1 /* SPDX-License-Identifier: ISC */ 2 /* 3 * Copyright (c) 2005-2011 Atheros Communications Inc. 4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. 5 */ 6 7 #ifndef _RX_DESC_H_ 8 #define _RX_DESC_H_ 9 10 #include <linux/bitops.h> 11 12 enum rx_attention_flags { 13 RX_ATTENTION_FLAGS_FIRST_MPDU = BIT(0), 14 RX_ATTENTION_FLAGS_LAST_MPDU = BIT(1), 15 RX_ATTENTION_FLAGS_MCAST_BCAST = BIT(2), 16 RX_ATTENTION_FLAGS_PEER_IDX_INVALID = BIT(3), 17 RX_ATTENTION_FLAGS_PEER_IDX_TIMEOUT = BIT(4), 18 RX_ATTENTION_FLAGS_POWER_MGMT = BIT(5), 19 RX_ATTENTION_FLAGS_NON_QOS = BIT(6), 20 RX_ATTENTION_FLAGS_NULL_DATA = BIT(7), 21 RX_ATTENTION_FLAGS_MGMT_TYPE = BIT(8), 22 RX_ATTENTION_FLAGS_CTRL_TYPE = BIT(9), 23 RX_ATTENTION_FLAGS_MORE_DATA = BIT(10), 24 RX_ATTENTION_FLAGS_EOSP = BIT(11), 25 RX_ATTENTION_FLAGS_U_APSD_TRIGGER = BIT(12), 26 RX_ATTENTION_FLAGS_FRAGMENT = BIT(13), 27 RX_ATTENTION_FLAGS_ORDER = BIT(14), 28 RX_ATTENTION_FLAGS_CLASSIFICATION = BIT(15), 29 RX_ATTENTION_FLAGS_OVERFLOW_ERR = BIT(16), 30 RX_ATTENTION_FLAGS_MSDU_LENGTH_ERR = BIT(17), 31 RX_ATTENTION_FLAGS_TCP_UDP_CHKSUM_FAIL = BIT(18), 32 RX_ATTENTION_FLAGS_IP_CHKSUM_FAIL = BIT(19), 33 RX_ATTENTION_FLAGS_SA_IDX_INVALID = BIT(20), 34 RX_ATTENTION_FLAGS_DA_IDX_INVALID = BIT(21), 35 RX_ATTENTION_FLAGS_SA_IDX_TIMEOUT = BIT(22), 36 RX_ATTENTION_FLAGS_DA_IDX_TIMEOUT = BIT(23), 37 RX_ATTENTION_FLAGS_ENCRYPT_REQUIRED = BIT(24), 38 RX_ATTENTION_FLAGS_DIRECTED = BIT(25), 39 RX_ATTENTION_FLAGS_BUFFER_FRAGMENT = BIT(26), 40 RX_ATTENTION_FLAGS_MPDU_LENGTH_ERR = BIT(27), 41 RX_ATTENTION_FLAGS_TKIP_MIC_ERR = BIT(28), 42 RX_ATTENTION_FLAGS_DECRYPT_ERR = BIT(29), 43 RX_ATTENTION_FLAGS_FCS_ERR = BIT(30), 44 RX_ATTENTION_FLAGS_MSDU_DONE = BIT(31), 45 }; 46 47 struct rx_attention { 48 __le32 flags; /* %RX_ATTENTION_FLAGS_ */ 49 } __packed; 50 51 /* 52 * first_mpdu 53 * Indicates the first MSDU of the PPDU. If both first_mpdu 54 * and last_mpdu are set in the MSDU then this is a not an 55 * A-MPDU frame but a stand alone MPDU. Interior MPDU in an 56 * A-MPDU shall have both first_mpdu and last_mpdu bits set to 57 * 0. The PPDU start status will only be valid when this bit 58 * is set. 59 * 60 * last_mpdu 61 * Indicates the last MSDU of the last MPDU of the PPDU. The 62 * PPDU end status will only be valid when this bit is set. 63 * 64 * mcast_bcast 65 * Multicast / broadcast indicator. Only set when the MAC 66 * address 1 bit 0 is set indicating mcast/bcast and the BSSID 67 * matches one of the 4 BSSID registers. Only set when 68 * first_msdu is set. 69 * 70 * peer_idx_invalid 71 * Indicates no matching entries within the max search 72 * count. Only set when first_msdu is set. 73 * 74 * peer_idx_timeout 75 * Indicates an unsuccessful search for the peer index due to 76 * timeout. Only set when first_msdu is set. 77 * 78 * power_mgmt 79 * Power management bit set in the 802.11 header. Only set 80 * when first_msdu is set. 81 * 82 * non_qos 83 * Set if packet is not a non-QoS data frame. Only set when 84 * first_msdu is set. 85 * 86 * null_data 87 * Set if frame type indicates either null data or QoS null 88 * data format. Only set when first_msdu is set. 89 * 90 * mgmt_type 91 * Set if packet is a management packet. Only set when 92 * first_msdu is set. 93 * 94 * ctrl_type 95 * Set if packet is a control packet. Only set when first_msdu 96 * is set. 97 * 98 * more_data 99 * Set if more bit in frame control is set. Only set when 100 * first_msdu is set. 101 * 102 * eosp 103 * Set if the EOSP (end of service period) bit in the QoS 104 * control field is set. Only set when first_msdu is set. 105 * 106 * u_apsd_trigger 107 * Set if packet is U-APSD trigger. Key table will have bits 108 * per TID to indicate U-APSD trigger. 109 * 110 * fragment 111 * Indicates that this is an 802.11 fragment frame. This is 112 * set when either the more_frag bit is set in the frame 113 * control or the fragment number is not zero. Only set when 114 * first_msdu is set. 115 * 116 * order 117 * Set if the order bit in the frame control is set. Only set 118 * when first_msdu is set. 119 * 120 * classification 121 * Indicates that this status has a corresponding MSDU that 122 * requires FW processing. The OLE will have classification 123 * ring mask registers which will indicate the ring(s) for 124 * packets and descriptors which need FW attention. 125 * 126 * overflow_err 127 * PCU Receive FIFO does not have enough space to store the 128 * full receive packet. Enough space is reserved in the 129 * receive FIFO for the status is written. This MPDU remaining 130 * packets in the PPDU will be filtered and no Ack response 131 * will be transmitted. 132 * 133 * msdu_length_err 134 * Indicates that the MSDU length from the 802.3 encapsulated 135 * length field extends beyond the MPDU boundary. 136 * 137 * tcp_udp_chksum_fail 138 * Indicates that the computed checksum (tcp_udp_chksum) did 139 * not match the checksum in the TCP/UDP header. 140 * 141 * ip_chksum_fail 142 * Indicates that the computed checksum did not match the 143 * checksum in the IP header. 144 * 145 * sa_idx_invalid 146 * Indicates no matching entry was found in the address search 147 * table for the source MAC address. 148 * 149 * da_idx_invalid 150 * Indicates no matching entry was found in the address search 151 * table for the destination MAC address. 152 * 153 * sa_idx_timeout 154 * Indicates an unsuccessful search for the source MAC address 155 * due to the expiring of the search timer. 156 * 157 * da_idx_timeout 158 * Indicates an unsuccessful search for the destination MAC 159 * address due to the expiring of the search timer. 