xref: /openbmc/linux/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h (revision 8631f940b81bf0da3d375fce166d381fa8c47bb2)
1 /******************************************************************************
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3  * This file is provided under a dual BSD/GPLv2 license.  When using or
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6  * GPL LICENSE SUMMARY
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8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10  * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
11  * Copyright(c) 2018 Intel Corporation
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31  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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64 
65 #ifndef __iwl_fw_api_rx_h__
66 #define __iwl_fw_api_rx_h__
67 
68 /* API for pre-9000 hardware */
69 
70 #define IWL_RX_INFO_PHY_CNT 8
71 #define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1
72 #define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff
73 #define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00
74 #define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000
75 #define IWL_RX_INFO_ENERGY_ANT_A_POS 0
76 #define IWL_RX_INFO_ENERGY_ANT_B_POS 8
77 #define IWL_RX_INFO_ENERGY_ANT_C_POS 16
78 
79 enum iwl_mac_context_info {
80 	MAC_CONTEXT_INFO_NONE,
81 	MAC_CONTEXT_INFO_GSCAN,
82 };
83 
84 /**
85  * struct iwl_rx_phy_info - phy info
86  * (REPLY_RX_PHY_CMD = 0xc0)
87  * @non_cfg_phy_cnt: non configurable DSP phy data byte count
88  * @cfg_phy_cnt: configurable DSP phy data byte count
89  * @stat_id: configurable DSP phy data set ID
90  * @reserved1: reserved
91  * @system_timestamp: GP2  at on air rise
92  * @timestamp: TSF at on air rise
93  * @beacon_time_stamp: beacon at on-air rise
94  * @phy_flags: general phy flags: band, modulation, ...
95  * @channel: channel number
96  * @non_cfg_phy: for various implementations of non_cfg_phy
97  * @rate_n_flags: RATE_MCS_*
98  * @byte_count: frame's byte-count
99  * @frame_time: frame's time on the air, based on byte count and frame rate
100  *	calculation
101  * @mac_active_msk: what MACs were active when the frame was received
102  * @mac_context_info: additional info on the context in which the frame was
103  *	received as defined in &enum iwl_mac_context_info
104  *
105  * Before each Rx, the device sends this data. It contains PHY information
106  * about the reception of the packet.
107  */
108 struct iwl_rx_phy_info {
109 	u8 non_cfg_phy_cnt;
110 	u8 cfg_phy_cnt;
111 	u8 stat_id;
112 	u8 reserved1;
113 	__le32 system_timestamp;
114 	__le64 timestamp;
115 	__le32 beacon_time_stamp;
116 	__le16 phy_flags;
117 	__le16 channel;
118 	__le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
119 	__le32 rate_n_flags;
120 	__le32 byte_count;
121 	u8 mac_active_msk;
122 	u8 mac_context_info;
123 	__le16 frame_time;
124 } __packed;
125 
126 /*
127  * TCP offload Rx assist info
128  *
129  * bits 0:3 - reserved
130  * bits 4:7 - MIC CRC length
131  * bits 8:12 - MAC header length
132  * bit 13 - Padding indication
133  * bit 14 - A-AMSDU indication
134  * bit 15 - Offload enabled
135  */
136 enum iwl_csum_rx_assist_info {
137 	CSUM_RXA_RESERVED_MASK	= 0x000f,
138 	CSUM_RXA_MICSIZE_MASK	= 0x00f0,
139 	CSUM_RXA_HEADERLEN_MASK	= 0x1f00,
140 	CSUM_RXA_PADD		= BIT(13),
141 	CSUM_RXA_AMSDU		= BIT(14),
142 	CSUM_RXA_ENA		= BIT(15)
143 };
144 
145 /**
146  * struct iwl_rx_mpdu_res_start - phy info
147  * @byte_count: byte count of the frame
148  * @assist: see &enum iwl_csum_rx_assist_info
149  */
150 struct iwl_rx_mpdu_res_start {
151 	__le16 byte_count;
152 	__le16 assist;
153 } __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */
154 
155 /**
156  * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
157  * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
158  * @RX_RES_PHY_FLAGS_MOD_CCK: modulation is CCK
159  * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
160  * @RX_RES_PHY_FLAGS_NARROW_BAND: narrow band (<20 MHz) receive
161  * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
162  * @RX_RES_PHY_FLAGS_ANTENNA_POS: antenna bit position
163  * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
164  * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
165  * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
166  * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
167  */
168 enum iwl_rx_phy_flags {
169 	RX_RES_PHY_FLAGS_BAND_24	= BIT(0),
170 	RX_RES_PHY_FLAGS_MOD_CCK	= BIT(1),
171 	RX_RES_PHY_FLAGS_SHORT_PREAMBLE	= BIT(2),
172 	RX_RES_PHY_FLAGS_NARROW_BAND	= BIT(3),
173 	RX_RES_PHY_FLAGS_ANTENNA	= (0x7 << 4),
174 	RX_RES_PHY_FLAGS_ANTENNA_POS	= 4,
175 	RX_RES_PHY_FLAGS_AGG		= BIT(7),
176 	RX_RES_PHY_FLAGS_OFDM_HT	= BIT(8),
177 	RX_RES_PHY_FLAGS_OFDM_GF	= BIT(9),
178 	RX_RES_PHY_FLAGS_OFDM_VHT	= BIT(10),
179 };
180 
181 /**
182  * enum iwl_mvm_rx_status - written by fw for each Rx packet
183  * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
184  * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
185  * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: station was found
186  * @RX_MPDU_RES_STATUS_KEY_VALID: key was valid
187  * @RX_MPDU_RES_STATUS_KEY_PARAM_OK: key parameters were usable
188  * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
189  * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
190  *	in the driver.
