1 /* SPDX-License-Identifier: ISC */ 2 /* 3 * Copyright (c) 2005-2011 Atheros Communications Inc. 4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. 5 * Copyright (c) 2018, The Linux Foundation. All rights reserved. 6 */ 7 8 #ifndef _HTT_H_ 9 #define _HTT_H_ 10 11 #include <linux/bug.h> 12 #include <linux/interrupt.h> 13 #include <linux/dmapool.h> 14 #include <linux/hashtable.h> 15 #include <linux/kfifo.h> 16 #include <net/mac80211.h> 17 #if defined(__FreeBSD__) 18 #include <linux/wait.h> 19 #endif 20 21 #include "htc.h" 22 #include "hw.h" 23 #include "rx_desc.h" 24 25 enum htt_dbg_stats_type { 26 HTT_DBG_STATS_WAL_PDEV_TXRX = 1 << 0, 27 HTT_DBG_STATS_RX_REORDER = 1 << 1, 28 HTT_DBG_STATS_RX_RATE_INFO = 1 << 2, 29 HTT_DBG_STATS_TX_PPDU_LOG = 1 << 3, 30 HTT_DBG_STATS_TX_RATE_INFO = 1 << 4, 31 /* bits 5-23 currently reserved */ 32 33 HTT_DBG_NUM_STATS /* keep this last */ 34 }; 35 36 enum htt_h2t_msg_type { /* host-to-target */ 37 HTT_H2T_MSG_TYPE_VERSION_REQ = 0, 38 HTT_H2T_MSG_TYPE_TX_FRM = 1, 39 HTT_H2T_MSG_TYPE_RX_RING_CFG = 2, 40 HTT_H2T_MSG_TYPE_STATS_REQ = 3, 41 HTT_H2T_MSG_TYPE_SYNC = 4, 42 HTT_H2T_MSG_TYPE_AGGR_CFG = 5, 43 HTT_H2T_MSG_TYPE_FRAG_DESC_BANK_CFG = 6, 44 45 /* This command is used for sending management frames in HTT < 3.0. 46 * HTT >= 3.0 uses TX_FRM for everything. 47 */ 48 HTT_H2T_MSG_TYPE_MGMT_TX = 7, 49 HTT_H2T_MSG_TYPE_TX_FETCH_RESP = 11, 50 51 HTT_H2T_NUM_MSGS /* keep this last */ 52 }; 53 54 struct htt_cmd_hdr { 55 u8 msg_type; 56 } __packed; 57 58 struct htt_ver_req { 59 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)]; 60 } __packed; 61 62 /* 63 * HTT tx MSDU descriptor 64 * 65 * The HTT tx MSDU descriptor is created by the host HTT SW for each 66 * tx MSDU. The HTT tx MSDU descriptor contains the information that 67 * the target firmware needs for the FW's tx processing, particularly 68 * for creating the HW msdu descriptor. 69 * The same HTT tx descriptor is used for HL and LL systems, though 70 * a few fields within the tx descriptor are used only by LL or 71 * only by HL. 72 * The HTT tx descriptor is defined in two manners: by a struct with 73 * bitfields, and by a series of [dword offset, bit mask, bit shift] 74 * definitions. 75 * The target should use the struct def, for simplicitly and clarity, 76 * but the host shall use the bit-mast + bit-shift defs, to be endian- 77 * neutral. Specifically, the host shall use the get/set macros built 78 * around the mask + shift defs. 79 */ 80 struct htt_data_tx_desc_frag { 81 union { 82 struct double_word_addr { 83 __le32 paddr; 84 __le32 len; 85 } __packed dword_addr; 86 struct triple_word_addr { 87 __le32 paddr_lo; 88 __le16 paddr_hi; 89 __le16 len_16; 90 } __packed tword_addr; 91 } __packed; 92 } __packed; 93 94 struct htt_msdu_ext_desc { 95 __le32 tso_flag[3]; 96 __le16 ip_identification; 97 u8 flags; 98 u8 reserved; 99 struct htt_data_tx_desc_frag frags[6]; 100 }; 101 102 struct htt_msdu_ext_desc_64 { 103 __le32 tso_flag[5]; 104 __le16 ip_identification; 105 u8 flags; 106 u8 reserved; 107 struct htt_data_tx_desc_frag frags[6]; 108 }; 109 110 #define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE BIT(0) 111 #define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE BIT(1) 112 #define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE BIT(2) 113 #define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE BIT(3) 114 #define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE BIT(4) 115 116 #define HTT_MSDU_CHECKSUM_ENABLE (HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE \ 117 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE \ 118 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE \ 119 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE \ 120 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE) 121 122 #define HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE_64 BIT(16) 123 #define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE_64 BIT(17) 124 #define HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE_64 BIT(18) 125 #define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE_64 BIT(19) 126 #define HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE_64 BIT(20) 127 #define HTT_MSDU_EXT_DESC_FLAG_PARTIAL_CSUM_ENABLE_64 BIT(21) 128 129 #define HTT_MSDU_CHECKSUM_ENABLE_64 (HTT_MSDU_EXT_DESC_FLAG_IPV4_CSUM_ENABLE_64 \ 130 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV4_CSUM_ENABLE_64 \ 131 | HTT_MSDU_EXT_DESC_FLAG_UDP_IPV6_CSUM_ENABLE_64 \ 132 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV4_CSUM_ENABLE_64 \ 133 | HTT_MSDU_EXT_DESC_FLAG_TCP_IPV6_CSUM_ENABLE_64) 134 135 enum htt_data_tx_desc_flags0 { 136 HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT = 1 << 0, 137 HTT_DATA_TX_DESC_FLAGS0_NO_AGGR = 1 << 1, 138 HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT = 1 << 2, 139 HTT_DATA_TX_DESC_FLAGS0_NO_CLASSIFY = 1 << 3, 140 HTT_DATA_TX_DESC_FLAGS0_RSVD0 = 1 << 4 141 #define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_MASK 0xE0 142 #define HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE_LSB 5 143 }; 144 145 enum htt_data_tx_desc_flags1 { 146 #define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_BITS 6 147 #define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_MASK 0x003F 148 #define HTT_DATA_TX_DESC_FLAGS1_VDEV_ID_LSB 0 149 #define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_BITS 5 150 #define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_MASK 0x07C0 151 #define HTT_DATA_TX_DESC_FLAGS1_EXT_TID_LSB 6 152 HTT_DATA_TX_DESC_FLAGS1_POSTPONED = 1 << 11, 153 HTT_DATA_TX_DESC_FLAGS1_MORE_IN_BATCH = 1 << 12, 154 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD = 1 << 13, 155 HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD = 1 << 14, 156 HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE = 1 << 15 157 }; 158 159 #define HTT_TX_CREDIT_DELTA_ABS_M 0xffff0000 160 #define HTT_TX_CREDIT_DELTA_ABS_S 16 161 #define HTT_TX_CREDIT_DELTA_ABS_GET(word) \ 162 (((word) & HTT_TX_CREDIT_DELTA_ABS_M) >> HTT_TX_CREDIT_DELTA_ABS_S) 163 164 #define HTT_TX_CREDIT_SIGN_BIT_M 0x00000100 165 #define HTT_TX_CREDIT_SIGN_BIT_S 8 166 #define HTT_TX_CREDIT_SIGN_BIT_GET(word) \ 167 (((word) & HTT_TX_CREDIT_SIGN_BIT_M) >> HTT_TX_CREDIT_SIGN_BIT_S) 168 169 enum htt_data_tx_ext_tid { 170 HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST = 16, 171 HTT_DATA_TX_EXT_TID_MGMT = 17, 172 HTT_DATA_TX_EXT_TID_INVALID = 31 173 }; 174 175 #define HTT_INVALID_PEERID 0xFFFF 176 177 /* 178 * htt_data_tx_desc - used for data tx path 179 * 180 * Note: vdev_id irrelevant for pkt_type == raw and no_classify == 1. 181 * ext_tid: for qos-data frames (0-15), see %HTT_DATA_TX_EXT_TID_ 182 * for special kinds of tids 183 * postponed: only for HL hosts. indicates if this is a resend 184 * (HL hosts manage queues on the host ) 185 * more_in_batch: only for HL hosts. indicates if more packets are 186 * pending. this allows target to wait and aggregate 187 * freq: 0 means home channel of given vdev. intended for offchannel 188 */ 189 struct htt_data_tx_desc { 190 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */ 191 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */ 192 __le16 len; 193 __le16 id; 194 __le32 frags_paddr; 195 union { 196 __le32 peerid; 197 struct { 198 __le16 peerid; 199 __le16 freq; 200 } __packed offchan_tx; 201 } __packed; 202 u8 prefetch[0]; /* start of frame, for FW classification engine */ 203 } __packed; 204 205 struct htt_data_tx_desc_64 { 206 u8 flags0; /* %HTT_DATA_TX_DESC_FLAGS0_ */ 207 __le16 flags1; /* %HTT_DATA_TX_DESC_FLAGS1_ */ 208 __le16 len; 209 __le16 id; 210 __le64 frags_paddr; 211 union { 212 __le32 peerid; 213 struct { 214 __le16 peerid; 215 __le16 freq; 216 } __packed offchan_tx; 217 } __packed; 218 u8 prefetch[0]; /* start of frame, for FW classification engine */ 219 } __packed; 220 221 enum htt_rx_ring_flags { 222 HTT_RX_RING_FLAGS_MAC80211_HDR = 1 << 0, 223 HTT_RX_RING_FLAGS_MSDU_PAYLOAD = 1 << 1, 224 HTT_RX_RING_FLAGS_PPDU_START = 1 << 2, 225 HTT_RX_RING_FLAGS_PPDU_END = 1 << 3, 226 HTT_RX_RING_FLAGS_MPDU_START = 1 << 4, 227 HTT_RX_RING_FLAGS_MPDU_END = 1 << 5, 228 HTT_RX_RING_FLAGS_MSDU_START = 1 << 6, 229 HTT_RX_RING_FLAGS_MSDU_END = 1 << 7, 230 HTT_RX_RING_FLAGS_RX_ATTENTION = 1 << 8, 231 HTT_RX_RING_FLAGS_FRAG_INFO = 1 << 9, 232 HTT_RX_RING_FLAGS_UNICAST_RX = 1 << 10, 233 HTT_RX_RING_FLAGS_MULTICAST_RX = 1 << 11, 234 HTT_RX_RING_FLAGS_CTRL_RX = 1 << 12, 235 HTT_RX_RING_FLAGS_MGMT_RX = 1 << 13, 236 HTT_RX_RING_FLAGS_NULL_RX = 1 << 14, 237 HTT_RX_RING_FLAGS_PHY_DATA_RX = 1 << 15 238 }; 239 240 #define HTT_RX_RING_SIZE_MIN 128 241 #define HTT_RX_RING_SIZE_MAX 2048 242 #define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX 243 #define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1) 244 #define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1) 245 246 struct htt_rx_ring_rx_desc_offsets { 247 /* the following offsets are in 4-byte units */ 248 __le16 mac80211_hdr_offset; 249 __le16 msdu_payload_offset; 250 __le16 ppdu_start_offset; 251 __le16 ppdu_end_offset; 252 __le16 mpdu_start_offset; 253 __le16 mpdu_end_offset; 254 __le16 msdu_start_offset; 255 __le16 msdu_end_offset; 256 __le16 rx_attention_offset; 257 __le16 frag_info_offset; 258 } __packed; 259 260 struct htt_rx_ring_setup_ring32 { 261 __le32 fw_idx_shadow_reg_paddr; 262 __le32 rx_ring_base_paddr; 263 __le16 rx_ring_len; /* in 4-byte words */ 264 __le16 rx_ring_bufsize; /* rx skb size - in bytes */ 265 __le16 flags; /* %HTT_RX_RING_FLAGS_ */ 266 __le16 fw_idx_init_val; 267 268 struct htt_rx_ring_rx_desc_offsets offsets; 269 } __packed; 270 271 struct htt_rx_ring_setup_ring64 { 272 __le64 fw_idx_shadow_reg_paddr; 273 __le64 rx_ring_base_paddr; 274 __le16 rx_ring_len; /* in 4-byte words */ 275 __le16 rx_ring_bufsize; /* rx skb size - in bytes */ 276 __le16 flags; /* %HTT_RX_RING_FLAGS_ */ 277 __le16 fw_idx_init_val; 278 279 struct htt_rx_ring_rx_desc_offsets offsets; 280 } __packed; 281 282 struct htt_rx_ring_setup_hdr { 283 u8 num_rings; /* supported values: 1, 2 */ 284 __le16 rsvd0; 285 } __packed; 286 287 struct htt_rx_ring_setup_32 { 288 struct htt_rx_ring_setup_hdr hdr; 289 struct htt_rx_ring_setup_ring32 rings[]; 290 } __packed; 291 292 struct htt_rx_ring_setup_64 { 293 struct htt_rx_ring_setup_hdr hdr; 294 struct htt_rx_ring_setup_ring64 rings[]; 295 } __packed; 296 297 /* 298 * htt_stats_req - request target to send specified statistics 299 * 300 * @msg_type: hardcoded %HTT_H2T_MSG_TYPE_STATS_REQ 301 * @upload_types: see %htt_dbg_stats_type. this is 24bit field actually 302 * so make sure its little-endian. 