xref: /freebsd/sys/contrib/dev/iwlwifi/fw/api/rx.h (revision e9e8876a4d6afc1ad5315faaa191b25121a813d7)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2012-2014, 2018-2021 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_A_POS 0
17 #define IWL_RX_INFO_ENERGY_ANT_B_POS 8
18 #define IWL_RX_INFO_ENERGY_ANT_C_POS 16
19 
20 enum iwl_mac_context_info {
21 	MAC_CONTEXT_INFO_NONE,
22 	MAC_CONTEXT_INFO_GSCAN,
23 };
24 
25 /**
26  * struct iwl_rx_phy_info - phy info
27  * (REPLY_RX_PHY_CMD = 0xc0)
28  * @non_cfg_phy_cnt: non configurable DSP phy data byte count
29  * @cfg_phy_cnt: configurable DSP phy data byte count
30  * @stat_id: configurable DSP phy data set ID
31  * @reserved1: reserved
32  * @system_timestamp: GP2  at on air rise
33  * @timestamp: TSF at on air rise
34  * @beacon_time_stamp: beacon at on-air rise
35  * @phy_flags: general phy flags: band, modulation, ...
36  * @channel: channel number
37  * @non_cfg_phy: for various implementations of non_cfg_phy
38  * @rate_n_flags: RATE_MCS_*
39  * @byte_count: frame's byte-count
40  * @frame_time: frame's time on the air, based on byte count and frame rate
41  *	calculation
42  * @mac_active_msk: what MACs were active when the frame was received
43  * @mac_context_info: additional info on the context in which the frame was
44  *	received as defined in &enum iwl_mac_context_info
45  *
46  * Before each Rx, the device sends this data. It contains PHY information
47  * about the reception of the packet.
48  */
49 struct iwl_rx_phy_info {
50 	u8 non_cfg_phy_cnt;
51 	u8 cfg_phy_cnt;
52 	u8 stat_id;
53 	u8 reserved1;
54 	__le32 system_timestamp;
55 	__le64 timestamp;
56 	__le32 beacon_time_stamp;
57 	__le16 phy_flags;
58 	__le16 channel;
59 	__le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
60 	__le32 rate_n_flags;
61 	__le32 byte_count;
62 	u8 mac_active_msk;
63 	u8 mac_context_info;
64 	__le16 frame_time;
65 } __packed;
66 
67 /*
68  * TCP offload Rx assist info
69  *
70  * bits 0:3 - reserved
71  * bits 4:7 - MIC CRC length
72  * bits 8:12 - MAC header length
73  * bit 13 - Padding indication
74  * bit 14 - A-AMSDU indication
75  * bit 15 - Offload enabled
76  */
77 enum iwl_csum_rx_assist_info {
78 	CSUM_RXA_RESERVED_MASK	= 0x000f,
79 	CSUM_RXA_MICSIZE_MASK	= 0x00f0,
80 	CSUM_RXA_HEADERLEN_MASK	= 0x1f00,
81 	CSUM_RXA_PADD		= BIT(13),
82 	CSUM_RXA_AMSDU		= BIT(14),
83 	CSUM_RXA_ENA		= BIT(15)
84 };
85 
86 /**
87  * struct iwl_rx_mpdu_res_start - phy info
88  * @byte_count: byte count of the frame
89  * @assist: see &enum iwl_csum_rx_assist_info
90  */
91 struct iwl_rx_mpdu_res_start {
92 	__le16 byte_count;
93 	__le16 assist;
94 } __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */
95 
96 /**
97  * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
98  * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
99  * @RX_RES_PHY_FLAGS_MOD_CCK: modulation is CCK
100  * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
101  * @RX_RES_PHY_FLAGS_NARROW_BAND: narrow band (<20 MHz) receive
102  * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
103  * @RX_RES_PHY_FLAGS_ANTENNA_POS: antenna bit position
104  * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
105  * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
106  * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
107  * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
108  */
109 enum iwl_rx_phy_flags {
110 	RX_RES_PHY_FLAGS_BAND_24	= BIT(0),
111 	RX_RES_PHY_FLAGS_MOD_CCK	= BIT(1),
112 	RX_RES_PHY_FLAGS_SHORT_PREAMBLE	= BIT(2),
113 	RX_RES_PHY_FLAGS_NARROW_BAND	= BIT(3),
114 	RX_RES_PHY_FLAGS_ANTENNA	= (0x7 << 4),
115 	RX_RES_PHY_FLAGS_ANTENNA_POS	= 4,
116 	RX_RES_PHY_FLAGS_AGG		= BIT(7),
117 	RX_RES_PHY_FLAGS_OFDM_HT	= BIT(8),
118 	RX_RES_PHY_FLAGS_OFDM_GF	= BIT(9),
119 	RX_RES_PHY_FLAGS_OFDM_VHT	= BIT(10),
120 };
121 
122 /**
123  * enum iwl_mvm_rx_status - written by fw for each Rx packet
124  * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
125  * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
126  * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: station was found
127  * @RX_MPDU_RES_STATUS_KEY_VALID: key was valid
128  * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
129  * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
130  *	in the driver.
