br->stp_enabled == BR_KERNEL_STP) | |
599 | return -EBUSY; | |
600 | ||
576eb625 | 601 | /* if device is not up, change is not allowed |
602 | * if link is not present, only allowable state is disabled | |
603 | */ | |
25c71c75 | 604 | if (!netif_running(p->dev) || |
576eb625 | 605 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
25c71c75 | 606 | return -ENETDOWN; |
607 | ||
775dd692 | 608 | br_set_state(p, state); |
25c71c75 | 609 | br_port_state_selection(p->br); |
610 | return 0; | |
611 | } | |
612 | ||
613 | /* Set/clear or port flags based on attribute */ | |
614 | static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], | |
615 | int attrtype, unsigned long mask) | |
616 | { | |
617 | if (tb[attrtype]) { | |
618 | u8 flag = nla_get_u8(tb[attrtype]); | |
619 | if (flag) | |
620 | p->flags |= mask; | |
621 | else | |
622 | p->flags &= ~mask; | |
623 | } | |
624 | } | |
625 | ||
626 | /* Process bridge protocol info on port */ | |
627 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) | |
628 | { | |
629 | int err; | |
e028e4b8 | 630 | unsigned long old_flags = p->flags; |
25c71c75 | 631 | |
632 | br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); | |
a2e01a65 | 633 | br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); |
c2d3babf | 634 | br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); |
3d84fa98 | 635 | br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); |
9ba18891 | 636 | br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); |
867a5943 | 637 | br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); |
b6cb5ac8 | 638 | br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); |
95850116 | 639 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); |
842a9ae0 | 640 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); |
25c71c75 | 641 | |
642 | if (tb[IFLA_BRPORT_COST]) { | |
643 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); | |
644 | if (err) | |
645 | return err; | |
646 | } | |
647 | ||
648 | if (tb[IFLA_BRPORT_PRIORITY]) { | |
649 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); | |
650 | if (err) | |
651 | return err; | |
652 | } | |
653 | ||
654 | if (tb[IFLA_BRPORT_STATE]) { | |
655 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); | |
656 | if (err) | |
657 | return err; | |
658 | } | |
e028e4b8 | 659 | |
9b0c6e4d NA |
660 | if (tb[IFLA_BRPORT_FLUSH]) |
661 | br_fdb_delete_by_port(p->br, p, 0, 0); | |
662 | ||
5d6ae479 NA |
663 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
664 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { | |
665 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); | |
666 | ||
667 | err = br_multicast_set_port_router(p, mcast_router); | |
668 | if (err) | |
669 | return err; | |
670 | } | |
671 | #endif | |
e028e4b8 | 672 | br_port_flags_change(p, old_flags ^ p->flags); |
25c71c75 | 673 | return 0; |
674 | } | |
675 | ||
676 | /* Change state and parameters on port. */ | |
add511b3 | 677 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
11dc1f36 | 678 | { |
74685962 | 679 | struct nlattr *protinfo; |
407af329 | 680 | struct nlattr *afspec; |
11dc1f36 | 681 | struct net_bridge_port *p; |
2062cc20 | 682 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; |
41c498b9 | 683 | int err = 0; |
11dc1f36 | 684 | |
c60ee67f H |
685 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
686 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
407af329 | 687 | if (!protinfo && !afspec) |
25c71c75 | 688 | return 0; |
11dc1f36 | 689 | |
ec1e5610 | 690 | p = br_port_get_rtnl(dev); |
407af329 | 691 | /* We want to accept dev as bridge itself if the AF_SPEC |
8e3bff96 | 692 | * is set to see if someone is setting vlan info on the bridge |
407af329 | 693 | */ |
7b99a993 | 694 | if (!p && !afspec) |
b5ed54e9 | 695 | return -EINVAL; |
11dc1f36 | 696 | |
407af329 VY |
697 | if (p && protinfo) { |
698 | if (protinfo->nla_type & NLA_F_NESTED) { | |
699 | err = nla_parse_nested(tb, IFLA_BRPORT_MAX, | |
3ac636b8 | 700 | protinfo, br_port_policy); |
407af329 VY |
701 | if (err) |
702 | return err; | |
703 | ||
704 | spin_lock_bh(&p->br->lock); | |