160 * 161 * encrypt_required 162 * Indicates that this data type frame is not encrypted even if 163 * the policy for this MPDU requires encryption as indicated in 164 * the peer table key type. 165 * 166 * directed 167 * MPDU is a directed packet which means that the RA matched 168 * our STA addresses. In proxySTA it means that the TA matched 169 * an entry in our address search table with the corresponding 170 * 'no_ack' bit is the address search entry cleared. 171 * 172 * buffer_fragment 173 * Indicates that at least one of the rx buffers has been 174 * fragmented. If set the FW should look at the rx_frag_info 175 * descriptor described below. 176 * 177 * mpdu_length_err 178 * Indicates that the MPDU was pre-maturely terminated 179 * resulting in a truncated MPDU. Don't trust the MPDU length 180 * field. 181 * 182 * tkip_mic_err 183 * Indicates that the MPDU Michael integrity check failed 184 * 185 * decrypt_err 186 * Indicates that the MPDU decrypt integrity check failed 187 * 188 * fcs_err 189 * Indicates that the MPDU FCS check failed 190 * 191 * msdu_done 192 * If set indicates that the RX packet data, RX header data, RX 193 * PPDU start descriptor, RX MPDU start/end descriptor, RX MSDU 194 * start/end descriptors and RX Attention descriptor are all 195 * valid. This bit must be in the last octet of the 196 * descriptor. 197 */ 198 199 struct rx_frag_info_common { 200 u8 ring0_more_count; 201 u8 ring1_more_count; 202 u8 ring2_more_count; 203 u8 ring3_more_count; 204 } __packed; 205 206 struct rx_frag_info_wcn3990 { 207 u8 ring4_more_count; 208 u8 ring5_more_count; 209 u8 ring6_more_count; 210 u8 ring7_more_count; 211 } __packed; 212 213 struct rx_frag_info { 214 struct rx_frag_info_common common; 215 union { 216 struct rx_frag_info_wcn3990 wcn3990; 217 } __packed; 218 } __packed; 219 220 struct rx_frag_info_v1 { 221 struct rx_frag_info_common common; 222 } __packed; 223 224 /* 225 * ring0_more_count 226 * Indicates the number of more buffers associated with RX DMA 227 * ring 0. Field is filled in by the RX_DMA. 228 * 229 * ring1_more_count 230 * Indicates the number of more buffers associated with RX DMA 231 * ring 1. Field is filled in by the RX_DMA. 232 * 233 * ring2_more_count 234 * Indicates the number of more buffers associated with RX DMA 235 * ring 2. Field is filled in by the RX_DMA. 236 * 237 * ring3_more_count 238 * Indicates the number of more buffers associated with RX DMA 239 * ring 3. Field is filled in by the RX_DMA. 240 */ 241 242 enum htt_rx_mpdu_encrypt_type { 243 HTT_RX_MPDU_ENCRYPT_WEP40 = 0, 244 HTT_RX_MPDU_ENCRYPT_WEP104 = 1, 245 HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC = 2, 246 HTT_RX_MPDU_ENCRYPT_WEP128 = 3, 247 HTT_RX_MPDU_ENCRYPT_TKIP_WPA = 4, 248 HTT_RX_MPDU_ENCRYPT_WAPI = 5, 249 HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2 = 6, 250 HTT_RX_MPDU_ENCRYPT_NONE = 7, 251 HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2 = 8, 252 HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2 = 9, 253 HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2 = 10, 254 }; 255 256 #define RX_MPDU_START_INFO0_PEER_IDX_MASK 0x000007ff 257 #define RX_MPDU_START_INFO0_PEER_IDX_LSB 0 258 #define RX_MPDU_START_INFO0_SEQ_NUM_MASK 0x0fff0000 259 #define RX_MPDU_START_INFO0_SEQ_NUM_LSB 16 260 #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_MASK 0xf0000000 261 #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_LSB 28 262 #define RX_MPDU_START_INFO0_FROM_DS BIT(11) 263 #define RX_MPDU_START_INFO0_TO_DS BIT(12) 264 #define RX_MPDU_START_INFO0_ENCRYPTED BIT(13) 265 #define RX_MPDU_START_INFO0_RETRY BIT(14) 266 #define RX_MPDU_START_INFO0_TXBF_H_INFO BIT(15) 267 268 #define RX_MPDU_START_INFO1_TID_MASK 0xf0000000 269 #define RX_MPDU_START_INFO1_TID_LSB 28 270 #define RX_MPDU_START_INFO1_DIRECTED BIT(16) 271 272 struct rx_mpdu_start { 273 __le32 info0; 274 union { 275 struct { 276 __le32 pn31_0; 277 __le32 info1; /* %RX_MPDU_START_INFO1_ */ 278 } __packed; 279 struct { 280 u8 pn[6]; 281 } __packed; 282 } __packed; 283 } __packed; 284 285 /* 286 * peer_idx 287 * The index of the address search table which associated with 288 * the peer table entry corresponding to this MPDU. Only valid 289 * when first_msdu is set. 290 * 291 * fr_ds 292 * Set if the from DS bit is set in the frame control. Only 293 * valid when first_msdu is set. 294 * 295 * to_ds 296 * Set if the to DS bit is set in the frame control. Only 297 * valid when first_msdu is set. 298 * 299 * encrypted 300 * Protected bit from the frame control. Only valid when 301 * first_msdu is set. 302 * 303 * retry 304 * Retry bit from the frame control. Only valid when 305 * first_msdu is set. 306 * 307 * txbf_h_info 308 * The MPDU data will contain H information. Primarily used 309 * for debug. 310 * 311 * seq_num 312 * The sequence number from the 802.11 header. Only valid when 313 * first_msdu is set. 314 * 315 * encrypt_type 316 * Indicates type of decrypt cipher used (as defined in the 317 * peer table) 318 * 0: WEP40 319 * 1: WEP104 320 * 2: TKIP without MIC 321 * 3: WEP128 322 * 4: TKIP (WPA) 323 * 5: WAPI 324 * 6: AES-CCM (WPA2) 325 * 7: No cipher 326 * Only valid when first_msdu_is set 327 * 328 * pn_31_0 329 * Bits [31:0] of the PN number extracted from the IV field 330 * WEP: IV = {key_id_octet, pn2, pn1, pn0}. Only pn[23:0] is 331 * valid. 332 * TKIP: IV = {pn5, pn4, pn3, pn2, key_id_octet, pn0, 333 * WEPSeed[1], pn1}. Only pn[47:0] is valid. 334 * AES-CCM: IV = {pn5, pn4, pn3, pn2, key_id_octet, 0x0, pn1, 335 * pn0}. Only pn[47:0] is valid. 336 * WAPI: IV = {key_id_octet, 0x0, pn15, pn14, pn13, pn12, pn11, 337 * pn10, pn9, pn8, pn7, pn6, pn5, pn4, pn3, pn2, pn1, pn0}. 338 * The ext_wapi_pn[127:48] in the rx_msdu_misc descriptor and 339 * pn[47:0] are valid. 