Commit | Line | Data |
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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" |
5e312fc0 | 19 | #include "br_private_cfm.h" |
efa5356b | 20 | #include "br_private_tunnel.h" |
2dba407f | 21 | #include "br_private_mcast_eht.h" |
11dc1f36 | 22 | |
2594e906 | 23 | static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 24 | u32 filter_mask) |
fed0a159 | 25 | { |
2594e906 NA |
26 | struct net_bridge_vlan *v; |
27 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 28 | u16 flags, pvid; |
fed0a159 RP |
29 | int num_vlans = 0; |
30 | ||
fed0a159 RP |
31 | if (!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
32 | return 0; | |
33 | ||
77751ee8 | 34 | pvid = br_get_pvid(vg); |
2594e906 | 35 | /* Count number of vlan infos */ |
586c2b57 | 36 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
fed0a159 | 37 | flags = 0; |
2594e906 NA |
38 | /* only a context, bridge vlan not activated */ |
39 | if (!br_vlan_should_use(v)) | |
40 | continue; | |
41 | if (v->vid == pvid) | |
fed0a159 RP |
42 | flags |= BRIDGE_VLAN_INFO_PVID; |
43 | ||
2594e906 | 44 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
fed0a159 RP |
45 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
46 | ||
47 | if (vid_range_start == 0) { | |
48 | goto initvars; | |
2594e906 | 49 | } else if ((v->vid - vid_range_end) == 1 && |
fed0a159 | 50 | flags == vid_range_flags) { |
2594e906 | 51 | vid_range_end = v->vid; |
fed0a159 RP |
52 | continue; |
53 | } else { | |
54 | if ((vid_range_end - vid_range_start) > 0) | |
55 | num_vlans += 2; | |
56 | else | |
57 | num_vlans += 1; | |
58 | } | |
59 | initvars: | |
2594e906 NA |
60 | vid_range_start = v->vid; |
61 | vid_range_end = v->vid; | |
fed0a159 RP |
62 | vid_range_flags = flags; |
63 | } | |
64 | ||
65 | if (vid_range_start != 0) { | |
66 | if ((vid_range_end - vid_range_start) > 0) | |
67 | num_vlans += 2; | |
68 | else | |
69 | num_vlans += 1; | |
70 | } | |
71 | ||
72 | return num_vlans; | |
73 | } | |
74 | ||
2594e906 | 75 | static int br_get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
77751ee8 | 76 | u32 filter_mask) |
2594e906 | 77 | { |
586c2b57 NA |
78 | int num_vlans; |
79 | ||
2594e906 NA |
80 | if (!vg) |
81 | return 0; | |
82 | ||
83 | if (filter_mask & RTEXT_FILTER_BRVLAN) | |
84 | return vg->num_vlans; | |
85 | ||
586c2b57 NA |
86 | rcu_read_lock(); |
87 | num_vlans = __get_num_vlan_infos(vg, filter_mask); | |
88 | rcu_read_unlock(); | |
89 | ||
90 | return num_vlans; | |
2594e906 NA |
91 | } |
92 | ||
fed0a159 RP |
93 | static size_t br_get_link_af_size_filtered(const struct net_device *dev, |
94 | u32 filter_mask) | |
b7853d73 | 95 | { |
2594e906 | 96 | struct net_bridge_vlan_group *vg = NULL; |
efa5356b | 97 | struct net_bridge_port *p = NULL; |
b6d0425b HB |
98 | struct net_bridge *br = NULL; |
99 | u32 num_cfm_peer_mep_infos; | |
100 | u32 num_cfm_mep_infos; | |
efa5356b | 101 | size_t vinfo_sz = 0; |
b6d0425b | 102 | int num_vlan_infos; |
b7853d73 | 103 | |
2f56f6be | 104 | rcu_read_lock(); |
35f861e3 | 105 | if (netif_is_bridge_port(dev)) { |
59259ff7 ZZ |
106 | p = br_port_get_check_rcu(dev); |
107 | if (p) | |
108 | vg = nbp_vlan_group_rcu(p); | |
2594e906 NA |
109 | } else if (dev->priv_flags & IFF_EBRIDGE) { |
110 | br = netdev_priv(dev); | |
907b1e6e | 111 | vg = br_vlan_group_rcu(br); |
2594e906 | 112 | } |
77751ee8 | 113 | num_vlan_infos = br_get_num_vlan_infos(vg, filter_mask); |
2f56f6be | 114 | rcu_read_unlock(); |
b7853d73 | 115 | |
efa5356b RP |
116 | if (p && (p->flags & BR_VLAN_TUNNEL)) |
117 | vinfo_sz += br_get_vlan_tunnel_info_size(vg); | |
118 | ||
b7853d73 | 119 | /* Each VLAN is returned in bridge_vlan_info along with flags */ |
efa5356b RP |
120 | vinfo_sz += num_vlan_infos * nla_total_size(sizeof(struct bridge_vlan_info)); |
121 | ||
b6d0425b HB |
122 | if (!(filter_mask & RTEXT_FILTER_CFM_STATUS)) |
123 | return vinfo_sz; | |
124 | ||
125 | if (!br) | |
126 | return vinfo_sz; | |
127 | ||
128 | /* CFM status info must be added */ | |
129 | br_cfm_mep_count(br, &num_cfm_mep_infos); | |
130 | br_cfm_peer_mep_count(br, &num_cfm_peer_mep_infos); | |
131 | ||
132 | vinfo_sz += nla_total_size(0); /* IFLA_BRIDGE_CFM */ | |
133 | /* For each status struct the MEP instance (u32) is added */ | |
134 | /* MEP instance (u32) + br_cfm_mep_status */ | |
135 | vinfo_sz += num_cfm_mep_infos * | |
136 | /*IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE */ | |
137 | (nla_total_size(sizeof(u32)) | |
138 | /* IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN */ | |
139 | + nla_total_size(sizeof(u32)) | |
140 | /* IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN */ | |
141 | + nla_total_size(sizeof(u32)) | |
142 | /* IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN */ | |
143 | + nla_total_size(sizeof(u32))); | |
144 | /* MEP instance (u32) + br_cfm_cc_peer_status */ | |
145 | vinfo_sz += num_cfm_peer_mep_infos * | |
146 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE */ | |
147 | (nla_total_size(sizeof(u32)) | |
148 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID */ | |
149 | + nla_total_size(sizeof(u32)) | |
150 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT */ | |
151 | + nla_total_size(sizeof(u32)) | |
152 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI */ | |
153 | + nla_total_size(sizeof(u32)) | |
154 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE */ | |
155 | + nla_total_size(sizeof(u8)) | |
156 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE */ | |
157 | + nla_total_size(sizeof(u8)) | |
158 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN */ | |
159 | + nla_total_size(sizeof(u32)) | |
160 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN */ | |
161 | + nla_total_size(sizeof(u32)) | |
162 | /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN */ | |
163 | + nla_total_size(sizeof(u32))); | |
164 | ||
efa5356b | 165 | return vinfo_sz; |
b7853d73 RP |
166 | } |
167 | ||
25c71c75 | 168 | static inline size_t br_port_info_size(void) |
169 | { | |
170 | return nla_total_size(1) /* IFLA_BRPORT_STATE */ | |
171 | + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ | |
172 | + nla_total_size(4) /* IFLA_BRPORT_COST */ | |
173 | + nla_total_size(1) /* IFLA_BRPORT_MODE */ | |
a2e01a65 | 174 | + nla_total_size(1) /* IFLA_BRPORT_GUARD */ |
1007dd1a | 175 | + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ |
3da889b6 | 176 | + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ |
6db6f0ea | 177 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */ |
9ba18891 | 178 | + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ |
867a5943 | 179 | + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ |
9051247d TK |
180 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */ |
181 | + nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */ | |
355b9f9d | 182 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ |
786c2077 | 183 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ |
efa5356b | 184 | + nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */ |
821f1b21 | 185 | + nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */ |
7d850abd | 186 | + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */ |
4ebc7660 | 187 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ |
80df9a26 | 188 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ |
96f94e7f NA |
189 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ |
190 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ | |
42d452c4 NA |
191 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ |
192 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ | |
e08e838a NA |
193 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ |
194 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ | |
12a0faa3 ND |
195 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
196 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ | |
197 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ | |
5d6ae479 NA |
198 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
199 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ | |
200 | #endif | |
5af48b59 | 201 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */ |
3e54442c | 202 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */ |
ffb3adba | 203 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_IN_OPEN */ |
2dba407f NA |
204 | + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */ |
205 | + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */ | |
25c71c75 | 206 | + 0; |
207 | } | |
208 | ||
fed0a159 | 209 | static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) |
339bf98f TG |
210 | { |
211 | return NLMSG_ALIGN(sizeof(struct ifinfomsg)) | |
25c71c75 | 212 | + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ |
213 | + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ | |
214 | + nla_total_size(4) /* IFLA_MASTER */ | |
215 | + nla_total_size(4) /* IFLA_MTU */ | |
216 | + nla_total_size(4) /* IFLA_LINK */ | |
217 | + nla_total_size(1) /* IFLA_OPERSTATE */ | |
b7853d73 | 218 | + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */ |
fed0a159 | 219 | + nla_total_size(br_get_link_af_size_filtered(dev, |
2756f68c NA |
220 | filter_mask)) /* IFLA_AF_SPEC */ |
221 | + nla_total_size(4); /* IFLA_BRPORT_BACKUP_PORT */ | |
25c71c75 | 222 | } |
223 | ||
224 | static int br_port_fill_attrs(struct sk_buff *skb, | |