303 * @reset_types: see %htt_dbg_stats_type. this is 24bit field actually 304 * so make sure its little-endian. 305 * @cfg_val: stat_type specific configuration 306 * @stat_type: see %htt_dbg_stats_type 307 * @cookie_lsb: used for confirmation message from target->host 308 * @cookie_msb: ditto as %cookie 309 */ 310 struct htt_stats_req { 311 u8 upload_types[3]; 312 u8 rsvd0; 313 u8 reset_types[3]; 314 struct { 315 u8 mpdu_bytes; 316 u8 mpdu_num_msdus; 317 u8 msdu_bytes; 318 } __packed; 319 u8 stat_type; 320 __le32 cookie_lsb; 321 __le32 cookie_msb; 322 } __packed; 323 324 #define HTT_STATS_REQ_CFG_STAT_TYPE_INVALID 0xff 325 #define HTT_STATS_BIT_MASK GENMASK(16, 0) 326 327 /* 328 * htt_oob_sync_req - request out-of-band sync 329 * 330 * The HTT SYNC tells the target to suspend processing of subsequent 331 * HTT host-to-target messages until some other target agent locally 332 * informs the target HTT FW that the current sync counter is equal to 333 * or greater than (in a modulo sense) the sync counter specified in 334 * the SYNC message. 335 * 336 * This allows other host-target components to synchronize their operation 337 * with HTT, e.g. to ensure that tx frames don't get transmitted until a 338 * security key has been downloaded to and activated by the target. 339 * In the absence of any explicit synchronization counter value 340 * specification, the target HTT FW will use zero as the default current 341 * sync value. 342 * 343 * The HTT target FW will suspend its host->target message processing as long 344 * as 0 < (in-band sync counter - out-of-band sync counter) & 0xff < 128. 345 */ 346 struct htt_oob_sync_req { 347 u8 sync_count; 348 __le16 rsvd0; 349 } __packed; 350 351 struct htt_aggr_conf { 352 u8 max_num_ampdu_subframes; 353 /* amsdu_subframes is limited by 0x1F mask */ 354 u8 max_num_amsdu_subframes; 355 } __packed; 356 357 struct htt_aggr_conf_v2 { 358 u8 max_num_ampdu_subframes; 359 /* amsdu_subframes is limited by 0x1F mask */ 360 u8 max_num_amsdu_subframes; 361 u8 reserved; 362 } __packed; 363 364 #define HTT_MGMT_FRM_HDR_DOWNLOAD_LEN 32 365 struct htt_mgmt_tx_desc_qca99x0 { 366 __le32 rate; 367 } __packed; 368 369 struct htt_mgmt_tx_desc { 370 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)]; 371 __le32 msdu_paddr; 372 __le32 desc_id; 373 __le32 len; 374 __le32 vdev_id; 375 u8 hdr[HTT_MGMT_FRM_HDR_DOWNLOAD_LEN]; 376 union { 377 struct htt_mgmt_tx_desc_qca99x0 qca99x0; 378 } __packed; 379 } __packed; 380 381 enum htt_mgmt_tx_status { 382 HTT_MGMT_TX_STATUS_OK = 0, 383 HTT_MGMT_TX_STATUS_RETRY = 1, 384 HTT_MGMT_TX_STATUS_DROP = 2 385 }; 386 387 /*=== target -> host messages ===============================================*/ 388 389 enum htt_main_t2h_msg_type { 390 HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF = 0x0, 391 HTT_MAIN_T2H_MSG_TYPE_RX_IND = 0x1, 392 HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH = 0x2, 393 HTT_MAIN_T2H_MSG_TYPE_PEER_MAP = 0x3, 394 HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 395 HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA = 0x5, 396 HTT_MAIN_T2H_MSG_TYPE_RX_DELBA = 0x6, 397 HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 398 HTT_MAIN_T2H_MSG_TYPE_PKTLOG = 0x8, 399 HTT_MAIN_T2H_MSG_TYPE_STATS_CONF = 0x9, 400 HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 401 HTT_MAIN_T2H_MSG_TYPE_SEC_IND = 0xb, 402 HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 403 HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 404 HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf, 405 HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND = 0x10, 406 HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11, 407 HTT_MAIN_T2H_MSG_TYPE_TEST, 408 /* keep this last */ 409 HTT_MAIN_T2H_NUM_MSGS 410 }; 411 412 enum htt_10x_t2h_msg_type { 413 HTT_10X_T2H_MSG_TYPE_VERSION_CONF = 0x0, 414 HTT_10X_T2H_MSG_TYPE_RX_IND = 0x1, 415 HTT_10X_T2H_MSG_TYPE_RX_FLUSH = 0x2, 416 HTT_10X_T2H_MSG_TYPE_PEER_MAP = 0x3, 417 HTT_10X_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 418 HTT_10X_T2H_MSG_TYPE_RX_ADDBA = 0x5, 419 HTT_10X_T2H_MSG_TYPE_RX_DELBA = 0x6, 420 HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 421 HTT_10X_T2H_MSG_TYPE_PKTLOG = 0x8, 422 HTT_10X_T2H_MSG_TYPE_STATS_CONF = 0x9, 423 HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 424 HTT_10X_T2H_MSG_TYPE_SEC_IND = 0xb, 425 HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, 426 HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 427 HTT_10X_T2H_MSG_TYPE_TEST = 0xe, 428 HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE = 0xf, 429 HTT_10X_T2H_MSG_TYPE_AGGR_CONF = 0x11, 430 HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x12, 431 HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0x13, 432 /* keep this last */ 433 HTT_10X_T2H_NUM_MSGS 434 }; 435 436 enum htt_tlv_t2h_msg_type { 437 HTT_TLV_T2H_MSG_TYPE_VERSION_CONF = 0x0, 438 HTT_TLV_T2H_MSG_TYPE_RX_IND = 0x1, 439 HTT_TLV_T2H_MSG_TYPE_RX_FLUSH = 0x2, 440 HTT_TLV_T2H_MSG_TYPE_PEER_MAP = 0x3, 441 HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 442 HTT_TLV_T2H_MSG_TYPE_RX_ADDBA = 0x5, 443 HTT_TLV_T2H_MSG_TYPE_RX_DELBA = 0x6, 444 HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 445 HTT_TLV_T2H_MSG_TYPE_PKTLOG = 0x8, 446 HTT_TLV_T2H_MSG_TYPE_STATS_CONF = 0x9, 447 HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 448 HTT_TLV_T2H_MSG_TYPE_SEC_IND = 0xb, 449 HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, /* deprecated */ 450 HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 451 HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 452 HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf, 453 HTT_TLV_T2H_MSG_TYPE_RX_PN_IND = 0x10, 454 HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11, 455 HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND = 0x12, 456 /* 0x13 reservd */ 457 HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE = 0x14, 458 HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE = 0x15, 459 HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR = 0x16, 460 HTT_TLV_T2H_MSG_TYPE_TEST, 461 /* keep this last */ 462 HTT_TLV_T2H_NUM_MSGS 463 }; 464 465 enum htt_10_4_t2h_msg_type { 466 HTT_10_4_T2H_MSG_TYPE_VERSION_CONF = 0x0, 467 HTT_10_4_T2H_MSG_TYPE_RX_IND = 0x1, 468 HTT_10_4_T2H_MSG_TYPE_RX_FLUSH = 0x2, 469 HTT_10_4_T2H_MSG_TYPE_PEER_MAP = 0x3, 470 HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 471 HTT_10_4_T2H_MSG_TYPE_RX_ADDBA = 0x5, 472 HTT_10_4_T2H_MSG_TYPE_RX_DELBA = 0x6, 473 HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 474 HTT_10_4_T2H_MSG_TYPE_PKTLOG = 0x8, 475 HTT_10_4_T2H_MSG_TYPE_STATS_CONF = 0x9, 476 HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 477 HTT_10_4_T2H_MSG_TYPE_SEC_IND = 0xb, 478 HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, 479 HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 480 HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 481 HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE = 0xf, 482 HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0x10, 483 HTT_10_4_T2H_MSG_TYPE_RX_PN_IND = 0x11, 484 HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x12, 485 HTT_10_4_T2H_MSG_TYPE_TEST = 0x13, 486 HTT_10_4_T2H_MSG_TYPE_EN_STATS = 0x14, 487 HTT_10_4_T2H_MSG_TYPE_AGGR_CONF = 0x15, 488 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND = 0x16, 489 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM = 0x17, 490 HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x18, 491 /* 0x19 to 0x2f are reserved */ 492 HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND = 0x30, 493 HTT_10_4_T2H_MSG_TYPE_PEER_STATS = 0x31, 494 /* keep this last */ 495 HTT_10_4_T2H_NUM_MSGS 496 }; 497 498 enum htt_t2h_msg_type { 499 HTT_T2H_MSG_TYPE_VERSION_CONF, 500 HTT_T2H_MSG_TYPE_RX_IND, 501 HTT_T2H_MSG_TYPE_RX_FLUSH, 502 HTT_T2H_MSG_TYPE_PEER_MAP, 503 HTT_T2H_MSG_TYPE_PEER_UNMAP, 504 HTT_T2H_MSG_TYPE_RX_ADDBA, 505 HTT_T2H_MSG_TYPE_RX_DELBA, 506 HTT_T2H_MSG_TYPE_TX_COMPL_IND, 507 HTT_T2H_MSG_TYPE_PKTLOG, 508 HTT_T2H_MSG_TYPE_STATS_CONF, 509 HTT_T2H_MSG_TYPE_RX_FRAG_IND, 510 HTT_T2H_MSG_TYPE_SEC_IND, 511 HTT_T2H_MSG_TYPE_RC_UPDATE_IND, 512 HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 513 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 514 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, 515 HTT_T2H_MSG_TYPE_RX_PN_IND, 516 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, 517 HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND, 518 HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE, 519 HTT_T2H_MSG_TYPE_CHAN_CHANGE, 520 HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR, 521 HTT_T2H_MSG_TYPE_AGGR_CONF, 522 HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, 523 HTT_T2H_MSG_TYPE_TEST, 524 HTT_T2H_MSG_TYPE_EN_STATS, 525 HTT_T2H_MSG_TYPE_TX_FETCH_IND, 526 HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM, 527 HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND, 528 HTT_T2H_MSG_TYPE_PEER_STATS, 529 /* keep this last */ 530 HTT_T2H_NUM_MSGS 531 }; 532 533 /* 534 * htt_resp_hdr - header for target-to-host messages 535 * 536 * msg_type: see htt_t2h_msg_type 537 */ 538 struct htt_resp_hdr { 539 u8 msg_type; 540 } __packed; 541 542 #define HTT_RESP_HDR_MSG_TYPE_OFFSET 0 543 #define HTT_RESP_HDR_MSG_TYPE_MASK 0xff 544 #define HTT_RESP_HDR_MSG_TYPE_LSB 0 545 546 /* htt_ver_resp - response sent for htt_ver_req */ 547 struct htt_ver_resp { 548 u8 minor; 549 u8 major; 550 u8 rsvd0; 551 } __packed; 552 553 #define HTT_MGMT_TX_CMPL_FLAG_ACK_RSSI BIT(0) 554 555 #define HTT_MGMT_TX_CMPL_INFO_ACK_RSSI_MASK GENMASK(7, 0) 556 557 struct htt_mgmt_tx_completion { 558 u8 rsvd0; 559 u8 rsvd1; 560 u8 flags; 561 __le32 desc_id; 562 __le32 status; 563 __le32 ppdu_id; 564 __le32 info; 565 } __packed; 566 567 #define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x1F) 568 #define HTT_RX_INDICATION_INFO0_EXT_TID_LSB (0) 569 #define HTT_RX_INDICATION_INFO0_FLUSH_VALID (1 << 5) 570 #define HTT_RX_INDICATION_INFO0_RELEASE_VALID (1 << 6) 571 #define HTT_RX_INDICATION_INFO0_PPDU_DURATION BIT(7) 572 573 #define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_MASK 0x0000003F 574 #define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_LSB 0 575 #define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_MASK 0x00000FC0 576 #define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_LSB 6 577 #define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_MASK 0x0003F000 578 #define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_LSB 12 579 #define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_MASK 0x00FC0000 580 #define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_LSB 18 581 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK 0xFF000000 582 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB 24 583 584 #define HTT_TX_CMPL_FLAG_DATA_RSSI BIT(0) 585 #define HTT_TX_CMPL_FLAG_PPID_PRESENT BIT(1) 586 #define HTT_TX_CMPL_FLAG_PA_PRESENT BIT(2) 587 #define HTT_TX_CMPL_FLAG_PPDU_DURATION_PRESENT BIT(3) 588 589 #define HTT_TX_DATA_RSSI_ENABLE_WCN3990 BIT(3) 590 #define HTT_TX_DATA_APPEND_RETRIES BIT(0) 591 #define HTT_TX_DATA_APPEND_TIMESTAMP BIT(1) 592 593 struct htt_rx_indication_hdr { 594 u8 info0; /* %HTT_RX_INDICATION_INFO0_ */ 595 __le16 peer_id; 596 __le32 info1; /* %HTT_RX_INDICATION_INFO1_ */ 597 } __packed; 598 599 #define HTT_RX_INDICATION_INFO0_PHY_ERR_VALID (1 << 0) 600 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_MASK (0x1E) 601 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_LSB (1) 602 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_CCK (1 << 5) 603 #define HTT_RX_INDICATION_INFO0_END_VALID (1 << 6) 604 #define HTT_RX_INDICATION_INFO0_START_VALID (1 << 7) 605 606 #define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_MASK 0x00FFFFFF 607 #define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_LSB 0 608 #define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_MASK 0xFF000000 609 #define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_LSB 24 610 611 #define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_MASK 0x00FFFFFF 612 #define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_LSB 0 613 #define HTT_RX_INDICATION_INFO2_SERVICE_MASK 0xFF000000 614 #define HTT_RX_INDICATION_INFO2_SERVICE_LSB 24 615 616 enum htt_rx_legacy_rate { 617 HTT_RX_OFDM_48 = 0, 618 HTT_RX_OFDM_24 = 1, 619 HTT_RX_OFDM_12, 620 HTT_RX_OFDM_6, 621 HTT_RX_OFDM_54, 622 HTT_RX_OFDM_36, 623 HTT_RX_OFDM_18, 624 HTT_RX_OFDM_9, 625 626 /* long preamble */ 627 HTT_RX_CCK_11_LP = 0, 628 HTT_RX_CCK_5_5_LP = 1, 629 HTT_RX_CCK_2_LP, 630 HTT_RX_CCK_1_LP, 631 /* short preamble */ 632 HTT_RX_CCK_11_SP, 633 HTT_RX_CCK_5_5_SP, 634 HTT_RX_CCK_2_SP 635 }; 636 637 enum htt_rx_legacy_rate_type { 638 HTT_RX_LEGACY_RATE_OFDM = 0, 639 HTT_RX_LEGACY_RATE_CCK 640 }; 641 642 enum htt_rx_preamble_type { 643 HTT_RX_LEGACY = 0x4, 644 HTT_RX_HT = 0x8, 645 HTT_RX_HT_WITH_TXBF = 0x9, 646 HTT_RX_VHT = 0xC, 647 HTT_RX_VHT_WITH_TXBF = 0xD, 648 }; 649 650 /* 651 * Fields: phy_err_valid, phy_err_code, tsf, 652 * usec_timestamp, sub_usec_timestamp 653 * ..are valid only if end_valid == 1. 654 * 655 * Fields: rssi_chains, legacy_rate_type, 656 * legacy_rate_cck, preamble_type, service, 657 * vht_sig_* 658 * ..are valid only if start_valid == 1; 659 */ 660 struct htt_rx_indication_ppdu { 661 u8 combined_rssi; 662 u8 sub_usec_timestamp; 663 u8 phy_err_code; 664 u8 info0; /* HTT_RX_INDICATION_INFO0_ */ 665 struct { 666 u8 pri20_db; 667 u8 ext20_db; 668 u8 ext40_db; 669 u8 ext80_db; 670 } __packed rssi_chains[4]; 671 __le32 tsf; 672 __le32 usec_timestamp; 673 __le32 info1; /* HTT_RX_INDICATION_INFO1_ */ 674 __le32 info2; /* HTT_RX_INDICATION_INFO2_ */ 675 } __packed; 676 677 enum htt_rx_mpdu_status { 678 HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0, 679 HTT_RX_IND_MPDU_STATUS_OK, 680 HTT_RX_IND_MPDU_STATUS_ERR_FCS, 681 HTT_RX_IND_MPDU_STATUS_ERR_DUP, 682 HTT_RX_IND_MPDU_STATUS_ERR_REPLAY, 683 HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER, 684 /* only accept EAPOL frames */ 685 HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER, 686 HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC, 687 /* Non-data in promiscuous mode */ 688 HTT_RX_IND_MPDU_STATUS_MGMT_CTRL, 689 HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR, 690 HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR, 691 HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR, 692 HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR, 693 HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR, 694 695 /* 696 * MISC: discard for unspecified reasons. 697 * Leave this enum value last. 698 */ 699 HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF 700 }; 701 702 struct htt_rx_indication_mpdu_range { 703 u8 mpdu_count; 704 u8 mpdu_range_status; /* %htt_rx_mpdu_status */ 705 u8 pad0; 706 u8 pad1; 707 } __packed; 708 709 struct htt_rx_indication_prefix { 710 __le16 fw_rx_desc_bytes; 711 u8 pad0; 712 u8 pad1; 713 }; 714 715 struct htt_rx_indication { 716 struct htt_rx_indication_hdr hdr; 717 struct htt_rx_indication_ppdu ppdu; 718 struct htt_rx_indication_prefix prefix; 719 720 /* 721 * the following fields are both dynamically sized, so 722 * take care addressing them 723 */ 724 725 /* the size of this is %fw_rx_desc_bytes */ 726 struct fw_rx_desc_base fw_desc; 727 728 /* 729 * %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4) 730 * and has %num_mpdu_ranges elements. 731 */ 732 struct htt_rx_indication_mpdu_range mpdu_ranges[]; 733 } __packed; 734 735 /* High latency version of the RX indication */ 736 struct htt_rx_indication_hl { 737 struct htt_rx_indication_hdr hdr; 738 struct htt_rx_indication_ppdu ppdu; 739 struct htt_rx_indication_prefix prefix; 740 struct fw_rx_desc_hl fw_desc; 741 struct htt_rx_indication_mpdu_range mpdu_ranges[]; 742 } __packed; 743 744 struct htt_hl_rx_desc { 745 __le32 info; 746 __le32 pn_31_0; 747 union { 748 struct { 749 __le16 pn_47_32; 750 __le16 pn_63_48; 751 } pn16; 752 __le32 pn_63_32; 753 } u0; 754 __le32 pn_95_64; 755 __le32 pn_127_96; 756 } __packed; 757 758 static inline struct htt_rx_indication_mpdu_range * 759 htt_rx_ind_get_mpdu_ranges(struct htt_rx_indication *rx_ind) 760 { 761 #if defined(__linux__) 762 void *ptr = rx_ind; 763 #elif defined(__FreeBSD__) 764 u8 *ptr = (void *)rx_ind; 765 #endif 766 767 ptr += sizeof(rx_ind->hdr) 768 + sizeof(rx_ind->ppdu) 769 + sizeof(rx_ind->prefix) 770 + roundup(__le16_to_cpu(rx_ind->prefix.fw_rx_desc_bytes), 4); 771 #if defined(__linux__) 772 return ptr; 773 #elif defined(__FreeBSD__) 774 return ((void *)ptr); 775 #endif 776 } 777 778 static inline struct htt_rx_indication_mpdu_range * 779 htt_rx_ind_get_mpdu_ranges_hl(struct htt_rx_indication_hl *rx_ind) 780 { 781 #if defined(__linux__) 782 void *ptr = rx_ind; 783 #elif defined(__FreeBSD__) 784 u8 *ptr = (void *)rx_ind; 785 #endif 786 787 ptr += sizeof(rx_ind->hdr) 788 + sizeof(rx_ind->ppdu) 789 + sizeof(rx_ind->prefix) 790 + sizeof(rx_ind->fw_desc); 791 #if defined(__linux__) 792 return ptr; 793 #elif defined(__FreeBSD__) 794 return ((void *)ptr); 795 #endif 796 } 797 798 enum htt_rx_flush_mpdu_status { 799 HTT_RX_FLUSH_MPDU_DISCARD = 0, 800 HTT_RX_FLUSH_MPDU_REORDER = 1, 801 }; 802 803 /* 804 * htt_rx_flush - discard or reorder given range of mpdus 805 * 806 * Note: host must check if all sequence numbers between 807 * [seq_num_start, seq_num_end-1] are valid. 808 */ 809 struct htt_rx_flush { 810 __le16 peer_id; 811 u8 tid; 812 u8 rsvd0; 813 u8 mpdu_status; /* %htt_rx_flush_mpdu_status */ 814 u8 seq_num_start; /* it is 6 LSBs of 802.11 seq no */ 815 u8 seq_num_end; /* it is 6 LSBs of 802.11 seq no */ 816 }; 817 818 struct htt_rx_peer_map { 819 u8 vdev_id; 820 __le16 peer_id; 821 u8 addr[6]; 822 u8 rsvd0; 823 u8 rsvd1; 824 } __packed; 825 826 struct htt_rx_peer_unmap { 827 u8 rsvd0; 828 __le16 peer_id; 829 } __packed; 830 831 enum htt_txrx_sec_cast_type { 832 HTT_TXRX_SEC_MCAST = 0, 833 HTT_TXRX_SEC_UCAST 834 }; 835 836 enum htt_rx_pn_check_type { 837 HTT_RX_NON_PN_CHECK = 0, 838 HTT_RX_PN_CHECK 839 }; 840 841 enum htt_rx_tkip_demic_type { 842 HTT_RX_NON_TKIP_MIC = 0, 843 HTT_RX_TKIP_MIC 844 }; 845 846 enum htt_security_types { 847 HTT_SECURITY_NONE, 848 HTT_SECURITY_WEP128, 849 HTT_SECURITY_WEP104, 850 HTT_SECURITY_WEP40, 851 HTT_SECURITY_TKIP, 852 HTT_SECURITY_TKIP_NOMIC, 853 HTT_SECURITY_AES_CCMP, 854 HTT_SECURITY_WAPI, 855 856 HTT_NUM_SECURITY_TYPES /* keep this last! */ 857 }; 858 859 #define ATH10K_HTT_TXRX_PEER_SECURITY_MAX 2 860 #define ATH10K_TXRX_NUM_EXT_TIDS 19 861 #define ATH10K_TXRX_NON_QOS_TID 16 862 863 enum htt_security_flags { 864 #define HTT_SECURITY_TYPE_MASK 0x7F 865 #define HTT_SECURITY_TYPE_LSB 0 866 HTT_SECURITY_IS_UNICAST = 1 << 7 867 }; 868 869 struct htt_security_indication { 870 union { 871 /* dont use bitfields; undefined behaviour */ 872 u8 flags; /* %htt_security_flags */ 873 struct { 874 u8 security_type:7, /* %htt_security_types */ 875 is_unicast:1; 876 } __packed; 877 } __packed; 878 __le16 peer_id; 879 u8 michael_key[8]; 880 u8 wapi_rsc[16]; 881 } __packed; 882 883 #define HTT_RX_BA_INFO0_TID_MASK 0x000F 884 #define HTT_RX_BA_INFO0_TID_LSB 0 885 #define HTT_RX_BA_INFO0_PEER_ID_MASK 0xFFF0 886 #define HTT_RX_BA_INFO0_PEER_ID_LSB 4 887 888 struct htt_rx_addba { 889 u8 window_size; 890 __le16 info0; /* %HTT_RX_BA_INFO0_ */ 891 } __packed; 892 893 struct htt_rx_delba { 894 u8 rsvd0; 895 __le16 info0; /* %HTT_RX_BA_INFO0_ */ 896 } __packed; 897 898 enum htt_data_tx_status { 899 HTT_DATA_TX_STATUS_OK = 0, 900 HTT_DATA_TX_STATUS_DISCARD = 1, 901 HTT_DATA_TX_STATUS_NO_ACK = 2, 902 HTT_DATA_TX_STATUS_POSTPONE = 3, /* HL only */ 903 HTT_DATA_TX_STATUS_DOWNLOAD_FAIL = 128 904 }; 905 906 enum htt_data_tx_flags { 907 #define HTT_DATA_TX_STATUS_MASK 0x07 908 #define HTT_DATA_TX_STATUS_LSB 0 909 #define HTT_DATA_TX_TID_MASK 0x78 910 #define HTT_DATA_TX_TID_LSB 3 911 HTT_DATA_TX_TID_INVALID = 1 << 7 912 }; 913 914 #define HTT_TX_COMPL_INV_MSDU_ID 0xFFFF 915 916 struct htt_append_retries { 917 __le16 msdu_id; 918 u8 tx_retries; 919 u8 flag; 920 } __packed; 921 922 struct htt_data_tx_completion_ext { 923 struct htt_append_retries a_retries; 924 __le32 t_stamp; 925 __le16 msdus_rssi[]; 926 } __packed; 927 928 /** 929 * @brief target -> host TX completion indication message definition 930 * 931 * @details 932 * The following diagram shows the format of the TX completion indication sent 933 * from the target to the host 934 * 935 * |31 28|27|26|25|24|23 16| 15 |14 11|10 8|7 0| 936 * |-------------------------------------------------------------| 