191  * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
192  * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR:  valid for alg = CCM_CMAC or
193  *	alg = CCM only. Checks replay attack for 11w frames. Relevant only if
194  *	%RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set.
195  * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
196  * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
197  * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
198  * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
199  * @RX_MPDU_RES_STATUS_SEC_EXT_ENC: this frame is encrypted using extension
200  *	algorithm
201  * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC
202  * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
203  * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
204  * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
205  * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: extended IV (set with TKIP)
206  * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: key ID comparison done
207  * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame
208  * @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw
209  * @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors
210  * @RX_MPDU_RES_STATUS_STA_ID_MSK: station ID mask
211  * @RX_MDPU_RES_STATUS_STA_ID_SHIFT: station ID bit shift
212  * @RX_MPDU_RES_STATUS_FILTERING_MSK: filter status
213  * @RX_MPDU_RES_STATUS2_FILTERING_MSK: filter status 2
214  */
215 enum iwl_mvm_rx_status {
216 	RX_MPDU_RES_STATUS_CRC_OK			= BIT(0),
217 	RX_MPDU_RES_STATUS_OVERRUN_OK			= BIT(1),
218 	RX_MPDU_RES_STATUS_SRC_STA_FOUND		= BIT(2),
219 	RX_MPDU_RES_STATUS_KEY_VALID			= BIT(3),
220 	RX_MPDU_RES_STATUS_KEY_PARAM_OK			= BIT(4),
221 	RX_MPDU_RES_STATUS_ICV_OK			= BIT(5),
222 	RX_MPDU_RES_STATUS_MIC_OK			= BIT(6),
223 	RX_MPDU_RES_STATUS_TTAK_OK			= BIT(7),
224 	RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR		= BIT(7),
225 	RX_MPDU_RES_STATUS_SEC_NO_ENC			= (0 << 8),
226 	RX_MPDU_RES_STATUS_SEC_WEP_ENC			= (1 << 8),
227 	RX_MPDU_RES_STATUS_SEC_CCM_ENC			= (2 << 8),
228 	RX_MPDU_RES_STATUS_SEC_TKIP_ENC			= (3 << 8),
229 	RX_MPDU_RES_STATUS_SEC_EXT_ENC			= (4 << 8),
230 	RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC		= (6 << 8),
231 	RX_MPDU_RES_STATUS_SEC_ENC_ERR			= (7 << 8),
232 	RX_MPDU_RES_STATUS_SEC_ENC_MSK			= (7 << 8),
233 	RX_MPDU_RES_STATUS_DEC_DONE			= BIT(11),
234 	RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP		= BIT(13),
235 	RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT		= BIT(14),
236 	RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME		= BIT(15),
237 	RX_MPDU_RES_STATUS_CSUM_DONE			= BIT(16),
238 	RX_MPDU_RES_STATUS_CSUM_OK			= BIT(17),
239 	RX_MDPU_RES_STATUS_STA_ID_SHIFT			= 24,
240 	RX_MPDU_RES_STATUS_STA_ID_MSK			= 0x1f << RX_MDPU_RES_STATUS_STA_ID_SHIFT,
241 	RX_MPDU_RES_STATUS_FILTERING_MSK		= (0xc00000),
242 	RX_MPDU_RES_STATUS2_FILTERING_MSK		= (0xc0000000),
243 };
244 
245 /* 9000 series API */
246 enum iwl_rx_mpdu_mac_flags1 {
247 	IWL_RX_MDPU_MFLG1_ADDRTYPE_MASK		= 0x03,
248 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK	= 0xf0,
249 	/* shift should be 4, but the length is measured in 2-byte
250 	 * words, so shifting only by 3 gives a byte result
251 	 */
252 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_SHIFT	= 3,
253 };
254 
255 enum iwl_rx_mpdu_mac_flags2 {
256 	/* in 2-byte words */
257 	IWL_RX_MPDU_MFLG2_HDR_LEN_MASK		= 0x1f,
258 	IWL_RX_MPDU_MFLG2_PAD			= 0x20,
259 	IWL_RX_MPDU_MFLG2_AMSDU			= 0x40,
260 };
261 
262 enum iwl_rx_mpdu_amsdu_info {
263 	IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK	= 0x7f,
264 	IWL_RX_MPDU_AMSDU_LAST_SUBFRAME		= 0x80,
265 };
266 
267 enum iwl_rx_l3_proto_values {
268 	IWL_RX_L3_TYPE_NONE,
269 	IWL_RX_L3_TYPE_IPV4,
270 	IWL_RX_L3_TYPE_IPV4_FRAG,
271 	IWL_RX_L3_TYPE_IPV6_FRAG,
272 	IWL_RX_L3_TYPE_IPV6,
273 	IWL_RX_L3_TYPE_IPV6_IN_IPV4,
274 	IWL_RX_L3_TYPE_ARP,
275 	IWL_RX_L3_TYPE_EAPOL,
276 };
277 
278 #define IWL_RX_L3_PROTO_POS 4
279 
280 enum iwl_rx_l3l4_flags {
281 	IWL_RX_L3L4_IP_HDR_CSUM_OK		= BIT(0),
