]>
git.proxmox.com Git - mirror_iproute2.git/blob - lib/ll_addr.c
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
17 #include <sys/ioctl.h>
18 #include <sys/socket.h>
19 #include <sys/ioctl.h>
20 #include <netinet/in.h>
21 #include <arpa/inet.h>
24 #include <linux/netdevice.h>
25 #include <linux/if_arp.h>
26 #include <linux/sockios.h>
32 const char *ll_addr_n2a(unsigned char *addr
, int alen
, int type
, char *buf
, int blen
)
38 (type
== ARPHRD_TUNNEL
|| type
== ARPHRD_SIT
|| type
== ARPHRD_IPGRE
)) {
39 return inet_ntop(AF_INET
, addr
, buf
, blen
);
42 for (i
=0; i
<alen
; i
++) {
44 snprintf(buf
+l
, blen
, "%02x", addr
[i
]);
48 snprintf(buf
+l
, blen
, ":%02x", addr
[i
]);
56 /*NB: lladdr is char * (rather than u8 *) because sa_data is char * (1003.1g) */
57 int ll_addr_a2n(char *lladdr
, int len
, char *arg
)
59 if (strchr(arg
, '.')) {
61 if (get_addr_1(&pfx
, arg
, AF_INET
)) {
62 fprintf(stderr
, "\"%s\" is invalid lladdr.\n", arg
);
67 memcpy(lladdr
, pfx
.data
, 4);
72 for (i
=0; i
<len
; i
++) {
74 char *cp
= strchr(arg
, ':');
79 if (sscanf(arg
, "%x", &temp
) != 1) {
80 fprintf(stderr
, "\"%s\" is invalid lladdr.\n", arg
);
83 if (temp
< 0 || temp
> 255) {
84 fprintf(stderr
, "\"%s\" is invalid lladdr.\n", arg
);