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1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5  * Copyright (C) 2015-2017 Intel Deutschland GmbH
6  */
7 #ifndef __iwl_fw_api_rx_h__
8 #define __iwl_fw_api_rx_h__
9 
10 /* API for pre-9000 hardware */
11 
12 #define IWL_RX_INFO_PHY_CNT 8
13 #define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1
14 #define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff
15 #define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00
16 #define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000
17 #define IWL_RX_INFO_ENERGY_ANT_A_POS 0
18 #define IWL_RX_INFO_ENERGY_ANT_B_POS 8
19 #define IWL_RX_INFO_ENERGY_ANT_C_POS 16
20 
21 enum iwl_mac_context_info {
22 	MAC_CONTEXT_INFO_NONE,
23 	MAC_CONTEXT_INFO_GSCAN,
24 };
25 
26 /**
27  * struct iwl_rx_phy_info - phy info
28  * (REPLY_RX_PHY_CMD = 0xc0)
29  * @non_cfg_phy_cnt: non configurable DSP phy data byte count
30  * @cfg_phy_cnt: configurable DSP phy data byte count
31  * @stat_id: configurable DSP phy data set ID
32  * @reserved1: reserved
33  * @system_timestamp: GP2  at on air rise
34  * @timestamp: TSF at on air rise
35  * @beacon_time_stamp: beacon at on-air rise
36  * @phy_flags: general phy flags: band, modulation, ...
37  * @channel: channel number
38  * @non_cfg_phy: for various implementations of non_cfg_phy
39  * @rate_n_flags: RATE_MCS_*
40  * @byte_count: frame's byte-count
41  * @frame_time: frame's time on the air, based on byte count and frame rate
42  *	calculation
43  * @mac_active_msk: what MACs were active when the frame was received
44  * @mac_context_info: additional info on the context in which the frame was
45  *	received as defined in &enum iwl_mac_context_info
46  *
47  * Before each Rx, the device sends this data. It contains PHY information
48  * about the reception of the packet.
49  */
50 struct iwl_rx_phy_info {
51 	u8 non_cfg_phy_cnt;
52 	u8 cfg_phy_cnt;
53 	u8 stat_id;
54 	u8 reserved1;
55 	__le32 system_timestamp;
56 	__le64 timestamp;
57 	__le32 beacon_time_stamp;
58 	__le16 phy_flags;
59 	__le16 channel;
60 	__le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
61 	__le32 rate_n_flags;
62 	__le32 byte_count;
63 	u8 mac_active_msk;
64 	u8 mac_context_info;
65 	__le16 frame_time;
66 } __packed;
67 
68 /*
69  * TCP offload Rx assist info
70  *
71  * bits 0:3 - reserved
72  * bits 4:7 - MIC CRC length
73  * bits 8:12 - MAC header length
74  * bit 13 - Padding indication
75  * bit 14 - A-AMSDU indication
76  * bit 15 - Offload enabled
77  */
78 enum iwl_csum_rx_assist_info {
79 	CSUM_RXA_RESERVED_MASK	= 0x000f,
80 	CSUM_RXA_MICSIZE_MASK	= 0x00f0,
81 	CSUM_RXA_HEADERLEN_MASK	= 0x1f00,
82 	CSUM_RXA_PADD		= BIT(13),
83 	CSUM_RXA_AMSDU		= BIT(14),
84 	CSUM_RXA_ENA		= BIT(15)
85 };
86 
87 /**
88  * struct iwl_rx_mpdu_res_start - phy info
89  * @byte_count: byte count of the frame
90  * @assist: see &enum iwl_csum_rx_assist_info
91  */
92 struct iwl_rx_mpdu_res_start {
93 	__le16 byte_count;
94 	__le16 assist;
95 } __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */
96 
97 /**
98  * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
99  * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
100  * @RX_RES_PHY_FLAGS_MOD_CCK: modulation is CCK
101  * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
102  * @RX_RES_PHY_FLAGS_NARROW_BAND: narrow band (<20 MHz) receive
103  * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
104  * @RX_RES_PHY_FLAGS_ANTENNA_POS: antenna bit position
105  * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
106  * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
107  * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
108  * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
109  */
110 enum iwl_rx_phy_flags {
111 	RX_RES_PHY_FLAGS_BAND_24	= BIT(0),
112 	RX_RES_PHY_FLAGS_MOD_CCK	= BIT(1),
113 	RX_RES_PHY_FLAGS_SHORT_PREAMBLE	= BIT(2),
114 	RX_RES_PHY_FLAGS_NARROW_BAND	= BIT(3),
115 	RX_RES_PHY_FLAGS_ANTENNA	= (0x7 << 4),
116 	RX_RES_PHY_FLAGS_ANTENNA_POS	= 4,
117 	RX_RES_PHY_FLAGS_AGG		= BIT(7),
118 	RX_RES_PHY_FLAGS_OFDM_HT	= BIT(8),
119 	RX_RES_PHY_FLAGS_OFDM_GF	= BIT(9),
120 	RX_RES_PHY_FLAGS_OFDM_VHT	= BIT(10),
121 };
122 
123 /**
124  * enum iwl_mvm_rx_status - written by fw for each Rx packet
125  * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
126  * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
127  * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: station was found
128  * @RX_MPDU_RES_STATUS_KEY_VALID: key was valid
129  * @RX_MPDU_RES_STATUS_KEY_PARAM_OK: key parameters were usable
130  * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
131  * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
132  *	in the driver.
