/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
C | 752 lines | 573 code | 104 blank | 75 comment | 134 complexity | f05e1c8363f75304d03f7c8749470374 MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
- // SPDX-License-Identifier: ISC
- /*
- * Copyright (c) 2013 Broadcom Corporation
- */
- #include <linux/efi.h>
- #include <linux/kernel.h>
- #include <linux/slab.h>
- #include <linux/device.h>
- #include <linux/firmware.h>
- #include <linux/module.h>
- #include <linux/bcm47xx_nvram.h>
- #include "debug.h"
- #include "firmware.h"
- #include "core.h"
- #include "common.h"
- #include "chip.h"
- #define BRCMF_FW_MAX_NVRAM_SIZE 64000
- #define BRCMF_FW_NVRAM_DEVPATH_LEN 19 /* devpath0=pcie/1/4/ */
- #define BRCMF_FW_NVRAM_PCIEDEV_LEN 10 /* pcie/1/4/ + \0 */
- #define BRCMF_FW_DEFAULT_BOARDREV "boardrev=0xff"
- enum nvram_parser_state {
- IDLE,
- KEY,
- VALUE,
- COMMENT,
- END
- };
- /**
- * struct nvram_parser - internal info for parser.
- *
- * @state: current parser state.
- * @data: input buffer being parsed.
- * @nvram: output buffer with parse result.
- * @nvram_len: length of parse result.
- * @line: current line.
- * @column: current column in line.
- * @pos: byte offset in input buffer.
- * @entry: start position of key,value entry.
- * @multi_dev_v1: detect pcie multi device v1 (compressed).
- * @multi_dev_v2: detect pcie multi device v2.
- * @boardrev_found: nvram contains boardrev information.
- */
- struct nvram_parser {
- enum nvram_parser_state state;
- const u8 *data;
- u8 *nvram;
- u32 nvram_len;
- u32 line;
- u32 column;
- u32 pos;
- u32 entry;
- bool multi_dev_v1;
- bool multi_dev_v2;
- bool boardrev_found;
- };
- /**
- * is_nvram_char() - check if char is a valid one for NVRAM entry
- *
- * It accepts all printable ASCII chars except for '#' which opens a comment.
- * Please note that ' ' (space) while accepted is not a valid key name char.
- */
- static bool is_nvram_char(char c)
- {
- /* comment marker excluded */
- if (c == '#')
- return false;
- /* key and value may have any other readable character */
- return (c >= 0x20 && c < 0x7f);
- }
- static bool is_whitespace(char c)
- {
- return (c == ' ' || c == '\r' || c == '\n' || c == '\t');
- }
- static enum nvram_parser_state brcmf_nvram_handle_idle(struct nvram_parser *nvp)
- {
- char c;
- c = nvp->data[nvp->pos];
- if (c == '\n')
- return COMMENT;
- if (is_whitespace(c) || c == '\0')
- goto proceed;
- if (c == '#')
- return COMMENT;
- if (is_nvram_char(c)) {
- nvp->entry = nvp->pos;
- return KEY;
- }
- brcmf_dbg(INFO, "warning: ln=%d:col=%d: ignoring invalid character\n",
- nvp->line, nvp->column);
- proceed:
- nvp->column++;
- nvp->pos++;
- return IDLE;
- }
- static enum nvram_parser_state brcmf_nvram_handle_key(struct nvram_parser *nvp)
- {
- enum nvram_parser_state st = nvp->state;
- char c;
