[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
[NL80211_ATTR_PID] = { .type = NLA_U32 },
+ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
+ [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
+ .len = WLAN_PMKID_LEN },
+ [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
+ [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
};
/* policy for the attributes */
[NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
};
+/* ifidx get helper */
+static int nl80211_get_ifidx(struct netlink_callback *cb)
+{
+ int res;
+
+ res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (res)
+ return res;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+ if (!res)
+ return -EINVAL;
+ return res;
+}
+
/* IE validation */
static bool is_valid_ie_attr(const struct nlattr *attr)
{
sizeof(u32) * dev->wiphy.n_cipher_suites,
dev->wiphy.cipher_suites);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
+ dev->wiphy.max_num_pmkids);
+
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
if (!nl_modes)
goto nla_put_failure;
CMD(deauth, DEAUTHENTICATE);
CMD(disassoc, DISASSOCIATE);
CMD(join_ibss, JOIN_IBSS);
- if (dev->wiphy.netnsok) {
+ CMD(set_pmksa, SET_PMKSA);
+ CMD(del_pmksa, DEL_PMKSA);
+ CMD(flush_pmksa, FLUSH_PMKSA);
+ CMD(remain_on_channel, REMAIN_ON_CHANNEL);
+ if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
}
return 0;
}
+static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u8 use_4addr,
+ enum nl80211_iftype iftype)
+{
+ if (!use_4addr) {
+ if (netdev && netdev->br_port)
+ return -EBUSY;
+ return 0;
+ }
+
+ switch (iftype) {
+ case NL80211_IFTYPE_AP_VLAN:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
+ return 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
+ return 0;
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
change = true;
}
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ change = true;
+ err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
+ if (err)
+ goto unlock;
+ } else {
+ params.use_4addr = -1;
+ }
+
if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
if (ntype != NL80211_IFTYPE_MONITOR) {
err = -EINVAL;
else
err = 0;
+ if (!err && params.use_4addr != -1)
+ dev->ieee80211_ptr->use_4addr = params.use_4addr;
+
unlock:
dev_put(dev);
cfg80211_unlock_rdev(rdev);
params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
}
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
+ if (err)
+ goto unlock;
+ }
+
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
return 0;
}
-static u16 nl80211_calculate_bitrate(struct rate_info *rate)
-{
- int modulation, streams, bitrate;
-
- if (!(rate->flags & RATE_INFO_FLAGS_MCS))
- return rate->legacy;
-
- /* the formula below does only work for MCS values smaller than 32 */
- if (rate->mcs >= 32)
- return 0;
-
- modulation = rate->mcs & 7;
- streams = (rate->mcs >> 3) + 1;
-
- bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
- 13500000 : 6500000;
-
- if (modulation < 4)
- bitrate *= (modulation + 1);
- else if (modulation == 4)
- bitrate *= (modulation + 2);
- else
- bitrate *= (modulation + 3);
-
- bitrate *= streams;
-
- if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
- bitrate = (bitrate / 9) * 10;
-
- /* do NOT round down here */
- return (bitrate + 50000) / 100000;
-}
-
static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
int flags, struct net_device *dev,
- u8 *mac_addr, struct station_info *sinfo)
+ const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
struct nlattr *sinfoattr, *txrate;
if (!txrate)
goto nla_put_failure;
- /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
- bitrate = nl80211_calculate_bitrate(&sinfo->txrate);
+ /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
+ bitrate = cfg80211_calculate_bitrate(&sinfo->txrate);
if (bitrate > 0)
NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
int sta_idx = cb->args[1];
int err;
- if (!ifidx) {
- err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
- nl80211_fam.attrbuf, nl80211_fam.maxattr,
- nl80211_policy);
- if (err)
- return err;
-
- if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
- return -EINVAL;
-
- ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
- if (!ifidx)
- return -EINVAL;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
rtnl_lock();
}
/*
- * Get vlan interface making sure it is on the right wiphy.
+ * Get vlan interface making sure it is running and on the right wiphy.
