1 /* 2 * Copyright (c) 2013 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <linux/kernel.h> 18 #include <linux/slab.h> 19 #include <linux/device.h> 20 #include <linux/firmware.h> 21 #include <linux/module.h> 22 #include <linux/bcm47xx_nvram.h> 23 24 #include "debug.h" 25 #include "firmware.h" 26 #include "core.h" 27 #include "common.h" 28 #include "chip.h" 29 30 #define BRCMF_FW_MAX_NVRAM_SIZE 64000 31 #define BRCMF_FW_NVRAM_DEVPATH_LEN 19 /* devpath0=pcie/1/4/ */ 32 #define BRCMF_FW_NVRAM_PCIEDEV_LEN 10 /* pcie/1/4/ + \0 */ 33 #define BRCMF_FW_DEFAULT_BOARDREV "boardrev=0xff" 34 35 enum nvram_parser_state { 36 IDLE, 37 KEY, 38 VALUE, 39 COMMENT, 40 END 41 }; 42 43 /** 44 * struct nvram_parser - internal info for parser. 45 * 46 * @state: current parser state. 47 * @data: input buffer being parsed. 48 * @nvram: output buffer with parse result. 49 * @nvram_len: lenght of parse result. 50 * @line: current line. 51 * @column: current column in line. 52 * @pos: byte offset in input buffer. 53 * @entry: start position of key,value entry. 54 * @multi_dev_v1: detect pcie multi device v1 (compressed). 55 * @multi_dev_v2: detect pcie multi device v2. 56 * @boardrev_found: nvram contains boardrev information. 57 */ 58 struct nvram_parser { 59 enum nvram_parser_state state; 60 const u8 *data; 61 u8 *nvram; 62 u32 nvram_len; 63 u32 line; 64 u32 column; 65 u32 pos; 66 u32 entry; 67 bool multi_dev_v1; 68 bool multi_dev_v2; 69 bool boardrev_found; 70 }; 71 72 /** 73 * is_nvram_char() - check if char is a valid one for NVRAM entry 74 * 75 * It accepts all printable ASCII chars except for '#' which opens a comment. 76 * Please note that ' ' (space) while accepted is not a valid key name char. 77 */ 78 static bool is_nvram_char(char c) 79 { 80 /* comment marker excluded */ 81 if (c == '#') 82 return false; 83 84 /* key and value may have any other readable character */ 85 return (c >= 0x20 && c < 0x7f); 86 } 87 88 static bool is_whitespace(char c) 89 { 90 return (c == ' ' || c == '\r' || c == '\n' || c == '\t'); 91 } 92 93 static enum nvram_parser_state brcmf_nvram_handle_idle(struct nvram_parser *nvp) 94 { 95 char c; 96 97 c = nvp->data[nvp->pos]; 98 if (c == '\n') 99 return COMMENT; 100 if (is_whitespace(c) || c == '\0') 101 goto proceed; 102 if (c == '#') 103 return COMMENT; 104 if (is_nvram_char(c)) { 105 nvp->entry = nvp->pos; 106 return KEY; 107 } 108 brcmf_dbg(INFO, "warning: ln=%d:col=%d: ignoring invalid character\n", 109 nvp->line, nvp->column); 110 proceed: 111 nvp->column++; 112 nvp->pos++; 113 return IDLE; 114 } 115 116 static enum nvram_parser_state brcmf_nvram_handle_key(struct nvram_parser *nvp) 117 { 118 enum nvram_parser_state st = nvp->state; 119 char c; 120 121 c = nvp->data[nvp->pos]; 122 if (c == '=') { 123 /* ignore RAW1 by treating as comment */ 124 if (strncmp(&nvp->data[nvp->entry], "RAW1", 4) == 0) 125 st = COMMENT; 126 else 127 st = VALUE; 128 if (strncmp(&nvp->data[nvp->entry], "devpath", 7) == 0) 129 nvp->multi_dev_v1 = true; 130 if (strncmp(&nvp->data[nvp->entry], "pcie/", 5) == 0) 131 nvp->multi_dev_v2 = true; 132 if (strncmp(&nvp->data[nvp->entry], "boardrev", 8) == 0) 133 nvp->boardrev_found = true; 134 } else if (!is_nvram_char(c) || c == ' ') { 135 brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n", 136 nvp->line, nvp->column); 137 return COMMENT; 138 } 139 140 nvp->column++; 141 nvp->pos++; 142 return st; 143 } 144 145 static enum nvram_parser_state 146 brcmf_nvram_handle_value(struct nvram_parser *nvp) 147 { 148 char c; 149 char *skv; 150 char *ekv; 