282 	IWL_RX_L3L4_TCP_UDP_CSUM_OK		= BIT(1),
283 	IWL_RX_L3L4_TCP_FIN_SYN_RST_PSH		= BIT(2),
284 	IWL_RX_L3L4_TCP_ACK			= BIT(3),
285 	IWL_RX_L3L4_L3_PROTO_MASK		= 0xf << IWL_RX_L3_PROTO_POS,
286 	IWL_RX_L3L4_L4_PROTO_MASK		= 0xf << 8,
287 	IWL_RX_L3L4_RSS_HASH_MASK		= 0xf << 12,
288 };
289 
290 enum iwl_rx_mpdu_status {
291 	IWL_RX_MPDU_STATUS_CRC_OK		= BIT(0),
292 	IWL_RX_MPDU_STATUS_OVERRUN_OK		= BIT(1),
293 	IWL_RX_MPDU_STATUS_SRC_STA_FOUND	= BIT(2),
294 	IWL_RX_MPDU_STATUS_KEY_VALID		= BIT(3),
295 	IWL_RX_MPDU_STATUS_KEY_PARAM_OK		= BIT(4),
296 	IWL_RX_MPDU_STATUS_ICV_OK		= BIT(5),
297 	IWL_RX_MPDU_STATUS_MIC_OK		= BIT(6),
298 	IWL_RX_MPDU_RES_STATUS_TTAK_OK		= BIT(7),
299 	IWL_RX_MPDU_STATUS_SEC_MASK		= 0x7 << 8,
300 	IWL_RX_MPDU_STATUS_SEC_UNKNOWN		= IWL_RX_MPDU_STATUS_SEC_MASK,
301 	IWL_RX_MPDU_STATUS_SEC_NONE		= 0x0 << 8,
302 	IWL_RX_MPDU_STATUS_SEC_WEP		= 0x1 << 8,
303 	IWL_RX_MPDU_STATUS_SEC_CCM		= 0x2 << 8,
304 	IWL_RX_MPDU_STATUS_SEC_TKIP		= 0x3 << 8,
305 	IWL_RX_MPDU_STATUS_SEC_EXT_ENC		= 0x4 << 8,
306 	IWL_RX_MPDU_STATUS_SEC_GCM		= 0x5 << 8,
307 	IWL_RX_MPDU_STATUS_DECRYPTED		= BIT(11),
308 	IWL_RX_MPDU_STATUS_WEP_MATCH		= BIT(12),
309 	IWL_RX_MPDU_STATUS_EXT_IV_MATCH		= BIT(13),
310 	IWL_RX_MPDU_STATUS_KEY_ID_MATCH		= BIT(14),
311 	IWL_RX_MPDU_STATUS_ROBUST_MNG_FRAME	= BIT(15),
312 };
313 
314 enum iwl_rx_mpdu_hash_filter {
315 	IWL_RX_MPDU_HF_A1_HASH_MASK		= 0x3f,
316 	IWL_RX_MPDU_HF_FILTER_STATUS_MASK	= 0xc0,
317 };
318 
319 enum iwl_rx_mpdu_sta_id_flags {
320 	IWL_RX_MPDU_SIF_STA_ID_MASK		= 0x1f,
321 	IWL_RX_MPDU_SIF_RRF_ABORT		= 0x20,
322 	IWL_RX_MPDU_SIF_FILTER_STATUS_MASK	= 0xc0,
323 };
324 
325 #define IWL_RX_REORDER_DATA_INVALID_BAID 0x7f
326 
327 enum iwl_rx_mpdu_reorder_data {
328 	IWL_RX_MPDU_REORDER_NSSN_MASK		= 0x00000fff,
329 	IWL_RX_MPDU_REORDER_SN_MASK		= 0x00fff000,
330 	IWL_RX_MPDU_REORDER_SN_SHIFT		= 12,
331 	IWL_RX_MPDU_REORDER_BAID_MASK		= 0x7f000000,
332 	IWL_RX_MPDU_REORDER_BAID_SHIFT		= 24,
333 	IWL_RX_MPDU_REORDER_BA_OLD_SN		= 0x80000000,
334 };
335 
336 enum iwl_rx_mpdu_phy_info {
337 	IWL_RX_MPDU_PHY_AMPDU		= BIT(5),
338 	IWL_RX_MPDU_PHY_AMPDU_TOGGLE	= BIT(6),
339 	IWL_RX_MPDU_PHY_SHORT_PREAMBLE	= BIT(7),
340 	IWL_RX_MPDU_PHY_TSF_OVERLOAD	= BIT(8),
341 };
342 
343 enum iwl_rx_mpdu_mac_info {
344 	IWL_RX_MPDU_PHY_MAC_INDEX_MASK		= 0x0f,
345 	IWL_RX_MPDU_PHY_PHY_INDEX_MASK		= 0xf0,
346 };
347 
348 /* TSF overload low dword */
349 enum iwl_rx_phy_data0 {
350 	/* info type: HE any */
351 	IWL_RX_PHY_DATA0_HE_BEAM_CHNG				= 0x00000001,
352 	IWL_RX_PHY_DATA0_HE_UPLINK				= 0x00000002,
353 	IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK			= 0x000000fc,
354 	IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK			= 0x00000f00,
355 	/* 1 bit reserved */
356 	IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK			= 0x000fe000,
357 	IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM			= 0x00100000,
358 	IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK			= 0x00600000,
359 	IWL_RX_PHY_DATA0_HE_PE_DISAMBIG				= 0x00800000,
360 	IWL_RX_PHY_DATA0_HE_DOPPLER				= 0x01000000,
361 	/* 6 bits reserved */
362 	IWL_RX_PHY_DATA0_HE_DELIM_EOF				= 0x80000000,
363 };
364 
365 enum iwl_rx_phy_info_type {
366 	IWL_RX_PHY_INFO_TYPE_NONE				= 0,
367 	IWL_RX_PHY_INFO_TYPE_CCK				= 1,
368 	IWL_RX_PHY_INFO_TYPE_OFDM_LGCY				= 2,
369 	IWL_RX_PHY_INFO_TYPE_HT					= 3,
370 	IWL_RX_PHY_INFO_TYPE_VHT_SU				= 4,
371 	IWL_RX_PHY_INFO_TYPE_VHT_MU				= 5,
372 	IWL_RX_PHY_INFO_TYPE_HE_SU				= 6,
373 	IWL_RX_PHY_INFO_TYPE_HE_MU				= 7,
374 	IWL_RX_PHY_INFO_TYPE_HE_TB				= 8,
375 	IWL_RX_PHY_INFO_TYPE_HE_MU_EXT				= 9,
376 	IWL_RX_PHY_INFO_TYPE_HE_TB_EXT				= 10,
377 };
378 
379 /* TSF overload high dword */
380 enum iwl_rx_phy_data1 {
381 	/*
382 	 * check this first - if TSF overload is set,
383 	 * see &enum iwl_rx_phy_info_type
384 	 */
385 	IWL_RX_PHY_DATA1_INFO_TYPE_MASK				= 0xf0000000,
386 
387 	/* info type: HT/VHT/HE any */
388 	IWL_RX_PHY_DATA1_LSIG_LEN_MASK				= 0x0fff0000,
389 
390 	/* info type: HE MU/MU-EXT */
391 	IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION			= 0x00000001,
