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/***
This file is part of systemd.
Copyright (C) 2017 Intel Corporation. All rights reserved.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/icmp6.h>
#include <arpa/inet.h>
#include "networkd-address.h"
#include "networkd-radv.h"
#include "sd-radv.h"
int radv_configure(Link *link) {
int r;
Prefix *p;
assert(link);
assert(link->network);
r = sd_radv_new(&link->radv);
if (r < 0)
return r;
r = sd_radv_attach_event(link->radv, NULL, 0);
if (r < 0)
return r;
r = sd_radv_set_mac(link->radv, &link->mac);
if (r < 0)
return r;
r = sd_radv_set_ifindex(link->radv, link->ifindex);
if (r < 0)
return r;
r = sd_radv_set_managed_information(link->radv, link->network->router_managed);
if (r < 0)
return r;
r = sd_radv_set_other_information(link->radv, link->network->router_other_information);
if (r < 0)
return r;
/* a value of 0xffffffff represents infinity, 0x0 means this host is
not a router */
r = sd_radv_set_router_lifetime(link->radv,
DIV_ROUND_UP(link->network->router_lifetime_usec, USEC_PER_SEC));
if (r < 0)
return r;
if (link->network->router_lifetime_usec > 0) {
r = sd_radv_set_preference(link->radv,
link->network->router_preference);
if (r < 0)
return r;
}
LIST_FOREACH(prefixes, p, link->network->static_prefixes) {
r = sd_radv_add_prefix(link->radv, p->radv_prefix);
if (r != -EEXIST && r < 0)
return r;
}
if (link->network->router_dns) {
r = sd_radv_set_rdnss(link->radv,
DIV_ROUND_UP(link->network->router_dns_lifetime_usec,
USEC_PER_SEC),
link->network->router_dns,
link->network->n_router_dns);
if (r < 0)
return r;
}
if (link->network->router_search_domains) {
r = sd_radv_set_dnssl(link->radv,
DIV_ROUND_UP(link->network->router_dns_lifetime_usec,
USEC_PER_SEC),
link->network->router_search_domains);
if (r < 0)
return r;
}
return 0;
}
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