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/* iplink_vrf.c VRF device support
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Shrijeet Mukherjee <shm@cumulusnetworks.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <linux/if_link.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
static void vrf_explain(FILE *f)
{
fprintf(f, "Usage: ... vrf table TABLEID \n");
}
static void explain(void)
{
vrf_explain(stderr);
}
static int vrf_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
while (argc > 0) {
if (matches(*argv, "table") == 0) {
__u32 table;
NEXT_ARG();
if (rtnl_rttable_a2n(&table, *argv))
invarg("invalid table ID\n", *argv);
addattr32(n, 1024, IFLA_VRF_TABLE, table);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "vrf: unknown option \"%s\"?\n",
*argv);
explain();
return -1;
}
argc--, argv++;
}
return 0;
}
static void vrf_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
if (!tb)
return;
if (tb[IFLA_VRF_TABLE])
fprintf(f, "table %u ", rta_getattr_u32(tb[IFLA_VRF_TABLE]));
}
static void vrf_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
vrf_explain(f);
}
struct link_util vrf_link_util = {
.id = "vrf",
.maxattr = IFLA_VRF_MAX,
.parse_opt = vrf_parse_opt,
.print_opt = vrf_print_opt,
.print_help = vrf_print_help,
};
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