/*
* This is the new netlink-based wireless configuration interface.
*
- * Copyright 2006-2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
*/
#include <linux/if.h>
#include <linux/module.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/list.h>
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
}
/* policy for the attributes */
-static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
+static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
.len = 20-1 },
[NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
[NL80211_ATTR_IFINDEX] = { .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 },
+ [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
+ [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
+ [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
+ [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
};
/* policy for the attributes */
-static struct nla_policy
-nl80211_key_policy[NL80211_KEY_MAX + 1] __read_mostly = {
+static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
[NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
[NL80211_KEY_IDX] = { .type = NLA_U8 },
[NL80211_KEY_CIPHER] = { .type = NLA_U32 },
dev->wiphy.frag_threshold);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
dev->wiphy.rts_threshold);
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
+ dev->wiphy.coverage_class);
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
dev->wiphy.max_scan_ssids);
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);
+ CMD(set_pmksa, SET_PMKSA);
+ CMD(del_pmksa, DEL_PMKSA);
+ CMD(flush_pmksa, FLUSH_PMKSA);
+ CMD(remain_on_channel, REMAIN_ON_CHANNEL);
+ CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
+ CMD(action, ACTION);
if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
}
+ CMD(set_channel, SET_CHANNEL);
#undef CMD
return 0;
}
+static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
+{
+ /*
+ * You can only set the channel explicitly for AP, mesh
+ * and WDS type interfaces; all others have their channel
+ * managed via their respective "establish a connection"
+ * command (connect, join, ...)
+ *
+ * Monitors are special as they are normally slaved to
+ * whatever else is going on, so they behave as though
+ * you tried setting the wiphy channel itself.
+ */
+ return !wdev ||
+ wdev->iftype == NL80211_IFTYPE_AP ||
+ wdev->iftype == NL80211_IFTYPE_WDS ||
+ wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
+ wdev->iftype == NL80211_IFTYPE_MONITOR;
+}
+
+static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct genl_info *info)
+{
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq;
+ int result;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ if (!nl80211_can_set_dev_channel(wdev))
+ return -EOPNOTSUPP;
+
+ 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)
+ return -EINVAL;
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+
+ mutex_lock(&rdev->devlist_mtx);
+ if (wdev) {
+ wdev_lock(wdev);
+ result = cfg80211_set_freq(rdev, wdev, freq, channel_type);
+ wdev_unlock(wdev);
+ } else {
+ result = cfg80211_set_freq(rdev, NULL, freq, channel_type);
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return result;
+}
+
+static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *netdev;
+ int result;
+
+ rtnl_lock();
+
+ result = get_rdev_dev_by_info_ifindex(info, &rdev, &netdev);
+ if (result)
+ goto unlock;
+
+ result = __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
+
+ unlock:
+ rtnl_unlock();
+
+ return result;
+}
+
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
- int result = 0, rem_txq_params = 0;
+ struct net_device *netdev = NULL;
+ struct wireless_dev *wdev;
+ int result, rem_txq_params = 0;
struct nlattr *nl_txq_params;
u32 changed;
u8 retry_short = 0, retry_long = 0;
u32 frag_threshold = 0, rts_threshold = 0;
+ u8 coverage_class = 0;
rtnl_lock();
+ /*
+ * Try to find the wiphy and netdev. Normally this
+ * function shouldn't need the netdev, but this is
+ * done for backward compatibility -- previously
+ * setting the channel was done per wiphy, but now
+ * it is per netdev. Previous userland like hostapd
+ * also passed a netdev to set_wiphy, so that it is
+ * possible to let that go to the right netdev!
+ */
mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_rdev_from_info(info);
- if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
- result = PTR_ERR(rdev);
- goto unlock;
+ if (info->attrs[NL80211_ATTR_IFINDEX]) {
+ int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+
+ netdev = dev_get_by_index(genl_info_net(info), ifindex);
+ if (netdev && netdev->ieee80211_ptr) {
+ rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
+ mutex_lock(&rdev->mtx);
+ } else
+ netdev = NULL;
}
- mutex_lock(&rdev->mtx);
+ if (!netdev) {
+ rdev = __cfg80211_rdev_from_info(info);
+ if (IS_ERR(rdev)) {
+ mutex_unlock(&cfg80211_mutex);
+ result = PTR_ERR(rdev);
+ goto unlock;
+ }
+ wdev = NULL;
+ netdev = NULL;
+ result = 0;
+
+ mutex_lock(&rdev->mtx);
+ } else if (netif_running(netdev) &&
+ nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
+ wdev = netdev->ieee80211_ptr;
+ else
+ wdev = NULL;
+
+ /*
+ * end workaround code, by now the rdev is available
+ * and locked, and wdev may or may not be NULL.
