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_setup_ring32 { 244 __le32 fw_idx_shadow_reg_paddr; 245 __le32 rx_ring_base_paddr; 246 __le16 rx_ring_len; /* in 4-byte words */ 247 __le16 rx_ring_bufsize; /* rx skb size - in bytes */ 248 __le16 flags; /* %HTT_RX_RING_FLAGS_ */ 249 __le16 fw_idx_init_val; 250 251 /* the following offsets are in 4-byte units */ 252 __le16 mac80211_hdr_offset; 253 __le16 msdu_payload_offset; 254 __le16 ppdu_start_offset; 255 __le16 ppdu_end_offset; 256 __le16 mpdu_start_offset; 257 __le16 mpdu_end_offset; 258 __le16 msdu_start_offset; 259 __le16 msdu_end_offset; 260 __le16 rx_attention_offset; 261 __le16 frag_info_offset; 262 } __packed; 263 264 struct htt_rx_ring_setup_ring64 { 265 __le64 fw_idx_shadow_reg_paddr; 266 __le64 rx_ring_base_paddr; 267 __le16 rx_ring_len; /* in 4-byte words */ 268 __le16 rx_ring_bufsize; /* rx skb size - in bytes */ 269 __le16 flags; /* %HTT_RX_RING_FLAGS_ */ 270 __le16 fw_idx_init_val; 271 272 /* the following offsets are in 4-byte units */ 273 __le16 mac80211_hdr_offset; 274 __le16 msdu_payload_offset; 275 __le16 ppdu_start_offset; 276 __le16 ppdu_end_offset; 277 __le16 mpdu_start_offset; 278 __le16 mpdu_end_offset; 279 __le16 msdu_start_offset; 280 __le16 msdu_end_offset; 281 __le16 rx_attention_offset; 282 __le16 frag_info_offset; 283 } __packed; 284 285 struct htt_rx_ring_setup_hdr { 286 u8 num_rings; /* supported values: 1, 2 */ 287 __le16 rsvd0; 288 } __packed; 289 290 struct htt_rx_ring_setup_32 { 291 struct htt_rx_ring_setup_hdr hdr; 292 struct htt_rx_ring_setup_ring32 rings[]; 293 } __packed; 294 295 struct htt_rx_ring_setup_64 { 296 struct htt_rx_ring_setup_hdr hdr; 297 struct htt_rx_ring_setup_ring64 rings[]; 298 } __packed; 299 300 /* 301 * htt_stats_req - request target to send specified statistics 302 * 303 * @msg_type: hardcoded %HTT_H2T_MSG_TYPE_STATS_REQ 304 * @upload_types: see %htt_dbg_stats_type. this is 24bit field actually 305 * so make sure its little-endian. 306 * @reset_types: see %htt_dbg_stats_type. this is 24bit field actually 307 * so make sure its little-endian. 308 * @cfg_val: stat_type specific configuration 309 * @stat_type: see %htt_dbg_stats_type 310 * @cookie_lsb: used for confirmation message from target->host 311 * @cookie_msb: ditto as %cookie 312 */ 313 struct htt_stats_req { 314 u8 upload_types[3]; 315 u8 rsvd0; 316 u8 reset_types[3]; 317 struct { 318 u8 mpdu_bytes; 319 u8 mpdu_num_msdus; 320 u8 msdu_bytes; 321 } __packed; 322 u8 stat_type; 323 __le32 cookie_lsb; 324 __le32 cookie_msb; 325 } __packed; 326 327 #define HTT_STATS_REQ_CFG_STAT_TYPE_INVALID 0xff 328 #define HTT_STATS_BIT_MASK GENMASK(16, 0) 329 330 /* 331 * htt_oob_sync_req - request out-of-band sync 332 * 333 * The HTT SYNC tells the target to suspend processing of subsequent 334 * HTT host-to-target messages until some other target agent locally 335 * informs the target HTT FW that the current sync counter is equal to 336 * or greater than (in a modulo sense) the sync counter specified in 337 * the SYNC message. 338 * 339 * This allows other host-target components to synchronize their operation 340 * with HTT, e.g. to ensure that tx frames don't get transmitted until a 341 * security key has been downloaded to and activated by the target. 342 * In the absence of any explicit synchronization counter value 343 * specification, the target HTT FW will use zero as the default current 344 * sync value. 345 * 346 * The HTT target FW will suspend its host->target message processing as long 347 * as 0 < (in-band sync counter - out-of-band sync counter) & 0xff < 128. 348 */ 349 struct htt_oob_sync_req { 350 u8 sync_count; 351 __le16 rsvd0; 352 } __packed; 353 354 struct htt_aggr_conf { 355 u8 max_num_ampdu_subframes; 356 /* amsdu_subframes is limited by 0x1F mask */ 357 u8 max_num_amsdu_subframes; 358 } __packed; 359 360 struct htt_aggr_conf_v2 { 361 u8 max_num_ampdu_subframes; 362 /* amsdu_subframes is limited by 0x1F mask */ 363 u8 max_num_amsdu_subframes; 364 u8 reserved; 365 } __packed; 366 367 #define HTT_MGMT_FRM_HDR_DOWNLOAD_LEN 32 368 struct htt_mgmt_tx_desc_qca99x0 { 369 __le32 rate; 370 } __packed; 371 372 struct htt_mgmt_tx_desc { 373 u8 pad[sizeof(u32) - sizeof(struct htt_cmd_hdr)]; 374 __le32 msdu_paddr; 375 __le32 desc_id; 376 __le32 len; 377 __le32 vdev_id; 378 u8 hdr[HTT_MGMT_FRM_HDR_DOWNLOAD_LEN]; 379 union { 380 struct htt_mgmt_tx_desc_qca99x0 qca99x0; 381 } __packed; 382 } __packed; 383 384 enum htt_mgmt_tx_status { 385 HTT_MGMT_TX_STATUS_OK = 0, 386 HTT_MGMT_TX_STATUS_RETRY = 1, 387 HTT_MGMT_TX_STATUS_DROP = 2 388 }; 389 390 /*=== target -> host messages ===============================================*/ 391 392 enum htt_main_t2h_msg_type { 393 HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF = 0x0, 394 HTT_MAIN_T2H_MSG_TYPE_RX_IND = 0x1, 395 HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH = 0x2, 396 HTT_MAIN_T2H_MSG_TYPE_PEER_MAP = 0x3, 397 HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 398 HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA = 0x5, 399 HTT_MAIN_T2H_MSG_TYPE_RX_DELBA = 0x6, 400 HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 401 HTT_MAIN_T2H_MSG_TYPE_PKTLOG = 0x8, 402 HTT_MAIN_T2H_MSG_TYPE_STATS_CONF = 0x9, 403 HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 404 HTT_MAIN_T2H_MSG_TYPE_SEC_IND = 0xb, 405 HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 406 HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 407 HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf, 408 HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND = 0x10, 409 HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11, 410 HTT_MAIN_T2H_MSG_TYPE_TEST, 411 /* keep this last */ 412 HTT_MAIN_T2H_NUM_MSGS 413 }; 414 415 enum htt_10x_t2h_msg_type { 416 HTT_10X_T2H_MSG_TYPE_VERSION_CONF = 0x0, 417 HTT_10X_T2H_MSG_TYPE_RX_IND = 0x1, 418 HTT_10X_T2H_MSG_TYPE_RX_FLUSH = 0x2, 419 HTT_10X_T2H_MSG_TYPE_PEER_MAP = 0x3, 420 HTT_10X_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 421 HTT_10X_T2H_MSG_TYPE_RX_ADDBA = 0x5, 422 HTT_10X_T2H_MSG_TYPE_RX_DELBA = 0x6, 423 HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 424 HTT_10X_T2H_MSG_TYPE_PKTLOG = 0x8, 425 HTT_10X_T2H_MSG_TYPE_STATS_CONF = 0x9, 426 HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 427 HTT_10X_T2H_MSG_TYPE_SEC_IND = 0xb, 428 HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, 429 HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 430 HTT_10X_T2H_MSG_TYPE_TEST = 0xe, 431 HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE = 0xf, 432 HTT_10X_T2H_MSG_TYPE_AGGR_CONF = 0x11, 433 HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x12, 434 HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0x13, 435 /* keep this last */ 436 HTT_10X_T2H_NUM_MSGS 437 }; 438 439 enum htt_tlv_t2h_msg_type { 440 HTT_TLV_T2H_MSG_TYPE_VERSION_CONF = 0x0, 441 HTT_TLV_T2H_MSG_TYPE_RX_IND = 0x1, 442 HTT_TLV_T2H_MSG_TYPE_RX_FLUSH = 0x2, 443 HTT_TLV_T2H_MSG_TYPE_PEER_MAP = 0x3, 444 HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 445 HTT_TLV_T2H_MSG_TYPE_RX_ADDBA = 0x5, 446 HTT_TLV_T2H_MSG_TYPE_RX_DELBA = 0x6, 447 HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 448 HTT_TLV_T2H_MSG_TYPE_PKTLOG = 0x8, 449 HTT_TLV_T2H_MSG_TYPE_STATS_CONF = 0x9, 450 HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 451 HTT_TLV_T2H_MSG_TYPE_SEC_IND = 0xb, 452 HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, /* deprecated */ 453 HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 454 HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 455 HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf, 456 HTT_TLV_T2H_MSG_TYPE_RX_PN_IND = 0x10, 457 HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11, 458 HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND = 0x12, 459 /* 0x13 reservd */ 460 HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE = 0x14, 461 HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE = 0x15, 462 HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR = 0x16, 463 HTT_TLV_T2H_MSG_TYPE_TEST, 464 /* keep this last */ 465 HTT_TLV_T2H_NUM_MSGS 466 }; 467 468 enum htt_10_4_t2h_msg_type { 469 HTT_10_4_T2H_MSG_TYPE_VERSION_CONF = 0x0, 470 HTT_10_4_T2H_MSG_TYPE_RX_IND = 0x1, 471 HTT_10_4_T2H_MSG_TYPE_RX_FLUSH = 0x2, 472 HTT_10_4_T2H_MSG_TYPE_PEER_MAP = 0x3, 473 HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP = 0x4, 474 HTT_10_4_T2H_MSG_TYPE_RX_ADDBA = 0x5, 475 HTT_10_4_T2H_MSG_TYPE_RX_DELBA = 0x6, 476 HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND = 0x7, 477 HTT_10_4_T2H_MSG_TYPE_PKTLOG = 0x8, 478 HTT_10_4_T2H_MSG_TYPE_STATS_CONF = 0x9, 479 HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND = 0xa, 480 HTT_10_4_T2H_MSG_TYPE_SEC_IND = 0xb, 481 HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND = 0xc, 482 HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd, 483 HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND = 0xe, 484 HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE = 0xf, 485 HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0x10, 486 HTT_10_4_T2H_MSG_TYPE_RX_PN_IND = 0x11, 487 HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x12, 488 HTT_10_4_T2H_MSG_TYPE_TEST = 0x13, 489 HTT_10_4_T2H_MSG_TYPE_EN_STATS = 0x14, 490 HTT_10_4_T2H_MSG_TYPE_AGGR_CONF = 0x15, 491 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND = 0x16, 492 HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONFIRM = 0x17, 493 HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD = 0x18, 494 /* 0x19 to 0x2f are reserved */ 495 HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND = 0x30, 496 HTT_10_4_T2H_MSG_TYPE_PEER_STATS = 0x31, 497 /* keep this last */ 498 HTT_10_4_T2H_NUM_MSGS 499 }; 500 501 enum htt_t2h_msg_type { 502 HTT_T2H_MSG_TYPE_VERSION_CONF, 503 HTT_T2H_MSG_TYPE_RX_IND, 504 HTT_T2H_MSG_TYPE_RX_FLUSH, 505 HTT_T2H_MSG_TYPE_PEER_MAP, 506 HTT_T2H_MSG_TYPE_PEER_UNMAP, 507 HTT_T2H_MSG_TYPE_RX_ADDBA, 508 HTT_T2H_MSG_TYPE_RX_DELBA, 509 HTT_T2H_MSG_TYPE_TX_COMPL_IND, 510 HTT_T2H_MSG_TYPE_PKTLOG, 511 HTT_T2H_MSG_TYPE_STATS_CONF, 512 HTT_T2H_MSG_TYPE_RX_FRAG_IND, 513 HTT_T2H_MSG_TYPE_SEC_IND, 514 HTT_T2H_MSG_TYPE_RC_UPDATE_IND, 515 HTT_T2H_MSG_TYPE_TX_INSPECT_IND, 516 HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION, 517 HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND, 518 HTT_T2H_MSG_TYPE_RX_PN_IND, 519 HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND, 520 HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND, 521 HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE, 522 HTT_T2H_MSG_TYPE_CHAN_CHANGE, 523 HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR, 524 HTT_T2H_MSG_TYPE_AGGR_CONF, 525 HTT_T2H_MSG_TYPE_STATS_NOUPLOAD, 526 HTT_T2H_MSG_TYPE_TEST, 527 HTT_T2H_MSG_TYPE_EN_STATS, 528 HTT_T2H_MSG_TYPE_TX_FETCH_IND, 529 HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM, 530 HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND, 531 HTT_T2H_MSG_TYPE_PEER_STATS, 532 /* keep this last */ 533 HTT_T2H_NUM_MSGS 534 }; 535 536 /* 537 * htt_resp_hdr - header for target-to-host messages 538 * 539 * msg_type: see htt_t2h_msg_type 540 */ 541 struct htt_resp_hdr { 542 u8 msg_type; 543 } __packed; 544 545 #define HTT_RESP_HDR_MSG_TYPE_OFFSET 0 546 #define HTT_RESP_HDR_MSG_TYPE_MASK 0xff 547 #define HTT_RESP_HDR_MSG_TYPE_LSB 0 548 549 /* htt_ver_resp - response sent for htt_ver_req */ 550 struct htt_ver_resp { 551 u8 minor; 552 u8 major; 553 u8 rsvd0; 554 } __packed; 555 556 #define HTT_MGMT_TX_CMPL_FLAG_ACK_RSSI BIT(0) 557 558 #define HTT_MGMT_TX_CMPL_INFO_ACK_RSSI_MASK GENMASK(7, 0) 559 560 struct htt_mgmt_tx_completion { 561 u8 rsvd0; 562 u8 rsvd1; 563 u8 flags; 564 __le32 desc_id; 565 __le32 status; 566 __le32 ppdu_id; 567 __le32 info; 568 } __packed; 569 570 #define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x1F) 571 #define HTT_RX_INDICATION_INFO0_EXT_TID_LSB (0) 572 #define HTT_RX_INDICATION_INFO0_FLUSH_VALID (1 << 5) 573 #define HTT_RX_INDICATION_INFO0_RELEASE_VALID (1 << 6) 574 #define HTT_RX_INDICATION_INFO0_PPDU_DURATION BIT(7) 575 576 #define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_MASK 0x0000003F 577 #define HTT_RX_INDICATION_INFO1_FLUSH_START_SEQNO_LSB 0 578 #define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_MASK 0x00000FC0 579 #define HTT_RX_INDICATION_INFO1_FLUSH_END_SEQNO_LSB 6 580 #define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_MASK 0x0003F000 581 #define HTT_RX_INDICATION_INFO1_RELEASE_START_SEQNO_LSB 12 582 #define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_MASK 0x00FC0000 583 #define HTT_RX_INDICATION_INFO1_RELEASE_END_SEQNO_LSB 18 584 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK 0xFF000000 585 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB 24 586 587 #define HTT_TX_CMPL_FLAG_DATA_RSSI BIT(0) 588 #define HTT_TX_CMPL_FLAG_PPID_PRESENT BIT(1) 589 #define HTT_TX_CMPL_FLAG_PA_PRESENT BIT(2) 590 #define HTT_TX_CMPL_FLAG_PPDU_DURATION_PRESENT BIT(3) 591 592 #define HTT_TX_DATA_RSSI_ENABLE_WCN3990 BIT(3) 593 #define HTT_TX_DATA_APPEND_RETRIES BIT(0) 594 #define HTT_TX_DATA_APPEND_TIMESTAMP BIT(1) 595 596 struct htt_rx_indication_hdr { 597 u8 info0; /* %HTT_RX_INDICATION_INFO0_ */ 598 __le16 peer_id; 599 __le32 info1; /* %HTT_RX_INDICATION_INFO1_ */ 600 } __packed; 601 602 #define HTT_RX_INDICATION_INFO0_PHY_ERR_VALID (1 << 0) 603 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_MASK (0x1E) 604 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_LSB (1) 605 #define HTT_RX_INDICATION_INFO0_LEGACY_RATE_CCK (1 << 5) 606 #define HTT_RX_INDICATION_INFO0_END_VALID (1 << 6) 607 #define HTT_RX_INDICATION_INFO0_START_VALID (1 << 7) 608 609 #define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_MASK 0x00FFFFFF 610 #define HTT_RX_INDICATION_INFO1_VHT_SIG_A1_LSB 0 611 #define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_MASK 0xFF000000 612 #define HTT_RX_INDICATION_INFO1_PREAMBLE_TYPE_LSB 24 613 614 #define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_MASK 0x00FFFFFF 615 #define HTT_RX_INDICATION_INFO2_VHT_SIG_A1_LSB 0 616 #define HTT_RX_INDICATION_INFO2_SERVICE_MASK 0xFF000000 617 #define HTT_RX_INDICATION_INFO2_SERVICE_LSB 24 618 619 enum htt_rx_legacy_rate { 620 HTT_RX_OFDM_48 = 0, 621 HTT_RX_OFDM_24 = 1, 622 HTT_RX_OFDM_12, 623 HTT_RX_OFDM_6, 624 HTT_RX_OFDM_54, 625 HTT_RX_OFDM_36, 626 HTT_RX_OFDM_18, 627 HTT_RX_OFDM_9, 628 629 /* long preamble */ 630 HTT_RX_CCK_11_LP = 0, 631 HTT_RX_CCK_5_5_LP = 1, 632 HTT_RX_CCK_2_LP, 633 HTT_RX_CCK_1_LP, 634 /* short preamble */ 635 HTT_RX_CCK_11_SP, 636 HTT_RX_CCK_5_5_SP, 637 HTT_RX_CCK_2_SP 638 }; 639 640 enum htt_rx_legacy_rate_type { 641 HTT_RX_LEGACY_RATE_OFDM = 0, 642 HTT_RX_LEGACY_RATE_CCK 643 }; 644 645 enum htt_rx_preamble_type { 646 HTT_RX_LEGACY = 0x4, 647 HTT_RX_HT = 0x8, 648 HTT_RX_HT_WITH_TXBF = 0x9, 649 HTT_RX_VHT = 0xC, 650 HTT_RX_VHT_WITH_TXBF = 0xD, 651 }; 652 653 /* 654 * Fields: phy_err_valid, phy_err_code, tsf, 655 * usec_timestamp, sub_usec_timestamp 656 * ..are valid only if end_valid == 1. 657 * 658 * Fields: rssi_chains, legacy_rate_type, 659 * legacy_rate_cck, preamble_type, service, 660 * vht_sig_* 661 * ..are valid only if start_valid == 1; 662 */ 663 struct htt_rx_indication_ppdu { 664 u8 combined_rssi; 665 u8 sub_usec_timestamp; 666 u8 phy_err_code; 667 u8 info0; /* HTT_RX_INDICATION_INFO0_ */ 668 struct { 669 u8 pri20_db; 670 u8 ext20_db; 671 u8 ext40_db; 672 u8 ext80_db; 673 } __packed rssi_chains[4]; 674 __le32 tsf; 675 __le32 usec_timestamp; 676 __le32 info1; /* HTT_RX_INDICATION_INFO1_ */ 677 __le32 info2; /* HTT_RX_INDICATION_INFO2_ */ 678 } __packed; 679 680 enum htt_rx_mpdu_status { 681 HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0, 682 HTT_RX_IND_MPDU_STATUS_OK, 683 HTT_RX_IND_MPDU_STATUS_ERR_FCS, 684 HTT_RX_IND_MPDU_STATUS_ERR_DUP, 685 HTT_RX_IND_MPDU_STATUS_ERR_REPLAY, 686 HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER, 687 /* only accept EAPOL frames */ 688 HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER, 689 HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC, 690 /* Non-data in promiscuous mode */ 691 HTT_RX_IND_MPDU_STATUS_MGMT_CTRL, 692 HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR, 693 HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR, 694 HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR, 695 HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR, 696 HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR, 697 698 /* 699 * MISC: discard for unspecified reasons. 700 * Leave this enum value last. 701 */ 702 HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF 703 }; 704 705 struct htt_rx_indication_mpdu_range { 706 u8 mpdu_count; 707 u8 mpdu_range_status; /* %htt_rx_mpdu_status */ 708 u8 pad0; 709 u8 pad1; 710 } __packed; 711 712 struct htt_rx_indication_prefix { 713 __le16 fw_rx_desc_bytes; 714 u8 pad0; 715 u8 pad1; 716 }; 717 718 struct htt_rx_indication { 719 struct htt_rx_indication_hdr hdr; 720 struct htt_rx_indication_ppdu ppdu; 721 struct htt_rx_indication_prefix prefix; 722 723 /* 724 * the following fields are both dynamically sized, so 725 * take care addressing them 726 */ 727 728 /* the size of this is %fw_rx_desc_bytes */ 729 struct fw_rx_desc_base fw_desc; 730 731 /* 732 * %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4) 733 * and has %num_mpdu_ranges elements. 