133  * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
134  * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR:  valid for alg = CCM_CMAC or
135  *	alg = CCM only. Checks replay attack for 11w frames. Relevant only if
136  *	%RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set.
137  * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
138  * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
139  * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
140  * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
141  * @RX_MPDU_RES_STATUS_SEC_EXT_ENC: this frame is encrypted using extension
142  *	algorithm
143  * @RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC: this frame is protected using
144  *	CMAC or GMAC
145  * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
146  * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
147  * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
148  * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: extended IV (set with TKIP)
149  * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: key ID comparison done
150  * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame
151  * @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw
152  * @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors
153  * @RX_MPDU_RES_STATUS_STA_ID_MSK: station ID mask
154  * @RX_MDPU_RES_STATUS_STA_ID_SHIFT: station ID bit shift
155  */
156 enum iwl_mvm_rx_status {
157 	RX_MPDU_RES_STATUS_CRC_OK			= BIT(0),
158 	RX_MPDU_RES_STATUS_OVERRUN_OK			= BIT(1),
159 	RX_MPDU_RES_STATUS_SRC_STA_FOUND		= BIT(2),
160 	RX_MPDU_RES_STATUS_KEY_VALID			= BIT(3),
161 	RX_MPDU_RES_STATUS_KEY_PARAM_OK			= BIT(4),
162 	RX_MPDU_RES_STATUS_ICV_OK			= BIT(5),
163 	RX_MPDU_RES_STATUS_MIC_OK			= BIT(6),
164 	RX_MPDU_RES_STATUS_TTAK_OK			= BIT(7),
165 	RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR		= BIT(7),
166 	RX_MPDU_RES_STATUS_SEC_NO_ENC			= (0 << 8),
167 	RX_MPDU_RES_STATUS_SEC_WEP_ENC			= (1 << 8),
168 	RX_MPDU_RES_STATUS_SEC_CCM_ENC			= (2 << 8),
169 	RX_MPDU_RES_STATUS_SEC_TKIP_ENC			= (3 << 8),
170 	RX_MPDU_RES_STATUS_SEC_EXT_ENC			= (4 << 8),
171 	RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC		= (6 << 8),
172 	RX_MPDU_RES_STATUS_SEC_ENC_ERR			= (7 << 8),
173 	RX_MPDU_RES_STATUS_SEC_ENC_MSK			= (7 << 8),
174 	RX_MPDU_RES_STATUS_DEC_DONE			= BIT(11),
175 	RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP		= BIT(13),
176 	RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT		= BIT(14),
177 	RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME		= BIT(15),
178 	RX_MPDU_RES_STATUS_CSUM_DONE			= BIT(16),
179 	RX_MPDU_RES_STATUS_CSUM_OK			= BIT(17),
180 	RX_MDPU_RES_STATUS_STA_ID_SHIFT			= 24,
181 	RX_MPDU_RES_STATUS_STA_ID_MSK			= 0x1f << RX_MDPU_RES_STATUS_STA_ID_SHIFT,
182 };
183 
184 /* 9000 series API */
185 enum iwl_rx_mpdu_mac_flags1 {
186 	IWL_RX_MDPU_MFLG1_ADDRTYPE_MASK		= 0x03,
187 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK	= 0xf0,
188 	/* shift should be 4, but the length is measured in 2-byte
189 	 * words, so shifting only by 3 gives a byte result
190 	 */
191 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_SHIFT	= 3,
192 };
193 
194 enum iwl_rx_mpdu_mac_flags2 {
195 	/* in 2-byte words */
196 	IWL_RX_MPDU_MFLG2_HDR_LEN_MASK		= 0x1f,
197 	IWL_RX_MPDU_MFLG2_PAD			= 0x20,
198 	IWL_RX_MPDU_MFLG2_AMSDU			= 0x40,
199 };
200 
201 enum iwl_rx_mpdu_amsdu_info {
202 	IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK	= 0x7f,
203 	IWL_RX_MPDU_AMSDU_LAST_SUBFRAME		= 0x80,
204 };
205 
206 #define RX_MPDU_BAND_POS 6
207 #define RX_MPDU_BAND_MASK 0xC0