131  * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
132  * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR:  valid for alg = CCM_CMAC or
133  *	alg = CCM only. Checks replay attack for 11w frames.
134  * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
135  * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
136  * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
137  * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
138  * @RX_MPDU_RES_STATUS_SEC_EXT_ENC: this frame is encrypted using extension
139  *	algorithm
140  * @RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC: this frame is protected using
141  *	CMAC or GMAC
142  * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
143  * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
144  * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
145  * @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw
146  * @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors
147  * @RX_MPDU_RES_STATUS_STA_ID_MSK: station ID mask
148  * @RX_MDPU_RES_STATUS_STA_ID_SHIFT: station ID bit shift
149  */
150 enum iwl_mvm_rx_status {
151 	RX_MPDU_RES_STATUS_CRC_OK			= BIT(0),
152 	RX_MPDU_RES_STATUS_OVERRUN_OK			= BIT(1),
153 	RX_MPDU_RES_STATUS_SRC_STA_FOUND		= BIT(2),
154 	RX_MPDU_RES_STATUS_KEY_VALID			= BIT(3),
155 	RX_MPDU_RES_STATUS_ICV_OK			= BIT(5),
156 	RX_MPDU_RES_STATUS_MIC_OK			= BIT(6),
157 	RX_MPDU_RES_STATUS_TTAK_OK			= BIT(7),
158 	RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR		= BIT(7),
159 	RX_MPDU_RES_STATUS_SEC_NO_ENC			= (0 << 8),
160 	RX_MPDU_RES_STATUS_SEC_WEP_ENC			= (1 << 8),
161 	RX_MPDU_RES_STATUS_SEC_CCM_ENC			= (2 << 8),
162 	RX_MPDU_RES_STATUS_SEC_TKIP_ENC			= (3 << 8),
163 	RX_MPDU_RES_STATUS_SEC_EXT_ENC			= (4 << 8),
164 	RX_MPDU_RES_STATUS_SEC_CMAC_GMAC_ENC		= (6 << 8),
165 	RX_MPDU_RES_STATUS_SEC_ENC_ERR			= (7 << 8),
166 	RX_MPDU_RES_STATUS_SEC_ENC_MSK			= (7 << 8),
167 	RX_MPDU_RES_STATUS_DEC_DONE			= BIT(11),
168 	RX_MPDU_RES_STATUS_CSUM_DONE			= BIT(16),
169 	RX_MPDU_RES_STATUS_CSUM_OK			= BIT(17),
170 	RX_MDPU_RES_STATUS_STA_ID_SHIFT			= 24,
171 	RX_MPDU_RES_STATUS_STA_ID_MSK			= 0x1f << RX_MDPU_RES_STATUS_STA_ID_SHIFT,
172 };
173 
174 /* 9000 series API */
175 enum iwl_rx_mpdu_mac_flags1 {
176 	IWL_RX_MDPU_MFLG1_ADDRTYPE_MASK		= 0x03,
177 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK	= 0xf0,
178 	/* shift should be 4, but the length is measured in 2-byte
179 	 * words, so shifting only by 3 gives a byte result
180 	 */
181 	IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_SHIFT	= 3,
182 };
183 
184 enum iwl_rx_mpdu_mac_flags2 {
185 	/* in 2-byte words */
186 	IWL_RX_MPDU_MFLG2_HDR_LEN_MASK		= 0x1f,
187 	IWL_RX_MPDU_MFLG2_PAD			= 0x20,
188 	IWL_RX_MPDU_MFLG2_AMSDU			= 0x40,
189 };
190 
191 enum iwl_rx_mpdu_amsdu_info {
192 	IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK	= 0x7f,
193 	IWL_RX_MPDU_AMSDU_LAST_SUBFRAME		= 0x80,
194 };
195 
196 #define RX_MPDU_BAND_POS 6
197 #define RX_MPDU_BAND_MASK 0xC0
198 #define BAND_IN_RX_STATUS(_val) \
199 	(((_val) & RX_MPDU_BAND_MASK) >> RX_MPDU_BAND_POS)
200 
201 enum iwl_rx_l3_proto_values {
202 	IWL_RX_L3_TYPE_NONE,
203 	IWL_RX_L3_TYPE_IPV4,
204 	IWL_RX_L3_TYPE_IPV4_FRAG,
205 	IWL_RX_L3_TYPE_IPV6_FRAG,
206 	IWL_RX_L3_TYPE_IPV6,
207 	IWL_RX_L3_TYPE_IPV6_IN_IPV4,
208 	IWL_RX_L3_TYPE_ARP,
209 	IWL_RX_L3_TYPE_EAPOL,
210 };
211 
212 #define IWL_RX_L3_PROTO_POS 4
213 
214 enum iwl_rx_l3l4_flags {
