Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011-2015 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * @file htt_t2h.c |
| 30 | * @brief Provide functions to process target->host HTT messages. |
| 31 | * @details |
| 32 | * This file contains functions related to target->host HTT messages. |
| 33 | * There are two categories of functions: |
| 34 | * 1. A function that receives a HTT message from HTC, and dispatches it |
| 35 | * based on the HTT message type. |
| 36 | * 2. functions that provide the info elements from specific HTT messages. |
| 37 | */ |
| 38 | |
| 39 | #include <htc_api.h> /* HTC_PACKET */ |
| 40 | #include <htt.h> /* HTT_T2H_MSG_TYPE, etc. */ |
| 41 | #include <cdf_nbuf.h> /* cdf_nbuf_t */ |
| 42 | |
| 43 | #include <ol_htt_rx_api.h> |
| 44 | #include <ol_htt_tx_api.h> |
| 45 | #include <ol_txrx_htt_api.h> /* htt_tx_status */ |
| 46 | |
| 47 | #include <htt_internal.h> /* HTT_TX_SCHED, etc. */ |
| 48 | #include <pktlog_ac_fmt.h> |
| 49 | #include <wdi_event.h> |
| 50 | #include <ol_htt_tx_api.h> |
| 51 | #include <ol_txrx_types.h> |
| 52 | /*--- target->host HTT message dispatch function ----------------------------*/ |
| 53 | |
| 54 | #ifndef DEBUG_CREDIT |
| 55 | #define DEBUG_CREDIT 0 |
| 56 | #endif |
| 57 | |
| 58 | static uint8_t *htt_t2h_mac_addr_deswizzle(uint8_t *tgt_mac_addr, |
| 59 | uint8_t *buffer) |
| 60 | { |
| 61 | #ifdef BIG_ENDIAN_HOST |
| 62 | /* |
| 63 | * The host endianness is opposite of the target endianness. |
| 64 | * To make uint32_t elements come out correctly, the target->host |
| 65 | * upload has swizzled the bytes in each uint32_t element of the |
| 66 | * message. |
| 67 | * For byte-array message fields like the MAC address, this |
| 68 | * upload swizzling puts the bytes in the wrong order, and needs |
| 69 | * to be undone. |
| 70 | */ |
| 71 | buffer[0] = tgt_mac_addr[3]; |
| 72 | buffer[1] = tgt_mac_addr[2]; |
| 73 | buffer[2] = tgt_mac_addr[1]; |
| 74 | buffer[3] = tgt_mac_addr[0]; |
| 75 | buffer[4] = tgt_mac_addr[7]; |
| 76 | buffer[5] = tgt_mac_addr[6]; |
| 77 | return buffer; |
| 78 | #else |
| 79 | /* |
| 80 | * The host endianness matches the target endianness - |
| 81 | * we can use the mac addr directly from the message buffer. |
| 82 | */ |
| 83 | return tgt_mac_addr; |
| 84 | #endif |
| 85 | } |
| 86 | |
| 87 | static void htt_rx_frag_set_last_msdu(struct htt_pdev_t *pdev, cdf_nbuf_t msg) |
| 88 | { |
| 89 | uint32_t *msg_word; |
| 90 | unsigned num_msdu_bytes; |
| 91 | cdf_nbuf_t msdu; |
| 92 | struct htt_host_rx_desc_base *rx_desc; |
| 93 | int start_idx; |
| 94 | uint8_t *p_fw_msdu_rx_desc = 0; |
| 95 | |
| 96 | msg_word = (uint32_t *) cdf_nbuf_data(msg); |
| 97 | num_msdu_bytes = HTT_RX_FRAG_IND_FW_RX_DESC_BYTES_GET( |
| 98 | *(msg_word + HTT_RX_FRAG_IND_HDR_PREFIX_SIZE32)); |
| 99 | /* |
| 100 | * 1 word for the message header, |
| 101 | * 1 word to specify the number of MSDU bytes, |
| 102 | * 1 word for every 4 MSDU bytes (round up), |
| 103 | * 1 word for the MPDU range header |
| 104 | */ |
| 105 | pdev->rx_mpdu_range_offset_words = 3 + ((num_msdu_bytes + 3) >> 2); |
| 106 | pdev->rx_ind_msdu_byte_idx = 0; |
| 107 | |
| 108 | p_fw_msdu_rx_desc = ((uint8_t *) (msg_word) + |
| 109 | HTT_ENDIAN_BYTE_IDX_SWAP |
| 110 | (HTT_RX_FRAG_IND_FW_DESC_BYTE_OFFSET)); |
| 111 | |
| 112 | /* |
| 113 | * Fix for EV126710, in which BSOD occurs due to last_msdu bit |
| 114 | * not set while the next pointer is deliberately set to NULL |
| 115 | * before calling ol_rx_pn_check_base() |
| 116 | * |
| 117 | * For fragment frames, the HW may not have set the last_msdu bit |
| 118 | * in the rx descriptor, but the SW expects this flag to be set, |
| 119 | * since each fragment is in a separate MPDU. Thus, set the flag here, |
| 120 | * just in case the HW didn't. |
| 121 | */ |
| 122 | start_idx = pdev->rx_ring.sw_rd_idx.msdu_payld; |
| 123 | msdu = pdev->rx_ring.buf.netbufs_ring[start_idx]; |
| 124 | cdf_nbuf_set_pktlen(msdu, HTT_RX_BUF_SIZE); |
| 125 | cdf_nbuf_unmap(pdev->osdev, msdu, CDF_DMA_FROM_DEVICE); |
| 126 | rx_desc = htt_rx_desc(msdu); |
| 127 | *((uint8_t *) &rx_desc->fw_desc.u.val) = *p_fw_msdu_rx_desc; |
