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>
7 #include <net/ip_tunnels.h>
9 #include "br_private.h"
10 #include "br_private_tunnel.h"
12 static bool __vlan_tun_put(struct sk_buff *skb, const struct net_bridge_vlan *v)
14 __be32 tid = tunnel_id_to_key32(v->tinfo.tunnel_id);
17 if (!v->tinfo.tunnel_dst)
20 nest = nla_nest_start(skb, BRIDGE_VLANDB_ENTRY_TUNNEL_INFO);
23 if (nla_put_u32(skb, BRIDGE_VLANDB_TINFO_ID, be32_to_cpu(tid))) {
24 nla_nest_cancel(skb, nest);
27 nla_nest_end(skb, nest);
32 static bool __vlan_tun_can_enter_range(const struct net_bridge_vlan *v_curr,
33 const struct net_bridge_vlan *range_end)
35 return (!v_curr->tinfo.tunnel_dst && !range_end->tinfo.tunnel_dst) ||
36 vlan_tunid_inrange(v_curr, range_end);
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)
43 u8 range_mc_rtr = br_vlan_multicast_router(range_end);
44 u8 curr_mc_rtr = br_vlan_multicast_router(v_curr);
46 return v_curr->state == range_end->state &&
47 __vlan_tun_can_enter_range(v_curr, range_end) &&
48 curr_mc_rtr == range_mc_rtr;
51 bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v)
53 if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_STATE, br_vlan_get_state(v)) ||
54 !__vlan_tun_put(skb, v))
57 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
58 if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_MCAST_ROUTER,
59 br_vlan_multicast_router(v)))
66 size_t br_vlan_opts_nl_size(void)
68 return nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_STATE */
69 + nla_total_size(0) /* BRIDGE_VLANDB_ENTRY_TUNNEL_INFO */
70 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_TINFO_ID */
71 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
72 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_MCAST_ROUTER */
77 static int br_vlan_modify_state(struct net_bridge_vlan_group *vg,
78 struct net_bridge_vlan *v,
81 struct netlink_ext_ack *extack)
83 struct net_bridge *br;
87 if (state > BR_STATE_BLOCKING) {
88 NL_SET_ERR_MSG_MOD(extack, "Invalid vlan state");
92 if (br_vlan_is_brentry(v))
97 if (br->stp_enabled == BR_KERNEL_STP) {
98 NL_SET_ERR_MSG_MOD(extack, "Can't modify vlan state when using kernel STP");
102 if (br_opt_get(br, BROPT_MST_ENABLED)) {
103 NL_SET_ERR_MSG_MOD(extack, "Can't modify vlan state directly when MST is enabled");
107 if (v->state == state)
110 if (v->vid == br_get_pvid(vg))
111 br_vlan_set_pvid_state(vg, state);
113 br_vlan_set_state(v, state);
119 static const struct nla_policy br_vlandb_tinfo_pol[BRIDGE_VLANDB_TINFO_MAX + 1] = {
120 [BRIDGE_VLANDB_TINFO_ID] = { .type = NLA_U32 },
121 [BRIDGE_VLANDB_TINFO_CMD] = { .type = NLA_U32 },
124 static int br_vlan_modify_tunnel(const struct net_bridge_port *p,
125 struct net_bridge_vlan *v,
128 struct netlink_ext_ack *extack)
130 struct nlattr *tun_tb[BRIDGE_VLANDB_TINFO_MAX + 1], *attr;
131 struct bridge_vlan_info *vinfo;
136 NL_SET_ERR_MSG_MOD(extack, "Can't modify tunnel mapping of non-port vlans");
139 if (!(p->flags & BR_VLAN_TUNNEL)) {
140 NL_SET_ERR_MSG_MOD(extack, "Port doesn't have tunnel flag set");
144 attr = tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO];
145 err = nla_parse_nested(tun_tb, BRIDGE_VLANDB_TINFO_MAX, attr,
146 br_vlandb_tinfo_pol, extack);
150 if (!tun_tb[BRIDGE_VLANDB_TINFO_CMD]) {
151 NL_SET_ERR_MSG_MOD(extack, "Missing tunnel command attribute");
154 cmd = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_CMD]);
157 if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) {
158 NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute");
161 /* when working on vlan ranges this is the starting tunnel id */
162 tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]);
163 /* vlan info attr is guaranteed by br_vlan_rtm_process_one */
164 vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]);
165 /* tunnel ids are mapped to each vlan in increasing order,
166 * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the
167 * current vlan, so we compute: tun_id + v - vinfo->vid
169 tun_id += v->vid - vinfo->vid;
174 NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel command");
178 return br_vlan_tunnel_info(p, cmd, v->vid, tun_id, changed);
181 static int br_vlan_process_one_opts(const struct net_bridge *br,
182 const struct net_bridge_port *p,
183 struct net_bridge_vlan_group *vg,
