summaryrefslogtreecommitdiff
path: root/package/mac80211/patches/301-rt2x00-Implement-support-for-802.11n.patch
blob: c3c07a09cb30c52bd28f2da6ea30abc05d5af17b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
From adf33d3a207846709e2a5fb006f17dbc9225f7a9 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Fri, 23 Jan 2009 17:10:06 +0100
Subject: [PATCH] rt2x00: Implement support for 802.11n

Extend rt2x00lib capabilities to support 802.11n,
it still lacks aggregation support, but that can
be added in the future.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/Kconfig        |    3 +
 drivers/net/wireless/rt2x00/Makefile       |    1 +
 drivers/net/wireless/rt2x00/rt2x00.h       |    5 ++
 drivers/net/wireless/rt2x00/rt2x00config.c |    5 ++
 drivers/net/wireless/rt2x00/rt2x00dev.c    |   91 ++++++++++++++++++++-------
 drivers/net/wireless/rt2x00/rt2x00ht.c     |   69 +++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2x00lib.h    |   24 +++++++
 drivers/net/wireless/rt2x00/rt2x00queue.c  |    1 +
 drivers/net/wireless/rt2x00/rt2x00queue.h  |   26 +++++++-
 9 files changed, 197 insertions(+), 28 deletions(-)
 create mode 100644 drivers/net/wireless/rt2x00/rt2x00ht.c

--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -8,6 +8,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_CRYPTO)	+=
 rt2x00lib-$(CONFIG_RT2X00_LIB_RFKILL)	+= rt2x00rfkill.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)	+= rt2x00leds.o
+rt2x00lib-$(CONFIG_RT2X00_LIB_HT)	+= rt2x00ht.o
 
 obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -108,6 +108,7 @@
  */
 #define ACK_SIZE		14
 #define IEEE80211_HEADER	24
+#define AGGREGATION_SIZE	3840
 #define PLCP			48
 #define BEACON			100
 #define PREAMBLE		144
@@ -357,6 +358,7 @@ static inline struct rt2x00_intf* vif_to
  *	for @tx_power_a, @tx_power_bg and @channels.
  * @channels: Device/chipset specific channel values (See &struct rf_channel).
  * @channels_info: Additional information for channels (See &struct channel_info).
+ * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
  */
 struct hw_mode_spec {
 	unsigned int supported_bands;
@@ -370,6 +372,8 @@ struct hw_mode_spec {
 	unsigned int num_channels;
 	const struct rf_channel *channels;
 	const struct channel_info *channels_info;
+
+	struct ieee80211_sta_ht_cap ht;
 };
 
 /*
@@ -603,6 +607,7 @@ enum rt2x00_flags {
 	CONFIG_EXTERNAL_LNA_BG,
 	CONFIG_DOUBLE_ANTENNA,
 	CONFIG_DISABLE_LINK_TUNING,
+	CONFIG_CHANNEL_HT40,
 };
 
 /*
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -173,6 +173,11 @@ void rt2x00lib_config(struct rt2x00_dev 
 	libconf.conf = conf;
 
 	if (ieee80211_flags & IEEE80211_CONF_CHANGE_CHANNEL) {
+		if (conf_is_ht40(conf))
+			__set_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags);
+		else
+			__clear_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags);
+
 		memcpy(&libconf.rf,
 		       &rt2x00dev->spec.channels[conf->channel->hw_value],
 		       sizeof(libconf.rf));
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -315,18 +315,54 @@ void rt2x00lib_txdone(struct queue_entry
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
 
+static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
+					struct rxdone_entry_desc *rxdesc)
+{
+	struct ieee80211_supported_band *sband;
+	const struct rt2x00_rate *rate;
+	unsigned int i;
+	int signal;
+	int type;
+
+	/*
+	 * For non-HT rates the MCS value needs to contain the
+	 * actually used rate modulation (CCK or OFDM).
+	 */
+	if (rxdesc->dev_flags & RXDONE_SIGNAL_MCS)
+		signal = RATE_MCS(rxdesc->rate_mode, rxdesc->signal);
+	else
+		signal = rxdesc->signal;
+
+	type = (rxdesc->dev_flags & RXDONE_SIGNAL_MASK);
+
+	sband = &rt2x00dev->bands[rt2x00dev->curr_band];
+	for (i = 0; i < sband->n_bitrates; i++) {
+		rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
+
+		if (((type == RXDONE_SIGNAL_PLCP) &&
+		     (rate->plcp == signal)) ||
+		    ((type == RXDONE_SIGNAL_BITRATE) &&
+		      (rate->bitrate == signal)) ||
+		    ((type == RXDONE_SIGNAL_MCS) &&
+		      (rate->mcs == signal))) {
+			return i;
+		}
+	}
+
+	WARNING(rt2x00dev, "Frame received with unrecognized signal, "
+		"signal=0x%.4x, type=%d.\n", signal, type);
+	return 0;
+}
+
 void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 		      struct queue_entry *entry)
 {
 	struct rxdone_entry_desc rxdesc;
 	struct sk_buff *skb;
 	struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
-	struct ieee80211_supported_band *sband;
-	const struct rt2x00_rate *rate;
 	unsigned int header_length;
 	unsigned int align;
-	unsigned int i;
-	int idx = -1;
+	int rate_idx;
 
