1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2012-2014, 2018-2025 Intel Corporation 4 * Copyright (C) 2016-2017 Intel Deutschland GmbH 5 */ 6 #ifndef __iwl_fw_api_tx_h__ 7 #define __iwl_fw_api_tx_h__ 8 #include <linux/ieee80211.h> 9 10 /** 11 * enum iwl_tx_flags - bitmasks for tx_flags in TX command 12 * @TX_CMD_FLG_PROT_REQUIRE: use RTS or CTS-to-self to protect the frame 13 * @TX_CMD_FLG_WRITE_TX_POWER: update current tx power value in the mgmt frame 14 * @TX_CMD_FLG_ACK: expect ACK from receiving station 15 * @TX_CMD_FLG_STA_RATE: use RS table with initial index from the TX command. 16 * Otherwise, use rate_n_flags from the TX command 17 * @TX_CMD_FLG_BAR: this frame is a BA request, immediate BAR is expected 18 * Must set TX_CMD_FLG_ACK with this flag. 19 * @TX_CMD_FLG_TXOP_PROT: TXOP protection requested 20 * @TX_CMD_FLG_VHT_NDPA: mark frame is NDPA for VHT beamformer sequence 21 * @TX_CMD_FLG_HT_NDPA: mark frame is NDPA for HT beamformer sequence 22 * @TX_CMD_FLG_CSI_FDBK2HOST: mark to send feedback to host (only if good CRC) 23 * @TX_CMD_FLG_BT_PRIO_MASK: BT priority value 24 * @TX_CMD_FLG_BT_PRIO_POS: the position of the BT priority (bit 11 is ignored 25 * on old firmwares). 26 * @TX_CMD_FLG_BT_DIS: disable BT priority for this frame 27 * @TX_CMD_FLG_SEQ_CTL: set if FW should override the sequence control. 28 * Should be set for mgmt, non-QOS data, mcast, bcast and in scan command 29 * @TX_CMD_FLG_MORE_FRAG: this frame is non-last MPDU 30 * @TX_CMD_FLG_TSF: FW should calculate and insert TSF in the frame 31 * Should be set for beacons and probe responses 32 * @TX_CMD_FLG_CALIB: activate PA TX power calibrations 33 * @TX_CMD_FLG_KEEP_SEQ_CTL: if seq_ctl is set, don't increase inner seq count 34 * @TX_CMD_FLG_MH_PAD: driver inserted 2 byte padding after MAC header. 35 * Should be set for 26/30 length MAC headers 36 * @TX_CMD_FLG_RESP_TO_DRV: zero this if the response should go only to FW 37 * @TX_CMD_FLG_TKIP_MIC_DONE: FW already performed TKIP MIC calculation 38 * @TX_CMD_FLG_DUR: disable duration overwriting used in PS-Poll Assoc-id 39 * @TX_CMD_FLG_FW_DROP: FW should mark frame to be dropped 40 * @TX_CMD_FLG_EXEC_PAPD: execute PAPD 41 * @TX_CMD_FLG_PAPD_TYPE: 0 for reference power, 1 for nominal power 42 * @TX_CMD_FLG_HCCA_CHUNK: mark start of TSPEC chunk 43 */ 44 enum iwl_tx_flags { 45 TX_CMD_FLG_PROT_REQUIRE = BIT(0), 46 TX_CMD_FLG_WRITE_TX_POWER = BIT(1), 47 TX_CMD_FLG_ACK = BIT(3), 48 TX_CMD_FLG_STA_RATE = BIT(4), 49 TX_CMD_FLG_BAR = BIT(6), 50 TX_CMD_FLG_TXOP_PROT = BIT(7), 51 TX_CMD_FLG_VHT_NDPA = BIT(8), 52 TX_CMD_FLG_HT_NDPA = BIT(9), 53 TX_CMD_FLG_CSI_FDBK2HOST = BIT(10), 54 TX_CMD_FLG_BT_PRIO_POS = 11, 55 TX_CMD_FLG_BT_PRIO_MASK = BIT(11) | BIT(12), 56 TX_CMD_FLG_BT_DIS = BIT(12), 57 TX_CMD_FLG_SEQ_CTL = BIT(13), 58 TX_CMD_FLG_MORE_FRAG = BIT(14), 59 TX_CMD_FLG_TSF = BIT(16), 60 TX_CMD_FLG_CALIB = BIT(17), 61 TX_CMD_FLG_KEEP_SEQ_CTL = BIT(18), 62 TX_CMD_FLG_MH_PAD = BIT(20), 63 TX_CMD_FLG_RESP_TO_DRV = BIT(21), 64 TX_CMD_FLG_TKIP_MIC_DONE = BIT(23), 65 TX_CMD_FLG_DUR = BIT(25), 66 TX_CMD_FLG_FW_DROP = BIT(26), 67 TX_CMD_FLG_EXEC_PAPD = BIT(27), 68 TX_CMD_FLG_PAPD_TYPE = BIT(28), 69 TX_CMD_FLG_HCCA_CHUNK = BIT(31) 70 }; /* TX_FLAGS_BITS_API_S_VER_1 */ 71 72 /** 73 * enum iwl_tx_cmd_flags - bitmasks for tx_flags in TX command for 22000 74 * @IWL_TX_FLAGS_CMD_RATE: use rate from the TX command 75 * @IWL_TX_FLAGS_ENCRYPT_DIS: frame should not be encrypted, even if it belongs 76 * to a secured STA 77 * @IWL_TX_FLAGS_HIGH_PRI: high priority frame (like EAPOL) - can affect rate 78 * selection, retry limits and BT kill 79 * @IWL_TX_FLAGS_RTS: firmware used an RTS 80 * @IWL_TX_FLAGS_CTS: firmware used CTS-to-self 81 */ 82 enum iwl_tx_cmd_flags { 83 IWL_TX_FLAGS_CMD_RATE = BIT(0), 84 IWL_TX_FLAGS_ENCRYPT_DIS = BIT(1), 85 IWL_TX_FLAGS_HIGH_PRI = BIT(2), 86 /* Use these flags only from 87 * TX_FLAGS_BITS_API_S_VER_4 and above */ 88 IWL_TX_FLAGS_RTS = BIT(3), 89 IWL_TX_FLAGS_CTS = BIT(4), 90 }; /* TX_FLAGS_BITS_API_S_VER_3 */ 91 92 /** 93 * enum iwl_tx_pm_timeouts - pm timeout values in TX command 94 * @PM_FRAME_NONE: no need to suspend sleep mode 95 * @PM_FRAME_MGMT: fw suspend sleep mode for 100TU 96 * @PM_FRAME_ASSOC: fw suspend sleep mode for 10sec 97 */ 98 enum iwl_tx_pm_timeouts { 99 PM_FRAME_NONE = 0, 100 PM_FRAME_MGMT = 2, 101 PM_FRAME_ASSOC = 3, 102 }; 103 104 #define TX_CMD_SEC_MSK 0x07 105 #define TX_CMD_SEC_WEP_KEY_IDX_POS 6 106 #define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 107 108 /** 109 * enum iwl_tx_cmd_sec_ctrl - bitmasks for security control in TX command 110 * @TX_CMD_SEC_WEP: WEP encryption algorithm. 