| 128 | rx_desc->msdu_end.last_msdu = 1; |
| 129 | cdf_nbuf_map(pdev->osdev, msdu, CDF_DMA_FROM_DEVICE); |
| 130 | } |
| 131 | |
| 132 | /* Target to host Msg/event handler for low priority messages*/ |
| 133 | void htt_t2h_lp_msg_handler(void *context, cdf_nbuf_t htt_t2h_msg) |
| 134 | { |
| 135 | struct htt_pdev_t *pdev = (struct htt_pdev_t *)context; |
| 136 | uint32_t *msg_word; |
| 137 | enum htt_t2h_msg_type msg_type; |
| 138 | |
| 139 | msg_word = (uint32_t *) cdf_nbuf_data(htt_t2h_msg); |
| 140 | msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word); |
| 141 | switch (msg_type) { |
| 142 | case HTT_T2H_MSG_TYPE_VERSION_CONF: |
| 143 | { |
| 144 | pdev->tgt_ver.major = HTT_VER_CONF_MAJOR_GET(*msg_word); |
| 145 | pdev->tgt_ver.minor = HTT_VER_CONF_MINOR_GET(*msg_word); |
| 146 | cdf_print |
| 147 | ("target uses HTT version %d.%d; host uses %d.%d\n", |
| 148 | pdev->tgt_ver.major, pdev->tgt_ver.minor, |
| 149 | HTT_CURRENT_VERSION_MAJOR, |
| 150 | HTT_CURRENT_VERSION_MINOR); |
| 151 | if (pdev->tgt_ver.major != HTT_CURRENT_VERSION_MAJOR) |
| 152 | cdf_print |
| 153 | ("*** Incompatible host/target HTT versions!\n"); |
| 154 | /* abort if the target is incompatible with the host */ |
| 155 | cdf_assert(pdev->tgt_ver.major == |
| 156 | HTT_CURRENT_VERSION_MAJOR); |
| 157 | if (pdev->tgt_ver.minor != HTT_CURRENT_VERSION_MINOR) { |
| 158 | cdf_print("*** Warning: host/target HTT versions are "); |
| 159 | cdf_print(" different, though compatible!\n"); |
| 160 | } |
| 161 | break; |
| 162 | } |
| 163 | case HTT_T2H_MSG_TYPE_RX_FLUSH: |
| 164 | { |
| 165 | uint16_t peer_id; |
| 166 | uint8_t tid; |
| 167 | int seq_num_start, seq_num_end; |
| 168 | enum htt_rx_flush_action action; |
| 169 | |
| 170 | peer_id = HTT_RX_FLUSH_PEER_ID_GET(*msg_word); |
| 171 | tid = HTT_RX_FLUSH_TID_GET(*msg_word); |
| 172 | seq_num_start = |
| 173 | HTT_RX_FLUSH_SEQ_NUM_START_GET(*(msg_word + 1)); |
| 174 | seq_num_end = |
| 175 | HTT_RX_FLUSH_SEQ_NUM_END_GET(*(msg_word + 1)); |
| 176 | action = |
| 177 | HTT_RX_FLUSH_MPDU_STATUS_GET(*(msg_word + 1)) == |
| 178 | 1 ? htt_rx_flush_release : htt_rx_flush_discard; |
| 179 | ol_rx_flush_handler(pdev->txrx_pdev, peer_id, tid, |
| 180 | seq_num_start, seq_num_end, action); |
| 181 | break; |
| 182 | } |
| 183 | case HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND: |
| 184 | { |
| 185 | int msdu_cnt; |
| 186 | msdu_cnt = |
| 187 | HTT_RX_OFFLOAD_DELIVER_IND_MSDU_CNT_GET(*msg_word); |
| 188 | ol_rx_offload_deliver_ind_handler(pdev->txrx_pdev, |
| 189 | htt_t2h_msg, |
| 190 | msdu_cnt); |
| 191 | break; |
| 192 | } |
| 193 | case HTT_T2H_MSG_TYPE_RX_FRAG_IND: |
| 194 | { |
| 195 | uint16_t peer_id; |
| 196 | uint8_t tid; |
| 197 | |
| 198 | peer_id = HTT_RX_FRAG_IND_PEER_ID_GET(*msg_word); |
| 199 | tid = HTT_RX_FRAG_IND_EXT_TID_GET(*msg_word); |
| 200 | htt_rx_frag_set_last_msdu(pdev, htt_t2h_msg); |
| 201 | |
| 202 | ol_rx_frag_indication_handler(pdev->txrx_pdev, |
| 203 | htt_t2h_msg, |
| 204 | peer_id, tid); |
| 205 | break; |
| 206 | } |
| 207 | case HTT_T2H_MSG_TYPE_RX_ADDBA: |
| 208 | { |
| 209 | uint16_t peer_id; |
| 210 | uint8_t tid; |
| 211 | uint8_t win_sz; |
| 212 | uint16_t start_seq_num; |
| 213 | |
| 214 | /* |
| 215 | * FOR NOW, the host doesn't need to know the initial |
| 216 | * sequence number for rx aggregation. |
| 217 | * Thus, any value will do - specify 0. |
| 218 | */ |
| 219 | start_seq_num = 0; |
| 220 | peer_id = HTT_RX_ADDBA_PEER_ID_GET(*msg_word); |
| 221 | tid = HTT_RX_ADDBA_TID_GET(*msg_word); |
| 222 | win_sz = HTT_RX_ADDBA_WIN_SIZE_GET(*msg_word); |
| 223 | ol_rx_addba_handler(pdev->txrx_pdev, peer_id, tid, |
| 224 | win_sz, start_seq_num, |
| 225 | 0 /* success */); |
| 226 | break; |
| 227 | } |
| 228 | case HTT_T2H_MSG_TYPE_RX_DELBA: |
| 229 | { |
| 230 | uint16_t peer_id; |
| 231 | uint8_t tid; |
| 232 | |
| 233 | peer_id = HTT_RX_DELBA_PEER_ID_GET(*msg_word); |
| 234 | tid = HTT_RX_DELBA_TID_GET(*msg_word); |
| 235 | ol_rx_delba_handler(pdev->txrx_pdev, peer_id, tid); |
| 236 | break; |
| 237 | } |
| 238 | case HTT_T2H_MSG_TYPE_PEER_MAP: |
| 239 | { |
| 240 | uint8_t mac_addr_deswizzle_buf[HTT_MAC_ADDR_LEN]; |