208 #define BAND_IN_RX_STATUS(_val) \
209 	(((_val) & RX_MPDU_BAND_MASK) >> RX_MPDU_BAND_POS)
210 
211 enum iwl_rx_l3_proto_values {
212 	IWL_RX_L3_TYPE_NONE,
213 	IWL_RX_L3_TYPE_IPV4,
214 	IWL_RX_L3_TYPE_IPV4_FRAG,
215 	IWL_RX_L3_TYPE_IPV6_FRAG,
216 	IWL_RX_L3_TYPE_IPV6,
217 	IWL_RX_L3_TYPE_IPV6_IN_IPV4,
218 	IWL_RX_L3_TYPE_ARP,
219 	IWL_RX_L3_TYPE_EAPOL,
220 };
221 
222 #define IWL_RX_L3_PROTO_POS 4
223 
224 enum iwl_rx_l3l4_flags {
225 	IWL_RX_L3L4_IP_HDR_CSUM_OK		= BIT(0),
226 	IWL_RX_L3L4_TCP_UDP_CSUM_OK		= BIT(1),
227 	IWL_RX_L3L4_TCP_FIN_SYN_RST_PSH		= BIT(2),
228 	IWL_RX_L3L4_TCP_ACK			= BIT(3),
229 	IWL_RX_L3L4_L3_PROTO_MASK		= 0xf << IWL_RX_L3_PROTO_POS,
230 	IWL_RX_L3L4_L4_PROTO_MASK		= 0xf << 8,
231 	IWL_RX_L3L4_RSS_HASH_MASK		= 0xf << 12,
232 };
233 
234 enum iwl_rx_mpdu_status {
235 	IWL_RX_MPDU_STATUS_CRC_OK		= BIT(0),
236 	IWL_RX_MPDU_STATUS_OVERRUN_OK		= BIT(1),
237 	IWL_RX_MPDU_STATUS_SRC_STA_FOUND	= BIT(2),
238 	IWL_RX_MPDU_STATUS_KEY_VALID		= BIT(3),
239 	IWL_RX_MPDU_STATUS_KEY_PARAM_OK		= BIT(4),
240 	IWL_RX_MPDU_STATUS_ICV_OK		= BIT(5),
241 	IWL_RX_MPDU_STATUS_MIC_OK		= BIT(6),
242 	IWL_RX_MPDU_RES_STATUS_TTAK_OK		= BIT(7),
243 	/* overlayed since IWL_UCODE_TLV_API_DEPRECATE_TTAK */
244 	IWL_RX_MPDU_STATUS_REPLAY_ERROR		= BIT(7),
245 	IWL_RX_MPDU_STATUS_SEC_MASK		= 0x7 << 8,
246 	IWL_RX_MPDU_STATUS_SEC_UNKNOWN		= IWL_RX_MPDU_STATUS_SEC_MASK,
247 	IWL_RX_MPDU_STATUS_SEC_NONE		= 0x0 << 8,
248 	IWL_RX_MPDU_STATUS_SEC_WEP		= 0x1 << 8,
249 	IWL_RX_MPDU_STATUS_SEC_CCM		= 0x2 << 8,
250 	IWL_RX_MPDU_STATUS_SEC_TKIP		= 0x3 << 8,
251 	IWL_RX_MPDU_STATUS_SEC_EXT_ENC		= 0x4 << 8,
252 	IWL_RX_MPDU_STATUS_SEC_GCM		= 0x5 << 8,
253 	IWL_RX_MPDU_STATUS_DECRYPTED		= BIT(11),
254 	IWL_RX_MPDU_STATUS_WEP_MATCH		= BIT(12),
255 	IWL_RX_MPDU_STATUS_EXT_IV_MATCH		= BIT(13),
256 	IWL_RX_MPDU_STATUS_KEY_ID_MATCH		= BIT(14),
257 	IWL_RX_MPDU_STATUS_ROBUST_MNG_FRAME	= BIT(15),
258 
259 	IWL_RX_MPDU_STATUS_KEY			= 0x3f0000,
260 	IWL_RX_MPDU_STATUS_DUPLICATE		= BIT(22),
261 
262 	IWL_RX_MPDU_STATUS_STA_ID		= 0x1f000000,
263 };
264 
265 #define IWL_RX_REORDER_DATA_INVALID_BAID 0x7f
266 
267 enum iwl_rx_mpdu_reorder_data {
268 	IWL_RX_MPDU_REORDER_NSSN_MASK		= 0x00000fff,
269 	IWL_RX_MPDU_REORDER_SN_MASK		= 0x00fff000,
270 	IWL_RX_MPDU_REORDER_SN_SHIFT		= 12,
271 	IWL_RX_MPDU_REORDER_BAID_MASK		= 0x7f000000,
272 	IWL_RX_MPDU_REORDER_BAID_SHIFT		= 24,
273 	IWL_RX_MPDU_REORDER_BA_OLD_SN		= 0x80000000,
274 };
275 
276 enum iwl_rx_mpdu_phy_info {
277 	IWL_RX_MPDU_PHY_AMPDU		= BIT(5),
278 	IWL_RX_MPDU_PHY_AMPDU_TOGGLE	= BIT(6),
279 	IWL_RX_MPDU_PHY_SHORT_PREAMBLE	= BIT(7),
280 	/* short preamble is only for CCK, for non-CCK overridden by this */
281 	IWL_RX_MPDU_PHY_NCCK_ADDTL_NTFY	= BIT(7),
282 	IWL_RX_MPDU_PHY_TSF_OVERLOAD	= BIT(8),
283 };
284 
285 enum iwl_rx_mpdu_mac_info {
286 	IWL_RX_MPDU_PHY_MAC_INDEX_MASK		= 0x0f,
287 	IWL_RX_MPDU_PHY_PHY_INDEX_MASK		= 0xf0,
288 };
289 
290 /* TSF overload low dword */
291 enum iwl_rx_phy_data0 {
292 	/* info type: HE any */
293 	IWL_RX_PHY_DATA0_HE_BEAM_CHNG				= 0x00000001,
294 	IWL_RX_PHY_DATA0_HE_UPLINK				= 0x00000002,
295 	IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK			= 0x000000fc,
296 	IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK			= 0x00000f00,
297 	/* 1 bit reserved */
298 	IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK			= 0x000fe000,
299 	IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM			= 0x00100000,
300 	IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK			= 0x00600000,
301 	IWL_RX_PHY_DATA0_HE_PE_DISAMBIG				= 0x00800000,
302 	IWL_RX_PHY_DATA0_HE_DOPPLER				= 0x01000000,
