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