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2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad 
 kernel/net/mac80211/ht.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * HT handling
34  *
....@@ -8,10 +9,7 @@
89  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
910  * Copyright 2007-2010, Intel Corporation
1011  * Copyright 2017	Intel Deutschland GmbH
11
- *
12
- * This program is free software; you can redistribute it and/or modify
13
- * it under the terms of the GNU General Public License version 2 as
14
- * published by the Free Software Foundation.
12
+ * Copyright(c) 2020 Intel Corporation
1513  */
1614 
1715 #include <linux/ieee80211.h>
....@@ -107,6 +105,15 @@
107105 	__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
108106 			     IEEE80211_HT_CAP_40MHZ_INTOLERANT);
109107 
108
+	/* Allow user to enable TX STBC bit  */
109
+	__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
110
+			     IEEE80211_HT_CAP_TX_STBC);
111
+
112
+	/* Allow user to configure RX STBC bits */
113
+	if (ht_capa_mask->cap_info & cpu_to_le16(IEEE80211_HT_CAP_RX_STBC))
114
+		ht_cap->cap |= le16_to_cpu(ht_capa->cap_info) &
115
+					IEEE80211_HT_CAP_RX_STBC;
116
+
110117 	/* Allow user to decrease AMPDU factor */
111118 	if (ht_capa_mask->ampdu_params_info &
112119 	    IEEE80211_HT_AMPDU_PARM_FACTOR) {
....@@ -138,7 +145,6 @@
138145 	int i, max_tx_streams;
139146 	bool changed;
140147 	enum ieee80211_sta_rx_bandwidth bw;
141
-	enum ieee80211_smps_mode smps_mode;
142148 
143149 	memset(&ht_cap, 0, sizeof(ht_cap));
144150 
....@@ -244,7 +250,7 @@
244250 	switch (sdata->vif.bss_conf.chandef.width) {
245251 	default:
246252 		WARN_ON_ONCE(1);
247
-		/* fall through */
253
+		fallthrough;
248254 	case NL80211_CHAN_WIDTH_20_NOHT:
249255 	case NL80211_CHAN_WIDTH_20:
250256 		bw = IEEE80211_STA_RX_BW_20;
....@@ -264,24 +270,30 @@
264270 		ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
265271 				IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20;
266272 
267
-	switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS)
268
-			>> IEEE80211_HT_CAP_SM_PS_SHIFT) {
269
-	case WLAN_HT_CAP_SM_PS_INVALID:
270
-	case WLAN_HT_CAP_SM_PS_STATIC:
271
-		smps_mode = IEEE80211_SMPS_STATIC;
272
-		break;
273
-	case WLAN_HT_CAP_SM_PS_DYNAMIC:
274
-		smps_mode = IEEE80211_SMPS_DYNAMIC;
275
-		break;
276
-	case WLAN_HT_CAP_SM_PS_DISABLED:
277
-		smps_mode = IEEE80211_SMPS_OFF;
278
-		break;
273
+	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
274
+	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
275
+		enum ieee80211_smps_mode smps_mode;
276
+
277
+		switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS)
278
+				>> IEEE80211_HT_CAP_SM_PS_SHIFT) {
279
+		case WLAN_HT_CAP_SM_PS_INVALID:
280
+		case WLAN_HT_CAP_SM_PS_STATIC:
281
+			smps_mode = IEEE80211_SMPS_STATIC;
282
+			break;
283
+		case WLAN_HT_CAP_SM_PS_DYNAMIC:
284
+			smps_mode = IEEE80211_SMPS_DYNAMIC;
285
+			break;
286
+		case WLAN_HT_CAP_SM_PS_DISABLED:
287
+			smps_mode = IEEE80211_SMPS_OFF;
288
+			break;
289
+		}
290
+
291
+		if (smps_mode != sta->sta.smps_mode)
292
+			changed = true;
293
+		sta->sta.smps_mode = smps_mode;
294
+	} else {
295
+		sta->sta.smps_mode = IEEE80211_SMPS_OFF;
279296 	}
280
-
281
-	if (smps_mode != sta->sta.smps_mode)
282
-		changed = true;
283
-	sta->sta.smps_mode = smps_mode;
284
-
285297 	return changed;
286298 }
287299 
....@@ -353,7 +365,7 @@
353365 				       sta->ampdu_mlme.tid_rx_manage_offl))
354366 			___ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
355367 							 IEEE80211_MAX_AMPDU_BUF_HT,
356
-							 false, true);
368
+							 false, true, NULL);
357369 
358370 		if (test_and_clear_bit(tid + IEEE80211_NUM_TIDS,
359371 				       sta->ampdu_mlme.tid_rx_manage_offl))
....@@ -505,7 +517,7 @@
505517 	case IEEE80211_SMPS_AUTOMATIC:
506518 	case IEEE80211_SMPS_NUM_MODES:
507519 		WARN_ON(1);
508
-		/* fall through */
520
+		fallthrough;
509521 	case IEEE80211_SMPS_OFF:
510522 		action_frame->u.action.u.ht_smps.smps_control =
511523 				WLAN_HT_SMPS_CONTROL_DISABLED;
....@@ -538,19 +550,6 @@
538550 	sdata_unlock(sdata);
539551 }
540552 
541
-void ieee80211_request_smps_ap_work(struct work_struct *work)
542
-{
543
-	struct ieee80211_sub_if_data *sdata =
544
-		container_of(work, struct ieee80211_sub_if_data,
545
-			     u.ap.request_smps_work);
546
-
547
-	sdata_lock(sdata);
548
-	if (sdata_dereference(sdata->u.ap.beacon, sdata))
549
-		__ieee80211_request_smps_ap(sdata,
550
-					    sdata->u.ap.driver_smps_mode);
551
-	sdata_unlock(sdata);
552
-}
553
-
554553 void ieee80211_request_smps(struct ieee80211_vif *vif,
555554 			    enum ieee80211_smps_mode smps_mode)
556555 {
....@@ -566,15 +565,6 @@
566565 		sdata->u.mgd.driver_smps_mode = smps_mode;
567566 		ieee80211_queue_work(&sdata->local->hw,
568567 				     &sdata->u.mgd.request_smps_work);
569
-	} else {
570
-		/* AUTOMATIC is meaningless in AP mode */
571
-		if (WARN_ON_ONCE(smps_mode == IEEE80211_SMPS_AUTOMATIC))
572
-			return;
573
-		if (sdata->u.ap.driver_smps_mode == smps_mode)
574
-			return;
575
-		sdata->u.ap.driver_smps_mode = smps_mode;
576
-		ieee80211_queue_work(&sdata->local->hw,
577
-				     &sdata->u.ap.request_smps_work);
578568 	}
579569 }
580570 /* this might change ... don't want non-open drivers using it */