340 * Only valid when first_msdu is set. 341 * 342 * pn_47_32 343 * Bits [47:32] of the PN number. See description for 344 * pn_31_0. The remaining PN fields are in the rx_msdu_end 345 * descriptor 346 * 347 * pn 348 * Use this field to access the pn without worrying about 349 * byte-order and bitmasking/bitshifting. 350 * 351 * directed 352 * See definition in RX attention descriptor 353 * 354 * reserved_2 355 * Reserved: HW should fill with zero. FW should ignore. 356 * 357 * tid 358 * The TID field in the QoS control field 359 */ 360 361 #define RX_MPDU_END_INFO0_RESERVED_0_MASK 0x00001fff 362 #define RX_MPDU_END_INFO0_RESERVED_0_LSB 0 363 #define RX_MPDU_END_INFO0_POST_DELIM_CNT_MASK 0x0fff0000 364 #define RX_MPDU_END_INFO0_POST_DELIM_CNT_LSB 16 365 #define RX_MPDU_END_INFO0_OVERFLOW_ERR BIT(13) 366 #define RX_MPDU_END_INFO0_LAST_MPDU BIT(14) 367 #define RX_MPDU_END_INFO0_POST_DELIM_ERR BIT(15) 368 #define RX_MPDU_END_INFO0_MPDU_LENGTH_ERR BIT(28) 369 #define RX_MPDU_END_INFO0_TKIP_MIC_ERR BIT(29) 370 #define RX_MPDU_END_INFO0_DECRYPT_ERR BIT(30) 371 #define RX_MPDU_END_INFO0_FCS_ERR BIT(31) 372 373 struct rx_mpdu_end { 374 __le32 info0; 375 } __packed; 376 377 /* 378 * reserved_0 379 * Reserved 380 * 381 * overflow_err 382 * PCU Receive FIFO does not have enough space to store the 383 * full receive packet. Enough space is reserved in the 384 * receive FIFO for the status is written. This MPDU remaining 385 * packets in the PPDU will be filtered and no Ack response 386 * will be transmitted. 387 * 388 * last_mpdu 389 * Indicates that this is the last MPDU of a PPDU. 390 * 391 * post_delim_err 392 * Indicates that a delimiter FCS error occurred after this 393 * MPDU before the next MPDU. Only valid when last_msdu is 394 * set. 395 * 396 * post_delim_cnt 397 * Count of the delimiters after this MPDU. This requires the 398 * last MPDU to be held until all the EOF descriptors have been 399 * received. This may be inefficient in the future when 400 * ML-MIMO is used. Only valid when last_mpdu is set. 401 * 402 * mpdu_length_err 403 * See definition in RX attention descriptor 404 * 405 * tkip_mic_err 406 * See definition in RX attention descriptor 407 * 408 * decrypt_err 409 * See definition in RX attention descriptor 410 * 411 * fcs_err 412 * See definition in RX attention descriptor 413 */ 414 415 #define RX_MSDU_START_INFO0_MSDU_LENGTH_MASK 0x00003fff 416 #define RX_MSDU_START_INFO0_MSDU_LENGTH_LSB 0 417 #define RX_MSDU_START_INFO0_IP_OFFSET_MASK 0x000fc000 418 #define RX_MSDU_START_INFO0_IP_OFFSET_LSB 14 419 #define RX_MSDU_START_INFO0_RING_MASK_MASK 0x00f00000 420 #define RX_MSDU_START_INFO0_RING_MASK_LSB 20 421 #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_MASK 0x7f000000 422 #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_LSB 24 423 424 #define RX_MSDU_START_INFO1_MSDU_NUMBER_MASK 0x000000ff 425 #define RX_MSDU_START_INFO1_MSDU_NUMBER_LSB 0 426 #define RX_MSDU_START_INFO1_DECAP_FORMAT_MASK 0x00000300 427 #define RX_MSDU_START_INFO1_DECAP_FORMAT_LSB 8 428 #define RX_MSDU_START_INFO1_SA_IDX_MASK 0x07ff0000 429 #define RX_MSDU_START_INFO1_SA_IDX_LSB 16 430 #define RX_MSDU_START_INFO1_IPV4_PROTO BIT(10) 431 #define RX_MSDU_START_INFO1_IPV6_PROTO BIT(11) 432 #define RX_MSDU_START_INFO1_TCP_PROTO BIT(12) 433 #define RX_MSDU_START_INFO1_UDP_PROTO BIT(13) 434 #define RX_MSDU_START_INFO1_IP_FRAG BIT(14) 435 #define RX_MSDU_START_INFO1_TCP_ONLY_ACK BIT(15) 436 437 #define RX_MSDU_START_INFO2_DA_IDX_MASK 0x000007ff 438 #define RX_MSDU_START_INFO2_DA_IDX_LSB 0 439 #define RX_MSDU_START_INFO2_IP_PROTO_FIELD_MASK 0x00ff0000 440 #define RX_MSDU_START_INFO2_IP_PROTO_FIELD_LSB 16 441 #define RX_MSDU_START_INFO2_DA_BCAST_MCAST BIT(11) 442 443 /* The decapped header (rx_hdr_status) contains the following: 444 * a) 802.11 header 445 * [padding to 4 bytes] 446 * b) HW crypto parameter 447 * - 0 bytes for no security 448 * - 4 bytes for WEP 449 * - 8 bytes for TKIP, AES 450 * [padding to 4 bytes] 451 * c) A-MSDU subframe header (14 bytes) if appliable 452 * d) LLC/SNAP (RFC1042, 8 bytes) 453 * 454 * In case of A-MSDU only first frame in sequence contains (a) and (b). 455 */ 456 enum rx_msdu_decap_format { 457 RX_MSDU_DECAP_RAW = 0, 458 459 /* Note: QoS frames are reported as non-QoS. The rx_hdr_status in 460 * htt_rx_desc contains the original decapped 802.11 header. 461 */ 462 RX_MSDU_DECAP_NATIVE_WIFI = 1, 463 464 /* Payload contains an ethernet header (struct ethhdr). */ 465 RX_MSDU_DECAP_ETHERNET2_DIX = 2, 466 467 /* Payload contains two 48-bit addresses and 2-byte length (14 bytes 468 * total), followed by an RFC1042 header (8 bytes). 469 */ 470 RX_MSDU_DECAP_8023_SNAP_LLC = 3 471 }; 472 473 struct rx_msdu_start_common { 474 __le32 info0; /* %RX_MSDU_START_INFO0_ */ 475 __le32 flow_id_crc; 476 __le32 info1; /* %RX_MSDU_START_INFO1_ */ 477 } __packed; 478 479 struct rx_msdu_start_qca99x0 { 480 __le32 info2; /* %RX_MSDU_START_INFO2_ */ 481 } __packed; 482 483 struct rx_msdu_start_wcn3990 { 484 __le32 info2; /* %RX_MSDU_START_INFO2_ */ 485 __le32 info3; /* %RX_MSDU_START_INFO3_ */ 486 } __packed; 487 488 struct rx_msdu_start { 489 struct rx_msdu_start_common common; 490 union { 491 struct rx_msdu_start_wcn3990 wcn3990; 492 } __packed; 493 } __packed; 494 495 struct rx_msdu_start_v1 { 496 struct rx_msdu_start_common common; 497 union { 498 struct rx_msdu_start_qca99x0 qca99x0; 499 } __packed; 500 } __packed; 501 502 /* 503 * msdu_length 504 * MSDU length in bytes after decapsulation. This field is 505 * still valid for MPDU frames without A-MSDU. It still 506 * represents MSDU length after decapsulation 507 * 508 * ip_offset 509 * Indicates the IP offset in bytes from the start of the 510 * packet after decapsulation. Only valid if ipv4_proto or 511 * ipv6_proto is set. 512 * 513 * ring_mask 514 * Indicates the destination RX rings for this MSDU. 515 * 516 * tcp_udp_offset 517 * Indicates the offset in bytes to the start of TCP or UDP 518 * header from the start of the IP header after decapsulation. 