215 	IWL_RX_L3L4_IP_HDR_CSUM_OK		= BIT(0),
216 	IWL_RX_L3L4_TCP_UDP_CSUM_OK		= BIT(1),
217 	IWL_RX_L3L4_TCP_FIN_SYN_RST_PSH		= BIT(2),
218 	IWL_RX_L3L4_TCP_ACK			= BIT(3),
219 	IWL_RX_L3L4_L3_PROTO_MASK		= 0xf << IWL_RX_L3_PROTO_POS,
220 	IWL_RX_L3L4_L4_PROTO_MASK		= 0xf << 8,
221 	IWL_RX_L3L4_RSS_HASH_MASK		= 0xf << 12,
222 };
223 
224 enum iwl_rx_mpdu_status {
225 	IWL_RX_MPDU_STATUS_CRC_OK		= BIT(0),
226 	IWL_RX_MPDU_STATUS_OVERRUN_OK		= BIT(1),
227 	IWL_RX_MPDU_STATUS_SRC_STA_FOUND	= BIT(2),
228 	IWL_RX_MPDU_STATUS_KEY_VALID		= BIT(3),
229 	IWL_RX_MPDU_STATUS_ICV_OK		= BIT(5),
230 	IWL_RX_MPDU_STATUS_MIC_OK		= BIT(6),
231 	IWL_RX_MPDU_RES_STATUS_TTAK_OK		= BIT(7),
232 	/* overlayed since IWL_UCODE_TLV_API_DEPRECATE_TTAK */
233 	IWL_RX_MPDU_STATUS_REPLAY_ERROR		= BIT(7),
234 	IWL_RX_MPDU_STATUS_SEC_MASK		= 0x7 << 8,
235 	IWL_RX_MPDU_STATUS_SEC_UNKNOWN		= IWL_RX_MPDU_STATUS_SEC_MASK,
236 	IWL_RX_MPDU_STATUS_SEC_NONE		= 0x0 << 8,
237 	IWL_RX_MPDU_STATUS_SEC_WEP		= 0x1 << 8,
238 	IWL_RX_MPDU_STATUS_SEC_CCM		= 0x2 << 8,
239 	IWL_RX_MPDU_STATUS_SEC_TKIP		= 0x3 << 8,
240 	IWL_RX_MPDU_STATUS_SEC_EXT_ENC		= 0x4 << 8,
241 	IWL_RX_MPDU_STATUS_SEC_GCM		= 0x5 << 8,
242 #if defined(__FreeBSD__)
243 	IWL_RX_MPDU_STATUS_SEC_ENC_ERR		= 0x7 << 8,
244 #endif
245 	IWL_RX_MPDU_STATUS_DECRYPTED		= BIT(11),
246 	IWL_RX_MPDU_STATUS_ROBUST_MNG_FRAME	= BIT(15),
247 
248 	IWL_RX_MPDU_STATUS_DUPLICATE		= BIT(22),
249 
250 	IWL_RX_MPDU_STATUS_STA_ID		= 0x1f000000,
251 };
252 
253 #define IWL_RX_REORDER_DATA_INVALID_BAID 0x7f
254 
255 enum iwl_rx_mpdu_reorder_data {
256 	IWL_RX_MPDU_REORDER_NSSN_MASK		= 0x00000fff,
257 	IWL_RX_MPDU_REORDER_SN_MASK		= 0x00fff000,
258 	IWL_RX_MPDU_REORDER_SN_SHIFT		= 12,
259 	IWL_RX_MPDU_REORDER_BAID_MASK		= 0x7f000000,
260 	IWL_RX_MPDU_REORDER_BAID_SHIFT		= 24,
261 	IWL_RX_MPDU_REORDER_BA_OLD_SN		= 0x80000000,
262 };
263 
264 enum iwl_rx_mpdu_phy_info {
265 	IWL_RX_MPDU_PHY_AMPDU		= BIT(5),
266 	IWL_RX_MPDU_PHY_AMPDU_TOGGLE	= BIT(6),
267 	IWL_RX_MPDU_PHY_SHORT_PREAMBLE	= BIT(7),
268 	/* short preamble is only for CCK, for non-CCK overridden by this */
269 	IWL_RX_MPDU_PHY_NCCK_ADDTL_NTFY	= BIT(7),
270 	IWL_RX_MPDU_PHY_TSF_OVERLOAD	= BIT(8),
271 };
272 
273 enum iwl_rx_mpdu_mac_info {
274 	IWL_RX_MPDU_PHY_MAC_INDEX_MASK		= 0x0f,
275 	IWL_RX_MPDU_PHY_PHY_INDEX_MASK		= 0xf0,
276 };
277 
278 /* TSF overload low dword */
279 enum iwl_rx_phy_data0 {
280 	/* info type: HE any */
281 	IWL_RX_PHY_DATA0_HE_BEAM_CHNG				= 0x00000001,
282 	IWL_RX_PHY_DATA0_HE_UPLINK				= 0x00000002,
283 	IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK			= 0x000000fc,
284 	IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK			= 0x00000f00,
285 	/* 1 bit reserved */
286 	IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK			= 0x000fe000,
287 	IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM			= 0x00100000,
288 	IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK			= 0x00600000,
289 	IWL_RX_PHY_DATA0_HE_PE_DISAMBIG				= 0x00800000,
290 	IWL_RX_PHY_DATA0_HE_DOPPLER				= 0x01000000,
291 	/* 6 bits reserved */
292 	IWL_RX_PHY_DATA0_HE_DELIM_EOF				= 0x80000000,
293 };
294 
295 enum iwl_rx_phy_info_type {
296 	IWL_RX_PHY_INFO_TYPE_NONE				= 0,
297 	IWL_RX_PHY_INFO_TYPE_CCK				= 1,
298 	IWL_RX_PHY_INFO_TYPE_OFDM_LGCY				= 2,
299 	IWL_RX_PHY_INFO_TYPE_HT					= 3,
300 	IWL_RX_PHY_INFO_TYPE_VHT_SU				= 4,
301 	IWL_RX_PHY_INFO_TYPE_VHT_MU				= 5,
302 	IWL_RX_PHY_INFO_TYPE_HE_SU				= 6,