225 | const struct net_bridge_port *p) | |
226 | { | |
227 | u8 mode = !!(p->flags & BR_HAIRPIN_MODE); | |
2756f68c | 228 | struct net_bridge_port *backup_p; |
61c0a9a8 | 229 | u64 timerval; |
25c71c75 | 230 | |
231 | if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) || | |
232 | nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) || | |
233 | nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || | |
a2e01a65 | 234 | nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || |
1007dd1a | 235 | nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || |
b6cb5ac8 NA |
236 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, |
237 | !!(p->flags & BR_ROOT_BLOCK)) || | |
238 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, | |
239 | !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || | |
6db6f0ea FF |
240 | nla_put_u8(skb, IFLA_BRPORT_MCAST_TO_UCAST, |
241 | !!(p->flags & BR_MULTICAST_TO_UNICAST)) || | |
867a5943 | 242 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
b6cb5ac8 NA |
243 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, |
244 | !!(p->flags & BR_FLOOD)) || | |
245 | nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, | |
246 | !!(p->flags & BR_MCAST_FLOOD)) || | |
99f906e9 MM |
247 | nla_put_u8(skb, IFLA_BRPORT_BCAST_FLOOD, |
248 | !!(p->flags & BR_BCAST_FLOOD)) || | |
842a9ae0 JM |
249 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
250 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, | |
4ebc7660 NA |
251 | !!(p->flags & BR_PROXYARP_WIFI)) || |
252 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), | |
80df9a26 NA |
253 | &p->designated_root) || |
254 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
96f94e7f NA |
255 | &p->designated_bridge) || |
256 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || | |
42d452c4 NA |
257 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
258 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || | |
e08e838a NA |
259 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
260 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
261 | p->topology_change_ack) || | |
efa5356b RP |
262 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending) || |
263 | nla_put_u8(skb, IFLA_BRPORT_VLAN_TUNNEL, !!(p->flags & | |
5af48b59 | 264 | BR_VLAN_TUNNEL)) || |
821f1b21 RP |
265 | nla_put_u16(skb, IFLA_BRPORT_GROUP_FWD_MASK, p->group_fwd_mask) || |
266 | nla_put_u8(skb, IFLA_BRPORT_NEIGH_SUPPRESS, | |
7d850abd | 267 | !!(p->flags & BR_NEIGH_SUPPRESS)) || |
3e54442c HV |
268 | nla_put_u8(skb, IFLA_BRPORT_MRP_RING_OPEN, !!(p->flags & |
269 | BR_MRP_LOST_CONT)) || | |
ffb3adba HV |
270 | nla_put_u8(skb, IFLA_BRPORT_MRP_IN_OPEN, |
271 | !!(p->flags & BR_MRP_LOST_IN_CONT)) || | |
7d850abd | 272 | nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED))) |
25c71c75 | 273 | return -EMSGSIZE; |
274 | ||
61c0a9a8 | 275 | timerval = br_timer_value(&p->message_age_timer); |
12a0faa3 ND |
276 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, |
277 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
278 | return -EMSGSIZE; |
279 | timerval = br_timer_value(&p->forward_delay_timer); | |
12a0faa3 ND |
280 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, |
281 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
282 | return -EMSGSIZE; |
283 | timerval = br_timer_value(&p->hold_timer); | |
12a0faa3 ND |
284 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, |
285 | IFLA_BRPORT_PAD)) | |
61c0a9a8 NA |
286 | return -EMSGSIZE; |
287 | ||
5d6ae479 NA |
288 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
289 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, | |
9632233e | 290 | p->multicast_ctx.multicast_router) || |
2dba407f NA |
291 | nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT, |
292 | p->multicast_eht_hosts_limit) || | |
293 | nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_CNT, | |
294 | p->multicast_eht_hosts_cnt)) | |
5d6ae479 NA |
295 | return -EMSGSIZE; |
296 | #endif | |
297 | ||
2756f68c NA |
298 | /* we might be called only with br->lock */ |
299 | rcu_read_lock(); | |
300 | backup_p = rcu_dereference(p->backup_port); | |
301 | if (backup_p) | |
302 | nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT, | |
303 | backup_p->dev->ifindex); | |
304 | rcu_read_unlock(); | |
305 | ||
25c71c75 | 306 | return 0; |
339bf98f TG |
307 | } |
308 | ||
36cd0ffb RP |
309 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
310 | u16 vid_end, u16 flags) | |
311 | { | |
312 | struct bridge_vlan_info vinfo; | |
313 | ||
314 | if ((vid_end - vid_start) > 0) { | |
315 | /* add range to skb */ | |
316 | vinfo.vid = vid_start; | |
317 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; | |
318 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
319 | sizeof(vinfo), &vinfo)) | |
320 | goto nla_put_failure; | |
321 | ||
36cd0ffb RP |
322 | vinfo.vid = vid_end; |
323 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; | |
324 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
325 | sizeof(vinfo), &vinfo)) | |
326 | goto nla_put_failure; | |
327 | } else { | |
328 | vinfo.vid = vid_start; | |
329 | vinfo.flags = flags; | |
330 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
331 | sizeof(vinfo), &vinfo)) | |
332 | goto nla_put_failure; | |
333 | } | |
334 | ||
335 | return 0; | |
336 | ||
337 | nla_put_failure: | |
338 | return -EMSGSIZE; | |
339 | } | |
340 | ||
341 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, | |
77751ee8 | 342 | struct net_bridge_vlan_group *vg) |
36cd0ffb | 343 | { |
2594e906 NA |
344 | struct net_bridge_vlan *v; |
345 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; | |
77751ee8 | 346 | u16 flags, pvid; |
36cd0ffb RP |
347 | int err = 0; |
348 | ||
349 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan | |
350 | * and mark vlan info with begin and end flags | |
351 | * if vlaninfo represents a range | |
352 | */ | |
77751ee8 | 353 | pvid = br_get_pvid(vg); |
e9c953ef | 354 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
36cd0ffb | 355 | flags = 0; |
2594e906 NA |
356 | if (!br_vlan_should_use(v)) |
357 | continue; | |
358 | if (v->vid == pvid) | |
36cd0ffb RP |
359 | flags |= BRIDGE_VLAN_INFO_PVID; |
360 | ||
2594e906 | 361 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
362 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
363 | ||
364 | if (vid_range_start == 0) { | |
365 | goto initvars; | |
2594e906 | 366 | } else if ((v->vid - vid_range_end) == 1 && |
36cd0ffb | 367 | flags == vid_range_flags) { |
2594e906 | 368 | vid_range_end = v->vid; |
36cd0ffb RP |
369 | continue; |
370 | } else { | |
371 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
372 | vid_range_end, | |
373 | vid_range_flags); | |
374 | if (err) | |
375 | return err; | |
376 | } | |
377 | ||
378 | initvars: | |
2594e906 NA |
379 | vid_range_start = v->vid; |
380 | vid_range_end = v->vid; | |
36cd0ffb RP |
381 | vid_range_flags = flags; |
382 | } | |
383 | ||
0fe6de49 RP |
384 | if (vid_range_start != 0) { |
385 | /* Call it once more to send any left over vlans */ | |
386 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, | |
387 | vid_range_end, | |
388 | vid_range_flags); | |
389 | if (err) | |
390 | return err; | |
391 | } | |
36cd0ffb RP |
392 | |
393 | return 0; | |
394 | } | |
395 | ||
396 | static int br_fill_ifvlaninfo(struct sk_buff *skb, | |
77751ee8 | 397 | struct net_bridge_vlan_group *vg) |
36cd0ffb RP |
398 | { |
399 | struct bridge_vlan_info vinfo; | |
2594e906 | 400 | struct net_bridge_vlan *v; |
77751ee8 | 401 | u16 pvid; |
36cd0ffb | 402 | |
77751ee8 | 403 | pvid = br_get_pvid(vg); |
e9c953ef | 404 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
2594e906 NA |
405 | if (!br_vlan_should_use(v)) |
406 | continue; | |
407 | ||
408 | vinfo.vid = v->vid; | |
36cd0ffb | 409 | vinfo.flags = 0; |
2594e906 | 410 | if (v->vid == pvid) |
36cd0ffb RP |
411 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
412 | ||
2594e906 | 413 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
36cd0ffb RP |
414 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
415 | ||
416 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, | |
417 | sizeof(vinfo), &vinfo)) | |
418 | goto nla_put_failure; | |
419 | } | |
420 | ||
421 | return 0; | |
422 | ||
423 | nla_put_failure: | |
424 | return -EMSGSIZE; | |
425 | } | |
426 | ||
11dc1f36 SH |
427 | /* |
428 | * Create one netlink message for one interface | |
429 | * Contains port and master info as well as carrier and bridge state. | |
430 | */ | |
6cbdceeb | 431 | static int br_fill_ifinfo(struct sk_buff *skb, |
92899063 | 432 | const struct net_bridge_port *port, |
6cbdceeb | 433 | u32 pid, u32 seq, int event, unsigned int flags, |
b6d0425b HB |
434 | u32 filter_mask, const struct net_device *dev, |
435 | bool getlink) | |
11dc1f36 | 436 | { |
92899063 | 437 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
b6c02ef5 | 438 | struct nlattr *af = NULL; |
2594e906 | 439 | struct net_bridge *br; |
74685962 | 440 | struct ifinfomsg *hdr; |
11dc1f36 | 441 | struct nlmsghdr *nlh; |
11dc1f36 | 442 | |
6cbdceeb VY |
443 | if (port) |
444 | br = port->br; | |
445 | else | |
446 | br = netdev_priv(dev); | |
447 | ||
28a16c97 | 448 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
449 | event, dev->name, br->dev->name); | |
11dc1f36 | 450 | |
74685962 TG |
