1
2
3#include <stdio.h>
4#include <linux/netlink.h>
5#include <linux/wwan.h>
6
7#include "utils.h"
8#include "ip_common.h"
9
10static void print_explain(FILE *f)
11{
12 fprintf(f,
13 "Usage: ... wwan linkid LINKID\n"
14 "\n"
15 "Where: LINKID := 0-4294967295\n"
16 );
17}
18
19static void explain(void)
20{
21 print_explain(stderr);
22}
23
24static int wwan_parse_opt(struct link_util *lu, int argc, char **argv,
25 struct nlmsghdr *n)
26{
27 while (argc > 0) {
28 if (matches(*argv, "linkid") == 0) {
29 __u32 linkid;
30
31 NEXT_ARG();
32 if (get_u32(&linkid, *argv, 0))
33 invarg("linkid", *argv);
34 addattr32(n, 1024, IFLA_WWAN_LINK_ID, linkid);
35 } else if (matches(*argv, "help") == 0) {
36 explain();
37 return -1;
38 } else {
39 fprintf(stderr, "wwan: unknown command \"%s\"?\n",
40 *argv);
41 explain();
42 return -1;
43 }
44 argc--, argv++;
45 }
46
47 return 0;
48}
49
50static void wwan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
51{
52 if (!tb)
53 return;
54
55 if (tb[IFLA_WWAN_LINK_ID])
56 print_uint(PRINT_ANY, "linkid", "linkid %u ",
57 rta_getattr_u32(tb[IFLA_WWAN_LINK_ID]));
58}
59
60static void wwan_print_help(struct link_util *lu, int argc, char **argv,
61 FILE *f)
62{
63 print_explain(f);
64}
65
66struct link_util wwan_link_util = {
67 .id = "wwan",
68 .maxattr = IFLA_WWAN_MAX,
69 .parse_opt = wwan_parse_opt,
70 .print_opt = wwan_print_opt,
71 .print_help = wwan_print_help,
72};
73