937 * header: |rsvd |A2|TP|A1|A0| num | t_i| tid |status| msg_type | 938 * |-------------------------------------------------------------| 939 * payload: | MSDU1 ID | MSDU0 ID | 940 * |-------------------------------------------------------------| 941 * : MSDU3 ID : MSDU2 ID : 942 * |-------------------------------------------------------------| 943 * | struct htt_tx_compl_ind_append_retries | 944 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 945 * | struct htt_tx_compl_ind_append_tx_tstamp | 946 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 947 * | MSDU1 ACK RSSI | MSDU0 ACK RSSI | 948 * |-------------------------------------------------------------| 949 * : MSDU3 ACK RSSI : MSDU2 ACK RSSI : 950 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 951 * -msg_type 952 * Bits 7:0 953 * Purpose: identifies this as HTT TX completion indication 954 * -status 955 * Bits 10:8 956 * Purpose: the TX completion status of payload fragmentations descriptors 957 * Value: could be HTT_TX_COMPL_IND_STAT_OK or HTT_TX_COMPL_IND_STAT_DISCARD 958 * -tid 959 * Bits 14:11 960 * Purpose: the tid associated with those fragmentation descriptors. It is 961 * valid or not, depending on the tid_invalid bit. 962 * Value: 0 to 15 963 * -tid_invalid 964 * Bits 15:15 965 * Purpose: this bit indicates whether the tid field is valid or not 966 * Value: 0 indicates valid, 1 indicates invalid 967 * -num 968 * Bits 23:16 969 * Purpose: the number of payload in this indication 970 * Value: 1 to 255 971 * -A0 = append 972 * Bits 24:24 973 * Purpose: append the struct htt_tx_compl_ind_append_retries which contains 974 * the number of tx retries for one MSDU at the end of this message 975 * Value: 0 indicates no appending, 1 indicates appending 976 * -A1 = append1 977 * Bits 25:25 978 * Purpose: Append the struct htt_tx_compl_ind_append_tx_tstamp which 979 * contains the timestamp info for each TX msdu id in payload. 980 * Value: 0 indicates no appending, 1 indicates appending 981 * -TP = MSDU tx power presence 982 * Bits 26:26 983 * Purpose: Indicate whether the TX_COMPL_IND includes a tx power report 984 * for each MSDU referenced by the TX_COMPL_IND message. 985 * The order of the per-MSDU tx power reports matches the order 986 * of the MSDU IDs. 987 * Value: 0 indicates not appending, 1 indicates appending 988 * -A2 = append2 989 * Bits 27:27 990 * Purpose: Indicate whether data ACK RSSI is appended for each MSDU in 991 * TX_COMP_IND message. The order of the per-MSDU ACK RSSI report 992 * matches the order of the MSDU IDs. 993 * The ACK RSSI values are valid when status is COMPLETE_OK (and 994 * this append2 bit is set). 995 * Value: 0 indicates not appending, 1 indicates appending 996 */ 997 998 struct htt_data_tx_completion { 999 union { 1000 u8 flags; 1001 struct { 1002 u8 status:3, 1003 tid:4, 1004 tid_invalid:1; 1005 } __packed; 1006 } __packed; 1007 u8 num_msdus; 1008 u8 flags2; /* HTT_TX_CMPL_FLAG_DATA_RSSI */ 1009 __le16 msdus[]; /* variable length based on %num_msdus */ 1010 } __packed; 1011 1012 #define HTT_TX_PPDU_DUR_INFO0_PEER_ID_MASK GENMASK(15, 0) 1013 #define HTT_TX_PPDU_DUR_INFO0_TID_MASK GENMASK(20, 16) 1014 1015 struct htt_data_tx_ppdu_dur { 1016 __le32 info0; /* HTT_TX_PPDU_DUR_INFO0_ */ 1017 __le32 tx_duration; /* in usecs */ 1018 } __packed; 1019 1020 #define HTT_TX_COMPL_PPDU_DUR_INFO0_NUM_ENTRIES_MASK GENMASK(7, 0) 1021 1022 struct htt_data_tx_compl_ppdu_dur { 1023 __le32 info0; /* HTT_TX_COMPL_PPDU_DUR_INFO0_ */ 1024 struct htt_data_tx_ppdu_dur ppdu_dur[]; 1025 } __packed; 1026 1027 struct htt_tx_compl_ind_base { 1028 u32 hdr; 1029 u16 payload[1/*or more*/]; 1030 } __packed; 1031 1032 struct htt_rc_tx_done_params { 1033 u32 rate_code; 1034 u32 rate_code_flags; 1035 u32 flags; 1036 u32 num_enqued; /* 1 for non-AMPDU */ 1037 u32 num_retries; 1038 u32 num_failed; /* for AMPDU */ 1039 u32 ack_rssi; 1040 u32 time_stamp; 1041 u32 is_probe; 1042 }; 1043 1044 struct htt_rc_update { 1045 u8 vdev_id; 1046 __le16 peer_id; 1047 u8 addr[6]; 1048 u8 num_elems; 1049 u8 rsvd0; 1050 struct htt_rc_tx_done_params params[]; /* variable length %num_elems */ 1051 } __packed; 1052 1053 /* see htt_rx_indication for similar fields and descriptions */ 1054 struct htt_rx_fragment_indication { 1055 union { 1056 u8 info0; /* %HTT_RX_FRAG_IND_INFO0_ */ 1057 struct { 1058 u8 ext_tid:5, 1059 flush_valid:1; 1060 } __packed; 1061 } __packed; 1062 __le16 peer_id; 1063 __le32 info1; /* %HTT_RX_FRAG_IND_INFO1_ */ 1064 __le16 fw_rx_desc_bytes; 1065 __le16 rsvd0; 1066 1067 u8 fw_msdu_rx_desc[]; 1068 } __packed; 1069 1070 #define ATH10K_IEEE80211_EXTIV BIT(5) 1071 #define ATH10K_IEEE80211_TKIP_MICLEN 8 /* trailing MIC */ 1072 1073 #define HTT_RX_FRAG_IND_INFO0_HEADER_LEN 16 1074 1075 #define HTT_RX_FRAG_IND_INFO0_EXT_TID_MASK 0x1F 1076 #define HTT_RX_FRAG_IND_INFO0_EXT_TID_LSB 0 1077 #define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_MASK 0x20 1078 #define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_LSB 5 1079 1080 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_MASK 0x0000003F 1081 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_LSB 0 1082 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK 0x00000FC0 1083 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB 6 1084 1085 struct htt_rx_pn_ind { 1086 __le16 peer_id; 1087 u8 tid; 1088 u8 seqno_start; 1089 u8 seqno_end; 1090 u8 pn_ie_count; 1091 u8 reserved; 1092 u8 pn_ies[]; 1093 } __packed; 1094 1095 struct htt_rx_offload_msdu { 1096 __le16 msdu_len; 1097 __le16 peer_id; 1098 u8 vdev_id; 1099 u8 tid; 1100 u8 fw_desc; 1101 u8 payload[]; 1102 } __packed; 1103 1104 struct htt_rx_offload_ind { 1105 u8 reserved; 1106 __le16 msdu_count; 1107 } __packed; 1108 1109 struct htt_rx_in_ord_msdu_desc { 1110 __le32 msdu_paddr; 1111 __le16 msdu_len; 1112 u8 fw_desc; 1113 u8 reserved; 1114 } __packed; 1115 1116 struct htt_rx_in_ord_msdu_desc_ext { 1117 __le64 msdu_paddr; 1118 __le16 msdu_len; 1119 u8 fw_desc; 1120 u8 reserved; 1121 } __packed; 1122 1123 struct htt_rx_in_ord_ind { 1124 u8 info; 1125 __le16 peer_id; 1126 u8 vdev_id; 1127 u8 reserved; 1128 __le16 msdu_count; 1129 union { 1130 struct htt_rx_in_ord_msdu_desc msdu_descs32[0]; 1131 struct htt_rx_in_ord_msdu_desc_ext msdu_descs64[0]; 1132 } __packed; 1133 } __packed; 1134 1135 #define HTT_RX_IN_ORD_IND_INFO_TID_MASK 0x0000001f 1136 #define HTT_RX_IN_ORD_IND_INFO_TID_LSB 0 1137 #define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK 0x00000020 1138 #define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB 5 1139 #define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK 0x00000040 1140 #define HTT_RX_IN_ORD_IND_INFO_FRAG_LSB 6 1141 1142 /* 1143 * target -> host test message definition 1144 * 1145 * The following field definitions describe the format of the test 1146 * message sent from the target to the host. 1147 * The message consists of a 4-octet header, followed by a variable 1148 * number of 32-bit integer values, followed by a variable number 1149 * of 8-bit character values. 1150 * 1151 * |31 16|15 8|7 0| 1152 * |-----------------------------------------------------------| 1153 * | num chars | num ints | msg type | 1154 * |-----------------------------------------------------------| 1155 * | int 0 | 1156 * |-----------------------------------------------------------| 1157 * | int 1 | 1158 * |-----------------------------------------------------------| 1159 * | ... | 1160 * |-----------------------------------------------------------| 1161 * | char 3 | char 2 | char 1 | char 0 | 1162 * |-----------------------------------------------------------| 1163 * | | | ... | char 4 | 1164 * |-----------------------------------------------------------| 1165 * - MSG_TYPE 1166 * Bits 7:0 1167 * Purpose: identifies this as a test message 1168 * Value: HTT_MSG_TYPE_TEST 1169 * - NUM_INTS 1170 * Bits 15:8 1171 * Purpose: indicate how many 32-bit integers follow the message header 1172 * - NUM_CHARS 1173 * Bits 31:16 1174 * Purpose: indicate how many 8-bit characters follow the series of integers 1175 */ 1176 struct htt_rx_test { 1177 u8 num_ints; 1178 __le16 num_chars; 1179 1180 /* payload consists of 2 lists: 1181 * a) num_ints * sizeof(__le32) 1182 * b) num_chars * sizeof(u8) aligned to 4bytes 1183 */ 1184 u8 payload[]; 1185 } __packed; 1186 1187 static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test) 1188 { 1189 return (__le32 *)rx_test->payload; 1190 } 1191 1192 static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test) 1193 { 1194 return rx_test->payload + (rx_test->num_ints * sizeof(__le32)); 1195 } 1196 1197 /* 1198 * target -> host packet log message 1199 * 1200 * The following field definitions describe the format of the packet log 1201 * message sent from the target to the host. 1202 * The message consists of a 4-octet header,followed by a variable number 1203 * of 32-bit character values. 