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authorFelix Fietkau <nbd@openwrt.org>2011-03-13 18:38:37 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-03-13 18:38:37 +0000
commitb3c2781814e9473f1fb4a1b7caa518d0ed98a3de (patch)
tree0ad0e47fc5af3d1f3743024f8f7b5bb333149419 /package/mac80211/patches/520-mac80211_drv_tim_override.patch
parentb2b9c9a950d03afcf66a80dfb4592365bf1bd794 (diff)
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mac80211: update to wireless-testing 2011-03-11
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26128 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/520-mac80211_drv_tim_override.patch')
-rw-r--r--package/mac80211/patches/520-mac80211_drv_tim_override.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/package/mac80211/patches/520-mac80211_drv_tim_override.patch b/package/mac80211/patches/520-mac80211_drv_tim_override.patch
new file mode 100644
index 0000000000..535e35927e
--- /dev/null
+++ b/package/mac80211/patches/520-mac80211_drv_tim_override.patch
@@ -0,0 +1,73 @@
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -2216,6 +2216,18 @@ static inline int ieee80211_sta_ps_trans
+ #define IEEE80211_TX_STATUS_HEADROOM 13
+
+ /**
++ * ieee80211_sta_set_tim - set the TIM bit for a sleeping station
++ *
++ * If a driver buffers frames for a powersave station instead of passing
++ * them back to mac80211 for retransmission, the station needs to be told
++ * to wake up using the TIM bitmap in the beacon.
++ *
++ * This function sets the station's TIM bit - it will be cleared when the
++ * station wakes up.
++ */
++void ieee80211_sta_set_tim(struct ieee80211_sta *sta);
++
++/**
+ * ieee80211_tx_status - transmit status callback
+ *
+ * Call this function for all transmitted frames after they have been
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -608,7 +608,8 @@ static bool sta_info_cleanup_expire_buff
+ #endif
+ dev_kfree_skb(skb);
+
+- if (skb_queue_empty(&sta->ps_tx_buf))
++ if (skb_queue_empty(&sta->ps_tx_buf) &&
++ !test_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF))
+ sta_info_clear_tim_bit(sta);
+ }
+
+@@ -899,6 +900,7 @@ void ieee80211_sta_ps_deliver_wakeup(str
+ struct ieee80211_local *local = sdata->local;
+ int sent, buffered;
+
++ clear_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF);
+ if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
+ drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
+
+@@ -991,3 +993,12 @@ void ieee80211_sta_block_awake(struct ie
+ ieee80211_queue_work(hw, &sta->drv_unblock_wk);
+ }
+ EXPORT_SYMBOL(ieee80211_sta_block_awake);
++
++void ieee80211_sta_set_tim(struct ieee80211_sta *pubsta)
++{
++ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
++
++ set_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF);
++ sta_info_set_tim_bit(sta);
++}
++EXPORT_SYMBOL(ieee80211_sta_set_tim);
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -43,6 +43,8 @@
+ * be in the queues
+ * @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping
+ * station in power-save mode, reply when the driver unblocks.
++ * @WLAN_STA_PS_DRIVER_BUF: Station has frames pending in driver internal
++ * buffers. Automatically cleared on station wake-up.
+ */
+ enum ieee80211_sta_info_flags {
+ WLAN_STA_AUTH = 1<<0,
+@@ -58,6 +60,7 @@ enum ieee80211_sta_info_flags {
+ WLAN_STA_BLOCK_BA = 1<<11,
+ WLAN_STA_PS_DRIVER = 1<<12,
+ WLAN_STA_PSPOLL = 1<<13,
++ WLAN_STA_PS_DRIVER_BUF = 1<<14,
+ };
+
+ #define STA_TID_NUM 16