303 	IWL_RX_PHY_INFO_TYPE_HE_MU				= 7,
304 	IWL_RX_PHY_INFO_TYPE_HE_TB				= 8,
305 	IWL_RX_PHY_INFO_TYPE_HE_MU_EXT				= 9,
306 	IWL_RX_PHY_INFO_TYPE_HE_TB_EXT				= 10,
307 };
308 
309 /* TSF overload high dword */
310 enum iwl_rx_phy_data1 {
311 	/*
312 	 * check this first - if TSF overload is set,
313 	 * see &enum iwl_rx_phy_info_type
314 	 */
315 	IWL_RX_PHY_DATA1_INFO_TYPE_MASK				= 0xf0000000,
316 
317 	/* info type: HT/VHT/HE any */
318 	IWL_RX_PHY_DATA1_LSIG_LEN_MASK				= 0x0fff0000,
319 
320 	/* info type: HE MU/MU-EXT */
321 	IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION			= 0x00000001,
322 	IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK	= 0x0000001e,
323 
324 	/* info type: HE any */
325 	IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK			= 0x000000e0,
326 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80			= 0x00000100,
327 	/* trigger encoded */
328 	IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK			= 0x0000fe00,
329 
330 	/* info type: HE TB/TX-EXT */
331 	IWL_RX_PHY_DATA1_HE_TB_PILOT_TYPE			= 0x00000001,
332 	IWL_RX_PHY_DATA1_HE_TB_LOW_SS_MASK			= 0x0000000e,
333 };
334 
335 /* goes into Metadata DW 7 */
336 enum iwl_rx_phy_data2 {
337 	/* info type: HE MU-EXT */
338 	/* the a1/a2/... is what the PHY/firmware calls the values */
339 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0		= 0x000000ff, /* a1 */
340 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2		= 0x0000ff00, /* a2 */
341 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0		= 0x00ff0000, /* b1 */
342 	IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2		= 0xff000000, /* b2 */
343 
344 	/* info type: HE TB-EXT */
345 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1		= 0x0000000f,
346 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2		= 0x000000f0,
347 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3		= 0x00000f00,
348 	IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4		= 0x0000f000,
349 };
350 
351 /* goes into Metadata DW 8 */
352 enum iwl_rx_phy_data3 {
353 	/* info type: HE MU-EXT */
354 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1		= 0x000000ff, /* c1 */
355 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3		= 0x0000ff00, /* c2 */
356 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1		= 0x00ff0000, /* d1 */
357 	IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3		= 0xff000000, /* d2 */
358 };
359 
360 /* goes into Metadata DW 4 high 16 bits */
361 enum iwl_rx_phy_data4 {
362 	/* info type: HE MU-EXT */
363 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU			= 0x0001,
364 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU			= 0x0002,
365 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK			= 0x0004,
366 	IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK			= 0x0008,
367 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK		= 0x00f0,
368 	IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM			= 0x0100,
369 	IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK	= 0x0600,
370 };
371 
372 /**
373  * struct iwl_rx_mpdu_desc_v1 - RX MPDU descriptor
374  */
375 struct iwl_rx_mpdu_desc_v1 {
376 	/* DW7 - carries rss_hash only when rpa_en == 1 */
377 	union {
378 		/**
379 		 * @rss_hash: RSS hash value
380 		 */
381 		__le32 rss_hash;
382 
383 		/**
384 		 * @phy_data2: depends on info type (see @phy_data1)
385 		 */
386 		__le32 phy_data2;
387 	};
388 