734 */ 735 struct htt_rx_indication_mpdu_range mpdu_ranges[]; 736 } __packed; 737 738 /* High latency version of the RX indication */ 739 struct htt_rx_indication_hl { 740 struct htt_rx_indication_hdr hdr; 741 struct htt_rx_indication_ppdu ppdu; 742 struct htt_rx_indication_prefix prefix; 743 struct fw_rx_desc_hl fw_desc; 744 struct htt_rx_indication_mpdu_range mpdu_ranges[]; 745 } __packed; 746 747 struct htt_hl_rx_desc { 748 __le32 info; 749 __le32 pn_31_0; 750 union { 751 struct { 752 __le16 pn_47_32; 753 __le16 pn_63_48; 754 } pn16; 755 __le32 pn_63_32; 756 } u0; 757 __le32 pn_95_64; 758 __le32 pn_127_96; 759 } __packed; 760 761 static inline struct htt_rx_indication_mpdu_range * 762 htt_rx_ind_get_mpdu_ranges(struct htt_rx_indication *rx_ind) 763 { 764 void *ptr = rx_ind; 765 766 ptr += sizeof(rx_ind->hdr) 767 + sizeof(rx_ind->ppdu) 768 + sizeof(rx_ind->prefix) 769 + roundup(__le16_to_cpu(rx_ind->prefix.fw_rx_desc_bytes), 4); 770 return ptr; 771 } 772 773 static inline struct htt_rx_indication_mpdu_range * 774 htt_rx_ind_get_mpdu_ranges_hl(struct htt_rx_indication_hl *rx_ind) 775 { 776 void *ptr = rx_ind; 777 778 ptr += sizeof(rx_ind->hdr) 779 + sizeof(rx_ind->ppdu) 780 + sizeof(rx_ind->prefix) 781 + sizeof(rx_ind->fw_desc); 782 return ptr; 783 } 784 785 enum htt_rx_flush_mpdu_status { 786 HTT_RX_FLUSH_MPDU_DISCARD = 0, 787 HTT_RX_FLUSH_MPDU_REORDER = 1, 788 }; 789 790 /* 791 * htt_rx_flush - discard or reorder given range of mpdus 792 * 793 * Note: host must check if all sequence numbers between 794 * [seq_num_start, seq_num_end-1] are valid. 795 */ 796 struct htt_rx_flush { 797 __le16 peer_id; 798 u8 tid; 799 u8 rsvd0; 800 u8 mpdu_status; /* %htt_rx_flush_mpdu_status */ 801 u8 seq_num_start; /* it is 6 LSBs of 802.11 seq no */ 802 u8 seq_num_end; /* it is 6 LSBs of 802.11 seq no */ 803 }; 804 805 struct htt_rx_peer_map { 806 u8 vdev_id; 807 __le16 peer_id; 808 u8 addr[6]; 809 u8 rsvd0; 810 u8 rsvd1; 811 } __packed; 812 813 struct htt_rx_peer_unmap { 814 u8 rsvd0; 815 __le16 peer_id; 816 } __packed; 817 818 enum htt_txrx_sec_cast_type { 819 HTT_TXRX_SEC_MCAST = 0, 820 HTT_TXRX_SEC_UCAST 821 }; 822 823 enum htt_rx_pn_check_type { 824 HTT_RX_NON_PN_CHECK = 0, 825 HTT_RX_PN_CHECK 826 }; 827 828 enum htt_rx_tkip_demic_type { 829 HTT_RX_NON_TKIP_MIC = 0, 830 HTT_RX_TKIP_MIC 831 }; 832 833 enum htt_security_types { 834 HTT_SECURITY_NONE, 835 HTT_SECURITY_WEP128, 836 HTT_SECURITY_WEP104, 837 HTT_SECURITY_WEP40, 838 HTT_SECURITY_TKIP, 839 HTT_SECURITY_TKIP_NOMIC, 840 HTT_SECURITY_AES_CCMP, 841 HTT_SECURITY_WAPI, 842 843 HTT_NUM_SECURITY_TYPES /* keep this last! */ 844 }; 845 846 #define ATH10K_HTT_TXRX_PEER_SECURITY_MAX 2 847 #define ATH10K_TXRX_NUM_EXT_TIDS 19 848 #define ATH10K_TXRX_NON_QOS_TID 16 849 850 enum htt_security_flags { 851 #define HTT_SECURITY_TYPE_MASK 0x7F 852 #define HTT_SECURITY_TYPE_LSB 0 853 HTT_SECURITY_IS_UNICAST = 1 << 7 854 }; 855 856 struct htt_security_indication { 857 union { 858 /* dont use bitfields; undefined behaviour */ 859 u8 flags; /* %htt_security_flags */ 860 struct { 861 u8 security_type:7, /* %htt_security_types */ 862 is_unicast:1; 863 } __packed; 864 } __packed; 865 __le16 peer_id; 866 u8 michael_key[8]; 867 u8 wapi_rsc[16]; 868 } __packed; 869 870 #define HTT_RX_BA_INFO0_TID_MASK 0x000F 871 #define HTT_RX_BA_INFO0_TID_LSB 0 872 #define HTT_RX_BA_INFO0_PEER_ID_MASK 0xFFF0 873 #define HTT_RX_BA_INFO0_PEER_ID_LSB 4 874 875 struct htt_rx_addba { 876 u8 window_size; 877 __le16 info0; /* %HTT_RX_BA_INFO0_ */ 878 } __packed; 879 880 struct htt_rx_delba { 881 u8 rsvd0; 882 __le16 info0; /* %HTT_RX_BA_INFO0_ */ 883 } __packed; 884 885 enum htt_data_tx_status { 886 HTT_DATA_TX_STATUS_OK = 0, 887 HTT_DATA_TX_STATUS_DISCARD = 1, 888 HTT_DATA_TX_STATUS_NO_ACK = 2, 889 HTT_DATA_TX_STATUS_POSTPONE = 3, /* HL only */ 890 HTT_DATA_TX_STATUS_DOWNLOAD_FAIL = 128 891 }; 892 893 enum htt_data_tx_flags { 894 #define HTT_DATA_TX_STATUS_MASK 0x07 895 #define HTT_DATA_TX_STATUS_LSB 0 896 #define HTT_DATA_TX_TID_MASK 0x78 897 #define HTT_DATA_TX_TID_LSB 3 898 HTT_DATA_TX_TID_INVALID = 1 << 7 899 }; 900 901 #define HTT_TX_COMPL_INV_MSDU_ID 0xFFFF 902 903 struct htt_append_retries { 904 __le16 msdu_id; 905 u8 tx_retries; 906 u8 flag; 907 } __packed; 908 909 struct htt_data_tx_completion_ext { 910 struct htt_append_retries a_retries; 911 __le32 t_stamp; 912 __le16 msdus_rssi[]; 913 } __packed; 914 915 /** 916 * @brief target -> host TX completion indication message definition 917 * 918 * @details 919 * The following diagram shows the format of the TX completion indication sent 920 * from the target to the host 921 * 922 * |31 28|27|26|25|24|23 16| 15 |14 11|10 8|7 0| 923 * |-------------------------------------------------------------| 924 * header: |rsvd |A2|TP|A1|A0| num | t_i| tid |status| msg_type | 925 * |-------------------------------------------------------------| 926 * payload: | MSDU1 ID | MSDU0 ID | 927 * |-------------------------------------------------------------| 928 * : MSDU3 ID : MSDU2 ID : 929 * |-------------------------------------------------------------| 930 * | struct htt_tx_compl_ind_append_retries | 931 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 932 * | struct htt_tx_compl_ind_append_tx_tstamp | 933 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 934 * | MSDU1 ACK RSSI | MSDU0 ACK RSSI | 935 * |-------------------------------------------------------------| 936 * : MSDU3 ACK RSSI : MSDU2 ACK RSSI : 937 * |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -| 938 * -msg_type 939 * Bits 7:0 940 * Purpose: identifies this as HTT TX completion indication 941 * -status 942 * Bits 10:8 943 * Purpose: the TX completion status of payload fragmentations descriptors 944 * Value: could be HTT_TX_COMPL_IND_STAT_OK or HTT_TX_COMPL_IND_STAT_DISCARD 945 * -tid 946 * Bits 14:11 947 * Purpose: the tid associated with those fragmentation descriptors. It is 948 * valid or not, depending on the tid_invalid bit. 949 * Value: 0 to 15 950 * -tid_invalid 951 * Bits 15:15 952 * Purpose: this bit indicates whether the tid field is valid or not 953 * Value: 0 indicates valid, 1 indicates invalid 954 * -num 955 * Bits 23:16 956 * Purpose: the number of payload in this indication 957 * Value: 1 to 255 958 * -A0 = append 959 * Bits 24:24 960 * Purpose: append the struct htt_tx_compl_ind_append_retries which contains 961 * the number of tx retries for one MSDU at the end of this message 962 * Value: 0 indicates no appending, 1 indicates appending 963 * -A1 = append1 964 * Bits 25:25 965 * Purpose: Append the struct htt_tx_compl_ind_append_tx_tstamp which 966 * contains the timestamp info for each TX msdu id in payload. 967 * Value: 0 indicates no appending, 1 indicates appending 968 * -TP = MSDU tx power presence 969 * Bits 26:26 970 * Purpose: Indicate whether the TX_COMPL_IND includes a tx power report 971 * for each MSDU referenced by the TX_COMPL_IND message. 972 * The order of the per-MSDU tx power reports matches the order 973 * of the MSDU IDs. 974 * Value: 0 indicates not appending, 1 indicates appending 975 * -A2 = append2 976 * Bits 27:27 977 * Purpose: Indicate whether data ACK RSSI is appended for each MSDU in 978 * TX_COMP_IND message. The order of the per-MSDU ACK RSSI report 979 * matches the order of the MSDU IDs. 980 * The ACK RSSI values are valid when status is COMPLETE_OK (and 981 * this append2 bit is set). 