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https://git.kernel.org/pub/scm/network/iproute2/iproute2.git
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46c16a5d1e
This patch adds basic support for Qualcomm rmnet devices. Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
82 lines
1.5 KiB
C
82 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* iplink_rmnet.c RMNET device support
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*
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* Authors: Daniele Palmas <dnlplm@gmail.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "utils.h"
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#include "ip_common.h"
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static void print_explain(FILE *f)
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{
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fprintf(f,
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"Usage: ... rmnet mux_id MUXID\n"
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"\n"
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"MUXID := 1-254\n"
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);
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}
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static void explain(void)
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{
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print_explain(stderr);
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}
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static int rmnet_parse_opt(struct link_util *lu, int argc, char **argv,
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struct nlmsghdr *n)
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{
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__u16 mux_id;
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while (argc > 0) {
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if (matches(*argv, "mux_id") == 0) {
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NEXT_ARG();
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if (get_u16(&mux_id, *argv, 0))
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invarg("mux_id is invalid", *argv);
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addattr16(n, 1024, IFLA_RMNET_MUX_ID, mux_id);
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} else if (matches(*argv, "help") == 0) {
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explain();
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return -1;
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} else {
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fprintf(stderr, "rmnet: unknown command \"%s\"?\n", *argv);
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explain();
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return -1;
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}
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argc--, argv++;
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}
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return 0;
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}
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static void rmnet_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
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{
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if (!tb)
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return;
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if (!tb[IFLA_RMNET_MUX_ID] ||
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RTA_PAYLOAD(tb[IFLA_RMNET_MUX_ID]) < sizeof(__u16))
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return;
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print_uint(PRINT_ANY,
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"mux_id",
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"mux_id %u ",
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rta_getattr_u16(tb[IFLA_RMNET_MUX_ID]));
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}
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static void rmnet_print_help(struct link_util *lu, int argc, char **argv,
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FILE *f)
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{
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print_explain(f);
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}
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struct link_util rmnet_link_util = {
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.id = "rmnet",
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.maxattr = IFLA_RMNET_MAX,
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.parse_opt = rmnet_parse_opt,
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.print_opt = rmnet_print_opt,
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.print_help = rmnet_print_help,
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};
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