1 /* 2 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <target_if_cfr.h> 21 #include <wlan_tgt_def_config.h> 22 #include <target_type.h> 23 #include <hif_hw_version.h> 24 #include <ol_if_athvar.h> 25 #include <target_if.h> 26 #include <wlan_lmac_if_def.h> 27 #include <wlan_osif_priv.h> 28 #include <init_deinit_lmac.h> 29 #include <wlan_cfr_utils_api.h> 30 #include <target_if_cfr_dbr.h> 31 #ifdef DIRECT_BUF_RX_ENABLE 32 #include <target_if_direct_buf_rx_api.h> 33 #endif 34 35 #ifdef DIRECT_BUF_RX_ENABLE 36 static u_int32_t end_magic = 0xBEAFDEAD; 37 38 /** 39 * dump_lut() - dump all valid lut entries 40 * @pdev: objmgr pdev 41 * 42 * return: none 43 */ 44 static int dump_lut(struct wlan_objmgr_pdev *pdev) 45 { 46 struct pdev_cfr *pdev_cfrobj; 47 struct look_up_table *lut = NULL; 48 int i = 0; 49 50 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 51 WLAN_UMAC_COMP_CFR); 52 if (!pdev_cfrobj) { 53 cfr_err("pdev object for CFR is null"); 54 return -EINVAL; 55 } 56 57 for (i = 0; i < pdev_cfrobj->lut_num; i++) { 58 lut = pdev_cfrobj->lut[i]; 59 cfr_info("idx:%d dbrevnt: %d txevent: %d dbrppdu:0x%x txppdu:0x%x", 60 i, lut->dbr_recv, lut->tx_recv, 61 lut->dbr_ppdu_id, lut->tx_ppdu_id); 62 } 63 64 return 0; 65 } 66 67 /** 68 * dump_dma_hdr() - Dump DMA header populated by uCode 69 * @dma_hdr: pointer to the DMA header 70 * @error: Indicates whether it is an error 71 * 72 * Return: none 73 */ 74 static void dump_dma_hdr(struct whal_cfir_dma_hdr *dma_hdr, int error) 75 { 76 if (!error) { 77 cfr_debug("Tag: 0x%02x Length: %d udone: %d ctype: %d preamble: %d", 78 dma_hdr->tag, dma_hdr->length, dma_hdr->upload_done, 79 dma_hdr->capture_type, dma_hdr->preamble_type); 80 81 cfr_debug("Nss: %d num_chains: %d bw: %d", dma_hdr->nss, 82 dma_hdr->num_chains, dma_hdr->upload_pkt_bw); 83 84 cfr_debug("peervalid: %d peer_id: %d ppdu_id: 0x%04x", 85 dma_hdr->sw_peer_id_valid, dma_hdr->sw_peer_id, 86 dma_hdr->phy_ppdu_id); 87 } else { 88 cfr_err("Tag: 0x%02x Length: %d udone: %d ctype: %d preamble: %d", 89 dma_hdr->tag, dma_hdr->length, dma_hdr->upload_done, 90 dma_hdr->capture_type, dma_hdr->preamble_type); 91 92 cfr_err("Nss: %d num_chains: %d bw: %d", dma_hdr->nss, 93 dma_hdr->num_chains, dma_hdr->upload_pkt_bw); 94 95 cfr_err("peervalid: %d peer_id: %d ppdu_id: 0x%04x", 96 dma_hdr->sw_peer_id_valid, dma_hdr->sw_peer_id, 97 dma_hdr->phy_ppdu_id); 98 } 99 } 100 101 /** 102 * compute_length() - Compute the number of tones based on BW 103 * @dma_hdr: DMA header from uCode 104 * 105 * Return: Computed number of tones based on BW 106 */ 107 static int compute_length(struct whal_cfir_dma_hdr *dma_hdr) 108 { 109 uint8_t bw = dma_hdr->upload_pkt_bw; 110 uint8_t preamble = dma_hdr->preamble_type; 111 112 switch (preamble) { 113 case 0: 114 case 2: 115 switch (bw) { 116 case 0: 117 return TONES_IN_20MHZ; 118 case 1: /* DUP40/VHT40 */ 119 return TONES_IN_40MHZ; 120 case 2: /* DUP80/VHT80 */ 121 return TONES_IN_80MHZ; 122 case 3: /* DUP160/VHT160 */ 123 return TONES_IN_160MHZ; 124 } 125 126 case 1: 127 switch (bw) { 128 case 0: 129 return TONES_IN_20MHZ; 130 case 1: 131 return TONES_IN_40MHZ; 132 } 133 } 134 135 return TONES_INVALID; 136 } 137 138 /** 139 * release_lut_entry() - Clear all params in an LUT entry 140 * @pdev: objmgr PDEV 141 * @lut: pointer to LUT 142 * 143 * Return: status 144 */ 145 static int release_lut_entry(struct wlan_objmgr_pdev *pdev, 146 struct look_up_table *lut) 147 { 148 lut->dbr_recv = false; 149 lut->tx_recv = false; 150 lut->data = NULL; 151 lut->data_len = 0; 152 lut->dbr_ppdu_id = 0; 153 lut->tx_ppdu_id = 0; 154 qdf_mem_zero(&lut->header, sizeof(struct csi_cfr_header)); 155 156 return 0; 157 } 158 159 /** 160 * correlate_and_relay() - Correlate TXRX and DBR events and stream CFR data to 161 * userspace 162 * @pdev: objmgr PDEV 163 * @cookie: Index into lookup table 164 * @lut: pointer to lookup table 165 * @module_id: ID of the event received 166 * 0 - DBR event 167 * 1 - TXRX event 168 * 169 * Return: 170 * - STATUS_ERROR 171 * - STATUS_HOLD 172 * - STATUS_STREAM_AND_RELEASE 173 */ 174 static int correlate_and_relay(struct wlan_objmgr_pdev *pdev, uint32_t cookie, 175 struct look_up_table *lut, uint8_t module_id) 176 { 177 struct pdev_cfr *pdev_cfrobj; 178 int status = STATUS_ERROR; 179 180 if (module_id > 1) { 181 cfr_err("Received request with invalid mod id. Investigate!!"); 182 QDF_ASSERT(0); 183 return status; 184 } 185 186 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 187 WLAN_UMAC_COMP_CFR); 188 189 if (module_id == CORRELATE_TX_EV_MODULE_ID) { 190 pdev_cfrobj->tx_evt_cnt++; 191 lut->tx_recv = true; 192 } else if (module_id == CORRELATE_DBR_MODULE_ID) { 193 pdev_cfrobj->dbr_evt_cnt++; 194 lut->dbr_recv = true; 195 } 196 197 if (lut->dbr_recv && lut->tx_recv) { 198 if (lut->dbr_ppdu_id == lut->tx_ppdu_id) { 199 pdev_cfrobj->release_cnt++; 200 status = STATUS_STREAM_AND_RELEASE; 201 } else { 202 /* 203 * When there is a ppdu id mismatch, discard the other 204 * older event's data and wait hold for new event 205 */ 206 if (module_id == CORRELATE_TX_EV_MODULE_ID) { 207 cfr_debug("Received new tx event for same cookie %u", 208 cookie); 209 lut->dbr_recv = false; 210 lut->data = NULL; 211 lut->data_len = 0; 212 lut->dbr_ppdu_id = 0; 213 qdf_mem_zero(&lut->dbr_address, 214 sizeof(lut->dbr_address)); 215 } else if (module_id == CORRELATE_DBR_MODULE_ID) { 216 cfr_debug("Received new dbr event for same cookie %u", 217 cookie); 218 lut->tx_recv = false; 219 lut->tx_ppdu_id = 0; 220 } 221 222 /* 223 * This is condition can occur if DBR buffer did not get 224 * released, or leaked either by Host/Target. 225 * we may need to add recovery here. 226 * 227 * 1. Stop all captures 228 * 2. Flush/release DBR buffer and LUT 229 * 3. Start capture again 230 */ 231 if ((pdev_cfrobj->dbr_evt_cnt - 232 pdev_cfrobj->release_cnt) >= MAX_LUT_ENTRIES) { 233 cfr_err("cookie = %u dbr_cnt = %llu, release_cnt = %llu", 234 cookie, pdev_cfrobj->dbr_evt_cnt, 235 pdev_cfrobj->release_cnt); 236 dump_lut(pdev); 237 dump_dma_hdr(&lut->dma_hdr, 1); 238 cfr_err("correlation_info1: 0x%08x correlation_info2 0x%08x", 239 lut->tx_address1, lut->tx_address2); 240 } 241 status = STATUS_HOLD; 242 } 243 } else { 244 status = STATUS_HOLD; 245 } 246 247 return status; 248 } 249 