- c = nvp->data[nvp->pos];
- if (c == '=') {
- /* ignore RAW1 by treating as comment */
- if (strncmp(&nvp->data[nvp->entry], "RAW1", 4) == 0)
- st = COMMENT;
- else
- st = VALUE;
- if (strncmp(&nvp->data[nvp->entry], "devpath", 7) == 0)
- nvp->multi_dev_v1 = true;
- if (strncmp(&nvp->data[nvp->entry], "pcie/", 5) == 0)
- nvp->multi_dev_v2 = true;
- if (strncmp(&nvp->data[nvp->entry], "boardrev", 8) == 0)
- nvp->boardrev_found = true;
- } else if (!is_nvram_char(c) || c == ' ') {
- brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n",
- nvp->line, nvp->column);
- return COMMENT;
- }
- nvp->column++;
- nvp->pos++;
- return st;
- }
- static enum nvram_parser_state
- brcmf_nvram_handle_value(struct nvram_parser *nvp)
- {
- char c;
- char *skv;
- char *ekv;
- u32 cplen;
- c = nvp->data[nvp->pos];
- if (!is_nvram_char(c)) {
- /* key,value pair complete */
- ekv = (u8 *)&nvp->data[nvp->pos];
- skv = (u8 *)&nvp->data[nvp->entry];
- cplen = ekv - skv;
- if (nvp->nvram_len + cplen + 1 >= BRCMF_FW_MAX_NVRAM_SIZE)
- return END;
- /* copy to output buffer */
- memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen);
- nvp->nvram_len += cplen;
- nvp->nvram[nvp->nvram_len] = '\0';
- nvp->nvram_len++;
- return IDLE;
- }
- nvp->pos++;
- nvp->column++;
- return VALUE;
- }
- static enum nvram_parser_state
- brcmf_nvram_handle_comment(struct nvram_parser *nvp)
- {
- char *eoc, *sol;
- sol = (char *)&nvp->data[nvp->pos];
- eoc = strchr(sol, '\n');
- if (!eoc) {
- eoc = strchr(sol, '\0');
- if (!eoc)
- return END;
- }
- /* eat all moving to next line */
- nvp->line++;
- nvp->column = 1;
- nvp->pos += (eoc - sol) + 1;
- return IDLE;
- }
- static enum nvram_parser_state brcmf_nvram_handle_end(struct nvram_parser *nvp)
- {
- /* final state */
- return END;
- }
- static enum nvram_parser_state
- (*nv_parser_states[])(struct nvram_parser *nvp) = {
- brcmf_nvram_handle_idle,
- brcmf_nvram_handle_key,
- brcmf_nvram_handle_value,
- brcmf_nvram_handle_comment,
- brcmf_nvram_handle_end
- };
- static int brcmf_init_nvram_parser(struct nvram_parser *nvp,
- const u8 *data, size_t data_len)
- {
- size_t size;
- memset(nvp, 0, sizeof(*nvp));
- nvp->data = data;
- /* Limit size to MAX_NVRAM_SIZE, some files contain lot of comment */
- if (data_len > BRCMF_FW_MAX_NVRAM_SIZE)
- size = BRCMF_FW_MAX_NVRAM_SIZE;
- else
- size = data_len;
- /* Alloc for extra 0 byte + roundup by 4 + length field */
- size += 1 + 3 + sizeof(u32);
- nvp->nvram = kzalloc(size, GFP_KERNEL);
- if (!nvp->nvram)
- return -ENOMEM;
- nvp->line = 1;
- nvp->column = 1;
- return 0;
- }
- /* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple
- * devices. Strip it down for one device, use domain_nr/bus_nr to determine
- * which data is to be returned. v1 is the version where nvram is stored
- * compressed and "devpath" maps to index for valid entries.