| 241 | uint8_t *peer_mac_addr; |
| 242 | uint16_t peer_id; |
| 243 | uint8_t vdev_id; |
| 244 | |
| 245 | peer_id = HTT_RX_PEER_MAP_PEER_ID_GET(*msg_word); |
| 246 | vdev_id = HTT_RX_PEER_MAP_VDEV_ID_GET(*msg_word); |
| 247 | peer_mac_addr = htt_t2h_mac_addr_deswizzle( |
| 248 | (uint8_t *) (msg_word + 1), |
| 249 | &mac_addr_deswizzle_buf[0]); |
| 250 | |
| 251 | ol_rx_peer_map_handler(pdev->txrx_pdev, peer_id, |
| 252 | vdev_id, peer_mac_addr, |
| 253 | 1 /*can tx */); |
| 254 | break; |
| 255 | } |
| 256 | case HTT_T2H_MSG_TYPE_PEER_UNMAP: |
| 257 | { |
| 258 | uint16_t peer_id; |
| 259 | peer_id = HTT_RX_PEER_UNMAP_PEER_ID_GET(*msg_word); |
| 260 | |
| 261 | ol_rx_peer_unmap_handler(pdev->txrx_pdev, peer_id); |
| 262 | break; |
| 263 | } |
| 264 | case HTT_T2H_MSG_TYPE_SEC_IND: |
| 265 | { |
| 266 | uint16_t peer_id; |
| 267 | enum htt_sec_type sec_type; |
| 268 | int is_unicast; |
| 269 | |
| 270 | peer_id = HTT_SEC_IND_PEER_ID_GET(*msg_word); |
| 271 | sec_type = HTT_SEC_IND_SEC_TYPE_GET(*msg_word); |
| 272 | is_unicast = HTT_SEC_IND_UNICAST_GET(*msg_word); |
| 273 | msg_word++; /* point to the first part of the Michael key */ |
| 274 | ol_rx_sec_ind_handler(pdev->txrx_pdev, peer_id, |
| 275 | sec_type, is_unicast, msg_word, |
| 276 | msg_word + 2); |
| 277 | break; |
| 278 | } |
| 279 | case HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND: |
| 280 | { |
| 281 | struct htt_mgmt_tx_compl_ind *compl_msg; |
| 282 | |
| 283 | compl_msg = |
| 284 | (struct htt_mgmt_tx_compl_ind *)(msg_word + 1); |
| 285 | |
| 286 | ol_tx_single_completion_handler(pdev->txrx_pdev, |
| 287 | compl_msg->status, |
| 288 | compl_msg->desc_id); |
| 289 | HTT_TX_SCHED(pdev); |
| 290 | break; |
| 291 | } |
| 292 | case HTT_T2H_MSG_TYPE_STATS_CONF: |
| 293 | { |
| 294 | uint64_t cookie; |
| 295 | uint8_t *stats_info_list; |
| 296 | |
| 297 | cookie = *(msg_word + 1); |
| 298 | cookie |= ((uint64_t) (*(msg_word + 2))) << 32; |
| 299 | |
| 300 | stats_info_list = (uint8_t *) (msg_word + 3); |
| 301 | ol_txrx_fw_stats_handler(pdev->txrx_pdev, cookie, |
| 302 | stats_info_list); |
| 303 | break; |
| 304 | } |
| 305 | #ifndef REMOVE_PKT_LOG |
| 306 | case HTT_T2H_MSG_TYPE_PKTLOG: |
| 307 | { |
| 308 | uint32_t *pl_hdr; |
| 309 | uint32_t log_type; |
| 310 | pl_hdr = (msg_word + 1); |
| 311 | log_type = |
| 312 | (*(pl_hdr + 1) & ATH_PKTLOG_HDR_LOG_TYPE_MASK) >> |
| 313 | ATH_PKTLOG_HDR_LOG_TYPE_SHIFT; |
| 314 | if ((log_type == PKTLOG_TYPE_TX_CTRL) |
| 315 | || (log_type == PKTLOG_TYPE_TX_STAT) |
| 316 | || (log_type == PKTLOG_TYPE_TX_MSDU_ID) |
| 317 | || (log_type == PKTLOG_TYPE_TX_FRM_HDR) |
| 318 | || (log_type == PKTLOG_TYPE_TX_VIRT_ADDR)) |
| 319 | wdi_event_handler(WDI_EVENT_TX_STATUS, |
| 320 | pdev->txrx_pdev, pl_hdr); |
| 321 | else if (log_type == PKTLOG_TYPE_RC_FIND) |
| 322 | wdi_event_handler(WDI_EVENT_RATE_FIND, |
| 323 | pdev->txrx_pdev, pl_hdr); |
| 324 | else if (log_type == PKTLOG_TYPE_RC_UPDATE) |
| 325 | wdi_event_handler(WDI_EVENT_RATE_UPDATE, |
| 326 | pdev->txrx_pdev, pl_hdr); |
| 327 | else if (log_type == PKTLOG_TYPE_RX_STAT) |
| 328 | wdi_event_handler(WDI_EVENT_RX_DESC, |
| 329 | pdev->txrx_pdev, pl_hdr); |
| 330 | |
| 331 | break; |
| 332 | } |
| 333 | #endif |
| 334 | case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND: |
| 335 | { |
| 336 | uint32_t htt_credit_delta_abs; |
| 337 | int32_t htt_credit_delta; |
| 338 | int sign; |
| 339 | |
| 340 | htt_credit_delta_abs = |
| 341 | HTT_TX_CREDIT_DELTA_ABS_GET(*msg_word); |
| 342 | sign = HTT_TX_CREDIT_SIGN_BIT_GET(*msg_word) ? -1 : 1; |
| 343 | htt_credit_delta = sign * htt_credit_delta_abs; |
| 344 | ol_tx_credit_completion_handler(pdev->txrx_pdev, |
| 345 | htt_credit_delta); |
| 346 | break; |
| 347 | } |
| 348 | |
| 349 | case HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE: |
| 350 | { |
| 351 | uint8_t op_code; |
| 352 | uint16_t len; |
| 353 | uint8_t *op_msg_buffer; |
| 354 | uint8_t *msg_start_ptr; |
| 355 | |
| 356 | msg_start_ptr = (uint8_t *) msg_word; |
| 357 | op_code = |
| 358 | HTT_WDI_IPA_OP_RESPONSE_OP_CODE_GET(*msg_word); |
| 359 | msg_word++; |
| 360 | len = HTT_WDI_IPA_OP_RESPONSE_RSP_LEN_GET(*msg_word); |