+ */
if (info->attrs[NL80211_ATTR_WIPHY_NAME])
result = cfg80211_dev_rename(
}
if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
- u32 freq;
-
- result = -EINVAL;
-
- 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)
- goto bad_res;
- }
-
- freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
-
- mutex_lock(&rdev->devlist_mtx);
- result = rdev_set_freq(rdev, NULL, freq, channel_type);
- mutex_unlock(&rdev->devlist_mtx);
+ result = __nl80211_set_channel(rdev, wdev, info);
if (result)
goto bad_res;
}
changed |= WIPHY_PARAM_RTS_THRESHOLD;
}
+ if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
+ coverage_class = nla_get_u8(
+ info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
+ changed |= WIPHY_PARAM_COVERAGE_CLASS;
+ }
+
if (changed) {
u8 old_retry_short, old_retry_long;
u32 old_frag_threshold, old_rts_threshold;
+ u8 old_coverage_class;
if (!rdev->ops->set_wiphy_params) {
result = -EOPNOTSUPP;
old_retry_long = rdev->wiphy.retry_long;
old_frag_threshold = rdev->wiphy.frag_threshold;
old_rts_threshold = rdev->wiphy.rts_threshold;
+ old_coverage_class = rdev->wiphy.coverage_class;
if (changed & WIPHY_PARAM_RETRY_SHORT)
rdev->wiphy.retry_short = retry_short;
rdev->wiphy.frag_threshold = frag_threshold;
if (changed & WIPHY_PARAM_RTS_THRESHOLD)
rdev->wiphy.rts_threshold = rts_threshold;
+ if (changed & WIPHY_PARAM_COVERAGE_CLASS)
+ rdev->wiphy.coverage_class = coverage_class;
result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
if (result) {
rdev->wiphy.retry_long = old_retry_long;
rdev->wiphy.frag_threshold = old_frag_threshold;
rdev->wiphy.rts_threshold = old_rts_threshold;
+ rdev->wiphy.coverage_class = old_coverage_class;
}
}
bad_res:
mutex_unlock(&rdev->mtx);
+ if (netdev)
+ dev_put(netdev);
unlock:
rtnl_unlock();
return result;
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;
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;
}
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])
+ 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,
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);
if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
return -EINVAL;
+ if (!info->attrs[NL80211_ATTR_STA_AID])
+ return -EINVAL;
+
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
params.supported_rates =
nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
- if (info->attrs[NL80211_ATTR_STA_AID]) {
- params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
- if (!params.aid || params.aid > IEEE80211_MAX_AID)
- return -EINVAL;
- }
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (!params.aid || params.aid > IEEE80211_MAX_AID)
+ return -EINVAL;
if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
params.ht_capa =
if (err)
goto out_rtnl;
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
+ err = -EINVAL;
+ goto out;
+ }
+
err = get_vlan(info, rdev, ¶ms.vlan);
if (err)
goto out;
/* validate settings */
err = 0;
- switch (dev->ieee80211_ptr->iftype) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- /* all ok but must have AID */
- if (!params.aid)
- err = -EINVAL;
- break;
- case NL80211_IFTYPE_MESH_POINT:
- /* disallow things mesh doesn't support */
- if (params.vlan)
- err = -EINVAL;
- if (params.aid)
- err = -EINVAL;
- if (params.ht_capa)
- err = -EINVAL;
- if (params.listen_interval >= 0)
- err = -EINVAL;
- if (params.supported_rates)
- err = -EINVAL;
- if (params.sta_flags_mask)
- err = -EINVAL;
- break;
- default:
- err = -EINVAL;
- }
-
- if (err)
- goto out;
-
if (!rdev->ops->add_station) {
err = -EOPNOTSUPP;
goto out;
params.use_cts_prot = -1;
params.use_short_preamble = -1;
params.use_short_slot_time = -1;
+ params.ap_isolate = -1;
if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
params.use_cts_prot =
params.basic_rates_len =
nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
}
+ if (info->attrs[NL80211_ATTR_AP_ISOLATE])
+ params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
rtnl_lock();
return err;
}
-static const struct nla_policy
- reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
+static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
[NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
[NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
[NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
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;
} \
} while (0);\
-static struct nla_policy
-nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = {
+static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
[NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
[NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
[NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
res->len_information_elements,
res->information_elements);
+ if (res->beacon_ies && res->len_beacon_ies &&
+ res->beacon_ies != res->information_elements)
+ NLA_PUT(msg, NL80211_BSS_BEACON_IES,
+ res->len_beacon_ies, res->beacon_ies);