451 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
452 | if (nlh == NULL) | |
26932566 | 453 | return -EMSGSIZE; |
11dc1f36 | 454 | |
74685962 TG |
455 | hdr = nlmsg_data(nlh); |
456 | hdr->ifi_family = AF_BRIDGE; | |
457 | hdr->__ifi_pad = 0; | |
458 | hdr->ifi_type = dev->type; | |
459 | hdr->ifi_index = dev->ifindex; | |
460 | hdr->ifi_flags = dev_get_flags(dev); | |
461 | hdr->ifi_change = 0; | |
11dc1f36 | 462 | |
2eb812e6 DM |
463 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
464 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || | |
465 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || | |
466 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || | |
467 | (dev->addr_len && | |
468 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || | |
a54acb3a ND |
469 | (dev->ifindex != dev_get_iflink(dev) && |
470 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) | |
2eb812e6 | 471 | goto nla_put_failure; |
25c71c75 | 472 | |
6cbdceeb | 473 | if (event == RTM_NEWLINK && port) { |
f78c6032 | 474 | struct nlattr *nest; |
25c71c75 | 475 | |
f78c6032 | 476 | nest = nla_nest_start(skb, IFLA_PROTINFO); |
25c71c75 | 477 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) |
478 | goto nla_put_failure; | |
479 | nla_nest_end(skb, nest); | |
480 | } | |
481 | ||
b6c02ef5 HB |
482 | if (filter_mask & (RTEXT_FILTER_BRVLAN | |
483 | RTEXT_FILTER_BRVLAN_COMPRESSED | | |
5e312fc0 | 484 | RTEXT_FILTER_MRP | |
e77824d8 HB |
485 | RTEXT_FILTER_CFM_CONFIG | |
486 | RTEXT_FILTER_CFM_STATUS)) { | |
b6c02ef5 HB |
487 | af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); |
488 | if (!af) | |
489 | goto nla_put_failure; | |
490 | } | |
491 | ||
6cbdceeb | 492 | /* Check if the VID information is requested */ |
36cd0ffb RP |
493 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
494 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { | |
2594e906 | 495 | struct net_bridge_vlan_group *vg; |
36cd0ffb | 496 | int err; |
6cbdceeb | 497 | |
e9c953ef NA |
498 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
499 | rcu_read_lock(); | |
77751ee8 | 500 | if (port) |
e9c953ef | 501 | vg = nbp_vlan_group_rcu(port); |
77751ee8 | 502 | else |
e9c953ef | 503 | vg = br_vlan_group_rcu(br); |
6cbdceeb | 504 | |
e9c953ef NA |
505 | if (!vg || !vg->num_vlans) { |
506 | rcu_read_unlock(); | |
6cbdceeb | 507 | goto done; |
e9c953ef | 508 | } |
36cd0ffb | 509 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
77751ee8 | 510 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
36cd0ffb | 511 | else |
77751ee8 | 512 | err = br_fill_ifvlaninfo(skb, vg); |
efa5356b RP |
513 | |
514 | if (port && (port->flags & BR_VLAN_TUNNEL)) | |
515 | err = br_fill_vlan_tunnel_info(skb, vg); | |
e9c953ef | 516 | rcu_read_unlock(); |
36cd0ffb RP |
517 | if (err) |
518 | goto nla_put_failure; | |
36a8e8e2 HV |
519 | } |
520 | ||
521 | if (filter_mask & RTEXT_FILTER_MRP) { | |
36a8e8e2 HV |
522 | int err; |
523 | ||
524 | if (!br_mrp_enabled(br) || port) | |
525 | goto done; | |
526 | ||
36a8e8e2 HV |
527 | rcu_read_lock(); |
528 | err = br_mrp_fill_info(skb, br); | |
529 | rcu_read_unlock(); | |
530 | ||
531 | if (err) | |
532 | goto nla_put_failure; | |
6cbdceeb VY |
533 | } |
534 | ||
e77824d8 | 535 | if (filter_mask & (RTEXT_FILTER_CFM_CONFIG | RTEXT_FILTER_CFM_STATUS)) { |
5e312fc0 HB |
536 | struct nlattr *cfm_nest = NULL; |
537 | int err; | |
538 | ||
539 | if (!br_cfm_created(br) || port) | |
540 | goto done; | |
541 | ||
542 | cfm_nest = nla_nest_start(skb, IFLA_BRIDGE_CFM); | |
543 | if (!cfm_nest) | |
544 | goto nla_put_failure; | |
545 | ||
546 | if (filter_mask & RTEXT_FILTER_CFM_CONFIG) { | |
547 | rcu_read_lock(); | |
548 | err = br_cfm_config_fill_info(skb, br); | |
549 | rcu_read_unlock(); | |
550 | if (err) | |
551 | goto nla_put_failure; | |
552 | } | |
553 | ||
e77824d8 HB |
554 | if (filter_mask & RTEXT_FILTER_CFM_STATUS) { |
555 | rcu_read_lock(); | |
b6d0425b | 556 | err = br_cfm_status_fill_info(skb, br, getlink); |
e77824d8 HB |
557 | rcu_read_unlock(); |
558 | if (err) | |
559 | goto nla_put_failure; | |
560 | } | |
561 | ||
5e312fc0 HB |
562 | nla_nest_end(skb, cfm_nest); |
563 | } | |
564 | ||
6cbdceeb | 565 | done: |
b6c02ef5 HB |
566 | if (af) |
567 | nla_nest_end(skb, af); | |
053c095a JB |
568 | nlmsg_end(skb, nlh); |
569 | return 0; | |
11dc1f36 | 570 | |
74685962 | 571 | nla_put_failure: |
26932566 PM |
572 | nlmsg_cancel(skb, nlh); |
573 | return -EMSGSIZE; | |
11dc1f36 SH |
574 | } |
575 | ||
b6d0425b HB |
576 | void br_info_notify(int event, const struct net_bridge *br, |
577 | const struct net_bridge_port *port, u32 filter) | |
11dc1f36 | 578 | { |
92899063 | 579 | struct net_device *dev; |
11dc1f36 | 580 | struct sk_buff *skb; |
280a306c | 581 | int err = -ENOBUFS; |
92899063 NA |
582 | struct net *net; |
583 | u16 port_no = 0; | |
11dc1f36 | 584 | |
92899063 | 585 | if (WARN_ON(!port && !br)) |
407af329 VY |
586 | return; |
587 | ||
92899063 NA |
588 | if (port) { |
589 | dev = port->dev; | |
590 | br = port->br; | |
591 | port_no = port->port_no; | |
592 | } else { | |
593 | dev = br->dev; | |
594 | } | |
595 | ||
596 | net = dev_net(dev); | |
597 | br_debug(br, "port %u(%s) event %d\n", port_no, dev->name, event); | |
28a16c97 | 598 | |
92899063 | 599 | skb = nlmsg_new(br_nlmsg_size(dev, filter), GFP_ATOMIC); |
280a306c TG |
600 | if (skb == NULL) |
601 | goto errout; | |
602 | ||
b6d0425b | 603 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, dev, false); |
26932566 PM |
604 | if (err < 0) { |
605 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ | |
606 | WARN_ON(err == -EMSGSIZE); | |
607 | kfree_skb(skb); | |
608 | goto errout; | |
609 | } | |
1ce85fe4 PNA |
610 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
611 | return; | |
280a306c | 612 | errout: |
87e823b3 | 613 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
11dc1f36 SH |
614 | } |
615 | ||
b6d0425b HB |
616 | /* Notify listeners of a change in bridge or port information */ |
617 | void br_ifinfo_notify(int event, const struct net_bridge *br, | |
618 | const struct net_bridge_port *port) | |
619 | { | |
620 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; | |
621 | ||
622 | return br_info_notify(event, br, port, filter); | |
623 | } | |
624 | ||
11dc1f36 SH |
625 | /* |
626 | * Dump information about all ports, in response to GETLINK | |
627 | */ | |
e5a55a89 | 628 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
46c264da | 629 | struct net_device *dev, u32 filter_mask, int nlflags) |
11dc1f36 | 630 | { |
1fb1754a | 631 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
e5a55a89 | 632 | |
36cd0ffb | 633 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
36a8e8e2 | 634 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) && |
5e312fc0 | 635 | !(filter_mask & RTEXT_FILTER_MRP) && |
e77824d8 HB |
636 | !(filter_mask & RTEXT_FILTER_CFM_CONFIG) && |
637 | !(filter_mask & RTEXT_FILTER_CFM_STATUS)) | |
1b846f92 | 638 | return 0; |
11dc1f36 | 639 | |
46c264da | 640 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
b6d0425b | 641 | filter_mask, dev, true); |
11dc1f36 SH |
642 | } |
643 | ||
bdced7ef | 644 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
169327d5 PM |
645 | int cmd, struct bridge_vlan_info *vinfo, bool *changed, |
646 | struct netlink_ext_ack *extack) | |
bdced7ef | 647 | { |
f418af63 | 648 | bool curr_change; |
bdced7ef RP |
649 | int err = 0; |
650 | ||
651 | switch (cmd) { | |
652 | case RTM_SETLINK: | |
653 | if (p) { | |
2594e906 NA |
654 | /* if the MASTER flag is set this will act on the global |
655 | * per-VLAN entry as well | |
656 | */ | |
f418af63 | 657 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags, |
169327d5 | 658 | &curr_change, extack); |
bdced7ef | 659 | } else { |
2594e906 | 660 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
f418af63 | 661 | err = br_vlan_add(br, vinfo->vid, vinfo->flags, |
169327d5 | 662 | &curr_change, extack); |
bdced7ef | 663 | } |
f418af63 | 664 | if (curr_change) |
e19b42a1 | 665 | *changed = true; |
bdced7ef RP |
666 | break; |
667 | ||
668 | case RTM_DELLINK: | |
669 | if (p) { | |
e19b42a1 NA |
670 | if (!nbp_vlan_delete(p, vinfo->vid)) |
671 | *changed = true; | |
672 | ||
673 | if ((vinfo->flags & BRIDGE_VLAN_INFO_MASTER) && | |
674 | !br_vlan_delete(p->br, vinfo->vid)) | |
675 | *changed = true; | |
676 | } else if (!br_vlan_delete(br, vinfo->vid)) { | |
677 | *changed = true; | |
bdced7ef RP |
678 | } |
679 | break; | |
680 | } | |
681 | ||
682 | return err; | |
683 | } | |
407af329 | 684 | |
f26b2965 NA |
685 | int br_process_vlan_info(struct net_bridge *br, |
686 | struct net_bridge_port *p, int cmd, | |
687 | struct bridge_vlan_info *vinfo_curr, | |
688 | struct bridge_vlan_info **vinfo_last, | |
689 | bool *changed, | |
690 | struct netlink_ext_ack *extack) | |
efa5356b | 691 | { |
f545923b NA |
692 | int err, rtm_cmd; |
693 | ||
8f4cc940 | 694 | if (!br_vlan_valid_id(vinfo_curr->vid, extack)) |
efa5356b RP |
695 | return -EINVAL; |
696 | ||
f545923b NA |
697 | /* needed for vlan-only NEWVLAN/DELVLAN notifications */ |
698 | rtm_cmd = br_afspec_cmd_to_rtm(cmd); | |
699 | ||
efa5356b | 700 | if (vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { |
8f4cc940 | 701 | if (!br_vlan_valid_range(vinfo_curr, *vinfo_last, extack)) |
efa5356b RP |
702 | return -EINVAL; |