111 * @TX_CMD_SEC_CCM: CCM encryption algorithm. 112 * @TX_CMD_SEC_TKIP: TKIP encryption algorithm. 113 * @TX_CMD_SEC_EXT: extended cipher algorithm. 114 * @TX_CMD_SEC_GCMP: GCMP encryption algorithm. 115 * @TX_CMD_SEC_KEY128: set for 104 bits WEP key. 116 * @TX_CMD_SEC_KEY_FROM_TABLE: for a non-WEP key, set if the key should be taken 117 * from the table instead of from the TX command. 118 * If the key is taken from the key table its index should be given by the 119 * first byte of the TX command key field. 120 */ 121 enum iwl_tx_cmd_sec_ctrl { 122 TX_CMD_SEC_WEP = 0x01, 123 TX_CMD_SEC_CCM = 0x02, 124 TX_CMD_SEC_TKIP = 0x03, 125 TX_CMD_SEC_EXT = 0x04, 126 TX_CMD_SEC_GCMP = 0x05, 127 TX_CMD_SEC_KEY128 = 0x08, 128 TX_CMD_SEC_KEY_FROM_TABLE = 0x10, 129 }; 130 131 /* 132 * TX command Frame life time in us - to be written in pm_frame_timeout 133 */ 134 #define TX_CMD_LIFE_TIME_INFINITE 0xFFFFFFFF 135 #define TX_CMD_LIFE_TIME_DEFAULT 2000000 /* 2000 ms*/ 136 #define TX_CMD_LIFE_TIME_PROBE_RESP 40000 /* 40 ms */ 137 #define TX_CMD_LIFE_TIME_EXPIRED_FRAME 0 138 139 /* 140 * TID for non QoS frames - to be written in tid_tspec 141 */ 142 #define IWL_TID_NON_QOS 0 143 144 /* 145 * Limits on the retransmissions - to be written in {data,rts}_retry_limit 146 */ 147 #define IWL_DEFAULT_TX_RETRY 15 148 #define IWL_MGMT_DFAULT_RETRY_LIMIT 3 149 #define IWL_RTS_DFAULT_RETRY_LIMIT 60 150 #define IWL_BAR_DFAULT_RETRY_LIMIT 60 151 #define IWL_LOW_RETRY_LIMIT 7 152 153 /** 154 * enum iwl_tx_offload_assist_flags_pos - set %iwl_tx_cmd_v6 offload_assist values 155 * @TX_CMD_OFFLD_IP_HDR: offset to start of IP header (in words) 156 * from mac header end. For normal case it is 4 words for SNAP. 157 * note: tx_cmd, mac header and pad are not counted in the offset. 158 * This is used to help the offload in case there is tunneling such as 159 * IPv6 in IPv4, in such case the ip header offset should point to the 160 * inner ip header and IPv4 checksum of the external header should be 161 * calculated by driver. 162 * @TX_CMD_OFFLD_L4_EN: enable TCP/UDP checksum 163 * @TX_CMD_OFFLD_L3_EN: enable IP header checksum 164 * @TX_CMD_OFFLD_MH_SIZE: size of the mac header in words. Includes the IV 165 * field. Doesn't include the pad. 166 * @TX_CMD_OFFLD_PAD: mark 2-byte pad was inserted after the mac header for 167 * alignment 168 * @TX_CMD_OFFLD_AMSDU: mark TX command is A-MSDU 169 */ 170 enum iwl_tx_offload_assist_flags_pos { 171 TX_CMD_OFFLD_IP_HDR = 0, 172 TX_CMD_OFFLD_L4_EN = 6, 173 TX_CMD_OFFLD_L3_EN = 7, 174 TX_CMD_OFFLD_MH_SIZE = 8, 175 TX_CMD_OFFLD_PAD = 13, 176 TX_CMD_OFFLD_AMSDU = 14, 177 }; 178 179 #define IWL_TX_CMD_OFFLD_MH_MASK 0x1f 180 #define IWL_TX_CMD_OFFLD_IP_HDR_MASK 0x3f 181 182 /* TODO: complete documentation for try_cnt and btkill_cnt */ 183 /** 184 * struct iwl_tx_cmd_v6 - TX command struct to FW 185 * ( TX_CMD = 0x1c ) 186 * @len: in bytes of the payload, see below for details 187 * @offload_assist: TX offload configuration 188 * @tx_flags: combination of TX_CMD_FLG_*, see &enum iwl_tx_flags 189 * @scratch: scratch buffer used by the device 190 * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is 191 * cleared. Combination of RATE_MCS_* 192 * @sta_id: index of destination station in FW station table 193 * @sec_ctl: security control, TX_CMD_SEC_* 194 * @initial_rate_index: index into the rate table for initial TX attempt. 195 * Applied if TX_CMD_FLG_STA_RATE_MSK is set, normally 0 for data frames. 196 * @reserved2: reserved 197 * @key: security key 198 * @reserved3: reserved 199 * @life_time: frame life time (usecs??) 200 * @dram_lsb_ptr: Physical address of scratch area in the command (try_cnt + 201 * btkill_cnd + reserved), first 32 bits. "0" disables usage. 