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,
52 const struct net_bridge_port *p)
54 if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_STATE, br_vlan_get_state(v)) ||
55 !__vlan_tun_put(skb, v))
58 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
59 if (nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_MCAST_ROUTER,
60 br_vlan_multicast_router(v)))
62 if (p && !br_multicast_port_ctx_vlan_disabled(&v->port_mcast_ctx) &&
63 (nla_put_u32(skb, BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS,
64 br_multicast_ngroups_get(&v->port_mcast_ctx)) ||
65 nla_put_u32(skb, BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS,
66 br_multicast_ngroups_get_max(&v->port_mcast_ctx))))
73 size_t br_vlan_opts_nl_size(void)
75 return nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_STATE */
76 + nla_total_size(0) /* BRIDGE_VLANDB_ENTRY_TUNNEL_INFO */
77 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_TINFO_ID */
78 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
79 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_MCAST_ROUTER */
80 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_ENTRY_MCAST_N_GROUPS */
81 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS */
86 static int br_vlan_modify_state(struct net_bridge_vlan_group *vg,
87 struct net_bridge_vlan *v,
90 struct netlink_ext_ack *extack)
92 struct net_bridge *br;
96 if (state > BR_STATE_BLOCKING) {
97 NL_SET_ERR_MSG_MOD(extack, "Invalid vlan state");
101 if (br_vlan_is_brentry(v))
106 if (br->stp_enabled == BR_KERNEL_STP) {
107 NL_SET_ERR_MSG_MOD(extack, "Can't modify vlan state when using kernel STP");
111 if (br_opt_get(br, BROPT_MST_ENABLED)) {
112 NL_SET_ERR_MSG_MOD(extack, "Can't modify vlan state directly when MST is enabled");
116 if (v->state == state)
119 if (v->vid == br_get_pvid(vg))
120 br_vlan_set_pvid_state(vg, state);
122 br_vlan_set_state(v, state);
128 static const struct nla_policy br_vlandb_tinfo_pol[BRIDGE_VLANDB_TINFO_MAX + 1] = {
129 [BRIDGE_VLANDB_TINFO_ID] = { .type = NLA_U32 },
130 [BRIDGE_VLANDB_TINFO_CMD] = { .type = NLA_U32 },
133 static int br_vlan_modify_tunnel(const struct net_bridge_port *p,
134 struct net_bridge_vlan *v,
137 struct netlink_ext_ack *extack)
139 struct nlattr *tun_tb[BRIDGE_VLANDB_TINFO_MAX + 1], *attr;
140 struct bridge_vlan_info *vinfo;
145 NL_SET_ERR_MSG_MOD(extack, "Can't modify tunnel mapping of non-port vlans");
148 if (!(p->flags & BR_VLAN_TUNNEL)) {
149 NL_SET_ERR_MSG_MOD(extack, "Port doesn't have tunnel flag set");
153 attr = tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO];
154 err = nla_parse_nested(tun_tb, BRIDGE_VLANDB_TINFO_MAX, attr,
155 br_vlandb_tinfo_pol, extack);
159 if (!tun_tb[BRIDGE_VLANDB_TINFO_CMD]) {
160 NL_SET_ERR_MSG_MOD(extack, "Missing tunnel command attribute");
163 cmd = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_CMD]);
166 if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) {
167 NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute");
170 /* when working on vlan ranges this is the starting tunnel id */
171 tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]);
172 /* vlan info attr is guaranteed by br_vlan_rtm_process_one */
173 vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]);
174 /* tunnel ids are mapped to each vlan in increasing order,
175 * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the
176 * current vlan, so we compute: tun_id + v - vinfo->vid
178 tun_id += v->vid - vinfo->vid;
183 NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel command");
187 return br_vlan_tunnel_info(p, cmd, v->vid, tun_id, changed);
190 static int br_vlan_process_one_opts(const struct net_bridge *br,
191 const struct net_bridge_port *p,
192 struct net_bridge_vlan_group *vg,
193 struct net_bridge_vlan *v,
196 struct netlink_ext_ack *extack)
201 if (tb[BRIDGE_VLANDB_ENTRY_STATE]) {
202 u8 state = nla_get_u8(tb[BRIDGE_VLANDB_ENTRY_STATE]);
204 err = br_vlan_modify_state(vg, v, state, changed, extack);
208 if (tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO]) {
209 err = br_vlan_modify_tunnel(p, v, tb, changed, extack);
214 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
215 if (tb[BRIDGE_VLANDB_ENTRY_MCAST_ROUTER]) {
218 val = nla_get_u8(tb[BRIDGE_VLANDB_ENTRY_MCAST_ROUTER]);