705 | err = br_setport(p, tb); | |
706 | spin_unlock_bh(&p->br->lock); | |
707 | } else { | |
8e3bff96 | 708 | /* Binary compatibility with old RSTP */ |
407af329 VY |
709 | if (nla_len(protinfo) < sizeof(u8)) |
710 | return -EINVAL; | |
711 | ||
712 | spin_lock_bh(&p->br->lock); | |
713 | err = br_set_port_state(p, nla_get_u8(protinfo)); | |
714 | spin_unlock_bh(&p->br->lock); | |
715 | } | |
25c71c75 | 716 | if (err) |
407af329 VY |
717 | goto out; |
718 | } | |
11dc1f36 | 719 | |
407af329 VY |
720 | if (afspec) { |
721 | err = br_afspec((struct net_bridge *)netdev_priv(dev), p, | |
722 | afspec, RTM_SETLINK); | |
25c71c75 | 723 | } |
b03b6dd5 | 724 | |
25c71c75 | 725 | if (err == 0) |
726 | br_ifinfo_notify(RTM_NEWLINK, p); | |
407af329 | 727 | out: |
25c71c75 | 728 | return err; |
11dc1f36 SH |
729 | } |
730 | ||
407af329 | 731 | /* Delete port information */ |
add511b3 | 732 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
407af329 | 733 | { |
407af329 VY |
734 | struct nlattr *afspec; |
735 | struct net_bridge_port *p; | |
8508025c | 736 | int err = 0; |
407af329 | 737 | |
c60ee67f | 738 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
407af329 VY |
739 | if (!afspec) |
740 | return 0; | |
741 | ||
742 | p = br_port_get_rtnl(dev); | |
743 | /* We want to accept dev as bridge itself as well */ | |
744 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) | |
745 | return -EINVAL; | |
746 | ||
747 | err = br_afspec((struct net_bridge *)netdev_priv(dev), p, | |
748 | afspec, RTM_DELLINK); | |
02dba438 RP |
749 | if (err == 0) |
750 | /* Send RTM_NEWLINK because userspace | |
751 | * expects RTM_NEWLINK for vlan dels | |
752 | */ | |
753 | br_ifinfo_notify(RTM_NEWLINK, p); | |
407af329 VY |
754 | |
755 | return err; | |
756 | } | |
bb900b27 | 757 | static int br_validate(struct nlattr *tb[], struct nlattr *data[]) |
758 | { | |
759 | if (tb[IFLA_ADDRESS]) { | |
760 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
761 | return -EINVAL; | |
762 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
763 | return -EADDRNOTAVAIL; | |
764 | } | |
765 | ||
d2d427b3 TM |
766 | if (!data) |
767 | return 0; | |
768 | ||
769 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
770 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
771 | switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { | |
772 | case htons(ETH_P_8021Q): | |
773 | case htons(ETH_P_8021AD): | |
774 | break; | |
775 | default: | |
776 | return -EPROTONOSUPPORT; | |
777 | } | |
778 | } | |
779 | #endif | |
780 | ||
bb900b27 | 781 | return 0; |
782 | } | |
783 | ||
30313a3d TM |
784 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
785 | struct nlattr *tb[], struct nlattr *data[]) | |
786 | { | |
787 | struct net_bridge *br = netdev_priv(dev); | |
788 | ||
789 | if (tb[IFLA_ADDRESS]) { | |
790 | spin_lock_bh(&br->lock); | |
791 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); | |
792 | spin_unlock_bh(&br->lock); | |
793 | } | |
794 | ||
795 | return register_netdevice(dev); | |
796 | } | |
797 | ||
3ac636b8 JP |
798 | static int br_port_slave_changelink(struct net_device *brdev, |
799 | struct net_device *dev, | |
800 | struct nlattr *tb[], | |
801 | struct nlattr *data[]) | |
802 | { | |
963ad948 NA |
803 | struct net_bridge *br = netdev_priv(brdev); |
804 | int ret; | |
805 | ||
3ac636b8 JP |
806 | if (!data) |
807 | return 0; | |
963ad948 NA |
808 | |
809 | spin_lock_bh(&br->lock); | |
810 | ret = br_setport(br_port_get_rtnl(dev), data); | |
811 | spin_unlock_bh(&br->lock); | |
812 | ||
813 | return ret; | |
3ac636b8 JP |
814 | } |
815 | ||
ced8283f JP |
816 | static int br_port_fill_slave_info(struct sk_buff *skb, |
817 | const struct net_device *brdev, | |
818 | const struct net_device *dev) | |
819 | { | |
820 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); | |
821 | } | |
822 | ||
823 | static size_t br_port_get_slave_size(const struct net_device *brdev, | |
824 | const struct net_device *dev) | |
825 | { | |
826 | return br_port_info_size(); | |
827 | } | |
828 | ||
13323516 JP |
829 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
830 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, | |
