Commit | Line | Data |
---|---|---|
7a53e718 NA |
1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | // Copyright (c) 2020, Nikolay Aleksandrov <nikolay@cumulusnetworks.com> | |
3 | #include <linux/kernel.h> | |
4 | #include <linux/netdevice.h> | |
5 | #include <linux/rtnetlink.h> | |
6 | #include <linux/slab.h> | |
188c67dd | 7 | #include <net/ip_tunnels.h> |
7a53e718 NA |
8 | |
9 | #include "br_private.h" | |
188c67dd NA |
10 | #include "br_private_tunnel.h" |
11 | ||
12 | static bool __vlan_tun_put(struct sk_buff *skb, const struct net_bridge_vlan *v) | |
13 | { | |
14 | __be32 tid = tunnel_id_to_key32(v->tinfo.tunnel_id); | |
fa388f29 | 15 | struct nlattr *nest; |
188c67dd NA |
16 | |
17 | if (!v->tinfo.tunnel_dst) | |
18 | return true; | |
19 | ||
fa388f29 NA |
20 | nest = nla_nest_start(skb, BRIDGE_VLANDB_ENTRY_TUNNEL_INFO); |
21 | if (!nest) | |
22 | return false; | |
23 | if (nla_put_u32(skb, BRIDGE_VLANDB_TINFO_ID, be32_to_cpu(tid))) { | |
24 | nla_nest_cancel(skb, nest); | |
25 | return false; | |
26 | } | |
27 | nla_nest_end(skb, nest); | |
28 | ||
29 | return true; | |
188c67dd NA |
30 | } |
31 | ||
32 | static bool __vlan_tun_can_enter_range(const struct net_bridge_vlan *v_curr, | |
33 | const struct net_bridge_vlan *range_end) | |
34 | { | |
35 | return (!v_curr->tinfo.tunnel_dst && !range_end->tinfo.tunnel_dst) || | |
36 | vlan_tunid_inrange(v_curr, range_end); | |
37 | } | |
7a53e718 | 38 | |
99f7c5e0 NA |
39 | /* check if the options' state of v_curr allow it to enter the range */ |
40 | bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, | |
41 | const struct net_bridge_vlan *range_end) | |
7a53e718 | 42 | { |
188c67dd NA |
43 | return v_curr->state == range_end->state && |
44 | __vlan_tun_can_enter_range(v_curr, range_end); | |
7a53e718 NA |
45 | } |
46 | ||
47 | bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v) | |
48 | { | |
a580c76d | 49 | return !nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_STATE, |
188c67dd NA |
50 | br_vlan_get_state(v)) && |
51 | __vlan_tun_put(skb, v); | |
7a53e718 NA |
52 | } |
53 | ||
54 | size_t br_vlan_opts_nl_size(void) | |
55 | { | |
188c67dd | 56 | return nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_STATE */ |
fa388f29 NA |
57 | + nla_total_size(0) /* BRIDGE_VLANDB_ENTRY_TUNNEL_INFO */ |
58 | + nla_total_size(sizeof(u32)); /* BRIDGE_VLANDB_TINFO_ID */ | |
a580c76d NA |
59 | } |
60 | ||
61 | static int br_vlan_modify_state(struct net_bridge_vlan_group *vg, | |
62 | struct net_bridge_vlan *v, | |
63 | u8 state, | |
64 | bool *changed, | |
65 | struct netlink_ext_ack *extack) | |
66 | { | |
67 | struct net_bridge *br; | |
68 | ||
69 | ASSERT_RTNL(); | |
70 | ||
71 | if (state > BR_STATE_BLOCKING) { | |
72 | NL_SET_ERR_MSG_MOD(extack, "Invalid vlan state"); | |
73 | return -EINVAL; | |
74 | } | |
75 | ||
76 | if (br_vlan_is_brentry(v)) | |
77 | br = v->br; | |
78 | else | |
79 | br = v->port->br; | |
80 | ||
81 | if (br->stp_enabled == BR_KERNEL_STP) { | |
82 | NL_SET_ERR_MSG_MOD(extack, "Can't modify vlan state when using kernel STP"); | |
83 | return -EBUSY; | |
84 | } | |
85 | ||
86 | if (v->state == state) | |
87 | return 0; | |
88 | ||
89 | if (v->vid == br_get_pvid(vg)) | |
90 | br_vlan_set_pvid_state(vg, state); | |
91 | ||
92 | br_vlan_set_state(v, state); | |
93 | *changed = true; | |
94 | ||
7a53e718 NA |
95 | return 0; |
96 | } | |
a5d29ae2 | 97 | |
fa388f29 NA |
98 | static const struct nla_policy br_vlandb_tinfo_pol[BRIDGE_VLANDB_TINFO_MAX + 1] = { |
99 | [BRIDGE_VLANDB_TINFO_ID] = { .type = NLA_U32 }, | |
c443758b | 100 | [BRIDGE_VLANDB_TINFO_CMD] = { .type = NLA_U32 }, |
fa388f29 NA |
101 | }; |
102 | ||
569da082 NA |
103 | static int br_vlan_modify_tunnel(const struct net_bridge_port *p, |
