static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
{
+ enum ieee80211_band band = ieee80211_get_sdata_band(sta->sdata);
+
if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
struct ieee80211_supported_band *sband;
- sband = sta->local->hw.wiphy->bands[
- sta->local->oper_channel->band];
+ sband = sta->local->hw.wiphy->bands[band];
rate->legacy = sband->bitrates[idx].bitrate;
} else
rate->mcs = idx;
u64 *data)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *channel;
struct sta_info *sta;
struct ieee80211_local *local = sdata->local;
struct station_info sinfo;
do_survey:
i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
/* Get survey stats for current channel */
- q = 0;
- while (true) {
- survey.filled = 0;
- if (drv_get_survey(local, q, &survey) != 0) {
- survey.filled = 0;
- break;
- }
+ survey.filled = 0;
- if (survey.channel &&
- (local->oper_channel->center_freq ==
- survey.channel->center_freq))
- break;
- q++;
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (chanctx_conf)
+ channel = chanctx_conf->channel;
+ else
+ channel = NULL;
+ rcu_read_unlock();
+
+ if (channel) {
+ q = 0;
+ do {
+ survey.filled = 0;
+ if (drv_get_survey(local, q, &survey) != 0) {
+ survey.filled = 0;
+ break;
+ }
+ q++;
+ } while (channel != survey.channel);
}
if (survey.filled)
return ret;
}
-static int ieee80211_set_channel(struct wiphy *wiphy,
- struct net_device *netdev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type)
+static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
+ 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 ||
- (!sdata && local->_oper_channel_type != channel_type))
- return -EBUSY;
- if (!sdata && local->_oper_channel_type == channel_type)
- return 0;
- break;
- case CHAN_MODE_UNDEFINED:
- break;
- }
-
- if (!ieee80211_set_channel_type(local, sdata, channel_type))
- return -EBUSY;
+ struct ieee80211_sub_if_data *sdata;
+ int ret = 0;
- local->oper_channel = chan;
+ if (local->monitor_channel == chan &&
+ local->monitor_channel_type == channel_type)
+ return 0;
- /* auto-detects changes */
- ieee80211_hw_config(local, 0);
+ mutex_lock(&local->iflist_mtx);
+ if (local->use_chanctx) {
+ sdata = rcu_dereference_protected(
+ local->monitor_sdata,
+ lockdep_is_held(&local->iflist_mtx));
+ if (sdata) {
+ ieee80211_vif_release_channel(sdata);
+ ret = ieee80211_vif_use_channel(
+ sdata, chan, channel_type,
+ IEEE80211_CHANCTX_EXCLUSIVE);
+ }
+ } else if (local->open_count == local->monitors) {
+ local->_oper_channel = chan;
+ local->_oper_channel_type = channel_type;
+ ieee80211_hw_config(local, 0);
+ }
- return 0;
-}
+ if (ret == 0) {
+ local->monitor_channel = chan;
+ local->monitor_channel_type = channel_type;
+ }
+ mutex_unlock(&local->iflist_mtx);
-static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type)
-{
- return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
+ return ret;
}
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
if (old)
return -EALREADY;
- err = ieee80211_set_channel(wiphy, dev, params->channel,
- params->channel_type);
+ /* TODO: make hostapd tell us what it wants */
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
+ sdata->needed_rx_chains = sdata->local->rx_chains;
+
+ err = ieee80211_vif_use_channel(sdata, params->channel,
+ params->channel_type,
+ IEEE80211_CHANCTX_SHARED);
if (err)
return err;
return err;
changed |= err;
+ err = drv_start_ap(sdata->local, sdata);
+ if (err) {
+ old = rtnl_dereference(sdata->u.ap.beacon);
+ if (old)
+ kfree_rcu(old, rcu_head);
+ RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
+ return err;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
netif_carrier_on(dev);
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
- struct ieee80211_sub_if_data *sdata, *vlan;
- struct beacon_data *old;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *vlan;
+ struct ieee80211_local *local = sdata->local;
+ struct beacon_data *old_beacon;
+ struct probe_resp *old_probe_resp;
- old = rtnl_dereference(sdata->u.ap.beacon);
- if (!old)
+ old_beacon = rtnl_dereference(sdata->u.ap.beacon);
+ if (!old_beacon)
return -ENOENT;
+ old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
+ /* turn off carrier for this interface and dependent VLANs */
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
netif_carrier_off(vlan->dev);
netif_carrier_off(dev);
+ /* remove beacon and probe response */
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
+ RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
+ kfree_rcu(old_beacon, rcu_head);
+ if (old_probe_resp)
+ kfree_rcu(old_probe_resp, rcu_head);
- kfree_rcu(old, rcu_head);
-
- sta_info_flush(sdata->local, sdata);
+ sta_info_flush(local, sdata);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+ drv_stop_ap(sdata->local, sdata);
+
+ /* free all potentially still buffered bcast frames */
+ local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
+ skb_queue_purge(&sdata->u.ap.ps.bc_buf);
+
+ ieee80211_vif_release_channel(sdata);
+