982 * Value: 0 indicates not appending, 1 indicates appending 983 */ 984 985 struct htt_data_tx_completion { 986 union { 987 u8 flags; 988 struct { 989 u8 status:3, 990 tid:4, 991 tid_invalid:1; 992 } __packed; 993 } __packed; 994 u8 num_msdus; 995 u8 flags2; /* HTT_TX_CMPL_FLAG_DATA_RSSI */ 996 __le16 msdus[]; /* variable length based on %num_msdus */ 997 } __packed; 998 999 #define HTT_TX_PPDU_DUR_INFO0_PEER_ID_MASK GENMASK(15, 0) 1000 #define HTT_TX_PPDU_DUR_INFO0_TID_MASK GENMASK(20, 16) 1001 1002 struct htt_data_tx_ppdu_dur { 1003 __le32 info0; /* HTT_TX_PPDU_DUR_INFO0_ */ 1004 __le32 tx_duration; /* in usecs */ 1005 } __packed; 1006 1007 #define HTT_TX_COMPL_PPDU_DUR_INFO0_NUM_ENTRIES_MASK GENMASK(7, 0) 1008 1009 struct htt_data_tx_compl_ppdu_dur { 1010 __le32 info0; /* HTT_TX_COMPL_PPDU_DUR_INFO0_ */ 1011 struct htt_data_tx_ppdu_dur ppdu_dur[]; 1012 } __packed; 1013 1014 struct htt_tx_compl_ind_base { 1015 u32 hdr; 1016 u16 payload[1/*or more*/]; 1017 } __packed; 1018 1019 struct htt_rc_tx_done_params { 1020 u32 rate_code; 1021 u32 rate_code_flags; 1022 u32 flags; 1023 u32 num_enqued; /* 1 for non-AMPDU */ 1024 u32 num_retries; 1025 u32 num_failed; /* for AMPDU */ 1026 u32 ack_rssi; 1027 u32 time_stamp; 1028 u32 is_probe; 1029 }; 1030 1031 struct htt_rc_update { 1032 u8 vdev_id; 1033 __le16 peer_id; 1034 u8 addr[6]; 1035 u8 num_elems; 1036 u8 rsvd0; 1037 struct htt_rc_tx_done_params params[]; /* variable length %num_elems */ 1038 } __packed; 1039 1040 /* see htt_rx_indication for similar fields and descriptions */ 1041 struct htt_rx_fragment_indication { 1042 union { 1043 u8 info0; /* %HTT_RX_FRAG_IND_INFO0_ */ 1044 struct { 1045 u8 ext_tid:5, 1046 flush_valid:1; 1047 } __packed; 1048 } __packed; 1049 __le16 peer_id; 1050 __le32 info1; /* %HTT_RX_FRAG_IND_INFO1_ */ 1051 __le16 fw_rx_desc_bytes; 1052 __le16 rsvd0; 1053 1054 u8 fw_msdu_rx_desc[]; 1055 } __packed; 1056 1057 #define ATH10K_IEEE80211_EXTIV BIT(5) 1058 #define ATH10K_IEEE80211_TKIP_MICLEN 8 /* trailing MIC */ 1059 1060 #define HTT_RX_FRAG_IND_INFO0_HEADER_LEN 16 1061 1062 #define HTT_RX_FRAG_IND_INFO0_EXT_TID_MASK 0x1F 1063 #define HTT_RX_FRAG_IND_INFO0_EXT_TID_LSB 0 1064 #define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_MASK 0x20 1065 #define HTT_RX_FRAG_IND_INFO0_FLUSH_VALID_LSB 5 1066 1067 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_MASK 0x0000003F 1068 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_START_LSB 0 1069 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK 0x00000FC0 1070 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB 6 1071 1072 struct htt_rx_pn_ind { 1073 __le16 peer_id; 1074 u8 tid; 1075 u8 seqno_start; 1076 u8 seqno_end; 1077 u8 pn_ie_count; 1078 u8 reserved; 1079 u8 pn_ies[]; 1080 } __packed; 1081 1082 struct htt_rx_offload_msdu { 1083 __le16 msdu_len; 1084 __le16 peer_id; 1085 u8 vdev_id; 1086 u8 tid; 1087 u8 fw_desc; 1088 u8 payload[]; 1089 } __packed; 1090 1091 struct htt_rx_offload_ind { 1092 u8 reserved; 1093 __le16 msdu_count; 1094 } __packed; 1095 1096 struct htt_rx_in_ord_msdu_desc { 1097 __le32 msdu_paddr; 1098 __le16 msdu_len; 1099 u8 fw_desc; 1100 u8 reserved; 1101 } __packed; 1102 1103 struct htt_rx_in_ord_msdu_desc_ext { 1104 __le64 msdu_paddr; 1105 __le16 msdu_len; 1106 u8 fw_desc; 1107 u8 reserved; 1108 } __packed; 1109 1110 struct htt_rx_in_ord_ind { 1111 u8 info; 1112 __le16 peer_id; 1113 u8 vdev_id; 1114 u8 reserved; 1115 __le16 msdu_count; 1116 union { 1117 struct htt_rx_in_ord_msdu_desc msdu_descs32[0]; 1118 struct htt_rx_in_ord_msdu_desc_ext msdu_descs64[0]; 1119 } __packed; 1120 } __packed; 1121 1122 #define HTT_RX_IN_ORD_IND_INFO_TID_MASK 0x0000001f 1123 #define HTT_RX_IN_ORD_IND_INFO_TID_LSB 0 1124 #define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK 0x00000020 1125 #define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB 5 1126 #define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK 0x00000040 1127 #define HTT_RX_IN_ORD_IND_INFO_FRAG_LSB 6 1128 1129 /* 1130 * target -> host test message definition 1131 * 1132 * The following field definitions describe the format of the test 1133 * message sent from the target to the host. 1134 * The message consists of a 4-octet header, followed by a variable 1135 * number of 32-bit integer values, followed by a variable number 1136 * of 8-bit character values. 1137 * 1138 * |31 16|15 8|7 0| 1139 * |-----------------------------------------------------------| 1140 * | num chars | num ints | msg type | 1141 * |-----------------------------------------------------------| 1142 * | int 0 | 1143 * |-----------------------------------------------------------| 1144 * | int 1 | 1145 * |-----------------------------------------------------------| 1146 * | ... | 1147 * |-----------------------------------------------------------| 1148 * | char 3 | char 2 | char 1 | char 0 | 1149 * |-----------------------------------------------------------| 1150 * | | | ... | char 4 | 1151 * |-----------------------------------------------------------| 1152 * - MSG_TYPE 1153 * Bits 7:0 1154 * Purpose: identifies this as a test message 1155 * Value: HTT_MSG_TYPE_TEST 1156 * - NUM_INTS 1157 * Bits 15:8 1158 * Purpose: indicate how many 32-bit integers follow the message header 1159 * - NUM_CHARS 1160 * Bits 31:16 1161 * Purpose: indicate how many 8-bit characters follow the series of integers 1162 */ 1163 struct htt_rx_test { 1164 u8 num_ints; 1165 __le16 num_chars; 1166 1167 /* payload consists of 2 lists: 1168 * a) num_ints * sizeof(__le32) 1169 * b) num_chars * sizeof(u8) aligned to 4bytes 1170 */ 1171 u8 payload[]; 1172 } __packed; 1173 1174 static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test) 1175 { 1176 return (__le32 *)rx_test->payload; 1177 } 1178 1179 static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test) 1180 { 1181 return rx_test->payload + (rx_test->num_ints * sizeof(__le32)); 1182 } 1183 1184 /* 1185 * target -> host packet log message 1186 * 1187 * The following field definitions describe the format of the packet log 1188 * message sent from the target to the host. 1189 * The message consists of a 4-octet header,followed by a variable number 1190 * of 32-bit character values. 1191 * 1192 * |31 24|23 16|15 8|7 0| 1193 * |-----------------------------------------------------------| 1194 * | | | | msg type | 1195 * |-----------------------------------------------------------| 1196 * | payload | 1197 * |-----------------------------------------------------------| 1198 * - MSG_TYPE 1199 * Bits 7:0 1200 * Purpose: identifies this as a test message 1201 * Value: HTT_MSG_TYPE_PACKETLOG 1202 */ 1203 struct htt_pktlog_msg { 1204 u8 pad[3]; 1205 u8 payload[]; 1206 } __packed; 1207 1208 struct htt_dbg_stats_rx_reorder_stats { 1209 /* Non QoS MPDUs received */ 1210 __le32 deliver_non_qos; 1211 1212 /* MPDUs received in-order */ 1213 __le32 deliver_in_order; 1214 1215 /* Flush due to reorder timer expired */ 1216 __le32 deliver_flush_timeout; 1217 1218 /* Flush due to move out of window */ 1219 __le32 deliver_flush_oow; 1220 1221 /* Flush due to DELBA */ 1222 __le32 deliver_flush_delba; 1223 1224 /* MPDUs dropped due to FCS error */ 1225 __le32 fcs_error; 1226 1227 /* MPDUs dropped due to monitor mode non-data packet */ 1228 __le32 mgmt_ctrl; 1229 1230 /* MPDUs dropped due to invalid peer */ 1231 __le32 invalid_peer; 1232 1233 /* MPDUs dropped due to duplication (non aggregation) */ 1234 __le32 dup_non_aggr; 1235 1236 /* MPDUs dropped due to processed before */ 1237 __le32 dup_past; 1238 1239 /* MPDUs dropped due to duplicate in reorder queue */ 1240 __le32 dup_in_reorder; 1241 1242 /* Reorder timeout happened */ 1243 __le32 reorder_timeout; 1244 1245 /* invalid bar ssn */ 1246 __le32 invalid_bar_ssn; 1247 1248 /* reorder reset due to bar ssn */ 1249 __le32 ssn_reset; 1250 }; 1251 1252 struct htt_dbg_stats_wal_tx_stats { 1253 /* Num HTT cookies queued to dispatch list */ 1254 __le32 comp_queued; 1255 1256 /* Num HTT cookies dispatched */ 1257 __le32 comp_delivered; 1258 1259 /* Num MSDU queued to WAL */ 1260 __le32 msdu_enqued; 1261 1262 /* Num MPDU queue to WAL */ 1263 __le32 mpdu_enqued; 1264 1265 /* Num MSDUs dropped by WMM limit */ 1266 __le32 wmm_drop; 1267 1268 /* Num Local frames queued */ 1269 __le32 local_enqued; 1270 1271 /* Num Local frames done */ 1272 __le32 local_freed; 1273 1274 /* Num queued to HW */ 1275 __le32 hw_queued; 1276 1277 /* Num PPDU reaped from HW */ 1278 __le32 hw_reaped; 1279 1280 /* Num underruns */ 1281 __le32 underrun; 1282 1283 /* Num PPDUs cleaned up in TX abort */ 1284 __le32 tx_abort; 1285 1286 /* Num MPDUs requeued by SW */ 1287 __le32 mpdus_requeued; 1288 1289 /* excessive retries */ 1290 __le32 tx_ko; 1291 1292 /* data hw rate code */ 1293 __le32 data_rc; 1294 1295 /* Scheduler self triggers */ 1296 __le32 self_triggers; 1297 1298 /* frames dropped due to excessive sw retries */ 1299 __le32 sw_retry_failure; 1300 1301 /* illegal rate phy errors */ 1302 __le32 illgl_rate_phy_err; 1303 1304 /* wal pdev continuous xretry */ 1305 __le32 pdev_cont_xretry; 1306 1307 /* wal pdev continuous xretry */ 1308 __le32 pdev_tx_timeout; 1309 1310 /* wal pdev resets */ 1311 __le32 pdev_resets; 1312 1313 __le32 phy_underrun; 1314 1315 /* MPDU is more than txop limit */ 1316 __le32 txop_ovf; 