| /* SPDX-License-Identifier: GPL-2.0 */ |
| |
| #include <stdio.h> |
| #include <linux/netlink.h> |
| #include <linux/wwan.h> |
| |
| #include "utils.h" |
| #include "ip_common.h" |
| |
| static void print_explain(FILE *f) |
| { |
| fprintf(f, |
| "Usage: ... wwan linkid LINKID\n" |
| "\n" |
| "Where: LINKID := 0-4294967295\n" |
| ); |
| } |
| |
| static void explain(void) |
| { |
| print_explain(stderr); |
| } |
| |
| static int wwan_parse_opt(struct link_util *lu, int argc, char **argv, |
| struct nlmsghdr *n) |
| { |
| while (argc > 0) { |
| if (matches(*argv, "linkid") == 0) { |
| __u32 linkid; |
| |
| NEXT_ARG(); |
| if (get_u32(&linkid, *argv, 0)) |
| invarg("linkid", *argv); |
| addattr32(n, 1024, IFLA_WWAN_LINK_ID, linkid); |
| } else if (matches(*argv, "help") == 0) { |
| explain(); |
| return -1; |
| } else { |
| fprintf(stderr, "wwan: unknown command \"%s\"?\n", |
| *argv); |
| explain(); |
| return -1; |
| } |
| argc--, argv++; |
| } |
| |
| return 0; |
| } |
| |
| static void wwan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) |
| { |
| if (!tb) |
| return; |
| |
| if (tb[IFLA_WWAN_LINK_ID]) |
| print_uint(PRINT_ANY, "linkid", "linkid %u ", |
| rta_getattr_u32(tb[IFLA_WWAN_LINK_ID])); |
| } |
| |
| static void wwan_print_help(struct link_util *lu, int argc, char **argv, |
| FILE *f) |
| { |
| print_explain(f); |
| } |
| |
| struct link_util wwan_link_util = { |
| .id = "wwan", |
| .maxattr = IFLA_WWAN_MAX, |
| .parse_opt = wwan_parse_opt, |
| .print_opt = wwan_print_opt, |
| .print_help = wwan_print_help, |
| }; |