202 * @dram_msb_ptr: upper bits of the scratch physical address 203 * @rts_retry_limit: max attempts for RTS 204 * @data_retry_limit: max attempts to send the data packet 205 * @tid_tspec: TID/tspec 206 * @pm_frame_timeout: PM TX frame timeout 207 * @reserved4: reserved 208 * @payload: payload (same as @hdr) 209 * @hdr: 802.11 header (same as @payload) 210 * 211 * The byte count (both len and next_frame_len) includes MAC header 212 * (24/26/30/32 bytes) 213 * + 2 bytes pad if 26/30 header size 214 * + 8 byte IV for CCM or TKIP (not used for WEP) 215 * + Data payload 216 * + 8-byte MIC (not used for CCM/WEP) 217 * It does not include post-MAC padding, i.e., 218 * MIC (CCM) 8 bytes, ICV (WEP/TKIP/CKIP) 4 bytes, CRC 4 bytes. 219 * Range of len: 14-2342 bytes. 220 * 221 * After the struct fields the MAC header is placed, plus any padding, 222 * and then the actial payload. 223 */ 224 struct iwl_tx_cmd_v6 { 225 __le16 len; 226 __le16 offload_assist; 227 __le32 tx_flags; 228 struct { 229 u8 try_cnt; 230 u8 btkill_cnt; 231 __le16 reserved; 232 } scratch; /* DRAM_SCRATCH_API_U_VER_1 */ 233 __le32 rate_n_flags; 234 u8 sta_id; 235 u8 sec_ctl; 236 u8 initial_rate_index; 237 u8 reserved2; 238 u8 key[16]; 239 __le32 reserved3; 240 __le32 life_time; 241 __le32 dram_lsb_ptr; 242 u8 dram_msb_ptr; 243 u8 rts_retry_limit; 244 u8 data_retry_limit; 245 u8 tid_tspec; 246 __le16 pm_frame_timeout; 247 __le16 reserved4; 248 union { 249 DECLARE_FLEX_ARRAY(u8, payload); 250 DECLARE_FLEX_ARRAY(struct ieee80211_hdr, hdr); 251 }; 252 } __packed; /* TX_CMD_API_S_VER_6 */ 253 254 struct iwl_dram_sec_info { 255 __le32 pn_low; 256 __le16 pn_high; 257 __le16 aux_info; 258 } __packed; /* DRAM_SEC_INFO_API_S_VER_1 */ 259 260 /** 261 * struct iwl_tx_cmd_v9 - TX command struct to FW for 22000 devices 262 * ( TX_CMD = 0x1c ) 263 * @len: in bytes of the payload, see below for details 264 * @offload_assist: TX offload configuration 265 * @flags: combination of &enum iwl_tx_cmd_flags 266 * @dram_info: FW internal DRAM storage 267 * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is 268 * cleared. Combination of RATE_MCS_* 269 * @hdr: 802.11 header 270 */ 271 struct iwl_tx_cmd_v9 { 272 __le16 len; 273 __le16 offload_assist; 274 __le32 flags; 275 struct iwl_dram_sec_info dram_info; 276 __le32 rate_n_flags; 277 struct ieee80211_hdr hdr[]; 278 } __packed; /* TX_CMD_API_S_VER_7, 279 TX_CMD_API_S_VER_9 */ 280 281 /** 282 * struct iwl_tx_cmd - TX command struct to FW for AX210+ devices 283 * ( TX_CMD = 0x1c ) 284 * @len: in bytes of the payload, see below for details 285 * @flags: combination of &enum iwl_tx_cmd_flags 286 * @offload_assist: TX offload configuration 287 * @dram_info: FW internal DRAM storage 288 * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is 289 * cleared. Combination of RATE_MCS_*; format depends on version 290 * @reserved: reserved 291 * @hdr: 802.11 header 292 */ 293 struct iwl_tx_cmd { 294 __le16 len; 295 __le16 flags; 296 __le32 offload_assist; 297 struct iwl_dram_sec_info dram_info; 298 __le32 rate_n_flags; 299 u8 reserved[8]; 300 struct ieee80211_hdr hdr[]; 301 } __packed; /* TX_CMD_API_S_VER_10, 302 * TX_CMD_API_S_VER_11 303 */ 304 305 /* 306 * TX response related data 307 */ 308 309 /* 310 * enum iwl_tx_status - status that is returned by the fw after attempts to Tx 311 * @TX_STATUS_SUCCESS: 312 * @TX_STATUS_DIRECT_DONE: 313 * @TX_STATUS_POSTPONE_DELAY: 314 * @TX_STATUS_POSTPONE_FEW_BYTES: 315 * @TX_STATUS_POSTPONE_BT_PRIO: 316 * @TX_STATUS_POSTPONE_QUIET_PERIOD: 317 * @TX_STATUS_POSTPONE_CALC_TTAK: 318 * @TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY: 319 * @TX_STATUS_FAIL_SHORT_LIMIT: 320 * @TX_STATUS_FAIL_LONG_LIMIT: 321 * @TX_STATUS_FAIL_UNDERRUN: 322 * @TX_STATUS_FAIL_DRAIN_FLOW: 323 * @TX_STATUS_FAIL_RFKILL_FLUSH: 324 * @TX_STATUS_FAIL_LIFE_EXPIRE: 325 * @TX_STATUS_FAIL_DEST_PS: 326 * @TX_STATUS_FAIL_HOST_ABORTED: 327 * @TX_STATUS_FAIL_BT_RETRY: 328 * @TX_STATUS_FAIL_STA_INVALID: 329 * @TX_TATUS_FAIL_FRAG_DROPPED: 330 * @TX_STATUS_FAIL_TID_DISABLE: 331 * @TX_STATUS_FAIL_FIFO_FLUSHED: 332 * @TX_STATUS_FAIL_SMALL_CF_POLL: 333 * @TX_STATUS_FAIL_FW_DROP: 334 * @TX_STATUS_FAIL_STA_COLOR_MISMATCH: mismatch between color of Tx cmd and 335 * STA table 336 * @TX_FRAME_STATUS_INTERNAL_ABORT: 337 * @TX_MODE_MSK: 338 * @TX_MODE_NO_BURST: 339 * @TX_MODE_IN_BURST_SEQ: 340 * @TX_MODE_FIRST_IN_BURST: 341 * @TX_QUEUE_NUM_MSK: 342 * 343 * Valid only if frame_count =1 344 * TODO: complete documentation 345 */ 346 enum iwl_tx_status { 347 TX_STATUS_MSK = 0x000000ff, 