250 /** 251 * cfr_dbr_event_handler() - Process DBR event for CFR data DMA completion 252 * @pdev: PDEV object 253 * @payload: pointer to CFR data 254 * 255 * Return: status 256 */ 257 static bool cfr_dbr_event_handler(struct wlan_objmgr_pdev *pdev, 258 struct direct_buf_rx_data *payload) 259 { 260 uint8_t *data = NULL; 261 uint32_t cookie = 0; 262 struct whal_cfir_dma_hdr dma_hdr = {0}; 263 int length = 8, tones = 0, status = 0; 264 struct wlan_objmgr_psoc *psoc; 265 struct pdev_cfr *pdev_cfrobj; 266 struct look_up_table *lut = NULL; 267 struct csi_cfr_header *header = NULL; 268 struct wlan_lmac_if_rx_ops *rx_ops; 269 bool ret = true; 270 271 if ((!pdev) || (!payload)) { 272 cfr_err("pdev or payload is null"); 273 return true; 274 } 275 276 psoc = wlan_pdev_get_psoc(pdev); 277 if (!psoc) { 278 cfr_err("psoc is null"); 279 return true; 280 } 281 282 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 283 WLAN_UMAC_COMP_CFR); 284 if (!pdev_cfrobj) { 285 cfr_err("pdev object for CFR is null"); 286 return true; 287 } 288 289 data = payload->vaddr; 290 cookie = payload->cookie; 291 292 cfr_debug("bufferaddr: 0x%pK cookie: %u", 293 (void *)((uintptr_t)payload->paddr), cookie); 294 qdf_mem_copy(&dma_hdr, &data[0], sizeof(struct whal_cfir_dma_hdr)); 295 296 dump_dma_hdr(&dma_hdr, 0); 297 tones = compute_length(&dma_hdr); 298 if (tones == TONES_INVALID) { 299 cfr_err("Number of tones received is invalid. Investigate!"); 300 return true; 301 } 302 303 length += tones * (dma_hdr.num_chains + 1); 304 305 lut = pdev_cfrobj->lut[cookie]; 306 lut->data = data; 307 lut->data_len = length; 308 lut->dbr_ppdu_id = dma_hdr.phy_ppdu_id; 309 lut->dbr_address = payload->paddr; 310 qdf_mem_copy(&lut->dma_hdr, &dma_hdr, sizeof(struct whal_cfir_dma_hdr)); 311 312 header = &lut->header; 313 header->u.meta_dbr.channel_bw = dma_hdr.upload_pkt_bw; 314 header->u.meta_dbr.length = length; 315 status = correlate_and_relay(pdev, cookie, lut, 316 CORRELATE_DBR_MODULE_ID); 317 if (status == STATUS_STREAM_AND_RELEASE) { 318 /* 319 * Message format 320 * Meta data Header + actual payload + trailer 321 */ 322 rx_ops = wlan_psoc_get_lmac_if_rxops(psoc); 323 if (!rx_ops) { 324 cfr_err("rx_ops is NULL"); 325 return true; 326 } 327 328 status = rx_ops->cfr_rx_ops.cfr_info_send 329 (pdev, &lut->header, 330 sizeof(struct csi_cfr_header), 331 lut->data, lut->data_len, 332 &end_magic, 4); 333 release_lut_entry(pdev, lut); 334 cfr_debug("Data sent to upper layers, released look up table"); 335 ret = true; 336 } else if (status == STATUS_HOLD) { 337 cfr_debug("Tx event not received yet. Buffer is not released"); 338 ret = false; 339 } else { 340 cfr_err("Correlation returned invalid status!!"); 341 ret = true; 342 } 343 344 return ret; 345 } 346 347 /** 348 * dump_cfr_peer_tx_event() - Dump TX completion event 349 * @event: ptr to WMI TX completion event for QOS frames sent during 350 * one-shot capture. 