| 361 | |
| 362 | op_msg_buffer = |
| 363 | cdf_mem_malloc(sizeof |
| 364 | (struct htt_wdi_ipa_op_response_t) + |
| 365 | len); |
| 366 | if (!op_msg_buffer) { |
| 367 | cdf_print("OPCODE messsage buffer alloc fail"); |
| 368 | break; |
| 369 | } |
| 370 | cdf_mem_copy(op_msg_buffer, |
| 371 | msg_start_ptr, |
| 372 | sizeof(struct htt_wdi_ipa_op_response_t) + |
| 373 | len); |
| 374 | ol_txrx_ipa_uc_op_response(pdev->txrx_pdev, |
| 375 | op_msg_buffer); |
| 376 | break; |
| 377 | } |
| 378 | |
| 379 | case HTT_T2H_MSG_TYPE_FLOW_POOL_MAP: |
| 380 | { |
| 381 | uint8_t num_flows; |
| 382 | struct htt_flow_pool_map_payload_t *pool_map_payoad; |
| 383 | |
| 384 | num_flows = HTT_FLOW_POOL_MAP_NUM_FLOWS_GET(*msg_word); |
| 385 | |
| 386 | msg_word++; |
| 387 | while (num_flows) { |
| 388 | pool_map_payoad = (struct htt_flow_pool_map_payload_t *) |
| 389 | msg_word; |
| 390 | ol_tx_flow_pool_map_handler(pool_map_payoad->flow_id, |
| 391 | pool_map_payoad->flow_type, |
| 392 | pool_map_payoad->flow_pool_id, |
| 393 | pool_map_payoad->flow_pool_size); |
| 394 | |
| 395 | msg_word += (HTT_FLOW_POOL_MAP_PAYLOAD_SZ / |
| 396 | HTT_FLOW_POOL_MAP_HEADER_SZ); |
| 397 | num_flows--; |
| 398 | } |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | case HTT_T2H_MSG_TYPE_FLOW_POOL_UNMAP: |
| 403 | { |
| 404 | struct htt_flow_pool_unmap_t *pool_numap_payload; |
| 405 | |
| 406 | pool_numap_payload = (struct htt_flow_pool_unmap_t *)msg_word; |
| 407 | ol_tx_flow_pool_unmap_handler(pool_numap_payload->flow_id, |
| 408 | pool_numap_payload->flow_type, |
| 409 | pool_numap_payload->flow_pool_id); |
| 410 | break; |
| 411 | } |
| 412 | |
| 413 | default: |
| 414 | break; |
| 415 | }; |
| 416 | /* Free the indication buffer */ |
| 417 | cdf_nbuf_free(htt_t2h_msg); |
| 418 | } |
| 419 | |
| 420 | /* Generic Target to host Msg/event handler for low priority messages |
| 421 | Low priority message are handler in a different handler called from |
| 422 | this function . So that the most likely succes path like Rx and |
| 423 | Tx comp has little code foot print |
| 424 | */ |
| 425 | void htt_t2h_msg_handler(void *context, HTC_PACKET *pkt) |
| 426 | { |
| 427 | struct htt_pdev_t *pdev = (struct htt_pdev_t *)context; |
| 428 | cdf_nbuf_t htt_t2h_msg = (cdf_nbuf_t) pkt->pPktContext; |
| 429 | uint32_t *msg_word; |
| 430 | enum htt_t2h_msg_type msg_type; |
| 431 | |
| 432 | /* check for successful message reception */ |
| 433 | if (pkt->Status != A_OK) { |
| 434 | if (pkt->Status != A_ECANCELED) |
| 435 | pdev->stats.htc_err_cnt++; |
| 436 | cdf_nbuf_free(htt_t2h_msg); |
| 437 | return; |
| 438 | } |
| 439 | #ifdef HTT_RX_RESTORE |
| 440 | if (cdf_unlikely(pdev->rx_ring.rx_reset)) { |
| 441 | cdf_print("rx restore ..\n"); |
| 442 | cdf_nbuf_free(htt_t2h_msg); |
| 443 | return; |
| 444 | } |
| 445 | #endif |
| 446 | |
| 447 | /* confirm alignment */ |
| 448 | HTT_ASSERT3((((unsigned long)cdf_nbuf_data(htt_t2h_msg)) & 0x3) == 0); |
| 449 | |
| 450 | msg_word = (uint32_t *) cdf_nbuf_data(htt_t2h_msg); |
| 451 | msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word); |
| 452 | |
| 453 | #if defined(HELIUMPLUS_DEBUG) |
| 454 | cdf_print("%s %d: msg_word 0x%x msg_type %d\n", |
| 455 | __func__, __LINE__, *msg_word, msg_type); |
| 456 | #endif |
| 457 | |
| 458 | switch (msg_type) { |
| 459 | case HTT_T2H_MSG_TYPE_RX_IND: |
| 460 | { |
| 461 | unsigned num_mpdu_ranges; |
| 462 | unsigned num_msdu_bytes; |
| 463 | uint16_t peer_id; |
| 464 | uint8_t tid; |
| 465 | |
| 466 | if (cdf_unlikely(pdev->cfg.is_full_reorder_offload)) { |
| 467 | cdf_print("HTT_T2H_MSG_TYPE_RX_IND not supported "); |
| 468 | cdf_print("with full reorder offload\n"); |
| 469 | break; |
| 470 | } |
| 471 | peer_id = HTT_RX_IND_PEER_ID_GET(*msg_word); |
| 472 | tid = HTT_RX_IND_EXT_TID_GET(*msg_word); |
| 473 | |
| 474 | num_msdu_bytes = |
| 475 | HTT_RX_IND_FW_RX_DESC_BYTES_GET( |
| 476 | *(msg_word + 2 + HTT_RX_PPDU_DESC_SIZE32)); |
| 477 | /* |
| 478 | * 1 word for the message header, |
| 479 | * HTT_RX_PPDU_DESC_SIZE32 words for the FW rx PPDU desc |
| 480 | * 1 word to specify the number of MSDU bytes, |
| 481 | * 1 word for every 4 MSDU bytes (round up), |