348 TX_STATUS_SUCCESS = 0x01, 349 TX_STATUS_DIRECT_DONE = 0x02, 350 /* postpone TX */ 351 TX_STATUS_POSTPONE_DELAY = 0x40, 352 TX_STATUS_POSTPONE_FEW_BYTES = 0x41, 353 TX_STATUS_POSTPONE_BT_PRIO = 0x42, 354 TX_STATUS_POSTPONE_QUIET_PERIOD = 0x43, 355 TX_STATUS_POSTPONE_CALC_TTAK = 0x44, 356 /* abort TX */ 357 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY = 0x81, 358 TX_STATUS_FAIL_SHORT_LIMIT = 0x82, 359 TX_STATUS_FAIL_LONG_LIMIT = 0x83, 360 TX_STATUS_FAIL_UNDERRUN = 0x84, 361 TX_STATUS_FAIL_DRAIN_FLOW = 0x85, 362 TX_STATUS_FAIL_RFKILL_FLUSH = 0x86, 363 TX_STATUS_FAIL_LIFE_EXPIRE = 0x87, 364 TX_STATUS_FAIL_DEST_PS = 0x88, 365 TX_STATUS_FAIL_HOST_ABORTED = 0x89, 366 TX_STATUS_FAIL_BT_RETRY = 0x8a, 367 TX_STATUS_FAIL_STA_INVALID = 0x8b, 368 TX_STATUS_FAIL_FRAG_DROPPED = 0x8c, 369 TX_STATUS_FAIL_TID_DISABLE = 0x8d, 370 TX_STATUS_FAIL_FIFO_FLUSHED = 0x8e, 371 TX_STATUS_FAIL_SMALL_CF_POLL = 0x8f, 372 TX_STATUS_FAIL_FW_DROP = 0x90, 373 TX_STATUS_FAIL_STA_COLOR_MISMATCH = 0x91, 374 TX_STATUS_INTERNAL_ABORT = 0x92, 375 TX_MODE_MSK = 0x00000f00, 376 TX_MODE_NO_BURST = 0x00000000, 377 TX_MODE_IN_BURST_SEQ = 0x00000100, 378 TX_MODE_FIRST_IN_BURST = 0x00000200, 379 TX_QUEUE_NUM_MSK = 0x0001f000, 380 TX_NARROW_BW_MSK = 0x00060000, 381 TX_NARROW_BW_1DIV2 = 0x00020000, 382 TX_NARROW_BW_1DIV4 = 0x00040000, 383 TX_NARROW_BW_1DIV8 = 0x00060000, 384 }; 385 386 /* 387 * enum iwl_tx_agg_status - TX aggregation status 388 * @AGG_TX_STATE_STATUS_MSK: 389 * @AGG_TX_STATE_TRANSMITTED: 390 * @AGG_TX_STATE_UNDERRUN: 391 * @AGG_TX_STATE_BT_PRIO: 392 * @AGG_TX_STATE_FEW_BYTES: 393 * @AGG_TX_STATE_ABORT: 394 * @AGG_TX_STATE_TX_ON_AIR_DROP: TX_ON_AIR signal drop without underrun or 395 * BT detection 396 * @AGG_TX_STATE_LAST_SENT_TRY_CNT: 397 * @AGG_TX_STATE_LAST_SENT_BT_KILL: 398 * @AGG_TX_STATE_SCD_QUERY: 399 * @AGG_TX_STATE_TEST_BAD_CRC32: 400 * @AGG_TX_STATE_RESPONSE: 401 * @AGG_TX_STATE_DUMP_TX: 402 * @AGG_TX_STATE_DELAY_TX: 403 * @AGG_TX_STATE_TRY_CNT_MSK: Retry count for 1st frame in aggregation (retries 404 * occur if tx failed for this frame when it was a member of a previous 405 * aggregation block). If rate scaling is used, retry count indicates the 406 * rate table entry used for all frames in the new agg. 407 * @AGG_TX_STATE_SEQ_NUM_MSK: Command ID and sequence number of Tx command for 408 * this frame 409 * 410 * TODO: complete documentation 411 */ 412 enum iwl_tx_agg_status { 413 AGG_TX_STATE_STATUS_MSK = 0x00fff, 414 AGG_TX_STATE_TRANSMITTED = 0x000, 415 AGG_TX_STATE_UNDERRUN = 0x001, 416 AGG_TX_STATE_BT_PRIO = 0x002, 417 AGG_TX_STATE_FEW_BYTES = 0x004, 418 AGG_TX_STATE_ABORT = 0x008, 419 AGG_TX_STATE_TX_ON_AIR_DROP = 0x010, 420 AGG_TX_STATE_LAST_SENT_TRY_CNT = 0x020, 421 AGG_TX_STATE_LAST_SENT_BT_KILL = 0x040, 422 AGG_TX_STATE_SCD_QUERY = 0x080, 423 AGG_TX_STATE_TEST_BAD_CRC32 = 0x0100, 424 AGG_TX_STATE_RESPONSE = 0x1ff, 425 AGG_TX_STATE_DUMP_TX = 0x200, 426 AGG_TX_STATE_DELAY_TX = 0x400, 427 AGG_TX_STATE_TRY_CNT_POS = 12, 428 AGG_TX_STATE_TRY_CNT_MSK = 0xf << AGG_TX_STATE_TRY_CNT_POS, 429 }; 430 431 /* 432 * The mask below describes a status where we are absolutely sure that the MPDU 433 * wasn't sent. For BA/Underrun we cannot be that sure. All we know that we've 434 * written the bytes to the TXE, but we know nothing about what the DSP did. 435 */ 436 #define AGG_TX_STAT_FRAME_NOT_SENT (AGG_TX_STATE_FEW_BYTES | \ 437 AGG_TX_STATE_ABORT | \ 438 AGG_TX_STATE_SCD_QUERY) 439 440 /* 441 * REPLY_TX = 0x1c (response) 442 * 443 * This response may be in one of two slightly different formats, indicated 444 * by the frame_count field: 445 * 446 * 1) No aggregation (frame_count == 1). This reports Tx results for a single 447 * frame. Multiple attempts, at various bit rates, may have been made for 448 * this frame. 449 * 450 * 2) Aggregation (frame_count > 1). This reports Tx results for two or more 451 * frames that used block-acknowledge. All frames were transmitted at 452 * same rate. Rate scaling may have been used if first frame in this new 453 * agg block failed in previous agg block(s). 454 * 455 * Note that, for aggregation, ACK (block-ack) status is not delivered 456 * here; block-ack has not been received by the time the device records 457 * this status. 