351 * 352 * Return: none 353 */ 354 static void dump_cfr_peer_tx_event(wmi_cfr_peer_tx_event_param *event) 355 { 356 cfr_debug("CFR capture method: %u vdev_id: %u mac: " QDF_MAC_ADDR_FMT, 357 event->capture_method, event->vdev_id, 358 QDF_MAC_ADDR_REF(&event->peer_mac_addr.bytes[0])); 359 360 cfr_debug("Chan: %u bw: %u phymode: %u cfreq1: %u cfrq2: %u nss: %u", 361 event->primary_20mhz_chan, event->bandwidth, 362 event->phy_mode, event->band_center_freq1, 363 event->band_center_freq2, event->spatial_streams); 364 365 cfr_debug("Correlation_info1: 0x%08x Correlation_info2: 0x%08x", 366 event->correlation_info_1, event->correlation_info_2); 367 368 cfr_debug("status: 0x%x ts: %u counter: %u rssi0: 0x%08x", 369 event->status, event->timestamp_us, event->counter, 370 event->chain_rssi[0]); 371 372 cfr_debug("phase0: 0x%04x phase1: 0x%04x phase2: 0x%04x phase3: 0x%04x\n" 373 "phase4: 0x%04x phase5: 0x%04x phase6: 0x%04x phase7: 0x%04x", 374 event->chain_phase[0], event->chain_phase[1], 375 event->chain_phase[2], event->chain_phase[3], 376 event->chain_phase[4], event->chain_phase[5], 377 event->chain_phase[6], event->chain_phase[7]); 378 379 cfr_debug("rtt_cfo_measurement: %d\n", event->cfo_measurement); 380 381 cfr_debug("rx_start_ts: %u\n", event->rx_start_ts); 382 383 cfr_debug("mcs_rate: %u\n", event->mcs_rate); 384 385 cfr_debug("gi_type: %u\n", event->gi_type); 386 387 cfr_debug("agc_gain0: %u agc_gain1: %u agc_gain2: %u agc_gain3: %u\n" 388 "agc_gain4: %u agc_gain5: %u agc_gain6: %u agc_gain7: %u\n", 389 event->agc_gain[0], event->agc_gain[1], 390 event->agc_gain[2], event->agc_gain[3], 391 event->agc_gain[4], event->agc_gain[5], 392 event->agc_gain[6], event->agc_gain[7]); 393 cfr_debug("gain_tbl_idx0: %u gain_tbl_idx1: %u gain_tbl_idx2: %u\n" 394 "gain_tbl_idx3: %u gain_tbl_idx4: %u gain_tbl_idx5: %u\n" 395 "gain_tbl_idx6: %u gain_tbl_idx7: %u\n", 396 event->agc_gain_tbl_index[0], event->agc_gain_tbl_index[1], 397 event->agc_gain_tbl_index[2], event->agc_gain_tbl_index[3], 398 event->agc_gain_tbl_index[4], event->agc_gain_tbl_index[5], 399 event->agc_gain_tbl_index[6], event->agc_gain_tbl_index[7]); 400 } 401 402 /** 403 * prepare_cfr_header_txstatus() - Prepare CFR metadata for TX failures 404 * @tx_evt_param: ptr to WMI TX completion event 405 * @header: pointer to metadata 406 * 407 * Return: none 408 */ 409 static 410 void prepare_cfr_header_txstatus(wmi_cfr_peer_tx_event_param *tx_evt_param, 411 struct csi_cfr_header *header, 412 uint32_t target_type) 413 { 414 target_if_cfr_fill_header(header, false, target_type, false); 415 header->u.meta_dbr.status = 0; /* failure */ 416 header->u.meta_dbr.length = 0; 417 qdf_mem_copy(&header->u.meta_dbr.peer_addr[0], 418 &tx_evt_param->peer_mac_addr.bytes[0], QDF_MAC_ADDR_SIZE); 419 } 420 421 /** 422 * target_if_peer_capture_event() - WMI TX completion event for one-shot 423 * capture 424 * @sc: pointer to offload soc object 425 * @data: WMI TX completion event buffer 426 * @datalen: WMI Tx completion event buffer length 427 * 428 * Return: status 429 */ 430 static int 431 target_if_peer_capture_event(ol_scn_t sc, uint8_t *data, uint32_t datalen) 432 { 433 QDF_STATUS retval = 0; 434 struct wmi_unified *wmi_handle; 435 struct wlan_objmgr_psoc *psoc; 436 struct wlan_objmgr_pdev *pdev; 437 struct wlan_objmgr_vdev *vdev; 438 uint32_t cookie; 439 struct