303 	/* 6 bits reserved */
304 	IWL_RX_PHY_DATA0_HE_DELIM_EOF				= 0x80000000,
305 };
306 
307 enum iwl_rx_phy_info_type {
308 	IWL_RX_PHY_INFO_TYPE_NONE				= 0,
309 	IWL_RX_PHY_INFO_TYPE_CCK				= 1,
310 	IWL_RX_PHY_INFO_TYPE_OFDM_LGCY				= 2,
311 	IWL_RX_PHY_INFO_TYPE_HT					= 3,
312 	IWL_RX_PHY_INFO_TYPE_VHT_SU				= 4,
313 	IWL_RX_PHY_INFO_TYPE_VHT_MU				= 5,
314 	IWL_RX_PHY_INFO_TYPE_HE_SU				= 6,
315 	IWL_RX_PHY_INFO_TYPE_HE_MU				= 7,
316 	IWL_RX_PHY_INFO_TYPE_HE_TB				= 8,
317 	IWL_RX_PHY_INFO_TYPE_HE_MU_EXT				= 9,
318 	IWL_RX_PHY_INFO_TYPE_HE_TB_EXT				= 10,
319 };
320 
321 /* TSF overload high dword */
322 enum iwl_rx_phy_data1 {
323 	/*
324 	 * check this first - if TSF overload is set,
325 	 * see &enum iwl_rx_phy_info_type
326 	 */
327 	IWL_RX_PHY_DATA1_INFO_TYPE_MASK				= 0xf0000000,
328 
329 	/* info type: HT/VHT/HE any */
330 	IWL_RX_PHY_DATA1_LSIG_LEN_MASK				= 0x0fff0000,
331 
332 	/* info type: HE MU/MU-EXT */
333 	IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION			= 0x00000001,
334 	IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK	= 0x0000001e,
335 
336 	/* info type: HE any */
337 	IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK			= 0x000000e0,
338 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80			= 0x00000100,
339 	/* trigger encoded */
340 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK			= 0x0000fe00,
341 
342 	/* info type: HE TB/TX-EXT */
343 	IWL_RX_PHY_DATA1_HE_TB_PILOT_TYPE			= 0x00000001,
344 	IWL_RX_PHY_DATA1_HE_TB_LOW_SS_MASK			= 0x0000000e,
345 };
346 
347 /* goes into Metadata DW 7 */
348 enum iwl_rx_phy_data2 {
349 	/* info type: HE MU-EXT */
350 	/* the a1/a2/... is what the PHY/firmware calls the values */
351 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0		= 0x000000ff, /* a1 */
352 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2		= 0x0000ff00, /* a2 */
353 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0		= 0x00ff0000, /* b1 */
354 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2		= 0xff000000, /* b2 */
355 
356 	/* info type: HE TB-EXT */
357 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1		= 0x0000000f,
358 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2		= 0x000000f0,
359 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3		= 0x00000f00,
360 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4		= 0x0000f000,
361 };
362 
363 /* goes into Metadata DW 8 */
364 enum iwl_rx_phy_data3 {
365 	/* info type: HE MU-EXT */
366 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1		= 0x000000ff, /* c1 */
367 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3		= 0x0000ff00, /* c2 */
368 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1		= 0x00ff0000, /* d1 */
369 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3		= 0xff000000, /* d2 */
370 };
371 
372 /* goes into Metadata DW 4 high 16 bits */
373 enum iwl_rx_phy_data4 {
374 	/* info type: HE MU-EXT */
375 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU			= 0x0001,
376 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU			= 0x0002,
377 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK			= 0x0004,
378 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK			= 0x0008,
379 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK		= 0x00f0,
380 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM			= 0x0100,
381 	IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK	= 0x0600,
382 };
383 
384 /**
385  * struct iwl_rx_mpdu_desc_v1 - RX MPDU descriptor
386  */
387 struct iwl_rx_mpdu_desc_v1 {
388 	/* DW7 - carries rss_hash only when rpa_en == 1 */