831 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, | |
832 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, | |
af615762 JT |
833 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
834 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, | |
835 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, | |
a7854037 | 836 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
d2d427b3 | 837 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
7910228b | 838 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
111189ab NA |
839 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
840 | .len = ETH_ALEN }, | |
a9a6bc70 | 841 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
89126327 | 842 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
295141d9 | 843 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
ba062d7c | 844 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
431db3c0 | 845 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
858079fd | 846 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
79b859f5 | 847 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
b89e6bab | 848 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
7e4df51e NA |
849 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
850 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, | |
851 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, | |
852 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, | |
853 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, | |
854 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, | |
93870cc0 NA |
855 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
856 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, | |
857 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, | |
0f963b75 | 858 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
6dada9b1 | 859 | [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, |
1080ab95 | 860 | [IFLA_BR_MCAST_STATS_ENABLED] = { .type = NLA_U8 }, |
13323516 JP |
861 | }; |
862 | ||
863 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], | |
864 | struct nlattr *data[]) | |
865 | { | |
866 | struct net_bridge *br = netdev_priv(brdev); | |
867 | int err; | |
868 | ||
869 | if (!data) | |
870 | return 0; | |
871 | ||
872 | if (data[IFLA_BR_FORWARD_DELAY]) { | |
873 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); | |
874 | if (err) | |
875 | return err; | |
876 | } | |
877 | ||
878 | if (data[IFLA_BR_HELLO_TIME]) { | |
879 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); | |
880 | if (err) | |
881 | return err; | |
882 | } | |
883 | ||
884 | if (data[IFLA_BR_MAX_AGE]) { | |
885 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); | |
886 | if (err) | |
887 | return err; | |
888 | } | |
889 | ||
af615762 | 890 | if (data[IFLA_BR_AGEING_TIME]) { |
c62987bb SF |
891 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
892 | if (err) | |
893 | return err; | |
af615762 JT |
894 | } |
895 | ||
896 | if (data[IFLA_BR_STP_STATE]) { | |
897 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); | |
898 | ||
899 | br_stp_set_enabled(br, stp_enabled); | |
900 | } | |
901 | ||
902 | if (data[IFLA_BR_PRIORITY]) { | |
903 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); | |
904 | ||
905 | br_stp_set_bridge_priority(br, priority); | |
906 | } | |
907 | ||
a7854037 NA |
908 | if (data[IFLA_BR_VLAN_FILTERING]) { |
909 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); | |
910 | ||
911 | err = __br_vlan_filter_toggle(br, vlan_filter); | |
912 | if (err) | |
913 | return err; | |
914 | } | |
915 | ||
d2d427b3 TM |
916 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
917 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
918 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); | |
919 | ||
920 | err = __br_vlan_set_proto(br, vlan_proto); | |
921 | if (err) | |
922 | return err; | |
923 | } | |
0f963b75 NA |
924 | |
925 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
926 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
927 | ||
928 | err = __br_vlan_set_default_pvid(br, defpvid); | |
929 | if (err) | |
