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-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/mlme.c93
-rw-r--r--net/mac80211/status.c18
3 files changed, 79 insertions, 35 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 66b0b52..e7c8807 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -357,6 +357,7 @@ struct ieee80211_if_managed {
unsigned long beacon_timeout;
unsigned long probe_timeout;
int probe_send_count;
+ bool nullfunc_failed;
struct mutex mtx;
struct cfg80211_bss *associated;
@@ -1271,7 +1272,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr);
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr);
+ struct ieee80211_hdr *hdr, bool ack);
void ieee80211_beacon_connection_loss_work(struct work_struct *work);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index f570801..3a1dde3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1065,16 +1065,20 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
}
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr)
+ struct ieee80211_hdr *hdr, bool ack)
{
if (!ieee80211_is_data(hdr->frame_control))
return;
- ieee80211_sta_reset_conn_monitor(sdata);
+ if (ack)
+ ieee80211_sta_reset_conn_monitor(sdata);
if (ieee80211_is_nullfunc(hdr->frame_control) &&
sdata->u.mgd.probe_send_count > 0) {
- sdata->u.mgd.probe_send_count = 0;
+ if (ack)
+ sdata->u.mgd.probe_send_count = 0;
+ else
+ sdata->u.mgd.nullfunc_failed = true;
ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
}
@@ -1101,9 +1105,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
* anymore. The timeout will be reset if the frame is ACKed by
* the AP.
*/
- if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+ ifmgd->nullfunc_failed = false;
ieee80211_send_nullfunc(sdata->local, sdata, 0);
- else {
+ } else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
}
@@ -1912,6 +1917,31 @@ static void ieee80211_sta_timer(unsigned long data)
ieee80211_queue_work(&local->hw, &sdata->work);
}
+static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
+ u8 *bssid)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
+
+ ieee80211_set_disassoc(sdata, true, true);
+ mutex_unlock(&ifmgd->mtx);
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+ /*
+ * must be outside lock due to cfg80211,
+ * but that's not a problem.
+ */
+ ieee80211_send_deauth_disassoc(sdata, bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ NULL, true);
+ mutex_lock(&ifmgd->mtx);
+}
+
void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
@@ -1936,11 +1966,38 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
/* ACK received for nullfunc probing frame */
if (!ifmgd->probe_send_count)
ieee80211_reset_ap_probe(sdata);
-
- else if (time_is_after_jiffies(ifmgd->probe_timeout))
+ else if (ifmgd->nullfunc_failed) {
+ if (ifmgd->probe_send_count < max_tries) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: No ack for nullfunc frame to"
+ " AP %pM, try %d\n",
+ sdata->name, bssid,
+ ifmgd->probe_send_count);
+#endif
+ ieee80211_mgd_probe_ap_send(sdata);
+ } else {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: No ack for nullfunc frame to"
+ " AP %pM, disconnecting.\n",
+ sdata->name, bssid,
+ ifmgd->probe_send_count);
+#endif
+ ieee80211_sta_connection_lost(sdata, bssid);
+ }
+ } else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
-
- else if (ifmgd->probe_send_count < max_tries) {
+ else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(local->hw.wiphy,
+ "%s: Failed to send nullfunc to AP %pM"
+ " after %dms, disconnecting.\n",
+ sdata->name,
+ bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
+#endif
+ ieee80211_sta_connection_lost(sdata, bssid);
+ } else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
"%s: No probe response from AP %pM"
@@ -1955,27 +2012,13 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
* We actually lost the connection ... or did we?
* Let's make sure!
*/
- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
wiphy_debug(local->hw.wiphy,
"%s: No probe response from AP %pM"
" after %dms, disconnecting.\n",
sdata->name,
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
- ieee80211_set_disassoc(sdata, true, true);
- mutex_unlock(&ifmgd->mtx);
- mutex_lock(&local->mtx);
- ieee80211_recalc_idle(local);
- mutex_unlock(&local->mtx);
- /*
- * must be outside lock due to cfg80211,
- * but that's not a problem.
- */
- ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL, true);
- mutex_lock(&ifmgd->mtx);
+
+ ieee80211_sta_connection_lost(sdata, bssid);
}
}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 4958710..38a7972 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -155,10 +155,6 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
ieee80211_queue_work(&local->hw, &local->recalc_smps);
}
-
- if ((sdata->vif.type == NL80211_IFTYPE_STATION) &&
- (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
- ieee80211_sta_tx_notify(sdata, (void *) skb->data);
}
/*
@@ -186,6 +182,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
int retry_count = -1, i;
int rates_idx = -1;
bool send_to_cooked;
+ bool acked;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
/* the HW cannot have attempted that rate */
@@ -211,8 +208,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
continue;
- if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
- test_sta_flags(sta, WLAN_STA_PS_STA)) {
+ acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ if (!acked && test_sta_flags(sta, WLAN_STA_PS_STA)) {
/*
* The STA is in power save mode, so assume
* that this TX packet failed because of that.
@@ -244,7 +241,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
rcu_read_unlock();
return;
} else {
- if (!(info->flags & IEEE80211_TX_STAT_ACK))
+ if (!acked)
sta->tx_retry_failed++;
sta->tx_retry_count += retry_count;
}
@@ -253,10 +250,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
ieee80211s_update_metric(local, sta, skb);
- if (!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
- (info->flags & IEEE80211_TX_STAT_ACK))
+ if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
ieee80211_frame_acked(sta, skb);
+ if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) &&
+ (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+ ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data, acked);
+
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (sta->lost_packets)
generated by cgit v1.1 at 2024-06-21 19:17:40 +0000