- */
- static void brcmf_fw_strip_multi_v1(struct nvram_parser *nvp, u16 domain_nr,
- u16 bus_nr)
- {
- /* Device path with a leading '=' key-value separator */
- char pci_path[] = "=pci/?/?";
- size_t pci_len;
- char pcie_path[] = "=pcie/?/?";
- size_t pcie_len;
- u32 i, j;
- bool found;
- u8 *nvram;
- u8 id;
- nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
- if (!nvram)
- goto fail;
- /* min length: devpath0=pcie/1/4/ + 0:x=y */
- if (nvp->nvram_len < BRCMF_FW_NVRAM_DEVPATH_LEN + 6)
- goto fail;
- /* First search for the devpathX and see if it is the configuration
- * for domain_nr/bus_nr. Search complete nvp
- */
- snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr,
- bus_nr);
- pci_len = strlen(pci_path);
- snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr,
- bus_nr);
- pcie_len = strlen(pcie_path);
- found = false;
- i = 0;
- while (i < nvp->nvram_len - BRCMF_FW_NVRAM_DEVPATH_LEN) {
- /* Format: devpathX=pcie/Y/Z/
- * Y = domain_nr, Z = bus_nr, X = virtual ID
- */
- if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 &&
- (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) ||
- !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) {
- id = nvp->nvram[i + 7] - '0';
- found = true;
- break;
- }
- while (nvp->nvram[i] != 0)
- i++;
- i++;
- }
- if (!found)
- goto fail;
- /* Now copy all valid entries, release old nvram and assign new one */
- i = 0;
- j = 0;
- while (i < nvp->nvram_len) {
- if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) {
- i += 2;
- if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
- nvp->boardrev_found = true;
- while (nvp->nvram[i] != 0) {
- nvram[j] = nvp->nvram[i];
- i++;
- j++;
- }
- nvram[j] = 0;
- j++;
- }
- while (nvp->nvram[i] != 0)
- i++;
- i++;
- }
- kfree(nvp->nvram);
- nvp->nvram = nvram;
- nvp->nvram_len = j;
- return;
- fail:
- kfree(nvram);
- nvp->nvram_len = 0;
- }
- /* brcmf_fw_strip_multi_v2 :Some nvram files contain settings for multiple
- * devices. Strip it down for one device, use domain_nr/bus_nr to determine
- * which data is to be returned. v2 is the version where nvram is stored
- * uncompressed, all relevant valid entries are identified by
- * pcie/domain_nr/bus_nr:
- */
- static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr,
- u16 bus_nr)
- {
- char prefix[BRCMF_FW_NVRAM_PCIEDEV_LEN];
- size_t len;
- u32 i, j;
- u8 *nvram;
- nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
- if (!nvram)
- goto fail;
- /* Copy all valid entries, release old nvram and assign new one.
- * Valid entries are of type pcie/X/Y/ where X = domain_nr and
- * Y = bus_nr.
- */
- snprintf(prefix, sizeof(prefix), "pcie/%d/%d/", domain_nr, bus_nr);
- len = strlen(prefix);
- i = 0;
- j = 0;
- while (i < nvp->nvram_len - len) {
- if (strncmp(&nvp->nvram[i], prefix, len) == 0) {
- i += len;
- if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
- nvp->boardrev_found = true;
- while (nvp->nvram[i] != 0) {
- nvram[j] = nvp->nvram[i];
- i++;
- j++;
- }
- nvram[j] = 0;
- j++;
- }
- while (nvp->nvram[i] != 0)
- i++;
- i++;
- }
- kfree(nvp->nvram);
- nvp->nvram = nvram;
- nvp->nvram_len = j;
- return;
- fail:
- kfree(nvram);
- nvp->nvram_len = 0;
- }
- static void brcmf_fw_add_defaults(struct nvram_parser *nvp)
- {
- if (nvp->boardrev_found)
- return;
- memcpy(&nvp->nvram[nvp->nvram_len], &BRCMF_FW_DEFAULT_BOARDREV,
- strlen(BRCMF_FW_DEFAULT_BOARDREV));
- nvp->nvram_len += strlen(BRCMF_FW_DEFAULT_BOARDREV);
- nvp->nvram[nvp->nvram_len] = '\0';
- nvp->nvram_len++;
- }
- /* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil
- * and ending in a NUL. Removes carriage returns, empty lines, comment lines,
- * and converts newlines to NULs. Shortens buffer as needed and pads with NULs.
- * End of buffer is completed with token identifying length of buffer.