389 	union {
390 		/**
391 		 * @rss_hash: RSS hash value
392 		 */
393 		__le32 rss_hash;
394 
395 		/**
396 		 * @phy_data2: depends on info type (see @phy_data1)
397 		 */
398 		__le32 phy_data2;
399 	};
400 
401 	/* DW8 - carries filter_match only when rpa_en == 1 */
402 	union {
403 		/**
404 		 * @filter_match: filter match value
405 		 */
406 		__le32 filter_match;
407 
408 		/**
409 		 * @phy_data3: depends on info type (see @phy_data1)
410 		 */
411 		__le32 phy_data3;
412 	};
413 
414 	/* DW9 */
415 	/**
416 	 * @rate_n_flags: RX rate/flags encoding
417 	 */
418 	__le32 rate_n_flags;
419 	/* DW10 */
420 	/**
421 	 * @energy_a: energy chain A
422 	 */
423 	u8 energy_a;
424 	/**
425 	 * @energy_b: energy chain B
426 	 */
427 	u8 energy_b;
428 	/**
429 	 * @channel: channel number
430 	 */
431 	u8 channel;
432 	/**
433 	 * @mac_context: MAC context mask
434 	 */
435 	u8 mac_context;
436 	/* DW11 */
437 	/**
438 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
439 	 */
440 	__le32 gp2_on_air_rise;
441 	/* DW12 & DW13 */
442 	union {
443 		/**
444 		 * @tsf_on_air_rise:
445 		 * TSF value on air rise (INA), only valid if
446 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
447 		 */
448 		__le64 tsf_on_air_rise;
449 
450 		struct {
451 			/**
452 			 * @phy_data0: depends on info_type, see @phy_data1
453 			 */
454 			__le32 phy_data0;
455 			/**
456 			 * @phy_data1: valid only if
457 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
458 			 * see &enum iwl_rx_phy_data1.
459 			 */
460 			__le32 phy_data1;
461 		};
462 	};
463 } __packed;
464 
465 /**
466  * struct iwl_rx_mpdu_desc_v3 - RX MPDU descriptor
467  */
468 struct iwl_rx_mpdu_desc_v3 {
469 	/* DW7 - carries filter_match only when rpa_en == 1 */
470 	union {
471 		/**
472 		 * @filter_match: filter match value
473 		 */
474 		__le32 filter_match;
475 
476 		/**
477 		 * @phy_data3: depends on info type (see @phy_data1)
478 		 */
479 		__le32 phy_data3;
480 	};
481 
482 	/* DW8 - carries rss_hash only when rpa_en == 1 */
483 	union {
484 		/**
485 		 * @rss_hash: RSS hash value
486 		 */
487 		__le32 rss_hash;
488 
489 		/**
490 		 * @phy_data2: depends on info type (see @phy_data1)
491 		 */
492 		__le32 phy_data2;
493 	};
494 	/* DW9 */
495 	/**
496 	 * @partial_hash: 31:0 ip/tcp header hash
497 	 *	w/o some fields (such as IP SRC addr)
498 	 */
499 	__le32 partial_hash;
500 	/* DW10 */
501 	/**
502 	 * @raw_xsum: raw xsum value
503 	 */
504 	__be16 raw_xsum;
505 	/**
506 	 * @reserved_xsum: reserved high bits in the raw checksum
507 	 */
508 	__le16 reserved_xsum;
509 	/* DW11 */
510 	/**
511 	 * @rate_n_flags: RX rate/flags encoding
512 	 */
513 	__le32 rate_n_flags;
514 	/* DW12 */
515 	/**
516 	 * @energy_a: energy chain A
517 	 */
518 	u8 energy_a;
519 	/**
520 	 * @energy_b: energy chain B
521 	 */
522 	u8 energy_b;
523 	/**
524 	 * @channel: channel number
525 	 */
526 	u8 channel;
527 	/**
528 	 * @mac_context: MAC context mask
529 	 */
530 	u8 mac_context;
531 	/* DW13 */
532 	/**
533 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
534 	 */
535 	__le32 gp2_on_air_rise;
536 	/* DW14 & DW15 */
537 	union {
538 		/**
539 		 * @tsf_on_air_rise:
540 		 * TSF value on air rise (INA), only valid if
541 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
542 		 */
543 		__le64 tsf_on_air_rise;
544 
545 		struct {
546 			/**
547 			 * @phy_data0: depends on info_type, see @phy_data1
548 			 */
549 			__le32 phy_data0;
550 			/**
551 			 * @phy_data1: valid only if
552 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
553 			 * see &enum iwl_rx_phy_data1.