| 482 | * 1 word for the MPDU range header |
| 483 | */ |
| 484 | pdev->rx_mpdu_range_offset_words = |
| 485 | (HTT_RX_IND_HDR_BYTES + num_msdu_bytes + 3) >> 2; |
| 486 | num_mpdu_ranges = |
| 487 | HTT_RX_IND_NUM_MPDU_RANGES_GET(*(msg_word + 1)); |
| 488 | pdev->rx_ind_msdu_byte_idx = 0; |
| 489 | |
| 490 | ol_rx_indication_handler(pdev->txrx_pdev, |
| 491 | htt_t2h_msg, peer_id, |
| 492 | tid, num_mpdu_ranges); |
| 493 | break; |
| 494 | } |
| 495 | case HTT_T2H_MSG_TYPE_TX_COMPL_IND: |
| 496 | { |
| 497 | int num_msdus; |
| 498 | enum htt_tx_status status; |
| 499 | |
| 500 | /* status - no enum translation needed */ |
| 501 | status = HTT_TX_COMPL_IND_STATUS_GET(*msg_word); |
| 502 | num_msdus = HTT_TX_COMPL_IND_NUM_GET(*msg_word); |
| 503 | if (num_msdus & 0x1) { |
| 504 | struct htt_tx_compl_ind_base *compl = |
| 505 | (void *)msg_word; |
| 506 | |
| 507 | /* |
| 508 | * Host CPU endianness can be different from FW CPU. |
| 509 | * This can result in even and odd MSDU IDs being |
| 510 | * switched. If this happens, copy the switched final |
| 511 | * odd MSDU ID from location payload[size], to |
| 512 | * location payload[size-1], where the message |
| 513 | * handler function expects to find it |
| 514 | */ |
| 515 | if (compl->payload[num_msdus] != |
| 516 | HTT_TX_COMPL_INV_MSDU_ID) { |
| 517 | compl->payload[num_msdus - 1] = |
| 518 | compl->payload[num_msdus]; |
| 519 | } |
| 520 | } |
| 521 | ol_tx_completion_handler(pdev->txrx_pdev, num_msdus, |
| 522 | status, msg_word + 1); |
| 523 | HTT_TX_SCHED(pdev); |
| 524 | break; |
| 525 | } |
| 526 | case HTT_T2H_MSG_TYPE_RX_PN_IND: |
| 527 | { |
| 528 | uint16_t peer_id; |
| 529 | uint8_t tid, pn_ie_cnt, *pn_ie = NULL; |
| 530 | int seq_num_start, seq_num_end; |
| 531 | |
| 532 | /*First dword */ |
| 533 | peer_id = HTT_RX_PN_IND_PEER_ID_GET(*msg_word); |
| 534 | tid = HTT_RX_PN_IND_EXT_TID_GET(*msg_word); |
| 535 | |
| 536 | msg_word++; |
| 537 | /*Second dword */ |
| 538 | seq_num_start = |
| 539 | HTT_RX_PN_IND_SEQ_NUM_START_GET(*msg_word); |
| 540 | seq_num_end = HTT_RX_PN_IND_SEQ_NUM_END_GET(*msg_word); |
| 541 | pn_ie_cnt = HTT_RX_PN_IND_PN_IE_CNT_GET(*msg_word); |
| 542 | |
| 543 | msg_word++; |
| 544 | /*Third dword */ |
| 545 | if (pn_ie_cnt) |
| 546 | pn_ie = (uint8_t *) msg_word; |
| 547 | |
| 548 | ol_rx_pn_ind_handler(pdev->txrx_pdev, peer_id, tid, |
| 549 | seq_num_start, seq_num_end, |
| 550 | pn_ie_cnt, pn_ie); |
| 551 | |
| 552 | break; |
| 553 | } |
| 554 | case HTT_T2H_MSG_TYPE_TX_INSPECT_IND: |
| 555 | { |
| 556 | int num_msdus; |
| 557 | |
| 558 | num_msdus = HTT_TX_COMPL_IND_NUM_GET(*msg_word); |
| 559 | if (num_msdus & 0x1) { |
| 560 | struct htt_tx_compl_ind_base *compl = |
| 561 | (void *)msg_word; |
| 562 | |
| 563 | /* |
| 564 | * Host CPU endianness can be different from FW CPU. |
| 565 | * This can result in even and odd MSDU IDs being |
| 566 | * switched. If this happens, copy the switched final |
| 567 | * odd MSDU ID from location payload[size], to |
| 568 | * location payload[size-1], where the message handler |
| 569 | * function expects to find it |
| 570 | */ |
| 571 | if (compl->payload[num_msdus] != |
| 572 | HTT_TX_COMPL_INV_MSDU_ID) { |
| 573 | compl->payload[num_msdus - 1] = |
| 574 | compl->payload[num_msdus]; |
| 575 | } |
| 576 | } |
| 577 | ol_tx_inspect_handler(pdev->txrx_pdev, num_msdus, |
| 578 | msg_word + 1); |
| 579 | HTT_TX_SCHED(pdev); |
| 580 | break; |
| 581 | } |
| 582 | case HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND: |
| 583 | { |
| 584 | uint16_t peer_id; |
| 585 | uint8_t tid; |
| 586 | uint8_t offload_ind, frag_ind; |
| 587 | |
| 588 | if (cdf_unlikely(!pdev->cfg.is_full_reorder_offload)) { |
| 589 | cdf_print("HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND not "); |
| 590 | cdf_print("supported when full reorder offload is "); |
| 591 | cdf_print("disabled in the configuration.\n"); |
| 592 | break; |
| 593 | } |
| 594 | |
| 595 | peer_id = HTT_RX_IN_ORD_PADDR_IND_PEER_ID_GET(*msg_word); |
| 596 | tid = HTT_RX_IN_ORD_PADDR_IND_EXT_TID_GET(*msg_word); |
| 597 | offload_ind = HTT_RX_IN_ORD_PADDR_IND_OFFLOAD_GET(*msg_word); |