219 err = br_multicast_set_vlan_router(v, val);
224 if (tb[BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS]) {
228 NL_SET_ERR_MSG_MOD(extack, "Can't set mcast_max_groups for non-port vlans");
231 if (br_multicast_port_ctx_vlan_disabled(&v->port_mcast_ctx)) {
232 NL_SET_ERR_MSG_MOD(extack, "Multicast snooping disabled on this VLAN");
236 val = nla_get_u32(tb[BRIDGE_VLANDB_ENTRY_MCAST_MAX_GROUPS]);
237 br_multicast_ngroups_set_max(&v->port_mcast_ctx, val);
245 int br_vlan_process_options(const struct net_bridge *br,
246 const struct net_bridge_port *p,
247 struct net_bridge_vlan *range_start,
248 struct net_bridge_vlan *range_end,
250 struct netlink_ext_ack *extack)
252 struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL;
253 struct net_bridge_vlan_group *vg;
258 vg = nbp_vlan_group(p);
260 vg = br_vlan_group(br);
262 if (!range_start || !br_vlan_should_use(range_start)) {
263 NL_SET_ERR_MSG_MOD(extack, "Vlan range start doesn't exist, can't process options");
266 if (!range_end || !br_vlan_should_use(range_end)) {
267 NL_SET_ERR_MSG_MOD(extack, "Vlan range end doesn't exist, can't process options");
271 pvid = br_get_pvid(vg);
272 for (vid = range_start->vid; vid <= range_end->vid; vid++) {
273 bool changed = false;
275 v = br_vlan_find(vg, vid);
276 if (!v || !br_vlan_should_use(v)) {
277 NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process options");
282 err = br_vlan_process_one_opts(br, p, vg, v, tb, &changed,
288 /* vlan options changed, check for range */
295 if (v->vid == pvid ||
296 !br_vlan_can_enter_range(v, curr_end)) {
297 br_vlan_notify(br, p, curr_start->vid,
298 curr_end->vid, RTM_NEWVLAN);
303 /* nothing changed and nothing to notify yet */
307 br_vlan_notify(br, p, curr_start->vid, curr_end->vid,
314 br_vlan_notify(br, p, curr_start->vid, curr_end->vid,
320 bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr,
321 const struct net_bridge_vlan *r_end)
323 return v_curr->vid - r_end->vid == 1 &&
324 v_curr->msti == r_end->msti &&
325 ((v_curr->priv_flags ^ r_end->priv_flags) &
326 BR_VLFLAG_GLOBAL_MCAST_ENABLED) == 0 &&
327 br_multicast_ctx_options_equal(&v_curr->br_mcast_ctx,
328 &r_end->br_mcast_ctx);
331 bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
332 const struct net_bridge_vlan *v_opts)
334 struct nlattr *nest2 __maybe_unused;
335 u64 clockval __maybe_unused;
338 nest = nla_nest_start(skb, BRIDGE_VLANDB_GLOBAL_OPTIONS);
342 if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_ID, vid))
345 if (vid_range && vid < vid_range &&
346 nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_RANGE, vid_range))
349 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
350 if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING,
351 !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) ||
352 nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION,
353 v_opts->br_mcast_ctx.multicast_igmp_version) ||
354 nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
355 v_opts->br_mcast_ctx.multicast_last_member_count) ||
356 nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
357 v_opts->br_mcast_ctx.multicast_startup_query_count) ||
358 nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER,
359 v_opts->br_mcast_ctx.multicast_querier) ||
360 br_multicast_dump_querier_state(skb, &v_opts->br_mcast_ctx,
361 BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE))
364 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval);
365 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
366 clockval, BRIDGE_VLANDB_GOPTS_PAD))
368 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_membership_interval);
369 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
370 clockval, BRIDGE_VLANDB_GOPTS_PAD))
372 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_querier_interval);
373 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
374 clockval, BRIDGE_VLANDB_GOPTS_PAD))
376 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_interval);
377 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL,
378 clockval, BRIDGE_VLANDB_GOPTS_PAD))
380 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_response_interval);
381 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL,
382 clockval, BRIDGE_VLANDB_GOPTS_PAD))