389 	/* DW8 - carries filter_match only when rpa_en == 1 */
390 	union {
391 		/**
392 		 * @filter_match: filter match value
393 		 */
394 		__le32 filter_match;
395 
396 		/**
397 		 * @phy_data3: depends on info type (see @phy_data1)
398 		 */
399 		__le32 phy_data3;
400 	};
401 
402 	/* DW9 */
403 	/**
404 	 * @rate_n_flags: RX rate/flags encoding
405 	 */
406 	__le32 rate_n_flags;
407 	/* DW10 */
408 	/**
409 	 * @energy_a: energy chain A
410 	 */
411 	u8 energy_a;
412 	/**
413 	 * @energy_b: energy chain B
414 	 */
415 	u8 energy_b;
416 	/**
417 	 * @channel: channel number
418 	 */
419 	u8 channel;
420 	/**
421 	 * @mac_context: MAC context mask
422 	 */
423 	u8 mac_context;
424 	/* DW11 */
425 	/**
426 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
427 	 */
428 	__le32 gp2_on_air_rise;
429 	/* DW12 & DW13 */
430 	union {
431 		/**
432 		 * @tsf_on_air_rise:
433 		 * TSF value on air rise (INA), only valid if
434 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
435 		 */
436 		__le64 tsf_on_air_rise;
437 
438 		struct {
439 			/**
440 			 * @phy_data0: depends on info_type, see @phy_data1
441 			 */
442 			__le32 phy_data0;
443 			/**
444 			 * @phy_data1: valid only if
445 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
446 			 * see &enum iwl_rx_phy_data1.
447 			 */
448 			__le32 phy_data1;
449 		};
450 	};
451 } __packed; /* RX_MPDU_RES_START_API_S_VER_4 */
452 
453 /**
454  * struct iwl_rx_mpdu_desc_v3 - RX MPDU descriptor
455  */
456 struct iwl_rx_mpdu_desc_v3 {
457 	/* DW7 - carries filter_match only when rpa_en == 1 */
458 	union {
459 		/**
460 		 * @filter_match: filter match value
461 		 */
462 		__le32 filter_match;
463 
464 		/**
465 		 * @phy_data3: depends on info type (see @phy_data1)
466 		 */
467 		__le32 phy_data3;
468 	};
469 
470 	/* DW8 - carries rss_hash only when rpa_en == 1 */
471 	union {
472 		/**
473 		 * @rss_hash: RSS hash value
474 		 */
475 		__le32 rss_hash;
476 
477 		/**
478 		 * @phy_data2: depends on info type (see @phy_data1)
479 		 */
480 		__le32 phy_data2;
481 	};
482 	/* DW9 */
483 	/**
484 	 * @partial_hash: 31:0 ip/tcp header hash
485 	 *	w/o some fields (such as IP SRC addr)
486 	 */
487 	__le32 partial_hash;
488 	/* DW10 */
489 	/**
490 	 * @raw_xsum: raw xsum value
491 	 */
492 	__be16 raw_xsum;
493 	/**
494 	 * @reserved_xsum: reserved high bits in the raw checksum
495 	 */
496 	__le16 reserved_xsum;
497 	/* DW11 */
498 	/**
499 	 * @rate_n_flags: RX rate/flags encoding
500 	 */
501 	__le32 rate_n_flags;
502 	/* DW12 */
503 	/**
504 	 * @energy_a: energy chain A
505 	 */
506 	u8 energy_a;
507 	/**
508 	 * @energy_b: energy chain B
509 	 */
510 	u8 energy_b;
511 	/**
512 	 * @channel: channel number
513 	 */
514 	u8 channel;
515 	/**
516 	 * @mac_context: MAC context mask
517 	 */
518 	u8 mac_context;
519 	/* DW13 */
520 	/**
521 	 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
522 	 */
523 	__le32 gp2_on_air_rise;
524 	/* DW14 & DW15 */
525 	union {
526 		/**
527 		 * @tsf_on_air_rise:
528 		 * TSF value on air rise (INA), only valid if
529 		 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
530 		 */
531 		__le64 tsf_on_air_rise;
532 
533 		struct {
534 			/**
535 			 * @phy_data0: depends on info_type, see @phy_data1
536 			 */
537 			__le32 phy_data0;
538 			/**
539 			 * @phy_data1: valid only if
540 			 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
541 			 * see &enum iwl_rx_phy_data1.