184 struct net_bridge_vlan *v,
187 struct netlink_ext_ack *extack)
192 if (tb[BRIDGE_VLANDB_ENTRY_STATE]) {
193 u8 state = nla_get_u8(tb[BRIDGE_VLANDB_ENTRY_STATE]);
195 err = br_vlan_modify_state(vg, v, state, changed, extack);
199 if (tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO]) {
200 err = br_vlan_modify_tunnel(p, v, tb, changed, extack);
205 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
206 if (tb[BRIDGE_VLANDB_ENTRY_MCAST_ROUTER]) {
209 val = nla_get_u8(tb[BRIDGE_VLANDB_ENTRY_MCAST_ROUTER]);
210 err = br_multicast_set_vlan_router(v, val);
220 int br_vlan_process_options(const struct net_bridge *br,
221 const struct net_bridge_port *p,
222 struct net_bridge_vlan *range_start,
223 struct net_bridge_vlan *range_end,
225 struct netlink_ext_ack *extack)
227 struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL;
228 struct net_bridge_vlan_group *vg;
233 vg = nbp_vlan_group(p);
235 vg = br_vlan_group(br);
237 if (!range_start || !br_vlan_should_use(range_start)) {
238 NL_SET_ERR_MSG_MOD(extack, "Vlan range start doesn't exist, can't process options");
241 if (!range_end || !br_vlan_should_use(range_end)) {
242 NL_SET_ERR_MSG_MOD(extack, "Vlan range end doesn't exist, can't process options");
246 pvid = br_get_pvid(vg);
247 for (vid = range_start->vid; vid <= range_end->vid; vid++) {
248 bool changed = false;
250 v = br_vlan_find(vg, vid);
251 if (!v || !br_vlan_should_use(v)) {
252 NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process options");
257 err = br_vlan_process_one_opts(br, p, vg, v, tb, &changed,
263 /* vlan options changed, check for range */
270 if (v->vid == pvid ||
271 !br_vlan_can_enter_range(v, curr_end)) {
272 br_vlan_notify(br, p, curr_start->vid,
273 curr_end->vid, RTM_NEWVLAN);
278 /* nothing changed and nothing to notify yet */
282 br_vlan_notify(br, p, curr_start->vid, curr_end->vid,
289 br_vlan_notify(br, p, curr_start->vid, curr_end->vid,
295 bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr,
296 const struct net_bridge_vlan *r_end)
298 return v_curr->vid - r_end->vid == 1 &&
299 v_curr->msti == r_end->msti &&
300 ((v_curr->priv_flags ^ r_end->priv_flags) &
301 BR_VLFLAG_GLOBAL_MCAST_ENABLED) == 0 &&
302 br_multicast_ctx_options_equal(&v_curr->br_mcast_ctx,
303 &r_end->br_mcast_ctx);
306 bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
307 const struct net_bridge_vlan *v_opts)
309 struct nlattr *nest2 __maybe_unused;
310 u64 clockval __maybe_unused;
313 nest = nla_nest_start(skb, BRIDGE_VLANDB_GLOBAL_OPTIONS);
317 if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_ID, vid))
320 if (vid_range && vid < vid_range &&
321 nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_RANGE, vid_range))
324 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
325 if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING,
326 !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) ||
327 nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION,
328 v_opts->br_mcast_ctx.multicast_igmp_version) ||
329 nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
330 v_opts->br_mcast_ctx.multicast_last_member_count) ||
331 nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
332 v_opts->br_mcast_ctx.multicast_startup_query_count) ||
333 nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER,
334 v_opts->br_mcast_ctx.multicast_querier) ||
335 br_multicast_dump_querier_state(skb, &v_opts->br_mcast_ctx,
336 BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE))
339 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval);
340 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
341 clockval, BRIDGE_VLANDB_GOPTS_PAD))
343 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_membership_interval);
344 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
345 clockval, BRIDGE_VLANDB_GOPTS_PAD))
347 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_querier_interval);
348 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
349 clockval, BRIDGE_VLANDB_GOPTS_PAD))
351 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_interval);
352 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL,
353 clockval, BRIDGE_VLANDB_GOPTS_PAD))
355 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_response_interval);
356 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL,
