diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ar71xx/nvram.c')
-rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/nvram.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/nvram.c b/target/linux/ar71xx/files/arch/mips/ar71xx/nvram.c deleted file mode 100644 index dfab246..0000000 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/nvram.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Atheros AR71xx minimal nvram support - * - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/vmalloc.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/string.h> - -#include "nvram.h" - -char *nvram_find_var(const char *name, const char *buf, unsigned buf_len) -{ - unsigned len = strlen(name); - char *cur, *last; - - if (buf_len == 0 || len == 0) - return NULL; - - if (buf_len < len) - return NULL; - - if (len == 1) - return memchr(buf, (int) *name, buf_len); - - last = (char *) buf + buf_len - len; - for (cur = (char *) buf; cur <= last; cur++) - if (cur[0] == name[0] && memcmp(cur, name, len) == 0) - return cur + len; - - return NULL; -} - -int nvram_parse_mac_addr(const char *nvram, unsigned nvram_len, - const char *name, char *mac) -{ - char *buf; - char *mac_str; - int ret; - int t; - - buf = vmalloc(nvram_len); - if (!buf) - return -ENOMEM; - - memcpy(buf, nvram, nvram_len); - buf[nvram_len - 1] = '\0'; - - mac_str = nvram_find_var(name, buf, nvram_len); - if (!mac_str) { - ret = -EINVAL; - goto free; - } - - t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", - &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]); - - if (t != 6) { - ret = -EINVAL; - goto free; - } - - ret = 0; - -free: - vfree(buf); - return ret; -} |