pdev_cfr *pdev_cfrobj; 440 struct look_up_table *lut = NULL; 441 struct csi_cfr_header *header = NULL; 442 struct csi_cfr_header header_error = {0}; 443 wmi_cfr_peer_tx_event_param tx_evt_param = {0}; 444 qdf_dma_addr_t buf_addr = 0, buf_addr_temp = 0; 445 int status; 446 struct wlan_lmac_if_rx_ops *rx_ops; 447 uint32_t target_type; 448 449 psoc = target_if_get_psoc_from_scn_hdl(sc); 450 if (!psoc) { 451 cfr_err("psoc is null"); 452 return -EINVAL; 453 } 454 455 rx_ops = wlan_psoc_get_lmac_if_rxops(psoc); 456 if (!rx_ops) { 457 cfr_err("rx_ops is NULL"); 458 return -EINVAL; 459 } 460 461 retval = wlan_objmgr_psoc_try_get_ref(psoc, WLAN_CFR_ID); 462 if (QDF_IS_STATUS_ERROR(retval)) { 463 cfr_err("unable to get psoc reference"); 464 return -EINVAL; 465 } 466 467 wmi_handle = GET_WMI_HDL_FROM_PSOC(psoc); 468 if (!wmi_handle) { 469 cfr_err("wmi_handle is null"); 470 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 471 return -EINVAL; 472 } 473 474 retval = wmi_extract_cfr_peer_tx_event_param(wmi_handle, data, 475 &tx_evt_param); 476 477 if (retval != QDF_STATUS_SUCCESS) { 478 cfr_err("Failed to extract cfr tx event param"); 479 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 480 return -EINVAL; 481 } 482 483 dump_cfr_peer_tx_event(&tx_evt_param); 484 485 vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, tx_evt_param.vdev_id, 486 WLAN_CFR_ID); 487 if (!vdev) { 488 cfr_err("vdev is null"); 489 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 490 return -EINVAL; 491 } 492 493 pdev = wlan_vdev_get_pdev(vdev); 494 if (!pdev) { 495 cfr_err("pdev is null"); 496 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 497 wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID); 498 return -EINVAL; 499 } 500 501 retval = wlan_objmgr_pdev_try_get_ref(pdev, WLAN_CFR_ID); 502 if (retval != QDF_STATUS_SUCCESS) { 503 cfr_err("failed to get pdev reference"); 504 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 505 wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID); 506 return -EINVAL; 507 } 508 509 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 510 WLAN_UMAC_COMP_CFR); 511 if (!pdev_cfrobj) { 512 cfr_err("pdev object for CFR is NULL"); 513 status = -EINVAL; 514 goto done; 515 } 516 517 target_type = target_if_cfr_get_target_type(psoc); 518 519 if (tx_evt_param.status & PEER_CFR_CAPTURE_EVT_PS_STATUS_MASK) { 520 cfr_debug("CFR capture failed as peer is in powersave : " QDF_MAC_ADDR_FMT, 521 QDF_MAC_ADDR_REF(&tx_evt_param.peer_mac_addr.bytes[0])); 522 status = -EINVAL; 523 goto relay_failure; 524 } 525 526 if ((tx_evt_param.status & PEER_CFR_CAPTURE_EVT_STATUS_MASK) == 0) { 527 cfr_debug("CFR capture failed for peer : " QDF_MAC_ADDR_FMT, 528 QDF_MAC_ADDR_REF(&tx_evt_param.peer_mac_addr.bytes[0])); 529 status = -EINVAL; 530 pdev_cfrobj->tx_peer_status_cfr_fail++; 531 goto relay_failure; 532 } 533 534 if (tx_evt_param.status & CFR_TX_EVT_STATUS_MASK) { 535 cfr_debug("TX packet returned status %d for peer: " QDF_MAC_ADDR_FMT, 536 tx_evt_param.status & CFR_TX_EVT_STATUS_MASK, 537 QDF_MAC_ADDR_REF(&tx_evt_param.peer_mac_addr.bytes[0])); 538 status = -EINVAL; 539 