/*
* mac80211 configuration hooks for cfg80211
*
- * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
*
* This file is GPLv2 as found in COPYING.
*/
#include <linux/ieee80211.h>
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <linux/rcupdate.h>
#include <net/cfg80211.h>
if (!nl80211_type_check(type))
return false;
- if (params->use_4addr > 0) {
- switch(type) {
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_STATION:
- break;
- default:
- return false;
- }
- }
return true;
}
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
int ret;
- if (netif_running(dev))
+ if (ieee80211_sdata_running(sdata))
return -EBUSY;
if (!nl80211_params_check(type, params))
return -EINVAL;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
ret = ieee80211_if_change_type(sdata, type);
if (ret)
return ret;
params->mesh_id_len,
params->mesh_id);
- if (params->use_4addr >= 0)
- sdata->use_4addr = !!params->use_4addr;
+ if (type == NL80211_IFTYPE_AP_VLAN &&
+ params && params->use_4addr == 0)
+ rcu_assign_pointer(sdata->u.vlan.sta, NULL);
+ else if (type == NL80211_IFTYPE_STATION &&
+ params && params->use_4addr >= 0)
+ sdata->u.mgd.use_4addr = params->use_4addr;
- if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
- return 0;
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags)
+ sdata->u.mntr_flags = *flags;
- sdata->u.mntr_flags = *flags;
return 0;
}
rcu_read_lock();
if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get_bss(sdata, mac_addr);
if (!sta) {
ieee80211_key_free(key);
err = -ENOENT;
if (mac_addr) {
ret = -ENOENT;
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get_bss(sdata, mac_addr);
if (!sta)
goto out_unlock;
rcu_read_lock();
if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get_bss(sdata, mac_addr);
if (!sta)
goto out;
sinfo->rx_packets = sta->rx_packets;
sinfo->tx_packets = sta->tx_packets;
- if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
+ if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
+ (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
sinfo->filled |= STATION_INFO_SIGNAL;
sinfo->signal = (s8)sta->last_signal;
}
return ret;
}
+static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
+ int idx, struct survey_info *survey)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ if (!local->ops->get_survey)
+ return -EOPNOTSUPP;
+
+ return drv_get_survey(local, idx, survey);
+}
+
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct sta_info *sta;
int ret = -ENOENT;
rcu_read_lock();
- /* XXX: verify sta->dev == dev */
-
- sta = sta_info_get(local, mac);
+ sta = sta_info_get_bss(sdata, mac);
if (sta) {
ret = 0;
sta_set_sinfo(sta, sinfo);
if (old)
memcpy(new->tail, old->tail, new_tail_len);
+ sdata->vif.bss_conf.dtim_period = new->dtim_period;
+
rcu_assign_pointer(sdata->u.ap.beacon, new);
synchronize_rcu();
} else
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (compare_ether_addr(mac, dev->dev_addr) == 0)
+ if (compare_ether_addr(mac, sdata->vif.addr) == 0)
return -EINVAL;
if (is_multicast_ether_addr(mac))
layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
sdata->vif.type == NL80211_IFTYPE_AP;
- rcu_read_lock();
-
- err = sta_info_insert(sta);
+ err = sta_info_insert_rcu(sta);
if (err) {
rcu_read_unlock();
return err;
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata;
- struct sta_info *sta;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (mac) {
- rcu_read_lock();
-
- /* XXX: get sta belonging to dev */
- sta = sta_info_get(local, mac);
- if (!sta) {
- rcu_read_unlock();
- return -ENOENT;
- }
-
- sta_info_unlink(&sta);
- rcu_read_unlock();
-
- sta_info_destroy(sta);
- } else
- sta_info_flush(local, sdata);
+ if (mac)
+ return sta_info_destroy_addr_bss(sdata, mac);
+ sta_info_flush(local, sdata);
return 0;
}
u8 *mac,
struct station_parameters *params)
{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wiphy_priv(wiphy);
struct sta_info *sta;
struct ieee80211_sub_if_data *vlansdata;
rcu_read_lock();
- /* XXX: get sta belonging to dev */
- sta = sta_info_get(local, mac);
+ sta = sta_info_get_bss(sdata, mac);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
return -EINVAL;
}
- if (vlansdata->use_4addr) {
- if (vlansdata->u.vlan.sta)
+ if (params->vlan->ieee80211_ptr->use_4addr) {
+ if (vlansdata->u.vlan.sta) {
+ rcu_read_unlock();
return -EBUSY;
+ }
rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
}
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
struct sta_info *sta;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- sta = sta_info_get(local, next_hop);
+ sta = sta_info_get(sdata, next_hop);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
struct net_device *dev,
u8 *dst, u8 *next_hop)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
struct sta_info *sta;
rcu_read_lock();
- sta = sta_info_get(local, next_hop);
+ sta = sta_info_get(sdata, next_hop);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
params->use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
+
+ if (!sdata->vif.bss_conf.use_short_slot &&
+ sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
+ sdata->vif.bss_conf.use_short_slot = true;
+ changed |= BSS_CHANGED_ERP_SLOT;
+ }
+
if (params->use_short_slot_time >= 0) {
sdata->vif.bss_conf.use_short_slot =
params->use_short_slot_time;
changed |= BSS_CHANGED_BASIC_RATES;
}
+ if (params->ap_isolate >= 0) {
+ if (params->ap_isolate)
+ sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
p.cw_max = params->cwmax;
p.cw_min = params->cwmin;
p.txop = params->txop;
+
+ /*
+ * Setting tx queue params disables u-apsd because it's only
+ * called in master mode.
