if (skb_queue_empty(&local->pending[queue])) {
rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list)
- netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
+ continue;
+ netif_wake_subqueue(sdata->dev, queue);
+ }
rcu_read_unlock();
} else
tasklet_schedule(&local->tx_pending_tasklet);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list)
- netif_tx_stop_queue(netdev_get_tx_queue(sdata->dev, queue));
+ netif_stop_subqueue(sdata->dev, queue);
rcu_read_unlock();
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
-int ieee80211_add_pending_skbs(struct ieee80211_local *local,
- struct sk_buff_head *skbs)
+int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
+ struct sk_buff_head *skbs,
+ void (*fn)(void *data), void *data)
{
struct ieee80211_hw *hw = &local->hw;
struct sk_buff *skb;
__skb_queue_tail(&local->pending[queue], skb);
}
+ if (fn)
+ fn(data);
+
for (i = 0; i < hw->queues; i++)
__ieee80211_wake_queue(hw, i,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
return ret;
}
+int ieee80211_add_pending_skbs(struct ieee80211_local *local,
+ struct sk_buff_head *skbs)
+{
+ return ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL);
+}
+
void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
enum queue_stop_reason reason)
{
list_for_each_entry(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case __NL80211_IFTYPE_AFTER_LAST:
- case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP_VLAN:
continue;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_MESH_POINT:
+ default:
break;
}
if (ieee80211_sdata_running(sdata))
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case __NL80211_IFTYPE_AFTER_LAST:
- case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP_VLAN:
continue;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_MESH_POINT:
+ default:
break;
}
if (ieee80211_sdata_running(sdata))
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len,
- enum ieee80211_band band)
+ enum ieee80211_band band, u32 rate_mask,
+ u8 channel)
{
struct ieee80211_supported_band *sband;
u8 *pos;
size_t offset = 0, noffset;
int supp_rates_len, i;
+ u8 rates[32];
+ int num_rates;
+ int ext_rates_len;
sband = local->hw.wiphy->bands[band];
pos = buffer;
- supp_rates_len = min_t(int, sband->n_bitrates, 8);
+ num_rates = 0;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((BIT(i) & rate_mask) == 0)
+ continue; /* skip rate */
+ rates[num_rates++] = (u8) (sband->bitrates[i].bitrate / 5);
+ }
+
+ supp_rates_len = min_t(int, num_rates, 8);
*pos++ = WLAN_EID_SUPP_RATES;
*pos++ = supp_rates_len;
-
- for (i = 0; i < supp_rates_len; i++) {
- int rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
- }
+ memcpy(pos, rates, supp_rates_len);
+ pos += supp_rates_len;
/* insert "request information" if in custom IEs */
if (ie && ie_len) {
offset = noffset;
}
- if (sband->n_bitrates > i) {
+ ext_rates_len = num_rates - supp_rates_len;
+ if (ext_rates_len > 0) {
*pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = sband->n_bitrates - i;
+ *pos++ = ext_rates_len;
+ memcpy(pos, rates + supp_rates_len, ext_rates_len);
+ pos += ext_rates_len;
+ }
- for (; i < sband->n_bitrates; i++) {
- int rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
- }
+ if (channel && sband->band == IEEE80211_BAND_2GHZ) {
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = channel;
}
/* insert custom IEs that go before HT */
u16 cap = sband->ht_cap.cap;
__le16 tmp;
- if (ieee80211_disable_40mhz_24ghz &&
- sband->band == IEEE80211_BAND_2GHZ) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- cap &= ~IEEE80211_HT_CAP_SGI_40;
- }
-
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
memset(pos, 0, sizeof(struct ieee80211_ht_cap));
return pos - buffer;
}
-void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
- const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
+ u8 *dst,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
size_t buf_len;
u8 *buf;
+ u8 chan;
