sta_info.c (5108ca828017120981880eeec8a9ec369334a899) sta_info.c (e3685e03b40f5ec7926d9a75bf63467fc4071df9)
1/*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */

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94static void __cleanup_single_sta(struct sta_info *sta)
95{
96 int ac, i;
97 struct tid_ampdu_tx *tid_tx;
98 struct ieee80211_sub_if_data *sdata = sta->sdata;
99 struct ieee80211_local *local = sdata->local;
100 struct ps_data *ps;
101
1/*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */

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94static void __cleanup_single_sta(struct sta_info *sta)
95{
96 int ac, i;
97 struct tid_ampdu_tx *tid_tx;
98 struct ieee80211_sub_if_data *sdata = sta->sdata;
99 struct ieee80211_local *local = sdata->local;
100 struct ps_data *ps;
101
102 if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
102 if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
103 test_sta_flag(sta, WLAN_STA_PS_DRIVER)) {
103 if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
104 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
105 ps = &sdata->bss->ps;
106 else if (ieee80211_vif_is_mesh(&sdata->vif))
107 ps = &sdata->u.mesh.ps;
108 else
109 return;
110
111 clear_sta_flag(sta, WLAN_STA_PS_STA);
104 if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
105 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
106 ps = &sdata->bss->ps;
107 else if (ieee80211_vif_is_mesh(&sdata->vif))
108 ps = &sdata->u.mesh.ps;
109 else
110 return;
111
112 clear_sta_flag(sta, WLAN_STA_PS_STA);
113 clear_sta_flag(sta, WLAN_STA_PS_DRIVER);
112
113 atomic_dec(&ps->num_sta_ps);
114 sta_info_recalc_tim(sta);
115 }
116
117 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
118 local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
119 ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);

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1085
1086 if (!sta->uploaded)
1087 return NULL;
1088
1089 return &sta->sta;
1090}
1091EXPORT_SYMBOL(ieee80211_find_sta);
1092
114
115 atomic_dec(&ps->num_sta_ps);
116 sta_info_recalc_tim(sta);
117 }
118
119 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
120 local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
121 ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);

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1087
1088 if (!sta->uploaded)
1089 return NULL;
1090
1091 return &sta->sta;
1092}
1093EXPORT_SYMBOL(ieee80211_find_sta);
1094
1093static void clear_sta_ps_flags(void *_sta)
1095/* powersave support code */
1096void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
1094{
1097{
1095 struct sta_info *sta = _sta;
1096 struct ieee80211_sub_if_data *sdata = sta->sdata;
1098 struct ieee80211_sub_if_data *sdata = sta->sdata;
1099 struct ieee80211_local *local = sdata->local;
1100 struct sk_buff_head pending;
1101 int filtered = 0, buffered = 0, ac;
1102 unsigned long flags;
1097 struct ps_data *ps;
1098
1099 if (sdata->vif.type == NL80211_IFTYPE_AP ||
1100 sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
1101 ps = &sdata->bss->ps;
1102 else if (ieee80211_vif_is_mesh(&sdata->vif))
1103 ps = &sdata->u.mesh.ps;
1104 else
1105 return;
1106
1103 struct ps_data *ps;
1104
1105 if (sdata->vif.type == NL80211_IFTYPE_AP ||
1106 sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
1107 ps = &sdata->bss->ps;
1108 else if (ieee80211_vif_is_mesh(&sdata->vif))
1109 ps = &sdata->u.mesh.ps;
1110 else
1111 return;
1112
1107 clear_sta_flag(sta, WLAN_STA_PS_DRIVER);
1108 if (test_and_clear_sta_flag(sta, WLAN_STA_PS_STA))
1109 atomic_dec(&ps->num_sta_ps);
1110}
1111
1112/* powersave support code */
1113void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
1114{
1115 struct ieee80211_sub_if_data *sdata = sta->sdata;
1116 struct ieee80211_local *local = sdata->local;
1117 struct sk_buff_head pending;
1118 int filtered = 0, buffered = 0, ac;
1119 unsigned long flags;
1120
1121 clear_sta_flag(sta, WLAN_STA_SP);
1122
1123 BUILD_BUG_ON(BITS_TO_LONGS(IEEE80211_NUM_TIDS) > 1);
1124 sta->driver_buffered_tids = 0;
1125
1126 if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
1127 drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
1128

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1143
1144 spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);
1145 skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending);
1146 spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);
1147 tmp = skb_queue_len(&pending);
1148 buffered += tmp - count;
1149 }
1150
1113 clear_sta_flag(sta, WLAN_STA_SP);
1114
1115 BUILD_BUG_ON(BITS_TO_LONGS(IEEE80211_NUM_TIDS) > 1);
1116 sta->driver_buffered_tids = 0;
1117
1118 if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
1119 drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
1120

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1135
1136 spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);
1137 skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending);
1138 spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);
1139 tmp = skb_queue_len(&pending);
1140 buffered += tmp - count;
1141 }
1142
1151 ieee80211_add_pending_skbs_fn(local, &pending, clear_sta_ps_flags, sta);
1143 ieee80211_add_pending_skbs(local, &pending);
1144 clear_sta_flag(sta, WLAN_STA_PS_DRIVER);
1145 clear_sta_flag(sta, WLAN_STA_PS_STA);
1152 spin_unlock(&sta->ps_lock);
1153
1146 spin_unlock(&sta->ps_lock);
1147
1148 atomic_dec(&ps->num_sta_ps);
1149
1154 /* This station just woke up and isn't aware of our SMPS state */
1155 if (!ieee80211_smps_is_restrictive(sta->known_smps_mode,
1156 sdata->smps_mode) &&
1157 sta->known_smps_mode != sdata->bss->req_smps &&
1158 sta_info_tx_streams(sta) != 1) {
1159 ht_dbg(sdata,
1160 "%pM just woke up and MIMO capable - update SMPS\n",
1161 sta->sta.addr);

--- 547 unchanged lines hidden --- 		1150 /* This station just woke up and isn't aware of our SMPS state */
1151 if (!ieee80211_smps_is_restrictive(sta->known_smps_mode,
1152 sdata->smps_mode) &&
1153 sta->known_smps_mode != sdata->bss->req_smps &&
1154 sta_info_tx_streams(sta) != 1) {
1155 ht_dbg(sdata,
1156 "%pM just woke up and MIMO capable - update SMPS\n",
1157 sta->sta.addr);

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