458 * This status relates to reasons the tx might have been blocked or aborted 459 * within the device, rather than whether it was received successfully by 460 * the destination station. 461 */ 462 463 /** 464 * struct agg_tx_status - per packet TX aggregation status 465 * @status: See &enum iwl_tx_agg_status 466 * @sequence: Sequence # for this frame's Tx cmd (not SSN!) 467 */ 468 struct agg_tx_status { 469 __le16 status; 470 __le16 sequence; 471 } __packed; 472 473 /* 474 * definitions for initial rate index field 475 * bits [3:0] initial rate index 476 * bits [6:4] rate table color, used for the initial rate 477 * bit-7 invalid rate indication 478 */ 479 #define TX_RES_INIT_RATE_INDEX_MSK 0x0f 480 #define TX_RES_RATE_TABLE_COLOR_POS 4 481 #define TX_RES_RATE_TABLE_COLOR_MSK 0x70 482 #define TX_RES_INV_RATE_INDEX_MSK 0x80 483 #define TX_RES_RATE_TABLE_COL_GET(_f) (((_f) & TX_RES_RATE_TABLE_COLOR_MSK) >>\ 484 TX_RES_RATE_TABLE_COLOR_POS) 485 486 #define IWL_TX_RES_GET_TID(_ra_tid) ((_ra_tid) & 0x0f) 487 #define IWL_TX_RES_GET_RA(_ra_tid) ((_ra_tid) >> 4) 488 489 /** 490 * struct iwl_tx_resp_v3 - notifies that fw is TXing a packet 491 * ( REPLY_TX = 0x1c ) 492 * @frame_count: 1 no aggregation, >1 aggregation 493 * @bt_kill_count: num of times blocked by bluetooth (unused for agg) 494 * @failure_rts: num of failures due to unsuccessful RTS 495 * @failure_frame: num failures due to no ACK (unused for agg) 496 * @initial_rate: for non-agg: rate of the successful Tx. For agg: rate of the 497 * Tx of all the batch. RATE_MCS_* 498 * @wireless_media_time: for non-agg: RTS + CTS + frame tx attempts time + ACK. 499 * for agg: RTS + CTS + aggregation tx time + block-ack time. 500 * in usec. 501 * @pa_status: tx power info 502 * @pa_integ_res_a: tx power info 503 * @pa_integ_res_b: tx power info 504 * @pa_integ_res_c: tx power info 505 * @measurement_req_id: tx power info 506 * @reduced_tpc: transmit power reduction used 507 * @reserved: reserved 508 * @tfd_info: TFD information set by the FH 509 * @seq_ctl: sequence control from the Tx cmd 510 * @byte_cnt: byte count from the Tx cmd 511 * @tlc_info: TLC rate info 512 * @ra_tid: bits [3:0] = ra, bits [7:4] = tid 513 * @frame_ctrl: frame control 514 * @status: for non-agg: frame status TX_STATUS_* 515 * for agg: status of 1st frame, AGG_TX_STATE_*; other frame status fields 516 * follow this one, up to frame_count. Length in @frame_count. 517 * 518 * After the array of statuses comes the SSN of the SCD. Look at 519 * %iwl_mvm_get_scd_ssn for more details. 520 */ 521 struct iwl_tx_resp_v3 { 522 u8 frame_count; 523 u8 bt_kill_count; 524 u8 failure_rts; 525 u8 failure_frame; 526 __le32 initial_rate; 527 __le16 wireless_media_time; 528 529 u8 pa_status; 530 u8 pa_integ_res_a[3]; 531 u8 pa_integ_res_b[3]; 532 u8 pa_integ_res_c[3]; 533 __le16 measurement_req_id; 534 u8 reduced_tpc; 535 u8 reserved; 536 537 __le32 tfd_info; 538 __le16 seq_ctl; 539 __le16 byte_cnt; 540 u8 tlc_info; 541 u8 ra_tid; 542 __le16 frame_ctrl; 543 struct agg_tx_status status[]; 544 } __packed; /* TX_RSP_API_S_VER_3 */ 545 546 /** 547 * struct iwl_tx_resp - notifies that fw is TXing a packet 548 * ( REPLY_TX = 0x1c ) 549 * @frame_count: 1 no aggregation, >1 aggregation 550 * @bt_kill_count: num of times blocked by bluetooth (unused for agg) 551 * @failure_rts: num of failures due to unsuccessful RTS 552 * @failure_frame: num failures due to no ACK (unused for agg) 553 * @initial_rate: for non-agg: rate of the successful Tx. For agg: rate of the 554 * Tx of all the batch. RATE_MCS_*; format depends on command version 555 * @wireless_media_time: for non-agg: RTS + CTS + frame tx attempts time + ACK. 556 * for agg: RTS + CTS + aggregation tx time + block-ack time. 557 * in usec. 558 * @pa_status: tx power info 559 * @pa_integ_res_a: tx power info 560 * @pa_integ_res_b: tx power info 561 * @pa_integ_res_c: tx power info 562 * @measurement_req_id: tx power info 563 * @reduced_tpc: transmit power reduction used 564 * @reserved: reserved 565 * @tfd_info: TFD information set by the FH 566 * @seq_ctl: sequence control from the Tx cmd 567 * @byte_cnt: byte count from the Tx cmd 568 * @tlc_info: TLC rate info 569 * @ra_tid: bits [3:0] = ra, bits [7:4] = tid 570 * @frame_ctrl: frame control 571 * @tx_queue: TX queue for this response 572 * @reserved2: reserved for padding/alignment 573 * @status: for non-agg: frame status TX_STATUS_* 574 * For version 6 TX response isn't received for aggregation at all. 575 * 576 * After the array of statuses comes the SSN of the SCD. Look at 577 * %iwl_mvm_get_scd_ssn for more details. 