519 * Only valid if tcp_prot or udp_prot is set. The value 0 520 * indicates that the offset is longer than 127 bytes. 521 * 522 * reserved_0c 523 * Reserved: HW should fill with zero. FW should ignore. 524 * 525 * flow_id_crc 526 * The flow_id_crc runs CRC32 on the following information: 527 * IPv4 option: dest_addr[31:0], src_addr [31:0], {24'b0, 528 * protocol[7:0]}. 529 * IPv6 option: dest_addr[127:0], src_addr [127:0], {24'b0, 530 * next_header[7:0]} 531 * UDP case: sort_port[15:0], dest_port[15:0] 532 * TCP case: sort_port[15:0], dest_port[15:0], 533 * {header_length[3:0], 6'b0, flags[5:0], window_size[15:0]}, 534 * {16'b0, urgent_ptr[15:0]}, all options except 32-bit 535 * timestamp. 536 * 537 * msdu_number 538 * Indicates the MSDU number within a MPDU. This value is 539 * reset to zero at the start of each MPDU. If the number of 540 * MSDU exceeds 255 this number will wrap using modulo 256. 541 * 542 * decap_format 543 * Indicates the format after decapsulation: 544 * 0: RAW: No decapsulation 545 * 1: Native WiFi 546 * 2: Ethernet 2 (DIX) 547 * 3: 802.3 (SNAP/LLC) 548 * 549 * ipv4_proto 550 * Set if L2 layer indicates IPv4 protocol. 551 * 552 * ipv6_proto 553 * Set if L2 layer indicates IPv6 protocol. 554 * 555 * tcp_proto 556 * Set if the ipv4_proto or ipv6_proto are set and the IP 557 * protocol indicates TCP. 558 * 559 * udp_proto 560 * Set if the ipv4_proto or ipv6_proto are set and the IP 561 * protocol indicates UDP. 562 * 563 * ip_frag 564 * Indicates that either the IP More frag bit is set or IP frag 565 * number is non-zero. If set indicates that this is a 566 * fragmented IP packet. 567 * 568 * tcp_only_ack 569 * Set if only the TCP Ack bit is set in the TCP flags and if 570 * the TCP payload is 0. 571 * 572 * sa_idx 573 * The offset in the address table which matches the MAC source 574 * address. 575 * 576 * reserved_2b 577 * Reserved: HW should fill with zero. FW should ignore. 578 */ 579 580 #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_MASK 0x00003fff 581 #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_LSB 0 582 #define RX_MSDU_END_INFO0_FIRST_MSDU BIT(14) 583 #define RX_MSDU_END_INFO0_LAST_MSDU BIT(15) 584 #define RX_MSDU_END_INFO0_MSDU_LIMIT_ERR BIT(18) 585 #define RX_MSDU_END_INFO0_PRE_DELIM_ERR BIT(30) 586 #define RX_MSDU_END_INFO0_RESERVED_3B BIT(31) 587 588 struct rx_msdu_end_common { 589 __le16 ip_hdr_cksum; 590 __le16 tcp_hdr_cksum; 591 u8 key_id_octet; 592 u8 classification_filter; 593 u8 wapi_pn[10]; 594 __le32 info0; 595 } __packed; 596 597 #define RX_MSDU_END_INFO1_TCP_FLAG_MASK 0x000001ff 598 #define RX_MSDU_END_INFO1_TCP_FLAG_LSB 0 599 #define RX_MSDU_END_INFO1_L3_HDR_PAD_MASK 0x00001c00 600 #define RX_MSDU_END_INFO1_L3_HDR_PAD_LSB 10 601 #define RX_MSDU_END_INFO1_WINDOW_SIZE_MASK 0xffff0000 602 #define RX_MSDU_END_INFO1_WINDOW_SIZE_LSB 16 603 #define RX_MSDU_END_INFO1_IRO_ELIGIBLE BIT(9) 604 605 #define RX_MSDU_END_INFO2_DA_OFFSET_MASK 0x0000003f 606 #define RX_MSDU_END_INFO2_DA_OFFSET_LSB 0 607 #define RX_MSDU_END_INFO2_SA_OFFSET_MASK 0x00000fc0 608 #define RX_MSDU_END_INFO2_SA_OFFSET_LSB 6 609 #define RX_MSDU_END_INFO2_TYPE_OFFSET_MASK 0x0003f000 610 #define RX_MSDU_END_INFO2_TYPE_OFFSET_LSB 12 611 612 struct rx_msdu_end_qca99x0 { 613 __le32 ipv6_crc; 614 __le32 tcp_seq_no; 615 __le32 tcp_ack_no; 616 __le32 info1; 617 __le32 info2; 618 } __packed; 619 620 struct rx_msdu_end_wcn3990 { 621 __le32 ipv6_crc; 622 __le32 tcp_seq_no; 623 __le32 tcp_ack_no; 624 __le32 info1; 625 __le32 info2; 626 __le32 rule_indication_0; 627 __le32 rule_indication_1; 628 __le32 rule_indication_2; 629 __le32 rule_indication_3; 630 } __packed; 631 632 struct rx_msdu_end { 633 struct rx_msdu_end_common common; 634 union { 635 struct rx_msdu_end_wcn3990 wcn3990; 636 } __packed; 637 } __packed; 638 639 struct rx_msdu_end_v1 { 640 struct rx_msdu_end_common common; 641 union { 642 struct rx_msdu_end_qca99x0 qca99x0; 643 } __packed; 644 } __packed; 645 646 /* 647 *ip_hdr_chksum 648 * This can include the IP header checksum or the pseudo header 649 * checksum used by TCP/UDP checksum. 650 * 651 *tcp_udp_chksum 652 * The value of the computed TCP/UDP checksum. A mode bit 653 * selects whether this checksum is the full checksum or the 654 * partial checksum which does not include the pseudo header. 655 * 656 *key_id_octet 657 * The key ID octet from the IV. Only valid when first_msdu is 658 * set. 659 * 660 *classification_filter 661 * Indicates the number classification filter rule 662 * 663 *ext_wapi_pn_63_48 664 * Extension PN (packet number) which is only used by WAPI. 665 * This corresponds to WAPI PN bits [63:48] (pn6 and pn7). The 666 * WAPI PN bits [63:0] are in the pn field of the rx_mpdu_start 667 * descriptor. 668 * 669 *ext_wapi_pn_95_64 670 * Extension PN (packet number) which is only used by WAPI. 671 * This corresponds to WAPI PN bits [95:64] (pn8, pn9, pn10 and 672 * pn11). 673 * 674 *ext_wapi_pn_127_96 675 * Extension PN (packet number) which is only used by WAPI. 676 * This corresponds to WAPI PN bits [127:96] (pn12, pn13, pn14, 677 * pn15). 678 * 679 *reported_mpdu_length 680 * MPDU length before decapsulation. Only valid when 681 * first_msdu is set. This field is taken directly from the 682 * length field of the A-MPDU delimiter or the preamble length 683 * field for non-A-MPDU frames. 