| 598 | frag_ind = HTT_RX_IN_ORD_PADDR_IND_FRAG_GET(*msg_word); |
| 599 | |
| 600 | #if defined(HELIUMPLUS_DEBUG) |
| 601 | cdf_print("%s %d: peerid %d tid %d offloadind %d fragind %d\n", |
| 602 | __func__, __LINE__, peer_id, tid, offload_ind, |
| 603 | frag_ind); |
| 604 | #endif |
| 605 | if (cdf_unlikely(frag_ind)) { |
| 606 | ol_rx_frag_indication_handler(pdev->txrx_pdev, |
| 607 | htt_t2h_msg, |
| 608 | peer_id, tid); |
| 609 | break; |
| 610 | } |
| 611 | |
| 612 | ol_rx_in_order_indication_handler(pdev->txrx_pdev, |
| 613 | htt_t2h_msg, peer_id, |
| 614 | tid, offload_ind); |
| 615 | break; |
| 616 | } |
| 617 | |
| 618 | default: |
| 619 | htt_t2h_lp_msg_handler(context, htt_t2h_msg); |
| 620 | return; |
| 621 | |
| 622 | }; |
| 623 | |
| 624 | /* Free the indication buffer */ |
| 625 | cdf_nbuf_free(htt_t2h_msg); |
| 626 | } |
| 627 | |
| 628 | /*--- target->host HTT message Info Element access methods ------------------*/ |
| 629 | |
| 630 | /*--- tx completion message ---*/ |
| 631 | |
| 632 | uint16_t htt_tx_compl_desc_id(void *iterator, int num) |
| 633 | { |
| 634 | /* |
| 635 | * The MSDU IDs are packed , 2 per 32-bit word. |
| 636 | * Iterate on them as an array of 16-bit elements. |
| 637 | * This will work fine if the host endianness matches |
| 638 | * the target endianness. |
| 639 | * If the host endianness is opposite of the target's, |
| 640 | * this iterator will produce descriptor IDs in a different |
| 641 | * order than the target inserted them into the message - |
| 642 | * if the target puts in [0, 1, 2, 3, ...] the host will |
| 643 | * put out [1, 0, 3, 2, ...]. |
| 644 | * This is fine, except for the last ID if there are an |
| 645 | * odd number of IDs. But the TX_COMPL_IND handling code |
| 646 | * in the htt_t2h_msg_handler already added a duplicate |
| 647 | * of the final ID, if there were an odd number of IDs, |
| 648 | * so this function can safely treat the IDs as an array |
| 649 | * of 16-bit elements. |
| 650 | */ |
| 651 | return *(((uint16_t *) iterator) + num); |
| 652 | } |
| 653 | |
| 654 | /*--- rx indication message ---*/ |
| 655 | |
| 656 | int htt_rx_ind_flush(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg) |
| 657 | { |
| 658 | uint32_t *msg_word; |
| 659 | |
| 660 | msg_word = (uint32_t *) cdf_nbuf_data(rx_ind_msg); |
| 661 | return HTT_RX_IND_FLUSH_VALID_GET(*msg_word); |
| 662 | } |
| 663 | |
| 664 | void |
| 665 | htt_rx_ind_flush_seq_num_range(htt_pdev_handle pdev, |
| 666 | cdf_nbuf_t rx_ind_msg, |
| 667 | unsigned *seq_num_start, unsigned *seq_num_end) |
| 668 | { |
| 669 | uint32_t *msg_word; |
| 670 | |
| 671 | msg_word = (uint32_t *) cdf_nbuf_data(rx_ind_msg); |
| 672 | msg_word++; |
| 673 | *seq_num_start = HTT_RX_IND_FLUSH_SEQ_NUM_START_GET(*msg_word); |
| 674 | *seq_num_end = HTT_RX_IND_FLUSH_SEQ_NUM_END_GET(*msg_word); |
| 675 | } |
| 676 | |
| 677 | int htt_rx_ind_release(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg) |
| 678 | { |
| 679 | uint32_t *msg_word; |
| 680 | |
| 681 | msg_word = (uint32_t *) cdf_nbuf_data(rx_ind_msg); |
| 682 | return HTT_RX_IND_REL_VALID_GET(*msg_word); |
| 683 | } |
| 684 | |
| 685 | void |
| 686 | htt_rx_ind_release_seq_num_range(htt_pdev_handle pdev, |
| 687 | cdf_nbuf_t rx_ind_msg, |
| 688 | unsigned *seq_num_start, unsigned *seq_num_end) |
| 689 | { |
| 690 | uint32_t *msg_word; |
| 691 | |
| 692 | msg_word = (uint32_t *) cdf_nbuf_data(rx_ind_msg); |
| 693 | msg_word++; |
| 694 | *seq_num_start = HTT_RX_IND_REL_SEQ_NUM_START_GET(*msg_word); |
| 695 | *seq_num_end = HTT_RX_IND_REL_SEQ_NUM_END_GET(*msg_word); |
| 696 | } |
| 697 | |
| 698 | void |
| 699 | htt_rx_ind_mpdu_range_info(struct htt_pdev_t *pdev, |
| 700 | cdf_nbuf_t rx_ind_msg, |
| 701 | int mpdu_range_num, |
| 702 | enum htt_rx_status *status, int *mpdu_count) |
| 703 | { |
| 704 | uint32_t *msg_word; |
| 705 | |
| 706 | msg_word = (uint32_t *) cdf_nbuf_data(rx_ind_msg); |
| 707 | msg_word += pdev->rx_mpdu_range_offset_words + mpdu_range_num; |
| 708 | *status = HTT_RX_IND_MPDU_STATUS_GET(*msg_word); |
| 709 | *mpdu_count = HTT_RX_IND_MPDU_COUNT_GET(*msg_word); |
| 710 | } |
| 711 | |
| 712 | /** |