+ */
+ p.uapsd = false;
+
if (drv_conf_tx(local, params->queue, &p)) {
printk(KERN_DEBUG "%s: failed to set TX queue "
"parameters for queue %d\n",
return -EINVAL;
}
+ /* enable WMM or activate new settings */
+ local->hw.conf.flags |= IEEE80211_CONF_QOS;
+ drv_config(local, IEEE80211_CONF_CHANGE_QOS);
+
return 0;
}
static int ieee80211_set_channel(struct wiphy *wiphy,
+ struct net_device *netdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = NULL;
+
+ if (netdev)
+ sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
+
+ switch (ieee80211_get_channel_mode(local, NULL)) {
+ case CHAN_MODE_HOPPING:
+ return -EBUSY;
+ case CHAN_MODE_FIXED:
+ if (local->oper_channel != chan)
+ return -EBUSY;
+ if (!sdata && local->_oper_channel_type == channel_type)
+ return 0;
+ break;
+ case CHAN_MODE_UNDEFINED:
+ break;
+ }
local->oper_channel = chan;
- local->oper_channel_type = channel_type;
- return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+ if (!ieee80211_set_channel_type(local, sdata, channel_type))
+ return -EBUSY;
+
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+ if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
+
+ return 0;
}
#ifdef CONFIG_PM
static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req)
{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ switch (ieee80211_get_channel_mode(local, sdata)) {
+ case CHAN_MODE_HOPPING:
+ return -EBUSY;
+ case CHAN_MODE_FIXED:
+ if (local->oper_channel == req->bss->channel)
+ break;
+ return -EBUSY;
+ case CHAN_MODE_UNDEFINED:
+ break;
+ }
+
return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params)
{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ switch (ieee80211_get_channel_mode(local, sdata)) {
+ case CHAN_MODE_HOPPING:
+ return -EBUSY;
+ case CHAN_MODE_FIXED:
+ if (!params->channel_fixed)
+ return -EBUSY;
+ if (local->oper_channel == params->channel)
+ break;
+ return -EBUSY;
+ case CHAN_MODE_UNDEFINED:
+ break;
+ }
+
return ieee80211_ibss_join(sdata, params);
}
struct ieee80211_local *local = wiphy_priv(wiphy);
int err;
+ if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
+ err = drv_set_coverage_class(local, wiphy->coverage_class);
+
+ if (err)
+ return err;
+ }
+
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
err = drv_set_rts_threshold(local, wiphy->rts_threshold);
}
#endif
+int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_smps_mode smps_mode)
+{
+ const u8 *ap;
+ enum ieee80211_smps_mode old_req;
+ int err;
+
+ old_req = sdata->u.mgd.req_smps;
+ sdata->u.mgd.req_smps = smps_mode;
+
+ if (old_req == smps_mode &&
+ smps_mode != IEEE80211_SMPS_AUTOMATIC)
+ return 0;
+
+ /*
+ * If not associated, or current association is not an HT
+ * association, there's no need to send an action frame.