151 u32 cplen; 152 153 c = nvp->data[nvp->pos]; 154 if (!is_nvram_char(c)) { 155 /* key,value pair complete */ 156 ekv = (u8 *)&nvp->data[nvp->pos]; 157 skv = (u8 *)&nvp->data[nvp->entry]; 158 cplen = ekv - skv; 159 if (nvp->nvram_len + cplen + 1 >= BRCMF_FW_MAX_NVRAM_SIZE) 160 return END; 161 /* copy to output buffer */ 162 memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen); 163 nvp->nvram_len += cplen; 164 nvp->nvram[nvp->nvram_len] = '\0'; 165 nvp->nvram_len++; 166 return IDLE; 167 } 168 nvp->pos++; 169 nvp->column++; 170 return VALUE; 171 } 172 173 static enum nvram_parser_state 174 brcmf_nvram_handle_comment(struct nvram_parser *nvp) 175 { 176 char *eoc, *sol; 177 178 sol = (char *)&nvp->data[nvp->pos]; 179 eoc = strchr(sol, '\n'); 180 if (!eoc) { 181 eoc = strchr(sol, '\0'); 182 if (!eoc) 183 return END; 184 } 185 186 /* eat all moving to next line */ 187 nvp->line++; 188 nvp->column = 1; 189 nvp->pos += (eoc - sol) + 1; 190 return IDLE; 191 } 192 193 static enum nvram_parser_state brcmf_nvram_handle_end(struct nvram_parser *nvp) 194 { 195 /* final state */ 196 return END; 197 } 198 199 static enum nvram_parser_state 200 (*nv_parser_states[])(struct nvram_parser *nvp) = { 201 brcmf_nvram_handle_idle, 202 brcmf_nvram_handle_key, 203 brcmf_nvram_handle_value, 204 brcmf_nvram_handle_comment, 205 brcmf_nvram_handle_end 206 }; 207 208 static int brcmf_init_nvram_parser(struct nvram_parser *nvp, 209 const u8 *data, size_t data_len) 210 { 211 size_t size; 212 213 memset(nvp, 0, sizeof(*nvp)); 214 nvp->data = data; 215 /* Limit size to MAX_NVRAM_SIZE, some files contain lot of comment */ 216 if (data_len > BRCMF_FW_MAX_NVRAM_SIZE) 217 size = BRCMF_FW_MAX_NVRAM_SIZE; 218 else 219 size = data_len; 220 /* Alloc for extra 0 byte + roundup by 4 + length field */ 221 size += 1 + 3 + sizeof(u32); 222 nvp->nvram = kzalloc(size, GFP_KERNEL); 223 if (!nvp->nvram) 224 return -ENOMEM; 225 226 nvp->line = 1; 227 nvp->column = 1; 228 return 0; 229 } 230 231 /* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple 232 * devices. Strip it down for one device, use domain_nr/bus_nr to determine 233 * which data is to be returned. v1 is the version where nvram is stored 234 * compressed and "devpath" maps to index for valid entries. 235 */ 236 static void brcmf_fw_strip_multi_v1(struct nvram_parser *nvp, u16 domain_nr, 237 u16 bus_nr) 238 { 239 /* Device path with a leading '=' key-value separator */ 240 char pci_path[] = "=pci/?/?"; 241 size_t pci_len; 242 char pcie_path[] = "=pcie/?/?"; 243 size_t pcie_len; 244 245 u32 i, j; 246 bool found; 247 u8 *nvram; 248 u8 id; 249 250 nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL); 251 if (!nvram) 252 goto fail; 253 254 /* min length: devpath0=pcie/1/4/ + 0:x=y */ 255 if (nvp->nvram_len < BRCMF_FW_NVRAM_DEVPATH_LEN + 6) 256 goto fail; 257 258 /* First search for the devpathX and see if it is the configuration 259 * for domain_nr/bus_nr. Search complete nvp 260 */ 261 snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr, 262 bus_nr); 263 pci_len = strlen(pci_path); 264 snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr, 265 bus_nr); 266 pcie_len = strlen(pcie_path); 267 found = false; 268 i = 0; 269 while (i < nvp->nvram_len - BRCMF_FW_NVRAM_DEVPATH_LEN) { 270 /* Format: devpathX=pcie/Y/Z/ 271 * Y = domain_nr, Z = bus_nr, X = virtual ID 272 */ 273 if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 && 274 (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) || 275 !