104 | struct net_bridge_vlan *v, | |
105 | struct nlattr **tb, | |
106 | bool *changed, | |
107 | struct netlink_ext_ack *extack) | |
108 | { | |
fa388f29 | 109 | struct nlattr *tun_tb[BRIDGE_VLANDB_TINFO_MAX + 1], *attr; |
569da082 | 110 | struct bridge_vlan_info *vinfo; |
c443758b NA |
111 | u32 tun_id = 0; |
112 | int cmd, err; | |
569da082 NA |
113 | |
114 | if (!p) { | |
115 | NL_SET_ERR_MSG_MOD(extack, "Can't modify tunnel mapping of non-port vlans"); | |
116 | return -EINVAL; | |
117 | } | |
118 | if (!(p->flags & BR_VLAN_TUNNEL)) { | |
119 | NL_SET_ERR_MSG_MOD(extack, "Port doesn't have tunnel flag set"); | |
120 | return -EINVAL; | |
121 | } | |
122 | ||
fa388f29 NA |
123 | attr = tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO]; |
124 | err = nla_parse_nested(tun_tb, BRIDGE_VLANDB_TINFO_MAX, attr, | |
125 | br_vlandb_tinfo_pol, extack); | |
126 | if (err) | |
127 | return err; | |
128 | ||
c443758b NA |
129 | if (!tun_tb[BRIDGE_VLANDB_TINFO_CMD]) { |
130 | NL_SET_ERR_MSG_MOD(extack, "Missing tunnel command attribute"); | |
fa388f29 NA |
131 | return -ENOENT; |
132 | } | |
c443758b NA |
133 | cmd = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_CMD]); |
134 | switch (cmd) { | |
135 | case RTM_SETLINK: | |
136 | if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) { | |
137 | NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute"); | |
138 | return -ENOENT; | |
139 | } | |
140 | /* when working on vlan ranges this is the starting tunnel id */ | |
141 | tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]); | |
142 | /* vlan info attr is guaranteed by br_vlan_rtm_process_one */ | |
143 | vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]); | |
144 | /* tunnel ids are mapped to each vlan in increasing order, | |
145 | * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the | |
146 | * current vlan, so we compute: tun_id + v - vinfo->vid | |
147 | */ | |
148 | tun_id += v->vid - vinfo->vid; | |
149 | break; | |
150 | case RTM_DELLINK: | |
151 | break; | |
152 | default: | |
153 | NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel command"); | |
154 | return -EINVAL; | |
155 | } | |
156 | ||
157 | return br_vlan_tunnel_info(p, cmd, v->vid, tun_id, changed); | |
569da082 NA |
158 | } |
159 | ||
a5d29ae2 NA |
160 | static int br_vlan_process_one_opts(const struct net_bridge *br, |
161 | const struct net_bridge_port *p, | |
162 | struct net_bridge_vlan_group *vg, | |
163 | struct net_bridge_vlan *v, | |
164 | struct nlattr **tb, | |
165 | bool *changed, | |
166 | struct netlink_ext_ack *extack) | |
167 | { | |
a580c76d NA |
168 | int err; |
169 | ||
a5d29ae2 | 170 | *changed = false; |
a580c76d NA |
171 | if (tb[BRIDGE_VLANDB_ENTRY_STATE]) { |
172 | u8 state = nla_get_u8(tb[BRIDGE_VLANDB_ENTRY_STATE]); | |
173 | ||
174 | err = br_vlan_modify_state(vg, v, state, changed, extack); | |
175 | if (err) | |
176 | return err; | |
177 | } | |
fa388f29 | 178 | if (tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO]) { |
569da082 NA |
179 | err = br_vlan_modify_tunnel(p, v, tb, changed, extack); |
180 | if (err) | |
181 | return err; | |
182 | } | |
a580c76d | 183 | |
a5d29ae2 NA |
184 | return 0; |
185 | } | |
186 | ||
187 | int br_vlan_process_options(const struct net_bridge *br, | |
188 | const struct net_bridge_port *p, | |
189 | struct net_bridge_vlan *range_start, | |
190 | struct net_bridge_vlan *range_end, | |
191 | struct nlattr **tb, | |
192 | struct netlink_ext_ack *extack) | |
193 | { | |
194 | struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL; | |
195 | struct net_bridge_vlan_group *vg; | |
196 | int vid, err = 0; | |
197 | u16 pvid; | |
198 | ||
199 | if (p) | |