 	/*
 	 * Allocate a new sk_buffer. If no new buffer available, drop the
@@ -375,26 +411,17 @@ void rt2x00lib_rxdone(struct rt2x00_dev 
 	skb_trim(entry->skb, rxdesc.size);
 
 	/*
-	 * Update RX statistics.
-	 */
-	sband = &rt2x00dev->bands[rt2x00dev->curr_band];
-	for (i = 0; i < sband->n_bitrates; i++) {
-		rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
-
-		if (((rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
-		     (rate->plcp == rxdesc.signal)) ||
-		    ((rxdesc.dev_flags & RXDONE_SIGNAL_BITRATE) &&
-		      (rate->bitrate == rxdesc.signal))) {
-			idx = i;
-			break;
-		}
-	}
-
-	if (idx < 0) {
-		WARNING(rt2x00dev, "Frame received with unrecognized signal,"
-			"signal=0x%.2x, type=%d.\n", rxdesc.signal,
-			(rxdesc.dev_flags & RXDONE_SIGNAL_MASK));
-		idx = 0;
+	 * Check if the frame was received using HT. In that case,
+	 * the rate is the MCS index and should be passed to mac80211
+	 * directly. Otherwise we need to translate the signal to
+	 * the correct bitrate index.
+	 */
+	if (rxdesc.rate_mode == RATE_MODE_CCK ||
+	    rxdesc.rate_mode == RATE_MODE_OFDM) {
+		rate_idx = rt2x00lib_rxdone_read_signal(rt2x00dev, &rxdesc);
+	} else {
+		rxdesc.flags |= RX_FLAG_HT;
+		rate_idx = rxdesc.signal;
 	}
 
 	/*
@@ -404,7 +431,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev 
 	rt2x00debug_update_crypto(rt2x00dev, &rxdesc);
 
 	rx_status->mactime = rxdesc.timestamp;
-	rx_status->rate_idx = idx;
+	rx_status->rate_idx = rate_idx;
 	rx_status->qual = rt2x00link_calculate_signal(rt2x00dev, rxdesc.rssi);
 	rx_status->signal = rxdesc.rssi;
 	rx_status->noise = rxdesc.noise;
@@ -439,72 +466,84 @@ const struct rt2x00_rate rt2x00_supporte
 		.bitrate = 10,
 		.ratemask = BIT(0),
 		.plcp = 0x00,
+		.mcs = RATE_MCS(RATE_MODE_CCK, 0),
 	},
 	{
 		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 20,
 		.ratemask = BIT(1),
 		.plcp = 0x01,
+		.mcs = RATE_MCS(RATE_MODE_CCK, 1),
 	},
 	{
 		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 55,
 		.ratemask = BIT(2),
 		.plcp = 0x02,
+		.mcs = RATE_MCS(RATE_MODE_CCK, 2),
 	},
 	{
 		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 110,
 		.ratemask = BIT(3),
 		.plcp = 0x03,
+		.mcs = RATE_MCS(RATE_MODE_CCK, 3),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 60,
 		.ratemask = BIT(4),
 		.plcp = 0x0b,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 0),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 90,
 		.ratemask = BIT(5),
 		.plcp = 0x0f,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 1),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 120,
 		.ratemask = BIT(6),
 		.plcp = 0x0a,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 2),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 180,
 		.ratemask = BIT(7),
 		.plcp = 0x0e,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 3),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 240,
 		.ratemask = BIT(8),
 		.plcp = 0x09,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 4),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 360,
 		.ratemask = BIT(9),
 		.plcp = 0x0d,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 5),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 480,
 		.ratemask = BIT(10),
 		.plcp = 0x08,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 6),
 	},
 	{
 		.flags = DEV_RATE_OFDM,
 		.bitrate = 540,
 		.ratemask = BIT(11),
 		.plcp = 0x0c,
+		.mcs = RATE_MCS(RATE_MODE_OFDM, 7),
 	},
 };
 