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) { 276 id = nvp->nvram[i + 7] - '0'; 277 found = true; 278 break; 279 } 280 while (nvp->nvram[i] != 0) 281 i++; 282 i++; 283 } 284 if (!found) 285 goto fail; 286 287 /* Now copy all valid entries, release old nvram and assign new one */ 288 i = 0; 289 j = 0; 290 while (i < nvp->nvram_len) { 291 if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) { 292 i += 2; 293 if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0) 294 nvp->boardrev_found = true; 295 while (nvp->nvram[i] != 0) { 296 nvram[j] = nvp->nvram[i]; 297 i++; 298 j++; 299 } 300 nvram[j] = 0; 301 j++; 302 } 303 while (nvp->nvram[i] != 0) 304 i++; 305 i++; 306 } 307 kfree(nvp->nvram); 308 nvp->nvram = nvram; 309 nvp->nvram_len = j; 310 return; 311 312 fail: 313 kfree(nvram); 314 nvp->nvram_len = 0; 315 } 316 317 /* brcmf_fw_strip_multi_v2 :Some nvram files contain settings for multiple 318 * devices. Strip it down for one device, use domain_nr/bus_nr to determine 319 * which data is to be returned. v2 is the version where nvram is stored 320 * uncompressed, all relevant valid entries are identified by 321 * pcie/domain_nr/bus_nr: 322 */ 323 static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr, 324 u16 bus_nr) 325 { 326 char prefix[BRCMF_FW_NVRAM_PCIEDEV_LEN]; 327 size_t len; 328 u32 i, j; 329 u8 *nvram; 330 331 nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL); 332 if (!nvram) 333 goto fail; 334 335 /* Copy all valid entries, release old nvram and assign new one. 336 * Valid entries are of type pcie/X/Y/ where X = domain_nr and 337 * Y = bus_nr. 338 */ 339 snprintf(prefix, sizeof(prefix), "pcie/%d/%d/", domain_nr, bus_nr); 340 len = strlen(prefix); 341 i = 0; 342 j = 0; 343 while (i < nvp->nvram_len - len) { 344 if (strncmp(&nvp->nvram[i], prefix, len) == 0) { 345 i += len; 346 if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0) 347 nvp->boardrev_found = true; 348 while (nvp->nvram[i] != 0) { 349 nvram[j] = nvp->nvram[i]; 350 i++; 351 j++; 352 } 353 nvram[j] = 0; 354 j++; 355 } 356 while (nvp->nvram[i] != 0) 357 i++; 358 i++; 359 } 360 kfree(nvp->nvram); 361 nvp->nvram = nvram; 362 nvp->nvram_len = j; 363 return; 364 fail: 365 kfree(nvram); 366 nvp->nvram_len = 0; 367 } 368 369 static void brcmf_fw_add_defaults(struct nvram_parser *nvp) 370 { 371 if (nvp->boardrev_found) 372 return; 373 374 memcpy(&nvp->nvram[nvp->nvram_len], &BRCMF_FW_DEFAULT_BOARDREV, 375 strlen(BRCMF_FW_DEFAULT_BOARDREV)); 376 nvp->nvram_len += strlen(BRCMF_FW_DEFAULT_BOARDREV); 377 nvp->nvram[nvp->nvram_len] = '\0'; 378 nvp->nvram_len++; 379 } 380 381 /* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil 382 * and ending in a NUL. Removes carriage returns, empty lines, comment lines, 383 * and converts newlines to NULs. Shortens buffer as needed and pads with NULs. 384 * End of buffer is completed with token identifying length of buffer. 385 */ 386 static void *brcmf_fw_nvram_strip(const u8 *data, size_t data_len, 387 u32 *new_length, u16 domain_nr, u16 bus_nr) 388 { 389 struct nvram_parser nvp; 390 u32 pad; 391 u32 token; 392 __le32 token_le; 393 394 if (brcmf_init_nvram_parser(&nvp, data, data_len) < 0) 395 return NULL; 396 397 while (nvp.pos < data_len) { 398 nvp.state = nv_parser_states[nvp.state](&nvp); 399 if (nvp.state == END) 400 break; 401 } 402 if (nvp.multi_dev_v1) { 403 nvp.boardrev_found = false; 404 brcmf_fw_strip_multi_v1(&nvp, domain_nr, bus_nr); 405 } else if (nvp.multi_dev_v2) { 406 nvp.boardrev_found = false; 407 brcmf_fw_strip_multi_v2(&nvp, domain_nr, bus_nr); 408 } 409 410 if (nvp.nvram_len == 0) { 411 