Commit 15faa0a3 authored by David Ahern's avatar David Ahern Committed by Stephen Hemminger

add support for VRF device

Allow user to create a vrf device and specify its table binding.
Based on the iplink_vlan implementation.
Signed-off-by: default avatarShrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: default avatarDavid Ahern <dsa@cumulusnetworks.com>
parent 75d67d35
...@@ -7,7 +7,7 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \ ...@@ -7,7 +7,7 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \
iplink_vxlan.o tcp_metrics.o iplink_ipoib.o ipnetconf.o link_ip6tnl.o \ iplink_vxlan.o tcp_metrics.o iplink_ipoib.o ipnetconf.o link_ip6tnl.o \
link_iptnl.o link_gre6.o iplink_bond.o iplink_bond_slave.o iplink_hsr.o \ link_iptnl.o link_gre6.o iplink_bond.o iplink_bond_slave.o iplink_hsr.o \
iplink_bridge.o iplink_bridge_slave.o ipfou.o iplink_ipvlan.o \ iplink_bridge.o iplink_bridge_slave.o ipfou.o iplink_ipvlan.o \
iplink_geneve.o iplink_geneve.o iplink_vrf.o
RTMONOBJ=rtmon.o RTMONOBJ=rtmon.o
......
...@@ -94,7 +94,7 @@ void iplink_usage(void) ...@@ -94,7 +94,7 @@ void iplink_usage(void)
fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n"); fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |\n"); fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |\n");
fprintf(stderr, " gre | gretap | ip6gre | ip6gretap | vti | nlmon |\n"); fprintf(stderr, " gre | gretap | ip6gre | ip6gretap | vti | nlmon |\n");
fprintf(stderr, " bond_slave | ipvlan | geneve | bridge_slave }\n"); fprintf(stderr, " bond_slave | ipvlan | geneve | bridge_slave | vrf }\n");
} }
exit(-1); exit(-1);
} }
......
/* 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 table_arg(void)
{
fprintf(stderr,"Error: argument of \"table\" must be 0-32767 and currently unused\n");
return -1;
}
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();
table = atoi(*argv);
if (table > 32767)
return table_arg();
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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