pdev_cfrobj->tx_evt_status_cfr_fail++; 540 goto relay_failure; 541 } 542 543 buf_addr_temp = (tx_evt_param.correlation_info_2 & 0x0f); 544 buf_addr = (tx_evt_param.correlation_info_1 | 545 ((uint64_t)buf_addr_temp << 32)); 546 547 if (target_if_dbr_cookie_lookup(pdev, DBR_MODULE_CFR, buf_addr, 548 &cookie, 0)) { 549 cfr_debug("Cookie lookup failure for addr: 0x%pK status: 0x%x", 550 (void *)((uintptr_t)buf_addr), tx_evt_param.status); 551 status = -EINVAL; 552 pdev_cfrobj->tx_dbr_cookie_lookup_fail++; 553 goto done; 554 } 555 556 cfr_debug("buffer address: 0x%pK cookie: %u", 557 (void *)((uintptr_t)buf_addr), cookie); 558 559 lut = pdev_cfrobj->lut[cookie]; 560 lut->tx_ppdu_id = (tx_evt_param.correlation_info_2 >> 16); 561 lut->tx_address1 = tx_evt_param.correlation_info_1; 562 lut->tx_address2 = tx_evt_param.correlation_info_2; 563 header = &lut->header; 564 565 target_if_cfr_fill_header(header, false, target_type, false); 566 567 header->u.meta_dbr.status = (tx_evt_param.status & 568 PEER_CFR_CAPTURE_EVT_STATUS_MASK) ? 569 1 : 0; 570 header->u.meta_dbr.capture_bw = tx_evt_param.bandwidth; 571 header->u.meta_dbr.phy_mode = tx_evt_param.phy_mode; 572 header->u.meta_dbr.prim20_chan = tx_evt_param.primary_20mhz_chan; 573 header->u.meta_dbr.center_freq1 = tx_evt_param.band_center_freq1; 574 header->u.meta_dbr.center_freq2 = tx_evt_param.band_center_freq2; 575 /* Currently CFR data is captured on ACK of a Qos NULL frame. 576 * For 20 MHz, ACK is Legacy and for 40/80/160, ACK is DUP Legacy. 577 */ 578 header->u.meta_dbr.capture_mode = tx_evt_param.bandwidth ? 579 CFR_DUP_LEGACY_ACK : CFR_LEGACY_ACK; 580 header->u.meta_dbr.capture_type = tx_evt_param.capture_method; 581 header->u.meta_dbr.num_rx_chain = wlan_vdev_mlme_get_rxchainmask(vdev); 582 header->u.meta_dbr.sts_count = tx_evt_param.spatial_streams; 583 header->u.meta_dbr.timestamp = tx_evt_param.timestamp_us; 584 header->u.meta_dbr.rx_start_ts = tx_evt_param.rx_start_ts; 585 header->u.meta_dbr.rtt_cfo_measurement = tx_evt_param.cfo_measurement; 586 header->u.meta_dbr.mcs_rate = tx_evt_param.mcs_rate; 587 header->u.meta_dbr.gi_type = tx_evt_param.gi_type; 588 589 qdf_mem_copy(&header->u.meta_dbr.agc_gain[0], 590 &tx_evt_param.agc_gain[0], 591 HOST_MAX_CHAINS * sizeof(tx_evt_param.agc_gain[0])); 592 qdf_mem_copy(&header->u.meta_dbr.peer_addr[0], 593 &tx_evt_param.peer_mac_addr.bytes[0], QDF_MAC_ADDR_SIZE); 594 qdf_mem_copy(&header->u.meta_dbr.chain_rssi[0], 595 &tx_evt_param.chain_rssi[0], 596 HOST_MAX_CHAINS * sizeof(tx_evt_param.chain_rssi[0])); 597 qdf_mem_copy(&header->u.meta_dbr.chain_phase[0], 598 &tx_evt_param.chain_phase[0], 599 HOST_MAX_CHAINS * sizeof(tx_evt_param.chain_phase[0])); 600 qdf_mem_copy(&header->u.meta_dbr.agc_gain_tbl_index[0], 601 &tx_evt_param.agc_gain_tbl_index[0], 602 (HOST_MAX_CHAINS * 603 sizeof(tx_evt_param.agc_gain_tbl_index[0]))); 604 605 status = correlate_and_relay(pdev, cookie, lut, 606 CORRELATE_TX_EV_MODULE_ID); 607 if (status == STATUS_STREAM_AND_RELEASE) { 608 status = rx_ops->cfr_rx_ops.cfr_info_send(pdev, &lut->header, 609 sizeof(struct csi_cfr_header), 610 lut->data, lut->data_len, &end_magic, 