554 			 */
555 			__le32 phy_data1;
556 		};
557 	};
558 	/* DW16 & DW17 */
559 	/**
560 	 * @reserved: reserved
561 	 */
562 	__le32 reserved[2];
563 } __packed; /* RX_MPDU_RES_START_API_S_VER_3 */
564 
565 /**
566  * struct iwl_rx_mpdu_desc - RX MPDU descriptor
567  */
568 struct iwl_rx_mpdu_desc {
569 	/* DW2 */
570 	/**
571 	 * @mpdu_len: MPDU length
572 	 */
573 	__le16 mpdu_len;
574 	/**
575 	 * @mac_flags1: &enum iwl_rx_mpdu_mac_flags1
576 	 */
577 	u8 mac_flags1;
578 	/**
579 	 * @mac_flags2: &enum iwl_rx_mpdu_mac_flags2
580 	 */
581 	u8 mac_flags2;
582 	/* DW3 */
583 	/**
584 	 * @amsdu_info: &enum iwl_rx_mpdu_amsdu_info
585 	 */
586 	u8 amsdu_info;
587 	/**
588 	 * @phy_info: &enum iwl_rx_mpdu_phy_info
589 	 */
590 	__le16 phy_info;
591 	/**
592 	 * @mac_phy_idx: MAC/PHY index
593 	 */
594 	u8 mac_phy_idx;
595 	/* DW4 - carries csum data only when rpa_en == 1 */
596 	/**
597 	 * @raw_csum: raw checksum (alledgedly unreliable)
598 	 */
599 	__le16 raw_csum;
600 
601 	union {
602 		/**
603 		 * @l3l4_flags: &enum iwl_rx_l3l4_flags
604 		 */
605 		__le16 l3l4_flags;
606 
607 		/**
608 		 * @phy_data4: depends on info type, see phy_data1
609 		 */
610 		__le16 phy_data4;
611 	};
612 	/* DW5 */
613 	/**
614 	 * @status: &enum iwl_rx_mpdu_status
615 	 */
616 	__le32 status;
617 
618 	/* DW6 */
619 	/**
620 	 * @reorder_data: &enum iwl_rx_mpdu_reorder_data
621 	 */
622 	__le32 reorder_data;
623 
624 	union {
625 		struct iwl_rx_mpdu_desc_v1 v1;
626 		struct iwl_rx_mpdu_desc_v3 v3;
627 	};
628 } __packed; /* RX_MPDU_RES_START_API_S_VER_3 */
629 
630 #define IWL_RX_DESC_SIZE_V1 offsetofend(struct iwl_rx_mpdu_desc, v1)
631 
632 #define RX_NO_DATA_CHAIN_A_POS		0
633 #define RX_NO_DATA_CHAIN_A_MSK		(0xff << RX_NO_DATA_CHAIN_A_POS)
634 #define RX_NO_DATA_CHAIN_B_POS		8
635 #define RX_NO_DATA_CHAIN_B_MSK		(0xff << RX_NO_DATA_CHAIN_B_POS)
636 #define RX_NO_DATA_CHANNEL_POS		16
637 #define RX_NO_DATA_CHANNEL_MSK		(0xff << RX_NO_DATA_CHANNEL_POS)
638 
639 #define RX_NO_DATA_INFO_TYPE_POS	0
640 #define RX_NO_DATA_INFO_TYPE_MSK	(0xff << RX_NO_DATA_INFO_TYPE_POS)
641 #define RX_NO_DATA_INFO_TYPE_NONE	0
642 #define RX_NO_DATA_INFO_TYPE_RX_ERR	1
643 #define RX_NO_DATA_INFO_TYPE_NDP	2
644 #define RX_NO_DATA_INFO_TYPE_MU_UNMATCHED	3
645 #define RX_NO_DATA_INFO_TYPE_HE_TB_UNMATCHED	4
646 
647 #define RX_NO_DATA_INFO_ERR_POS		8
648 #define RX_NO_DATA_INFO_ERR_MSK		(0xff << RX_NO_DATA_INFO_ERR_POS)
649 #define RX_NO_DATA_INFO_ERR_NONE	0
650 #define RX_NO_DATA_INFO_ERR_BAD_PLCP	1
651 #define RX_NO_DATA_INFO_ERR_UNSUPPORTED_RATE	2
652 #define RX_NO_DATA_INFO_ERR_NO_DELIM		3
653 #define RX_NO_DATA_INFO_ERR_BAD_MAC_HDR	4
654 
655 #define RX_NO_DATA_FRAME_TIME_POS	0
656 #define RX_NO_DATA_FRAME_TIME_MSK	(0xfffff << RX_NO_DATA_FRAME_TIME_POS)
657 
658 #define RX_NO_DATA_RX_VEC0_HE_NSTS_MSK	0x03800000
659 #define RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK	0x38000000
660 
661 /**
662  * struct iwl_rx_no_data - RX no data descriptor
663  * @info: 7:0 frame type, 15:8 RX error type
664  * @rssi: 7:0 energy chain-A,
665  *	15:8 chain-B, measured at FINA time (FINA_ENERGY), 16:23 channel
666  * @on_air_rise_time: GP2 during on air rise
667  * @fr_time: frame time
668  * @rate: rate/mcs of frame
669  * @phy_info: &enum iwl_rx_phy_data0 and &enum iwl_rx_phy_info_type
670  * @rx_vec: DW-12:9 raw RX vectors from DSP according to modulation type.