| 713 | * htt_rx_ind_rssi_dbm() - Return the RSSI provided in a rx indication message. |
| 714 | * |
| 715 | * @pdev: the HTT instance the rx data was received on |
| 716 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 717 | * |
| 718 | * Return the RSSI from an rx indication message, in dBm units. |
| 719 | * |
| 720 | * Return: RSSI in dBm, or HTT_INVALID_RSSI |
| 721 | */ |
| 722 | int16_t htt_rx_ind_rssi_dbm(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg) |
| 723 | { |
| 724 | int8_t rssi; |
| 725 | uint32_t *msg_word; |
| 726 | |
| 727 | msg_word = (uint32_t *) |
| 728 | (cdf_nbuf_data(rx_ind_msg) + |
| 729 | HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| 730 | |
| 731 | /* check if the RX_IND message contains valid rx PPDU start info */ |
| 732 | if (!HTT_RX_IND_START_VALID_GET(*msg_word)) |
| 733 | return HTT_RSSI_INVALID; |
| 734 | |
| 735 | rssi = HTT_RX_IND_RSSI_CMB_GET(*msg_word); |
| 736 | return (HTT_TGT_RSSI_INVALID == rssi) ? |
| 737 | HTT_RSSI_INVALID : rssi; |
| 738 | } |
| 739 | |
| 740 | /** |
| 741 | * htt_rx_ind_rssi_dbm_chain() - Return the RSSI for a chain provided in a rx |
| 742 | * indication message. |
| 743 | * @pdev: the HTT instance the rx data was received on |
| 744 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 745 | * @chain: the index of the chain (0-4) |
| 746 | * |
| 747 | * Return the RSSI for a chain from an rx indication message, in dBm units. |
| 748 | * |
| 749 | * Return: RSSI, or HTT_INVALID_RSSI |
| 750 | */ |
| 751 | int16_t |
| 752 | htt_rx_ind_rssi_dbm_chain(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg, |
| 753 | int8_t chain) |
| 754 | { |
| 755 | int8_t rssi; |
| 756 | uint32_t *msg_word; |
| 757 | |
| 758 | if (chain < 0 || chain > 3) |
| 759 | return HTT_RSSI_INVALID; |
| 760 | |
| 761 | msg_word = (uint32_t *) |
| 762 | (cdf_nbuf_data(rx_ind_msg) + |
| 763 | HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| 764 | |
| 765 | /* check if the RX_IND message contains valid rx PPDU start info */ |
| 766 | if (!HTT_RX_IND_START_VALID_GET(*msg_word)) |
| 767 | return HTT_RSSI_INVALID; |
| 768 | |
| 769 | msg_word += 1 + chain; |
| 770 | |
| 771 | rssi = HTT_RX_IND_RSSI_PRI20_GET(*msg_word); |
| 772 | return (HTT_TGT_RSSI_INVALID == rssi) ? |
| 773 | HTT_RSSI_INVALID : |
| 774 | rssi; |
| 775 | } |
| 776 | |
| 777 | /** |
| 778 | * htt_rx_ind_legacy_rate() - Return the data rate |
| 779 | * @pdev: the HTT instance the rx data was received on |
| 780 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 781 | * @legacy_rate: (output) the data rate |
| 782 | * The legacy_rate parameter's value depends on the |
| 783 | * legacy_rate_sel value. |
| 784 | * If legacy_rate_sel is 0: |
| 785 | * 0x8: OFDM 48 Mbps |
| 786 | * 0x9: OFDM 24 Mbps |
| 787 | * 0xA: OFDM 12 Mbps |
| 788 | * 0xB: OFDM 6 Mbps |
| 789 | * 0xC: OFDM 54 Mbps |
| 790 | * 0xD: OFDM 36 Mbps |
| 791 | * 0xE: OFDM 18 Mbps |
| 792 | * 0xF: OFDM 9 Mbps |
| 793 | * If legacy_rate_sel is 1: |
| 794 | * 0x8: CCK 11 Mbps long preamble |
| 795 | * 0x9: CCK 5.5 Mbps long preamble |
| 796 | * 0xA: CCK 2 Mbps long preamble |
| 797 | * 0xB: CCK 1 Mbps long preamble |
| 798 | * 0xC: CCK 11 Mbps short preamble |
| 799 | * 0xD: CCK 5.5 Mbps short preamble |
| 800 | * 0xE: CCK 2 Mbps short preamble |
| 801 | * -1 on error. |
| 802 | * @legacy_rate_sel: (output) 0 to indicate OFDM, 1 to indicate CCK. |
| 803 | * -1 on error. |
| 804 | * |
| 805 | * Return the data rate provided in a rx indication message. |
| 806 | */ |
| 807 | void |
| 808 | htt_rx_ind_legacy_rate(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg, |
| 809 | uint8_t *legacy_rate, uint8_t *legacy_rate_sel) |
| 810 | { |
| 811 | uint32_t *msg_word; |
| 812 | |
| 813 | msg_word = (uint32_t *) |
| 814 | (cdf_nbuf_data(rx_ind_msg) + |
| 815 | HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| 816 | |
| 817 | /* check if the RX_IND message contains valid rx PPDU start info */ |
| 818 | if (!HTT_RX_IND_START_VALID_GET(*msg_word)) { |
| 819 | *legacy_rate = -1; |
| 820 | *legacy_rate_sel = -1; |
| 821 | return; |
| 822 | } |
| 823 | |
| 824 | *legacy_rate = HTT_RX_IND_LEGACY_RATE_GET(*msg_word); |