4); 611 release_lut_entry(pdev, lut); 612 target_if_dbr_buf_release(pdev, DBR_MODULE_CFR, buf_addr, 613 cookie, 0); 614 cfr_debug("Data sent to upper layers, releasing look up table"); 615 } else if (status == STATUS_HOLD) { 616 cfr_debug("HOLD for buffer address: 0x%pK cookie: %u", 617 (void *)((uintptr_t)buf_addr), cookie); 618 } else { 619 cfr_err("Correlation returned invalid status!!"); 620 status = -EINVAL; 621 goto done; 622 } 623 624 status = 0; 625 goto done; 626 627 relay_failure: 628 prepare_cfr_header_txstatus(&tx_evt_param, &header_error, target_type); 629 rx_ops->cfr_rx_ops.cfr_info_send(pdev, &header_error, 630 sizeof(struct csi_cfr_header), 631 NULL, 0, &end_magic, 4); 632 done: 633 wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID); 634 wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID); 635 wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID); 636 return status; 637 } 638 #else 639 static int 640 target_if_peer_capture_event(ol_scn_t sc, uint8_t *data, uint32_t datalen) 641 { 642 return 0; 643 } 644 #endif 645 646 /** 647 * target_if_register_tx_completion_event_handler() 648 * register TX completion handler 649 * @pdev: pointer to pdev object 650 * 651 * Return: Status 652 */ 653 static QDF_STATUS 654 target_if_register_tx_completion_event_handler(struct wlan_objmgr_psoc *psoc) 655 { 656 /* Register completion handler here */ 657 wmi_unified_t wmi_hdl; 658 QDF_STATUS ret = QDF_STATUS_SUCCESS; 659 660 wmi_hdl = get_wmi_unified_hdl_from_psoc(psoc); 661 if (!wmi_hdl) { 662 cfr_err("Unable to get wmi handle"); 663 return QDF_STATUS_E_NULL_VALUE; 664 } 665 666 ret = wmi_unified_register_event_handler(wmi_hdl, 667 wmi_peer_cfr_capture_event_id, 668 target_if_peer_capture_event, 669 WMI_RX_UMAC_CTX); 670 /* 671 * Event registration is called per pdev 672 * Ignore error if event is already registered. 673 */ 674 if (ret == QDF_STATUS_E_FAILURE) 675 ret = QDF_STATUS_SUCCESS; 676 677 return ret; 678 } 679 680 /** 681 * target_if_unregister_tx_completion_event_handler 682 * unregister TX completion handler 683 * @pdev: pointer to pdev object 684 * 685 * Return: Status 686 */ 687 static QDF_STATUS 688 target_if_unregister_tx_completion_event_handler(struct wlan_objmgr_psoc *psoc) 689 { 690 /* Unregister completion handler here */ 691 wmi_unified_t wmi_hdl; 692 QDF_STATUS status = QDF_STATUS_SUCCESS; 693 694 wmi_hdl = get_wmi_unified_hdl_from_psoc(psoc); 695 if (!wmi_hdl) { 696 cfr_err("Unable to get wmi handle"); 697 return QDF_STATUS_E_NULL_VALUE; 698 } 699 700 status = wmi_unified_unregister_event(wmi_hdl, 701 wmi_peer_cfr_capture_event_id); 702 return status; 703 } 704 705 #ifdef DIRECT_BUF_RX_ENABLE 706 /** 707 * target_if_register_to_dbr() - Register to Direct DMA handler 708 * @pdev: pointer to pdev object 709 * 710 * Return: Status 711 */ 712 static QDF_STATUS 713 target_if_register_to_dbr(struct wlan_objmgr_pdev *pdev) 714 { 715 struct wlan_objmgr_psoc *psoc; 716 struct wlan_lmac_if_direct_buf_rx_tx_ops *dbr_tx_ops = NULL; 717 struct dbr_module_config dbr_config; 718 struct wlan_lmac_if_tx_ops *tx_ops; 719 720 psoc = wlan_pdev_get_psoc(pdev); 