392 	IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK	= 0x0000001e,
393 
394 	/* info type: HE any */
395 	IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK			= 0x000000e0,
396 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80			= 0x00000100,
397 	/* trigger encoded */
398 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK			= 0x0000fe00,
399 
400 	/* info type: HE TB/TX-EXT */
401 	IWL_RX_PHY_DATA1_HE_TB_PILOT_TYPE			= 0x00000001,
402 	IWL_RX_PHY_DATA1_HE_TB_LOW_SS_MASK			= 0x0000000e,
403 };
404 
405 /* goes into Metadata DW 7 */
406 enum iwl_rx_phy_data2 {
407 	/* info type: HE MU-EXT */
408 	/* the a1/a2/... is what the PHY/firmware calls the values */
409 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0		= 0x000000ff, /* a1 */
410 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2		= 0x0000ff00, /* a2 */
411 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0		= 0x00ff0000, /* b1 */
412 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2		= 0xff000000, /* b2 */
413 
414 	/* info type: HE TB-EXT */
415 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1		= 0x0000000f,
416 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2		= 0x000000f0,
417 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3		= 0x00000f00,
418 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4		= 0x0000f000,
419 };
420 
421 /* goes into Metadata DW 8 */
422 enum iwl_rx_phy_data3 {
423 	/* info type: HE MU-EXT */
424 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1		= 0x000000ff, /* c1 */
425 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3		= 0x0000ff00, /* c2 */
426 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1		= 0x00ff0000, /* d1 */
427 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3		= 0xff000000, /* d2 */
428 };
429 
430 /* goes into Metadata DW 4 high 16 bits */
431 enum iwl_rx_phy_data4 {
432 	/* info type: HE MU-EXT */
433 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU			= 0x0001,
434 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU			= 0x0002,
435 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK			= 0x0004,
436 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK			= 0x0008,
437 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK		= 0x00f0,
438 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM			= 0x0100,
439 	IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK	= 0x0600,
440 };
441 
442 /**
443  * struct iwl_rx_mpdu_desc_v1 - RX MPDU descriptor
444  */
445 struct iwl_rx_mpdu_desc_v1 {
446 	/* DW7 - carries rss_hash only when rpa_en == 1 */
447 	union {
448 		/**
449 		 * @rss_hash: RSS hash value
450 		 */
451 		__le32 rss_hash;
452 
453 		/**
454 		 * @phy_data2: depends on info type (see @phy_data1)
455 		 */
456 		__le32 phy_data2;
457 	};
458 
459 	/* DW8 - carries filter_match only when rpa_en == 1 */
460 	union {
461 		/**
462 		 * @filter_match: filter match value
463 		 */
464 		__le32 filter_match;
465 
466 		/**
467 		 * @phy_data3: depends on info type (see @phy_data1)
468 		 */
469 		__le32 phy_data3;
470 	};
471 
472 	/* DW9 */
473 	/**
474 	 * @rate_n_flags: RX rate/flags encoding
475 	 */
476 	__le32 rate_n_flags;
477 	/* DW10 */
478 	/**
479 	 * @energy_a: energy chain A
480 	 */
481 	u8 energy_a;
482 	/**
483 	 * @energy_b: energy chain B
484 	 */
485 	u8 energy_b;
486 	/**
487 	 * @channel: channel number
488 	 */
489 	u8 channel;
490 	/**
491 	 * @mac_context: MAC context mask
492 	 */
493 	u8 mac_context;
494 	/* DW11 */
495 	/**
496 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
497 	 */
498 	__le32 gp2_on_air_rise;
499 	/* DW12 & DW13 */
500 	union {
501 		/**
502 		 * @tsf_on_air_rise:
503 		 * TSF value on air rise (INA), only valid if
504 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
505 		 */
506 		__le64 tsf_on_air_rise;
507 
508 		struct {
509 			/**
510 			 * @phy_data0: depends on info_type, see @phy_data1
511 			 */
512 			__le32 phy_data0;
513 			/**
514 			 * @phy_data1: valid only if
515 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
516 			 * see &enum iwl_rx_phy_data1.