930 | return err; | |
931 | } | |
6dada9b1 NA |
932 | |
933 | if (data[IFLA_BR_VLAN_STATS_ENABLED]) { | |
934 | __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); | |
935 | ||
936 | err = br_vlan_set_stats(br, vlan_stats); | |
937 | if (err) | |
938 | return err; | |
939 | } | |
d2d427b3 TM |
940 | #endif |
941 | ||
7910228b NA |
942 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
943 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); | |
944 | ||
945 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) | |
946 | return -EINVAL; | |
947 | br->group_fwd_mask = fwd_mask; | |
948 | } | |
949 | ||
111189ab NA |
950 | if (data[IFLA_BR_GROUP_ADDR]) { |
951 | u8 new_addr[ETH_ALEN]; | |
952 | ||
953 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) | |
954 | return -EINVAL; | |
955 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); | |
956 | if (!is_link_local_ether_addr(new_addr)) | |
957 | return -EINVAL; | |
958 | if (new_addr[5] == 1 || /* 802.3x Pause address */ | |
959 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
960 | new_addr[5] == 3) /* 802.1X PAE address */ | |
961 | return -EINVAL; | |
962 | spin_lock_bh(&br->lock); | |
963 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); | |
964 | spin_unlock_bh(&br->lock); | |
965 | br->group_addr_set = true; | |
966 | br_recalculate_fwd_mask(br); | |
967 | } | |
968 | ||
150217c6 NA |
969 | if (data[IFLA_BR_FDB_FLUSH]) |
970 | br_fdb_flush(br); | |
971 | ||
a9a6bc70 NA |
972 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
973 | if (data[IFLA_BR_MCAST_ROUTER]) { | |
974 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); | |
975 | ||
976 | err = br_multicast_set_router(br, multicast_router); | |
977 | if (err) | |
978 | return err; | |
979 | } | |
89126327 NA |
980 | |
981 | if (data[IFLA_BR_MCAST_SNOOPING]) { | |
982 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); | |
983 | ||
984 | err = br_multicast_toggle(br, mcast_snooping); | |
985 | if (err) | |
986 | return err; | |
987 | } | |
295141d9 NA |
988 | |
989 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { | |
990 | u8 val; | |
991 | ||
992 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); | |
993 | br->multicast_query_use_ifaddr = !!val; | |
994 | } | |
ba062d7c NA |
995 | |
996 | if (data[IFLA_BR_MCAST_QUERIER]) { | |
997 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); | |
998 | ||
999 | err = br_multicast_set_querier(br, mcast_querier); | |
1000 | if (err) | |
1001 | return err; | |
1002 | } | |
431db3c0 NA |
1003 | |
1004 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) { | |
1005 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_HASH_ELASTICITY]); | |
1006 | ||
1007 | br->hash_elasticity = val; | |
1008 | } | |
858079fd NA |
1009 | |
1010 | if (data[IFLA_BR_MCAST_HASH_MAX]) { | |
1011 | u32 hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); | |
1012 | ||
1013 | err = br_multicast_set_hash_max(br, hash_max); | |
1014 | if (err) | |
1015 | return err; | |
1016 | } | |
79b859f5 NA |
1017 | |
1018 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { | |
1019 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); | |
1020 | ||
1021 | br->multicast_last_member_count = val; | |
1022 | } | |
b89e6bab NA |
1023 | |
1024 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { | |
1025 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); | |
1026 | ||
1027 | br->multicast_startup_query_count = val; | |
1028 | } | |
7e4df51e NA |
1029 | |
1030 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { | |
1031 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); | |
1032 | ||
1033 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
1034 | } | |
1035 | ||
1036 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { | |
1037 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); | |
1038 | ||
1039 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
1040 | } | |
1041 | ||
1042 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { | |
1043 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); | |
1044 | ||
1045 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