684 * 685 *first_msdu 686 * Indicates the first MSDU of A-MSDU. If both first_msdu and 687 * last_msdu are set in the MSDU then this is a non-aggregated 688 * MSDU frame: normal MPDU. Interior MSDU in an A-MSDU shall 689 * have both first_mpdu and last_mpdu bits set to 0. 690 * 691 *last_msdu 692 * Indicates the last MSDU of the A-MSDU. MPDU end status is 693 * only valid when last_msdu is set. 694 * 695 *msdu_limit_error 696 * Indicates that the MSDU threshold was exceeded and thus 697 * all the rest of the MSDUs will not be scattered and 698 * will not be decapsulated but will be received in RAW format 699 * as a single MSDU buffer. 700 * 701 *reserved_3a 702 * Reserved: HW should fill with zero. FW should ignore. 703 * 704 *pre_delim_err 705 * Indicates that the first delimiter had a FCS failure. Only 706 * valid when first_mpdu and first_msdu are set. 707 * 708 *reserved_3b 709 * Reserved: HW should fill with zero. FW should ignore. 710 */ 711 712 #define HTT_RX_PPDU_START_PREAMBLE_LEGACY 0x04 713 #define HTT_RX_PPDU_START_PREAMBLE_HT 0x08 714 #define HTT_RX_PPDU_START_PREAMBLE_HT_WITH_TXBF 0x09 715 #define HTT_RX_PPDU_START_PREAMBLE_VHT 0x0C 716 #define HTT_RX_PPDU_START_PREAMBLE_VHT_WITH_TXBF 0x0D 717 718 #define RX_PPDU_START_INFO0_IS_GREENFIELD BIT(0) 719 720 #define RX_PPDU_START_INFO1_L_SIG_RATE_MASK 0x0000000f 721 #define RX_PPDU_START_INFO1_L_SIG_RATE_LSB 0 722 #define RX_PPDU_START_INFO1_L_SIG_LENGTH_MASK 0x0001ffe0 723 #define RX_PPDU_START_INFO1_L_SIG_LENGTH_LSB 5 724 #define RX_PPDU_START_INFO1_L_SIG_TAIL_MASK 0x00fc0000 725 #define RX_PPDU_START_INFO1_L_SIG_TAIL_LSB 18 726 #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_MASK 0xff000000 727 #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_LSB 24 728 #define RX_PPDU_START_INFO1_L_SIG_RATE_SELECT BIT(4) 729 #define RX_PPDU_START_INFO1_L_SIG_PARITY BIT(17) 730 731 #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_MASK 0x00ffffff 732 #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_LSB 0 733 734 #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_MASK 0x00ffffff 735 #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_LSB 0 736 #define RX_PPDU_START_INFO3_TXBF_H_INFO BIT(24) 737 738 #define RX_PPDU_START_INFO4_VHT_SIG_B_MASK 0x1fffffff 739 #define RX_PPDU_START_INFO4_VHT_SIG_B_LSB 0 740 741 #define RX_PPDU_START_INFO5_SERVICE_MASK 0x0000ffff 742 #define RX_PPDU_START_INFO5_SERVICE_LSB 0 743 744 /* No idea what this flag means. It seems to be always set in rate. */ 745 #define RX_PPDU_START_RATE_FLAG BIT(3) 746 747 struct rx_ppdu_start { 748 struct { 749 u8 pri20_mhz; 750 u8 ext20_mhz; 751 u8 ext40_mhz; 752 u8 ext80_mhz; 753 } rssi_chains[4]; 754 u8 rssi_comb; 755 __le16 rsvd0; 756 u8 info0; /* %RX_PPDU_START_INFO0_ */ 757 __le32 info1; /* %RX_PPDU_START_INFO1_ */ 758 __le32 info2; /* %RX_PPDU_START_INFO2_ */ 759 __le32 info3; /* %RX_PPDU_START_INFO3_ */ 760 __le32 info4; /* %RX_PPDU_START_INFO4_ */ 761 __le32 info5; /* %RX_PPDU_START_INFO5_ */ 762 } __packed; 763 764 /* 765 * rssi_chain0_pri20 766 * RSSI of RX PPDU on chain 0 of primary 20 MHz bandwidth. 767 * Value of 0x80 indicates invalid. 768 * 769 * rssi_chain0_sec20 770 * RSSI of RX PPDU on chain 0 of secondary 20 MHz bandwidth. 771 * Value of 0x80 indicates invalid. 772 * 773 * rssi_chain0_sec40 774 * RSSI of RX PPDU on chain 0 of secondary 40 MHz bandwidth. 775 * Value of 0x80 indicates invalid. 776 * 777 * rssi_chain0_sec80 778 * RSSI of RX PPDU on chain 0 of secondary 80 MHz bandwidth. 779 * Value of 0x80 indicates invalid. 780 * 781 * rssi_chain1_pri20 782 * RSSI of RX PPDU on chain 1 of primary 20 MHz bandwidth. 783 * Value of 0x80 indicates invalid. 784 * 785 * rssi_chain1_sec20 786 * RSSI of RX PPDU on chain 1 of secondary 20 MHz bandwidth. 787 * Value of 0x80 indicates invalid. 788 * 789 * rssi_chain1_sec40 790 * RSSI of RX PPDU on chain 1 of secondary 40 MHz bandwidth. 791 * Value of 0x80 indicates invalid. 792 * 793 * rssi_chain1_sec80 794 * RSSI of RX PPDU on chain 1 of secondary 80 MHz bandwidth. 795 * Value of 0x80 indicates invalid. 796 * 797 * rssi_chain2_pri20 798 * RSSI of RX PPDU on chain 2 of primary 20 MHz bandwidth. 799 * Value of 0x80 indicates invalid. 800 * 801 * rssi_chain2_sec20 802 * RSSI of RX PPDU on chain 2 of secondary 20 MHz bandwidth. 803 * Value of 0x80 indicates invalid. 804 * 805 * rssi_chain2_sec40 806 * RSSI of RX PPDU on chain 2 of secondary 40 MHz bandwidth. 807 * Value of 0x80 indicates invalid. 808 * 809 * rssi_chain2_sec80 810 * RSSI of RX PPDU on chain 2 of secondary 80 MHz bandwidth. 811 * Value of 0x80 indicates invalid. 812 * 813 * rssi_chain3_pri20 814 * RSSI of RX PPDU on chain 3 of primary 20 MHz bandwidth. 815 * Value of 0x80 indicates invalid. 816 * 817 * rssi_chain3_sec20 818 * RSSI of RX PPDU on chain 3 of secondary 20 MHz bandwidth. 819 * Value of 0x80 indicates invalid. 820 * 821 * rssi_chain3_sec40 822 * RSSI of RX PPDU on chain 3 of secondary 40 MHz bandwidth. 823 * Value of 0x80 indicates invalid. 824 * 825 * rssi_chain3_sec80 826 * RSSI of RX PPDU on chain 3 of secondary 80 MHz bandwidth. 827 * Value of 0x80 indicates invalid. 828 * 829 * rssi_comb 830 * The combined RSSI of RX PPDU of all active chains and 831 * bandwidths. Value of 0x80 indicates invalid. 832 * 833 * reserved_4a 834 * Reserved: HW should fill with 0, FW should ignore. 835 * 836 * is_greenfield 837 * Do we really support this? 838 * 839 * reserved_4b 840 * Reserved: HW should fill with 0, FW should ignore. 