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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c215
1 files changed, 42 insertions, 173 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 8fb85c3a043d..85c3ca33333e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -561,23 +561,19 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
beaconint_us = ieee80211_tu_to_usec(
found->vif.bss_conf.beacon_int);
- timeout = local->hw.conf.dynamic_ps_forced_timeout;
+ timeout = local->dynamic_ps_forced_timeout;
if (timeout < 0) {
/*
+ * Go to full PSM if the user configures a very low
+ * latency requirement.
* The 2 second value is there for compatibility until
* the PM_QOS_NETWORK_LATENCY is configured with real
* values.
*/
- if (latency == 2000000000)
- timeout = 100;
- else if (latency <= 50000)
- timeout = 300;
- else if (latency <= 100000)
- timeout = 100;
- else if (latency <= 500000)
- timeout = 50;
- else
+ if (latency > 1900000000 && latency != 2000000000)
timeout = 0;
+ else
+ timeout = 100;
}
local->hw.conf.dynamic_ps_timeout = timeout;
@@ -806,11 +802,12 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_bss *bss = (void *)cbss->priv;
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
bss_info_changed |= BSS_CHANGED_ASSOC;
/* set timing information */
- sdata->vif.bss_conf.beacon_int = cbss->beacon_interval;
- sdata->vif.bss_conf.timestamp = cbss->tsf;
+ bss_conf->beacon_int = cbss->beacon_interval;
+ bss_conf->timestamp = cbss->tsf;
bss_info_changed |= BSS_CHANGED_BEACON_INT;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,
@@ -835,7 +832,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_led_assoc(local, 1);
- sdata->vif.bss_conf.assoc = 1;
+ bss_conf->assoc = 1;
/*
* For now just always ask the driver to update the basic rateset
* when we have associated, we aren't checking whether it actually
@@ -848,9 +845,15 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
/* Tell the driver to monitor connection quality (if supported) */
if ((local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI) &&
- sdata->vif.bss_conf.cqm_rssi_thold)
+ bss_conf->cqm_rssi_thold)
bss_info_changed |= BSS_CHANGED_CQM;
+ /* Enable ARP filtering */
+ if (bss_conf->arp_filter_enabled != sdata->arp_filter_state) {
+ bss_conf->arp_filter_enabled = sdata->arp_filter_state;
+ bss_info_changed |= BSS_CHANGED_ARP_FILTER;
+ }
+
ieee80211_bss_info_change_notify(sdata, bss_info_changed);
mutex_lock(&local->iflist_mtx);
@@ -898,13 +901,13 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
- rcu_read_lock();
+ mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, bssid);
if (sta) {
- set_sta_flags(sta, WLAN_STA_DISASSOC);
+ set_sta_flags(sta, WLAN_STA_BLOCK_BA);
ieee80211_sta_tear_down_BA_sessions(sta);
}
- rcu_read_unlock();
+ mutex_unlock(&local->sta_mtx);
changed |= ieee80211_reset_erp_info(sdata);
@@ -932,6 +935,12 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_hw_config(local, config_changed);
+ /* Disable ARP filtering */
+ if (sdata->vif.bss_conf.arp_filter_enabled) {
+ sdata->vif.bss_conf.arp_filter_enabled = false;
+ changed |= BSS_CHANGED_ARP_FILTER;
+ }
+
/* The BSSID (not really interesting) and HT changed */
changed |= BSS_CHANGED_BSSID | BSS_CHANGED_HT;
ieee80211_bss_info_change_notify(sdata, changed);
@@ -1633,35 +1642,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_bss_info_change_notify(sdata, changed);
}
-ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_mgmt *mgmt;
- u16 fc;
-
- if (skb->len < 24)
- return RX_DROP_MONITOR;
-
- mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = le16_to_cpu(mgmt->frame_control);
-
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_RESP:
- case IEEE80211_STYPE_BEACON:
- case IEEE80211_STYPE_DEAUTH:
- case IEEE80211_STYPE_DISASSOC:
- case IEEE80211_STYPE_ACTION:
- skb_queue_tail(&sdata->u.mgd.skb_queue, skb);
- ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
- return RX_QUEUED;
- }
-
- return RX_DROP_MONITOR;
-}
-
-static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb)
+void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_rx_status *rx_status;
@@ -1693,44 +1675,6 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
break;
case IEEE80211_STYPE_ACTION:
switch (mgmt->u.action.category) {
- case WLAN_CATEGORY_BACK: {
- struct ieee80211_local *local = sdata->local;
- int len = skb->len;
- struct sta_info *sta;
-
- rcu_read_lock();
- sta = sta_info_get(sdata, mgmt->sa);
- if (!sta) {
- rcu_read_unlock();
- break;
- }
-
- local_bh_disable();
-
- switch (mgmt->u.action.u.addba_req.action_code) {
- case WLAN_ACTION_ADDBA_REQ:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.addba_req)))
- break;
- ieee80211_process_addba_request(local, sta, mgmt, len);
- break;
- case WLAN_ACTION_ADDBA_RESP:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.addba_resp)))
- break;
- ieee80211_process_addba_resp(local, sta, mgmt, len);
- break;
- case WLAN_ACTION_DELBA:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.delba)))
- break;
- ieee80211_process_delba(sdata, sta, mgmt, len);
- break;
- }
- local_bh_enable();
- rcu_read_unlock();
- break;
- }
case WLAN_CATEGORY_SPECTRUM_MGMT:
ieee80211_sta_process_chanswitch(sdata,
&mgmt->u.action.u.chan_switch.sw_elem,
@@ -1754,7 +1698,7 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
default:
WARN(1, "unexpected: %d", rma);
}
- goto out;
+ return;
}
mutex_unlock(&ifmgd->mtx);
@@ -1799,8 +1743,6 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
}
- out:
- kfree_skb(skb);
}
static void ieee80211_sta_timer(unsigned long data)
@@ -1815,39 +1757,13 @@ static void ieee80211_sta_timer(unsigned long data)
return;
}
- ieee80211_queue_work(&local->hw, &ifmgd->work);
+ ieee80211_queue_work(&local->hw, &sdata->work);
}
-static void ieee80211_sta_work(struct work_struct *work)
+void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.mgd.work);
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_managed *ifmgd;
- struct sk_buff *skb;
-
- if (!ieee80211_sdata_running(sdata))
- return;
-
- if (local->scanning)
- return;
-
- if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
- return;
-
- /*
- * ieee80211_queue_work() should have picked up most cases,
- * here we'll pick the rest.