@@ -580,6 +619,8 @@ static int rt2x00lib_probe_hw_modes(stru
 		rt2x00dev->bands[IEEE80211_BAND_2GHZ].bitrates = rates;
 		hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
 		    &rt2x00dev->bands[IEEE80211_BAND_2GHZ];
+		memcpy(&rt2x00dev->bands[IEEE80211_BAND_2GHZ].ht_cap,
+		       &spec->ht, sizeof(spec->ht));
 	}
 
 	/*
@@ -596,6 +637,8 @@ static int rt2x00lib_probe_hw_modes(stru
 		rt2x00dev->bands[IEEE80211_BAND_5GHZ].bitrates = &rates[4];
 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 		    &rt2x00dev->bands[IEEE80211_BAND_5GHZ];
+		memcpy(&rt2x00dev->bands[IEEE80211_BAND_5GHZ].ht_cap,
+		       &spec->ht, sizeof(spec->ht));
 	}
 
 	return 0;
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00ht.c
@@ -0,0 +1,69 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00lib
+	Abstract: rt2x00 HT specific routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+				   struct txentry_desc *txdesc,
+				   const struct rt2x00_rate *hwrate)
+{
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+	struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
+
+	if (tx_info->control.sta)
+		txdesc->mpdu_density =
+		    tx_info->control.sta->ht_cap.ampdu_density;
+	else
+		txdesc->mpdu_density = 0;
+
+	txdesc->ba_size = 0;	/* FIXME: What value is needed? */
+	txdesc->stbc = 0;	/* FIXME: What value is needed? */
+
+	txdesc->mcs = rt2x00_get_rate_mcs(hwrate->mcs);
+	if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+		txdesc->mcs |= 0x08;
+
+	/*
+	 * Convert flags
+	 */
+	if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
+		__set_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags);
+
+	/*
+	 * Determine HT Mix/Greenfield rate mode
+	 */
+	if (txrate->flags & IEEE80211_TX_RC_MCS)
+		txdesc->rate_mode = RATE_MODE_HT_MIX;
+	if (txrate->flags & IEEE80211_TX_RC_GREEN_FIELD)
+		txdesc->rate_mode = RATE_MODE_HT_GREENFIELD;
+	if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+		__set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags);
+	if (txrate->flags & IEEE80211_TX_RC_SHORT_GI)
+		__set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags);
+}
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -48,6 +48,7 @@ struct rt2x00_rate {
 	unsigned short ratemask;
 
 	unsigned short plcp;
+	unsigned short mcs;
 };
 
 extern const struct rt2x00_rate rt2x00_supported_rates[12];
@@ -57,6 +58,14 @@ static inline const struct rt2x00_rate *
 	return &rt2x00_supported_rates[hw_value & 0xff];
 }
 
+#define RATE_MCS(__mode, __mcs) \
+	( (((__mode) & 0x00ff) << 8) | ((__mcs) & 0x00ff) )
+
+static inline int rt2x00_get_rate_mcs(const u16 mcs_value)
+{
+	return (mcs_value & 0x00ff);
+}
+
 /*
  * Radio control handlers.
  */
@@ -330,6 +339,21 @@ static inline void rt2x00crypto_rx_inser
 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
 