703 | *vinfo_last = vinfo_curr; | |
efa5356b RP |
704 | return 0; |
705 | } | |
706 | ||
707 | if (*vinfo_last) { | |
708 | struct bridge_vlan_info tmp_vinfo; | |
f545923b | 709 | int v, v_change_start = 0; |
efa5356b | 710 | |
8f4cc940 | 711 | if (!br_vlan_valid_range(vinfo_curr, *vinfo_last, extack)) |
efa5356b RP |
712 | return -EINVAL; |
713 | ||
714 | memcpy(&tmp_vinfo, *vinfo_last, | |
715 | sizeof(struct bridge_vlan_info)); | |
716 | for (v = (*vinfo_last)->vid; v <= vinfo_curr->vid; v++) { | |
f545923b NA |
717 | bool curr_change = false; |
718 | ||
efa5356b | 719 | tmp_vinfo.vid = v; |
f545923b | 720 | err = br_vlan_info(br, p, cmd, &tmp_vinfo, &curr_change, |
169327d5 | 721 | extack); |
efa5356b RP |
722 | if (err) |
723 | break; | |
f545923b NA |
724 | if (curr_change) { |
725 | *changed = curr_change; | |
726 | if (!v_change_start) | |
727 | v_change_start = v; | |
728 | } else { | |
729 | /* nothing to notify yet */ | |
730 | if (!v_change_start) | |
731 | continue; | |
732 | br_vlan_notify(br, p, v_change_start, | |
733 | v - 1, rtm_cmd); | |
734 | v_change_start = 0; | |
735 | } | |
7979457b | 736 | cond_resched(); |
efa5356b | 737 | } |
f545923b NA |
738 | /* v_change_start is set only if the last/whole range changed */ |
739 | if (v_change_start) | |
740 | br_vlan_notify(br, p, v_change_start, | |
741 | v - 1, rtm_cmd); | |
742 | ||
efa5356b RP |
743 | *vinfo_last = NULL; |
744 | ||
66c54517 | 745 | return err; |
efa5356b RP |
746 | } |
747 | ||
f545923b NA |
748 | err = br_vlan_info(br, p, cmd, vinfo_curr, changed, extack); |
749 | if (*changed) | |
750 | br_vlan_notify(br, p, vinfo_curr->vid, 0, rtm_cmd); | |
751 | ||
752 | return err; | |
efa5356b RP |
753 | } |
754 | ||
407af329 VY |
755 | static int br_afspec(struct net_bridge *br, |
756 | struct net_bridge_port *p, | |
757 | struct nlattr *af_spec, | |
169327d5 PM |
758 | int cmd, bool *changed, |
759 | struct netlink_ext_ack *extack) | |
407af329 | 760 | { |
efa5356b RP |
761 | struct bridge_vlan_info *vinfo_curr = NULL; |
762 | struct bridge_vlan_info *vinfo_last = NULL; | |
bdced7ef | 763 | struct nlattr *attr; |
efa5356b RP |
764 | struct vtunnel_info tinfo_last = {}; |
765 | struct vtunnel_info tinfo_curr = {}; | |
766 | int err = 0, rem; | |
407af329 | 767 | |
bdced7ef | 768 | nla_for_each_nested(attr, af_spec, rem) { |
efa5356b RP |
769 | err = 0; |
770 | switch (nla_type(attr)) { | |
771 | case IFLA_BRIDGE_VLAN_TUNNEL_INFO: | |
1020ce31 | 772 | if (!p || !(p->flags & BR_VLAN_TUNNEL)) |
bdced7ef | 773 | return -EINVAL; |
efa5356b RP |
774 | err = br_parse_vlan_tunnel_info(attr, &tinfo_curr); |
775 | if (err) | |
776 | return err; | |
777 | err = br_process_vlan_tunnel_info(br, p, cmd, | |
778 | &tinfo_curr, | |
e19b42a1 NA |
779 | &tinfo_last, |
780 | changed); | |
efa5356b RP |
781 | if (err) |
782 | return err; | |
783 | break; | |
784 | case IFLA_BRIDGE_VLAN_INFO: | |
785 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) | |
6623c60d | 786 | return -EINVAL; |
efa5356b RP |
787 | vinfo_curr = nla_data(attr); |
788 | err = br_process_vlan_info(br, p, cmd, vinfo_curr, | |
169327d5 PM |
789 | &vinfo_last, changed, |
790 | extack); | |
efa5356b RP |
791 | if (err) |
792 | return err; | |
793 | break; | |
65369933 HV |
794 | case IFLA_BRIDGE_MRP: |
795 | err = br_mrp_parse(br, p, attr, cmd, extack); | |
796 | if (err) | |
797 | return err; | |
798 | break; | |
2be665c3 HB |
799 | case IFLA_BRIDGE_CFM: |
800 | err = br_cfm_parse(br, p, attr, cmd, extack); | |
801 | if (err) | |
802 | return err; | |
803 | break; | |
bdced7ef | 804 | } |
407af329 VY |
805 | } |
806 | ||
807 | return err; | |
808 | } | |
809 | ||
3ac636b8 | 810 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
25c71c75 | 811 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
812 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
813 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
814 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
a2e01a65 | 815 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
1007dd1a | 816 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
6f705d8c | 817 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
9ba18891 | 818 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
867a5943 | 819 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
355b9f9d | 820 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
786c2077 | 821 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
5d6ae479 | 822 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
6db6f0ea | 823 | [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 }, |
9051247d TK |
824 | [IFLA_BRPORT_MCAST_FLOOD] = { .type = NLA_U8 }, |
825 | [IFLA_BRPORT_BCAST_FLOOD] = { .type = NLA_U8 }, | |
fbec443b | 826 | [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NLA_U8 }, |
5af48b59 | 827 | [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
1a3fbd3f | 828 | [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NLA_U8 }, |
7d850abd | 829 | [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 }, |
2756f68c | 830 | [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 }, |
2dba407f | 831 | [IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT] = { .type = NLA_U32 }, |
25c71c75 | 832 | }; |
833 | ||
834 | /* Change the state of the port and notify spanning tree */ | |
835 | static int br_set_port_state(struct net_bridge_port *p, u8 state) | |
836 | { | |
837 | if (state > BR_STATE_BLOCKING) | |
838 | return -EINVAL; | |
839 | ||
840 | /* if kernel STP is running, don't allow changes */ | |
841 | if (p->br->stp_enabled == BR_KERNEL_STP) | |
842 | return -EBUSY; | |
843 | ||
576eb625 | 844 | /* if device is not up, change is not allowed |
845 | * if link is not present, only allowable state is disabled | |
846 | */ | |
25c71c75 | 847 | if (!netif_running(p->dev) || |
576eb625 | 848 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
25c71c75 | 849 | return -ENETDOWN; |
850 | ||
775dd692 | 851 | br_set_state(p, state); |
25c71c75 | 852 | br_port_state_selection(p->br); |
853 | return 0; | |
854 | } | |
855 | ||
856 | /* Set/clear or port flags based on attribute */ | |
304ae3bf VO |
857 | static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], |
858 | int attrtype, unsigned long mask) | |
25c71c75 | 859 | { |
3922285d | 860 | if (!tb[attrtype]) |
304ae3bf | 861 | return; |
3922285d AS |
862 | |
863 | if (nla_get_u8(tb[attrtype])) | |
304ae3bf | 864 | p->flags |= mask; |
3922285d | 865 | else |
304ae3bf | 866 | p->flags &= ~mask; |
25c71c75 | 867 | } |
868 | ||
869 | /* Process bridge protocol info on port */ | |
078bbb85 VO |
870 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[], |
871 | struct netlink_ext_ack *extack) | |
25c71c75 | 872 | { |
304ae3bf VO |
873 | unsigned long old_flags, changed_mask; |
874 | bool br_vlan_tunnel_old; | |
efa5356b | 875 | int err; |
25c71c75 | 876 | |
304ae3bf VO |
877 | old_flags = p->flags; |
878 | br_vlan_tunnel_old = (old_flags & BR_VLAN_TUNNEL) ? true : false; | |
879 | ||
880 | br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); | |
881 | br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); | |
882 | br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, | |
883 | BR_MULTICAST_FAST_LEAVE); | |
884 | br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); | |
885 | br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); | |
886 | br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); | |
887 | br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); | |
888 | br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, | |
889 | BR_MULTICAST_TO_UNICAST); | |
890 | br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); | |
891 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); | |
892 | br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); | |
893 | br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); | |
894 | br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_SUPPRESS, BR_NEIGH_SUPPRESS); | |
895 | br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED); | |
896 | ||
897 | changed_mask = old_flags ^ p->flags; | |
898 | ||
078bbb85 | 899 | err = br_switchdev_set_port_flag(p, p->flags, changed_mask, extack); |
304ae3bf VO |
900 | if (err) { |
901 | p->flags = old_flags; | |
3922285d | 902 | return err; |
304ae3bf | 903 | } |
3922285d | 904 | |
efa5356b RP |
905 | if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL)) |
906 | nbp_vlan_tunnel_info_flush(p); | |
907 | ||
304ae3bf VO |
908 | br_port_flags_change(p, changed_mask); |
909 | ||
25c71c75 | 910 | if (tb[IFLA_BRPORT_COST]) { |
911 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); | |
912 | if (err) | |
913 | return err; | |
914 | } | |
915 | ||
916 | if (tb[IFLA_BRPORT_PRIORITY]) { | |
917 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); | |
918 | if (err) | |
919 | return err; | |
920 | } | |
921 | ||
922 | if (tb[IFLA_BRPORT_STATE]) { | |
923 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); | |
924 | if (err) | |
925 | return err; | |
926 | } | |
e028e4b8 | 927 | |
9b0c6e4d NA |
928 | if (tb[IFLA_BRPORT_FLUSH]) |
929 | br_fdb_delete_by_port(p->br, p, 0, 0); | |
930 | ||
5d6ae479 NA |
931 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
932 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { | |
933 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); | |
934 | ||