1317 } __packed; 1318 1319 struct htt_dbg_stats_wal_rx_stats { 1320 /* Cnts any change in ring routing mid-ppdu */ 1321 __le32 mid_ppdu_route_change; 1322 1323 /* Total number of statuses processed */ 1324 __le32 status_rcvd; 1325 1326 /* Extra frags on rings 0-3 */ 1327 __le32 r0_frags; 1328 __le32 r1_frags; 1329 __le32 r2_frags; 1330 __le32 r3_frags; 1331 1332 /* MSDUs / MPDUs delivered to HTT */ 1333 __le32 htt_msdus; 1334 __le32 htt_mpdus; 1335 1336 /* MSDUs / MPDUs delivered to local stack */ 1337 __le32 loc_msdus; 1338 __le32 loc_mpdus; 1339 1340 /* AMSDUs that have more MSDUs than the status ring size */ 1341 __le32 oversize_amsdu; 1342 1343 /* Number of PHY errors */ 1344 __le32 phy_errs; 1345 1346 /* Number of PHY errors drops */ 1347 __le32 phy_err_drop; 1348 1349 /* Number of mpdu errors - FCS, MIC, ENC etc. */ 1350 __le32 mpdu_errs; 1351 } __packed; 1352 1353 struct htt_dbg_stats_wal_peer_stats { 1354 __le32 dummy; /* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */ 1355 } __packed; 1356 1357 struct htt_dbg_stats_wal_pdev_txrx { 1358 struct htt_dbg_stats_wal_tx_stats tx_stats; 1359 struct htt_dbg_stats_wal_rx_stats rx_stats; 1360 struct htt_dbg_stats_wal_peer_stats peer_stats; 1361 } __packed; 1362 1363 struct htt_dbg_stats_rx_rate_info { 1364 __le32 mcs[10]; 1365 __le32 sgi[10]; 1366 __le32 nss[4]; 1367 __le32 stbc[10]; 1368 __le32 bw[3]; 1369 __le32 pream[6]; 1370 __le32 ldpc; 1371 __le32 txbf; 1372 }; 1373 1374 /* 1375 * htt_dbg_stats_status - 1376 * present - The requested stats have been delivered in full. 1377 * This indicates that either the stats information was contained 1378 * in its entirety within this message, or else this message 1379 * completes the delivery of the requested stats info that was 1380 * partially delivered through earlier STATS_CONF messages. 1381 * partial - The requested stats have been delivered in part. 1382 * One or more subsequent STATS_CONF messages with the same 1383 * cookie value will be sent to deliver the remainder of the 1384 * information. 1385 * error - The requested stats could not be delivered, for example due 1386 * to a shortage of memory to construct a message holding the 1387 * requested stats. 1388 * invalid - The requested stat type is either not recognized, or the 1389 * target is configured to not gather the stats type in question. 1390 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1391 * series_done - This special value indicates that no further stats info 1392 * elements are present within a series of stats info elems 1393 * (within a stats upload confirmation message). 1394 */ 1395 enum htt_dbg_stats_status { 1396 HTT_DBG_STATS_STATUS_PRESENT = 0, 1397 HTT_DBG_STATS_STATUS_PARTIAL = 1, 1398 HTT_DBG_STATS_STATUS_ERROR = 2, 1399 HTT_DBG_STATS_STATUS_INVALID = 3, 1400 HTT_DBG_STATS_STATUS_SERIES_DONE = 7 1401 }; 1402 1403 /* 1404 * target -> host statistics upload 1405 * 1406 * The following field definitions describe the format of the HTT target 1407 * to host stats upload confirmation message. 1408 * The message contains a cookie echoed from the HTT host->target stats 1409 * upload request, which identifies which request the confirmation is 1410 * for, and a series of tag-length-value stats information elements. 1411 * The tag-length header for each stats info element also includes a 1412 * status field, to indicate whether the request for the stat type in 1413 * question was fully met, partially met, unable to be met, or invalid 1414 * (if the stat type in question is disabled in the target). 1415 * A special value of all 1's in this status field is used to indicate 1416 * the end of the series of stats info elements. 1417 * 1418 * 1419 * |31 16|15 8|7 5|4 0| 1420 * |------------------------------------------------------------| 1421 * | reserved | msg type | 1422 * |------------------------------------------------------------| 1423 * | cookie LSBs | 1424 * |------------------------------------------------------------| 1425 * | cookie MSBs | 1426 * |------------------------------------------------------------| 1427 * | stats entry length | reserved | S |stat type| 1428 * |------------------------------------------------------------| 1429 * | | 1430 * | type-specific stats info | 1431 * | | 1432 * |------------------------------------------------------------| 1433 * | stats entry length | reserved | S |stat type| 1434 * |------------------------------------------------------------| 1435 * | | 1436 * | type-specific stats info | 1437 * | | 1438 * |------------------------------------------------------------| 1439 * | n/a | reserved | 111 | n/a | 1440 * |------------------------------------------------------------| 1441 * Header fields: 1442 * - MSG_TYPE 1443 * Bits 7:0 1444 * Purpose: identifies this is a statistics upload confirmation message 1445 * Value: 0x9 1446 * - COOKIE_LSBS 1447 * Bits 31:0 1448 * Purpose: Provide a mechanism to match a target->host stats confirmation 1449 * message with its preceding host->target stats request message. 1450 * Value: LSBs of the opaque cookie specified by the host-side requestor 1451 * - COOKIE_MSBS 1452 * Bits 31:0 1453 * Purpose: Provide a mechanism to match a target->host stats confirmation 1454 * message with its preceding host->target stats request message. 1455 * Value: MSBs of the opaque cookie specified by the host-side requestor 1456 * 1457 * Stats Information Element tag-length header fields: 1458 * - STAT_TYPE 1459 * Bits 4:0 1460 * Purpose: identifies the type of statistics info held in the 1461 * following information element 1462 * Value: htt_dbg_stats_type 1463 * - STATUS 1464 * Bits 7:5 1465 * Purpose: indicate whether the requested stats are present 1466 * Value: htt_dbg_stats_status, including a special value (0x7) to mark 1467 * the completion of the stats entry series 1468 * - LENGTH 1469 * Bits 31:16 1470 * Purpose: indicate the stats information size 1471 * Value: This field specifies the number of bytes of stats information 1472 * that follows the element tag-length header. 1473 * It is expected but not required that this length is a multiple of 1474 * 4 bytes. Even if the length is not an integer multiple of 4, the 1475 * subsequent stats entry header will begin on a 4-byte aligned 1476 * boundary. 1477 */ 1478 1479 #define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_MASK 0x1F 1480 #define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_LSB 0 1481 #define HTT_STATS_CONF_ITEM_INFO_STATUS_MASK 0xE0 1482 #define HTT_STATS_CONF_ITEM_INFO_STATUS_LSB 5 1483 1484 struct htt_stats_conf_item { 1485 union { 1486 u8 info; 1487 struct { 1488 u8 stat_type:5; /* %HTT_DBG_STATS_ */ 1489 u8 status:3; /* %HTT_DBG_STATS_STATUS_ */ 1490 } __packed; 1491 } __packed; 1492 u8 pad; 1493 __le16 length; 1494 u8 payload[]; /* roundup(length, 4) long */ 1495 } __packed; 1496 1497 struct htt_stats_conf { 1498 u8 pad[3]; 1499 __le32 cookie_lsb; 1500 __le32 cookie_msb; 1501 1502 /* each item has variable length! */ 1503 struct htt_stats_conf_item items[]; 1504 } __packed; 1505 1506 static inline struct htt_stats_conf_item *htt_stats_conf_next_item( 1507 const struct htt_stats_conf_item *item) 1508 { 1509 return (void *)item + sizeof(*item) + roundup(item->length, 4); 1510 } 1511 1512 /* 1513 * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank 1514 * 1515 * The following field definitions describe the format of the HTT host 1516 * to target frag_desc/msdu_ext bank configuration message. 1517 * The message contains the based address and the min and max id of the 1518 * MSDU_EXT/FRAG_DESC that will be used by the HTT to map MSDU DESC and 1519 * MSDU_EXT/FRAG_DESC. 1520 * HTT will use id in HTT descriptor instead sending the frag_desc_ptr. 1521 * For QCA988X HW the firmware will use fragment_desc_ptr but in WIFI2.0 1522 * the hardware does the mapping/translation. 1523 * 1524 * Total banks that can be configured is configured to 16. 1525 * 1526 * This should be called before any TX has be initiated by the HTT 1527 * 1528 * |31 16|15 8|7 5|4 0| 1529 * |------------------------------------------------------------| 1530 * | DESC_SIZE | NUM_BANKS | RES |SWP|pdev| msg type | 1531 * |------------------------------------------------------------| 1532 * | BANK0_BASE_ADDRESS | 1533 * |------------------------------------------------------------| 1534 * | ... | 1535 * |------------------------------------------------------------| 1536 * | BANK15_BASE_ADDRESS | 1537 * |------------------------------------------------------------| 1538 * | BANK0_MAX_ID | BANK0_MIN_ID | 1539 * |------------------------------------------------------------| 1540 * | ... | 1541 * |------------------------------------------------------------| 1542 * | BANK15_MAX_ID | BANK15_MIN_ID | 1543 * |------------------------------------------------------------| 1544 * Header fields: 1545 * - MSG_TYPE 1546 * Bits 7:0 1547 * Value: 0x6 1548 * - BANKx_BASE_ADDRESS 1549 * Bits 31:0 1550 * Purpose: Provide a mechanism to specify the base address of the MSDU_EXT 1551 * bank physical/bus address. 