#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <linux/slab.h>
+#include <net/ip_tunnels.h>
#include "br_private.h"
+#include "br_private_tunnel.h"
-/* check if the options between two vlans are equal */
-bool br_vlan_opts_eq(const struct net_bridge_vlan *v1,
- const struct net_bridge_vlan *v2)
+static bool __vlan_tun_put(struct sk_buff *skb, const struct net_bridge_vlan *v)
{
- return v1->state == v2->state;
+ __be32 tid = tunnel_id_to_key32(v->tinfo.tunnel_id);
+ struct nlattr *nest;
+
+ if (!v->tinfo.tunnel_dst)
+ return true;
+
+ nest = nla_nest_start(skb, BRIDGE_VLANDB_ENTRY_TUNNEL_INFO);
+ if (!nest)
+ return false;
+ if (nla_put_u32(skb, BRIDGE_VLANDB_TINFO_ID, be32_to_cpu(tid))) {
+ nla_nest_cancel(skb, nest);
+ return false;
+ }
+ nla_nest_end(skb, nest);
+
+ return true;
+}
+
+static bool __vlan_tun_can_enter_range(const struct net_bridge_vlan *v_curr,
+ const struct net_bridge_vlan *range_end)
+{
+ return (!v_curr->tinfo.tunnel_dst && !range_end->tinfo.tunnel_dst) ||
+ vlan_tunid_inrange(v_curr, range_end);
+}
+
+/* check if the options' state of v_curr allow it to enter the range */
+bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr,
+ const struct net_bridge_vlan *range_end)
+{
+ return v_curr->state == range_end->state &&
+ __vlan_tun_can_enter_range(v_curr, range_end);
}
bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v)
{
return !nla_put_u8(skb, BRIDGE_VLANDB_ENTRY_STATE,
- br_vlan_get_state(v));
+ br_vlan_get_state(v)) &&
+ __vlan_tun_put(skb, v);
}
size_t br_vlan_opts_nl_size(void)
{
- return nla_total_size(sizeof(u8)); /* BRIDGE_VLANDB_ENTRY_STATE */
+ return nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_ENTRY_STATE */
+ + nla_total_size(0) /* BRIDGE_VLANDB_ENTRY_TUNNEL_INFO */
+ + nla_total_size(sizeof(u32)); /* BRIDGE_VLANDB_TINFO_ID */
}
static int br_vlan_modify_state(struct net_bridge_vlan_group *vg,
return 0;
}
+static const struct nla_policy br_vlandb_tinfo_pol[BRIDGE_VLANDB_TINFO_MAX + 1] = {
+ [BRIDGE_VLANDB_TINFO_ID] = { .type = NLA_U32 },
+ [BRIDGE_VLANDB_TINFO_CMD] = { .type = NLA_U32 },
+};
+
+static int br_vlan_modify_tunnel(const struct net_bridge_port *p,
+ struct net_bridge_vlan *v,
+ struct nlattr **tb,
+ bool *changed,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tun_tb[BRIDGE_VLANDB_TINFO_MAX + 1], *attr;
+ struct bridge_vlan_info *vinfo;
+ u32 tun_id = 0;
+ int cmd, err;
+
+ if (!p) {
+ NL_SET_ERR_MSG_MOD(extack, "Can't modify tunnel mapping of non-port vlans");
+ return -EINVAL;
+ }
+ if (!(p->flags & BR_VLAN_TUNNEL)) {
+ NL_SET_ERR_MSG_MOD(extack, "Port doesn't have tunnel flag set");
+ return -EINVAL;
+ }
+
+ attr = tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO];
+ err = nla_parse_nested(tun_tb, BRIDGE_VLANDB_TINFO_MAX, attr,
+ br_vlandb_tinfo_pol, extack);
+ if (err)
+ return err;
+
+ if (!tun_tb[BRIDGE_VLANDB_TINFO_CMD]) {
+ NL_SET_ERR_MSG_MOD(extack, "Missing tunnel command attribute");
+ return -ENOENT;
+ }
+ cmd = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_CMD]);
+ switch (cmd) {
+ case RTM_SETLINK:
+ if (!tun_tb[BRIDGE_VLANDB_TINFO_ID]) {
+ NL_SET_ERR_MSG_MOD(extack, "Missing tunnel id attribute");
+ return -ENOENT;
+ }
+ /* when working on vlan ranges this is the starting tunnel id */
+ tun_id = nla_get_u32(tun_tb[BRIDGE_VLANDB_TINFO_ID]);
+ /* vlan info attr is guaranteed by br_vlan_rtm_process_one */
+ vinfo = nla_data(tb[BRIDGE_VLANDB_ENTRY_INFO]);
+ /* tunnel ids are mapped to each vlan in increasing order,
+ * the starting vlan is in BRIDGE_VLANDB_ENTRY_INFO and v is the
+ * current vlan, so we compute: tun_id + v - vinfo->vid