517 			 */
518 			__le32 phy_data1;
519 		};
520 	};
521 } __packed;
522 
523 /**
524  * struct iwl_rx_mpdu_desc_v3 - RX MPDU descriptor
525  */
526 struct iwl_rx_mpdu_desc_v3 {
527 	/* DW7 - carries filter_match only when rpa_en == 1 */
528 	union {
529 		/**
530 		 * @filter_match: filter match value
531 		 */
532 		__le32 filter_match;
533 
534 		/**
535 		 * @phy_data2: depends on info type (see @phy_data1)
536 		 */
537 		__le32 phy_data2;
538 	};
539 
540 	/* DW8 - carries rss_hash only when rpa_en == 1 */
541 	union {
542 		/**
543 		 * @rss_hash: RSS hash value
544 		 */
545 		__le32 rss_hash;
546 
547 		/**
548 		 * @phy_data3: depends on info type (see @phy_data1)
549 		 */
550 		__le32 phy_data3;
551 	};
552 	/* DW9 */
553 	/**
554 	 * @partial_hash: 31:0 ip/tcp header hash
555 	 *	w/o some fields (such as IP SRC addr)
556 	 */
557 	__le32 partial_hash;
558 	/* DW10 */
559 	/**
560 	 * @raw_xsum: raw xsum value
561 	 */
562 	__le32 raw_xsum;
563 	/* DW11 */
564 	/**
565 	 * @rate_n_flags: RX rate/flags encoding
566 	 */
567 	__le32 rate_n_flags;
568 	/* DW12 */
569 	/**
570 	 * @energy_a: energy chain A
571 	 */
572 	u8 energy_a;
573 	/**
574 	 * @energy_b: energy chain B
575 	 */
576 	u8 energy_b;
577 	/**
578 	 * @channel: channel number
579 	 */
580 	u8 channel;
581 	/**
582 	 * @mac_context: MAC context mask
583 	 */
584 	u8 mac_context;
585 	/* DW13 */
586 	/**
587 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
588 	 */
589 	__le32 gp2_on_air_rise;
590 	/* DW14 & DW15 */
591 	union {
592 		/**
593 		 * @tsf_on_air_rise:
594 		 * TSF value on air rise (INA), only valid if
595 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
596 		 */
597 		__le64 tsf_on_air_rise;
598 
599 		struct {
600 			/**
601 			 * @phy_data0: depends on info_type, see @phy_data1
602 			 */
603 			__le32 phy_data0;
604 			/**
605 			 * @phy_data1: valid only if
606 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
607 			 * see &enum iwl_rx_phy_data1.
608 			 */
609 			__le32 phy_data1;
610 		};
611 	};
612 	/* DW16 & DW17 */
613 	/**
614 	 * @reserved: reserved
615 	 */
616 	__le32 reserved[2];
617 } __packed; /* RX_MPDU_RES_START_API_S_VER_3 */
618 
619 /**
620  * struct iwl_rx_mpdu_desc - RX MPDU descriptor
621  */
622 struct iwl_rx_mpdu_desc {
623 	/* DW2 */
624 	/**
625 	 * @mpdu_len: MPDU length
626 	 */
627 	__le16 mpdu_len;
628 	/**
629 	 * @mac_flags1: &enum iwl_rx_mpdu_mac_flags1
630 	 */
631 	u8 mac_flags1;
632 	/**
633 	 * @mac_flags2: &enum iwl_rx_mpdu_mac_flags2
634 	 */
635 	u8 mac_flags2;
636 	/* DW3 */
637 	/**
638 	 * @amsdu_info: &enum iwl_rx_mpdu_amsdu_info
639 	 */
640 	u8 amsdu_info;
641 	/**
642 	 * @phy_info: &enum iwl_rx_mpdu_phy_info
643 	 */
644 	__le16 phy_info;
645 	/**
646 	 * @mac_phy_idx: MAC/PHY index
647 	 */
648 	u8 mac_phy_idx;
649 	/* DW4 - carries csum data only when rpa_en == 1 */
650 	/**
651 	 * @raw_csum: raw checksum (alledgedly unreliable)
652 	 */
653 	__le16 raw_csum;
654 
655 	union {
656 		/**
657 		 * @l3l4_flags: &enum iwl_rx_l3l4_flags
658 		 */
659 		__le16 l3l4_flags;
660 
661 		/**
662 		 * @phy_data4: depends on info type, see phy_data1