1552 * - BANKx_MIN_ID 1553 * Bits 15:0 1554 * Purpose: Provide a mechanism to specify the min index that needs to 1555 * mapped. 1556 * - BANKx_MAX_ID 1557 * Bits 31:16 1558 * Purpose: Provide a mechanism to specify the max index that needs to 1559 * 1560 */ 1561 struct htt_frag_desc_bank_id { 1562 __le16 bank_min_id; 1563 __le16 bank_max_id; 1564 } __packed; 1565 1566 /* real is 16 but it wouldn't fit in the max htt message size 1567 * so we use a conservatively safe value for now 1568 */ 1569 #define HTT_FRAG_DESC_BANK_MAX 4 1570 1571 #define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_MASK 0x03 1572 #define HTT_FRAG_DESC_BANK_CFG_INFO_PDEV_ID_LSB 0 1573 #define HTT_FRAG_DESC_BANK_CFG_INFO_SWAP BIT(2) 1574 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_VALID BIT(3) 1575 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_MASK BIT(4) 1576 #define HTT_FRAG_DESC_BANK_CFG_INFO_Q_STATE_DEPTH_TYPE_LSB 4 1577 1578 enum htt_q_depth_type { 1579 HTT_Q_DEPTH_TYPE_BYTES = 0, 1580 HTT_Q_DEPTH_TYPE_MSDUS = 1, 1581 }; 1582 1583 #define HTT_TX_Q_STATE_NUM_PEERS (TARGET_10_4_NUM_QCACHE_PEERS_MAX + \ 1584 TARGET_10_4_NUM_VDEVS) 1585 #define HTT_TX_Q_STATE_NUM_TIDS 8 1586 #define HTT_TX_Q_STATE_ENTRY_SIZE 1 1587 #define HTT_TX_Q_STATE_ENTRY_MULTIPLIER 0 1588 1589 /** 1590 * htt_q_state_conf - part of htt_frag_desc_bank_cfg for host q state config 1591 * 1592 * Defines host q state format and behavior. See htt_q_state. 1593 * 1594 * @record_size: Defines the size of each host q entry in bytes. In practice 1595 * however firmware (at least 10.4.3-00191) ignores this host 1596 * configuration value and uses hardcoded value of 1. 1597 * @record_multiplier: This is valid only when q depth type is MSDUs. It 1598 * defines the exponent for the power of 2 multiplication. 1599 */ 1600 struct htt_q_state_conf { 1601 __le32 paddr; 1602 __le16 num_peers; 1603 __le16 num_tids; 1604 u8 record_size; 1605 u8 record_multiplier; 1606 u8 pad[2]; 1607 } __packed; 1608 1609 struct htt_frag_desc_bank_cfg32 { 1610 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */ 1611 u8 num_banks; 1612 u8 desc_size; 1613 __le32 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX]; 1614 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX]; 1615 struct htt_q_state_conf q_state; 1616 } __packed; 1617 1618 struct htt_frag_desc_bank_cfg64 { 1619 u8 info; /* HTT_FRAG_DESC_BANK_CFG_INFO_ */ 1620 u8 num_banks; 1621 u8 desc_size; 1622 __le64 bank_base_addrs[HTT_FRAG_DESC_BANK_MAX]; 1623 struct htt_frag_desc_bank_id bank_id[HTT_FRAG_DESC_BANK_MAX]; 1624 struct htt_q_state_conf q_state; 1625 } __packed; 1626 1627 #define HTT_TX_Q_STATE_ENTRY_COEFFICIENT 128 1628 #define HTT_TX_Q_STATE_ENTRY_FACTOR_MASK 0x3f 1629 #define HTT_TX_Q_STATE_ENTRY_FACTOR_LSB 0 1630 #define HTT_TX_Q_STATE_ENTRY_EXP_MASK 0xc0 1631 #define HTT_TX_Q_STATE_ENTRY_EXP_LSB 6 1632 1633 /** 1634 * htt_q_state - shared between host and firmware via DMA 1635 * 1636 * This structure is used for the host to expose it's software queue state to 1637 * firmware so that its rate control can schedule fetch requests for optimized 1638 * performance. This is most notably used for MU-MIMO aggregation when multiple 1639 * MU clients are connected. 1640 * 1641 * @count: Each element defines the host queue depth. When q depth type was 1642 * configured as HTT_Q_DEPTH_TYPE_BYTES then each entry is defined as: 1643 * FACTOR * 128 * 8^EXP (see HTT_TX_Q_STATE_ENTRY_FACTOR_MASK and 1644 * HTT_TX_Q_STATE_ENTRY_EXP_MASK). When q depth type was configured as 1645 * HTT_Q_DEPTH_TYPE_MSDUS the number of packets is scaled by 2 ** 1646 * record_multiplier (see htt_q_state_conf). 1647 * @map: Used by firmware to quickly check which host queues are not empty. It 1648 * is a bitmap simply saying. 1649 * @seq: Used by firmware to quickly check if the host queues were updated 1650 * since it last checked. 1651 * 1652 * FIXME: Is the q_state map[] size calculation really correct? 1653 */ 1654 struct htt_q_state { 1655 u8 count[HTT_TX_Q_STATE_NUM_TIDS][HTT_TX_Q_STATE_NUM_PEERS]; 1656 u32 map[HTT_TX_Q_STATE_NUM_TIDS][(HTT_TX_Q_STATE_NUM_PEERS + 31) / 32]; 1657 __le32 seq; 1658 } __packed; 1659 1660 #define HTT_TX_FETCH_RECORD_INFO_PEER_ID_MASK 0x0fff 1661 #define HTT_TX_FETCH_RECORD_INFO_PEER_ID_LSB 0 1662 #define HTT_TX_FETCH_RECORD_INFO_TID_MASK 0xf000 1663 #define HTT_TX_FETCH_RECORD_INFO_TID_LSB 12 1664 1665 struct htt_tx_fetch_record { 1666 __le16 info; /* HTT_TX_FETCH_IND_RECORD_INFO_ */ 1667 __le16 num_msdus; 1668 __le32 num_bytes; 1669 } __packed; 1670 1671 struct htt_tx_fetch_ind { 1672 u8 pad0; 1673 __le16 fetch_seq_num; 1674 __le32 token; 1675 __le16 num_resp_ids; 1676 __le16 num_records; 1677 __le32 resp_ids[0]; /* ath10k_htt_get_tx_fetch_ind_resp_ids() */ 1678 struct htt_tx_fetch_record records[]; 1679 } __packed; 1680 1681 static inline void * 1682 ath10k_htt_get_tx_fetch_ind_resp_ids(struct htt_tx_fetch_ind *ind) 1683 { 1684 return (void *)&ind->records[le16_to_cpu(ind->num_records)]; 1685 } 1686 1687 struct htt_tx_fetch_resp { 1688 u8 pad0; 1689 __le16 resp_id; 1690 __le16 fetch_seq_num; 1691 __le16 num_records; 1692 __le32 token; 1693 struct htt_tx_fetch_record records[]; 1694 } __packed; 1695 1696 struct htt_tx_fetch_confirm { 1697 u8 pad0; 1698 __le16 num_resp_ids; 1699 __le32 resp_ids[]; 1700 } __packed; 1701 1702 enum htt_tx_mode_switch_mode { 1703 HTT_TX_MODE_SWITCH_PUSH = 0, 1704 HTT_TX_MODE_SWITCH_PUSH_PULL = 1, 1705 }; 1706 1707 #define HTT_TX_MODE_SWITCH_IND_INFO0_ENABLE BIT(0) 1708 #define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_MASK 0xfffe 1709 #define HTT_TX_MODE_SWITCH_IND_INFO0_NUM_RECORDS_LSB 1 1710 1711 #define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_MASK 0x0003 1712 #define HTT_TX_MODE_SWITCH_IND_INFO1_MODE_LSB 0 1713 #define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_MASK 0xfffc 1714 #define HTT_TX_MODE_SWITCH_IND_INFO1_THRESHOLD_LSB 2 1715 1716 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_MASK 0x0fff 1717 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_PEER_ID_LSB 0 1718 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_MASK 0xf000 1719 #define HTT_TX_MODE_SWITCH_RECORD_INFO0_TID_LSB 12 1720 1721 struct htt_tx_mode_switch_record { 1722 __le16 info0; /* HTT_TX_MODE_SWITCH_RECORD_INFO0_ */ 1723 __le16 num_max_msdus; 1724 } __packed; 1725 1726 struct htt_tx_mode_switch_ind { 1727 u8 pad0; 1728 __le16 info0; /* HTT_TX_MODE_SWITCH_IND_INFO0_ */ 1729 __le16 info1; /* HTT_TX_MODE_SWITCH_IND_INFO1_ */ 1730 u8 pad1[2]; 1731 struct htt_tx_mode_switch_record records[]; 1732 } __packed; 1733 1734 struct htt_channel_change { 1735 u8 pad[3]; 1736 __le32 freq; 1737 __le32 center_freq1; 1738 __le32 center_freq2; 1739 __le32 phymode; 1740 } __packed; 1741 1742 struct htt_per_peer_tx_stats_ind { 1743 __le32 succ_bytes; 1744 __le32 retry_bytes; 1745 __le32 failed_bytes; 1746 u8 ratecode; 1747 u8 flags; 1748 __le16 peer_id; 1749 __le16 succ_pkts; 1750 __le16 retry_pkts; 1751 __le16 failed_pkts; 1752 __le16 tx_duration; 1753 __le32 reserved1; 1754 __le32 reserved2; 1755 } __packed; 1756 1757 struct htt_peer_tx_stats { 1758 u8 num_ppdu; 1759 u8 ppdu_len; 1760 u8 version; 1761 u8 payload[]; 1762 } __packed; 1763 1764 #define ATH10K_10_2_TX_STATS_OFFSET 136 1765 #define PEER_STATS_FOR_NO_OF_PPDUS 4 1766 1767 struct ath10k_10_2_peer_tx_stats { 1768 u8 ratecode[PEER_STATS_FOR_NO_OF_PPDUS]; 1769 u8 success_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1770 __le16 success_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1771 u8 retry_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1772 __le16 retry_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1773 u8 failed_pkts[PEER_STATS_FOR_NO_OF_PPDUS]; 1774 __le16 failed_bytes[PEER_STATS_FOR_NO_OF_PPDUS]; 1775 u8 flags[PEER_STATS_FOR_NO_OF_PPDUS]; 1776 __le32 tx_duration; 1777 u8 tx_ppdu_cnt; 1778 u8 peer_id; 1779 } __packed; 1780 1781 union htt_rx_pn_t { 1782 /* WEP: 24-bit