1046 | } | |
1047 | ||
1048 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { | |
1049 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); | |
1050 | ||
1051 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
1052 | } | |
1053 | ||
1054 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { | |
1055 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); | |
1056 | ||
1057 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
1058 | } | |
1059 | ||
1060 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { | |
1061 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); | |
1062 | ||
1063 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
1064 | } | |
1080ab95 NA |
1065 | |
1066 | if (data[IFLA_BR_MCAST_STATS_ENABLED]) { | |
1067 | __u8 mcast_stats; | |
1068 | ||
1069 | mcast_stats = nla_get_u8(data[IFLA_BR_MCAST_STATS_ENABLED]); | |
1070 | br->multicast_stats_enabled = !!mcast_stats; | |
1071 | } | |
a9a6bc70 | 1072 | #endif |
93870cc0 NA |
1073 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1074 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { | |
1075 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); | |
1076 | ||
1077 | br->nf_call_iptables = val ? true : false; | |
1078 | } | |
1079 | ||
1080 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { | |
1081 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); | |
1082 | ||
1083 | br->nf_call_ip6tables = val ? true : false; | |
1084 | } | |
1085 | ||
1086 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { | |
1087 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); | |
1088 | ||
1089 | br->nf_call_arptables = val ? true : false; | |
1090 | } | |
1091 | #endif | |
a9a6bc70 | 1092 | |
13323516 JP |
1093 | return 0; |
1094 | } | |
1095 | ||
e5c3ea5c JP |
1096 | static size_t br_get_size(const struct net_device *brdev) |
1097 | { | |
1098 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ | |
1099 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ | |
1100 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ | |
af615762 JT |
1101 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
1102 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ | |
1103 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ | |
a7854037 | 1104 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
d2d427b3 TM |
1105 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1106 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ | |
0f963b75 | 1107 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
6dada9b1 | 1108 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ |
d2d427b3 | 1109 | #endif |
7910228b | 1110 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
5127c81f | 1111 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
7599a220 | 1112 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
8762ba68 | 1113 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
684dd248 | 1114 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
b89e6bab NA |
1115 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
1116 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ | |
12a0faa3 ND |
1117 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
1118 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ | |
1119 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ | |
1120 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ | |
111189ab | 1121 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
a9a6bc70 NA |
1122 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1123 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ | |
89126327 | 1124 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
295141d9 | 1125 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
ba062d7c | 1126 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
1080ab95 | 1127 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_STATS_ENABLED */ |
b89e6bab NA |
1128 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
1129 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ | |
1130 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ | |
1131 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ | |
12a0faa3 ND |