542 			 */
543 			__le32 phy_data1;
544 		};
545 	};
546 	/* DW16 & DW17 */
547 	/**
548 	 * @reserved: reserved
549 	 */
550 	__le32 reserved[2];
551 } __packed; /* RX_MPDU_RES_START_API_S_VER_3,
552 	       RX_MPDU_RES_START_API_S_VER_5 */
553 
554 /**
555  * struct iwl_rx_mpdu_desc - RX MPDU descriptor
556  */
557 struct iwl_rx_mpdu_desc {
558 	/* DW2 */
559 	/**
560 	 * @mpdu_len: MPDU length
561 	 */
562 	__le16 mpdu_len;
563 	/**
564 	 * @mac_flags1: &enum iwl_rx_mpdu_mac_flags1
565 	 */
566 	u8 mac_flags1;
567 	/**
568 	 * @mac_flags2: &enum iwl_rx_mpdu_mac_flags2
569 	 */
570 	u8 mac_flags2;
571 	/* DW3 */
572 	/**
573 	 * @amsdu_info: &enum iwl_rx_mpdu_amsdu_info
574 	 */
575 	u8 amsdu_info;
576 	/**
577 	 * @phy_info: &enum iwl_rx_mpdu_phy_info
578 	 */
579 	__le16 phy_info;
580 	/**
581 	 * @mac_phy_idx: MAC/PHY index
582 	 */
583 	u8 mac_phy_idx;
584 	/* DW4 - carries csum data only when rpa_en == 1 */
585 	/**
586 	 * @raw_csum: raw checksum (alledgedly unreliable)
587 	 */
588 	__le16 raw_csum;
589 
590 	union {
591 		/**
592 		 * @l3l4_flags: &enum iwl_rx_l3l4_flags
593 		 */
594 		__le16 l3l4_flags;
595 
596 		/**
597 		 * @phy_data4: depends on info type, see phy_data1
598 		 */
599 		__le16 phy_data4;
600 	};
601 	/* DW5 */
602 	/**
603 	 * @status: &enum iwl_rx_mpdu_status
604 	 */
605 	__le32 status;
606 
607 	/* DW6 */
608 	/**
609 	 * @reorder_data: &enum iwl_rx_mpdu_reorder_data
610 	 */
611 	__le32 reorder_data;
612 
613 	union {
614 		struct iwl_rx_mpdu_desc_v1 v1;
615 		struct iwl_rx_mpdu_desc_v3 v3;
616 	};
617 } __packed; /* RX_MPDU_RES_START_API_S_VER_3,
618 	       RX_MPDU_RES_START_API_S_VER_4,
619 	       RX_MPDU_RES_START_API_S_VER_5 */
620 
621 #define IWL_RX_DESC_SIZE_V1 offsetofend(struct iwl_rx_mpdu_desc, v1)
622 
623 #define RX_NO_DATA_CHAIN_A_POS		0
624 #define RX_NO_DATA_CHAIN_A_MSK		(0xff << RX_NO_DATA_CHAIN_A_POS)
625 #define RX_NO_DATA_CHAIN_B_POS		8
626 #define RX_NO_DATA_CHAIN_B_MSK		(0xff << RX_NO_DATA_CHAIN_B_POS)
627 #define RX_NO_DATA_CHANNEL_POS		16
628 #define RX_NO_DATA_CHANNEL_MSK		(0xff << RX_NO_DATA_CHANNEL_POS)
629 
630 #define RX_NO_DATA_INFO_TYPE_POS	0
631 #define RX_NO_DATA_INFO_TYPE_MSK	(0xff << RX_NO_DATA_INFO_TYPE_POS)
632 #define RX_NO_DATA_INFO_TYPE_NONE	0
633 #define RX_NO_DATA_INFO_TYPE_RX_ERR	1
634 #define RX_NO_DATA_INFO_TYPE_NDP	2
635 #define RX_NO_DATA_INFO_TYPE_MU_UNMATCHED	3
636 #define RX_NO_DATA_INFO_TYPE_HE_TB_UNMATCHED	4
637 
638 #define RX_NO_DATA_INFO_ERR_POS		8
639 #define RX_NO_DATA_INFO_ERR_MSK		(0xff << RX_NO_DATA_INFO_ERR_POS)
640 #define RX_NO_DATA_INFO_ERR_NONE	0
641 #define RX_NO_DATA_INFO_ERR_BAD_PLCP	1
642 #define RX_NO_DATA_INFO_ERR_UNSUPPORTED_RATE	2
643 #define RX_NO_DATA_INFO_ERR_NO_DELIM		3
644 #define RX_NO_DATA_INFO_ERR_BAD_MAC_HDR	4
645 
646 #define RX_NO_DATA_FRAME_TIME_POS	0
647 #define RX_NO_DATA_FRAME_TIME_MSK	(0xfffff << RX_NO_DATA_FRAME_TIME_POS)
648 
649 #define RX_NO_DATA_RX_VEC0_HE_NSTS_MSK	0x03800000
650 #define RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK	0x38000000
651 
652 /**
653  * struct iwl_rx_no_data - RX no data descriptor
654  * @info: 7:0 frame type, 15:8 RX error type
655  * @rssi: 7:0 energy chain-A,
656  *	15:8 chain-B, measured at FINA time (FINA_ENERGY), 16:23 channel
657  * @on_air_rise_time: GP2 during on air rise
658  * @fr_time: frame time
659  * @rate: rate/mcs of frame
660  * @phy_info: &enum iwl_rx_phy_data0 and &enum iwl_rx_phy_info_type
661  * @rx_vec: DW-12:9 raw RX vectors from DSP according to modulation type.