| 825 | *legacy_rate_sel = HTT_RX_IND_LEGACY_RATE_SEL_GET(*msg_word); |
| 826 | } |
| 827 | |
| 828 | /** |
| 829 | * htt_rx_ind_timestamp() - Return the timestamp |
| 830 | * @pdev: the HTT instance the rx data was received on |
| 831 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 832 | * @timestamp_microsec: (output) the timestamp to microsecond resolution. |
| 833 | * -1 on error. |
| 834 | * @timestamp_submicrosec: the submicrosecond portion of the |
| 835 | * timestamp. -1 on error. |
| 836 | * |
| 837 | * Return the timestamp provided in a rx indication message. |
| 838 | */ |
| 839 | void |
| 840 | htt_rx_ind_timestamp(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg, |
| 841 | uint32_t *timestamp_microsec, |
| 842 | uint8_t *timestamp_submicrosec) |
| 843 | { |
| 844 | uint32_t *msg_word; |
| 845 | |
| 846 | msg_word = (uint32_t *) |
| 847 | (cdf_nbuf_data(rx_ind_msg) + |
| 848 | HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| 849 | |
| 850 | /* check if the RX_IND message contains valid rx PPDU start info */ |
| 851 | if (!HTT_RX_IND_END_VALID_GET(*msg_word)) { |
| 852 | *timestamp_microsec = -1; |
| 853 | *timestamp_submicrosec = -1; |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | *timestamp_microsec = *(msg_word + 6); |
| 858 | *timestamp_submicrosec = |
| 859 | HTT_RX_IND_TIMESTAMP_SUBMICROSEC_GET(*msg_word); |
| 860 | } |
| 861 | |
| 862 | #define INVALID_TSF -1 |
| 863 | /** |
| 864 | * htt_rx_ind_tsf32() - Return the TSF timestamp |
| 865 | * @pdev: the HTT instance the rx data was received on |
| 866 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 867 | * |
| 868 | * Return the TSF timestamp provided in a rx indication message. |
| 869 | * |
| 870 | * Return: TSF timestamp |
| 871 | */ |
| 872 | uint32_t |
| 873 | htt_rx_ind_tsf32(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg) |
| 874 | { |
| 875 | uint32_t *msg_word; |
| 876 | |
| 877 | msg_word = (uint32_t *) |
| 878 | (cdf_nbuf_data(rx_ind_msg) + |
| 879 | HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| 880 | |
| 881 | /* check if the RX_IND message contains valid rx PPDU start info */ |
| 882 | if (!HTT_RX_IND_END_VALID_GET(*msg_word)) |
| 883 | return INVALID_TSF; |
| 884 | |
| 885 | return *(msg_word + 5); |
| 886 | } |
| 887 | |
| 888 | /** |
| 889 | * htt_rx_ind_ext_tid() - Return the extended traffic ID provided in a rx indication message. |
| 890 | * @pdev: the HTT instance the rx data was received on |
| 891 | * @rx_ind_msg: the netbuf containing the rx indication message |
| 892 | * |
| 893 | * Return the extended traffic ID in a rx indication message. |
| 894 | * |
| 895 | * Return: Extended TID |
| 896 | */ |
| 897 | uint8_t |
| 898 | htt_rx_ind_ext_tid(htt_pdev_handle pdev, cdf_nbuf_t rx_ind_msg) |
| 899 | { |
| 900 | uint32_t *msg_word; |
| 901 | |
| 902 | msg_word = (uint32_t *) |
| 903 | (cdf_nbuf_data(rx_ind_msg)); |
| 904 | |
| 905 | return HTT_RX_IND_EXT_TID_GET(*msg_word); |
| 906 | } |
| 907 | |
| 908 | /*--- stats confirmation message ---*/ |
| 909 | |
| 910 | void |
| 911 | htt_t2h_dbg_stats_hdr_parse(uint8_t *stats_info_list, |
| 912 | enum htt_dbg_stats_type *type, |
| 913 | enum htt_dbg_stats_status *status, |
| 914 | int *length, uint8_t **stats_data) |
| 915 | { |
| 916 | uint32_t *msg_word = (uint32_t *) stats_info_list; |
| 917 | *type = HTT_T2H_STATS_CONF_TLV_TYPE_GET(*msg_word); |
| 918 | *status = HTT_T2H_STATS_CONF_TLV_STATUS_GET(*msg_word); |
| 919 | *length = HTT_T2H_STATS_CONF_TLV_HDR_SIZE + /* header length */ |
| 920 | HTT_T2H_STATS_CONF_TLV_LENGTH_GET(*msg_word); /* data len */ |
| 921 | *stats_data = stats_info_list + HTT_T2H_STATS_CONF_TLV_HDR_SIZE; |
| 922 | } |
| 923 | |
| 924 | void |
| 925 | htt_rx_frag_ind_flush_seq_num_range(htt_pdev_handle pdev, |
| 926 | cdf_nbuf_t rx_frag_ind_msg, |
| 927 | int *seq_num_start, int *seq_num_end) |
| 928 | { |
| 929 | uint32_t *msg_word; |
| 930 | |
| 931 | msg_word = (uint32_t *) cdf_nbuf_data(rx_frag_ind_msg); |
| 932 | msg_word++; |
| 933 | *seq_num_start = HTT_RX_FRAG_IND_FLUSH_SEQ_NUM_START_GET(*msg_word); |
| 934 | *seq_num_end = HTT_RX_FRAG_IND_FLUSH_SEQ_NUM_END_GET(*msg_word); |
| 935 | } |