brcm80211/brcmfmac/firmware.c

40  * @nvram: output buffer with parse result.
48  * @boardrev_found: nvram contains boardrev information.
54 	u8 *nvram;
160 		memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen);
162 		nvp->nvram[nvp->nvram_len] = '\0';
223 	nvp->nvram = kzalloc(size, GFP_KERNEL);
224 	if (!nvp->nvram)
232 /* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple
234  * which data is to be returned. v1 is the version where nvram is stored
248 	u8 *nvram;
251 	nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
252 	if (!nvram)
274 		if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 &&
275 		    (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) ||
276 		     !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) {
277 			id = nvp->nvram[i + 7] - '0';
281 		while (nvp->nvram[i] != 0)
288 	/* Now copy all valid entries, release old nvram and assign new one */
292 		if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) {
294 			if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
296 			while (nvp->nvram[i] != 0) {
297 				nvram[j] = nvp->nvram[i];
301 			nvram[j] = 0;
304 		while (nvp->nvram[i] != 0)
308 	kfree(nvp->nvram);
309 	nvp->nvram = nvram;
314 	kfree(nvram);
318 /* brcmf_fw_strip_multi_v2 :Some nvram files contain settings for multiple
320  * which data is to be returned. v2 is the version where nvram is stored
330 	u8 *nvram;
332 	nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL);
333 	if (!nvram) {
338 	/* Copy all valid entries, release old nvram and assign new one.
347 		if (strncmp(&nvp->nvram[i], prefix, len) == 0) {
349 			if (strncmp(&nvp->nvram[i], "boardrev", 8) == 0)
351 			while (nvp->nvram[i] != 0) {
352 				nvram[j] = nvp->nvram[i];
356 			nvram[j] = 0;
359 		while (nvp->nvram[i] != 0)
363 	kfree(nvp->nvram);
364 	nvp->nvram = nvram;
373 	memcpy(&nvp->nvram[nvp->nvram_len], &BRCMF_FW_DEFAULT_BOARDREV,
376 	nvp->nvram[nvp->nvram_len] = '\0';
384 	len = scnprintf(&nvp->nvram[nvp->nvram_len], BRCMF_FW_MACADDR_LEN + 1,
425 		kfree(nvp.nvram);
437 		nvp.nvram[pad] = 0;
445 	memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le));
448 	return nvp.nvram;
451 void brcmf_fw_nvram_free(void *nvram)
453 	kfree(nvram);
465 /* In some cases the EFI-var stored nvram contains "ccode=ALL" or "ccode=XV"
499 	status = efi.get_variable(L"nvram", &guid, NULL, &data_len, NULL);
507 	status = efi.get_variable(L"nvram", &guid, NULL, &data_len, data);
512 	brcmf_info("Using nvram EFI variable\n");
545 	void *nvram = NULL;
566 		nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length,
577 	if (!nvram && !(cur->flags & BRCMF_FW_REQF_OPTIONAL))
580 	brcmf_dbg(TRACE, "nvram %p len %d\n", nvram, nvram_length);
581 	cur->nv_data.data = nvram;