200 | vg = nbp_vlan_group(p); | |
201 | else | |
202 | vg = br_vlan_group(br); | |
203 | ||
204 | if (!range_start || !br_vlan_should_use(range_start)) { | |
205 | NL_SET_ERR_MSG_MOD(extack, "Vlan range start doesn't exist, can't process options"); | |
206 | return -ENOENT; | |
207 | } | |
208 | if (!range_end || !br_vlan_should_use(range_end)) { | |
209 | NL_SET_ERR_MSG_MOD(extack, "Vlan range end doesn't exist, can't process options"); | |
210 | return -ENOENT; | |
211 | } | |
212 | ||
213 | pvid = br_get_pvid(vg); | |
214 | for (vid = range_start->vid; vid <= range_end->vid; vid++) { | |
215 | bool changed = false; | |
216 | ||
217 | v = br_vlan_find(vg, vid); | |
218 | if (!v || !br_vlan_should_use(v)) { | |
219 | NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process options"); | |
220 | err = -ENOENT; | |
221 | break; | |
222 | } | |
223 | ||
224 | err = br_vlan_process_one_opts(br, p, vg, v, tb, &changed, | |
225 | extack); | |
226 | if (err) | |
227 | break; | |
228 | ||
229 | if (changed) { | |
230 | /* vlan options changed, check for range */ | |
231 | if (!curr_start) { | |
232 | curr_start = v; | |
233 | curr_end = v; | |
234 | continue; | |
235 | } | |
236 | ||
237 | if (v->vid == pvid || | |
238 | !br_vlan_can_enter_range(v, curr_end)) { | |
239 | br_vlan_notify(br, p, curr_start->vid, | |
240 | curr_end->vid, RTM_NEWVLAN); | |
241 | curr_start = v; | |
242 | } | |
243 | curr_end = v; | |
244 | } else { | |
245 | /* nothing changed and nothing to notify yet */ | |
246 | if (!curr_start) | |
247 | continue; | |
248 | ||
249 | br_vlan_notify(br, p, curr_start->vid, curr_end->vid, | |
250 | RTM_NEWVLAN); | |
251 | curr_start = NULL; | |
252 | curr_end = NULL; | |
253 | } | |
254 | } | |
255 | if (curr_start) | |
256 | br_vlan_notify(br, p, curr_start->vid, curr_end->vid, | |
257 | RTM_NEWVLAN); | |
258 | ||
259 | return err; | |
260 | } | |
47ecd2db | 261 | |
743a53d9 NA |
262 | bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, |
263 | const struct net_bridge_vlan *r_end) | |
264 | { | |
9dee572c NA |
265 | return v_curr->vid - r_end->vid == 1 && |
266 | ((v_curr->priv_flags ^ r_end->priv_flags) & | |
df271cd6 NA |
267 | BR_VLFLAG_GLOBAL_MCAST_ENABLED) == 0 && |
268 | br_multicast_ctx_options_equal(&v_curr->br_mcast_ctx, | |
269 | &r_end->br_mcast_ctx); | |
743a53d9 NA |
270 | } |
271 | ||
272 | bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, | |
273 | const struct net_bridge_vlan *v_opts) | |
274 | { | |
77f6abab | 275 | u64 clockval __maybe_unused; |
743a53d9 NA |
276 | struct nlattr *nest; |
277 | ||
278 | nest = nla_nest_start(skb, BRIDGE_VLANDB_GLOBAL_OPTIONS); | |
279 | if (!nest) | |
280 | return false; | |
281 | ||
282 | if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_ID, vid)) | |
283 | goto out_err; | |
284 | ||
285 | if (vid_range && vid < vid_range && | |
286 | nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_RANGE, vid_range)) | |
287 | goto out_err; | |
288 | ||
9dee572c NA |
289 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
290 | if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING, | |
df271cd6 NA |
291 | !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) || |
292 | nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION, | |
931ba87d NA |
293 | v_opts->br_mcast_ctx.multicast_igmp_version) || |
294 | nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, | |
50725f6e NA |
295 | v_opts->br_mcast_ctx.multicast_last_member_count) || |
296 | nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT, | |
297 | v_opts->br_mcast_ctx.multicast_startup_query_count)) | |
df271cd6 NA |
298 | goto out_err; |
299 | ||
77f6abab NA |
300 | clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval); |