663 		 */
664 		__le16 phy_data4;
665 	};
666 	/* DW5 */
667 	/**
668 	 * @status: &enum iwl_rx_mpdu_status
669 	 */
670 	__le16 status;
671 	/**
672 	 * @hash_filter: hash filter value
673 	 */
674 	u8 hash_filter;
675 	/**
676 	 * @sta_id_flags: &enum iwl_rx_mpdu_sta_id_flags
677 	 */
678 	u8 sta_id_flags;
679 	/* DW6 */
680 	/**
681 	 * @reorder_data: &enum iwl_rx_mpdu_reorder_data
682 	 */
683 	__le32 reorder_data;
684 
685 	union {
686 		struct iwl_rx_mpdu_desc_v1 v1;
687 		struct iwl_rx_mpdu_desc_v3 v3;
688 	};
689 } __packed; /* RX_MPDU_RES_START_API_S_VER_3 */
690 
691 #define IWL_RX_DESC_SIZE_V1 offsetofend(struct iwl_rx_mpdu_desc, v1)
692 
693 #define IWL_CD_STTS_OPTIMIZED_POS	0
694 #define IWL_CD_STTS_OPTIMIZED_MSK	0x01
695 #define IWL_CD_STTS_TRANSFER_STATUS_POS	1
696 #define IWL_CD_STTS_TRANSFER_STATUS_MSK	0x0E
697 #define IWL_CD_STTS_WIFI_STATUS_POS	4
698 #define IWL_CD_STTS_WIFI_STATUS_MSK	0xF0
699 
700 #define RX_NO_DATA_CHAIN_A_POS		0
701 #define RX_NO_DATA_CHAIN_A_MSK		(0xff << RX_NO_DATA_CHAIN_A_POS)
702 #define RX_NO_DATA_CHAIN_B_POS		8
703 #define RX_NO_DATA_CHAIN_B_MSK		(0xff << RX_NO_DATA_CHAIN_B_POS)
704 #define RX_NO_DATA_CHANNEL_POS		16
705 #define RX_NO_DATA_CHANNEL_MSK		(0xff << RX_NO_DATA_CHANNEL_POS)
706 
707 #define RX_NO_DATA_INFO_TYPE_POS	0
708 #define RX_NO_DATA_INFO_TYPE_MSK	(0xff << RX_NO_DATA_INFO_TYPE_POS)
709 #define RX_NO_DATA_INFO_TYPE_NONE	0
710 #define RX_NO_DATA_INFO_TYPE_RX_ERR	1
711 #define RX_NO_DATA_INFO_TYPE_NDP	2
712 #define RX_NO_DATA_INFO_TYPE_MU_UNMATCHED	3
713 #define RX_NO_DATA_INFO_TYPE_HE_TB_UNMATCHED	4
714 
715 #define RX_NO_DATA_INFO_ERR_POS		8
716 #define RX_NO_DATA_INFO_ERR_MSK		(0xff << RX_NO_DATA_INFO_ERR_POS)
717 #define RX_NO_DATA_INFO_ERR_NONE	0
718 #define RX_NO_DATA_INFO_ERR_BAD_PLCP	1
719 #define RX_NO_DATA_INFO_ERR_UNSUPPORTED_RATE	2
720 #define RX_NO_DATA_INFO_ERR_NO_DELIM		3
721 #define RX_NO_DATA_INFO_ERR_BAD_MAC_HDR	4
722 
723 #define RX_NO_DATA_FRAME_TIME_POS	0
724 #define RX_NO_DATA_FRAME_TIME_MSK	(0xfffff << RX_NO_DATA_FRAME_TIME_POS)
725 
726 /**
727  * struct iwl_rx_no_data - RX no data descriptor
728  * @info: 7:0 frame type, 15:8 RX error type
729  * @rssi: 7:0 energy chain-A,
730  *	15:8 chain-B, measured at FINA time (FINA_ENERGY), 16:23 channel
731  * @on_air_rise_time: GP2 during on air rise
732  * @fr_time: frame time
733  * @rate: rate/mcs of frame
734  * @phy_info: &enum iwl_rx_phy_data0 and &enum iwl_rx_phy_info_type
735  * @rx_vec: DW-12:9 raw RX vectors from DSP according to modulation type.
736  *	for VHT: OFDM_RX_VECTOR_SIGA1_OUT, OFDM_RX_VECTOR_SIGA2_OUT
737  *	for HE: OFDM_RX_VECTOR_HE_SIGA1_OUT, OFDM_RX_VECTOR_HE_SIGA2_OUT
738  */
739 struct iwl_rx_no_data {
740 	__le32 info;
741 	__le32 rssi;
742 	__le32 on_air_rise_time;
743 	__le32 fr_time;
744 	__le32 rate;
745 	__le32 phy_info[2];
746 	__le32 rx_vec[3];
747 } __packed; /* RX_NO_DATA_NTFY_API_S_VER_1 */
748 
749 /**
750  * enum iwl_completion_desc_transfer_status -  transfer status (bits 1-3)
751  * @IWL_CD_STTS_UNUSED: unused
752  * @IWL_CD_STTS_UNUSED_2: unused
753  * @IWL_CD_STTS_END_TRANSFER: successful transfer complete.