671  *	for VHT: OFDM_RX_VECTOR_SIGA1_OUT, OFDM_RX_VECTOR_SIGA2_OUT
672  *	for HE: OFDM_RX_VECTOR_HE_SIGA1_OUT, OFDM_RX_VECTOR_HE_SIGA2_OUT
673  */
674 struct iwl_rx_no_data {
675 	__le32 info;
676 	__le32 rssi;
677 	__le32 on_air_rise_time;
678 	__le32 fr_time;
679 	__le32 rate;
680 	__le32 phy_info[2];
681 	__le32 rx_vec[2];
682 } __packed; /* RX_NO_DATA_NTFY_API_S_VER_1 */
683 
684 struct iwl_frame_release {
685 	u8 baid;
686 	u8 reserved;
687 	__le16 nssn;
688 };
689 
690 /**
691  * enum iwl_bar_frame_release_sta_tid - STA/TID information for BAR release
692  * @IWL_BAR_FRAME_RELEASE_TID_MASK: TID mask
693  * @IWL_BAR_FRAME_RELEASE_STA_MASK: STA mask
694  */
695 enum iwl_bar_frame_release_sta_tid {
696 	IWL_BAR_FRAME_RELEASE_TID_MASK = 0x0000000f,
697 	IWL_BAR_FRAME_RELEASE_STA_MASK = 0x000001f0,
698 };
699 
700 /**
701  * enum iwl_bar_frame_release_ba_info - BA information for BAR release
702  * @IWL_BAR_FRAME_RELEASE_NSSN_MASK: NSSN mask
703  * @IWL_BAR_FRAME_RELEASE_SN_MASK: SN mask (ignored by driver)
704  * @IWL_BAR_FRAME_RELEASE_BAID_MASK: BAID mask
705  */
706 enum iwl_bar_frame_release_ba_info {
707 	IWL_BAR_FRAME_RELEASE_NSSN_MASK	= 0x00000fff,
708 	IWL_BAR_FRAME_RELEASE_SN_MASK	= 0x00fff000,
709 	IWL_BAR_FRAME_RELEASE_BAID_MASK	= 0x3f000000,
710 };
711 
712 /**
713  * struct iwl_bar_frame_release - frame release from BAR info
714  * @sta_tid: STA & TID information, see &enum iwl_bar_frame_release_sta_tid.
715  * @ba_info: BA information, see &enum iwl_bar_frame_release_ba_info.
716  */
717 struct iwl_bar_frame_release {
718 	__le32 sta_tid;
719 	__le32 ba_info;
720 } __packed; /* RX_BAR_TO_FRAME_RELEASE_API_S_VER_1 */
721 
722 enum iwl_rss_hash_func_en {
723 	IWL_RSS_HASH_TYPE_IPV4_TCP,
724 	IWL_RSS_HASH_TYPE_IPV4_UDP,
725 	IWL_RSS_HASH_TYPE_IPV4_PAYLOAD,
726 	IWL_RSS_HASH_TYPE_IPV6_TCP,
727 	IWL_RSS_HASH_TYPE_IPV6_UDP,
728 	IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
729 };
730 
731 #define IWL_RSS_HASH_KEY_CNT 10
732 #define IWL_RSS_INDIRECTION_TABLE_SIZE 128
733 #define IWL_RSS_ENABLE 1
734 
735 /**
736  * struct iwl_rss_config_cmd - RSS (Receive Side Scaling) configuration
737  *
738  * @flags: 1 - enable, 0 - disable
739  * @hash_mask: Type of RSS to use. Values are from %iwl_rss_hash_func_en
740  * @reserved: reserved
741  * @secret_key: 320 bit input of random key configuration from driver
742  * @indirection_table: indirection table
743  */
744 struct iwl_rss_config_cmd {
745 	__le32 flags;
746 	u8 hash_mask;
747 	u8 reserved[3];
748 	__le32 secret_key[IWL_RSS_HASH_KEY_CNT];
749 	u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE];
750 } __packed; /* RSS_CONFIG_CMD_API_S_VER_1 */
751 
752 #define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0
753 #define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf
754 
755 /**
756  * struct iwl_rxq_sync_cmd - RXQ notification trigger
757  *
758  * @flags: flags of the notification. bit 0:3 are the sender queue
759  * @rxq_mask: rx queues to send the notification on
760  * @count: number of bytes in payload, should be DWORD aligned
761  * @payload: data to send to rx queues
762  */
763 struct iwl_rxq_sync_cmd {
764 	__le32 flags;
765 	__le32 rxq_mask;