841 * 842 * l_sig_rate 843 * If l_sig_rate_select is 0: 844 * 0x8: OFDM 48 Mbps 845 * 0x9: OFDM 24 Mbps 846 * 0xA: OFDM 12 Mbps 847 * 0xB: OFDM 6 Mbps 848 * 0xC: OFDM 54 Mbps 849 * 0xD: OFDM 36 Mbps 850 * 0xE: OFDM 18 Mbps 851 * 0xF: OFDM 9 Mbps 852 * If l_sig_rate_select is 1: 853 * 0x8: CCK 11 Mbps long preamble 854 * 0x9: CCK 5.5 Mbps long preamble 855 * 0xA: CCK 2 Mbps long preamble 856 * 0xB: CCK 1 Mbps long preamble 857 * 0xC: CCK 11 Mbps short preamble 858 * 0xD: CCK 5.5 Mbps short preamble 859 * 0xE: CCK 2 Mbps short preamble 860 * 861 * l_sig_rate_select 862 * Legacy signal rate select. If set then l_sig_rate indicates 863 * CCK rates. If clear then l_sig_rate indicates OFDM rates. 864 * 865 * l_sig_length 866 * Length of legacy frame in octets. 867 * 868 * l_sig_parity 869 * Odd parity over l_sig_rate and l_sig_length 870 * 871 * l_sig_tail 872 * Tail bits for Viterbi decoder 873 * 874 * preamble_type 875 * Indicates the type of preamble ahead: 876 * 0x4: Legacy (OFDM/CCK) 877 * 0x8: HT 878 * 0x9: HT with TxBF 879 * 0xC: VHT 880 * 0xD: VHT with TxBF 881 * 0x80 - 0xFF: Reserved for special baseband data types such 882 * as radar and spectral scan. 883 * 884 * ht_sig_vht_sig_a_1 885 * If preamble_type == 0x8 or 0x9 886 * HT-SIG (first 24 bits) 887 * If preamble_type == 0xC or 0xD 888 * VHT-SIG A (first 24 bits) 889 * Else 890 * Reserved 891 * 892 * reserved_6 893 * Reserved: HW should fill with 0, FW should ignore. 894 * 895 * ht_sig_vht_sig_a_2 896 * If preamble_type == 0x8 or 0x9 897 * HT-SIG (last 24 bits) 898 * If preamble_type == 0xC or 0xD 899 * VHT-SIG A (last 24 bits) 900 * Else 901 * Reserved 902 * 903 * txbf_h_info 904 * Indicates that the packet data carries H information which 905 * is used for TxBF debug. 906 * 907 * reserved_7 908 * Reserved: HW should fill with 0, FW should ignore. 909 * 910 * vht_sig_b 911 * WiFi 1.0 and WiFi 2.0 will likely have this field to be all 912 * 0s since the BB does not plan on decoding VHT SIG-B. 913 * 914 * reserved_8 915 * Reserved: HW should fill with 0, FW should ignore. 916 * 917 * service 918 * Service field from BB for OFDM, HT and VHT packets. CCK 919 * packets will have service field of 0. 920 * 921 * reserved_9 922 * Reserved: HW should fill with 0, FW should ignore. 923 */ 924 925 #define RX_PPDU_END_FLAGS_PHY_ERR BIT(0) 926 #define RX_PPDU_END_FLAGS_RX_LOCATION BIT(1) 927 #define RX_PPDU_END_FLAGS_TXBF_H_INFO BIT(2) 928 929 #define RX_PPDU_END_INFO0_RX_ANTENNA_MASK 0x00ffffff 930 #define RX_PPDU_END_INFO0_RX_ANTENNA_LSB 0 931 #define RX_PPDU_END_INFO0_FLAGS_TX_HT_VHT_ACK BIT(24) 932 #define RX_PPDU_END_INFO0_BB_CAPTURED_CHANNEL BIT(25) 933 934 #define RX_PPDU_END_INFO1_PEER_IDX_MASK 0x1ffc 935 #define RX_PPDU_END_INFO1_PEER_IDX_LSB 2 936 #define RX_PPDU_END_INFO1_BB_DATA BIT(0) 937 #define RX_PPDU_END_INFO1_PEER_IDX_VALID BIT(1) 938 #define RX_PPDU_END_INFO1_PPDU_DONE BIT(15) 939 940 struct rx_ppdu_end_common { 941 __le32 evm_p0; 942 __le32 evm_p1; 943 __le32 evm_p2; 944 __le32 evm_p3; 945 __le32 evm_p4; 946 __le32 evm_p5; 947 __le32 evm_p6; 948 __le32 evm_p7; 949 __le32 evm_p8; 950 __le32 evm_p9; 951 __le32 evm_p10; 952 __le32 evm_p11; 953 __le32 evm_p12; 954 __le32 evm_p13; 955 __le32 evm_p14; 956 __le32 evm_p15; 957 __le32 tsf_timestamp; 958 __le32 wb_timestamp; 959 } __packed; 960 961 struct rx_ppdu_end_qca988x { 962 u8 locationing_timestamp; 963 u8 phy_err_code; 964 __le16 flags; /* %RX_PPDU_END_FLAGS_ */ 965 __le32 info0; /* %RX_PPDU_END_INFO0_ */ 966 __le16 bb_length; 967 __le16 info1; /* %RX_PPDU_END_INFO1_ */ 968 } __packed; 969 970 #define RX_PPDU_END_RTT_CORRELATION_VALUE_MASK 0x00ffffff 971 #define RX_PPDU_END_RTT_CORRELATION_VALUE_LSB 0 972 #define RX_PPDU_END_RTT_UNUSED_MASK 0x7f000000 973 #define RX_PPDU_END_RTT_UNUSED_LSB 24 974 #define RX_PPDU_END_RTT_NORMAL_MODE BIT(31) 975 976 struct rx_ppdu_end_qca6174 { 977 u8 locationing_timestamp; 978 u8 phy_err_code; 979 __le16 flags; /* %RX_PPDU_END_FLAGS_ */ 980 __le32 info0; /* %RX_PPDU_END_INFO0_ */ 981 __le32 rtt; /* %RX_PPDU_END_RTT_ */ 982 __le16 bb_length; 983 __le16 info1; /* %RX_PPDU_END_INFO1_ */ 984 } __packed; 985 986 #define RX_PKT_END_INFO0_RX_SUCCESS BIT(0) 987 #define RX_PKT_END_INFO0_ERR_TX_INTERRUPT_RX BIT(3) 988 #define RX_PKT_END_INFO0_ERR_OFDM_POWER_DROP BIT(4) 989 #define RX_PKT_END_INFO0_ERR_OFDM_RESTART BIT(5) 990 #define RX_PKT_END_INFO0_ERR_CCK_POWER_DROP BIT(6) 991 #define RX_PKT_END_INFO0_ERR_CCK_RESTART BIT(7) 992 993 #define RX_LOCATION_INFO_RTT_CORR_VAL_MASK 0x0001ffff 994 #define RX_LOCATION_INFO_RTT_CORR_VAL_LSB 0 995 #define RX_LOCATION_INFO_FAC_STATUS_MASK 0x000c0000 996 #define RX_LOCATION_INFO_FAC_STATUS_LSB 18 997 #define RX_LOCATION_INFO_PKT_BW_MASK 0x00700000 998 #define RX_LOCATION_INFO_PKT_BW_LSB 20 999 #define RX_LOCATION_INFO_RTT_TX_FRAME_PHASE_MASK 0x01800000 1000 #define RX_LOCATION_INFO_RTT_TX_FRAME_PHASE_LSB 23 1001 #define RX_LOCATION_INFO_CIR_STATUS BIT(17) 1002 #define RX_LOCATION_INFO_RTT_MAC_PHY_PHASE BIT(25) 1003 #define RX_LOCATION_INFO_RTT_TX_DATA_START_X BIT(26) 1004 #define RX_LOCATION_INFO_HW_IFFT_MODE BIT(30) 1005 #define RX_LOCATION_INFO_RX_LOCATION_VALID BIT(31) 1006 1007 struct rx_pkt_end { 1008 __le32 info0; /* %RX_PKT_END_INFO0_ */ 1009 __le32 phy_timestamp_1; 1010 __le32 phy_timestamp_2; 1011 } __packed; 1012 1013 struct rx_pkt_end_wcn3990 { 1014 __le32 info0; /* %RX_PKT_END_INFO0_ */ 1015 __le64 phy_timestamp_1; 1016 __le64 phy_timestamp_2; 1017 } __packed; 1018 1019 #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_MASK 0x00003fff 1020 #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_LSB 0 1021 #define RX_LOCATION_INFO0_RTT_FAC_VHT_MASK 0x1fff8000 1022 #define RX_LOCATION_INFO0_RTT_FAC_VHT_LSB 15 1023 #define RX_LOCATION_INFO0_RTT_STRONGEST_CHAIN_MASK 0xc0000000 1024 #define RX_LOCATION_INFO0_RTT_STRONGEST_CHAIN_LSB 30 1025 #define RX_LOCATION_INFO0_RTT_FAC_LEGACY_STATUS BIT(14) 1026 #define RX_LOCATION_INFO0_RTT_FAC_VHT_STATUS