/* FIXME: come up with a proper value */
buf = kmalloc(200 + ie_len, GFP_KERNEL);
if (!buf) {
printk(KERN_DEBUG "%s: failed to allocate temporary IE "
"buffer\n", sdata->name);
- return;
+ return NULL;
}
+ chan = ieee80211_frequency_to_channel(
+ local->hw.conf.channel->center_freq);
+
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
- local->hw.conf.channel->band);
+ local->hw.conf.channel->band,
+ sdata->rc_rateidx_mask
+ [local->hw.conf.channel->band],
+ chan);
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
ssid, ssid_len,
}
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
- ieee80211_tx_skb(sdata, skb);
kfree(buf);
+
+ return skb;
+}
+
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len)
+{
+ struct sk_buff *skb;
+
+ skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len);
+ if (skb)
+ ieee80211_tx_skb(sdata, skb);
}
u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
void ieee80211_stop_device(struct ieee80211_local *local)
{
ieee80211_led_radio(local, false);
+ ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO);
cancel_work_sync(&local->reconfig_filter);
struct sta_info *sta;
int res;
+#ifdef CONFIG_PM
if (local->suspended)
local->resuming = true;
+ if (local->wowlan) {
+ local->wowlan = false;
+ res = drv_resume(local);
+ if (res < 0) {
+ local->resuming = false;
+ return res;
+ }
+ if (res == 0)
+ goto wake_up;
+ WARN_ON(res > 1);
+ /*
+ * res is 1, which means the driver requested
+ * to go through a regular reset on wakeup.
+ */
+ }
+#endif
+
/* restart hardware */
if (local->open_count) {
/*
}
ieee80211_led_radio(local, true);
+ ieee80211_mod_tpt_led_trig(local,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
}
/* add interfaces */
}
mutex_unlock(&local->sta_mtx);
+ /* setup fragmentation threshold */
+ drv_set_frag_threshold(local, hw->wiphy->frag_threshold);
+
/* setup RTS threshold */
drv_set_rts_threshold(local, hw->wiphy->rts_threshold);
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC;
+ mutex_lock(&sdata->u.mgd.mtx);
ieee80211_bss_info_change_notify(sdata, changed);
+ mutex_unlock(&sdata->u.mgd.mtx);
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
/* ignore virtual */
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
WARN_ON(1);
break;
}
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
- ieee80211_sta_tear_down_BA_sessions(sta);
+ ieee80211_sta_tear_down_BA_sessions(sta, true);
clear_sta_flags(sta, WLAN_STA_BLOCK_BA);
}
if (ieee80211_sdata_running(sdata))
ieee80211_enable_keys(sdata);
+ wake_up:
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
}
}
- add_timer(&local->sta_cleanup);
+ mod_timer(&local->sta_cleanup, jiffies + 1);
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list)
}
/* must hold iflist_mtx */
-void ieee80211_recalc_smps(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *forsdata)
+void ieee80211_recalc_smps(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_OFF;
int count = 0;
- if (forsdata)
- WARN_ON(!mutex_is_locked(&forsdata->u.mgd.mtx));
-
- WARN_ON(!mutex_is_locked(&local->iflist_mtx));
+ lockdep_assert_held(&local->iflist_mtx);
/*
* This function could be improved to handle multiple
*/
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!netif_running(sdata->dev))
+ if (!ieee80211_sdata_running(sdata))
continue;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
goto set;
- if (sdata != forsdata) {
- /*
- * This nested is ok -- we are holding the iflist_mtx
- * so can't get here twice or so. But it's required
- * since normally we acquire it first and then the
- * iflist_mtx.
- */
- mutex_lock_nested(&sdata->u.mgd.mtx, SINGLE_DEPTH_NESTING);
- count += check_mgd_smps(&sdata->u.mgd, &smps_mode);
- mutex_unlock(&sdata->u.mgd.mtx);
- } else
- count += check_mgd_smps(&sdata->u.mgd, &smps_mode);
+
+ count += check_mgd_smps(&sdata->u.mgd, &smps_mode);
if (count > 1) {
smps_mode = IEEE80211_SMPS_OFF;
projects / firefly-linux-kernel-4.4.55.git / blobdiff