935 | err = br_multicast_set_port_router(p, mcast_router); | |
936 | if (err) | |
937 | return err; | |
938 | } | |
2dba407f NA |
939 | |
940 | if (tb[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT]) { | |
941 | u32 hlimit; | |
942 | ||
943 | hlimit = nla_get_u32(tb[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT]); | |
944 | err = br_multicast_eht_set_hosts_limit(p, hlimit); | |
945 | if (err) | |
946 | return err; | |
947 | } | |
5d6ae479 | 948 | #endif |
5af48b59 NA |
949 | |
950 | if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) { | |
951 | u16 fwd_mask = nla_get_u16(tb[IFLA_BRPORT_GROUP_FWD_MASK]); | |
952 | ||
953 | if (fwd_mask & BR_GROUPFWD_MACPAUSE) | |
954 | return -EINVAL; | |
955 | p->group_fwd_mask = fwd_mask; | |
956 | } | |
957 | ||
2756f68c NA |
958 | if (tb[IFLA_BRPORT_BACKUP_PORT]) { |
959 | struct net_device *backup_dev = NULL; | |
960 | u32 backup_ifindex; | |
961 | ||
962 | backup_ifindex = nla_get_u32(tb[IFLA_BRPORT_BACKUP_PORT]); | |
963 | if (backup_ifindex) { | |
964 | backup_dev = __dev_get_by_index(dev_net(p->dev), | |
965 | backup_ifindex); | |
966 | if (!backup_dev) | |
967 | return -ENOENT; | |
968 | } | |
969 | ||
970 | err = nbp_backup_change(p, backup_dev); | |
971 | if (err) | |
972 | return err; | |
973 | } | |
974 | ||
25c71c75 | 975 | return 0; |
976 | } | |
977 | ||
978 | /* Change state and parameters on port. */ | |
2fd527b7 PM |
979 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, |
980 | struct netlink_ext_ack *extack) | |
11dc1f36 | 981 | { |
92899063 NA |
982 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
983 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; | |
984 | struct net_bridge_port *p; | |
74685962 | 985 | struct nlattr *protinfo; |
407af329 | 986 | struct nlattr *afspec; |
e19b42a1 | 987 | bool changed = false; |
41c498b9 | 988 | int err = 0; |
11dc1f36 | 989 | |
c60ee67f H |
990 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
991 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
407af329 | 992 | if (!protinfo && !afspec) |
25c71c75 | 993 | return 0; |
11dc1f36 | 994 | |
ec1e5610 | 995 | p = br_port_get_rtnl(dev); |
407af329 | 996 | /* We want to accept dev as bridge itself if the AF_SPEC |
8e3bff96 | 997 | * is set to see if someone is setting vlan info on the bridge |
407af329 | 998 | */ |
7b99a993 | 999 | if (!p && !afspec) |
b5ed54e9 | 1000 | return -EINVAL; |
11dc1f36 | 1001 | |
407af329 VY |
1002 | if (p && protinfo) { |
1003 | if (protinfo->nla_type & NLA_F_NESTED) { | |
8cb08174 JB |
1004 | err = nla_parse_nested_deprecated(tb, IFLA_BRPORT_MAX, |
1005 | protinfo, | |
1006 | br_port_policy, | |
1007 | NULL); | |
407af329 VY |
1008 | if (err) |
1009 | return err; | |
1010 | ||
1011 | spin_lock_bh(&p->br->lock); | |
078bbb85 | 1012 | err = br_setport(p, tb, extack); |
407af329 VY |
1013 | spin_unlock_bh(&p->br->lock); |
1014 | } else { | |
8e3bff96 | 1015 | /* Binary compatibility with old RSTP */ |
407af329 VY |
1016 | if (nla_len(protinfo) < sizeof(u8)) |
1017 | return -EINVAL; | |
1018 | ||
1019 | spin_lock_bh(&p->br->lock); | |
1020 | err = br_set_port_state(p, nla_get_u8(protinfo)); | |
1021 | spin_unlock_bh(&p->br->lock); | |
1022 | } | |
25c71c75 | 1023 | if (err) |
407af329 | 1024 | goto out; |
e19b42a1 | 1025 | changed = true; |
407af329 | 1026 | } |
11dc1f36 | 1027 | |
92899063 | 1028 | if (afspec) |
169327d5 | 1029 | err = br_afspec(br, p, afspec, RTM_SETLINK, &changed, extack); |
b03b6dd5 | 1030 | |
e19b42a1 | 1031 | if (changed) |
92899063 | 1032 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 | 1033 | out: |
25c71c75 | 1034 | return err; |
11dc1f36 SH |
1035 | } |
1036 | ||
407af329 | 1037 | /* Delete port information */ |
add511b3 | 1038 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
407af329 | 1039 | { |
92899063 | 1040 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
407af329 | 1041 | struct net_bridge_port *p; |
92899063 | 1042 | struct nlattr *afspec; |
e19b42a1 | 1043 | bool changed = false; |
8508025c | 1044 | int err = 0; |
407af329 | 1045 | |
c60ee67f | 1046 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
407af329 VY |
1047 | if (!afspec) |
1048 | return 0; | |
1049 | ||
1050 | p = br_port_get_rtnl(dev); | |
1051 | /* We want to accept dev as bridge itself as well */ | |
1052 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) | |
1053 | return -EINVAL; | |
1054 | ||
169327d5 | 1055 | err = br_afspec(br, p, afspec, RTM_DELLINK, &changed, NULL); |
e19b42a1 | 1056 | if (changed) |
02dba438 RP |
1057 | /* Send RTM_NEWLINK because userspace |
1058 | * expects RTM_NEWLINK for vlan dels | |
1059 | */ | |
92899063 | 1060 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
407af329 VY |
1061 | |
1062 | return err; | |
1063 | } | |
a8b8a889 MS |
1064 | |
1065 | static int br_validate(struct nlattr *tb[], struct nlattr *data[], | |
1066 | struct netlink_ext_ack *extack) | |
bb900b27 | 1067 | { |
1068 | if (tb[IFLA_ADDRESS]) { | |
1069 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
1070 | return -EINVAL; | |
1071 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
1072 | return -EADDRNOTAVAIL; | |
1073 | } | |
1074 | ||
d2d427b3 TM |
1075 | if (!data) |
1076 | return 0; | |
1077 | ||
1078 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
a98c0c47 MD |
1079 | if (data[IFLA_BR_VLAN_PROTOCOL] && |
1080 | !eth_type_vlan(nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]))) | |
1081 | return -EPROTONOSUPPORT; | |
a2858602 TJ |
1082 | |
1083 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
1084 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
1085 | ||
1086 | if (defpvid >= VLAN_VID_MASK) | |
1087 | return -EINVAL; | |
1088 | } | |
d2d427b3 TM |
1089 | #endif |
1090 | ||
bb900b27 | 1091 | return 0; |
1092 | } | |
1093 | ||
3ac636b8 JP |
1094 | static int br_port_slave_changelink(struct net_device *brdev, |
1095 | struct net_device *dev, | |
1096 | struct nlattr *tb[], | |
17dd0ec4 MS |
1097 | struct nlattr *data[], |
1098 | struct netlink_ext_ack *extack) | |
3ac636b8 | 1099 | { |
963ad948 NA |
1100 | struct net_bridge *br = netdev_priv(brdev); |
1101 | int ret; | |
1102 | ||
3ac636b8 JP |
1103 | if (!data) |
1104 | return 0; | |
963ad948 NA |
1105 | |
1106 | spin_lock_bh(&br->lock); | |
078bbb85 | 1107 | ret = br_setport(br_port_get_rtnl(dev), data, extack); |
963ad948 NA |
1108 | spin_unlock_bh(&br->lock); |
1109 | ||
1110 | return ret; | |
3ac636b8 JP |
1111 | } |
1112 | ||
ced8283f JP |
1113 | static int br_port_fill_slave_info(struct sk_buff *skb, |
1114 | const struct net_device *brdev, | |
1115 | const struct net_device *dev) | |
1116 | { | |
1117 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); | |
1118 | } | |
1119 | ||
1120 | static size_t br_port_get_slave_size(const struct net_device *brdev, | |
1121 | const struct net_device *dev) | |
1122 | { | |
1123 | return br_port_info_size(); | |
1124 | } | |
1125 | ||
13323516 JP |
1126 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
1127 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, | |
1128 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, | |
1129 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, | |
af615762 JT |
1130 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
1131 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, | |
1132 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, | |
a7854037 | 1133 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
d2d427b3 | 1134 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
7910228b | 1135 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
111189ab NA |
1136 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
1137 | .len = ETH_ALEN }, | |
a9a6bc70 | 1138 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
89126327 | 1139 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
295141d9 | 1140 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
ba062d7c | 1141 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
431db3c0 | 1142 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
858079fd | 1143 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
79b859f5 | 1144 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
b89e6bab | 1145 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
7e4df51e NA |
1146 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
1147 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, | |
1148 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, | |
1149 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, | |
1150 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, | |
1151 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, | |
93870cc0 NA |
1152 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
1153 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, | |
1154 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, | |
0f963b75 | 1155 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
6dada9b1 | 1156 | [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, |
1080ab95 | 1157 | [IFLA_BR_MCAST_STATS_ENABLED] = { .type = NLA_U8 }, |
5e923585 | 1158 | [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, |
aa2ae3e7 | 1159 | [IFLA_BR_MCAST_MLD_VERSION] = { .type = NLA_U8 }, |
9163a0fc | 1160 | [IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 }, |
8140860c JB |
1161 | [IFLA_BR_MULTI_BOOLOPT] = |