if (res->tsf)
NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
if (res->beacon_interval)
int err, ssid_len, ie_len = 0;
enum nl80211_auth_type auth_type;
struct key_parse key;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
goto out;
}
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
ssid, ssid_len, ie, ie_len,
- key.p.key, key.p.key_len, key.idx);
+ key.p.key, key.p.key_len, key.idx,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
struct cfg80211_registered_device *rdev;
struct net_device *dev;
struct cfg80211_crypto_settings crypto;
- struct ieee80211_channel *chan, *fixedchan;
+ struct ieee80211_channel *chan;
const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
int err, ssid_len, ie_len = 0;
bool use_mfp = false;
goto out;
}
- mutex_lock(&rdev->devlist_mtx);
- fixedchan = rdev_fixed_channel(rdev, NULL);
- if (fixedchan && chan != fixedchan) {
- err = -EBUSY;
- mutex_unlock(&rdev->devlist_mtx);
- goto out;
- }
- mutex_unlock(&rdev->devlist_mtx);
-
ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
const u8 *ie = NULL, *bssid;
int err, ie_len = 0;
u16 reason_code;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code);
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
const u8 *ie = NULL, *bssid;
int err, ie_len = 0;
u16 reason_code;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code);
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
return err;
}
-static struct genl_ops nl80211_ops[] = {
- {
- .cmd = NL80211_CMD_GET_WIPHY,
- .doit = nl80211_get_wiphy,
- .dumpit = nl80211_dump_wiphy,
- .policy = nl80211_policy,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = NL80211_CMD_SET_WIPHY,
- .doit = nl80211_set_wiphy,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_GET_INTERFACE,
- .doit = nl80211_get_interface,
- .dumpit = nl80211_dump_interface,
- .policy = nl80211_policy,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = NL80211_CMD_SET_INTERFACE,
- .doit = nl80211_set_interface,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_NEW_INTERFACE,
- .doit = nl80211_new_interface,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_DEL_INTERFACE,
- .doit = nl80211_del_interface,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_GET_KEY,
- .doit = nl80211_get_key,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_SET_KEY,
- .doit = nl80211_set_key,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_NEW_KEY,
- .doit = nl80211_new_key,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_DEL_KEY,
- .doit = nl80211_del_key,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_SET_BEACON,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- .doit = nl80211_addset_beacon,
- },
- {
- .cmd = NL80211_CMD_NEW_BEACON,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- .doit = nl80211_addset_beacon,
- },
- {
- .cmd = NL80211_CMD_DEL_BEACON,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- .doit = nl80211_del_beacon,
- },
- {
- .cmd = NL80211_CMD_GET_STATION,
- .doit = nl80211_get_station,
- .dumpit = nl80211_dump_station,
- .policy = nl80211_policy,
- },
- {
- .cmd = NL80211_CMD_SET_STATION,
- .doit = nl80211_set_station,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_NEW_STATION,
- .doit = nl80211_new_station,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_DEL_STATION,
- .doit = nl80211_del_station,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
- .cmd = NL80211_CMD_GET_MPATH,
- .doit = nl80211_get_mpath,
+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 u32 rateset_to_mask(struct ieee80211_supported_band *sband,
+ u8 *rates, u8 rates_len)
+{
+ u8 i;
+ u32 mask = 0;
+
+ for (i = 0; i < rates_len; i++) {
+ int rate = (rates[i] & 0x7f) * 5;
+ int ridx;
+ for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
+ struct ieee80211_rate *srate =
+ &sband->bitrates[ridx];
+ if (rate == srate->bitrate) {
+ mask |= 1 << ridx;
+ break;
+ }
+ }
+ if (ridx == sband->n_bitrates)
+ return 0; /* rate not found */
+ }
+
+ return mask;
+}
+
+static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
+ [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+};
+
+static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct nlattr *tb[NL80211_TXRATE_MAX + 1];
+ struct cfg80211_registered_device *rdev;
+ struct cfg80211_bitrate_mask mask;
+ int err, rem, i;
+ struct net_device *dev;
+ struct nlattr *tx_rates;
+ struct ieee80211_supported_band *sband;
+
+ if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->set_bitrate_mask) {
+ err = -EOPNOTSUPP;
+ goto unlock;
+ }
+
+ memset(&mask, 0, sizeof(mask));
+ /* Default to all rates enabled */
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+ sband = rdev->wiphy.bands[i];
+ mask.control[i].legacy =
+ sband ? (1 << sband->n_bitrates) - 1 : 0;
+ }
+
+ /*
+ * The nested attribute uses enum nl80211_band as the index. This maps
+ * directly to the enum ieee80211_band values used in cfg80211.