301 | if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL, | |
302 | clockval, BRIDGE_VLANDB_GOPTS_PAD)) | |
303 | goto out_err; | |
2da0aea2 NA |
304 | clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_membership_interval); |
305 | if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL, | |
306 | clockval, BRIDGE_VLANDB_GOPTS_PAD)) | |
307 | goto out_err; | |
cd9269d4 NA |
308 | clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_querier_interval); |
309 | if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL, | |
310 | clockval, BRIDGE_VLANDB_GOPTS_PAD)) | |
311 | goto out_err; | |
d6c08aba NA |
312 | clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_interval); |
313 | if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL, | |
314 | clockval, BRIDGE_VLANDB_GOPTS_PAD)) | |
315 | goto out_err; | |
77f6abab | 316 | |
df271cd6 NA |
317 | #if IS_ENABLED(CONFIG_IPV6) |
318 | if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION, | |
319 | v_opts->br_mcast_ctx.multicast_mld_version)) | |
9dee572c | 320 | goto out_err; |
df271cd6 | 321 | #endif |
9dee572c NA |
322 | #endif |
323 | ||
743a53d9 NA |
324 | nla_nest_end(skb, nest); |
325 | ||
326 | return true; | |
327 | ||
328 | out_err: | |
329 | nla_nest_cancel(skb, nest); | |
330 | return false; | |
331 | } | |
332 | ||
9aba624d NA |
333 | static size_t rtnl_vlan_global_opts_nlmsg_size(void) |
334 | { | |
335 | return NLMSG_ALIGN(sizeof(struct br_vlan_msg)) | |
336 | + nla_total_size(0) /* BRIDGE_VLANDB_GLOBAL_OPTIONS */ | |
337 | + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_ID */ | |
9dee572c NA |
338 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
339 | + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */ | |
df271cd6 NA |
340 | + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */ |
341 | + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */ | |
931ba87d | 342 | + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */ |
50725f6e | 343 | + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */ |
77f6abab | 344 | + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */ |
2da0aea2 | 345 | + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL */ |
cd9269d4 | 346 | + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL */ |
d6c08aba | 347 | + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL */ |
9dee572c | 348 | #endif |
9aba624d NA |
349 | + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */ |
350 | } | |
351 | ||
352 | static void br_vlan_global_opts_notify(const struct net_bridge *br, | |
353 | u16 vid, u16 vid_range) | |
354 | { | |
355 | struct net_bridge_vlan *v; | |
356 | struct br_vlan_msg *bvm; | |
357 | struct nlmsghdr *nlh; | |
358 | struct sk_buff *skb; | |
359 | int err = -ENOBUFS; | |
360 | ||
361 | /* right now notifications are done only with rtnl held */ | |
362 | ASSERT_RTNL(); | |
363 | ||
364 | skb = nlmsg_new(rtnl_vlan_global_opts_nlmsg_size(), GFP_KERNEL); | |
365 | if (!skb) | |
366 | goto out_err; | |
367 | ||
368 | err = -EMSGSIZE; | |
369 | nlh = nlmsg_put(skb, 0, 0, RTM_NEWVLAN, sizeof(*bvm), 0); | |
370 | if (!nlh) | |
371 | goto out_err; | |
372 | bvm = nlmsg_data(nlh); | |
373 | memset(bvm, 0, sizeof(*bvm)); | |
374 | bvm->family = AF_BRIDGE; | |
375 | bvm->ifindex = br->dev->ifindex; | |
376 | ||
377 | /* need to find the vlan due to flags/options */ | |
378 | v = br_vlan_find(br_vlan_group(br), vid); | |
379 | if (!v) | |
380 | goto out_kfree; | |
381 | ||
382 | if (!br_vlan_global_opts_fill(skb, vid, vid_range, v)) | |
383 | goto out_err; | |
384 | ||
385 | nlmsg_end(skb, nlh); | |
386 | rtnl_notify(skb, dev_net(br->dev), 0, RTNLGRP_BRVLAN, NULL, GFP_KERNEL); | |
387 | return; | |
388 | ||
389 | out_err: | |
390 | rtnl_set_sk_err(dev_net(br->dev), RTNLGRP_BRVLAN, err); | |
391 | out_kfree: | |
392 | kfree_skb(skb); | |
393 | } | |
394 | ||
47ecd2db NA |
395 | static int br_vlan_process_global_one_opts(const struct net_bridge *br, |
396 | struct net_bridge_vlan_group *vg, | |
397 | struct net_bridge_vlan *v, | |
398 | struct nlattr **tb, | |
399 | bool *changed, | |
400 | struct netlink_ext_ack *extack) | |
401 | { | |
df271cd6 NA |
402 | int err __maybe_unused; |
403 | ||
47ecd2db | 404 | *changed = false; |
9dee572c NA |
405 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
406 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]) { | |
407 | u8 mc_snooping; | |
408 | ||
409 | mc_snooping = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]); | |
410 | if (br_multicast_toggle_global_vlan(v, !!mc_snooping)) | |
411 | *changed = true; | |
412 | } | |
df271cd6 NA |
413 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]) { |
414 | u8 ver; | |
415 | ||
416 | ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]); | |
417 | err = br_multicast_set_igmp_version(&v->br_mcast_ctx, ver); | |
418 | if (err) | |
419 | return err; | |
420 | *changed = true; | |
421 | } | |
931ba87d NA |
422 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) { |
423 | u32 cnt; | |
424 | ||
425 | cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]); | |
426 | v->br_mcast_ctx.multicast_last_member_count = cnt; | |
427 | *changed = true; | |
428 | } | |
50725f6e NA |
429 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]) { |
430 | u32 cnt; | |
431 | ||
432 | cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]); | |
433 | v->br_mcast_ctx.multicast_startup_query_count = cnt; | |
434 | *changed = true; | |
435 | } | |
77f6abab NA |
436 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) { |
437 | u64 val; | |
438 | ||
439 | val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]); | |
440 | v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val); | |
441 | *changed = true; | |
442 | } | |
2da0aea2 NA |
443 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]) { |
444 | u64 val; | |
445 | ||
446 | val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]); | |
447 | v->br_mcast_ctx.multicast_membership_interval = clock_t_to_jiffies(val); | |
448 | *changed = true; | |
449 | } | |
cd9269d4 NA |
450 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]) { |
451 | u64 val; | |
452 | ||
453 | val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]); | |
454 | v->br_mcast_ctx.multicast_querier_interval = clock_t_to_jiffies(val); | |
455 | *changed = true; | |
456 | } | |
d6c08aba NA |
457 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]) { |
458 | u64 val; | |
459 | ||
460 | val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]); | |
461 | v->br_mcast_ctx.multicast_query_interval = clock_t_to_jiffies(val); | |
462 | *changed = true; | |
463 | } | |
df271cd6 NA |
464 | #if IS_ENABLED(CONFIG_IPV6) |
465 | if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) { | |
466 | u8 ver; | |
467 | ||
468 | ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]); | |
469 | err = br_multicast_set_mld_version(&v->br_mcast_ctx, ver); | |
470 | if (err) | |
471 | return err; | |
472 | *changed = true; | |
473 | } | |
474 | #endif | |
9dee572c NA |
475 | #endif |
476 | ||
47ecd2db NA |
477 | return 0; |
478 | } | |
479 | ||
480 | static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = { | |
481 | [BRIDGE_VLANDB_GOPTS_ID] = { .type = NLA_U16 }, | |
482 | [BRIDGE_VLANDB_GOPTS_RANGE] = { .type = NLA_U16 }, | |
9dee572c | 483 | [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 }, |
df271cd6 | 484 | [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 }, |