1132 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
1133 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ | |
1134 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ | |
1135 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ | |
1136 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ | |
1137 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ | |
93870cc0 NA |
1138 | #endif |
1139 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) | |
1140 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ | |
1141 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ | |
1142 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ | |
a9a6bc70 | 1143 | #endif |
e5c3ea5c JP |
1144 | 0; |
1145 | } | |
1146 | ||
1147 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) | |
1148 | { | |
1149 | struct net_bridge *br = netdev_priv(brdev); | |
1150 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); | |
1151 | u32 hello_time = jiffies_to_clock_t(br->hello_time); | |
1152 | u32 age_time = jiffies_to_clock_t(br->max_age); | |
af615762 JT |
1153 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
1154 | u32 stp_enabled = br->stp_enabled; | |
1155 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; | |
a7854037 | 1156 | u8 vlan_enabled = br_vlan_enabled(br); |
4917a154 NA |
1157 | u64 clockval; |
1158 | ||
1159 | clockval = br_timer_value(&br->hello_timer); | |
12a0faa3 | 1160 | if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1161 | return -EMSGSIZE; |
1162 | clockval = br_timer_value(&br->tcn_timer); | |
12a0faa3 | 1163 | if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1164 | return -EMSGSIZE; |
1165 | clockval = br_timer_value(&br->topology_change_timer); | |
12a0faa3 ND |
1166 | if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, |
1167 | IFLA_BR_PAD)) | |
4917a154 NA |
1168 | return -EMSGSIZE; |
1169 | clockval = br_timer_value(&br->gc_timer); | |
12a0faa3 | 1170 | if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 | 1171 | return -EMSGSIZE; |
e5c3ea5c JP |
1172 | |
1173 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || | |
1174 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || | |
af615762 JT |
1175 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
1176 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || | |
1177 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || | |
a7854037 | 1178 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
7910228b | 1179 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
4917a154 NA |
1180 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
1181 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
1182 | &br->bridge_id) || | |
1183 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), | |
1184 | &br->designated_root) || | |
684dd248 | 1185 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
ed416309 NA |
1186 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
1187 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || | |
1188 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
d76bd14e | 1189 | br->topology_change_detected) || |
111189ab | 1190 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr)) |
e5c3ea5c JP |
1191 | return -EMSGSIZE; |
1192 | ||
d2d427b3 | 1193 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
0f963b75 | 1194 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
6dada9b1 NA |
1195 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || |
1196 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, br->vlan_stats_enabled)) | |
d2d427b3 TM |
1197 | return -EMSGSIZE; |
1198 | #endif | |
a9a6bc70 | 1199 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
89126327 | 1200 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || |
295141d9 NA |
1201 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, !br->multicast_disabled) || |
1202 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, | |
ba062d7c | 1203 | br->multicast_query_use_ifaddr) || |
431db3c0 | 1204 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, br->multicast_querier) || |
1080ab95 NA |
1205 | nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED, |