BIT(29) 1027 1028 #define RX_LOCATION_INFO1_RTT_PREAMBLE_TYPE_MASK 0x0000000c 1029 #define RX_LOCATION_INFO1_RTT_PREAMBLE_TYPE_LSB 2 1030 #define RX_LOCATION_INFO1_PKT_BW_MASK 0x00000030 1031 #define RX_LOCATION_INFO1_PKT_BW_LSB 4 1032 #define RX_LOCATION_INFO1_SKIP_P_SKIP_BTCF_MASK 0x0000ff00 1033 #define RX_LOCATION_INFO1_SKIP_P_SKIP_BTCF_LSB 8 1034 #define RX_LOCATION_INFO1_RTT_MSC_RATE_MASK 0x000f0000 1035 #define RX_LOCATION_INFO1_RTT_MSC_RATE_LSB 16 1036 #define RX_LOCATION_INFO1_RTT_PBD_LEG_BW_MASK 0x00300000 1037 #define RX_LOCATION_INFO1_RTT_PBD_LEG_BW_LSB 20 1038 #define RX_LOCATION_INFO1_TIMING_BACKOFF_MASK 0x07c00000 1039 #define RX_LOCATION_INFO1_TIMING_BACKOFF_LSB 22 1040 #define RX_LOCATION_INFO1_RTT_TX_FRAME_PHASE_MASK 0x18000000 1041 #define RX_LOCATION_INFO1_RTT_TX_FRAME_PHASE_LSB 27 1042 #define RX_LOCATION_INFO1_RTT_CFR_STATUS BIT(0) 1043 #define RX_LOCATION_INFO1_RTT_CIR_STATUS BIT(1) 1044 #define RX_LOCATION_INFO1_RTT_GI_TYPE BIT(7) 1045 #define RX_LOCATION_INFO1_RTT_MAC_PHY_PHASE BIT(29) 1046 #define RX_LOCATION_INFO1_RTT_TX_DATA_START_X_PHASE BIT(30) 1047 #define RX_LOCATION_INFO1_RX_LOCATION_VALID BIT(31) 1048 1049 struct rx_location_info { 1050 __le32 rx_location_info0; /* %RX_LOCATION_INFO0_ */ 1051 __le32 rx_location_info1; /* %RX_LOCATION_INFO1_ */ 1052 } __packed; 1053 1054 struct rx_location_info_wcn3990 { 1055 __le32 rx_location_info0; /* %RX_LOCATION_INFO0_ */ 1056 __le32 rx_location_info1; /* %RX_LOCATION_INFO1_ */ 1057 __le32 rx_location_info2; /* %RX_LOCATION_INFO2_ */ 1058 } __packed; 1059 1060 enum rx_phy_ppdu_end_info0 { 1061 RX_PHY_PPDU_END_INFO0_ERR_RADAR = BIT(2), 1062 RX_PHY_PPDU_END_INFO0_ERR_RX_ABORT = BIT(3), 1063 RX_PHY_PPDU_END_INFO0_ERR_RX_NAP = BIT(4), 1064 RX_PHY_PPDU_END_INFO0_ERR_OFDM_TIMING = BIT(5), 1065 RX_PHY_PPDU_END_INFO0_ERR_OFDM_PARITY = BIT(6), 1066 RX_PHY_PPDU_END_INFO0_ERR_OFDM_RATE = BIT(7), 1067 RX_PHY_PPDU_END_INFO0_ERR_OFDM_LENGTH = BIT(8), 1068 RX_PHY_PPDU_END_INFO0_ERR_OFDM_RESTART = BIT(9), 1069 RX_PHY_PPDU_END_INFO0_ERR_OFDM_SERVICE = BIT(10), 1070 RX_PHY_PPDU_END_INFO0_ERR_OFDM_POWER_DROP = BIT(11), 1071 RX_PHY_PPDU_END_INFO0_ERR_CCK_BLOCKER = BIT(12), 1072 RX_PHY_PPDU_END_INFO0_ERR_CCK_TIMING = BIT(13), 1073 RX_PHY_PPDU_END_INFO0_ERR_CCK_HEADER_CRC = BIT(14), 1074 RX_PHY_PPDU_END_INFO0_ERR_CCK_RATE = BIT(15), 1075 RX_PHY_PPDU_END_INFO0_ERR_CCK_LENGTH = BIT(16), 1076 RX_PHY_PPDU_END_INFO0_ERR_CCK_RESTART = BIT(17), 1077 RX_PHY_PPDU_END_INFO0_ERR_CCK_SERVICE = BIT(18), 1078 RX_PHY_PPDU_END_INFO0_ERR_CCK_POWER_DROP = BIT(19), 1079 RX_PHY_PPDU_END_INFO0_ERR_HT_CRC = BIT(20), 1080 RX_PHY_PPDU_END_INFO0_ERR_HT_LENGTH = BIT(21), 1081 RX_PHY_PPDU_END_INFO0_ERR_HT_RATE = BIT(22), 1082 RX_PHY_PPDU_END_INFO0_ERR_HT_ZLF = BIT(23), 1083 RX_PHY_PPDU_END_INFO0_ERR_FALSE_RADAR_EXT = BIT(24), 1084 RX_PHY_PPDU_END_INFO0_ERR_GREEN_FIELD = BIT(25), 1085 RX_PHY_PPDU_END_INFO0_ERR_SPECTRAL_SCAN = BIT(26), 1086 RX_PHY_PPDU_END_INFO0_ERR_RX_DYN_BW = BIT(27), 1087 RX_PHY_PPDU_END_INFO0_ERR_LEG_HT_MISMATCH = BIT(28), 1088 RX_PHY_PPDU_END_INFO0_ERR_VHT_CRC = BIT(29), 1089 RX_PHY_PPDU_END_INFO0_ERR_VHT_SIGA = BIT(30), 1090 RX_PHY_PPDU_END_INFO0_ERR_VHT_LSIG = BIT(31), 1091 }; 1092 1093 enum rx_phy_ppdu_end_info1 { 1094 RX_PHY_PPDU_END_INFO1_ERR_VHT_NDP = BIT(0), 1095 RX_PHY_PPDU_END_INFO1_ERR_VHT_NSYM = BIT(1), 1096 RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_EXT_SYM = BIT(2), 1097 RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID0 = BIT(3), 1098 RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID1_62 = BIT(4), 1099 RX_PHY_PPDU_END_INFO1_ERR_VHT_RX_SKIP_ID63 = BIT(5), 1100 RX_PHY_PPDU_END_INFO1_ERR_OFDM_LDPC_DECODER = BIT(6), 1101 RX_PHY_PPDU_END_INFO1_ERR_DEFER_NAP = BIT(7), 1102 RX_PHY_PPDU_END_INFO1_ERR_FDOMAIN_TIMEOUT = BIT(8), 1103 RX_PHY_PPDU_END_INFO1_ERR_LSIG_REL_CHECK = BIT(9), 1104 RX_PHY_PPDU_END_INFO1_ERR_BT_COLLISION = BIT(10), 1105 RX_PHY_PPDU_END_INFO1_ERR_MU_FEEDBACK = BIT(11), 1106 RX_PHY_PPDU_END_INFO1_ERR_TX_INTERRUPT_RX = BIT(12), 1107 RX_PHY_PPDU_END_INFO1_ERR_RX_CBF = BIT(13), 1108 }; 1109 1110 struct rx_phy_ppdu_end { 1111 __le32 info0; /* %RX_PHY_PPDU_END_INFO0_ */ 1112 __le32 info1; /* %RX_PHY_PPDU_END_INFO1_ */ 1113 } __packed; 1114 1115 #define RX_PPDU_END_RX_TIMING_OFFSET_MASK 0x00000fff 1116 #define RX_PPDU_END_RX_TIMING_OFFSET_LSB 0 1117 1118 #define RX_PPDU_END_RX_INFO_RX_ANTENNA_MASK 0x00ffffff 1119 #define RX_PPDU_END_RX_INFO_RX_ANTENNA_LSB 0 1120 #define RX_PPDU_END_RX_INFO_TX_HT_VHT_ACK BIT(24) 1121 #define RX_PPDU_END_RX_INFO_RX_PKT_END_VALID BIT(25) 1122 #define RX_PPDU_END_RX_INFO_RX_PHY_PPDU_END_VALID BIT(26) 1123 #define RX_PPDU_END_RX_INFO_RX_TIMING_OFFSET_VALID BIT(27) 1124 #define RX_PPDU_END_RX_INFO_BB_CAPTURED_CHANNEL BIT(28) 1125 #define RX_PPDU_END_RX_INFO_UNSUPPORTED_MU_NC BIT(29) 1126 #define RX_PPDU_END_RX_INFO_OTP_TXBF_DISABLE BIT(30) 1127 1128 struct rx_ppdu_end_qca99x0 { 1129 struct rx_pkt_end rx_pkt_end; 1130 __le32 rx_location_info; /* %RX_LOCATION_INFO_ */ 1131 struct rx_phy_ppdu_end rx_phy_ppdu_end; 1132 __le32 rx_timing_offset; /* %RX_PPDU_END_RX_TIMING_OFFSET_ */ 1133 __le32 rx_info; /* %RX_PPDU_END_RX_INFO_ */ 1134 __le16 bb_length; 1135 __le16 info1; /* %RX_PPDU_END_INFO1_ */ 1136 } __packed; 1137 1138 struct rx_ppdu_end_qca9984 { 1139 struct rx_pkt_end rx_pkt_end; 1140 struct rx_location_info rx_location_info; 1141 struct rx_phy_ppdu_end rx_phy_ppdu_end; 1142 __le32 rx_timing_offset; /* %RX_PPDU_END_RX_TIMING_OFFSET_ */ 1143 __le32 rx_info; /* %RX_PPDU_END_RX_INFO_ */ 1144 __le16 bb_length; 1145 __le16 info1; /* %RX_PPDU_END_INFO1_ */ 1146 } __packed; 1147 1148 struct rx_ppdu_end_wcn3990 { 1149 struct rx_pkt_end_wcn3990 rx_pkt_end; 1150 struct