d6c08aba | 485 | [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, |
df271cd6 | 486 | [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, |
931ba87d | 487 | [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
50725f6e | 488 | [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
77f6abab | 489 | [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
2da0aea2 | 490 | [BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, |
cd9269d4 | 491 | [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, |
47ecd2db NA |
492 | }; |
493 | ||
494 | int br_vlan_rtm_process_global_options(struct net_device *dev, | |
495 | const struct nlattr *attr, | |
496 | int cmd, | |
497 | struct netlink_ext_ack *extack) | |
498 | { | |
9aba624d | 499 | struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL; |
47ecd2db NA |
500 | struct nlattr *tb[BRIDGE_VLANDB_GOPTS_MAX + 1]; |
501 | struct net_bridge_vlan_group *vg; | |
47ecd2db NA |
502 | u16 vid, vid_range = 0; |
503 | struct net_bridge *br; | |
504 | int err = 0; | |
505 | ||
506 | if (cmd != RTM_NEWVLAN) { | |
507 | NL_SET_ERR_MSG_MOD(extack, "Global vlan options support only set operation"); | |
508 | return -EINVAL; | |
509 | } | |
510 | if (!netif_is_bridge_master(dev)) { | |
511 | NL_SET_ERR_MSG_MOD(extack, "Global vlan options can only be set on bridge device"); | |
512 | return -EINVAL; | |
513 | } | |
514 | br = netdev_priv(dev); | |
515 | vg = br_vlan_group(br); | |
516 | if (WARN_ON(!vg)) | |
517 | return -ENODEV; | |
518 | ||
519 | err = nla_parse_nested(tb, BRIDGE_VLANDB_GOPTS_MAX, attr, | |
520 | br_vlan_db_gpol, extack); | |
521 | if (err) | |
522 | return err; | |
523 | ||
524 | if (!tb[BRIDGE_VLANDB_GOPTS_ID]) { | |
525 | NL_SET_ERR_MSG_MOD(extack, "Missing vlan entry id"); | |
526 | return -EINVAL; | |
527 | } | |
528 | vid = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_ID]); | |
529 | if (!br_vlan_valid_id(vid, extack)) | |
530 | return -EINVAL; | |
531 | ||
532 | if (tb[BRIDGE_VLANDB_GOPTS_RANGE]) { | |
533 | vid_range = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_RANGE]); | |
534 | if (!br_vlan_valid_id(vid_range, extack)) | |
535 | return -EINVAL; | |
536 | if (vid >= vid_range) { | |
537 | NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); | |
538 | return -EINVAL; | |
539 | } | |
540 | } else { | |
541 | vid_range = vid; | |
542 | } | |
543 | ||
544 | for (; vid <= vid_range; vid++) { | |
545 | bool changed = false; | |
546 | ||
547 | v = br_vlan_find(vg, vid); | |
548 | if (!v) { | |
549 | NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process global options"); | |
550 | err = -ENOENT; | |
551 | break; | |
552 | } | |
553 | ||
554 | err = br_vlan_process_global_one_opts(br, vg, v, tb, &changed, | |
555 | extack); | |
556 | if (err) | |
557 | break; | |
9aba624d NA |
558 | |
559 | if (changed) { | |
560 | /* vlan options changed, check for range */ | |
561 | if (!curr_start) { | |
562 | curr_start = v; | |
563 | curr_end = v; | |
564 | continue; | |
565 | } | |
566 | ||
567 | if (!br_vlan_global_opts_can_enter_range(v, curr_end)) { | |
568 | br_vlan_global_opts_notify(br, curr_start->vid, | |
569 | curr_end->vid); | |
570 | curr_start = v; | |
571 | } | |
572 | curr_end = v; | |
573 | } else { | |
574 | /* nothing changed and nothing to notify yet */ | |
575 | if (!curr_start) | |
576 | continue; | |
577 | ||
578 | br_vlan_global_opts_notify(br, curr_start->vid, | |
579 | curr_end->vid); | |
580 | curr_start = NULL; | |
581 | curr_end = NULL; | |
582 | } | |
47ecd2db | 583 | } |
9aba624d NA |
584 | if (curr_start) |
585 | br_vlan_global_opts_notify(br, curr_start->vid, curr_end->vid); | |
47ecd2db NA |
586 | |
587 | return err; | |
588 | } |