662  *	for VHT: OFDM_RX_VECTOR_SIGA1_OUT, OFDM_RX_VECTOR_SIGA2_OUT
663  *	for HE: OFDM_RX_VECTOR_HE_SIGA1_OUT, OFDM_RX_VECTOR_HE_SIGA2_OUT
664  */
665 struct iwl_rx_no_data {
666 	__le32 info;
667 	__le32 rssi;
668 	__le32 on_air_rise_time;
669 	__le32 fr_time;
670 	__le32 rate;
671 	__le32 phy_info[2];
672 	__le32 rx_vec[2];
673 } __packed; /* RX_NO_DATA_NTFY_API_S_VER_1,
674 	       TX_NO_DATA_NTFY_API_S_VER_2 */
675 
676 struct iwl_frame_release {
677 	u8 baid;
678 	u8 reserved;
679 	__le16 nssn;
680 };
681 
682 /**
683  * enum iwl_bar_frame_release_sta_tid - STA/TID information for BAR release
684  * @IWL_BAR_FRAME_RELEASE_TID_MASK: TID mask
685  * @IWL_BAR_FRAME_RELEASE_STA_MASK: STA mask
686  */
687 enum iwl_bar_frame_release_sta_tid {
688 	IWL_BAR_FRAME_RELEASE_TID_MASK = 0x0000000f,
689 	IWL_BAR_FRAME_RELEASE_STA_MASK = 0x000001f0,
690 };
691 
692 /**
693  * enum iwl_bar_frame_release_ba_info - BA information for BAR release
694  * @IWL_BAR_FRAME_RELEASE_NSSN_MASK: NSSN mask
695  * @IWL_BAR_FRAME_RELEASE_SN_MASK: SN mask (ignored by driver)
696  * @IWL_BAR_FRAME_RELEASE_BAID_MASK: BAID mask
697  */
698 enum iwl_bar_frame_release_ba_info {
699 	IWL_BAR_FRAME_RELEASE_NSSN_MASK	= 0x00000fff,
700 	IWL_BAR_FRAME_RELEASE_SN_MASK	= 0x00fff000,
701 	IWL_BAR_FRAME_RELEASE_BAID_MASK	= 0x3f000000,
702 };
703 
704 /**
705  * struct iwl_bar_frame_release - frame release from BAR info
706  * @sta_tid: STA & TID information, see &enum iwl_bar_frame_release_sta_tid.
707  * @ba_info: BA information, see &enum iwl_bar_frame_release_ba_info.
708  */
709 struct iwl_bar_frame_release {
710 	__le32 sta_tid;
711 	__le32 ba_info;
712 } __packed; /* RX_BAR_TO_FRAME_RELEASE_API_S_VER_1 */
713 
714 enum iwl_rss_hash_func_en {
715 	IWL_RSS_HASH_TYPE_IPV4_TCP,
716 	IWL_RSS_HASH_TYPE_IPV4_UDP,
717 	IWL_RSS_HASH_TYPE_IPV4_PAYLOAD,
718 	IWL_RSS_HASH_TYPE_IPV6_TCP,
719 	IWL_RSS_HASH_TYPE_IPV6_UDP,
720 	IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
721 };
722 
723 #define IWL_RSS_HASH_KEY_CNT 10
724 #define IWL_RSS_INDIRECTION_TABLE_SIZE 128
725 #define IWL_RSS_ENABLE 1
726 
727 /**
728  * struct iwl_rss_config_cmd - RSS (Receive Side Scaling) configuration
729  *
730  * @flags: 1 - enable, 0 - disable
731  * @hash_mask: Type of RSS to use. Values are from %iwl_rss_hash_func_en
732  * @reserved: reserved
733  * @secret_key: 320 bit input of random key configuration from driver
734  * @indirection_table: indirection table
735  */
736 struct iwl_rss_config_cmd {
737 	__le32 flags;
738 	u8 hash_mask;
739 	u8 reserved[3];
740 	__le32 secret_key[IWL_RSS_HASH_KEY_CNT];
741 	u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE];
742 } __packed; /* RSS_CONFIG_CMD_API_S_VER_1 */
743 
744 #define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0
745 #define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf
746 
747 /**
748  * struct iwl_rxq_sync_cmd - RXQ notification trigger
749  *
750  * @flags: flags of the notification. bit 0:3 are the sender queue
751  * @rxq_mask: rx queues to send the notification on
752  * @count: number of bytes in payload, should be DWORD aligned
753  * @payload: data to send to rx queues
754  */
755 struct iwl_rxq_sync_cmd {
756 	__le32 flags;