1206 | br->multicast_stats_enabled) || | |
431db3c0 | 1207 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, |
858079fd | 1208 | br->hash_elasticity) || |
79b859f5 NA |
1209 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
1210 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
b89e6bab NA |
1211 | br->multicast_last_member_count) || |
1212 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
1213 | br->multicast_startup_query_count)) | |
a9a6bc70 | 1214 | return -EMSGSIZE; |
7e4df51e NA |
1215 | |
1216 | clockval = jiffies_to_clock_t(br->multicast_last_member_interval); | |
12a0faa3 ND |
1217 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, |
1218 | IFLA_BR_PAD)) | |
7e4df51e NA |
1219 | return -EMSGSIZE; |
1220 | clockval = jiffies_to_clock_t(br->multicast_membership_interval); | |
12a0faa3 ND |
1221 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, |
1222 | IFLA_BR_PAD)) | |
7e4df51e NA |
1223 | return -EMSGSIZE; |
1224 | clockval = jiffies_to_clock_t(br->multicast_querier_interval); | |
12a0faa3 ND |
1225 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, |
1226 | IFLA_BR_PAD)) | |
7e4df51e NA |
1227 | return -EMSGSIZE; |
1228 | clockval = jiffies_to_clock_t(br->multicast_query_interval); | |
12a0faa3 ND |
1229 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, |
1230 | IFLA_BR_PAD)) | |
7e4df51e NA |
1231 | return -EMSGSIZE; |
1232 | clockval = jiffies_to_clock_t(br->multicast_query_response_interval); | |
12a0faa3 ND |
1233 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, |
1234 | IFLA_BR_PAD)) | |
7e4df51e NA |
1235 | return -EMSGSIZE; |
1236 | clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); | |
12a0faa3 ND |
1237 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, |
1238 | IFLA_BR_PAD)) | |
7e4df51e | 1239 | return -EMSGSIZE; |
a9a6bc70 | 1240 | #endif |
93870cc0 NA |
1241 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1242 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, | |
1243 | br->nf_call_iptables ? 1 : 0) || | |
1244 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, | |
1245 | br->nf_call_ip6tables ? 1 : 0) || | |
1246 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, | |
1247 | br->nf_call_arptables ? 1 : 0)) | |
1248 | return -EMSGSIZE; | |
1249 | #endif | |
a9a6bc70 | 1250 | |
e5c3ea5c JP |
1251 | return 0; |
1252 | } | |
1253 | ||
d5ff8c41 | 1254 | static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) |
a60c0903 | 1255 | { |
d5ff8c41 | 1256 | struct net_bridge_port *p = NULL; |
a60c0903 NA |
1257 | struct net_bridge_vlan_group *vg; |
1258 | struct net_bridge_vlan *v; | |
d5ff8c41 | 1259 | struct net_bridge *br; |
a60c0903 NA |
1260 | int numvls = 0; |
1261 | ||
d5ff8c41 NA |
1262 | switch (attr) { |
1263 | case IFLA_STATS_LINK_XSTATS: | |
1264 | br = netdev_priv(dev); | |
1265 | vg = br_vlan_group(br); | |
1266 | break; | |
1267 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
1268 | p = br_port_get_rtnl(dev); | |
1269 | if (!p) | |
1270 | return 0; | |
1271 | br = p->br; | |
1272 | vg = nbp_vlan_group(p); | |
1273 | break; | |
1274 | default: | |
1275 | return 0; | |
1276 | } | |
1277 | ||
1080ab95 NA |
1278 | if (vg) { |
1279 | /* we need to count all, even placeholder entries */ | |
1280 | list_for_each_entry(v, &vg->vlan_list, vlist) | |
1281 | numvls++; | |
1282 | } | |
a60c0903 | 1283 | |
a60c0903 | 1284 | return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + |
1080ab95 | 1285 | nla_total_size(sizeof(struct br_mcast_stats)) + |
a60c0903 NA |
1286 | nla_total_size(0); |
1287 | } | |
1288 | ||
d5ff8c41 NA |
1289 | static int br_fill_linkxstats(struct sk_buff *skb, |
1290 | const struct net_device *dev, | |
1291 | int *prividx, int attr) | |
80e73cc5 | 1292 | { |
d5ff8c41 NA |
1293 | struct nlattr *nla __maybe_unused; |
1294 | struct net_bridge_port *p = NULL; | |
1295 | struct net_bridge_vlan_group *vg; | |
1296 | struct net_bridge_vlan *v; | |
1297 | struct net_bridge *br; | |
1298 | struct nlattr *nest; | |
1299 | int vl_idx = 0; | |
80e73cc5 NA |
1300 | |
1301 | switch (attr) { | |
1302 | case IFLA_STATS_LINK_XSTATS: | |
d5ff8c41 NA |