- */
- static void *brcmf_fw_nvram_strip(const u8 *data, size_t data_len,
- u32 *new_length, u16 domain_nr, u16 bus_nr)
- {
- struct nvram_parser nvp;
- u32 pad;
- u32 token;
- __le32 token_le;
- if (brcmf_init_nvram_parser(&nvp, data, data_len) < 0)
- return NULL;
- while (nvp.pos < data_len) {
- nvp.state = nv_parser_states[nvp.state](&nvp);
- if (nvp.state == END)
- break;
- }
- if (nvp.multi_dev_v1) {
- nvp.boardrev_found = false;
- brcmf_fw_strip_multi_v1(&nvp, domain_nr, bus_nr);
- } else if (nvp.multi_dev_v2) {
- nvp.boardrev_found = false;
- brcmf_fw_strip_multi_v2(&nvp, domain_nr, bus_nr);
- }
- if (nvp.nvram_len == 0) {
- kfree(nvp.nvram);
- return NULL;
- }
- brcmf_fw_add_defaults(&nvp);
- pad = nvp.nvram_len;
- *new_length = roundup(nvp.nvram_len + 1, 4);
- while (pad != *new_length) {
- nvp.nvram[pad] = 0;
- pad++;
- }
- token = *new_length / 4;
- token = (~token << 16) | (token & 0x0000FFFF);
- token_le = cpu_to_le32(token);
- memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le));
- *new_length += sizeof(token_le);
- return nvp.nvram;
- }
- void brcmf_fw_nvram_free(void *nvram)
- {
- kfree(nvram);
- }
- struct brcmf_fw {
- struct device *dev;
- struct brcmf_fw_request *req;
- u32 curpos;
- void (*done)(struct device *dev, int err, struct brcmf_fw_request *req);
- };
- static void brcmf_fw_request_done(const struct firmware *fw, void *ctx);
- #ifdef CONFIG_EFI
- /* In some cases the EFI-var stored nvram contains "ccode=ALL" or "ccode=XV"
- * to specify "worldwide" compatible settings, but these 2 ccode-s do not work
- * properly. "ccode=ALL" causes channels 12 and 13 to not be available,
- * "ccode=XV" causes all 5GHz channels to not be available. So we replace both
- * with "ccode=X2" which allows channels 12+13 and 5Ghz channels in
- * no-Initiate-Radiation mode. This means that we will never send on these
- * channels without first having received valid wifi traffic on the channel.
- */
- static void brcmf_fw_fix_efi_nvram_ccode(char *data, unsigned long data_len)
- {
- char *ccode;
- ccode = strnstr((char *)data, "ccode=ALL", data_len);
- if (!ccode)
- ccode = strnstr((char *)data, "ccode=XV\r", data_len);
- if (!ccode)
- return;
- ccode[6] = 'X';
- ccode[7] = '2';
- ccode[8] = '\r';
- }
- static u8 *brcmf_fw_nvram_from_efi(size_t *data_len_ret)
- {
- const u16 name[] = { 'n', 'v', 'r', 'a', 'm', 0 };
- struct efivar_entry *nvram_efivar;
- unsigned long data_len = 0;
- u8 *data = NULL;
- int err;
- nvram_efivar = kzalloc(sizeof(*nvram_efivar), GFP_KERNEL);
- if (!nvram_efivar)
- return NULL;
- memcpy(&nvram_efivar->var.VariableName, name, sizeof(name));
- nvram_efivar->var.VendorGuid = EFI_GUID(0x74b00bd9, 0x805a, 0x4d61,
- 0xb5, 0x1f, 0x43, 0x26,
- 0x81, 0x23, 0xd1, 0x13);
- err = efivar_entry_size(nvram_efivar, &data_len);
- if (err)
- goto fail;
- data = kmalloc(data_len, GFP_KERNEL);
- if (!data)
- goto fail;
- err = efivar_entry_get(nvram_efivar, NULL, &data_len, data);
- if (err)
- goto fail;
- brcmf_fw_fix_efi_nvram_ccode(data, data_len);
- brcmf_info("Using nvram EFI variable\n");
- kfree(nvram_efivar);