rx_location_info_wcn3990 rx_location_info; 1151 struct rx_phy_ppdu_end rx_phy_ppdu_end; 1152 __le32 rx_timing_offset; 1153 __le32 reserved_info_0; 1154 __le32 reserved_info_1; 1155 __le32 rx_antenna_info; 1156 __le32 rx_coex_info; 1157 __le32 rx_mpdu_cnt_info; 1158 __le64 phy_timestamp_tx; 1159 __le32 rx_bb_length; 1160 } __packed; 1161 1162 struct rx_ppdu_end { 1163 struct rx_ppdu_end_common common; 1164 union { 1165 struct rx_ppdu_end_wcn3990 wcn3990; 1166 } __packed; 1167 } __packed; 1168 1169 struct rx_ppdu_end_v1 { 1170 struct rx_ppdu_end_common common; 1171 union { 1172 struct rx_ppdu_end_qca988x qca988x; 1173 struct rx_ppdu_end_qca6174 qca6174; 1174 struct rx_ppdu_end_qca99x0 qca99x0; 1175 struct rx_ppdu_end_qca9984 qca9984; 1176 } __packed; 1177 } __packed; 1178 1179 /* 1180 * evm_p0 1181 * EVM for pilot 0. Contain EVM for streams: 0, 1, 2 and 3. 1182 * 1183 * evm_p1 1184 * EVM for pilot 1. Contain EVM for streams: 0, 1, 2 and 3. 1185 * 1186 * evm_p2 1187 * EVM for pilot 2. Contain EVM for streams: 0, 1, 2 and 3. 1188 * 1189 * evm_p3 1190 * EVM for pilot 3. Contain EVM for streams: 0, 1, 2 and 3. 1191 * 1192 * evm_p4 1193 * EVM for pilot 4. Contain EVM for streams: 0, 1, 2 and 3. 1194 * 1195 * evm_p5 1196 * EVM for pilot 5. Contain EVM for streams: 0, 1, 2 and 3. 1197 * 1198 * evm_p6 1199 * EVM for pilot 6. Contain EVM for streams: 0, 1, 2 and 3. 1200 * 1201 * evm_p7 1202 * EVM for pilot 7. Contain EVM for streams: 0, 1, 2 and 3. 1203 * 1204 * evm_p8 1205 * EVM for pilot 8. Contain EVM for streams: 0, 1, 2 and 3. 1206 * 1207 * evm_p9 1208 * EVM for pilot 9. Contain EVM for streams: 0, 1, 2 and 3. 1209 * 1210 * evm_p10 1211 * EVM for pilot 10. Contain EVM for streams: 0, 1, 2 and 3. 1212 * 1213 * evm_p11 1214 * EVM for pilot 11. Contain EVM for streams: 0, 1, 2 and 3. 1215 * 1216 * evm_p12 1217 * EVM for pilot 12. Contain EVM for streams: 0, 1, 2 and 3. 1218 * 1219 * evm_p13 1220 * EVM for pilot 13. Contain EVM for streams: 0, 1, 2 and 3. 1221 * 1222 * evm_p14 1223 * EVM for pilot 14. Contain EVM for streams: 0, 1, 2 and 3. 1224 * 1225 * evm_p15 1226 * EVM for pilot 15. Contain EVM for streams: 0, 1, 2 and 3. 1227 * 1228 * tsf_timestamp 1229 * Receive TSF timestamp sampled on the rising edge of 1230 * rx_clear. For PHY errors this may be the current TSF when 1231 * phy_error is asserted if the rx_clear does not assert before 1232 * the end of the PHY error. 1233 * 1234 * wb_timestamp 1235 * WLAN/BT timestamp is a 1 usec resolution timestamp which 1236 * does not get updated based on receive beacon like TSF. The 1237 * same rules for capturing tsf_timestamp are used to capture 1238 * the wb_timestamp. 1239 * 1240 * locationing_timestamp 1241 * Timestamp used for locationing. This timestamp is used to 1242 * indicate fractions of usec. For example if the MAC clock is 1243 * running at 80 MHz, the timestamp will increment every 12.5 1244 * nsec. The value starts at 0 and increments to 79 and 1245 * returns to 0 and repeats. This information is valid for 1246 * every PPDU. This information can be used in conjunction 1247 * with wb_timestamp to capture large delta times. 1248 * 1249 * phy_err_code 1250 * See the 1.10.8.1.2 for the list of the PHY error codes. 1251 * 1252 * phy_err 1253 * Indicates a PHY error was detected for this PPDU. 1254 * 1255 * rx_location 1256 * Indicates that location information was requested. 1257 * 1258 * txbf_h_info 1259 * Indicates that the packet data carries H information which 1260 * is used for TxBF debug. 1261 * 1262 * reserved_18 1263 * Reserved: HW should fill with 0, FW should ignore. 1264 * 1265 * rx_antenna 1266 * Receive antenna value 1267 * 1268 * tx_ht_vht_ack 1269 * Indicates that a HT or VHT Ack/BA frame was transmitted in 1270 * response to this receive packet. 1271 * 1272 * bb_captured_channel 1273 * Indicates that the BB has captured a channel dump. FW can 1274 * then read the channel dump memory. This may indicate that 1275 * the channel was captured either based on PCU setting the 1276 * capture_channel bit BB descriptor or FW setting the 1277 * capture_channel mode bit. 1278 * 1279 * reserved_19 1280 * Reserved: HW should fill with 0, FW should ignore. 1281 * 1282 * bb_length 1283 * Indicates the number of bytes of baseband information for 1284 * PPDUs where the BB descriptor preamble type is 0x80 to 0xFF 1285 * which indicates that this is not a normal PPDU but rather 1286 * contains baseband debug information. 1287 * 1288 * reserved_20 1289 * Reserved: HW should fill with 0, FW should ignore. 1290 * 1291 * ppdu_done 1292 * PPDU end status is only valid when ppdu_done bit is set. 1293 * Every time HW sets this bit in memory FW/SW must clear this 1294 * bit in memory. FW will initialize all the ppdu_done dword 1295 * to 0. 1296 */ 1297 1298 #define FW_RX_DESC_INFO0_DISCARD BIT(0) 1299 #define FW_RX_DESC_INFO0_FORWARD BIT(1) 1300 #define FW_RX_DESC_INFO0_INSPECT BIT(5) 1301 #define FW_RX_DESC_INFO0_EXT_MASK 0xC0 1302 #define FW_RX_DESC_INFO0_EXT_LSB 6 1303 1304 struct fw_rx_desc_base { 1305 u8 info0; 1306 } __packed; 1307 1308 #define FW_RX_DESC_FLAGS_FIRST_MSDU (1 << 0) 1309 #define FW_RX_DESC_FLAGS_LAST_MSDU (1 << 1) 1310 #define FW_RX_DESC_C3_FAILED (1 << 2) 1311 #define FW_RX_DESC_C4_FAILED (1 << 3) 1312 #define FW_RX_DESC_IPV6 (1 << 4) 1313 #define FW_RX_DESC_TCP (1 << 5) 1314 #define FW_RX_DESC_UDP (1 << 6) 1315 1316 struct fw_rx_desc_hl { 1317 union { 1318 struct { 1319 u8 discard:1, 1320 forward:1, 1321 any_err:1, 1322 dup_err:1, 1323 reserved:1, 1324 inspect:1, 1325 extension:2; 1326 } bits; 1327 u8 info0; 1328 } u; 1329 1330 u8 version; 1331 u8 len; 1332 u8 flags; 1333 } __packed; 1334 1335 #endif /* _RX_DESC_H_ */ 1336