return 0;
}
int i, j;
struct ieee80211_supported_band *sband;
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
u32 mask, set;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
+ sband = local->hw.wiphy->bands[band];
mask = params->sta_flags_mask;
set = params->sta_flags_set;
rates |= BIT(j);
}
}
- sta->sta.supp_rates[local->oper_channel->band] = rates;
+ sta->sta.supp_rates[band] = rates;
}
if (params->ht_capa)
params->ht_capa,
&sta->sta.ht_cap);
+ if (params->vht_capa)
+ ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
+ params->vht_capa,
+ &sta->sta.vht_cap);
+
if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
if (err)
return err;
- err = ieee80211_set_channel(wiphy, dev, setup->channel,
- setup->channel_type);
+ /* can mesh use other SMPS modes? */
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
+ sdata->needed_rx_chains = sdata->local->rx_chains;
+
+ err = ieee80211_vif_use_channel(sdata, setup->channel,
+ setup->channel_type,
+ IEEE80211_CHANCTX_SHARED);
if (err)
return err;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ieee80211_stop_mesh(sdata);
+ ieee80211_vif_release_channel(sdata);
return 0;
}
struct net_device *dev,
struct bss_parameters *params)
{
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ enum ieee80211_band band;
u32 changed = 0;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (!rtnl_dereference(sdata->u.ap.beacon))
+ return -ENOENT;
+
+ band = ieee80211_get_sdata_band(sdata);
if (params->use_cts_prot >= 0) {
sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
}
if (!sdata->vif.bss_conf.use_short_slot &&
- sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
+ band == IEEE80211_BAND_5GHZ) {
sdata->vif.bss_conf.use_short_slot = true;
changed |= BSS_CHANGED_ERP_SLOT;
}
if (params->basic_rates) {
int i, j;
u32 rates = 0;
- struct ieee80211_local *local = wiphy_priv(wiphy);
- struct ieee80211_supported_band *sband =
- wiphy->bands[local->oper_channel->band];
+ struct ieee80211_supported_band *sband = wiphy->bands[band];
for (i = 0; i < params->basic_rates_len; i++) {
int rate = (params->basic_rates[i] & 0x7f) * 5;
* beaconing hasn't been configured yet
*/
case NL80211_IFTYPE_AP:
- if (sdata->u.ap.beacon)
+ /*
+ * If the scan has been forced (and the driver supports
+ * forcing), don't care about being beaconing already.
+ * This will create problems to the attached stations (e.g. all
+ * the frames sent while scanning on other channel will be
+ * lost)
+ */
+ if (sdata->u.ap.beacon &&
+ (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
+ !(req->flags & NL80211_SCAN_FLAG_AP)))
return -EOPNOTSUPP;
break;
default:
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);
+ return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
}
static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- return ieee80211_ibss_leave(sdata);
+ return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
}
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
}
static int ieee80211_set_tx_power(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
enum nl80211_tx_power_setting type, int mbm)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
- struct ieee80211_channel *chan = local->oper_channel;
- u32 changes = 0;
+ struct ieee80211_sub_if_data *sdata;
+
+ if (wdev) {
+ sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+
+ switch (type) {
+ case NL80211_TX_POWER_AUTOMATIC:
+ sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
+ break;
+ case NL80211_TX_POWER_LIMITED:
+ case NL80211_TX_POWER_FIXED:
+ if (mbm < 0 || (mbm % 100))
+ return -EOPNOTSUPP;
+ sdata->user_power_level = MBM_TO_DBM(mbm);
+ break;
+ }
+
+ ieee80211_recalc_txpower(sdata);
+
+ return 0;
+ }
switch (type) {
case NL80211_TX_POWER_AUTOMATIC:
- local->user_power_level = -1;
+ local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
break;
case NL80211_TX_POWER_LIMITED:
- if (mbm < 0 || (mbm % 100))
- return -EOPNOTSUPP;
- local->user_power_level = MBM_TO_DBM(mbm);
- break;
case NL80211_TX_POWER_FIXED:
if (mbm < 0 || (mbm % 100))
return -EOPNOTSUPP;
- /* TODO: move to cfg80211 when it knows the channel */
- if (MBM_TO_DBM(mbm) > chan->max_power)
- return -EINVAL;
local->user_power_level = MBM_TO_DBM(mbm);
break;
}
- ieee80211_hw_config(local, changes);
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list)
+ sdata->user_power_level = local->user_power_level;
+ list_for_each_entry(sdata, &local->interfaces, list)
+ ieee80211_recalc_txpower(sdata);
+ mutex_unlock(&local->iflist_mtx);
return 0;
}
-static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
+static int ieee80211_get_tx_power(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ int *dbm)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- *dbm = local->hw.conf.power_level;
+ if (!local->use_chanctx)
+ *dbm = local->hw.conf.power_level;
+ else
+ *dbm = sdata->vif.bss_conf.txpower;
return 0;
}
/*
* If not associated, or current association is not an HT
- * association, there's no need to send an action frame.