1204 * 1205 * |31 24|23 16|15 8|7 0| 1206 * |-----------------------------------------------------------| 1207 * | | | | msg type | 1208 * |-----------------------------------------------------------| 1209 * | payload | 1210 * |-----------------------------------------------------------| 1211 * - MSG_TYPE 1212 * Bits 7:0 1213 * Purpose: identifies this as a test message 1214 * Value: HTT_MSG_TYPE_PACKETLOG 1215 */ 1216 struct htt_pktlog_msg { 1217 u8 pad[3]; 1218 u8 payload[]; 1219 } __packed; 1220 1221 struct htt_dbg_stats_rx_reorder_stats { 1222 /* Non QoS MPDUs received */ 1223 __le32 deliver_non_qos; 1224 1225 /* MPDUs received in-order */ 1226 __le32 deliver_in_order; 1227 1228 /* Flush due to reorder timer expired */ 1229 __le32 deliver_flush_timeout; 1230 1231 /* Flush due to move out of window */ 1232 __le32 deliver_flush_oow; 1233 1234 /* Flush due to DELBA */ 1235 __le32 deliver_flush_delba; 1236 1237 /* MPDUs dropped due to FCS error */ 1238 __le32 fcs_error; 1239 1240 /* MPDUs dropped due to monitor mode non-data packet */ 1241 __le32 mgmt_ctrl; 1242 1243 /* MPDUs dropped due to invalid peer */ 1244 __le32 invalid_peer; 1245 1246 /* MPDUs dropped due to duplication (non aggregation) */ 1247 __le32 dup_non_aggr; 1248 1249 /* MPDUs dropped due to processed before */ 1250 __le32 dup_past; 1251 1252 /* MPDUs dropped due to duplicate in reorder queue */ 1253 __le32 dup_in_reorder; 1254 1255 /* Reorder timeout happened */ 1256 __le32 reorder_timeout; 1257 1258 /* invalid bar ssn */ 1259 __le32 invalid_bar_ssn; 1260 1261 /* reorder reset due to bar ssn */ 1262 __le32 ssn_reset; 1263 }; 1264 1265 struct htt_dbg_stats_wal_tx_stats { 1266 /* Num HTT cookies queued to dispatch list */ 1267 __le32 comp_queued; 1268 1269 /* Num HTT cookies dispatched */ 1270 __le32 comp_delivered; 1271 1272 /* Num MSDU queued to WAL */ 1273 __le32 msdu_enqued; 1274 1275 /* Num MPDU queue to WAL */ 1276 __le32 mpdu_enqued; 1277 1278 /* Num MSDUs dropped by WMM limit */ 1279 __le32 wmm_drop; 1280 1281 /* Num Local frames queued */ 1282 __le32 local_enqued; 1283 1284 /* Num Local frames done */ 1285 __le32 local_freed; 1286 1287 /* Num queued to HW */ 1288 __le32 hw_queued; 1289 1290 /* Num PPDU reaped from HW */ 1291 __le32 hw_reaped; 1292 1293 /* Num underruns */ 1294 __le32 underrun; 1295 1296 /* Num PPDUs cleaned up in TX abort */ 1297 __le32 tx_abort; 1298 1299 /* Num MPDUs requeued by SW */ 1300 __le32 mpdus_requeued; 1301 1302 /* excessive retries */ 1303 __le32 tx_ko; 1304 1305 /* data hw rate code */ 1306 __le32 data_rc; 1307 1308 /* Scheduler self triggers */ 1309 __le32 self_triggers; 1310 1311 /* frames dropped due to excessive sw retries */ 1312 __le32 sw_retry_failure; 1313 1314 /* illegal rate phy errors */ 1315 __le32 illgl_rate_phy_err; 1316 1317 /* wal pdev continuous xretry */ 1318 __le32 pdev_cont_xretry; 1319 1320 /* wal pdev continuous xretry */ 1321 __le32 pdev_tx_timeout; 1322 1323 /* wal pdev resets */ 1324 __le32 pdev_resets; 1325 1326 __le32 phy_underrun; 1327 1328 /* MPDU is more than txop limit */ 1329 __le32 txop_ovf; 1330 } __packed; 1331 1332 struct htt_dbg_stats_wal_rx_stats { 1333 /* Cnts any change in ring routing mid-ppdu */ 1334 __le32 mid_ppdu_route_change; 1335 1336 /* Total number of statuses processed */ 1337 __le32 status_rcvd; 1338 1339 /* Extra frags on rings 0-3 */ 1340 __le32 r0_frags; 1341 __le32 r1_frags; 1342 __le32 r2_frags; 1343 __le32 r3_frags; 1344 1345 /* MSDUs / MPDUs delivered to HTT */ 1346 __le32 htt_msdus; 1347 __le32 htt_mpdus; 1348 1349 /* MSDUs / MPDUs delivered to local stack */ 1350 __le32 loc_msdus; 1351 __le32 loc_mpdus; 1352 1353 /* AMSDUs that have more MSDUs than the status ring size */ 1354 __le32 oversize_amsdu; 1355 1356 /* Number of PHY errors */ 1357 __le32 phy_errs; 1358 1359 /* Number of PHY errors drops */ 1360 __le32 phy_err_drop; 1361 1362 /* Number of mpdu errors - FCS, MIC, ENC etc. */ 1363 __le32 mpdu_errs; 1364 } __packed; 1365 1366 struct htt_dbg_stats_wal_peer_stats { 1367 __le32 dummy; /* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */ 1368 } __packed; 1369 1370 struct htt_dbg_stats_wal_pdev_txrx { 1371 struct htt_dbg_stats_wal_tx_stats tx_stats; 1372 struct htt_dbg_stats_wal_rx_stats rx_stats; 1373 struct htt_dbg_stats_wal_peer_stats peer_stats; 1374 } __packed; 1375 1376 struct htt_dbg_stats_rx_rate_info { 1377 __le32 mcs[10]; 1378 __le32 sgi[10]; 1379 __le32 nss[4]; 1380 __le32 stbc[10]; 1381 __le32 bw[3]; 1382 __le32 pream[6]; 1383 __le32 ldpc; 1384 __le32 txbf; 1385 }; 1386 1387 /* 1388 * htt_dbg_stats_status - 1389 * present - The requested stats have been delivered in full. 1390 * This indicates that either the stats information was contained 1391 * in its entirety within this message, or else this message 1392 * completes the delivery of the requested stats info that was 1393 * partially delivered through earlier STATS_CONF messages. 1394 * partial - The requested stats have been delivered in part. 1395 * One or more subsequent STATS_CONF messages with the same 1396 * cookie value will be sent to deliver the remainder of the 1397 * information. 1398 * error - The requested stats could not be delivered, for example due 1399 * to a shortage of memory to construct a message holding the 1400 * requested stats. 1401 * invalid - The requested stat type is either not recognized, or the 1402 * target is configured to not gather the stats type in question. 1403 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1404 * series_done - This special value indicates that no further stats info 1405 * elements are present within a series of stats info elems 1406 * (within a stats upload confirmation message). 1407 */ 1408 enum htt_dbg_stats_status { 1409 HTT_DBG_STATS_STATUS_PRESENT = 0, 1410 HTT_DBG_STATS_STATUS_PARTIAL = 1, 1411 HTT_DBG_STATS_STATUS_ERROR = 2, 1412 HTT_DBG_STATS_STATUS_INVALID = 3, 1413 HTT_DBG_STATS_STATUS_SERIES_DONE = 7 1414 }; 1415 1416 /* 1417 * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank 1418 * 1419 * The following field definitions describe the format of the HTT host 1420 * to target frag_desc/msdu_ext bank configuration message. 1421 * The message contains the based address and the min and max id of the 1422 * MSDU_EXT/FRAG_DESC that will be used by the HTT to map MSDU DESC and 1423 * MSDU_EXT/FRAG_DESC. 1424 * HTT will use id in HTT descriptor instead sending the frag_desc_ptr. 1425 * For QCA988X HW the firmware will use fragment_desc_ptr but in WIFI2.0 1426 * the hardware does the mapping/translation. 1427 * 1428 * Total banks that can be configured is configured to 16. 1429 * 1430 * This should be called before any TX has be initiated by the HTT 1431 * 1432 * |31 16|15 8|7 5|4 0| 1433 * |------------------------------------------------------------| 1434 * | DESC_SIZE | NUM_BANKS | RES |SWP|pdev| msg type | 1435 * |------------------------------------------------------------| 1436 * | BANK0_BASE_ADDRESS | 1437 * |------------------------------------------------------------| 1438 * | ... | 1439 * |------------------------------------------------------------| 1440 * | BANK15_BASE_ADDRESS | 1441 * |------------------------------------------------------------| 1442 * | BANK0_MAX_ID | BANK0_MIN_ID | 1443 * |------------------------------------------------------------| 1444 * | ... | 1445 * |------------------------------------------------------------| 1446 * | BANK15_MAX_ID | BANK15_MIN_ID | 1447 * |------------------------------------------------------------| 1448 * Header fields: 1449 * - MSG_TYPE 1450 * Bits 7:0 1451 * Value: 0x6 1452 * - BANKx_BASE_ADDRESS 1453 * Bits 31:0 1454 * Purpose: Provide a mechanism to specify the base address of the MSDU_EXT 1455 * bank physical/bus address. 1456 * - BANKx_MIN_ID 1457 * Bits 15:0 1458 * Purpose: Provide a mechanism to specify the min index that needs to 1459 * mapped. 1460 * - BANKx_MAX_ID 1461 * Bits 31:16 1462 * Purpose: Provide a mechanism to specify the max index that needs to 1463 * 1464 */ 1465 struct htt_frag_desc_bank_id { 1466 __le16 bank_min_id; 1467 __le16 bank_max_id; 1468 } __packed; 1469 1470 /* real is 16 but it wouldn't fit in the max htt message size 1471 * so we use a conservatively safe value for now 1472 */ 1473 #define HTT_FRAG_DESC_BANK_MAX 4 1474 1475 #define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_MASK 0x03 1476 #define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_LSB 0 1477 #define HTT_FRAG_DESC_BANK_CFG_INFO_SWAP BIT(2) 1478 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID BIT(3) 1479 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_MASK BIT(4) 1480 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_LSB 4 1481 1482 enum htt_q_depth_type { 1483 HTT_Q_DEPTH_TYPE_BYTES = 0, 1484 HTT_Q_DEPTH_TYPE_MSDUS = 1, 1485 }; 1486 1487 #define HTT_TX_Q_STATE_NUM_PEERS (TARGET_10_4_NUM_QCACHE_PEERS_MAX + \ 1488 TARGET_10_4_NUM_VDEVS) 1489 #define HTT_TX_Q_STATE_NUM_TIDS 8 1490 #define HTT_TX_Q_STATE_ENTRY_SIZE 1 1491 #define HTT_TX_Q_STATE_ENTRY_MULTIPLIER 0 1492 1493 /** 1494 * htt_q_state_conf - part of htt_frag_desc_bank_cfg for host q state config 1495 * 1496 * Defines host q state format and behavior. See htt_q_state. 1497 * 1498 * @record_size: Defines the size of each host q entry in bytes. In practice 1499 * however firmware (at least 10.4.3-00191) ignores this host 1500 * configuration value and uses hardcoded value of 1. 1501 * @record_multiplier: This is valid only when q depth type is MSDUs. It 1502 * defines the exponent for the power of 2 multiplication. 1503 */ 1504 struct htt_q_state_conf { 1505 __le32 paddr; 1506 __le16 num_peers; 1507 __le16 num_tids; 1508 u8 record_size; 1509 u8 record_multiplier; 1510 u8 pad[2]; 1511 } __packed; 1512 1513 struct htt_frag_desc_bank_cfg32 { 1514 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */ 1515 u8 num_banks; 1516 u8 desc_size; 1517 __le32 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX]; 1518 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX]; 1519 struct htt_q_state_conf q_state; 1520 } __packed; 1521 1522 struct htt_frag_desc_bank_cfg64 { 1523 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */ 1524 u8 num_banks; 1525 u8 desc_size; 1526 __le64 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX]; 1527 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX]; 1528 struct htt_q_state_conf q_state; 1529 } __packed; 1530 1531 #define HTT_TX_Q_STATE_ENTRY_COEFFICIENT 128 1532 #define HTT_TX_Q_STATE_ENTRY_FACTOR_MASK 0x3f 1533 #define HTT_TX_Q_STATE_ENTRY_FACTOR_LSB 0 1534 #define HTT_TX_Q_STATE_ENTRY_EXP_MASK 0xc0 1535 #define HTT_TX_Q_STATE_ENTRY_EXP_LSB 6 1536 1537 /** 1538 * htt_q_state - shared between host and firmware via DMA 1539 * 1540 * This structure is used for the host to expose it's software queue state to 1541 * firmware so that its rate control can schedule fetch requests for optimized 1542 * performance. This is most notably used for MU-MIMO aggregation when multiple 1543 * MU clients are connected. 1544 * 1545 * @count: Each element defines the host queue depth. When q depth type was 1546 * configured as HTT_Q_DEPTH_TYPE_BYTES then each entry is defined as: 1547 * FACTOR * 128 * 8^EXP (see HTT_TX_Q_STATE_ENTRY_FACTOR_MASK and 1548 * HTT_TX_Q_STATE_ENTRY_EXP_MASK). When q depth type was configured as 1549 * HTT_Q_DEPTH_TYPE_MSDUS the number of packets is scaled by 2 ** 1550 * record_multiplier (see htt_q_state_conf). 1551 * @map: Used by firmware to quickly check which host queues are not empty. It 1552 * is a bitmap simply saying. 1553 * @seq: Used by firmware to quickly check if the host queues were updated 1554 * since it last checked. 1555 * 1556 * FIXME: Is the q_state map[] size calculation really correct? 1557 */ 1558 struct htt_q_state { 1559 u8 count[HTT_TX_Q_STATE_NUM_TIDS][HTT_TX_Q_STATE_NUM_PEERS]; 1560 u32 map[HTT_TX_Q_STATE_NUM_TIDS][(HTT_TX_Q_STATE_NUM_PEERS + 31) / 32]; 1561 __le32 seq; 1562 } __packed; 1563 1564 #define HTT_TX_FETCH_RECORD_INFO_PEER_ID_MASK 0x0fff 1565 #define HTT_TX_FETCH_RECORD_INFO_PEER_ID_LSB 0 1566 #define HTT_TX_FETCH_RECORD_INFO_TID_MASK 0xf000 1567 #define HTT_TX_FETCH_RECORD_INFO_TID_LSB 12 1568 1569 struct htt_tx_fetch_record { 1570 __le16 info; /* HTT_TX_FETCH_IND_RECORD_INFO_ */ 1571 __le16 num_msdus; 1572 __le32 num_bytes; 1573 } __packed; 1574 1575 struct htt_tx_fetch_ind { 1576 u8 pad0; 1577 __le16 fetch_seq_num; 1578 __le32 token; 1579 __le16 num_resp_ids; 1580 __le16 num_records; 1581 union { 1582 /* ath10k_htt_get_tx_fetch_ind_resp_ids() */ 1583 DECLARE_FLEX_ARRAY(__le32, resp_ids); 1584 DECLARE_FLEX_ARRAY(struct htt_tx_fetch_record, records); 1585 }; 1586 } __packed; 1587 1588 static inline void * 1589 ath10k_htt_get_tx_fetch_ind_resp_ids(struct htt_tx_fetch_ind *ind) 1590 { 1591 return (void *)&ind->records[le16_to_cpu(ind->num_records)]; 1592 } 1593 1594 struct htt_tx_fetch_resp { 1595 u8 pad0; 1596 __le16 resp_id; 1597 __le16 fetch_seq_num; 1598 __le16 num_records; 1599 __le32 token; 1600 struct htt_tx_fetch_record records[]; 1601 } __packed; 1602 1603 struct htt_tx_fetch_confirm { 1604 u8 pad0; 1605 __le16 num_resp_ids; 1606 __le32 resp_ids[]; 1607 } __packed; 1608 1609 enum htt_tx_mode_switch_mode { 1610 HTT_TX_MODE_SWITCH_PUSH = 0, 1611 HTT_TX_MODE_SWITCH_PUSH_PULL = 1, 1612 }; 1613 1614 #define HTT_TX_MODE_SWITCH_IND_INFO0_ENABLE BIT(0) 1615 #define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_MASK 0xfffe 1616 #define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_LSB 1 1617 1618 #define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_MASK 0x0003 1619 #define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_LSB 0 1620 #define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_MASK 0xfffc 1621 #define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_LSB 2 1622 1623 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_MASK 0x0fff 1624 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_LSB 0 1625 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_MASK 0xf000 1626 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_LSB 12 1627 1628 struct htt_tx_mode_switch_record { 1629 __le16 info0; /* HTT_TX_MODE_SWITCH_RECORD_INFO0_ */ 1630 __le16 num_max_msdus; 1631 } __packed; 1632 1633 struct htt_tx_mode_switch_ind { 1634 u8 pad0; 1635 __le16 info0; /* HTT_TX_MODE_SWITCH_IND_INFO0_ */ 1636 __le16 info1; /* HTT_TX_MODE_SWITCH_IND_INFO1_ */ 1637 u8 pad1[2]; 1638 struct htt_tx_mode_switch_record records[]; 1639 } __packed; 1640 1641 struct htt_channel_change { 1642 u8 pad[3]; 1643 __le32 freq; 1644 __le32 center_freq1; 1645 __le32 center_freq2; 1646 __le32 phymode; 1647 } __packed; 1648 1649 struct htt_per_peer_tx_stats_ind { 1650 __le32 succ_bytes; 1651 __le32 retry_bytes; 1652 __le32 failed_bytes; 1653 u8 ratecode; 1654 u8 flags; 1655 __le16 peer_id; 1656 __le16 succ_pkts; 1657 __le16 retry_pkts; 1658 __le16 failed_pkts; 1659 __le16 tx_duration; 1660 __le32 reserved1; 1661 __le32 reserved2; 1662 } __packed; 1663 1664 struct htt_peer_tx_stats { 1665 u8 num_ppdu; 1666 u8 ppdu_len; 1667 u8 version; 1668 u8 payload[]; 1669 } __packed; 1670 1671 #define ATH10K_10_2_TX_STATS_OFFSET 136 1672 #define PEER_STATS_FOR_NO_OF_PPDUS 4 1673 1674 struct ath10k_10_2_peer_tx_stats { 1675 u8 ratecode[PEER_STATS_FOR_NO_OF_PPDUS]; 1676 u8 success_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1677 __le16 success_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1678 u8 retry_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1679 __le16 retry_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1680 u8 failed_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1681 __le16 failed_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1682 u8 flags[PEER_STATS_FOR_NO_OF_PPDUS]; 1683 __le32 tx_duration; 1684 u8 tx_ppdu_cnt; 1685 u8 peer_id; 1686 } __packed; 1687 1688 union htt_rx_pn_t { 1689 /* WEP: 24-bit PN */ 1690 u32 pn24; 1691 1692 /* TKIP or CCMP: 48-bit PN */ 1693 u64 pn48; 1694 1695 /* WAPI: 128-bit PN */ 1696 u64 pn128[2]; 1697 }; 1698 1699 struct htt_cmd { 1700 struct htt_cmd_hdr hdr; 1701 union { 1702 struct htt_ver_req ver_req; 1703 struct htt_mgmt_tx_desc mgmt_tx; 1704 struct htt_data_tx_desc data_tx; 1705 struct htt_rx_ring_setup_32 rx_setup_32; 1706 struct htt_rx_ring_setup_64 rx_setup_64; 1707 struct htt_stats_req stats_req; 1708 struct htt_oob_sync_req oob_sync_req; 1709 struct htt_aggr_conf aggr_conf; 1710 struct htt_aggr_conf_v2 aggr_conf_v2; 1711 struct htt_frag_desc_bank_cfg32 frag_desc_bank_cfg32; 1712 struct htt_frag_desc_bank_cfg64 frag_desc_bank_cfg64; 1713 struct htt_tx_fetch_resp tx_fetch_resp; 1714 }; 1715 } __packed; 1716 1717 struct htt_resp { 1718 struct htt_resp_hdr hdr; 1719 union { 1720 struct htt_ver_resp ver_resp; 1721 struct htt_mgmt_tx_completion mgmt_tx_completion; 1722 struct htt_data_tx_completion data_tx_completion; 1723 struct htt_rx_indication rx_ind; 1724 struct htt_rx_indication_hl rx_ind_hl; 1725 struct htt_rx_fragment_indication rx_frag_ind; 1726 struct htt_rx_peer_map peer_map; 1727 struct htt_rx_peer_unmap peer_unmap; 1728 struct htt_rx_flush rx_flush; 1729 struct htt_rx_addba rx_addba; 1730 struct htt_rx_delba rx_delba; 1731 struct htt_security_indication security_indication; 1732 struct htt_rc_update rc_update; 1733 struct htt_rx_test rx_test; 1734 struct htt_pktlog_msg pktlog_msg; 1735 struct htt_rx_pn_ind rx_pn_ind; 1736 struct htt_rx_offload_ind rx_offload_ind; 1737 struct htt_rx_in_ord_ind rx_in_ord_ind; 1738 struct htt_tx_fetch_ind tx_fetch_ind; 1739 struct htt_tx_fetch_confirm tx_fetch_confirm; 1740 struct htt_tx_mode_switch_ind tx_mode_switch_ind; 1741 struct htt_channel_change chan_change; 1742 struct htt_peer_tx_stats peer_tx_stats; 1743 }; 1744 } __packed; 1745 1746 /*** host side structures follow ***/ 1747 1748 struct htt_tx_done { 1749 u16 msdu_id; 1750 u16 status; 1751 u8 ack_rssi; 1752 }; 1753 1754 enum htt_tx_compl_state { 1755 HTT_TX_COMPL_STATE_NONE, 1756 HTT_TX_COMPL_STATE_ACK, 1757 HTT_TX_COMPL_STATE_NOACK, 1758 HTT_TX_COMPL_STATE_DISCARD, 1759 }; 1760 1761 struct htt_peer_map_event { 1762 u8 vdev_id; 1763 u16 peer_id; 1764 u8 addr[ETH_ALEN]; 1765 }; 1766 1767 struct htt_peer_unmap_event { 1768 u16 peer_id; 1769 }; 1770 1771 struct ath10k_htt_txbuf_32 { 1772 struct htt_data_tx_desc_frag frags[2]; 1773 struct ath10k_htc_hdr htc_hdr; 1774 struct htt_cmd_hdr cmd_hdr; 1775 struct htt_data_tx_desc cmd_tx; 1776 } __packed __aligned(4); 1777 1778 struct ath10k_htt_txbuf_64 { 1779 struct htt_data_tx_desc_frag frags[2]; 1780 struct ath10k_htc_hdr htc_hdr; 1781 struct htt_cmd_hdr cmd_hdr; 1782 struct htt_data_tx_desc_64 cmd_tx; 1783 } __packed __aligned(4); 1784 1785 struct ath10k_htt { 1786 struct ath10k *ar; 1787 enum ath10k_htc_ep_id eid; 1788 1789 struct sk_buff_head rx_indication_head; 1790 1791 u8 target_version_major; 1792 u8 target_version_minor; 1793 struct completion target_version_received; 1794 u8 max_num_amsdu; 1795 u8 max_num_ampdu; 1796 1797 const enum htt_t2h_msg_type *t2h_msg_types; 1798 u32 t2h_msg_types_max; 1799 1800 struct { 1801 /* 1802 * Ring of network buffer objects - This ring is 1803 * used exclusively by the host SW. This ring 1804 * mirrors the dev_addrs_ring that is shared 1805 * between the host SW and the MAC HW. The host SW 1806 * uses this netbufs ring to locate the network 1807 * buffer objects whose data buffers the HW has 1808 * filled. 1809 */ 1810 struct sk_buff **netbufs_ring; 1811 1812 /* This is used only with firmware supporting IN_ORD_IND. 1813 * 1814 * With Full Rx Reorder the HTT Rx Ring is more of a temporary 1815 * buffer ring from which buffer addresses are copied by the 1816 * firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND 1817 * pointing to specific (re-ordered) buffers. 1818 * 1819 * FIXME: With kernel generic hashing functions there's a lot 1820 * of hash collisions for sk_buffs. 1821 */ 1822 bool in_ord_rx; 1823 DECLARE_HASHTABLE(skb_table, 4); 1824 1825 /* 1826 * Ring of buffer addresses - 1827 * This ring holds the "physical" device address of the 1828 * rx buffers the host SW provides for the MAC HW to 1829 * fill. 1830 */ 1831 union { 1832 __le64 *paddrs_ring_64; 1833 __le32 *paddrs_ring_32; 1834 }; 1835 1836 /* 1837 * Base address of ring, as a "physical" device address 1838 * rather than a CPU address. 1839 */ 1840 dma_addr_t base_paddr; 1841 1842 /* how many elems in the ring (power of 2) */ 1843 int size; 1844 1845 /* size - 1 */ 1846 unsigned int size_mask; 1847 1848 /* how many rx buffers to keep in the ring */ 1849 int fill_level; 1850 1851 /* how many rx buffers (full+empty) are in the ring */ 1852 int fill_cnt; 1853 1854 /* 1855 * alloc_idx - where HTT SW has deposited empty buffers 1856 * This is allocated in consistent mem, so that the FW can 1857 * read this variable, and program the HW's FW_IDX reg with 1858 * the value of this shadow register. 1859 */ 1860 struct { 1861 __le32 *vaddr; 1862 dma_addr_t paddr; 1863 } alloc_idx; 1864 1865 /* where HTT SW has processed bufs filled by rx MAC DMA */ 1866 struct { 1867 unsigned int msdu_payld; 1868 } sw_rd_idx; 1869 1870 /* 1871 * refill_retry_timer - timer triggered when the ring is 1872 * not refilled to the level expected 1873 */ 1874 struct timer_list refill_retry_timer; 1875 1876 /* Protects access to all rx ring buffer state variables */ 1877 spinlock_t lock; 1878 } rx_ring; 1879 1880 unsigned int prefetch_len; 1881 1882 /* Protects access to pending_tx, num_pending_tx */ 1883 spinlock_t tx_lock; 1884 int max_num_pending_tx; 1885 int num_pending_tx; 1886 int num_pending_mgmt_tx; 1887 struct idr pending_tx; 1888 wait_queue_head_t empty_tx_wq; 1889 1890 /* FIFO for storing tx done status {ack, no-ack, discard} and msdu id */ 1891 DECLARE_KFIFO_PTR(txdone_fifo, struct htt_tx_done); 1892 1893 /* set if host-fw communication goes haywire 1894 * used to avoid further failures 1895 */ 1896 bool rx_confused; 1897 atomic_t num_mpdus_ready; 1898 1899 /* This is used to group tx/rx completions separately and process them 1900 * in batches to reduce cache stalls 1901 */ 1902 struct sk_buff_head rx_msdus_q; 1903 struct sk_buff_head rx_in_ord_compl_q; 1904 struct sk_buff_head tx_fetch_ind_q; 1905 1906 /* rx_status template */ 1907 struct ieee80211_rx_status rx_status; 1908 1909 struct { 1910 dma_addr_t paddr; 1911 union { 1912 struct htt_msdu_ext_desc *vaddr_desc_32; 1913 struct htt_msdu_ext_desc_64 *vaddr_desc_64; 1914 }; 1915 size_t size; 1916 } frag_desc; 1917 1918 struct { 1919 dma_addr_t paddr; 1920 union { 1921 struct ath10k_htt_txbuf_32 *vaddr_txbuff_32; 1922 struct ath10k_htt_txbuf_64 *vaddr_txbuff_64; 1923 }; 1924 size_t size; 1925 } txbuf; 1926 1927 struct { 1928 bool enabled; 1929 struct htt_q_state *vaddr; 1930 dma_addr_t paddr; 1931 u16 num_push_allowed; 1932 u16 num_peers; 1933 u16 num_tids; 1934 enum htt_tx_mode_switch_mode mode; 1935 enum htt_q_depth_type type; 1936 } tx_q_state; 1937 1938 bool tx_mem_allocated; 1939 const struct ath10k_htt_tx_ops *tx_ops; 1940 const struct ath10k_htt_rx_ops *rx_ops; 1941 bool disable_tx_comp; 1942 bool bundle_tx; 1943 struct sk_buff_head tx_req_head; 1944 struct sk_buff_head tx_complete_head; 1945 }; 1946 1947 struct ath10k_htt_tx_ops { 1948 int (*htt_send_rx_ring_cfg)(struct ath10k_htt *htt); 1949 int (*htt_send_frag_desc_bank_cfg)(struct ath10k_htt *htt); 1950 int (*htt_alloc_frag_desc)(struct ath10k_htt *htt); 1951 void (*htt_free_frag_desc)(struct ath10k_htt *htt); 1952 int (*htt_tx)(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode, 1953 struct sk_buff *msdu); 1954 int (*htt_alloc_txbuff)(struct ath10k_htt *htt); 1955 void (*htt_free_txbuff)(struct ath10k_htt *htt); 1956 int (*htt_h2t_aggr_cfg_msg)(struct ath10k_htt *htt, 1957 u8 max_subfrms_ampdu, 1958 u8 max_subfrms_amsdu); 1959 void (*htt_flush_tx)(struct ath10k_htt *htt); 1960 }; 1961 1962 static inline int ath10k_htt_send_rx_ring_cfg(struct ath10k_htt *htt) 1963 { 1964 if (!htt->tx_ops->htt_send_rx_ring_cfg) 1965 return -EOPNOTSUPP; 1966 1967 return htt->tx_ops->htt_send_rx_ring_cfg(htt); 1968 } 1969 1970 static inline int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt) 1971 { 1972 if (!htt->tx_ops->htt_send_frag_desc_bank_cfg) 1973 return -EOPNOTSUPP; 1974 1975 return htt->tx_ops->htt_send_frag_desc_bank_cfg(htt); 1976 } 1977 1978 static inline int ath10k_htt_alloc_frag_desc(struct ath10k_htt *htt) 1979 { 1980 if (!htt->tx_ops->htt_alloc_frag_desc) 1981 return -EOPNOTSUPP; 1982 1983 return htt->tx_ops->htt_alloc_frag_desc(htt); 1984 } 1985 1986 static inline void ath10k_htt_free_frag_desc(struct ath10k_htt *htt) 1987 { 1988 if (htt->tx_ops->htt_free_frag_desc) 1989 htt->tx_ops->htt_free_frag_desc(htt); 1990 } 1991 1992 static inline int ath10k_htt_tx(struct ath10k_htt *htt, 1993 enum ath10k_hw_txrx_mode txmode, 1994 struct sk_buff *msdu) 1995 { 1996 return htt->tx_ops->htt_tx(htt, txmode, msdu); 1997 } 1998 1999 static inline void ath10k_htt_flush_tx(struct ath10k_htt *htt) 2000 { 2001 if (htt->tx_ops->htt_flush_tx) 2002 htt->tx_ops->htt_flush_tx(htt); 2003 } 2004 2005 static inline int ath10k_htt_alloc_txbuff(struct ath10k_htt *htt) 2006 { 2007 if (!htt->tx_ops->htt_alloc_txbuff) 2008 return -EOPNOTSUPP; 2009 2010 return htt->tx_ops->htt_alloc_txbuff(htt); 2011 } 2012 2013 static inline void ath10k_htt_free_txbuff(struct ath10k_htt *htt) 2014 { 2015 if (htt->tx_ops->htt_free_txbuff) 2016 htt->tx_ops->htt_free_txbuff(htt); 2017 } 2018 2019 static inline int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt, 2020 u8 max_subfrms_ampdu, 2021 u8 max_subfrms_amsdu) 2022 2023 { 2024 if (!htt->tx_ops->htt_h2t_aggr_cfg_msg) 2025 return -EOPNOTSUPP; 2026 2027 return htt->tx_ops->htt_h2t_aggr_cfg_msg(htt, 2028 max_subfrms_ampdu, 2029 max_subfrms_amsdu); 2030 } 2031 2032 struct ath10k_htt_rx_ops { 2033 size_t (*htt_get_rx_ring_size)(struct ath10k_htt *htt); 2034 void (*htt_config_paddrs_ring)(struct ath10k_htt *htt, void *vaddr); 2035 void (*htt_set_paddrs_ring)(struct ath10k_htt *htt, dma_addr_t paddr, 2036 int idx); 2037 void* (*htt_get_vaddr_ring)(struct ath10k_htt *htt); 2038 void (*htt_reset_paddrs_ring)(struct ath10k_htt *htt, int idx); 2039 bool (*htt_rx_proc_rx_frag_ind)(struct ath10k_htt *htt, 2040 struct htt_rx_fragment_indication *rx, 2041 struct sk_buff *skb); 2042 }; 2043 2044 static inline size_t ath10k_htt_get_rx_ring_size(struct ath10k_htt *htt) 2045 { 2046 if (!htt->rx_ops->htt_get_rx_ring_size) 2047 return 0; 2048 2049 return htt->rx_ops->htt_get_rx_ring_size(htt); 2050 } 2051 2052 static inline void ath10k_htt_config_paddrs_ring(struct ath10k_htt *htt, 2053 void *vaddr) 2054 { 2055 if (htt->rx_ops->htt_config_paddrs_ring) 2056 htt->rx_ops->htt_config_paddrs_ring(htt, vaddr); 2057 } 2058 2059 static inline void ath10k_htt_set_paddrs_ring(struct ath10k_htt *htt, 2060 dma_addr_t paddr, 2061 int idx) 2062 { 2063 if (htt->rx_ops->htt_set_paddrs_ring) 2064 htt->rx_ops->htt_set_paddrs_ring(htt, paddr, idx); 2065 } 2066 2067 static inline void *ath10k_htt_get_vaddr_ring(struct ath10k_htt *htt) 2068 { 2069 if (!htt->rx_ops->htt_get_vaddr_ring) 2070 return NULL; 2071 2072 return htt->rx_ops->htt_get_vaddr_ring(htt); 2073 } 2074 2075 static inline void ath10k_htt_reset_paddrs_ring(struct ath10k_htt *htt, int idx) 2076 { 2077 if (htt->rx_ops->htt_reset_paddrs_ring) 2078 htt->rx_ops->htt_reset_paddrs_ring(htt, idx); 2079 } 2080 2081 static inline bool ath10k_htt_rx_proc_rx_frag_ind(struct ath10k_htt *htt, 2082 struct htt_rx_fragment_indication *rx, 2083 struct sk_buff *skb) 2084 { 2085 if (!htt->rx_ops->htt_rx_proc_rx_frag_ind) 2086 return true; 2087 2088 return htt->rx_ops->htt_rx_proc_rx_frag_ind(htt, rx, skb); 2089 } 2090 2091 /* the driver strongly assumes that the rx header status be 64 bytes long, 2092 * so all possible rx_desc structures must respect this assumption. 2093 */ 2094 #define RX_HTT_HDR_STATUS_LEN 64 2095 2096 /* The rx descriptor structure layout is programmed via rx ring setup 2097 * so that FW knows how to transfer the rx descriptor to the host. 2098 * Unfortunately, though, QCA6174's firmware doesn't currently behave correctly 2099 * when modifying the structure layout of the rx descriptor beyond what it expects 2100 * (even if it correctly programmed during the rx ring setup). 2101 * Therefore we must keep two different memory layouts, abstract the rx descriptor 2102 * representation and use ath10k_rx_desc_ops 2103 * for correctly accessing rx descriptor data. 2104 */ 2105 2106 /* base struct used for abstracting the rx descritor representation */ 2107 struct htt_rx_desc { 2108 union { 2109 /* This field is filled on the host using the msdu buffer 2110 * from htt_rx_indication 2111 */ 2112 struct fw_rx_desc_base fw_desc; 2113 u32 pad; 2114 } __packed; 2115 } __packed; 2116 2117 /* rx descriptor for wcn3990 and possibly extensible for newer cards 2118 * Buffers like this are placed on the rx ring. 2119 */ 2120 struct htt_rx_desc_v2 { 2121 struct htt_rx_desc base; 2122 struct { 2123 struct rx_attention attention; 2124 struct rx_frag_info frag_info; 2125 struct rx_mpdu_start mpdu_start; 2126 struct rx_msdu_start msdu_start; 2127 struct rx_msdu_end msdu_end; 2128 struct rx_mpdu_end mpdu_end; 2129 struct rx_ppdu_start ppdu_start; 2130 struct rx_ppdu_end ppdu_end; 2131 } __packed; 2132 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN]; 2133 u8 msdu_payload[]; 2134 }; 2135 2136 /* QCA6174, QCA988x, QCA99x0 dedicated rx descriptor to make sure their firmware 2137 * works correctly. We keep a single rx descriptor for all these three 2138 * families of cards because from tests it seems to be the most stable solution, 2139 * e.g. having a rx descriptor only for QCA6174 seldom caused firmware crashes 2140 * during some tests. 2141 * Buffers like this are placed on the rx ring. 2142 */ 2143 struct htt_rx_desc_v1 { 2144 struct htt_rx_desc base; 2145 struct { 2146 struct rx_attention attention; 2147 struct rx_frag_info_v1 frag_info; 2148 struct rx_mpdu_start mpdu_start; 2149 struct rx_msdu_start_v1 msdu_start; 2150 struct rx_msdu_end_v1 msdu_end; 2151 struct rx_mpdu_end mpdu_end; 2152 struct rx_ppdu_start ppdu_start; 2153 struct rx_ppdu_end_v1 ppdu_end; 2154 } __packed; 2155 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN]; 2156 u8 msdu_payload[]; 2157 }; 2158 2159 /* rx_desc abstraction */ 2160 struct ath10k_htt_rx_desc_ops { 2161 /* These fields are mandatory, they must be specified in any instance */ 2162 2163 /* sizeof() of the rx_desc structure used by this hw */ 2164 size_t rx_desc_size; 2165 2166 /* offset of msdu_payload inside the rx_desc structure used by this hw */ 2167 size_t rx_desc_msdu_payload_offset; 2168 2169 /* These fields are options. 2170 * When a field is not provided the default implementation gets used 2171 * (see the ath10k_rx_desc_* operations below for more info about the defaults) 2172 */ 2173 bool (*rx_desc_get_msdu_limit_error)(struct htt_rx_desc *rxd); 2174 int (*rx_desc_get_l3_pad_bytes)(struct htt_rx_desc *rxd); 2175 2176 /* Safely cast from a void* buffer containing an rx descriptor 2177 * to the proper rx_desc structure 2178 */ 2179 struct htt_rx_desc *(*rx_desc_from_raw_buffer)(void *buff); 2180 2181 void (*rx_desc_get_offsets)(struct htt_rx_ring_rx_desc_offsets *offs); 2182 struct rx_attention *(*rx_desc_get_attention)(struct htt_rx_desc *rxd); 2183 struct rx_frag_info_common *(*rx_desc_get_frag_info)(struct htt_rx_desc *rxd); 2184 struct rx_mpdu_start *(*rx_desc_get_mpdu_start)(struct htt_rx_desc *rxd); 2185 struct rx_mpdu_end *(*rx_desc_get_mpdu_end)(struct htt_rx_desc *rxd); 2186 struct rx_msdu_start_common *(*rx_desc_get_msdu_start)(struct htt_rx_desc *rxd); 2187 struct rx_msdu_end_common *(*rx_desc_get_msdu_end)(struct htt_rx_desc *rxd); 2188 struct rx_ppdu_start *(*rx_desc_get_ppdu_start)(struct htt_rx_desc *rxd); 2189 struct rx_ppdu_end_common *(*rx_desc_get_ppdu_end)(struct htt_rx_desc *rxd); 2190 u8 *(*rx_desc_get_rx_hdr_status)(struct htt_rx_desc *rxd); 2191 u8 *(*rx_desc_get_msdu_payload)(struct htt_rx_desc *rxd); 2192 }; 2193 2194 extern const struct ath10k_htt_rx_desc_ops qca988x_rx_desc_ops; 2195 extern const struct ath10k_htt_rx_desc_ops qca99x0_rx_desc_ops; 2196 extern const struct ath10k_htt_rx_desc_ops wcn3990_rx_desc_ops; 2197 2198 static inline int 2199 ath10k_htt_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2200 { 2201 if (hw->rx_desc_ops->rx_desc_get_l3_pad_bytes) 2202 return hw->rx_desc_ops->rx_desc_get_l3_pad_bytes(rxd); 2203 return 0; 2204 } 2205 2206 static inline bool 2207 ath10k_htt_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2208 { 2209 if (hw->rx_desc_ops->rx_desc_get_msdu_limit_error) 2210 return hw->rx_desc_ops->rx_desc_get_msdu_limit_error(rxd); 2211 return false; 2212 } 2213 2214 /* The default implementation of all these getters is using the old rx_desc, 2215 * so that it is easier to define the ath10k_htt_rx_desc_ops instances. 2216 * But probably, if new wireless cards must be supported, it would be better 2217 * to switch the default implementation to the new rx_desc, since this would 2218 * make the extension easier . 2219 */ 2220 static inline struct htt_rx_desc * 2221 ath10k_htt_rx_desc_from_raw_buffer(struct ath10k_hw_params *hw, void *buff) 2222 { 2223 if (hw->rx_desc_ops->rx_desc_from_raw_buffer) 2224 return hw->rx_desc_ops->rx_desc_from_raw_buffer(buff); 2225 return &((struct htt_rx_desc_v1 *)buff)->base; 2226 } 2227 2228 static inline void 2229 ath10k_htt_rx_desc_get_offsets(struct ath10k_hw_params *hw, 2230 struct htt_rx_ring_rx_desc_offsets *off) 2231 { 2232 if (hw->rx_desc_ops->rx_desc_get_offsets) { 2233 hw->rx_desc_ops->rx_desc_get_offsets(off); 2234 } else { 2235 #define desc_offset(x) (offsetof(struct htt_rx_desc_v1, x) / 4) 2236 off->mac80211_hdr_offset = __cpu_to_le16(desc_offset(rx_hdr_status)); 2237 off->msdu_payload_offset = __cpu_to_le16(desc_offset(msdu_payload)); 2238 off->ppdu_start_offset = __cpu_to_le16(desc_offset(ppdu_start)); 2239 off->ppdu_end_offset = __cpu_to_le16(desc_offset(ppdu_end)); 2240 off->mpdu_start_offset = __cpu_to_le16(desc_offset(mpdu_start)); 2241 off->mpdu_end_offset = __cpu_to_le16(desc_offset(mpdu_end)); 2242 off->msdu_start_offset = __cpu_to_le16(desc_offset(msdu_start)); 2243 off->msdu_end_offset = __cpu_to_le16(desc_offset(msdu_end)); 2244 off->rx_attention_offset = __cpu_to_le16(desc_offset(attention)); 2245 off->frag_info_offset = __cpu_to_le16(desc_offset(frag_info)); 2246 #undef desc_offset 2247 } 2248 } 2249 2250 static inline struct rx_attention * 2251 ath10k_htt_rx_desc_get_attention(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2252 { 2253 struct htt_rx_desc_v1 *rx_desc; 2254 2255 if (hw->rx_desc_ops->rx_desc_get_attention) 2256 return hw->rx_desc_ops->rx_desc_get_attention(rxd); 2257 2258 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2259 return &rx_desc->attention; 2260 } 2261 2262 static inline struct rx_frag_info_common * 2263 ath10k_htt_rx_desc_get_frag_info(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2264 { 2265 struct htt_rx_desc_v1 *rx_desc; 2266 2267 if (hw->rx_desc_ops->rx_desc_get_frag_info) 2268 return hw->rx_desc_ops->rx_desc_get_frag_info(rxd); 2269 2270 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2271 return &rx_desc->frag_info.common; 2272 } 2273 2274 static inline struct rx_mpdu_start * 2275 ath10k_htt_rx_desc_get_mpdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2276 { 2277 struct htt_rx_desc_v1 *rx_desc; 2278 2279 if (hw->rx_desc_ops->rx_desc_get_mpdu_start) 2280 return hw->rx_desc_ops->rx_desc_get_mpdu_start(rxd); 2281 2282 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2283 return &rx_desc->mpdu_start; 2284 } 2285 2286 static inline struct rx_mpdu_end * 2287 ath10k_htt_rx_desc_get_mpdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2288 { 2289 struct htt_rx_desc_v1 *rx_desc; 2290 2291 if (hw->rx_desc_ops->rx_desc_get_mpdu_end) 2292 return hw->rx_desc_ops->rx_desc_get_mpdu_end(rxd); 2293 2294 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2295 return &rx_desc->mpdu_end; 2296 } 2297 2298 static inline struct rx_msdu_start_common * 2299 ath10k_htt_rx_desc_get_msdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2300 { 2301 struct htt_rx_desc_v1 *rx_desc; 2302 2303 if (hw->rx_desc_ops->rx_desc_get_msdu_start) 2304 return hw->rx_desc_ops->rx_desc_get_msdu_start(rxd); 2305 2306 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2307 return &rx_desc->msdu_start.common; 2308 } 2309 2310 static inline struct rx_msdu_end_common * 2311 ath10k_htt_rx_desc_get_msdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2312 { 2313 struct htt_rx_desc_v1 *rx_desc; 2314 2315 if (hw->rx_desc_ops->rx_desc_get_msdu_end) 2316 return hw->rx_desc_ops->rx_desc_get_msdu_end(rxd); 2317 2318 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2319 return &rx_desc->msdu_end.common; 2320 } 2321 2322 static inline struct rx_ppdu_start * 2323 ath10k_htt_rx_desc_get_ppdu_start(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2324 { 2325 struct htt_rx_desc_v1 *rx_desc; 2326 2327 if (hw->rx_desc_ops->rx_desc_get_ppdu_start) 2328 return hw->rx_desc_ops->rx_desc_get_ppdu_start(rxd); 2329 2330 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2331 return &rx_desc->ppdu_start; 2332 } 2333 2334 static inline struct rx_ppdu_end_common * 2335 ath10k_htt_rx_desc_get_ppdu_end(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2336 { 2337 struct htt_rx_desc_v1 *rx_desc; 2338 2339 if (hw->rx_desc_ops->rx_desc_get_ppdu_end) 2340 return hw->rx_desc_ops->rx_desc_get_ppdu_end(rxd); 2341 2342 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2343 return &rx_desc->ppdu_end.common; 2344 } 2345 2346 static inline u8 * 2347 ath10k_htt_rx_desc_get_rx_hdr_status(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2348 { 2349 struct htt_rx_desc_v1 *rx_desc; 2350 2351 if (hw->rx_desc_ops->rx_desc_get_rx_hdr_status) 2352 return hw->rx_desc_ops->rx_desc_get_rx_hdr_status(rxd); 2353 2354 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2355 return rx_desc->rx_hdr_status; 2356 } 2357 2358 static inline u8 * 2359 ath10k_htt_rx_desc_get_msdu_payload(struct ath10k_hw_params *hw, struct htt_rx_desc *rxd) 2360 { 2361 struct htt_rx_desc_v1 *rx_desc; 2362 2363 if (hw->rx_desc_ops->rx_desc_get_msdu_payload) 2364 return hw->rx_desc_ops->rx_desc_get_msdu_payload(rxd); 2365 2366 rx_desc = container_of(rxd, struct htt_rx_desc_v1, base); 2367 return rx_desc->msdu_payload; 2368 } 2369 2370 #define HTT_RX_DESC_HL_INFO_SEQ_NUM_MASK 0x00000fff 2371 #define HTT_RX_DESC_HL_INFO_SEQ_NUM_LSB 0 2372 #define HTT_RX_DESC_HL_INFO_ENCRYPTED_MASK 0x00001000 2373 #define HTT_RX_DESC_HL_INFO_ENCRYPTED_LSB 12 2374 #define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_MASK 0x00002000 2375 #define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_LSB 13 2376 #define HTT_RX_DESC_HL_INFO_MCAST_BCAST_MASK 0x00010000 2377 #define HTT_RX_DESC_HL_INFO_MCAST_BCAST_LSB 16 2378 #define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_MASK 0x01fe0000 2379 #define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_LSB 17 2380 2381 struct htt_rx_desc_base_hl { 2382 __le32 info; /* HTT_RX_DESC_HL_INFO_ */ 2383 }; 2384 2385 struct htt_rx_chan_info { 2386 __le16 primary_chan_center_freq_mhz; 2387 __le16 contig_chan1_center_freq_mhz; 2388 __le16 contig_chan2_center_freq_mhz; 2389 u8 phy_mode; 2390 u8 reserved; 2391 } __packed; 2392 2393 #define HTT_RX_DESC_ALIGN 8 2394 2395 #define HTT_MAC_ADDR_LEN 6 2396 2397 /* 2398 * FIX THIS 2399 * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size, 2400 * rounded up to a cache line size. 2401 */ 2402 #define HTT_RX_BUF_SIZE 2048 2403 2404 /* The HTT_RX_MSDU_SIZE can't be statically computed anymore, 2405 * because it depends on the underlying device rx_desc representation 2406 */ 2407 static inline int ath10k_htt_rx_msdu_size(struct ath10k_hw_params *hw) 2408 { 2409 return HTT_RX_BUF_SIZE - (int)hw->rx_desc_ops->rx_desc_size; 2410 } 2411 2412 /* Refill a bunch of RX buffers for each refill round so that FW/HW can handle 2413 * aggregated traffic more nicely. 2414 */ 2415 #define ATH10K_HTT_MAX_NUM_REFILL 100 2416 2417 /* 2418 * DMA_MAP expects the buffer to be an integral number of cache lines. 2419 * Rather than checking the actual cache line size, this code makes a 2420 * conservative estimate of what the cache line size could be. 2421 */ 2422 #define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */ 2423 #define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1) 2424 2425 /* These values are default in most firmware revisions and apparently are a 2426 * sweet spot performance wise. 2427 */ 2428 #define ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT 3 2429 #define ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT 64 2430 2431 int ath10k_htt_connect(struct ath10k_htt *htt); 2432 int ath10k_htt_init(struct ath10k *ar); 2433 int ath10k_htt_setup(struct ath10k_htt *htt); 2434 2435 int ath10k_htt_tx_start(struct ath10k_htt *htt); 2436 void ath10k_htt_tx_stop(struct ath10k_htt *htt); 2437 void ath10k_htt_tx_destroy(struct ath10k_htt *htt); 2438 void ath10k_htt_tx_free(struct ath10k_htt *htt); 2439 2440 int ath10k_htt_rx_alloc(struct ath10k_htt *htt); 2441 int ath10k_htt_rx_ring_refill(struct ath10k *ar); 2442 void ath10k_htt_rx_free(struct ath10k_htt *htt); 2443 2444 void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb); 2445 void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); 2446 bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); 2447 int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt); 2448 int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask, 2449 u64 cookie); 2450 void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb); 2451 int ath10k_htt_tx_fetch_resp(struct ath10k *ar, 2452 __le32 token, 2453 __le16 fetch_seq_num, 2454 struct htt_tx_fetch_record *records, 2455 size_t num_records); 2456 void ath10k_htt_op_ep_tx_credits(struct ath10k *ar); 2457 2458 void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw, 2459 struct ieee80211_txq *txq); 2460 void ath10k_htt_tx_txq_recalc(struct ieee80211_hw *hw, 2461 struct ieee80211_txq *txq); 2462 void ath10k_htt_tx_txq_sync(struct ath10k *ar); 2463 void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt); 2464 int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt); 2465 void ath10k_htt_tx_mgmt_dec_pending(struct ath10k_htt *htt); 2466 int ath10k_htt_tx_mgmt_inc_pending(struct ath10k_htt *htt, bool is_mgmt, 2467 bool is_presp); 2468 2469 int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb); 2470 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id); 2471 int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu); 2472 void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar, 2473 struct sk_buff *skb); 2474 int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget); 2475 int ath10k_htt_rx_hl_indication(struct ath10k *ar, int budget); 2476 void ath10k_htt_set_tx_ops(struct ath10k_htt *htt); 2477 void ath10k_htt_set_rx_ops(struct ath10k_htt *htt); 2478 #endif 2479