1162 | NLA_POLICY_EXACT_LEN(sizeof(struct br_boolopt_multi)), | |
13323516 JP |
1163 | }; |
1164 | ||
1165 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], | |
ad744b22 MS |
1166 | struct nlattr *data[], |
1167 | struct netlink_ext_ack *extack) | |
13323516 JP |
1168 | { |
1169 | struct net_bridge *br = netdev_priv(brdev); | |
1170 | int err; | |
1171 | ||
1172 | if (!data) | |
1173 | return 0; | |
1174 | ||
1175 | if (data[IFLA_BR_FORWARD_DELAY]) { | |
1176 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); | |
1177 | if (err) | |
1178 | return err; | |
1179 | } | |
1180 | ||
1181 | if (data[IFLA_BR_HELLO_TIME]) { | |
1182 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); | |
1183 | if (err) | |
1184 | return err; | |
1185 | } | |
1186 | ||
1187 | if (data[IFLA_BR_MAX_AGE]) { | |
1188 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); | |
1189 | if (err) | |
1190 | return err; | |
1191 | } | |
1192 | ||
af615762 | 1193 | if (data[IFLA_BR_AGEING_TIME]) { |
c62987bb SF |
1194 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
1195 | if (err) | |
1196 | return err; | |
af615762 JT |
1197 | } |
1198 | ||
1199 | if (data[IFLA_BR_STP_STATE]) { | |
1200 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); | |
1201 | ||
419dba8a HV |
1202 | err = br_stp_set_enabled(br, stp_enabled, extack); |
1203 | if (err) | |
1204 | return err; | |
af615762 JT |
1205 | } |
1206 | ||
1207 | if (data[IFLA_BR_PRIORITY]) { | |
1208 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); | |
1209 | ||
1210 | br_stp_set_bridge_priority(br, priority); | |
1211 | } | |
1212 | ||
a7854037 NA |
1213 | if (data[IFLA_BR_VLAN_FILTERING]) { |
1214 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); | |
1215 | ||
9e781401 | 1216 | err = br_vlan_filter_toggle(br, vlan_filter, extack); |
a7854037 NA |
1217 | if (err) |
1218 | return err; | |
1219 | } | |
1220 | ||
d2d427b3 TM |
1221 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1222 | if (data[IFLA_BR_VLAN_PROTOCOL]) { | |
1223 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); | |
1224 | ||
dcbdf135 | 1225 | err = __br_vlan_set_proto(br, vlan_proto, extack); |
d2d427b3 TM |
1226 | if (err) |
1227 | return err; | |
1228 | } | |
0f963b75 NA |
1229 | |
1230 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { | |
1231 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); | |
1232 | ||
169327d5 | 1233 | err = __br_vlan_set_default_pvid(br, defpvid, extack); |
0f963b75 NA |
1234 | if (err) |
1235 | return err; | |
1236 | } | |
6dada9b1 NA |
1237 | |
1238 | if (data[IFLA_BR_VLAN_STATS_ENABLED]) { | |
1239 | __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); | |
1240 | ||
1241 | err = br_vlan_set_stats(br, vlan_stats); | |
1242 | if (err) | |
1243 | return err; | |
1244 | } | |
9163a0fc NA |
1245 | |
1246 | if (data[IFLA_BR_VLAN_STATS_PER_PORT]) { | |
1247 | __u8 per_port = nla_get_u8(data[IFLA_BR_VLAN_STATS_PER_PORT]); | |
1248 | ||
1249 | err = br_vlan_set_stats_per_port(br, per_port); | |
1250 | if (err) | |
1251 | return err; | |
1252 | } | |
d2d427b3 TM |
1253 | #endif |
1254 | ||
7910228b NA |
1255 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
1256 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); | |
1257 | ||
1258 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) | |
1259 | return -EINVAL; | |
1260 | br->group_fwd_mask = fwd_mask; | |
1261 | } | |
1262 | ||
111189ab NA |
1263 | if (data[IFLA_BR_GROUP_ADDR]) { |
1264 | u8 new_addr[ETH_ALEN]; | |
1265 | ||
1266 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) | |
1267 | return -EINVAL; | |
1268 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); | |
1269 | if (!is_link_local_ether_addr(new_addr)) | |
1270 | return -EINVAL; | |
1271 | if (new_addr[5] == 1 || /* 802.3x Pause address */ | |
1272 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
1273 | new_addr[5] == 3) /* 802.1X PAE address */ | |
1274 | return -EINVAL; | |
1275 | spin_lock_bh(&br->lock); | |
1276 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); | |
1277 | spin_unlock_bh(&br->lock); | |
be3664a0 | 1278 | br_opt_toggle(br, BROPT_GROUP_ADDR_SET, true); |
111189ab NA |
1279 | br_recalculate_fwd_mask(br); |
1280 | } | |
1281 | ||
150217c6 NA |
1282 | if (data[IFLA_BR_FDB_FLUSH]) |
1283 | br_fdb_flush(br); | |
1284 | ||
a9a6bc70 NA |
1285 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1286 | if (data[IFLA_BR_MCAST_ROUTER]) { | |
1287 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); | |
1288 | ||
a97df080 NA |
1289 | err = br_multicast_set_router(&br->multicast_ctx, |
1290 | multicast_router); | |
a9a6bc70 NA |
1291 | if (err) |
1292 | return err; | |
1293 | } | |
89126327 NA |
1294 | |
1295 | if (data[IFLA_BR_MCAST_SNOOPING]) { | |
1296 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); | |
1297 | ||
ae1ea84b FF |
1298 | err = br_multicast_toggle(br, mcast_snooping, extack); |
1299 | if (err) | |
1300 | return err; | |
89126327 | 1301 | } |
295141d9 NA |
1302 | |
1303 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { | |
1304 | u8 val; | |
1305 | ||
1306 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); | |
675779ad | 1307 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
295141d9 | 1308 | } |
ba062d7c NA |
1309 | |
1310 | if (data[IFLA_BR_MCAST_QUERIER]) { | |
1311 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); | |
1312 | ||
62938182 NA |
1313 | err = br_multicast_set_querier(&br->multicast_ctx, |
1314 | mcast_querier); | |
ba062d7c NA |
1315 | if (err) |
1316 | return err; | |
1317 | } | |
431db3c0 | 1318 | |
cf332bca NA |
1319 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) |
1320 | br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n", | |
1321 | RHT_ELASTICITY); | |
858079fd | 1322 | |
19e3a9c9 NA |
1323 | if (data[IFLA_BR_MCAST_HASH_MAX]) |
1324 | br->hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); | |
79b859f5 NA |
1325 | |
1326 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { | |
1327 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); | |
1328 | ||
d3d065c0 | 1329 | br->multicast_ctx.multicast_last_member_count = val; |
79b859f5 | 1330 | } |
b89e6bab NA |
1331 | |
1332 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { | |
1333 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); | |
1334 | ||
d3d065c0 | 1335 | br->multicast_ctx.multicast_startup_query_count = val; |
b89e6bab | 1336 | } |
7e4df51e NA |
1337 | |
1338 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { | |
1339 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); | |
1340 | ||
d3d065c0 | 1341 | br->multicast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val); |
7e4df51e NA |
1342 | } |
1343 | ||
1344 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { | |
1345 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); | |
1346 | ||
d3d065c0 | 1347 | br->multicast_ctx.multicast_membership_interval = clock_t_to_jiffies(val); |
7e4df51e NA |
1348 | } |
1349 | ||
1350 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { | |
1351 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); | |
1352 | ||
d3d065c0 | 1353 | br->multicast_ctx.multicast_querier_interval = clock_t_to_jiffies(val); |
7e4df51e NA |
1354 | } |
1355 | ||
1356 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { | |
1357 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); | |
1358 | ||
d3d065c0 | 1359 | br->multicast_ctx.multicast_query_interval = clock_t_to_jiffies(val); |
7e4df51e NA |
1360 | } |
1361 | ||
1362 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { | |
1363 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); | |
1364 | ||
d3d065c0 | 1365 | br->multicast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val); |
7e4df51e NA |
1366 | } |
1367 | ||
1368 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { | |
1369 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); | |
1370 | ||
d3d065c0 | 1371 | br->multicast_ctx.multicast_startup_query_interval = clock_t_to_jiffies(val); |
7e4df51e | 1372 | } |
1080ab95 NA |
1373 | |
1374 | if (data[IFLA_BR_MCAST_STATS_ENABLED]) { | |
1375 | __u8 mcast_stats; | |
1376 | ||
1377 | mcast_stats = nla_get_u8(data[IFLA_BR_MCAST_STATS_ENABLED]); | |
675779ad | 1378 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!mcast_stats); |
1080ab95 | 1379 | } |
5e923585 NA |
1380 | |
1381 | if (data[IFLA_BR_MCAST_IGMP_VERSION]) { | |
1382 | __u8 igmp_version; | |
1383 | ||
1384 | igmp_version = nla_get_u8(data[IFLA_BR_MCAST_IGMP_VERSION]); | |
df271cd6 NA |
1385 | err = br_multicast_set_igmp_version(&br->multicast_ctx, |
1386 | igmp_version); | |
5e923585 NA |
1387 | if (err) |
1388 | return err; | |
1389 | } | |
aa2ae3e7 NA |
1390 | |
1391 | #if IS_ENABLED(CONFIG_IPV6) | |
1392 | if (data[IFLA_BR_MCAST_MLD_VERSION]) { | |
1393 | __u8 mld_version; | |
1394 | ||
1395 | mld_version = nla_get_u8(data[IFLA_BR_MCAST_MLD_VERSION]); | |
df271cd6 NA |
1396 | err = br_multicast_set_mld_version(&br->multicast_ctx, |
1397 | mld_version); | |
aa2ae3e7 NA |
1398 | if (err) |
1399 | return err; | |
1400 | } | |
1401 | #endif | |
a9a6bc70 | 1402 | #endif |
93870cc0 NA |
1403 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1404 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { | |
1405 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); | |
1406 | ||
8df3510f | 1407 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