384 clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_startup_query_interval);
385 if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL,
386 clockval, BRIDGE_VLANDB_GOPTS_PAD))
389 if (br_rports_have_mc_router(&v_opts->br_mcast_ctx)) {
390 nest2 = nla_nest_start(skb,
391 BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS);
396 if (br_rports_fill_info(skb, &v_opts->br_mcast_ctx)) {
398 nla_nest_cancel(skb, nest2);
403 nla_nest_end(skb, nest2);
406 #if IS_ENABLED(CONFIG_IPV6)
407 if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
408 v_opts->br_mcast_ctx.multicast_mld_version))
413 if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_MSTI, v_opts->msti))
416 nla_nest_end(skb, nest);
421 nla_nest_cancel(skb, nest);
425 static size_t rtnl_vlan_global_opts_nlmsg_size(const struct net_bridge_vlan *v)
427 return NLMSG_ALIGN(sizeof(struct br_vlan_msg))
428 + nla_total_size(0) /* BRIDGE_VLANDB_GLOBAL_OPTIONS */
429 + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_ID */
430 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
431 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */
432 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */
433 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */
434 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */
435 + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
436 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
437 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL */
438 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL */
439 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL */
440 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL */
441 + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL */
442 + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER */
443 + br_multicast_querier_state_size() /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE */
444 + nla_total_size(0) /* BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS */
445 + br_rports_size(&v->br_mcast_ctx) /* BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS */
447 + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_MSTI */
448 + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
451 static void br_vlan_global_opts_notify(const struct net_bridge *br,
452 u16 vid, u16 vid_range)
454 struct net_bridge_vlan *v;
455 struct br_vlan_msg *bvm;
456 struct nlmsghdr *nlh;
460 /* right now notifications are done only with rtnl held */
463 /* need to find the vlan due to flags/options */
464 v = br_vlan_find(br_vlan_group(br), vid);
468 skb = nlmsg_new(rtnl_vlan_global_opts_nlmsg_size(v), GFP_KERNEL);
473 nlh = nlmsg_put(skb, 0, 0, RTM_NEWVLAN, sizeof(*bvm), 0);
476 bvm = nlmsg_data(nlh);
477 memset(bvm, 0, sizeof(*bvm));
478 bvm->family = AF_BRIDGE;
479 bvm->ifindex = br->dev->ifindex;
481 if (!br_vlan_global_opts_fill(skb, vid, vid_range, v))
485 rtnl_notify(skb, dev_net(br->dev), 0, RTNLGRP_BRVLAN, NULL, GFP_KERNEL);
489 rtnl_set_sk_err(dev_net(br->dev), RTNLGRP_BRVLAN, err);
493 static int br_vlan_process_global_one_opts(const struct net_bridge *br,
494 struct net_bridge_vlan_group *vg,
495 struct net_bridge_vlan *v,
498 struct netlink_ext_ack *extack)
500 int err __maybe_unused;
503 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
504 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]) {
507 mc_snooping = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]);
508 if (br_multicast_toggle_global_vlan(v, !!mc_snooping))
511 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]) {
514 ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]);
515 err = br_multicast_set_igmp_version(&v->br_mcast_ctx, ver);
520 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) {
523 cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]);
524 v->br_mcast_ctx.multicast_last_member_count = cnt;
527 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]) {
530 cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]);
531 v->br_mcast_ctx.multicast_startup_query_count = cnt;
534 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) {
537 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]);
538 v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
541 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]) {