766 	__le32 count;
767 	u8 payload[];
768 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
769 
770 /**
771  * struct iwl_rxq_sync_notification - Notification triggered by RXQ
772  * sync command
773  *
774  * @count: number of bytes in payload
775  * @payload: data to send to rx queues
776  */
777 struct iwl_rxq_sync_notification {
778 	__le32 count;
779 	u8 payload[];
780 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
781 
782 /**
783  * enum iwl_mvm_pm_event - type of station PM event
784  * @IWL_MVM_PM_EVENT_AWAKE: station woke up
785  * @IWL_MVM_PM_EVENT_ASLEEP: station went to sleep
786  * @IWL_MVM_PM_EVENT_UAPSD: station sent uAPSD trigger
787  * @IWL_MVM_PM_EVENT_PS_POLL: station sent PS-Poll
788  */
789 enum iwl_mvm_pm_event {
790 	IWL_MVM_PM_EVENT_AWAKE,
791 	IWL_MVM_PM_EVENT_ASLEEP,
792 	IWL_MVM_PM_EVENT_UAPSD,
793 	IWL_MVM_PM_EVENT_PS_POLL,
794 }; /* PEER_PM_NTFY_API_E_VER_1 */
795 
796 /**
797  * struct iwl_mvm_pm_state_notification - station PM state notification
798  * @sta_id: station ID of the station changing state
799  * @type: the new powersave state, see &enum iwl_mvm_pm_event
800  */
801 struct iwl_mvm_pm_state_notification {
802 	u8 sta_id;
803 	u8 type;
804 	/* private: */
805 	__le16 reserved;
806 } __packed; /* PEER_PM_NTFY_API_S_VER_1 */
807 
808 #define BA_WINDOW_STREAMS_MAX		16
809 #define BA_WINDOW_STATUS_TID_MSK	0x000F
810 #define BA_WINDOW_STATUS_STA_ID_POS	4
811 #define BA_WINDOW_STATUS_STA_ID_MSK	0x01F0
812 #define BA_WINDOW_STATUS_VALID_MSK	BIT(9)
813 
814 /**
815  * struct iwl_ba_window_status_notif - reordering window's status notification
816  * @bitmap: bitmap of received frames [start_seq_num + 0]..[start_seq_num + 63]
817  * @ra_tid: bit 3:0 - TID, bit 8:4 - STA_ID, bit 9 - valid
818  * @start_seq_num: the start sequence number of the bitmap
819  * @mpdu_rx_count: the number of received MPDUs since entering D0i3
820  */
821 struct iwl_ba_window_status_notif {
822 	__le64 bitmap[BA_WINDOW_STREAMS_MAX];
823 	__le16 ra_tid[BA_WINDOW_STREAMS_MAX];
824 	__le32 start_seq_num[BA_WINDOW_STREAMS_MAX];
825 	__le16 mpdu_rx_count[BA_WINDOW_STREAMS_MAX];
826 } __packed; /* BA_WINDOW_STATUS_NTFY_API_S_VER_1 */
827 
828 /**
829  * struct iwl_rfh_queue_config - RX queue configuration
830  * @q_num: Q num
831  * @enable: enable queue
832  * @reserved: alignment
833  * @urbd_stts_wrptr: DMA address of urbd_stts_wrptr
834  * @fr_bd_cb: DMA address of freeRB table
835  * @ur_bd_cb: DMA address of used RB table
836  * @fr_bd_wid: Initial index of the free table
837  */
838 struct iwl_rfh_queue_data {
839 	u8 q_num;
840 	u8 enable;
841 	__le16 reserved;
842 	__le64 urbd_stts_wrptr;
843 	__le64 fr_bd_cb;
844 	__le64 ur_bd_cb;
845 	__le32 fr_bd_wid;
846 } __packed; /* RFH_QUEUE_CONFIG_S_VER_1 */
847 
848 /**
849  * struct iwl_rfh_queue_config - RX queue configuration
850  * @num_queues: number of queues configured
851  * @reserved: alignment
852  * @data: DMA addresses per-queue
853  */
854 struct iwl_rfh_queue_config {
855 	u8 num_queues;
856 	u8 reserved[3];
857 	struct iwl_rfh_queue_data data[];
858 } __packed; /* RFH_QUEUE_CONFIG_API_S_VER_1 */
859 
860 #endif /* __iwl_fw_api_rx_h__ */
861