357 clockval, BRIDGE_VLANDB_GOPTS_PAD))
359 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_startup_query_interval);
360 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL,
361 clockval, BRIDGE_VLANDB_GOPTS_PAD))
364 if (br_rports_have_mc_router(&v_opts->br_mcast_ctx)) {
365 nest2 = nla_nest_start(skb,
366 BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS);
371 if (br_rports_fill_info(skb, &v_opts->br_mcast_ctx)) {
373 nla_nest_cancel(skb, nest2);
378 nla_nest_end(skb, nest2);
381 #if IS_ENABLED(CONFIG_IPV6)
382 if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
383 v_opts->br_mcast_ctx.multicast_mld_version))
388 if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_MSTI, v_opts->msti))
391 nla_nest_end(skb, nest);
396 nla_nest_cancel(skb, nest);
400 static size_t rtnl_vlan_global_opts_nlmsg_size(const struct net_bridge_vlan *v)
402 return NLMSG_ALIGN(sizeof(struct br_vlan_msg))
403 + nla_total_size(0) /* BRIDGE_VLANDB_GLOBAL_OPTIONS */
404 + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_ID */
405 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
406 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */
407 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */
408 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */
409 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */
410 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
411 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
412 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL */
413 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL */
414 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL */
415 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL */
416 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL */
417 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER */
418 + br_multicast_querier_state_size() /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE */
419 + nla_total_size(0) /* BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS */
420 + br_rports_size(&v->br_mcast_ctx) /* BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS */
422 + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_MSTI */
423 + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
426 static void br_vlan_global_opts_notify(const struct net_bridge *br,
427 u16 vid, u16 vid_range)
429 struct net_bridge_vlan *v;
430 struct br_vlan_msg *bvm;
431 struct nlmsghdr *nlh;
435 /* right now notifications are done only with rtnl held */
438 /* need to find the vlan due to flags/options */
439 v = br_vlan_find(br_vlan_group(br), vid);
443 skb = nlmsg_new(rtnl_vlan_global_opts_nlmsg_size(v), GFP_KERNEL);
448 nlh = nlmsg_put(skb, 0, 0, RTM_NEWVLAN, sizeof(*bvm), 0);
451 bvm = nlmsg_data(nlh);
452 memset(bvm, 0, sizeof(*bvm));
453 bvm->family = AF_BRIDGE;
454 bvm->ifindex = br->dev->ifindex;
456 if (!br_vlan_global_opts_fill(skb, vid, vid_range, v))
460 rtnl_notify(skb, dev_net(br->dev), 0, RTNLGRP_BRVLAN, NULL, GFP_KERNEL);
464 rtnl_set_sk_err(dev_net(br->dev), RTNLGRP_BRVLAN, err);
468 static int br_vlan_process_global_one_opts(const struct net_bridge *br,
469 struct net_bridge_vlan_group *vg,
470 struct net_bridge_vlan *v,
473 struct netlink_ext_ack *extack)
475 int err __maybe_unused;
478 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
479 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]) {
482 mc_snooping = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]);
483 if (br_multicast_toggle_global_vlan(v, !!mc_snooping))
486 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]) {
489 ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]);
490 err = br_multicast_set_igmp_version(&v->br_mcast_ctx, ver);
495 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) {
498 cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]);
499 v->br_mcast_ctx.multicast_last_member_count = cnt;
502 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]) {
505 cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]);
506 v->br_mcast_ctx.multicast_startup_query_count = cnt;
509 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) {
512 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]);
513 v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
516 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]) {