 /*
+ * HT handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_HT
+void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+				   struct txentry_desc *txdesc,
+				   const struct rt2x00_rate *hwrate);
+#else
+static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+						 struct txentry_desc *txdesc,
+						 const struct rt2x00_rate *hwrate)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_HT */
+
+/*
  * RFkill handlers.
  */
 #ifdef CONFIG_RT2X00_LIB_RFKILL
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -326,6 +326,7 @@ static void rt2x00queue_create_tx_descri
 	 * Apply TX descriptor handling by components
 	 */
 	rt2x00crypto_create_tx_descriptor(entry, txdesc);
+	rt2x00ht_create_tx_descriptor(entry, txdesc, hwrate);
 	rt2x00queue_create_tx_descriptor_seq(entry, txdesc);
 	rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate);
 }
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -145,6 +145,7 @@ static inline struct skb_frame_desc* get
  *
  * @RXDONE_SIGNAL_PLCP: Signal field contains the plcp value.
  * @RXDONE_SIGNAL_BITRATE: Signal field contains the bitrate value.
+ * @RXDONE_SIGNAL_MCS: Signal field contains the mcs value.
  * @RXDONE_MY_BSS: Does this frame originate from device's BSS.
  * @RXDONE_CRYPTO_IV: Driver provided IV/EIV data.
  * @RXDONE_CRYPTO_ICV: Driver provided ICV data.
@@ -152,9 +153,10 @@ static inline struct skb_frame_desc* get
 enum rxdone_entry_desc_flags {
 	RXDONE_SIGNAL_PLCP = 1 << 0,
 	RXDONE_SIGNAL_BITRATE = 1 << 1,
-	RXDONE_MY_BSS = 1 << 2,
-	RXDONE_CRYPTO_IV = 1 << 3,
-	RXDONE_CRYPTO_ICV = 1 << 4,
+	RXDONE_SIGNAL_MCS = 1 << 2,
+	RXDONE_MY_BSS = 1 << 3,
+	RXDONE_CRYPTO_IV = 1 << 4,
+	RXDONE_CRYPTO_ICV = 1 << 5,
 };
 
 /**
@@ -163,7 +165,7 @@ enum rxdone_entry_desc_flags {
  * from &rxdone_entry_desc to a signal value type.
  */
 #define RXDONE_SIGNAL_MASK \
-       ( RXDONE_SIGNAL_PLCP | RXDONE_SIGNAL_BITRATE )
+	( RXDONE_SIGNAL_PLCP | RXDONE_SIGNAL_BITRATE | RXDONE_SIGNAL_MCS )
 
 /**
  * struct rxdone_entry_desc: RX Entry descriptor
@@ -177,6 +179,7 @@ enum rxdone_entry_desc_flags {
  * @size: Data size of the received frame.
  * @flags: MAC80211 receive flags (See &enum mac80211_rx_flags).
  * @dev_flags: Ralink receive flags (See &enum rxdone_entry_desc_flags).
+ * @rate_mode: Rate mode (See @enum rate_modulation).
  * @cipher: Cipher type used during decryption.
  * @cipher_status: Decryption status.
  * @iv: IV/EIV data used during decryption.
@@ -190,6 +193,7 @@ struct rxdone_entry_desc {
 	int size;
 	int flags;
 	int dev_flags;
+	u16 rate_mode;
 	u8 cipher;
 	u8 cipher_status;
 
@@ -243,6 +247,9 @@ struct txdone_entry_desc {
  * @ENTRY_TXD_ENCRYPT_PAIRWISE: Use pairwise key table (instead of shared).
  * @ENTRY_TXD_ENCRYPT_IV: Generate IV/EIV in hardware.
  * @ENTRY_TXD_ENCRYPT_MMIC: Generate MIC in hardware.
+ * @ENTRY_TXD_HT_AMPDU: This frame is part of an AMPDU.
+ * @ENTRY_TXD_HT_BW_40: Use 40MHz Bandwidth.
+ * @ENTRY_TXD_HT_SHORT_GI: Use short GI.
  */
 enum txentry_desc_flags {
 	ENTRY_TXD_RTS_FRAME,
@@ -258,6 +265,9 @@ enum txentry_desc_flags {
 	ENTRY_TXD_ENCRYPT_PAIRWISE,
 	ENTRY_TXD_ENCRYPT_IV,
 	ENTRY_TXD_ENCRYPT_MMIC,
+	ENTRY_TXD_HT_AMPDU,
+	ENTRY_TXD_HT_BW_40,
+	ENTRY_TXD_HT_SHORT_GI,
 };
 
 /**
@@ -271,7 +281,11 @@ enum txentry_desc_flags {
  * @length_low: PLCP length low word.
  * @signal: PLCP signal.
  * @service: PLCP service.
+ * @msc: MCS.
+ * @stbc: STBC.
+ * @ba_size: BA size.
  * @rate_mode: Rate mode (See @enum rate_modulation).
+ * @mpdu_density: MDPU density.
  * @retry_limit: Max number of retries.
  * @aifs: AIFS value.
  * @ifs: IFS value.
@@ -291,7 +305,11 @@ struct txentry_desc {
 	u16 signal;
 	u16 service;
 
+	u16 mcs;
+	u16 stbc;
+	u16 ba_size;
 	u16 rate_mode;
+	u16 mpdu_density;
 
 	short retry_limit;
 	short aifs;