+ */
+ nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
+ {
+ enum ieee80211_band band = nla_type(tx_rates);
+ if (band < 0 || band >= IEEE80211_NUM_BANDS) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ sband = rdev->wiphy.bands[band];
+ if (sband == NULL) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
+ nla_len(tx_rates), nl80211_txattr_policy);
+ if (tb[NL80211_TXRATE_LEGACY]) {
+ mask.control[band].legacy = rateset_to_mask(
+ sband,
+ nla_data(tb[NL80211_TXRATE_LEGACY]),
+ nla_len(tb[NL80211_TXRATE_LEGACY]));
+ if (mask.control[band].legacy == 0) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ }
+ }
+
+ err = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
+
+ unlock:
+ dev_put(dev);
+ cfg80211_unlock_rdev(rdev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
+ return -EINVAL;
+
+ if (nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]) < 1)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ /* not much point in registering if we can't reply */
+ if (!rdev->ops->action) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = cfg80211_mlme_register_action(dev->ieee80211_ptr, info->snd_pid,
+ nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct ieee80211_channel *chan;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq;
+ int err;
+ void *hdr;
+ u64 cookie;
+ struct sk_buff *msg;
+
+ if (!info->attrs[NL80211_ATTR_FRAME] ||
+ !info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->action) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ 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_ACTION);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+ err = cfg80211_mlme_action(rdev, dev, chan, channel_type,
+ nla_data(info->attrs[NL80211_ATTR_FRAME]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME]),
+ &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_set_power_save(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+ struct net_device *dev;
+ u8 ps_state;
+ bool state;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_PS_STATE]) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
+
+ if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rdev;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_power_mgmt) {
+ err = -EOPNOTSUPP;
+ goto unlock_rdev;
+ }
+
+ state = (ps_state == NL80211_PS_ENABLED) ? true : false;
+
+ if (state == wdev->ps)
+ goto unlock_rdev;
+
+ wdev->ps = state;
+
+ if (rdev->ops->set_power_mgmt(wdev->wiphy, dev, wdev->ps,
+ wdev->ps_timeout))
+ /* assume this means it's off */
+ wdev->ps = false;
+
+unlock_rdev:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ rtnl_unlock();
+
+out:
+ return err;
+}
+
+static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ enum nl80211_ps_state ps_state;
+ struct wireless_dev *wdev;
+ struct net_device *dev;
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_power_mgmt) {
+ err = -EOPNOTSUPP;
+ 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_GET_POWER_SAVE);
+ if (!hdr) {
+ err = -ENOMEM;
+ goto free_msg;
+ }
+
+ if (wdev->ps)
+ ps_state = NL80211_PS_ENABLED;
+ else
+ ps_state = NL80211_PS_DISABLED;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
+
+ 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 struct nla_policy
+nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
+ [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+};
+
+static int nl80211_set_cqm_rssi(struct genl_info *info,
+ s32 threshold, u32 hysteresis)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+ struct net_device *dev;
+ int err;
+
+ if (threshold > 0)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rdev;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_cqm_rssi_config) {
+ err = -EOPNOTSUPP;
+ goto unlock_rdev;
+ }
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto unlock_rdev;
+ }
+
+ err = rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
+ threshold, hysteresis);
+
+unlock_rdev:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ rtnl_unlock();
+
+ return err;
+}
+
+static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
+ struct nlattr *cqm;
+ int err;
+
+ cqm = info->attrs[NL80211_ATTR_CQM];
+ if (!cqm) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
+ nl80211_attr_cqm_policy);
+ if (err)
+ goto out;
+
+ if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
+ attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
+ s32 threshold;
+ u32 hysteresis;
+ threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
+ hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
+ err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
+ } else
+ err = -EINVAL;
+
+out:
+ return err;
+}
+
+static struct genl_ops nl80211_ops[] = {
+ {
+ .cmd = NL80211_CMD_GET_WIPHY,
+ .doit = nl80211_get_wiphy,
+ .dumpit = nl80211_dump_wiphy,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = NL80211_CMD_SET_WIPHY,
