Commit 908755dc authored by John W. Linville's avatar John W. Linville Committed by Stephen Hemminger

iproute2: GENEVE support

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f9b00402
......@@ -6,7 +6,8 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \
iplink_macvlan.o iplink_macvtap.o ipl2tp.o link_vti.o link_vti6.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 \
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
RTMONOBJ=rtmon.o
......
......@@ -93,7 +93,7 @@ void iplink_usage(void)
fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |\n");
fprintf(stderr, " gre | gretap | ip6gre | ip6gretap | vti | nlmon |\n");
fprintf(stderr, " bond_slave | ipvlan }\n");
fprintf(stderr, " bond_slave | ipvlan | geneve }\n");
}
exit(-1);
}
......
/*
* iplink_geneve.c GENEVE 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: John W. Linville <linville@tuxdriver.com>
*/
#include <stdio.h>
#include "utils.h"
#include "ip_common.h"
static void print_explain(FILE *f)
{
fprintf(f, "Usage: ... geneve id VNI remote ADDR\n");
fprintf(f, "\n");
fprintf(f, "Where: VNI := 0-16777215\n");
fprintf(f, " ADDR := IP_ADDRESS\n");
}
static void explain(void)
{
print_explain(stderr);
}
static int geneve_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u32 vni = 0;
int vni_set = 0;
__u32 daddr = 0;
struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
while (argc > 0) {
if (!matches(*argv, "id") ||
!matches(*argv, "vni")) {
NEXT_ARG();
if (get_u32(&vni, *argv, 0) ||
vni >= 1u << 24)
invarg("invalid id", *argv);
vni_set = 1;
} else if (!matches(*argv, "remote")) {
NEXT_ARG();
if (!inet_get_addr(*argv, &daddr, &daddr6)) {
fprintf(stderr, "Invalid address \"%s\"\n", *argv);
return -1;
}
if (IN_MULTICAST(ntohl(daddr)))
invarg("invalid remote address", *argv);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "geneve: unknown command \"%s\"?\n", *argv);
explain();
return -1;
}
argc--, argv++;
}
if (!vni_set) {
fprintf(stderr, "geneve: missing virtual network identifier\n");
return -1;
}
if (!daddr) {
fprintf(stderr, "geneve: remove link partner not specified\n");
return -1;
}
if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0) {
fprintf(stderr, "geneve: remove link over IPv6 not supported\n");
return -1;
}
addattr32(n, 1024, IFLA_GENEVE_ID, vni);
if (daddr)
addattr_l(n, 1024, IFLA_GENEVE_REMOTE, &daddr, 4);
return 0;
}
static void geneve_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 vni;
char s1[1024];
if (!tb)
return;
if (!tb[IFLA_GENEVE_ID] ||
RTA_PAYLOAD(tb[IFLA_GENEVE_ID]) < sizeof(__u32))
return;
vni = rta_getattr_u32(tb[IFLA_GENEVE_ID]);
fprintf(f, "id %u ", vni);
if (tb[IFLA_GENEVE_REMOTE]) {
__be32 addr = rta_getattr_u32(tb[IFLA_GENEVE_REMOTE]);
if (addr)
fprintf(f, "remote %s ",
format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
}
}
static void geneve_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
print_explain(f);
}
struct link_util geneve_link_util = {
.id = "geneve",
.maxattr = IFLA_GENEVE_MAX,
.parse_opt = geneve_parse_opt,
.print_opt = geneve_print_opt,
.print_help = geneve_print_help,
};
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