754  *	In sniffer mode, when split is used, set in last CD completion. (RX)
755  * @IWL_CD_STTS_OVERFLOW: In sniffer mode, when using split - used for
756  *	all CD completion. (RX)
757  * @IWL_CD_STTS_ABORTED: CR abort / close flow. (RX)
758  * @IWL_CD_STTS_ERROR: general error (RX)
759  */
760 enum iwl_completion_desc_transfer_status {
761 	IWL_CD_STTS_UNUSED,
762 	IWL_CD_STTS_UNUSED_2,
763 	IWL_CD_STTS_END_TRANSFER,
764 	IWL_CD_STTS_OVERFLOW,
765 	IWL_CD_STTS_ABORTED,
766 	IWL_CD_STTS_ERROR,
767 };
768 
769 /**
770  * enum iwl_completion_desc_wifi_status - wifi status (bits 4-7)
771  * @IWL_CD_STTS_VALID: the packet is valid (RX)
772  * @IWL_CD_STTS_FCS_ERR: frame check sequence error (RX)
773  * @IWL_CD_STTS_SEC_KEY_ERR: error handling the security key of rx (RX)
774  * @IWL_CD_STTS_DECRYPTION_ERR: error decrypting the frame (RX)
775  * @IWL_CD_STTS_DUP: duplicate packet (RX)
776  * @IWL_CD_STTS_ICV_MIC_ERR: MIC error (RX)
777  * @IWL_CD_STTS_INTERNAL_SNAP_ERR: problems removing the snap (RX)
778  * @IWL_CD_STTS_SEC_PORT_FAIL: security port fail (RX)
779  * @IWL_CD_STTS_BA_OLD_SN: block ack received old SN (RX)
780  * @IWL_CD_STTS_QOS_NULL: QoS null packet (RX)
781  * @IWL_CD_STTS_MAC_HDR_ERR: MAC header conversion error (RX)
782  * @IWL_CD_STTS_MAX_RETRANS: reached max number of retransmissions (TX)
783  * @IWL_CD_STTS_EX_LIFETIME: exceeded lifetime (TX)
784  * @IWL_CD_STTS_NOT_USED: completed but not used (RX)
785  * @IWL_CD_STTS_REPLAY_ERR: pn check failed, replay error (RX)
786  */
787 enum iwl_completion_desc_wifi_status {
788 	IWL_CD_STTS_VALID,
789 	IWL_CD_STTS_FCS_ERR,
790 	IWL_CD_STTS_SEC_KEY_ERR,
791 	IWL_CD_STTS_DECRYPTION_ERR,
792 	IWL_CD_STTS_DUP,
793 	IWL_CD_STTS_ICV_MIC_ERR,
794 	IWL_CD_STTS_INTERNAL_SNAP_ERR,
795 	IWL_CD_STTS_SEC_PORT_FAIL,
796 	IWL_CD_STTS_BA_OLD_SN,
797 	IWL_CD_STTS_QOS_NULL,
798 	IWL_CD_STTS_MAC_HDR_ERR,
799 	IWL_CD_STTS_MAX_RETRANS,
800 	IWL_CD_STTS_EX_LIFETIME,
801 	IWL_CD_STTS_NOT_USED,
802 	IWL_CD_STTS_REPLAY_ERR,
803 };
804 
805 struct iwl_frame_release {
806 	u8 baid;
807 	u8 reserved;
808 	__le16 nssn;
809 };
810 
811 enum iwl_rss_hash_func_en {
812 	IWL_RSS_HASH_TYPE_IPV4_TCP,
813 	IWL_RSS_HASH_TYPE_IPV4_UDP,
814 	IWL_RSS_HASH_TYPE_IPV4_PAYLOAD,
815 	IWL_RSS_HASH_TYPE_IPV6_TCP,
816 	IWL_RSS_HASH_TYPE_IPV6_UDP,
817 	IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
818 };
819 
820 #define IWL_RSS_HASH_KEY_CNT 10
821 #define IWL_RSS_INDIRECTION_TABLE_SIZE 128
822 #define IWL_RSS_ENABLE 1
823 
824 /**
825  * struct iwl_rss_config_cmd - RSS (Receive Side Scaling) configuration
826  *
827  * @flags: 1 - enable, 0 - disable
828  * @hash_mask: Type of RSS to use. Values are from %iwl_rss_hash_func_en
829  * @reserved: reserved
830  * @secret_key: 320 bit input of random key configuration from driver
831  * @indirection_table: indirection table
832  */
833 struct iwl_rss_config_cmd {
834 	__le32 flags;
835 	u8 hash_mask;
836 	u8 reserved[3];
837 	__le32 secret_key[IWL_RSS_HASH_KEY_CNT];
838 	u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE];
839 } __packed; /* RSS_CONFIG_CMD_API_S_VER_1 */
840 
841 #define IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE 128
842 #define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0
843 #define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf
844 
845 /**
846  * struct iwl_rxq_sync_cmd - RXQ notification trigger
847  *
848  * @flags: flags of the notification. bit 0:3 are the sender queue
849  * @rxq_mask: rx queues to send the notification on
850  * @count: number of bytes in payload, should be DWORD aligned
851  * @payload: data to send to rx queues
852  */
853 struct iwl_rxq_sync_cmd {
854 	__le32 flags;
855 	__le32 rxq_mask;
856 	__le32 count;
857 	u8 payload[];
858 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
859 
860 /**
861  * struct iwl_rxq_sync_notification - Notification triggered by RXQ
862  * sync command
863  *
864  * @count: number of bytes in payload
865  * @payload: data to send to rx queues
866  */
867 struct iwl_rxq_sync_notification {
868 	__le32 count;
869 	u8 payload[];
870 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
871 
872 /**
873  * enum iwl_mvm_rxq_notif_type - Internal message identifier
874  *
875  * @IWL_MVM_RXQ_EMPTY: empty sync notification
876  * @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA
877  */
878 enum iwl_mvm_rxq_notif_type {
879 	IWL_MVM_RXQ_EMPTY,
880 	IWL_MVM_RXQ_NOTIF_DEL_BA,
881 };
882 
883 /**
884  * struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent
885  * in &iwl_rxq_sync_cmd. Should be DWORD aligned.
886  * FW is agnostic to the payload, so there are no endianity requirements.
887  *
888  * @type: value from &iwl_mvm_rxq_notif_type
889  * @sync: ctrl path is waiting for all notifications to be received
890  * @cookie: internal cookie to identify old notifications
891  * @data: payload
892  */
893 struct iwl_mvm_internal_rxq_notif {
894 	u16 type;
895 	u16 sync;
896 	u32 cookie;
897 	u8 data[];
898 } __packed;
899 
900 /**
901  * enum iwl_mvm_pm_event - type of station PM event
902  * @IWL_MVM_PM_EVENT_AWAKE: station woke up
903  * @IWL_MVM_PM_EVENT_ASLEEP: station went to sleep
904  * @IWL_MVM_PM_EVENT_UAPSD: station sent uAPSD trigger
905  * @IWL_MVM_PM_EVENT_PS_POLL: station sent PS-Poll
906  */
907 enum iwl_mvm_pm_event {
908 	IWL_MVM_PM_EVENT_AWAKE,
909 	IWL_MVM_PM_EVENT_ASLEEP,
910 	IWL_MVM_PM_EVENT_UAPSD,
911 	IWL_MVM_PM_EVENT_PS_POLL,
912 }; /* PEER_PM_NTFY_API_E_VER_1 */
913 
914 /**
915  * struct iwl_mvm_pm_state_notification - station PM state notification
916  * @sta_id: station ID of the station changing state
917  * @type: the new powersave state, see &enum iwl_mvm_pm_event
918  */
919 struct iwl_mvm_pm_state_notification {
920 	u8 sta_id;
921 	u8 type;
922 	/* private: */
923 	__le16 reserved;
924 } __packed; /* PEER_PM_NTFY_API_S_VER_1 */
925 
926 #define BA_WINDOW_STREAMS_MAX		16
927 #define BA_WINDOW_STATUS_TID_MSK	0x000F
928 #define BA_WINDOW_STATUS_STA_ID_POS	4
929 #define BA_WINDOW_STATUS_STA_ID_MSK	0x01F0
930 #define BA_WINDOW_STATUS_VALID_MSK	BIT(9)
931 
932 /**
933  * struct iwl_ba_window_status_notif - reordering window's status notification
934  * @bitmap: bitmap of received frames [start_seq_num + 0]..[start_seq_num + 63]
935  * @ra_tid: bit 3:0 - TID, bit 8:4 - STA_ID, bit 9 - valid
936  * @start_seq_num: the start sequence number of the bitmap
937  * @mpdu_rx_count: the number of received MPDUs since entering D0i3
938  */
939 struct iwl_ba_window_status_notif {
940 	__le64 bitmap[BA_WINDOW_STREAMS_MAX];
941 	__le16 ra_tid[BA_WINDOW_STREAMS_MAX];
942 	__le32 start_seq_num[BA_WINDOW_STREAMS_MAX];
943 	__le16 mpdu_rx_count[BA_WINDOW_STREAMS_MAX];
944 } __packed; /* BA_WINDOW_STATUS_NTFY_API_S_VER_1 */
945 
946 /**
947  * struct iwl_rfh_queue_config - RX queue configuration
948  * @q_num: Q num
949  * @enable: enable queue
950  * @reserved: alignment
951  * @urbd_stts_wrptr: DMA address of urbd_stts_wrptr
952  * @fr_bd_cb: DMA address of freeRB table
953  * @ur_bd_cb: DMA address of used RB table
954  * @fr_bd_wid: Initial index of the free table
955  */
956 struct iwl_rfh_queue_data {
957 	u8 q_num;
958 	u8 enable;
959 	__le16 reserved;
960 	__le64 urbd_stts_wrptr;
961 	__le64 fr_bd_cb;
962 	__le64 ur_bd_cb;
963 	__le32 fr_bd_wid;
964 } __packed; /* RFH_QUEUE_CONFIG_S_VER_1 */
965 
966 /**
967  * struct iwl_rfh_queue_config - RX queue configuration
968  * @num_queues: number of queues configured
969  * @reserved: alignment
970  * @data: DMA addresses per-queue
971  */
972 struct iwl_rfh_queue_config {
973 	u8 num_queues;
974 	u8 reserved[3];
975 	struct iwl_rfh_queue_data data[];
976 } __packed; /* RFH_QUEUE_CONFIG_API_S_VER_1 */
977 
978 #endif /* __iwl_fw_api_rx_h__ */
979