+ */
+ tun_id += v->vid - vinfo->vid;
+ break;
+ case RTM_DELLINK:
+ break;
+ default:
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel command");
+ return -EINVAL;
+ }
+
+ return br_vlan_tunnel_info(p, cmd, v->vid, tun_id, changed);
+}
+
static int br_vlan_process_one_opts(const struct net_bridge *br,
const struct net_bridge_port *p,
struct net_bridge_vlan_group *vg,
if (err)
return err;
}
+ if (tb[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO]) {
+ err = br_vlan_modify_tunnel(p, v, tb, changed, extack);
+ if (err)
+ return err;
+ }
return 0;
}
return err;
}
+
+bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr,
+ const struct net_bridge_vlan *r_end)
+{
+ return v_curr->vid - r_end->vid == 1 &&
+ ((v_curr->priv_flags ^ r_end->priv_flags) &
+ BR_VLFLAG_GLOBAL_MCAST_ENABLED) == 0 &&
+ br_multicast_ctx_options_equal(&v_curr->br_mcast_ctx,
+ &r_end->br_mcast_ctx);
+}
+
+bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range,
+ const struct net_bridge_vlan *v_opts)
+{
+ struct nlattr *nest2 __maybe_unused;
+ u64 clockval __maybe_unused;
+ struct nlattr *nest;
+
+ nest = nla_nest_start(skb, BRIDGE_VLANDB_GLOBAL_OPTIONS);
+ if (!nest)
+ return false;
+
+ if (nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_ID, vid))
+ goto out_err;
+
+ if (vid_range && vid < vid_range &&
+ nla_put_u16(skb, BRIDGE_VLANDB_GOPTS_RANGE, vid_range))
+ goto out_err;
+
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING,
+ !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) ||
+ nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION,
+ v_opts->br_mcast_ctx.multicast_igmp_version) ||
+ nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
+ v_opts->br_mcast_ctx.multicast_last_member_count) ||
+ nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
+ v_opts->br_mcast_ctx.multicast_startup_query_count) ||
+ nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER,
+ v_opts->br_mcast_ctx.multicast_querier) ||
+ nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_ROUTER,
+ v_opts->br_mcast_ctx.multicast_router) ||
+ br_multicast_dump_querier_state(skb, &v_opts->br_mcast_ctx,
+ BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE))
+ goto out_err;
+
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_last_member_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_membership_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_querier_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_query_response_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+ clockval = jiffies_to_clock_t(v_opts->br_mcast_ctx.multicast_startup_query_interval);
+ if (nla_put_u64_64bit(skb, BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL,
+ clockval, BRIDGE_VLANDB_GOPTS_PAD))
+ goto out_err;
+
+ if (br_rports_have_mc_router(&v_opts->br_mcast_ctx)) {
+ nest2 = nla_nest_start(skb,
+ BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS);
+ if (!nest2)
+ goto out_err;
+
+ rcu_read_lock();
+ if (br_rports_fill_info(skb, &v_opts->br_mcast_ctx)) {
+ rcu_read_unlock();
+ nla_nest_cancel(skb, nest2);
+ goto out_err;
+ }
+ rcu_read_unlock();
+
+ nla_nest_end(skb, nest2);
+ }
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
+ v_opts->br_mcast_ctx.multicast_mld_version))
+ goto out_err;
+#endif
+#endif
+
+ nla_nest_end(skb, nest);
+
+ return true;
+
+out_err:
+ nla_nest_cancel(skb, nest);
+ return false;
+}
+
+static size_t rtnl_vlan_global_opts_nlmsg_size(void)
+{
+ return NLMSG_ALIGN(sizeof(struct br_vlan_msg))
+ + nla_total_size(0) /* BRIDGE_VLANDB_GLOBAL_OPTIONS */
+ + nla_total_size(sizeof(u16)) /* BRIDGE_VLANDB_GOPTS_ID */