- */
- if (WARN(local->suspended, "STA MLME work scheduled while "
- "going to suspend\n"))
- return;
-
- ifmgd = &sdata->u.mgd;
-
- /* first process frames to avoid timing out while a frame is pending */
- while ((skb = skb_dequeue(&ifmgd->skb_queue)))
- ieee80211_sta_rx_queued_mgmt(sdata, skb);
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
/* then process the rest of the work */
mutex_lock(&ifmgd->mtx);
@@ -1942,8 +1858,7 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.monitor_work);
/* and do all the other regular work too */
- ieee80211_queue_work(&sdata->local->hw,
- &sdata->u.mgd.work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
}
@@ -1958,7 +1873,6 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
* time -- the code here is properly synchronised.
*/
- cancel_work_sync(&ifmgd->work);
cancel_work_sync(&ifmgd->beacon_connection_loss_work);
if (del_timer_sync(&ifmgd->timer))
set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -1990,7 +1904,6 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_managed *ifmgd;
ifmgd = &sdata->u.mgd;
- INIT_WORK(&ifmgd->work, ieee80211_sta_work);
INIT_WORK(&ifmgd->monitor_work, ieee80211_sta_monitor_work);
INIT_WORK(&ifmgd->chswitch_work, ieee80211_chswitch_work);
INIT_WORK(&ifmgd->beacon_connection_loss_work,
@@ -2003,7 +1916,6 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
(unsigned long) sdata);
setup_timer(&ifmgd->chswitch_timer, ieee80211_chswitch_timer,
(unsigned long) sdata);
- skb_queue_head_init(&ifmgd->skb_queue);
ifmgd->flags = 0;
@@ -2152,18 +2064,9 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
cfg80211_send_assoc_timeout(wk->sdata->dev,
wk->filter_ta);
return WORK_DONE_DESTROY;
- } else {
- mutex_unlock(&wk->sdata->u.mgd.mtx);
-#ifdef CONFIG_INET
- /*
- * configure ARP filter IP addresses to the driver,
- * intentionally outside the mgd mutex.
- */
- rtnl_lock();
- ieee80211_set_arp_filter(wk->sdata);
- rtnl_unlock();
-#endif
}
+
+ mutex_unlock(&wk->sdata->u.mgd.mtx);
}
cfg80211_send_rx_assoc(wk->sdata->dev, skb->data, skb->len);
@@ -2292,14 +2195,16 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_work *wk;
- const u8 *bssid = req->bss->bssid;
+ u8 bssid[ETH_ALEN];
+ bool assoc_bss = false;
mutex_lock(&ifmgd->mtx);
+ memcpy(bssid, req->bss->bssid, ETH_ALEN);
if (ifmgd->associated == req->bss) {
- bssid = req->bss->bssid;
- ieee80211_set_disassoc(sdata, true);
+ ieee80211_set_disassoc(sdata, false);
mutex_unlock(&ifmgd->mtx);
+ assoc_bss = true;
} else {
bool not_auth_yet = false;
@@ -2345,6 +2250,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH,
req->reason_code, cookie,
!req->local_state_change);
+ if (assoc_bss)
+ sta_info_destroy_addr(sdata, bssid);
ieee80211_recalc_idle(sdata->local);
@@ -2389,44 +2296,6 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
return 0;
}
-int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- bool channel_type_valid,
- const u8 *buf, size_t len, u64 *cookie)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct sk_buff *skb;
-
- /* Check that we are on the requested channel for transmission */
- if (chan != local->tmp_channel &&
- chan != local->oper_channel)
- return -EBUSY;
- if (channel_type_valid &&
- (channel_type != local->tmp_channel_type &&
- channel_type != local->_oper_channel_type))
- return -EBUSY;
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
- if (!skb)
- return -ENOMEM;
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- memcpy(skb_put(skb, len), buf, len);
-
- if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
- IEEE80211_SKB_CB(skb)->flags |=
- IEEE80211_TX_INTFL_DONT_ENCRYPT;
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_NL80211_FRAME_TX |
- IEEE80211_TX_CTL_REQ_TX_STATUS;
- skb->dev = sdata->dev;
- ieee80211_tx_skb(sdata, skb);
-
- *cookie = (unsigned long) skb;
- return 0;
-}
-
void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
enum nl80211_cqm_rssi_threshold_event rssi_event,
gfp_t gfp)