93870cc0 NA |
1408 | } |
1409 | ||
1410 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { | |
1411 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); | |
1412 | ||
8df3510f | 1413 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
93870cc0 NA |
1414 | } |
1415 | ||
1416 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { | |
1417 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); | |
1418 | ||
8df3510f | 1419 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
93870cc0 NA |
1420 | } |
1421 | #endif | |
a9a6bc70 | 1422 | |
a428afe8 NA |
1423 | if (data[IFLA_BR_MULTI_BOOLOPT]) { |
1424 | struct br_boolopt_multi *bm; | |
1425 | ||
1426 | bm = nla_data(data[IFLA_BR_MULTI_BOOLOPT]); | |
1427 | err = br_boolopt_multi_toggle(br, bm, extack); | |
1428 | if (err) | |
1429 | return err; | |
1430 | } | |
1431 | ||
13323516 JP |
1432 | return 0; |
1433 | } | |
1434 | ||
b6677449 | 1435 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
7a3f4a18 MS |
1436 | struct nlattr *tb[], struct nlattr *data[], |
1437 | struct netlink_ext_ack *extack) | |
b6677449 IV |
1438 | { |
1439 | struct net_bridge *br = netdev_priv(dev); | |
1440 | int err; | |
1441 | ||
84aeb437 NA |
1442 | err = register_netdevice(dev); |
1443 | if (err) | |
1444 | return err; | |
1445 | ||
b6677449 IV |
1446 | if (tb[IFLA_ADDRESS]) { |
1447 | spin_lock_bh(&br->lock); | |
1448 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); | |
1449 | spin_unlock_bh(&br->lock); | |
1450 | } | |
1451 | ||
ad744b22 | 1452 | err = br_changelink(dev, tb, data, extack); |
5b8d5429 | 1453 | if (err) |
84aeb437 NA |
1454 | br_dev_delete(dev, NULL); |
1455 | ||
5b8d5429 | 1456 | return err; |
b6677449 IV |
1457 | } |
1458 | ||
e5c3ea5c JP |
1459 | static size_t br_get_size(const struct net_device *brdev) |
1460 | { | |
1461 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ | |
1462 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ | |
1463 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ | |
af615762 JT |
1464 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
1465 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ | |
1466 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ | |
a7854037 | 1467 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
d2d427b3 TM |
1468 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
1469 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ | |
0f963b75 | 1470 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
6dada9b1 | 1471 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ |
9163a0fc | 1472 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_PER_PORT */ |
d2d427b3 | 1473 | #endif |
7910228b | 1474 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
5127c81f | 1475 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
7599a220 | 1476 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
8762ba68 | 1477 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
684dd248 | 1478 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
b89e6bab NA |
1479 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
1480 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ | |
12a0faa3 ND |
1481 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
1482 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ | |
1483 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ | |
1484 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ | |
111189ab | 1485 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
a9a6bc70 NA |
1486 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
1487 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ | |
89126327 | 1488 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
295141d9 | 1489 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
ba062d7c | 1490 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
1080ab95 | 1491 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_STATS_ENABLED */ |
b89e6bab NA |
1492 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
1493 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ | |
1494 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ | |
1495 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ | |
12a0faa3 ND |
1496 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
1497 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ | |
1498 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ | |
1499 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ | |
1500 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ | |
1501 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ | |
5e923585 | 1502 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_IGMP_VERSION */ |
aa2ae3e7 | 1503 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_MLD_VERSION */ |
c7fa1d9b | 1504 | br_multicast_querier_state_size() + /* IFLA_BR_MCAST_QUERIER_STATE */ |
93870cc0 NA |
1505 | #endif |
1506 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) | |
1507 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ | |
1508 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ | |
1509 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ | |
a9a6bc70 | 1510 | #endif |
a428afe8 | 1511 | nla_total_size(sizeof(struct br_boolopt_multi)) + /* IFLA_BR_MULTI_BOOLOPT */ |
e5c3ea5c JP |
1512 | 0; |
1513 | } | |
1514 | ||
1515 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) | |
1516 | { | |
1517 | struct net_bridge *br = netdev_priv(brdev); | |
1518 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); | |
1519 | u32 hello_time = jiffies_to_clock_t(br->hello_time); | |
1520 | u32 age_time = jiffies_to_clock_t(br->max_age); | |
af615762 JT |
1521 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
1522 | u32 stp_enabled = br->stp_enabled; | |
1523 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; | |
1f51445a | 1524 | u8 vlan_enabled = br_vlan_enabled(br->dev); |
a428afe8 | 1525 | struct br_boolopt_multi bm; |
4917a154 NA |
1526 | u64 clockval; |
1527 | ||
1528 | clockval = br_timer_value(&br->hello_timer); | |
12a0faa3 | 1529 | if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1530 | return -EMSGSIZE; |
1531 | clockval = br_timer_value(&br->tcn_timer); | |
12a0faa3 | 1532 | if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 NA |
1533 | return -EMSGSIZE; |
1534 | clockval = br_timer_value(&br->topology_change_timer); | |
12a0faa3 ND |
1535 | if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, |
1536 | IFLA_BR_PAD)) | |
4917a154 | 1537 | return -EMSGSIZE; |
f7cdee8a | 1538 | clockval = br_timer_value(&br->gc_work.timer); |
12a0faa3 | 1539 | if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) |
4917a154 | 1540 | return -EMSGSIZE; |
e5c3ea5c | 1541 | |
a428afe8 | 1542 | br_boolopt_multi_get(br, &bm); |
e5c3ea5c JP |
1543 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || |
1544 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || | |
af615762 JT |
1545 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
1546 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || | |
1547 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || | |
a7854037 | 1548 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
7910228b | 1549 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
4917a154 NA |
1550 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
1551 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), | |
1552 | &br->bridge_id) || | |
1553 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), | |
1554 | &br->designated_root) || | |
684dd248 | 1555 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
ed416309 NA |
1556 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
1557 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || | |
1558 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
d76bd14e | 1559 | br->topology_change_detected) || |
a428afe8 NA |
1560 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) || |
1561 | nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm)) | |
e5c3ea5c JP |
1562 | return -EMSGSIZE; |
1563 | ||
d2d427b3 | 1564 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
0f963b75 | 1565 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
6dada9b1 | 1566 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || |
ae75767e | 1567 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, |
9163a0fc NA |
1568 | br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) || |
1569 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT, | |
600bea7d | 1570 | br_opt_get(br, BROPT_VLAN_STATS_PER_PORT))) |
d2d427b3 TM |
1571 | return -EMSGSIZE; |
1572 | #endif | |
a9a6bc70 | 1573 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
d3d065c0 NA |
1574 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, |
1575 | br->multicast_ctx.multicast_router) || | |
13cefad2 NA |
1576 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, |
1577 | br_opt_get(br, BROPT_MULTICAST_ENABLED)) || | |
295141d9 | 1578 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, |
675779ad NA |
1579 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)) || |
1580 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, | |
62938182 | 1581 | br->multicast_ctx.multicast_querier) || |
1080ab95 | 1582 | nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED, |
675779ad | 1583 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)) || |
cf332bca | 1584 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) || |