+ .doit = nl80211_set_wiphy,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_INTERFACE,
+ .doit = nl80211_get_interface,
+ .dumpit = nl80211_dump_interface,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = NL80211_CMD_SET_INTERFACE,
+ .doit = nl80211_set_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_INTERFACE,
+ .doit = nl80211_new_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_INTERFACE,
+ .doit = nl80211_del_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_KEY,
+ .doit = nl80211_get_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_KEY,
+ .doit = nl80211_set_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_KEY,
+ .doit = nl80211_new_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_KEY,
+ .doit = nl80211_del_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_BEACON,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_addset_beacon,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_BEACON,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_addset_beacon,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_BEACON,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_del_beacon,
+ },
+ {
+ .cmd = NL80211_CMD_GET_STATION,
+ .doit = nl80211_get_station,
+ .dumpit = nl80211_dump_station,
+ .policy = nl80211_policy,
+ },
+ {
+ .cmd = NL80211_CMD_SET_STATION,
+ .doit = nl80211_set_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_STATION,
+ .doit = nl80211_new_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_STATION,
+ .doit = nl80211_del_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_MPATH,
+ .doit = nl80211_get_mpath,
.dumpit = nl80211_dump_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.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,
+ },
+ {
+ .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
+ .doit = nl80211_set_tx_bitrate_mask,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_REGISTER_ACTION,
+ .doit = nl80211_register_action,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_ACTION,
+ .doit = nl80211_action,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_POWER_SAVE,
+ .doit = nl80211_set_power_save,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_POWER_SAVE,
+ .doit = nl80211_get_power_save,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = NL80211_CMD_SET_CQM,
+ .doit = nl80211_set_cqm,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_CHANNEL,
+ .doit = nl80211_set_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);
+}
+
+int nl80211_send_action(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 nlpid,
+ int freq, const u8 *buf, size_t len, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return -ENOMEM;
+ }
+
+ 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, freq);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
+
+ err = genlmsg_end(msg, hdr);
+ if (err < 0) {
+ nlmsg_free(msg);
+ return err;
+ }
+
+ err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
+ if (err < 0)
+ return err;
+ return 0;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ 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, NL80211_CMD_ACTION_TX_STATUS);
+ 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(msg, NL80211_ATTR_FRAME, len, buf);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+ if (ack)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void
+nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ enum nl80211_cqm_rssi_threshold_event rssi_event,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *pinfoattr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
+ 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);
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
+ if (!pinfoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
+ rssi_event);
+
+ nla_nest_end(msg, pinfoattr);
+
+ 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);
+}
+
+static int nl80211_netlink_notify(struct notifier_block * nb,
+ unsigned long state,
+ void *_notify)
+{
+ struct netlink_notify *notify = _notify;
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ if (state != NETLINK_URELEASE)
+ return NOTIFY_DONE;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list)
+ list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
+ cfg80211_mlme_unregister_actions(wdev, notify->pid);
+
+ rcu_read_unlock();
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block nl80211_netlink_notifier = {
+ .notifier_call = nl80211_netlink_notify,
+};
+
/* initialisation/exit functions */
int nl80211_init(void)
goto err_out;
#endif
+ err = netlink_register_notifier(&nl80211_netlink_notifier);
+ if (err)
+ goto err_out;
+
return 0;
err_out:
genl_unregister_family(&nl80211_fam);
void nl80211_exit(void)
{
+ netlink_unregister_notifier(&nl80211_netlink_notifier);
genl_unregister_family(&nl80211_fam);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff