91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
/*
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* net.c - barebox networking support
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*
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* Copyright (c) 2015 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* based on U-Boot (LiMon) code
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*
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* Copyright 1994 - 2000 Neil Russell.
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* Copyright 2000 Roland Borde
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* Copyright 2000 Paolo Scaffardi
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* Copyright 2000-2002 Wolfgang Denk, wd@denx.de
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <net.h>
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#include <linux/ctype.h>
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int string_to_ethaddr(const char *str, u8 enetaddr[6])
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{
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int reg;
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char *e;
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if (!str || strlen(str) != 17) {
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memset(enetaddr, 0, 6);
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return -EINVAL;
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}
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if (str[2] != ':' || str[5] != ':' || str[8] != ':' ||
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str[11] != ':' || str[14] != ':')
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return -EINVAL;
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for (reg = 0; reg < 6; ++reg) {
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enetaddr[reg] = simple_strtoul(str, &e, 16);
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str = e + 1;
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}
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return 0;
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}
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void ethaddr_to_string(const u8 enetaddr[6], char *str)
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{
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sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
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enetaddr[0], enetaddr[1], enetaddr[2], enetaddr[3],
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enetaddr[4], enetaddr[5]);
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}
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int string_to_ip(const char *s, IPaddr_t *ip)
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{
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IPaddr_t addr = 0;
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char *e;
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int i;
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if (!s)
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return -EINVAL;
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for (i = 0; i < 4; i++) {
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unsigned long val;
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if (!isdigit(*s))
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return -EINVAL;
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val = simple_strtoul(s, &e, 10);
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if (val > 255)
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return -EINVAL;
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addr = (addr << 8) | val;
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if (*e != '.' && i != 3)
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return -EINVAL;
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s = e + 1;
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}
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*ip = htonl(addr);
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return 0;
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}
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