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */
+ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */
+ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */
+ + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */
+ + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL */
+ + nla_total_size(sizeof(u64)) /* BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL */
+ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER */
+ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_ROUTER */
+ + br_multicast_querier_state_size() /* BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE */
+#endif
+ + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */
+}
+
+static void br_vlan_global_opts_notify(const struct net_bridge *br,
+ u16 vid, u16 vid_range)
+{
+ struct net_bridge_vlan *v;
+ struct br_vlan_msg *bvm;
+ struct nlmsghdr *nlh;
+ struct sk_buff *skb;
+ int err = -ENOBUFS;
+
+ /* right now notifications are done only with rtnl held */
+ ASSERT_RTNL();
+
+ skb = nlmsg_new(rtnl_vlan_global_opts_nlmsg_size(), GFP_KERNEL);
+ if (!skb)
+ goto out_err;
+
+ err = -EMSGSIZE;
+ nlh = nlmsg_put(skb, 0, 0, RTM_NEWVLAN, sizeof(*bvm), 0);
+ if (!nlh)
+ goto out_err;
+ bvm = nlmsg_data(nlh);
+ memset(bvm, 0, sizeof(*bvm));
+ bvm->family = AF_BRIDGE;
+ bvm->ifindex = br->dev->ifindex;
+
+ /* need to find the vlan due to flags/options */
+ v = br_vlan_find(br_vlan_group(br), vid);
+ if (!v)
+ goto out_kfree;
+
+ if (!br_vlan_global_opts_fill(skb, vid, vid_range, v))
+ goto out_err;
+
+ nlmsg_end(skb, nlh);
+ rtnl_notify(skb, dev_net(br->dev), 0, RTNLGRP_BRVLAN, NULL, GFP_KERNEL);
+ return;
+
+out_err:
+ rtnl_set_sk_err(dev_net(br->dev), RTNLGRP_BRVLAN, err);
+out_kfree:
+ kfree_skb(skb);
+}
+
+static int br_vlan_process_global_one_opts(const struct net_bridge *br,
+ struct net_bridge_vlan_group *vg,
+ struct net_bridge_vlan *v,
+ struct nlattr **tb,
+ bool *changed,
+ struct netlink_ext_ack *extack)
+{
+ int err __maybe_unused;
+
+ *changed = false;
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]) {
+ u8 mc_snooping;
+
+ mc_snooping = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING]);
+ if (br_multicast_toggle_global_vlan(v, !!mc_snooping))
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]) {
+ u8 ver;
+
+ ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION]);
+ err = br_multicast_set_igmp_version(&v->br_mcast_ctx, ver);
+ if (err)
+ return err;
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) {
+ u32 cnt;
+
+ cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]);
+ v->br_mcast_ctx.multicast_last_member_count = cnt;
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]) {
+ u32 cnt;
+
+ cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT]);
+ v->br_mcast_ctx.multicast_startup_query_count = cnt;
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL]);
+ v->br_mcast_ctx.multicast_last_member_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL]);
+ v->br_mcast_ctx.multicast_membership_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL]);
+ v->br_mcast_ctx.multicast_querier_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL]);
+ v->br_mcast_ctx.multicast_query_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL]);
+ v->br_mcast_ctx.multicast_query_response_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]) {
+ u64 val;
+
+ val = nla_get_u64(tb[BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL]);
+ v->br_mcast_ctx.multicast_startup_query_interval = clock_t_to_jiffies(val);
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]) {
+ u8 val;
+
