xref: /rk3399_rockchip-uboot/lib/net_utils.c (revision 78acc472d9719316f22e002a009a998d9ceec29d)
1*78acc472SPeter Tyser /*
2*78acc472SPeter Tyser  * Generic network code. Moved from net.c
3*78acc472SPeter Tyser  *
4*78acc472SPeter Tyser  * Copyright 1994 - 2000 Neil Russell.
5*78acc472SPeter Tyser  * Copyright 2000 Roland Borde
6*78acc472SPeter Tyser  * Copyright 2000 Paolo Scaffardi
7*78acc472SPeter Tyser  * Copyright 2000-2002 Wolfgang Denk, wd@denx.de
8*78acc472SPeter Tyser  * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com
9*78acc472SPeter Tyser  *
10*78acc472SPeter Tyser  * See file CREDITS for list of people who contributed to this
11*78acc472SPeter Tyser  * project.
12*78acc472SPeter Tyser  *
13*78acc472SPeter Tyser  * This program is free software; you can redistribute it and/or
14*78acc472SPeter Tyser  * modify it under the terms of the GNU General Public License as
15*78acc472SPeter Tyser  * published by the Free Software Foundation; either version 2 of
16*78acc472SPeter Tyser  * the License, or (at your option) any later version.
17*78acc472SPeter Tyser  *
18*78acc472SPeter Tyser  * This program is distributed in the hope that it will be useful,
19*78acc472SPeter Tyser  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20*78acc472SPeter Tyser  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21*78acc472SPeter Tyser  * GNU General Public License for more details.
22*78acc472SPeter Tyser  *
23*78acc472SPeter Tyser  * You should have received a copy of the GNU General Public License
24*78acc472SPeter Tyser  * along with this program; if not, write to the Free Software
25*78acc472SPeter Tyser  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26*78acc472SPeter Tyser  * MA 02111-1307 USA
27*78acc472SPeter Tyser  */
28*78acc472SPeter Tyser 
29*78acc472SPeter Tyser #include <common.h>
30*78acc472SPeter Tyser 
31*78acc472SPeter Tyser IPaddr_t string_to_ip(char *s)
32*78acc472SPeter Tyser {
33*78acc472SPeter Tyser 	IPaddr_t addr;
34*78acc472SPeter Tyser 	char *e;
35*78acc472SPeter Tyser 	int i;
36*78acc472SPeter Tyser 
37*78acc472SPeter Tyser 	if (s == NULL)
38*78acc472SPeter Tyser 		return(0);
39*78acc472SPeter Tyser 
40*78acc472SPeter Tyser 	for (addr=0, i=0; i<4; ++i) {
41*78acc472SPeter Tyser 		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
42*78acc472SPeter Tyser 		addr <<= 8;
43*78acc472SPeter Tyser 		addr |= (val & 0xFF);
44*78acc472SPeter Tyser 		if (s) {
45*78acc472SPeter Tyser 			s = (*e) ? e+1 : e;
46*78acc472SPeter Tyser 		}
47*78acc472SPeter Tyser 	}
48*78acc472SPeter Tyser 
49*78acc472SPeter Tyser 	return (htonl(addr));
50*78acc472SPeter Tyser }
51