+ * association, there's no need to do anything, just store
+ * the new value until we associate.
*/
if (!sdata->u.mgd.associated ||
- sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
- ieee80211_recalc_smps(sdata->local);
+ sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
return 0;
- }
ap = sdata->u.mgd.associated->bssid;
lockdep_assert_held(&local->mtx);
+ if (local->use_chanctx && !local->ops->remain_on_channel)
+ return -EOPNOTSUPP;
+
roc = kzalloc(sizeof(*roc), GFP_KERNEL);
if (!roc)
return -ENOMEM;
/* Check if the operating channel is the requested channel */
if (!need_offchan) {
- need_offchan = chan != local->oper_channel;
- if (channel_type_valid &&
- channel_type != local->_oper_channel_type)
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+
+ if (chanctx_conf) {
+ need_offchan = chan != chanctx_conf->channel;
+ if (channel_type_valid &&
+ channel_type != chanctx_conf->channel_type)
+ need_offchan = true;
+ } else {
need_offchan = true;
+ }
+ rcu_read_unlock();
}
if (need_offchan && !offchan) {
u16 capab;
capab = 0;
- if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
+ if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
return capab;
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
+ enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_tdls_data *tf;
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false,
- local->oper_channel->band);
- ieee80211_add_ext_srates_ie(sdata, skb, false,
- local->oper_channel->band);
+ ieee80211_add_srates_ie(sdata, skb, false, band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false,
- local->oper_channel->band);
- ieee80211_add_ext_srates_ie(sdata, skb, false,
- local->oper_channel->band);
+ ieee80211_add_srates_ie(sdata, skb, false, band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
+ enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_mgmt *mgmt;
mgmt = (void *)skb_put(skb, 24);
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false,
- local->oper_channel->band);
- ieee80211_add_ext_srates_ie(sdata, skb, false,
- local->oper_channel->band);
+ ieee80211_add_srates_ie(sdata, skb, false, band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- struct ieee80211_tx_info *info;
struct sk_buff *skb = NULL;
bool send_direct;
int ret;
if (!skb)
return -ENOMEM;
- info = IEEE80211_SKB_CB(skb);
skb_reserve(skb, local->hw.extra_tx_headroom);
switch (action_code) {
bool qos;
struct ieee80211_tx_info *info;
struct sta_info *sta;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum ieee80211_band band;
rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+ band = chanctx_conf->channel->band;
sta = sta_info_get(sdata, peer);
if (sta) {
qos = test_sta_flag(sta, WLAN_STA_WME);
- rcu_read_unlock();
} else {
rcu_read_unlock();
return -ENOLINK;
}
skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
- if (!skb)
+ if (!skb) {
+ rcu_read_unlock();
return -ENOMEM;
+ }
skb->dev = dev;
nullfunc->qos_ctrl = cpu_to_le16(7);
local_bh_disable();
- ieee80211_xmit(sdata, skb);
+ ieee80211_xmit(sdata, skb, band);
local_bh_enable();
+ rcu_read_unlock();
*cookie = (unsigned long) skb;
return 0;
ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
enum nl80211_channel_type *type)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *chan = NULL;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (chanctx_conf) {
+ *type = chanctx_conf->channel_type;
+ chan = chanctx_conf->channel;
+ }
+ rcu_read_unlock();
- *type = local->_oper_channel_type;
- return local->oper_channel;
+ return chan;
}
#ifdef CONFIG_PM
projects / linux.git / blobdiff