mirror of
https://git.proxmox.com/git/mirror_iproute2
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94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*
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* iplink_bridge.c Bridge device support
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Authors: Jiri Pirko <jiri@resnulli.us>
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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 <linux/if_link.h>
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#include "utils.h"
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#include "ip_common.h"
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static void explain(void)
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{
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fprintf(stderr,
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"Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n"
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" [ hello_time HELLO_TIME ]\n"
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" [ max_age MAX_AGE ]\n"
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);
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}
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static int bridge_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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__u32 val;
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while (argc > 0) {
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if (matches(*argv, "forward_delay") == 0) {
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NEXT_ARG();
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if (get_u32(&val, *argv, 0)) {
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invarg("invalid forward_delay", *argv);
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return -1;
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}
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addattr32(n, 1024, IFLA_BR_FORWARD_DELAY, val);
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} else if (matches(*argv, "hello_time") == 0) {
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NEXT_ARG();
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if (get_u32(&val, *argv, 0)) {
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invarg("invalid hello_time", *argv);
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return -1;
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}
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addattr32(n, 1024, IFLA_BR_HELLO_TIME, val);
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} else if (matches(*argv, "max_age") == 0) {
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NEXT_ARG();
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if (get_u32(&val, *argv, 0)) {
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invarg("invalid max_age", *argv);
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return -1;
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}
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addattr32(n, 1024, IFLA_BR_MAX_AGE, val);
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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, "bridge: 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 bridge_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_BR_FORWARD_DELAY])
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fprintf(f, "forward_delay %u ",
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rta_getattr_u32(tb[IFLA_BR_FORWARD_DELAY]));
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if (tb[IFLA_BR_HELLO_TIME])
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fprintf(f, "hello_time %u ",
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rta_getattr_u32(tb[IFLA_BR_HELLO_TIME]));
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if (tb[IFLA_BR_MAX_AGE])
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fprintf(f, "max_age %u ",
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rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
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}
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struct link_util bridge_link_util = {
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.id = "bridge",
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.maxattr = IFLA_BR_MAX,
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.parse_opt = bridge_parse_opt,
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.print_opt = bridge_print_opt,
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};
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