578 */ 579 struct iwl_tx_resp { 580 u8 frame_count; 581 u8 bt_kill_count; 582 u8 failure_rts; 583 u8 failure_frame; 584 __le32 initial_rate; 585 __le16 wireless_media_time; 586 587 u8 pa_status; 588 u8 pa_integ_res_a[3]; 589 u8 pa_integ_res_b[3]; 590 u8 pa_integ_res_c[3]; 591 __le16 measurement_req_id; 592 u8 reduced_tpc; 593 u8 reserved; 594 595 __le32 tfd_info; 596 __le16 seq_ctl; 597 __le16 byte_cnt; 598 u8 tlc_info; 599 u8 ra_tid; 600 __le16 frame_ctrl; 601 __le16 tx_queue; 602 __le16 reserved2; 603 struct agg_tx_status status; 604 } __packed; /* TX_RSP_API_S_VER_6, 605 * TX_RSP_API_S_VER_7, 606 * TX_RSP_API_S_VER_8, 607 * TX_RSP_API_S_VER_9 608 */ 609 610 /** 611 * struct iwl_mvm_ba_notif - notifies about reception of BA 612 * ( BA_NOTIF = 0xc5 ) 613 * @sta_addr: MAC address 614 * @reserved: reserved 615 * @sta_id: Index of recipient (BA-sending) station in fw's station table 616 * @tid: tid of the session 617 * @seq_ctl: sequence control field 618 * @bitmap: the bitmap of the BA notification as seen in the air 619 * @scd_flow: the tx queue this BA relates to 620 * @scd_ssn: the index of the last contiguously sent packet 621 * @txed: number of Txed frames in this batch 622 * @txed_2_done: number of Acked frames in this batch 623 * @reduced_txp: power reduced according to TPC. This is the actual value and 624 * not a copy from the LQ command. Thus, if not the first rate was used 625 * for Tx-ing then this value will be set to 0 by FW. 626 * @reserved1: reserved 627 */ 628 struct iwl_mvm_ba_notif { 629 u8 sta_addr[ETH_ALEN]; 630 __le16 reserved; 631 632 u8 sta_id; 633 u8 tid; 634 __le16 seq_ctl; 635 __le64 bitmap; 636 __le16 scd_flow; 637 __le16 scd_ssn; 638 u8 txed; 639 u8 txed_2_done; 640 u8 reduced_txp; 641 u8 reserved1; 642 } __packed; 643 644 /** 645 * struct iwl_compressed_ba_tfd - progress of a TFD queue 646 * @q_num: TFD queue number 647 * @tfd_index: Index of first un-acked frame in the TFD queue 648 * @scd_queue: For debug only - the physical queue the TFD queue is bound to 649 * @tid: TID of the queue (0-7) 650 * @reserved: reserved for alignment 651 */ 652 struct iwl_compressed_ba_tfd { 653 __le16 q_num; 654 __le16 tfd_index; 655 u8 scd_queue; 656 u8 tid; 657 u8 reserved[2]; 658 } __packed; /* COMPRESSED_BA_TFD_API_S_VER_1 */ 659 660 /** 661 * struct iwl_compressed_ba_ratid - progress of a RA TID queue 662 * @q_num: RA TID queue number 663 * @tid: TID of the queue 664 * @ssn: BA window current SSN 665 */ 666 struct iwl_compressed_ba_ratid { 667 u8 q_num; 668 u8 tid; 669 __le16 ssn; 670 } __packed; /* COMPRESSED_BA_RATID_API_S_VER_1 */ 671 672 /* 673 * enum iwl_mvm_ba_resp_flags - TX aggregation status 674 * @IWL_MVM_BA_RESP_TX_AGG: generated due to BA 675 * @IWL_MVM_BA_RESP_TX_BAR: generated due to BA after BAR 676 * @IWL_MVM_BA_RESP_TX_AGG_FAIL: aggregation didn't receive BA 677 * @IWL_MVM_BA_RESP_TX_UNDERRUN: aggregation got underrun 678 * @IWL_MVM_BA_RESP_TX_BT_KILL: aggregation got BT-kill 679 * @IWL_MVM_BA_RESP_TX_DSP_TIMEOUT: aggregation didn't finish within the 680 * expected time 681 */ 682 enum iwl_mvm_ba_resp_flags { 683 IWL_MVM_BA_RESP_TX_AGG, 684 IWL_MVM_BA_RESP_TX_BAR, 685 IWL_MVM_BA_RESP_TX_AGG_FAIL, 686 IWL_MVM_BA_RESP_TX_UNDERRUN, 687 IWL_MVM_BA_RESP_TX_BT_KILL, 688 IWL_MVM_BA_RESP_TX_DSP_TIMEOUT 689 }; 690 691 /** 692 * struct iwl_compressed_ba_notif - notifies about reception of BA 693 * ( BA_NOTIF = 0xc5 ) 694 * @flags: status flag, see the &iwl_mvm_ba_resp_flags 695 * @sta_id: Index of recipient (BA-sending) station in fw's station table 696 * @reduced_txp: power reduced according to TPC. This is the actual value and 697 * not a copy from the LQ command. Thus, if not the first rate was used 698 * for Tx-ing then this value will be set to 0 by FW. 699 * @tlc_rate_info: TLC rate info, initial rate index, TLC table color 700 * @retry_cnt: retry count 701 * @query_byte_cnt: SCD query byte count 702 * @query_frame_cnt: SCD query frame count 703 * @txed: number of frames sent in the aggregation (all-TIDs) 704 * @done: number of frames that were Acked by the BA (all-TIDs) 705 * @rts_retry_cnt: RTS retry count 706 * @reserved: reserved (for alignment) 707 * @wireless_time: Wireless-media time 708 * @tx_rate: the rate the aggregation was sent at. Format depends on command 709 * version. 