519 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]);
520 v->br_mcast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
523 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]) {
526 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]);
527 v->br_mcast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
530 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]) {
533 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]);
534 br_multicast_set_query_intvl(&v->br_mcast_ctx, val);
537 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]) {
540 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]);
541 v->br_mcast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val);
544 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]) {
547 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]);
548 br_multicast_set_startup_query_intvl(&v->br_mcast_ctx, val);
551 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]) {
554 val = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]);
555 err = br_multicast_set_querier(&v->br_mcast_ctx, val);
560 #if IS_ENABLED(CONFIG_IPV6)
561 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
564 ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]);
565 err = br_multicast_set_mld_version(&v->br_mcast_ctx, ver);
572 if (tb[BRIDGE_VLANDB_GOPTS_MSTI]) {
575 msti = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_MSTI]);
576 err = br_mst_vlan_set_msti(v, msti);
585 static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = {
586 [BRIDGE_VLANDB_GOPTS_ID] = { .type = NLA_U16 },
587 [BRIDGE_VLANDB_GOPTS_RANGE] = { .type = NLA_U16 },
588 [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 },
589 [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 },
590 [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL] = { .type = NLA_U64 },
591 [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER] = { .type = NLA_U8 },
592 [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
593 [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 },
594 [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
595 [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
596 [BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 },
597 [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL] = { .type = NLA_U64 },
598 [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 },
599 [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 },
600 [BRIDGE_VLANDB_GOPTS_MSTI] = NLA_POLICY_MAX(NLA_U16, VLAN_N_VID - 1),
603 int br_vlan_rtm_process_global_options(struct net_device *dev,
604 const struct nlattr *attr,
606 struct netlink_ext_ack *extack)
608 struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL;
609 struct nlattr *tb[BRIDGE_VLANDB_GOPTS_MAX + 1];
610 struct net_bridge_vlan_group *vg;
611 u16 vid, vid_range = 0;
612 struct net_bridge *br;
615 if (cmd != RTM_NEWVLAN) {
616 NL_SET_ERR_MSG_MOD(extack, "Global vlan options support only set operation");
619 if (!netif_is_bridge_master(dev)) {
620 NL_SET_ERR_MSG_MOD(extack, "Global vlan options can only be set on bridge device");
623 br = netdev_priv(dev);
624 vg = br_vlan_group(br);
628 err = nla_parse_nested(tb, BRIDGE_VLANDB_GOPTS_MAX, attr,
629 br_vlan_db_gpol, extack);
633 if (!tb[BRIDGE_VLANDB_GOPTS_ID]) {
634 NL_SET_ERR_MSG_MOD(extack, "Missing vlan entry id");
637 vid = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_ID]);
638 if (!br_vlan_valid_id(vid, extack))
641 if (tb[BRIDGE_VLANDB_GOPTS_RANGE]) {
642 vid_range = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_RANGE]);
643 if (!br_vlan_valid_id(vid_range, extack))
645 if (vid >= vid_range) {
646 NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id");
653 for (; vid <= vid_range; vid++) {
654 bool changed = false;
656 v = br_vlan_find(vg, vid);
658 NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process global options");
663 err = br_vlan_process_global_one_opts(br, vg, v, tb, &changed,
669 /* vlan options changed, check for range */
676 if (!br_vlan_global_opts_can_enter_range(v, curr_end)) {
677 br_vlan_global_opts_notify(br, curr_start->vid,
683 /* nothing changed and nothing to notify yet */
687 br_vlan_global_opts_notify(br, curr_start->vid,
694 br_vlan_global_opts_notify(br, curr_start->vid, curr_end->vid);