79b859f5 NA |
1585 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
1586 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
d3d065c0 | 1587 | br->multicast_ctx.multicast_last_member_count) || |
b89e6bab | 1588 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, |
d3d065c0 | 1589 | br->multicast_ctx.multicast_startup_query_count) || |
5e923585 | 1590 | nla_put_u8(skb, IFLA_BR_MCAST_IGMP_VERSION, |
c7fa1d9b NA |
1591 | br->multicast_ctx.multicast_igmp_version) || |
1592 | br_multicast_dump_querier_state(skb, &br->multicast_ctx, | |
1593 | IFLA_BR_MCAST_QUERIER_STATE)) | |
a9a6bc70 | 1594 | return -EMSGSIZE; |
aa2ae3e7 NA |
1595 | #if IS_ENABLED(CONFIG_IPV6) |
1596 | if (nla_put_u8(skb, IFLA_BR_MCAST_MLD_VERSION, | |
d3d065c0 | 1597 | br->multicast_ctx.multicast_mld_version)) |
aa2ae3e7 NA |
1598 | return -EMSGSIZE; |
1599 | #endif | |
d3d065c0 | 1600 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_last_member_interval); |
12a0faa3 ND |
1601 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, |
1602 | IFLA_BR_PAD)) | |
7e4df51e | 1603 | return -EMSGSIZE; |
d3d065c0 | 1604 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_membership_interval); |
12a0faa3 ND |
1605 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, |
1606 | IFLA_BR_PAD)) | |
7e4df51e | 1607 | return -EMSGSIZE; |
d3d065c0 | 1608 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_querier_interval); |
12a0faa3 ND |
1609 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, |
1610 | IFLA_BR_PAD)) | |
7e4df51e | 1611 | return -EMSGSIZE; |
d3d065c0 | 1612 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_query_interval); |
12a0faa3 ND |
1613 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, |
1614 | IFLA_BR_PAD)) | |
7e4df51e | 1615 | return -EMSGSIZE; |
d3d065c0 | 1616 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_query_response_interval); |
12a0faa3 ND |
1617 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, |
1618 | IFLA_BR_PAD)) | |
7e4df51e | 1619 | return -EMSGSIZE; |
d3d065c0 | 1620 | clockval = jiffies_to_clock_t(br->multicast_ctx.multicast_startup_query_interval); |
12a0faa3 ND |
1621 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, |
1622 | IFLA_BR_PAD)) | |
7e4df51e | 1623 | return -EMSGSIZE; |
a9a6bc70 | 1624 | #endif |
93870cc0 NA |
1625 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
1626 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, | |
8df3510f | 1627 | br_opt_get(br, BROPT_NF_CALL_IPTABLES) ? 1 : 0) || |
93870cc0 | 1628 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, |
8df3510f | 1629 | br_opt_get(br, BROPT_NF_CALL_IP6TABLES) ? 1 : 0) || |
93870cc0 | 1630 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, |
8df3510f | 1631 | br_opt_get(br, BROPT_NF_CALL_ARPTABLES) ? 1 : 0)) |
93870cc0 NA |
1632 | return -EMSGSIZE; |
1633 | #endif | |
a9a6bc70 | 1634 | |
e5c3ea5c JP |
1635 | return 0; |
1636 | } | |
1637 | ||
d5ff8c41 | 1638 | static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) |
a60c0903 | 1639 | { |
d5ff8c41 | 1640 | struct net_bridge_port *p = NULL; |
a60c0903 NA |
1641 | struct net_bridge_vlan_group *vg; |
1642 | struct net_bridge_vlan *v; | |
d5ff8c41 | 1643 | struct net_bridge *br; |
a60c0903 NA |
1644 | int numvls = 0; |
1645 | ||
d5ff8c41 NA |
1646 | switch (attr) { |
1647 | case IFLA_STATS_LINK_XSTATS: | |
1648 | br = netdev_priv(dev); | |
1649 | vg = br_vlan_group(br); | |
1650 | break; | |
1651 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
1652 | p = br_port_get_rtnl(dev); | |
1653 | if (!p) | |
1654 | return 0; | |
d5ff8c41 NA |
1655 | vg = nbp_vlan_group(p); |
1656 | break; | |
1657 | default: | |
1658 | return 0; | |
1659 | } | |
1660 | ||
1080ab95 NA |
1661 | if (vg) { |
1662 | /* we need to count all, even placeholder entries */ | |
1663 | list_for_each_entry(v, &vg->vlan_list, vlist) | |
1664 | numvls++; | |
1665 | } | |
a60c0903 | 1666 | |
a60c0903 | 1667 | return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + |
1080ab95 | 1668 | nla_total_size(sizeof(struct br_mcast_stats)) + |
a60c0903 NA |
1669 | nla_total_size(0); |
1670 | } | |
1671 | ||
d5ff8c41 NA |
1672 | static int br_fill_linkxstats(struct sk_buff *skb, |
1673 | const struct net_device *dev, | |
1674 | int *prividx, int attr) | |
80e73cc5 | 1675 | { |
d5ff8c41 NA |
1676 | struct nlattr *nla __maybe_unused; |
1677 | struct net_bridge_port *p = NULL; | |
1678 | struct net_bridge_vlan_group *vg; | |
1679 | struct net_bridge_vlan *v; | |
1680 | struct net_bridge *br; | |
1681 | struct nlattr *nest; | |
1682 | int vl_idx = 0; | |
80e73cc5 NA |
1683 | |
1684 | switch (attr) { | |
1685 | case IFLA_STATS_LINK_XSTATS: | |
d5ff8c41 NA |
1686 | br = netdev_priv(dev); |
1687 | vg = br_vlan_group(br); | |
80e73cc5 NA |
1688 | break; |
1689 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
d5ff8c41 NA |
1690 | p = br_port_get_rtnl(dev); |
1691 | if (!p) | |
1692 | return 0; | |
1693 | br = p->br; | |
1694 | vg = nbp_vlan_group(p); | |
80e73cc5 | 1695 | break; |
d5ff8c41 NA |
1696 | default: |
1697 | return -EINVAL; | |
80e73cc5 NA |
1698 | } |
1699 | ||
ae0be8de | 1700 | nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BRIDGE); |
a60c0903 NA |
1701 | if (!nest) |
1702 | return -EMSGSIZE; | |
a60c0903 | 1703 | |
1080ab95 | 1704 | if (vg) { |
72f4af4e NA |
1705 | u16 pvid; |
1706 | ||
1707 | pvid = br_get_pvid(vg); | |
1080ab95 NA |
1708 | list_for_each_entry(v, &vg->vlan_list, vlist) { |
1709 | struct bridge_vlan_xstats vxi; | |
281cc284 | 1710 | struct pcpu_sw_netstats stats; |
1080ab95 NA |
1711 | |
1712 | if (++vl_idx < *prividx) | |
1713 | continue; | |
1714 | memset(&vxi, 0, sizeof(vxi)); | |
1715 | vxi.vid = v->vid; | |
61ba1a2d | 1716 | vxi.flags = v->flags; |
72f4af4e NA |
1717 | if (v->vid == pvid) |
1718 | vxi.flags |= BRIDGE_VLAN_INFO_PVID; | |
1080ab95 NA |
1719 | br_vlan_get_stats(v, &stats); |
1720 | vxi.rx_bytes = stats.rx_bytes; | |
1721 | vxi.rx_packets = stats.rx_packets; | |
1722 | vxi.tx_bytes = stats.tx_bytes; | |
1723 | vxi.tx_packets = stats.tx_packets; | |
1724 | ||
1725 | if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) | |
1726 | goto nla_put_failure; | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
1731 | if (++vl_idx >= *prividx) { | |
1732 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_MCAST, | |
1733 | sizeof(struct br_mcast_stats), | |
1734 | BRIDGE_XSTATS_PAD); | |
1735 | if (!nla) | |
a60c0903 | 1736 | goto nla_put_failure; |
d5ff8c41 | 1737 | br_multicast_get_stats(br, p, nla_data(nla)); |
a60c0903 | 1738 | } |
1080ab95 | 1739 | #endif |
de179966 VD |
1740 | |
1741 | if (p) { | |
1742 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_STP, | |
1743 | sizeof(p->stp_xstats), | |
1744 | BRIDGE_XSTATS_PAD); | |
1745 | if (!nla) | |
1746 | goto nla_put_failure; | |
1747 | ||
1748 | spin_lock_bh(&br->lock); | |
1749 | memcpy(nla_data(nla), &p->stp_xstats, sizeof(p->stp_xstats)); | |
1750 | spin_unlock_bh(&br->lock); | |
1751 | } | |
1752 | ||
a60c0903 NA |
1753 | nla_nest_end(skb, nest); |
1754 | *prividx = 0; | |
1080ab95 | 1755 | |
a60c0903 NA |
1756 | return 0; |
1757 | ||
1758 | nla_put_failure: | |
1759 | nla_nest_end(skb, nest); | |
1760 | *prividx = vl_idx; | |
1761 | ||
1762 | return -EMSGSIZE; | |
1763 | } | |
fed0a159 | 1764 | |
207895fd | 1765 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
6cbdceeb | 1766 | .family = AF_BRIDGE, |
b1974ed0 | 1767 | .get_link_af_size = br_get_link_af_size_filtered, |
6cbdceeb VY |
1768 | }; |
1769 | ||
149ddd83 | 1770 | struct rtnl_link_ops br_link_ops __read_mostly = { |
ced8283f JP |
1771 | .kind = "bridge", |
1772 | .priv_size = sizeof(struct net_bridge), | |
1773 | .setup = br_dev_setup, | |
eb4cb851 | 1774 | .maxtype = IFLA_BR_MAX, |
13323516 | 1775 | .policy = br_policy, |
ced8283f JP |
1776 | .validate = br_validate, |
1777 | .newlink = br_dev_newlink, | |
13323516 | 1778 | .changelink = br_changelink, |
ced8283f | 1779 | .dellink = br_dev_delete, |
e5c3ea5c JP |
1780 | .get_size = br_get_size, |
1781 | .fill_info = br_fill_info, | |
a60c0903 NA |
1782 | .fill_linkxstats = br_fill_linkxstats, |
1783 | .get_linkxstats_size = br_get_linkxstats_size, | |
3ac636b8 JP |
1784 | |
1785 | .slave_maxtype = IFLA_BRPORT_MAX, | |
1786 | .slave_policy = br_port_policy, | |
1787 | .slave_changelink = br_port_slave_changelink, | |
ced8283f JP |
1788 | .get_slave_size = br_port_get_slave_size, |
1789 | .fill_slave_info = br_port_fill_slave_info, | |
bb900b27 | 1790 | }; |
11dc1f36 | 1791 | |
32fe21c0 | 1792 | int __init br_netlink_init(void) |
11dc1f36 | 1793 | { |
3ec8e9f0 VY |
1794 | int err; |
1795 | ||
1796 | br_mdb_init(); | |
8dcea187 | 1797 | br_vlan_rtnl_init(); |
3678a9d8 | 1798 | rtnl_af_register(&br_af_ops); |
3ec8e9f0 | 1799 | |
6cbdceeb VY |
1800 | err = rtnl_link_register(&br_link_ops); |
1801 | if (err) | |
1802 | goto out_af; | |
1803 | ||
3ec8e9f0 | 1804 | return 0; |
6cbdceeb VY |
1805 | |
1806 | out_af: | |
1807 | rtnl_af_unregister(&br_af_ops); | |
3ec8e9f0 VY |
1808 | br_mdb_uninit(); |
1809 | return err; | |
11dc1f36 SH |
1810 | } |
1811 | ||
34666d46 | 1812 | void br_netlink_fini(void) |
11dc1f36 | 1813 | { |
3ec8e9f0 | 1814 | br_mdb_uninit(); |
8dcea187 | 1815 | br_vlan_rtnl_uninit(); |
6cbdceeb | 1816 | rtnl_af_unregister(&br_af_ops); |
bb900b27 | 1817 | rtnl_link_unregister(&br_link_ops); |
11dc1f36 | 1818 | } |