+ */
+ if (!sdata->u.mgd.associated ||
+ sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
+ mutex_lock(&sdata->local->iflist_mtx);
+ ieee80211_recalc_smps(sdata->local, sdata);
+ mutex_unlock(&sdata->local->iflist_mtx);
+ return 0;
+ }
+
+ ap = sdata->u.mgd.associated->bssid;
+
+ if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
+ if (sdata->u.mgd.powersave)
+ smps_mode = IEEE80211_SMPS_DYNAMIC;
+ else
+ smps_mode = IEEE80211_SMPS_OFF;
+ }
+
+ /* send SM PS frame to AP */
+ err = ieee80211_send_smps_action(sdata, smps_mode,
+ ap, ap);
+ if (err)
+ sdata->u.mgd.req_smps = old_req;
+
+ return err;
+}
+
static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
bool enabled, int timeout)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_conf *conf = &local->hw.conf;
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return -EOPNOTSUPP;
+
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
return -EOPNOTSUPP;
if (enabled == sdata->u.mgd.powersave &&
- timeout == conf->dynamic_ps_timeout)
+ timeout == conf->dynamic_ps_forced_timeout)
return 0;
sdata->u.mgd.powersave = enabled;
- conf->dynamic_ps_timeout = timeout;
+ conf->dynamic_ps_forced_timeout = timeout;
+
+ /* no change, but if automatic follow powersave */
+ mutex_lock(&sdata->u.mgd.mtx);
+ __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
+ mutex_unlock(&sdata->u.mgd.mtx);
if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
return 0;
}
+static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
+ struct net_device *dev,
+ s32 rssi_thold, u32 rssi_hyst)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_vif *vif = &sdata->vif;
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+
+ if (rssi_thold == bss_conf->cqm_rssi_thold &&
+ rssi_hyst == bss_conf->cqm_rssi_hyst)
+ return 0;
+
+ bss_conf->cqm_rssi_thold = rssi_thold;
+ bss_conf->cqm_rssi_hyst = rssi_hyst;
+
+ if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return -EOPNOTSUPP;
+ return 0;
+ }
+
+ /* tell the driver upon association, unless already associated */
+ if (sdata->u.mgd.associated)
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
+
+ return 0;
+}
+
static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
struct net_device *dev,
const u8 *addr,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- int i, err = -EINVAL;
- u32 target_rate;
- struct ieee80211_supported_band *sband;
+ int i;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ /*
+ * This _could_ be supported by providing a hook for
+ * drivers for this function, but at this point it
+ * doesn't seem worth bothering.
+ */
+ if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+ return -EOPNOTSUPP;
- /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
- * target_rate = X, rate->fixed = 1 means only rate X
- * target_rate = X, rate->fixed = 0 means all rates <= X */
- sdata->max_ratectrl_rateidx = -1;
- sdata->force_unicast_rateidx = -1;
- if (mask->fixed)
- target_rate = mask->fixed / 100;
- else if (mask->maxrate)
- target_rate = mask->maxrate / 100;
- else
- return 0;
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+ sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
- for (i=0; i< sband->n_bitrates; i++) {
- struct ieee80211_rate *brate = &sband->bitrates[i];
- int this_rate = brate->bitrate;
+ return 0;
+}
- if (target_rate == this_rate) {
- sdata->max_ratectrl_rateidx = i;
- if (mask->fixed)
- sdata->force_unicast_rateidx = i;
- err = 0;
- break;
- }
- }
+static int ieee80211_remain_on_channel(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration,
+ u64 *cookie)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- return err;
+ return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
+ duration, cookie);
+}
+
+static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct net_device *dev,
+ u64 cookie)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
+}
+
+static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ const u8 *buf, size_t len, u64 *cookie)
+{
+ return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
+ channel_type, buf, len, cookie);
}
struct cfg80211_ops mac80211_config_ops = {
.change_station = ieee80211_change_station,
.get_station = ieee80211_get_station,
.dump_station = ieee80211_dump_station,
+ .dump_survey = ieee80211_dump_survey,
#ifdef CONFIG_MAC80211_MESH
.add_mpath = ieee80211_add_mpath,
.del_mpath = ieee80211_del_mpath,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
.set_power_mgmt = ieee80211_set_power_mgmt,
.set_bitrate_mask = ieee80211_set_bitrate_mask,
+ .remain_on_channel = ieee80211_remain_on_channel,
+ .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
+ .action = ieee80211_action,
+ .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff