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