+ val = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_QUERIER]);
+ err = br_multicast_set_querier(&v->br_mcast_ctx, val);
+ if (err)
+ return err;
+ *changed = true;
+ }
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_ROUTER]) {
+ u8 val;
+
+ val = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_ROUTER]);
+ err = br_multicast_set_router(&v->br_mcast_ctx, val);
+ if (err)
+ return err;
+ *changed = true;
+ }
+#if IS_ENABLED(CONFIG_IPV6)
+ if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) {
+ u8 ver;
+
+ ver = nla_get_u8(tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]);
+ err = br_multicast_set_mld_version(&v->br_mcast_ctx, ver);
+ if (err)
+ return err;
+ *changed = true;
+ }
+#endif
+#endif
+
+ return 0;
+}
+
+static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = {
+ [BRIDGE_VLANDB_GOPTS_ID] = { .type = NLA_U16 },
+ [BRIDGE_VLANDB_GOPTS_RANGE] = { .type = NLA_U16 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL] = { .type = NLA_U64 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_ROUTER] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL] = { .type = NLA_U64 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 },
+ [BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 },
+};
+
+int br_vlan_rtm_process_global_options(struct net_device *dev,
+ const struct nlattr *attr,
+ int cmd,
+ struct netlink_ext_ack *extack)
+{
+ struct net_bridge_vlan *v, *curr_start = NULL, *curr_end = NULL;
+ struct nlattr *tb[BRIDGE_VLANDB_GOPTS_MAX + 1];
+ struct net_bridge_vlan_group *vg;
+ u16 vid, vid_range = 0;
+ struct net_bridge *br;
+ int err = 0;
+
+ if (cmd != RTM_NEWVLAN) {
+ NL_SET_ERR_MSG_MOD(extack, "Global vlan options support only set operation");
+ return -EINVAL;
+ }
+ if (!netif_is_bridge_master(dev)) {
+ NL_SET_ERR_MSG_MOD(extack, "Global vlan options can only be set on bridge device");
+ return -EINVAL;
+ }
+ br = netdev_priv(dev);
+ vg = br_vlan_group(br);
+ if (WARN_ON(!vg))
+ return -ENODEV;
+
+ err = nla_parse_nested(tb, BRIDGE_VLANDB_GOPTS_MAX, attr,
+ br_vlan_db_gpol, extack);
+ if (err)
+ return err;
+
+ if (!tb[BRIDGE_VLANDB_GOPTS_ID]) {
+ NL_SET_ERR_MSG_MOD(extack, "Missing vlan entry id");
+ return -EINVAL;
+ }
+ vid = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_ID]);
+ if (!br_vlan_valid_id(vid, extack))
+ return -EINVAL;
+
+ if (tb[BRIDGE_VLANDB_GOPTS_RANGE]) {
+ vid_range = nla_get_u16(tb[BRIDGE_VLANDB_GOPTS_RANGE]);
+ if (!br_vlan_valid_id(vid_range, extack))
+ return -EINVAL;
+ if (vid >= vid_range) {
+ NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id");
+ return -EINVAL;
+ }
+ } else {
+ vid_range = vid;
+ }
+
+ for (; vid <= vid_range; vid++) {
+ bool changed = false;
+
+ v = br_vlan_find(vg, vid);
+ if (!v) {
+ NL_SET_ERR_MSG_MOD(extack, "Vlan in range doesn't exist, can't process global options");
+ err = -ENOENT;
+ break;
+ }
+
+ err = br_vlan_process_global_one_opts(br, vg, v, tb, &changed,
+ extack);
+ if (err)
+ break;
+
+ if (changed) {
+ /* vlan options changed, check for range */
+ if (!curr_start) {
+ curr_start = v;
+ curr_end = v;
+ continue;
+ }
+
+ if (!br_vlan_global_opts_can_enter_range(v, curr_end)) {
+ br_vlan_global_opts_notify(br, curr_start->vid,
+ curr_end->vid);
+ curr_start = v;
+ }
+ curr_end = v;
+ } else {
+ /* nothing changed and nothing to notify yet */
+ if (!curr_start)
+ continue;
+
+ br_vlan_global_opts_notify(br, curr_start->vid,
+ curr_end->vid);
+ curr_start = NULL;
+ curr_end = NULL;
+ }
+ }
+ if (curr_start)
+ br_vlan_global_opts_notify(br, curr_start->vid, curr_end->vid);
+
+ return err;
+}
projects / linux-2.6-microblaze.git / blobdiff