757 	__le32 rxq_mask;
758 	__le32 count;
759 	u8 payload[0];
760 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
761 
762 /**
763  * struct iwl_rxq_sync_notification - Notification triggered by RXQ
764  * sync command
765  *
766  * @count: number of bytes in payload
767  * @payload: data to send to rx queues
768  */
769 struct iwl_rxq_sync_notification {
770 	__le32 count;
771 	u8 payload[0];
772 } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
773 
774 /**
775  * enum iwl_mvm_pm_event - type of station PM event
776  * @IWL_MVM_PM_EVENT_AWAKE: station woke up
777  * @IWL_MVM_PM_EVENT_ASLEEP: station went to sleep
778  * @IWL_MVM_PM_EVENT_UAPSD: station sent uAPSD trigger
779  * @IWL_MVM_PM_EVENT_PS_POLL: station sent PS-Poll
780  */
781 enum iwl_mvm_pm_event {
782 	IWL_MVM_PM_EVENT_AWAKE,
783 	IWL_MVM_PM_EVENT_ASLEEP,
784 	IWL_MVM_PM_EVENT_UAPSD,
785 	IWL_MVM_PM_EVENT_PS_POLL,
786 }; /* PEER_PM_NTFY_API_E_VER_1 */
787 
788 /**
789  * struct iwl_mvm_pm_state_notification - station PM state notification
790  * @sta_id: station ID of the station changing state
791  * @type: the new powersave state, see &enum iwl_mvm_pm_event
792  */
793 struct iwl_mvm_pm_state_notification {
794 	u8 sta_id;
795 	u8 type;
796 	/* private: */
797 	__le16 reserved;
798 } __packed; /* PEER_PM_NTFY_API_S_VER_1 */
799 
800 #define BA_WINDOW_STREAMS_MAX		16
801 #define BA_WINDOW_STATUS_TID_MSK	0x000F
802 #define BA_WINDOW_STATUS_STA_ID_POS	4
803 #define BA_WINDOW_STATUS_STA_ID_MSK	0x01F0
804 #define BA_WINDOW_STATUS_VALID_MSK	BIT(9)
805 
806 /**
807  * struct iwl_ba_window_status_notif - reordering window's status notification
808  * @bitmap: bitmap of received frames [start_seq_num + 0]..[start_seq_num + 63]
809  * @ra_tid: bit 3:0 - TID, bit 8:4 - STA_ID, bit 9 - valid
810  * @start_seq_num: the start sequence number of the bitmap
811  * @mpdu_rx_count: the number of received MPDUs since entering D0i3
812  */
813 struct iwl_ba_window_status_notif {
814 	__le64 bitmap[BA_WINDOW_STREAMS_MAX];
815 	__le16 ra_tid[BA_WINDOW_STREAMS_MAX];
816 	__le32 start_seq_num[BA_WINDOW_STREAMS_MAX];
817 	__le16 mpdu_rx_count[BA_WINDOW_STREAMS_MAX];
818 } __packed; /* BA_WINDOW_STATUS_NTFY_API_S_VER_1 */
819 
820 /**
821  * struct iwl_rfh_queue_config - RX queue configuration
822  * @q_num: Q num
823  * @enable: enable queue
824  * @reserved: alignment
825  * @urbd_stts_wrptr: DMA address of urbd_stts_wrptr
826  * @fr_bd_cb: DMA address of freeRB table
827  * @ur_bd_cb: DMA address of used RB table
828  * @fr_bd_wid: Initial index of the free table
829  */
830 struct iwl_rfh_queue_data {
831 	u8 q_num;
832 	u8 enable;
833 	__le16 reserved;
834 	__le64 urbd_stts_wrptr;
835 	__le64 fr_bd_cb;
836 	__le64 ur_bd_cb;
837 	__le32 fr_bd_wid;
838 } __packed; /* RFH_QUEUE_CONFIG_S_VER_1 */
839 
840 /**
841  * struct iwl_rfh_queue_config - RX queue configuration
842  * @num_queues: number of queues configured
843  * @reserved: alignment
844  * @data: DMA addresses per-queue
845  */
846 struct iwl_rfh_queue_config {
847 	u8 num_queues;
848 	u8 reserved[3];
849 	struct iwl_rfh_queue_data data[0];
850 } __packed; /* RFH_QUEUE_CONFIG_API_S_VER_1 */
851 
852 #endif /* __iwl_fw_api_rx_h__ */
853