kfree(nvp.nvram); 412 return NULL; 413 } 414 415 brcmf_fw_add_defaults(&nvp); 416 417 pad = nvp.nvram_len; 418 *new_length = roundup(nvp.nvram_len + 1, 4); 419 while (pad != *new_length) { 420 nvp.nvram[pad] = 0; 421 pad++; 422 } 423 424 token = *new_length / 4; 425 token = (~token << 16) | (token & 0x0000FFFF); 426 token_le = cpu_to_le32(token); 427 428 memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le)); 429 *new_length += sizeof(token_le); 430 431 return nvp.nvram; 432 } 433 434 void brcmf_fw_nvram_free(void *nvram) 435 { 436 kfree(nvram); 437 } 438 439 struct brcmf_fw { 440 struct device *dev; 441 struct brcmf_fw_request *req; 442 u32 curpos; 443 void (*done)(struct device *dev, int err, struct brcmf_fw_request *req); 444 }; 445 446 static void brcmf_fw_request_done(const struct firmware *fw, void *ctx); 447 448 static void brcmf_fw_free_request(struct brcmf_fw_request *req) 449 { 450 struct brcmf_fw_item *item; 451 int i; 452 453 for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) { 454 if (item->type == BRCMF_FW_TYPE_BINARY) 455 release_firmware(item->binary); 456 else if (item->type == BRCMF_FW_TYPE_NVRAM) 457 brcmf_fw_nvram_free(item->nv_data.data); 458 } 459 kfree(req); 460 } 461 462 static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) 463 { 464 struct brcmf_fw *fwctx = ctx; 465 struct brcmf_fw_item *cur; 466 u32 nvram_length = 0; 467 void *nvram = NULL; 468 u8 *data = NULL; 469 size_t data_len; 470 bool raw_nvram; 471 472 brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); 473 474 cur = &fwctx->req->items[fwctx->curpos]; 475 476 if (fw && fw->data) { 477 data = (u8 *)fw->data; 478 data_len = fw->size; 479 raw_nvram = false; 480 } else { 481 data = bcm47xx_nvram_get_contents(&data_len); 482 if (!data && !(cur->flags & BRCMF_FW_REQF_OPTIONAL)) 483 goto fail; 484 raw_nvram = true; 485 } 486 487 if (data) 488 nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length, 489 fwctx->req->domain_nr, 490 fwctx->req->bus_nr); 491 492 if (raw_nvram) 493 bcm47xx_nvram_release_contents(data); 494 release_firmware(fw); 495 if (!nvram && !(cur->flags & BRCMF_FW_REQF_OPTIONAL)) 496 goto fail; 497 498 brcmf_dbg(TRACE, "nvram %p len %d\n", nvram, nvram_length); 499 cur->nv_data.data = nvram; 500 cur->nv_data.len = nvram_length; 501 return; 502 503 fail: 504 brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); 505 fwctx->done(fwctx->dev, -ENOENT, NULL); 506 brcmf_fw_free_request(fwctx->req); 507 kfree(fwctx); 508 } 509 510 static int brcmf_fw_request_next_item(struct brcmf_fw *fwctx, bool async) 511 { 512 struct brcmf_fw_item *cur; 513 const struct firmware *fw = NULL; 514 int ret; 515 516 cur = &fwctx->req->items[fwctx->curpos]; 517 518 brcmf_dbg(TRACE, "%srequest for %s\n", async ? "async " : "", 519 cur->path); 520 521 if (async) 522 ret = request_firmware_nowait(THIS_MODULE, true, cur->path, 523 fwctx->dev, GFP_KERNEL, fwctx, 524 brcmf_fw_request_done); 525 else 526 ret = request_firmware(&fw, cur->path, fwctx->dev); 527 528 if (ret < 0) { 529 brcmf_fw_request_done(NULL, fwctx); 530 } else if (!async && fw) { 531 brcmf_dbg(TRACE, "firmware %s %sfound\n", cur->path, 532 fw ? "" : "not "); 533 if (cur->type == BRCMF_FW_TYPE_BINARY) 534 cur->binary = fw; 535 else if (cur->type == BRCMF_FW_TYPE_NVRAM) 536 brcmf_fw_request_nvram_done(fw, fwctx); 537 else 538 release_firmware(fw); 539 540 return -EAGAIN; 541 } 542 return 0; 543 } 544 545 static void brcmf_fw_request_done(const struct firmware *fw, void *ctx) 546 { 547 struct brcmf_fw *fwctx = ctx; 548 struct brcmf_fw_item *cur; 549 int ret = 0; 550 551 cur = &fwctx->req->items[fwctx->curpos]; 552 553 brcmf_dbg(TRACE, "enter: firmware %s %sfound\n", cur->path, 554 fw ? "" : "not "); 555 556 if (fw) { 557 if (cur->type == BRCMF_FW_TYPE_BINARY) 558 cur->binary = fw; 559 else if (cur->type == BRCMF_FW_TYPE_NVRAM) 560 brcmf_fw_request_nvram_done(fw, fwctx); 561 else 562 release_firmware(fw); 563 } else if (cur->type == BRCMF_FW_TYPE_NVRAM) { 564 brcmf_fw_request_nvram_done(NULL, fwctx); 565 } else if (!