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-rw-r--r--ip/iplink_wwan.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/ip/iplink_wwan.c b/ip/iplink_wwan.c
new file mode 100644
index 0000000..3510477
--- /dev/null
+++ b/ip/iplink_wwan.c
@@ -0,0 +1,72 @@
+/* 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,
+};