1303 | br = netdev_priv(dev); |
1304 | vg = br_vlan_group(br); | |
80e73cc5 NA |
1305 | break; |
1306 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
d5ff8c41 NA |
1307 | p = br_port_get_rtnl(dev); |
1308 | if (!p) | |
1309 | return 0; | |
1310 | br = p->br; | |
1311 | vg = nbp_vlan_group(p); | |
80e73cc5 | 1312 | break; |
d5ff8c41 NA |
1313 | default: |
1314 | return -EINVAL; | |
80e73cc5 NA |
1315 | } |
1316 | ||
a60c0903 NA |
1317 | nest = nla_nest_start(skb, LINK_XSTATS_TYPE_BRIDGE); |
1318 | if (!nest) | |
1319 | return -EMSGSIZE; | |
a60c0903 | 1320 | |
1080ab95 | 1321 | if (vg) { |
72f4af4e NA |
1322 | u16 pvid; |
1323 | ||
1324 | pvid = br_get_pvid(vg); | |
1080ab95 NA |
1325 | list_for_each_entry(v, &vg->vlan_list, vlist) { |
1326 | struct bridge_vlan_xstats vxi; | |
1327 | struct br_vlan_stats stats; | |
1328 | ||
1329 | if (++vl_idx < *prividx) | |
1330 | continue; | |
1331 | memset(&vxi, 0, sizeof(vxi)); | |
1332 | vxi.vid = v->vid; | |
61ba1a2d | 1333 | vxi.flags = v->flags; |
72f4af4e NA |
1334 | if (v->vid == pvid) |
1335 | vxi.flags |= BRIDGE_VLAN_INFO_PVID; | |
1080ab95 NA |
1336 | br_vlan_get_stats(v, &stats); |
1337 | vxi.rx_bytes = stats.rx_bytes; | |
1338 | vxi.rx_packets = stats.rx_packets; | |
1339 | vxi.tx_bytes = stats.tx_bytes; | |
1340 | vxi.tx_packets = stats.tx_packets; | |
1341 | ||
1342 | if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) | |
1343 | goto nla_put_failure; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
1348 | if (++vl_idx >= *prividx) { | |
1349 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_MCAST, | |
1350 | sizeof(struct br_mcast_stats), | |
1351 | BRIDGE_XSTATS_PAD); | |
1352 | if (!nla) | |
a60c0903 | 1353 | goto nla_put_failure; |
d5ff8c41 | 1354 | br_multicast_get_stats(br, p, nla_data(nla)); |
a60c0903 | 1355 | } |
1080ab95 | 1356 | #endif |
a60c0903 NA |
1357 | nla_nest_end(skb, nest); |
1358 | *prividx = 0; | |
1080ab95 | 1359 | |
a60c0903 NA |
1360 | return 0; |
1361 | ||
1362 | nla_put_failure: | |
1363 | nla_nest_end(skb, nest); | |
1364 | *prividx = vl_idx; | |
1365 | ||
1366 | return -EMSGSIZE; | |
1367 | } | |
fed0a159 | 1368 | |
207895fd | 1369 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
6cbdceeb | 1370 | .family = AF_BRIDGE, |
b1974ed0 | 1371 | .get_link_af_size = br_get_link_af_size_filtered, |
6cbdceeb VY |
1372 | }; |
1373 | ||
149ddd83 | 1374 | struct rtnl_link_ops br_link_ops __read_mostly = { |
ced8283f JP |
1375 | .kind = "bridge", |
1376 | .priv_size = sizeof(struct net_bridge), | |
1377 | .setup = br_dev_setup, | |
eb4cb851 | 1378 | .maxtype = IFLA_BR_MAX, |
13323516 | 1379 | .policy = br_policy, |
ced8283f JP |
1380 | .validate = br_validate, |
1381 | .newlink = br_dev_newlink, | |
13323516 | 1382 | .changelink = br_changelink, |
ced8283f | 1383 | .dellink = br_dev_delete, |
e5c3ea5c JP |
1384 | .get_size = br_get_size, |
1385 | .fill_info = br_fill_info, | |
a60c0903 NA |
1386 | .fill_linkxstats = br_fill_linkxstats, |
1387 | .get_linkxstats_size = br_get_linkxstats_size, | |
3ac636b8 JP |
1388 | |
1389 | .slave_maxtype = IFLA_BRPORT_MAX, | |
1390 | .slave_policy = br_port_policy, | |
1391 | .slave_changelink = br_port_slave_changelink, | |
ced8283f JP |
1392 | .get_slave_size = br_port_get_slave_size, |
1393 | .fill_slave_info = br_port_fill_slave_info, | |
bb900b27 | 1394 | }; |
11dc1f36 | 1395 | |
32fe21c0 | 1396 | int __init br_netlink_init(void) |
11dc1f36 | 1397 | { |
3ec8e9f0 VY |
1398 | int err; |
1399 | ||
1400 | br_mdb_init(); | |
3678a9d8 | 1401 | rtnl_af_register(&br_af_ops); |
3ec8e9f0 | 1402 | |
6cbdceeb VY |
1403 | err = rtnl_link_register(&br_link_ops); |
1404 | if (err) | |
1405 | goto out_af; | |
1406 | ||
3ec8e9f0 | 1407 | return 0; |
6cbdceeb VY |
1408 | |
1409 | out_af: | |
1410 | rtnl_af_unregister(&br_af_ops); | |
3ec8e9f0 VY |
1411 | br_mdb_uninit(); |
1412 | return err; | |
11dc1f36 SH |
1413 | } |
1414 | ||
34666d46 | 1415 | void br_netlink_fini(void) |
11dc1f36 | 1416 | { |
3ec8e9f0 | 1417 | br_mdb_uninit(); |
6cbdceeb | 1418 | rtnl_af_unregister(&br_af_ops); |
bb900b27 | 1419 | rtnl_link_unregister(&br_link_ops); |
11dc1f36 | 1420 | } |