(cur->flags & BRCMF_FW_REQF_OPTIONAL)) { 566 ret = -ENOENT; 567 goto fail; 568 } 569 570 do { 571 if (++fwctx->curpos == fwctx->req->n_items) { 572 ret = 0; 573 goto done; 574 } 575 576 ret = brcmf_fw_request_next_item(fwctx, false); 577 } while (ret == -EAGAIN); 578 579 return; 580 581 fail: 582 brcmf_dbg(TRACE, "failed err=%d: dev=%s, fw=%s\n", ret, 583 dev_name(fwctx->dev), cur->path); 584 brcmf_fw_free_request(fwctx->req); 585 fwctx->req = NULL; 586 done: 587 fwctx->done(fwctx->dev, ret, fwctx->req); 588 kfree(fwctx); 589 } 590 591 static bool brcmf_fw_request_is_valid(struct brcmf_fw_request *req) 592 { 593 struct brcmf_fw_item *item; 594 int i; 595 596 if (!req->n_items) 597 return false; 598 599 for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) { 600 if (!item->path) 601 return false; 602 } 603 return true; 604 } 605 606 int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req, 607 void (*fw_cb)(struct device *dev, int err, 608 struct brcmf_fw_request *req)) 609 { 610 struct brcmf_fw *fwctx; 611 612 brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev)); 613 if (!fw_cb) 614 return -EINVAL; 615 616 if (!brcmf_fw_request_is_valid(req)) 617 return -EINVAL; 618 619 fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL); 620 if (!fwctx) 621 return -ENOMEM; 622 623 fwctx->dev = dev; 624 fwctx->req = req; 625 fwctx->done = fw_cb; 626 627 brcmf_fw_request_next_item(fwctx, true); 628 return 0; 629 } 630 631 struct brcmf_fw_request * 632 brcmf_fw_alloc_request(u32 chip, u32 chiprev, 633 struct brcmf_firmware_mapping mapping_table[], 634 u32 table_size, struct brcmf_fw_name *fwnames, 635 u32 n_fwnames) 636 { 637 struct brcmf_fw_request *fwreq; 638 char chipname[12]; 639 const char *mp_path; 640 u32 i, j; 641 char end; 642 size_t reqsz; 643 644 for (i = 0; i < table_size; i++) { 645 if (mapping_table[i].chipid == chip && 646 mapping_table[i].revmask & BIT(chiprev)) 647 break; 648 } 649 650 if (i == table_size) { 651 brcmf_err("Unknown chipid %d [%d]\n", chip, chiprev); 652 return NULL; 653 } 654 655 reqsz = sizeof(*fwreq) + n_fwnames * sizeof(struct brcmf_fw_item); 656 fwreq = kzalloc(reqsz, GFP_KERNEL); 657 if (!fwreq) 658 return NULL; 659 660 brcmf_chip_name(chip, chiprev, chipname, sizeof(chipname)); 661 662 brcmf_info("using %s for chip %s\n", 663 mapping_table[i].fw_base, chipname); 664 665 mp_path = brcmf_mp_global.firmware_path; 666 end = mp_path[strlen(mp_path) - 1]; 667 fwreq->n_items = n_fwnames; 668 669 for (j = 0; j < n_fwnames; j++) { 670 fwreq->items[j].path = fwnames[j].path; 671 /* check if firmware path is provided by module parameter */ 672 if (brcmf_mp_global.firmware_path[0] != '\0') { 673 strlcpy(fwnames[j].path, mp_path, 674 BRCMF_FW_NAME_LEN); 675 676 if (end != '/') { 677 strlcat(fwnames[j].path, "/", 678 BRCMF_FW_NAME_LEN); 679 } 680 } 681 strlcat(fwnames[j].path, mapping_table[i].fw_base, 682 BRCMF_FW_NAME_LEN); 683 strlcat(fwnames[j].path, fwnames[j].extension, 684 BRCMF_FW_NAME_LEN); 685 fwreq->items[j].path = fwnames[j].path; 686 } 687 688 return fwreq; 689 } 690