PN */ 1783 u32 pn24; 1784 1785 /* TKIP or CCMP: 48-bit PN */ 1786 u64 pn48; 1787 1788 /* WAPI: 128-bit PN */ 1789 u64 pn128[2]; 1790 }; 1791 1792 struct htt_cmd { 1793 struct htt_cmd_hdr hdr; 1794 union { 1795 struct htt_ver_req ver_req; 1796 struct htt_mgmt_tx_desc mgmt_tx; 1797 struct htt_data_tx_desc data_tx; 1798 struct htt_rx_ring_setup_32 rx_setup_32; 1799 struct htt_rx_ring_setup_64 rx_setup_64; 1800 struct htt_stats_req stats_req; 1801 struct htt_oob_sync_req oob_sync_req; 1802 struct htt_aggr_conf aggr_conf; 1803 struct htt_aggr_conf_v2 aggr_conf_v2; 1804 struct htt_frag_desc_bank_cfg32 frag_desc_bank_cfg32; 1805 struct htt_frag_desc_bank_cfg64 frag_desc_bank_cfg64; 1806 struct htt_tx_fetch_resp tx_fetch_resp; 1807 }; 1808 } __packed; 1809 1810 struct htt_resp { 1811 struct htt_resp_hdr hdr; 1812 union { 1813 struct htt_ver_resp ver_resp; 1814 struct htt_mgmt_tx_completion mgmt_tx_completion; 1815 struct htt_data_tx_completion data_tx_completion; 1816 struct htt_rx_indication rx_ind; 1817 struct htt_rx_indication_hl rx_ind_hl; 1818 struct htt_rx_fragment_indication rx_frag_ind; 1819 struct htt_rx_peer_map peer_map; 1820 struct htt_rx_peer_unmap peer_unmap; 1821 struct htt_rx_flush rx_flush; 1822 struct htt_rx_addba rx_addba; 1823 struct htt_rx_delba rx_delba; 1824 struct htt_security_indication security_indication; 1825 struct htt_rc_update rc_update; 1826 struct htt_rx_test rx_test; 1827 struct htt_pktlog_msg pktlog_msg; 1828 struct htt_stats_conf stats_conf; 1829 struct htt_rx_pn_ind rx_pn_ind; 1830 struct htt_rx_offload_ind rx_offload_ind; 1831 struct htt_rx_in_ord_ind rx_in_ord_ind; 1832 struct htt_tx_fetch_ind tx_fetch_ind; 1833 struct htt_tx_fetch_confirm tx_fetch_confirm; 1834 struct htt_tx_mode_switch_ind tx_mode_switch_ind; 1835 struct htt_channel_change chan_change; 1836 struct htt_peer_tx_stats peer_tx_stats; 1837 }; 1838 } __packed; 1839 1840 /*** host side structures follow ***/ 1841 1842 struct htt_tx_done { 1843 u16 msdu_id; 1844 u16 status; 1845 u8 ack_rssi; 1846 }; 1847 1848 enum htt_tx_compl_state { 1849 HTT_TX_COMPL_STATE_NONE, 1850 HTT_TX_COMPL_STATE_ACK, 1851 HTT_TX_COMPL_STATE_NOACK, 1852 HTT_TX_COMPL_STATE_DISCARD, 1853 }; 1854 1855 struct htt_peer_map_event { 1856 u8 vdev_id; 1857 u16 peer_id; 1858 u8 addr[ETH_ALEN]; 1859 }; 1860 1861 struct htt_peer_unmap_event { 1862 u16 peer_id; 1863 }; 1864 1865 struct ath10k_htt_txbuf_32 { 1866 struct htt_data_tx_desc_frag frags[2]; 1867 struct ath10k_htc_hdr htc_hdr; 1868 struct htt_cmd_hdr cmd_hdr; 1869 struct htt_data_tx_desc cmd_tx; 1870 } __packed __aligned(4); 1871 1872 struct ath10k_htt_txbuf_64 { 1873 struct htt_data_tx_desc_frag frags[2]; 1874 struct ath10k_htc_hdr htc_hdr; 1875 struct htt_cmd_hdr cmd_hdr; 1876 struct htt_data_tx_desc_64 cmd_tx; 1877 } __packed __aligned(4); 1878 1879 struct ath10k_htt { 1880 struct ath10k *ar; 1881 enum ath10k_htc_ep_id eid; 1882 1883 struct sk_buff_head rx_indication_head; 1884 1885 u8 target_version_major; 1886 u8 target_version_minor; 1887 struct completion target_version_received; 1888 u8 max_num_amsdu; 1889 u8 max_num_ampdu; 1890 1891 const enum htt_t2h_msg_type *t2h_msg_types; 1892 u32 t2h_msg_types_max; 1893 1894 struct { 1895 /* 1896 * Ring of network buffer objects - This ring is 1897 * used exclusively by the host SW. This ring 1898 * mirrors the dev_addrs_ring that is shared 1899 * between the host SW and the MAC HW. The host SW 1900 * uses this netbufs ring to locate the network 1901 * buffer objects whose data buffers the HW has 1902 * filled. 1903 */ 1904 struct sk_buff **netbufs_ring; 1905 1906 /* This is used only with firmware supporting IN_ORD_IND. 1907 * 1908 * With Full Rx Reorder the HTT Rx Ring is more of a temporary 1909 * buffer ring from which buffer addresses are copied by the 1910 * firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND 1911 * pointing to specific (re-ordered) buffers. 1912 * 1913 * FIXME: With kernel generic hashing functions there's a lot 1914 * of hash collisions for sk_buffs. 1915 */ 1916 bool in_ord_rx; 1917 DECLARE_HASHTABLE(skb_table, 4); 1918 1919 /* 1920 * Ring of buffer addresses - 1921 * This ring holds the "physical" device address of the 1922 * rx buffers the host SW provides for the MAC HW to 1923 * fill. 1924 */ 1925 union { 1926 __le64 *paddrs_ring_64; 1927 __le32 *paddrs_ring_32; 1928 }; 1929 1930 /* 1931 * Base address of ring, as a "physical" device address 1932 * rather than a CPU address. 1933 */ 1934 dma_addr_t base_paddr; 1935 1936 /* how many elems in the ring (power of 2) */ 1937 int size; 1938 1939 /* size - 1 */ 1940 unsigned int size_mask; 1941 1942 /* how many rx buffers to keep in the ring */ 1943 int fill_level; 1944 1945 /* how many rx buffers (full+empty) are in the ring */ 1946 int fill_cnt; 1947 1948 /* 1949 * alloc_idx - where HTT SW has deposited empty buffers 1950 * This is allocated in consistent mem, so that the FW can 1951 * read this variable, and program the HW's FW_IDX reg with 1952 * the value of this shadow register. 1953 */ 1954 struct { 1955 __le32 *vaddr; 1956 dma_addr_t paddr; 1957 } alloc_idx; 1958 1959 /* where HTT SW has processed bufs filled by rx MAC DMA */ 1960 struct { 1961 unsigned int msdu_payld; 1962 } sw_rd_idx; 1963 1964 /* 1965 * refill_retry_timer - timer triggered when the ring is 1966 * not refilled to the level expected 1967 */ 1968 struct timer_list refill_retry_timer; 1969 1970 /* Protects access to all rx ring buffer state variables */ 1971 spinlock_t lock; 1972 } rx_ring; 1973 1974 unsigned int prefetch_len; 1975 1976 /* Protects access to pending_tx, num_pending_tx */ 1977 spinlock_t tx_lock; 1978 int max_num_pending_tx; 1979 int num_pending_tx; 1980 int num_pending_mgmt_tx; 1981 struct idr pending_tx; 1982 wait_queue_head_t empty_tx_wq; 1983 1984 /* FIFO for storing tx done status {ack, no-ack, discard} and msdu id */ 1985 DECLARE_KFIFO_PTR(txdone_fifo, struct htt_tx_done); 1986 1987 /* set if host-fw communication goes haywire 1988 * used to avoid further failures 1989 */ 1990 bool rx_confused; 1991 atomic_t num_mpdus_ready; 1992 1993 /* This is used to group tx/rx completions separately and process them 1994 * in batches to reduce cache stalls 1995 */ 1996 struct sk_buff_head rx_msdus_q; 1997 struct sk_buff_head rx_in_ord_compl_q; 1998 struct sk_buff_head tx_fetch_ind_q; 1999 2000 /* rx_status template */ 2001 struct ieee80211_rx_status rx_status; 2002 2003 struct { 2004 dma_addr_t paddr; 2005 union { 2006 struct htt_msdu_ext_desc *vaddr_desc_32; 2007 struct htt_msdu_ext_desc_64 *vaddr_desc_64; 2008 }; 2009 size_t size; 2010 } frag_desc; 2011 2012 struct { 2013 dma_addr_t paddr; 2014 union { 2015 struct ath10k_htt_txbuf_32 *vaddr_txbuff_32; 2016 struct ath10k_htt_txbuf_64 *vaddr_txbuff_64; 2017 }; 2018 size_t size; 2019 } txbuf; 2020 2021 struct { 2022 bool enabled; 2023 struct htt_q_state *vaddr; 2024 dma_addr_t paddr; 2025 u16 num_push_allowed; 2026 u16 num_peers; 2027 u16 num_tids; 2028 enum htt_tx_mode_switch_mode mode; 2029 enum htt_q_depth_type type; 2030 } tx_q_state; 2031 2032 bool tx_mem_allocated; 2033 const struct ath10k_htt_tx_ops *tx_ops; 2034 const struct ath10k_htt_rx_ops *rx_ops; 2035 bool disable_tx_comp; 2036 bool bundle_tx; 2037 struct sk_buff_head tx_req_head; 2038 struct sk_buff_head tx_complete_head; 2039 }; 2040 2041 struct ath10k_htt_tx_ops { 2042 int (*htt_send_rx_ring_cfg)(struct ath10k_htt *htt); 2043 int (*htt_send_frag_desc_bank_cfg)(struct ath10k_htt *htt); 2044 int (*htt_alloc_frag_desc)(struct ath10k_htt *htt); 2045 void (*htt_free_frag_desc)(struct ath10k_htt *htt); 2046 int (*htt_tx)(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode, 2047 struct sk_buff *msdu); 2048 int (*htt_alloc_txbuff)(struct ath10k_htt *htt); 2049 void (*htt_free_txbuff)(struct ath10k_htt *htt); 2050 int (*htt_h2t_aggr_cfg_msg)(struct ath10k_htt *htt, 2051 u8 max_subfrms_ampdu, 2052 u8 max_subfrms_amsdu); 2053 void (*htt_flush_tx)(struct ath10k_htt *htt); 2054 }; 2055 2056 static inline int ath10k_htt_send_rx_ring_cfg(struct ath10k_htt *htt) 2057 { 2058 if (!htt->tx_ops->htt_send_rx_ring_cfg) 2059 return -EOPNOTSUPP; 2060 2061 return htt->tx_ops->htt_send_rx_ring_cfg(htt); 2062 } 2063 2064 static inline int ath10k_htt_send_frag_desc_bank_cfg(struct ath10k_htt *htt) 2065 { 2066 if (!htt->tx_ops->htt_send_frag_desc_bank_cfg) 2067 return -EOPNOTSUPP; 2068 2069 return htt->tx_ops->htt_send_frag_desc_bank_cfg(htt); 2070 } 2071 2072 static inline int ath10k_htt_alloc_frag_desc(struct ath10k_htt *htt) 2073 { 2074 if (!htt->tx_ops->htt_alloc_frag_desc) 2075 return -EOPNOTSUPP; 2076 2077 return htt->tx_ops->htt_alloc_frag_desc(htt); 2078 } 2079 2080 static inline void ath10k_htt_free_frag_desc(struct ath10k_htt *htt) 2081 { 2082 if (htt->tx_ops->htt_free_frag_desc) 2083 htt->tx_ops->htt_free_frag_desc(htt); 2084 } 2085 2086 static inline int ath10k_htt_tx(struct ath10k_htt *htt, 2087 enum ath10k_hw_txrx_mode txmode, 2088 struct sk_buff *msdu) 2089 { 2090 return htt->tx_ops->htt_tx(htt, txmode, msdu); 2091 } 2092 2093 static inline void ath10k_htt_flush_tx(struct ath10k_htt *htt) 2094 { 2095 if (htt->tx_ops->htt_flush_tx) 2096 htt->tx_ops->htt_flush_tx(htt); 2097 } 2098 2099 static inline int ath10k_htt_alloc_txbuff(struct ath10k_htt *htt) 2100 { 2101 if (!htt->tx_ops->htt_alloc_txbuff) 2102 return -EOPNOTSUPP; 2103 2104 return htt->tx_ops->htt_alloc_txbuff(htt); 2105 } 2106 2107 static inline void ath10k_htt_free_txbuff(struct ath10k_htt *htt) 2108 { 2109 if (htt->tx_ops->htt_free_txbuff) 2110 htt->tx_ops->htt_free_txbuff(htt); 2111 } 2112 2113 static inline int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt, 2114 u8 max_subfrms_ampdu, 2115 u8 max_subfrms_amsdu) 2116 2117 { 2118 if (!htt->tx_ops->htt_h2t_aggr_cfg_msg) 2119 return -EOPNOTSUPP; 2120 2121 return htt->tx_ops->htt_h2t_aggr_cfg_msg(htt, 2122 max_subfrms_ampdu, 2123 max_subfrms_amsdu); 2124 } 2125 2126 struct ath10k_htt_rx_ops { 2127 size_t (*htt_get_rx_ring_size)(struct ath10k_htt *htt); 2128 void (*htt_config_paddrs_ring)(struct ath10k_htt *htt, void *vaddr); 2129 void (*htt_set_paddrs_ring)(struct ath10k_htt *htt, dma_addr_t paddr, 2130 int idx); 2131 void* (*htt_get_vaddr_ring)(struct ath10k_htt *htt); 2132 void (*htt_reset_paddrs_ring)(struct ath10k_htt *htt, int idx); 2133 bool (*htt_rx_proc_rx_frag_ind)(struct ath10k_htt *htt, 2134 struct htt_rx_fragment_indication *rx, 2135 struct sk_buff *skb); 2136 }; 2137 2138 static inline size_t ath10k_htt_get_rx_ring_size(struct ath10k_htt *htt) 2139 { 2140 if (!htt->rx_ops->htt_get_rx_ring_size) 2141 return 0; 2142 2143 return htt->rx_ops->htt_get_rx_ring_size(htt); 2144 } 2145 2146 static inline void ath10k_htt_config_paddrs_ring(struct ath10k_htt *htt, 2147 void *vaddr) 2148 { 2149 if (htt->rx_ops->htt_config_paddrs_ring) 2150 htt->rx_ops->htt_config_paddrs_ring(htt, vaddr); 2151 } 2152 2153 static inline void ath10k_htt_set_paddrs_ring(struct ath10k_htt *htt, 2154 dma_addr_t paddr, 2155 int idx) 2156 { 2157 if (htt->rx_ops->htt_set_paddrs_ring) 2158 htt->rx_ops->htt_set_paddrs_ring(htt, paddr, idx); 2159 } 2160 2161 static inline void *ath10k_htt_get_vaddr_ring(struct ath10k_htt *htt) 2162 { 2163 if (!htt->rx_ops->htt_get_vaddr_ring) 2164 return NULL; 2165 2166 return htt->rx_ops->htt_get_vaddr_ring(htt); 2167 } 2168 2169 static inline void ath10k_htt_reset_paddrs_ring(struct ath10k_htt *htt, int idx) 2170 { 2171 if (htt->rx_ops->htt_reset_paddrs_ring) 2172 htt->rx_ops->htt_reset_paddrs_ring(htt, idx); 2173 } 2174 2175 static inline bool ath10k_htt_rx_proc_rx_frag_ind(struct ath10k_htt *htt, 2176 struct htt_rx_fragment_indication *rx, 2177 struct sk_buff *skb) 2178 { 2179 if (!htt->rx_ops->htt_rx_proc_rx_frag_ind) 2180 return true; 2181 2182 return htt->rx_ops->htt_rx_proc_rx_frag_ind(htt, rx, skb); 2183 } 2184 2185 #define RX_HTT_HDR_STATUS_LEN 64 2186 2187 /* This structure layout is programmed via rx ring setup 2188 * so that FW knows how to transfer the rx descriptor to the host. 2189 * Buffers like this are placed on the rx ring. 2190 */ 2191 struct htt_rx_desc { 2192 union { 2193 /* This field is filled on the host using the msdu buffer 2194 * from htt_rx_indication 2195 */ 2196 struct fw_rx_desc_base fw_desc; 2197 u32 pad; 2198 } __packed; 2199 struct { 2200 struct rx_attention attention; 2201 struct rx_frag_info frag_info; 2202 struct rx_mpdu_start mpdu_start; 2203 struct rx_msdu_start msdu_start; 2204 struct rx_msdu_end msdu_end; 2205 struct rx_mpdu_end mpdu_end; 2206 struct rx_ppdu_start ppdu_start; 2207 struct rx_ppdu_end ppdu_end; 2208 } __packed; 2209 u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN]; 2210 u8 msdu_payload[]; 2211 }; 2212 2213 #define HTT_RX_DESC_HL_INFO_SEQ_NUM_MASK 0x00000fff 2214 #define HTT_RX_DESC_HL_INFO_SEQ_NUM_LSB 0 2215 #define HTT_RX_DESC_HL_INFO_ENCRYPTED_MASK 0x00001000 2216 #define HTT_RX_DESC_HL_INFO_ENCRYPTED_LSB 12 2217 #define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_MASK 0x00002000 2218 #define HTT_RX_DESC_HL_INFO_CHAN_INFO_PRESENT_LSB 13 2219 #define HTT_RX_DESC_HL_INFO_MCAST_BCAST_MASK 0x00010000 2220 #define HTT_RX_DESC_HL_INFO_MCAST_BCAST_LSB 16 2221 #define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_MASK 0x01fe0000 2222 #define HTT_RX_DESC_HL_INFO_KEY_ID_OCT_LSB 17 2223 2224 struct htt_rx_desc_base_hl { 2225 __le32 info; /* HTT_RX_DESC_HL_INFO_ */ 2226 }; 2227 2228 struct htt_rx_chan_info { 2229 __le16 primary_chan_center_freq_mhz; 2230 __le16 contig_chan1_center_freq_mhz; 2231 __le16 contig_chan2_center_freq_mhz; 2232 u8 phy_mode; 2233 u8 reserved; 2234 } __packed; 2235 2236 #define HTT_RX_DESC_ALIGN 8 2237 2238 #define HTT_MAC_ADDR_LEN 6 2239 2240 /* 2241 * FIX THIS 2242 * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size, 2243 * rounded up to a cache line size. 2244 */ 2245 #define HTT_RX_BUF_SIZE 2048 2246 #define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc)) 2247 2248 /* Refill a bunch of RX buffers for each refill round so that FW/HW can handle 2249 * aggregated traffic more nicely. 2250 */ 2251 #define ATH10K_HTT_MAX_NUM_REFILL 100 2252 2253 /* 2254 * DMA_MAP expects the buffer to be an integral number of cache lines. 2255 * Rather than checking the actual cache line size, this code makes a 2256 * conservative estimate of what the cache line size could be. 2257 */ 2258 #define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */ 2259 #define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1) 2260 2261 /* These values are default in most firmware revisions and apparently are a 2262 * sweet spot performance wise. 2263 */ 2264 #define ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT 3 2265 #define ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT 64 2266 2267 int ath10k_htt_connect(struct ath10k_htt *htt); 2268 int ath10k_htt_init(struct ath10k *ar); 2269 int ath10k_htt_setup(struct ath10k_htt *htt); 2270 2271 int ath10k_htt_tx_start(struct ath10k_htt *htt); 2272 void ath10k_htt_tx_stop(struct ath10k_htt *htt); 2273 void ath10k_htt_tx_destroy(struct ath10k_htt *htt); 2274 void ath10k_htt_tx_free(struct ath10k_htt *htt); 2275 2276 int ath10k_htt_rx_alloc(struct ath10k_htt *htt); 2277 int ath10k_htt_rx_ring_refill(struct ath10k *ar); 2278 void ath10k_htt_rx_free(struct ath10k_htt *htt); 2279 2280 void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb); 2281 void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); 2282 bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb); 2283 int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt); 2284 int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask, 2285 u64 cookie); 2286 void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb); 2287 int ath10k_htt_tx_fetch_resp(struct ath10k *ar, 2288 __le32 token, 2289 __le16 fetch_seq_num, 2290 struct htt_tx_fetch_record *records, 2291 size_t num_records); 2292 void ath10k_htt_op_ep_tx_credits(struct ath10k *ar); 2293 2294 void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw, 2295 struct ieee80211_txq *txq); 2296 void ath10k_htt_tx_txq_recalc(struct ieee80211_hw *hw, 2297 struct ieee80211_txq *txq); 2298 void ath10k_htt_tx_txq_sync(struct ath10k *ar); 2299 void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt); 2300 int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt); 2301 void ath10k_htt_tx_mgmt_dec_pending(struct ath10k_htt *htt); 2302 int ath10k_htt_tx_mgmt_inc_pending(struct ath10k_htt *htt, bool is_mgmt, 2303 bool is_presp); 2304 2305 int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb); 2306 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id); 2307 int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu); 2308 void ath10k_htt_rx_pktlog_completion_handler(struct ath10k *ar, 2309 struct sk_buff *skb); 2310 int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget); 2311 int ath10k_htt_rx_hl_indication(struct ath10k *ar, int budget); 2312 void ath10k_htt_set_tx_ops(struct ath10k_htt *htt); 2313 void ath10k_htt_set_rx_ops(struct ath10k_htt *htt); 2314 #endif 2315