710 * @tfd_cnt: number of TFD-Q elements 711 * @ra_tid_cnt: number of RATID-Q elements 712 * @tfd: array of TFD queue status updates. See &iwl_compressed_ba_tfd 713 * for details. Length in @tfd_cnt. 714 * @ra_tid: array of RA-TID queue status updates. For debug purposes only. See 715 * &iwl_compressed_ba_ratid for more details. Length in @ra_tid_cnt. 716 */ 717 struct iwl_compressed_ba_notif { 718 __le32 flags; 719 u8 sta_id; 720 u8 reduced_txp; 721 u8 tlc_rate_info; 722 u8 retry_cnt; 723 __le32 query_byte_cnt; 724 __le16 query_frame_cnt; 725 __le16 txed; 726 __le16 done; 727 u8 rts_retry_cnt; 728 u8 reserved; 729 __le32 wireless_time; 730 __le32 tx_rate; 731 __le16 tfd_cnt; 732 __le16 ra_tid_cnt; 733 union { 734 DECLARE_FLEX_ARRAY(struct iwl_compressed_ba_ratid, ra_tid); 735 DECLARE_FLEX_ARRAY(struct iwl_compressed_ba_tfd, tfd); 736 }; 737 } __packed; /* COMPRESSED_BA_RES_API_S_VER_4, 738 COMPRESSED_BA_RES_API_S_VER_6, 739 COMPRESSED_BA_RES_API_S_VER_7 */ 740 741 /** 742 * struct iwl_mac_beacon_cmd_v6 - beacon template command 743 * @tx: the tx commands associated with the beacon frame 744 * @template_id: currently equal to the mac context id of the coresponding 745 * mac. 746 * @tim_idx: the offset of the tim IE in the beacon 747 * @tim_size: the length of the tim IE 748 * @frame: the template of the beacon frame 749 */ 750 struct iwl_mac_beacon_cmd_v6 { 751 struct iwl_tx_cmd_v6 tx; 752 __le32 template_id; 753 __le32 tim_idx; 754 __le32 tim_size; 755 struct ieee80211_hdr frame[]; 756 } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_6 */ 757 758 /** 759 * struct iwl_mac_beacon_cmd_v7 - beacon template command with offloaded CSA 760 * @tx: the tx commands associated with the beacon frame 761 * @template_id: currently equal to the mac context id of the coresponding 762 * mac. 763 * @tim_idx: the offset of the tim IE in the beacon 764 * @tim_size: the length of the tim IE 765 * @ecsa_offset: offset to the ECSA IE if present 766 * @csa_offset: offset to the CSA IE if present 767 * @frame: the template of the beacon frame 768 */ 769 struct iwl_mac_beacon_cmd_v7 { 770 struct iwl_tx_cmd_v6 tx; 771 __le32 template_id; 772 __le32 tim_idx; 773 __le32 tim_size; 774 __le32 ecsa_offset; 775 __le32 csa_offset; 776 struct ieee80211_hdr frame[]; 777 } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */ 778 779 /* Bit flags for BEACON_TEMPLATE_CMD_API until version 10 */ 780 enum iwl_mac_beacon_flags_v1 { 781 IWL_MAC_BEACON_CCK_V1 = BIT(8), 782 IWL_MAC_BEACON_ANT_A_V1 = BIT(9), 783 IWL_MAC_BEACON_ANT_B_V1 = BIT(10), 784 IWL_MAC_BEACON_FILS_V1 = BIT(12), 785 }; 786 787 /* Bit flags for BEACON_TEMPLATE_CMD_API version 11 and above */ 788 enum iwl_mac_beacon_flags { 789 IWL_MAC_BEACON_CCK = BIT(5), 790 IWL_MAC_BEACON_ANT_A = BIT(6), 791 IWL_MAC_BEACON_ANT_B = BIT(7), 792 IWL_MAC_BEACON_FILS = BIT(8), 793 }; 794 795 /** 796 * struct iwl_mac_beacon_cmd - beacon template command with offloaded CSA 797 * @byte_cnt: byte count of the beacon frame. 798 * @flags: least significant byte for rate code. The most significant byte 799 * is &enum iwl_mac_beacon_flags. 800 * @short_ssid: Short SSID 801 * @reserved: reserved 802 * @link_id: the firmware id of the link that will use this beacon 803 * @tim_idx: the offset of the tim IE in the beacon 804 * @tim_size: the length of the tim IE (version < 14) 805 * @btwt_offset: offset to the broadcast TWT IE if present (version >= 14) 806 * @ecsa_offset: offset to the ECSA IE if present 807 * @csa_offset: offset to the CSA IE if present 808 * @frame: the template of the beacon frame 809 */ 810 struct iwl_mac_beacon_cmd { 811 __le16 byte_cnt; 812 __le16 flags; 813 __le32 short_ssid; 814 __le32 reserved; 815 __le32 link_id; 816 __le32 tim_idx; 817 union { 818 __le32 tim_size; 819 __le32 btwt_offset; 820 }; 821 __le32 ecsa_offset; 822 __le32 csa_offset; 823 struct ieee80211_hdr frame[]; 824 } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10, 825 * BEACON_TEMPLATE_CMD_API_S_VER_11, 826 * BEACON_TEMPLATE_CMD_API_S_VER_12, 827 * BEACON_TEMPLATE_CMD_API_S_VER_13, 828 * BEACON_TEMPLATE_CMD_API_S_VER_14 829 */ 830 831 struct iwl_beacon_notif { 832 struct iwl_tx_resp beacon_notify_hdr; 833 __le64 tsf; 834 __le32 ibss_mgr_status; 835 } __packed; 836 837 /** 838 * struct iwl_extended_beacon_notif_v5 - notifies about beacon transmission 839 * @beacon_notify_hdr: tx response command associated with the beacon 840 * @tsf: last beacon tsf 841 * @ibss_mgr_status: whether IBSS is manager 842 * @gp2: last beacon time in gp2 843 */ 844 struct iwl_extended_beacon_notif_v5 { 845 struct iwl_tx_resp beacon_notify_hdr; 846 __le64 tsf; 847 __le32 ibss_mgr_status; 848 __le32 gp2; 849 } __packed; /* BEACON_NTFY_API_S_VER_5 */ 850 851 /** 852 * struct iwl_extended_beacon_notif - notifies about beacon transmission 853 * @status: the status of the Tx response of the beacon 854 * @tsf: last beacon tsf 855 * @ibss_mgr_status: whether IBSS is manager 856 * @gp2: last beacon time in gp2 857 */ 858 struct iwl_extended_beacon_notif { 859 __le32 status; 860 __le64 tsf; 861 __le32 ibss_mgr_status; 862 __le32 gp2; 863 } __packed; /* BEACON_NTFY_API_S_VER_6_ */ 864 865 /** 866 * enum iwl_dump_control - dump (flush) control flags 867 * @DUMP_TX_FIFO_FLUSH: Dump MSDUs until the the FIFO is empty 868 * and the TFD queues are empty. 869 */ 870 enum iwl_dump_control { 871 DUMP_TX_FIFO_FLUSH = BIT(1), 872 }; 873 874 /** 875 * struct iwl_tx_path_flush_cmd_v1 -- queue/FIFO flush command 876 * @queues_ctl: bitmap of queues to flush 877 * @flush_ctl: control flags 878 * @reserved: reserved 879 */ 880 struct iwl_tx_path_flush_cmd_v1 { 881 __le32 queues_ctl; 882 __le16 flush_ctl; 883 __le16 reserved; 884 } __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_1 */ 885 886 /** 887 * struct iwl_tx_path_flush_cmd -- queue/FIFO flush command 888 * @sta_id: station ID to flush 889 * @tid_mask: TID mask to flush 890 * @reserved: reserved 891 */ 892 struct iwl_tx_path_flush_cmd { 893 __le32 sta_id; 894 __le16 tid_mask; 895 __le16 reserved; 896 } __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_2 */ 897 898 #define IWL_TX_FLUSH_QUEUE_RSP 16 899 900 /** 901 * struct iwl_flush_queue_info - virtual flush queue info 902 * @tid: the tid to flush 903 * @queue_num: virtual queue id 904 * @read_before_flush: read pointer before flush 905 * @read_after_flush: read pointer after flush 906 */ 907 struct iwl_flush_queue_info { 908 __le16 tid; 909 __le16 queue_num; 910 __le16 read_before_flush; 911 __le16 read_after_flush; 912 } __packed; /* TFDQ_FLUSH_INFO_API_S_VER_1 */ 913 914 /** 915 * struct iwl_tx_path_flush_cmd_rsp -- queue/FIFO flush command response 916 * @sta_id: the station for which the queue was flushed 917 * @num_flushed_queues: number of queues in queues array 918 * @queues: all flushed queues 919 */ 920 struct iwl_tx_path_flush_cmd_rsp { 921 __le16 sta_id; 922 __le16 num_flushed_queues; 923 struct iwl_flush_queue_info queues[IWL_TX_FLUSH_QUEUE_RSP]; 924 } __packed; /* TX_PATH_FLUSH_CMD_RSP_API_S_VER_1 */ 925 926 /* Available options for the SCD_QUEUE_CFG HCMD */ 927 enum iwl_scd_cfg_actions { 928 SCD_CFG_DISABLE_QUEUE = 0x0, 929 SCD_CFG_ENABLE_QUEUE = 0x1, 930 SCD_CFG_UPDATE_QUEUE_TID = 0x2, 931 }; 932 933 /** 934 * struct iwl_scd_txq_cfg_cmd - New txq hw scheduler config command 935 * @token: unused 936 * @sta_id: station id 937 * @tid: TID 938 * @scd_queue: scheduler queue to confiug 939 * @action: 1 queue enable, 0 queue disable, 2 change txq's tid owner 940 * Value is one of &enum iwl_scd_cfg_actions options 941 * @aggregate: 1 aggregated queue, 0 otherwise 942 * @tx_fifo: &enum iwl_mvm_tx_fifo 943 * @window: BA window size 944 * @ssn: SSN for the BA agreement 945 * @reserved: reserved 946 */ 947 struct iwl_scd_txq_cfg_cmd { 948 u8 token; 949 u8 sta_id; 950 u8 tid; 951 u8 scd_queue; 952 u8 action; 953 u8 aggregate; 954 u8 tx_fifo; 955 u8 window; 956 __le16 ssn; 957 __le16 reserved; 958 } __packed; /* SCD_QUEUE_CFG_CMD_API_S_VER_1 */ 959 960 /** 961 * struct iwl_scd_txq_cfg_rsp 962 * @token: taken from the command 963 * @sta_id: station id from the command 964 * @tid: tid from the command 965 * @scd_queue: scd_queue from the command 966 */ 967 struct iwl_scd_txq_cfg_rsp { 968 u8 token; 969 u8 sta_id; 970 u8 tid; 971 u8 scd_queue; 972 } __packed; /* SCD_QUEUE_CFG_RSP_API_S_VER_1 */ 973 974 #endif /* __iwl_fw_api_tx_h__ */ 975