*/
static int get_vlan(struct genl_info *info,
struct cfg80211_registered_device *rdev,
return -EINVAL;
if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
return -EINVAL;
+ if (!netif_running(*vlan))
+ return -ENETDOWN;
}
return 0;
}
if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
pinfo->frame_qlen);
- if (pinfo->filled & MPATH_INFO_DSN)
- NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
- pinfo->dsn);
+ if (pinfo->filled & MPATH_INFO_SN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
+ pinfo->sn);
if (pinfo->filled & MPATH_INFO_METRIC)
NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
pinfo->metric);
int path_idx = cb->args[1];
int err;
- if (!ifidx) {
- err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
- nl80211_fam.attrbuf, nl80211_fam.maxattr,
- nl80211_policy);
- if (err)
- return err;
-
- if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
- return -EINVAL;
-
- ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
- if (!ifidx)
- return -EINVAL;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
rtnl_lock();
data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
- /* We ignore world regdom requests with the old regdom setup */
- if (is_world_regdom(data))
- return -EINVAL;
-#endif
-
r = regulatory_hint_user(data);
return r;
cur_params.dot11MeshHWMPpreqMinInterval);
NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
+ cur_params.dot11MeshHWMPRootMode);
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
err = genlmsg_reply(msg, info);
dot11MeshHWMPnetDiameterTraversalTime,
mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPRootMode, mask,
+ NL80211_MESHCONF_HWMP_ROOTMODE,
+ nla_get_u8);
/* Apply changes */
err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
int start = cb->args[1], idx = 0;
int err;
- if (!ifidx) {
- err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
- nl80211_fam.attrbuf, nl80211_fam.maxattr,
- nl80211_policy);
- if (err)
- return err;
-
- if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
- return -EINVAL;
-
- ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
- if (!ifidx)
- return -EINVAL;
- cb->args[0] = ifidx;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+ cb->args[0] = ifidx;
dev = dev_get_by_index(sock_net(skb->sk), ifidx);
if (!dev)
return err;
}
+static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags, struct net_device *dev,
+ struct survey_info *survey)
+{
+ void *hdr;
+ struct nlattr *infoattr;
+
+ /* Survey without a channel doesn't make sense */
+ if (!survey->channel)
+ return -EINVAL;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags,
+ NL80211_CMD_NEW_SURVEY_RESULTS);
+ if (!hdr)
+ return -ENOMEM;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+
+ infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
+ if (!infoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
+ survey->channel->center_freq);
+ if (survey->filled & SURVEY_INFO_NOISE_DBM)
+ NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
+ survey->noise);
+
+ nla_nest_end(msg, infoattr);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_survey(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct survey_info survey;
+ struct cfg80211_registered_device *dev;
+ struct net_device *netdev;
+ int ifidx = cb->args[0];
+ int survey_idx = cb->args[1];
+ int res;
+
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+ cb->args[0] = ifidx;
+
+ rtnl_lock();
+
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!netdev) {
+ res = -ENODEV;
+ goto out_rtnl;
+ }
+
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+ if (IS_ERR(dev)) {
+ res = PTR_ERR(dev);
+ goto out_rtnl;
+ }
+
+ if (!dev->ops->dump_survey) {
+ res = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
+ &survey);
+ if (res == -ENOENT)
+ break;
+ if (res)
+ goto out_err;
+
+ if (nl80211_send_survey(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev,
+ &survey) < 0)
+ goto out;
+ survey_idx++;
+ }
+
+ out:
+ cb->args[1] = survey_idx;
+ res = skb->len;
+ out_err:
+ cfg80211_unlock_rdev(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return res;
+}
+
static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
{
return auth_type <= NL80211_AUTHTYPE_MAX;
return err;
}
+static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_pmksa *pmksa) = NULL;
+ int err;
+ struct net_device *dev;
+ struct cfg80211_pmksa pmksa;
+
+ memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_PMKID])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto out_rtnl;
+
+ pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+ pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ switch (info->genlhdr->cmd) {
+ case NL80211_CMD_SET_PMKSA:
+ rdev_ops = rdev->ops->set_pmksa;
+ break;
+ case NL80211_CMD_DEL_PMKSA:
+ rdev_ops = rdev->ops->del_pmksa;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ if (!rdev_ops) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev_ops(&rdev->wiphy, dev, &pmksa);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return err;
+}
+
+static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ int err;
+ struct net_device *dev;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto out_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!rdev->ops->flush_pmksa) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return err;
+
+}
+
+static int nl80211_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct ieee80211_channel *chan;
+ struct sk_buff *msg;
+ void *hdr;
+ u64 cookie;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq, duration;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
+ !info->attrs[NL80211_ATTR_DURATION])
+ return -EINVAL;
+
+ duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+
+ /*
+ * We should be on that channel for at least one jiffie,
+ * and more than 5 seconds seems excessive.
+ */
+ if (!duration || !msecs_to_jiffies(duration) || duration > 5000)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->remain_on_channel) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ channel_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40PLUS &&
+ channel_type != NL80211_CHAN_HT40MINUS)
+ err = -EINVAL;
+ goto out;
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ chan = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (chan == NULL) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_REMAIN_ON_CHANNEL);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+
+ err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
+ channel_type, duration, &cookie);
+
+ if (err)
+ goto free_msg;
+
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ genlmsg_end(msg, hdr);
+ err = genlmsg_reply(msg, info);
+ goto out;
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ u64 cookie;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_COOKIE])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->cancel_remain_on_channel) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
+
+ err = rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = NL80211_CMD_GET_SURVEY,
+ .policy = nl80211_policy,
+ .dumpit = nl80211_dump_survey,
+ },
+ {
+ .cmd = NL80211_CMD_SET_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_FLUSH_PMKSA,
+ .doit = nl80211_flush_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
+ .doit = nl80211_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ .doit = nl80211_cancel_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
+
static struct genl_multicast_group nl80211_mlme_mcgrp = {
.name = "mlme",
};
nlmsg_free(msg);
}
+static void nl80211_send_remain_on_chan_event(
+ int cmd, struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL)
+ NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, duration, gfp);
+}
+
+void nl80211_send_remain_on_channel_cancel(
+ struct cfg80211_registered_device *rdev, struct net_device *netdev,
+ u64 cookie, struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, 0, gfp);
+}
+
+void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+}
+
/* initialisation/exit functions */
int nl80211_init(void)