721 tx_ops = wlan_psoc_get_lmac_if_txops(psoc); 722 if (!tx_ops) { 723 cfr_err("tx_ops is NULL"); 724 return QDF_STATUS_E_FAILURE; 725 } 726 727 dbr_tx_ops = &tx_ops->dbr_tx_ops; 728 dbr_config.num_resp_per_event = DBR_NUM_RESP_PER_EVENT_CFR; 729 dbr_config.event_timeout_in_ms = DBR_EVENT_TIMEOUT_IN_MS_CFR; 730 if (dbr_tx_ops->direct_buf_rx_module_register) { 731 return dbr_tx_ops->direct_buf_rx_module_register 732 (pdev, DBR_MODULE_CFR, &dbr_config, 733 cfr_dbr_event_handler); 734 } 735 736 return QDF_STATUS_SUCCESS; 737 } 738 739 /** 740 * target_if_unregister_to_dbr() - Unregister callback for DBR events 741 * @pdev: PDEV object 742 * 743 * Return: status 744 */ 745 static QDF_STATUS 746 target_if_unregister_to_dbr(struct wlan_objmgr_pdev *pdev) 747 { 748 struct wlan_objmgr_psoc *psoc; 749 struct wlan_lmac_if_direct_buf_rx_tx_ops *dbr_tx_ops = NULL; 750 struct wlan_lmac_if_tx_ops *tx_ops; 751 752 psoc = wlan_pdev_get_psoc(pdev); 753 tx_ops = wlan_psoc_get_lmac_if_txops(psoc); 754 if (!tx_ops) { 755 cfr_err("tx_ops is NULL"); 756 return QDF_STATUS_E_FAILURE; 757 } 758 759 dbr_tx_ops = &tx_ops->dbr_tx_ops; 760 if (dbr_tx_ops->direct_buf_rx_module_unregister) { 761 return dbr_tx_ops->direct_buf_rx_module_unregister 762 (pdev, DBR_MODULE_CFR); 763 } 764 765 return QDF_STATUS_SUCCESS; 766 } 767 768 #else 769 static QDF_STATUS 770 target_if_cfr_register_to_dbr(struct wlan_objmgr_pdev *pdev) 771 { 772 return QDF_STATUS_SUCCESS; 773 } 774 775 static QDF_STATUS 776 target_if_unregister_to_dbr(struct wlan_objmgr_pdev *pdev) 777 { 778 return QDF_STATUS_SUCCESS; 779 } 780 781 #endif 782 783 QDF_STATUS cfr_dbr_init_pdev(struct wlan_objmgr_psoc *psoc, 784 struct wlan_objmgr_pdev *pdev) 785 { 786 QDF_STATUS status; 787 struct pdev_cfr *pdev_cfrobj; 788 789 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 790 WLAN_UMAC_COMP_CFR); 791 if (!pdev_cfrobj) 792 return QDF_STATUS_E_NULL_VALUE; 793 794 #if DIRECT_BUF_RX_ENABLE 795 status = target_if_register_to_dbr(pdev); 796 if (QDF_STATUS_SUCCESS != status) { 797 cfr_err("Failed to register with dbr"); 798 return QDF_STATUS_E_FAILURE; 799 } 800 #endif 801 802 status = target_if_register_tx_completion_event_handler(psoc); 803 if (QDF_STATUS_SUCCESS != status) { 804 cfr_err("Failed to register with tx event handler"); 805 return QDF_STATUS_E_FAILURE; 806 } 807 808 pdev_cfrobj->cfr_max_sta_count = MAX_CFR_ENABLED_CLIENTS; 809 pdev_cfrobj->subbuf_size = STREAMFS_MAX_SUBBUF_8S; 810 pdev_cfrobj->num_subbufs = STREAMFS_NUM_SUBBUF_8S; 811 812 return status; 813 } 814 815 QDF_STATUS cfr_dbr_deinit_pdev(struct wlan_objmgr_psoc *psoc, 816 struct wlan_objmgr_pdev *pdev) 817 { 818 QDF_STATUS status; 819 struct pdev_cfr *pdev_cfrobj; 820 821 pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev, 822 WLAN_UMAC_COMP_CFR); 823 if (!pdev_cfrobj) 824 return QDF_STATUS_E_NULL_VALUE; 825 826 pdev_cfrobj->cfr_timer_enable = 0; 827 828 status = target_if_unregister_to_dbr(pdev); 829 if (QDF_STATUS_SUCCESS != status) 830 cfr_err("Failed to register with dbr"); 831 832 status = target_if_unregister_tx_completion_event_handler(psoc); 833 return status; 834 } 835