544 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]);
545 v->br_mcast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
548 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]) {
551 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]);
552 v->br_mcast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
555 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]) {
558 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]);
559 br_multicast_set_query_intvl(&v->br_mcast_ctx, val);
562 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]) {
565 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]);
566 v->br_mcast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val);
569 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]) {
572 val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]);
573 br_multicast_set_startup_query_intvl(&v->br_mcast_ctx, val);
576 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]) {
579 val = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]);
580 err = br_multicast_set_querier(&v->br_mcast_ctx, val);
585 #if IS_ENABLED(CONFIG_IPV6)
586 if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
589 ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]);
590 err = br_multicast_set_mld_version(&v->br_mcast_ctx, ver);
597 if (tb[BRIDGE_VLANDB_GOPTS_MSTI]) {
600 msti = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_MSTI]);
601 err = br_mst_vlan_set_msti(v, msti);
610 static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = {
611 [BRIDGE_VLANDB_GOPTS_ID] = { .type = NLA_U16 },
612 [BRIDGE_VLANDB_GOPTS_RANGE] = { .type = NLA_U16 },
613 [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 },
614 [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 },
615 [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL] = { .type = NLA_U64 },
616 [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER] = { .type = NLA_U8 },
617 [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
618 [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 },
619 [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
620 [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
621 [BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 },
622 [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL] = { .type = NLA_U64 },
623 [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 },
624 [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 },
625 [BRIDGE_VLANDB_GOPTS_MSTI] = NLA_POLICY_MAX(NLA_U16, VLAN_N_VID - 1),
628 int br_vlan_rtm_process_global_options(struct net_device *dev,
629 const struct nlattr *attr,
631 struct netlink_ext_ack *extack)
633 struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL;
634 struct nlattr *tb[BRIDGE_VLANDB_GOPTS_MAX + 1];
635 struct net_bridge_vlan_group *vg;
636 u16 vid, vid_range = 0;
637 struct net_bridge *br;
640 if (cmd != RTM_NEWVLAN) {
641 NL_SET_ERR_MSG_MOD(extack, "Global vlan options support only set operation");
644 if (!netif_is_bridge_master(dev)) {
645 NL_SET_ERR_MSG_MOD(extack, "Global vlan options can only be set on bridge device");
648 br = netdev_priv(dev);
649 vg = br_vlan_group(br);
653 err = nla_parse_nested(tb, BRIDGE_VLANDB_GOPTS_MAX, attr,
654 br_vlan_db_gpol, extack);
658 if (!tb[BRIDGE_VLANDB_GOPTS_ID]) {
659 NL_SET_ERR_MSG_MOD(extack, "Missing vlan entry id");
662 vid = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_ID]);
663 if (!br_vlan_valid_id(vid, extack))
666 if (tb[BRIDGE_VLANDB_GOPTS_RANGE]) {
667 vid_range = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_RANGE]);
668 if (!br_vlan_valid_id(vid_range, extack))
670 if (vid >= vid_range) {
671 NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id");
678 for (; vid <= vid_range; vid++) {
679 bool changed = false;
681 v = br_vlan_find(vg, vid);
683 NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process global options");
688 err = br_vlan_process_global_one_opts(br, vg, v, tb, &changed,
694 /* vlan options changed, check for range */
701 if (!br_vlan_global_opts_can_enter_range(v, curr_end)) {
702 br_vlan_global_opts_notify(br, curr_start->vid,
708 /* nothing changed and nothing to notify yet */
712 br_vlan_global_opts_notify(br, curr_start->vid,
719 br_vlan_global_opts_notify(br, curr_start->vid, curr_end->vid);