- *data_len_ret = data_len;
- return data;
- fail:
- kfree(data);
- kfree(nvram_efivar);
- return NULL;
- }
- #else
- static inline u8 *brcmf_fw_nvram_from_efi(size_t *data_len) { return NULL; }
- #endif
- static void brcmf_fw_free_request(struct brcmf_fw_request *req)
- {
- struct brcmf_fw_item *item;
- int i;
- for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) {
- if (item->type == BRCMF_FW_TYPE_BINARY)
- release_firmware(item->binary);
- else if (item->type == BRCMF_FW_TYPE_NVRAM)
- brcmf_fw_nvram_free(item->nv_data.data);
- }
- kfree(req);
- }
- static int brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx)
- {
- struct brcmf_fw *fwctx = ctx;
- struct brcmf_fw_item *cur;
- bool free_bcm47xx_nvram = false;
- bool kfree_nvram = false;
- u32 nvram_length = 0;
- void *nvram = NULL;
- u8 *data = NULL;
- size_t data_len;
- brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev));
- cur = &fwctx->req->items[fwctx->curpos];
- if (fw && fw->data) {
- data = (u8 *)fw->data;
- data_len = fw->size;
- } else {
- if ((data = bcm47xx_nvram_get_contents(&data_len)))
- free_bcm47xx_nvram = true;
- else if ((data = brcmf_fw_nvram_from_efi(&data_len)))
- kfree_nvram = true;
- else if (!(cur->flags & BRCMF_FW_REQF_OPTIONAL))
- goto fail;
- }
- if (data)
- nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
- fwctx->req->domain_nr,
- fwctx->req->bus_nr);
- if (free_bcm47xx_nvram)
- bcm47xx_nvram_release_contents(data);
- if (kfree_nvram)
- kfree(data);
- release_firmware(fw);
- if (!nvram && !(cur->flags & BRCMF_FW_REQF_OPTIONAL))
- goto fail;
- brcmf_dbg(TRACE, "nvram %p len %d\n", nvram, nvram_length);
- cur->nv_data.data = nvram;
- cur->nv_data.len = nvram_length;
- return 0;
- fail:
- return -ENOENT;
- }
- static int brcmf_fw_complete_request(const struct firmware *fw,
- struct brcmf_fw *fwctx)
- {
- struct brcmf_fw_item *cur = &fwctx->req->items[fwctx->curpos];
- int ret = 0;
- brcmf_dbg(TRACE, "firmware %s %sfound\n", cur->path, fw ? "" : "not ");
- switch (cur->type) {
- case BRCMF_FW_TYPE_NVRAM:
- ret = brcmf_fw_request_nvram_done(fw, fwctx);
- break;
- case BRCMF_FW_TYPE_BINARY:
- if (fw)
- cur->binary = fw;
- else
- ret = -ENOENT;
- break;
- default:
- /* something fishy here so bail out early */
- brcmf_err("unknown fw type: %d\n", cur->type);
- release_firmware(fw);
- ret = -EINVAL;
- }
- return (cur->flags & BRCMF_FW_REQF_OPTIONAL) ? 0 : ret;
- }
- static int brcmf_fw_request_firmware(const struct firmware **fw,
- struct brcmf_fw *fwctx)
- {
- struct brcmf_fw_item *cur = &fwctx->req->items[fwctx->curpos];
- int ret;
- /* nvram files are board-specific, first try a board-specific path */
- if (cur->type == BRCMF_FW_TYPE_NVRAM && fwctx->req->board_type) {
- char alt_path[BRCMF_FW_NAME_LEN];
- strlcpy(alt_path, cur->path, BRCMF_FW_NAME_LEN);
- /* strip .txt at the end */
- alt_path[strlen(alt_path) - 4] = 0;
- strlcat(alt_path, ".", BRCMF_FW_NAME_LEN);
- strlcat(alt_path, fwctx->req->board_type, BRCMF_FW_NAME_LEN);
- strlcat(alt_path, ".txt", BRCMF_FW_NAME_LEN);
- ret = request_firmware(fw, alt_path, fwctx->dev);
- if (ret == 0)
- return ret;
- }
- return request_firmware(fw, cur->path, fwctx->dev);
- }
- static void brcmf_fw_request_done(const struct firmware *fw, void *ctx)
- {
- struct brcmf_fw *fwctx = ctx;
- int ret;
- ret = brcmf_fw_complete_request(fw, fwctx);
- while (ret == 0 && ++fwctx->curpos < fwctx->req->n_items) {
- brcmf_fw_request_firmware(&fw, fwctx);
- ret = brcmf_fw_complete_request(fw, ctx);
- }
- if (ret) {
- brcmf_fw_free_request(fwctx->req);
- fwctx->req = NULL;
- }
- fwctx->done(fwctx->dev, ret, fwctx->req);
- kfree(fwctx);
- }
- static bool brcmf_fw_request_is_valid(struct brcmf_fw_request *req)
- {
- struct brcmf_fw_item *item;
- int i;
- if (!req->n_items)
- return false;
- for (i = 0, item = &req->items[0]; i < req->n_items; i++, item++) {
- if (!item->path)
- return false;
- }
- return true;
- }
- int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req,
- void (*fw_cb)(struct device *dev, int err,
- struct brcmf_fw_request *req))
- {
- struct brcmf_fw_item *first = &req->items[0];
- struct brcmf_fw *fwctx;
- int ret;
- brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev));
- if (!fw_cb)
- return -EINVAL;
- if (!brcmf_fw_request_is_valid(req))
- return -EINVAL;
- fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL);
- if (!fwctx)
- return -ENOMEM;
- fwctx->dev = dev;
- fwctx->req = req;
- fwctx->done = fw_cb;
- ret = request_firmware_nowait(THIS_MODULE, true, first->path,
- fwctx->dev, GFP_KERNEL, fwctx,
- brcmf_fw_request_done);
- if (ret < 0)
- brcmf_fw_request_done(NULL, fwctx);
- return 0;
- }
- struct brcmf_fw_request *
- brcmf_fw_alloc_request(u32 chip, u32 chiprev,
- const struct brcmf_firmware_mapping mapping_table[],
- u32 table_size, struct brcmf_fw_name *fwnames,
- u32 n_fwnames)
- {
- struct brcmf_fw_request *fwreq;
- char chipname[12];
- const char *mp_path;
- size_t mp_path_len;
- u32 i, j;
- char end = '\0';
- for (i = 0; i < table_size; i++) {
- if (mapping_table[i].chipid == chip &&
- mapping_table[i].revmask & BIT(chiprev))
- break;
- }
- brcmf_chip_name(chip, chiprev, chipname, sizeof(chipname));
- if (i == table_size) {
- brcmf_err("Unknown chip %s\n", chipname);
- return NULL;
- }
- fwreq = kzalloc(struct_size(fwreq, items, n_fwnames), GFP_KERNEL);
- if (!fwreq)
- return NULL;
- brcmf_info("using %s for chip %s\n",
- mapping_table[i].fw_base, chipname);
- mp_path = brcmf_mp_global.firmware_path;
- mp_path_len = strnlen(mp_path, BRCMF_FW_ALTPATH_LEN);
- if (mp_path_len)
- end = mp_path[mp_path_len - 1];
- fwreq->n_items = n_fwnames;
- for (j = 0; j < n_fwnames; j++) {
- fwreq->items[j].path = fwnames[j].path;
- fwnames[j].path[0] = '\0';
- /* check if firmware path is provided by module parameter */
- if (brcmf_mp_global.firmware_path[0] != '\0') {
- strlcpy(fwnames[j].path, mp_path,
- BRCMF_FW_NAME_LEN);
- if (end != '/') {
- strlcat(fwnames[j].path, "/",
- BRCMF_FW_NAME_LEN);
- }
- }
- strlcat(fwnames[j].path, mapping_table[i].fw_base,
- BRCMF_FW_NAME_LEN);
- strlcat(fwnames[j].path, fwnames[j].extension,
- BRCMF_FW_NAME_LEN);
- fwreq->items[j].path = fwnames[j].path;
- }
- return fwreq;
- }