091214b636
Add a helper function for configuring Router Advertisement on a specific network link. Add the prefixes that are going to be advertised.
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/***
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This file is part of systemd.
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Copyright (C) 2017 Intel Corporation. All rights reserved.
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <netinet/icmp6.h>
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#include <arpa/inet.h>
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#include "networkd-address.h"
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#include "networkd-radv.h"
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#include "sd-radv.h"
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int radv_configure(Link *link) {
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int r;
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Prefix *p;
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assert(link);
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assert(link->network);
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r = sd_radv_new(&link->radv);
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if (r < 0)
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return r;
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r = sd_radv_attach_event(link->radv, NULL, 0);
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if (r < 0)
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return r;
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r = sd_radv_set_mac(link->radv, &link->mac);
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if (r < 0)
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return r;
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r = sd_radv_set_ifindex(link->radv, link->ifindex);
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if (r < 0)
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return r;
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r = sd_radv_set_managed_information(link->radv, link->network->router_managed);
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if (r < 0)
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return r;
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r = sd_radv_set_other_information(link->radv, link->network->router_other_information);
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if (r < 0)
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return r;
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r = sd_radv_set_router_lifetime(link->radv,
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link->network->router_lifetime_usec);
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if (r < 0)
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return r;
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if (link->network->router_lifetime_usec > 0) {
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r = sd_radv_set_preference(link->radv,
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link->network->router_preference);
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if (r < 0)
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return r;
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}
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LIST_FOREACH(prefixes, p, link->network->static_prefixes) {
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r = sd_radv_add_prefix(link->radv, p->radv_prefix);
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if (r != -EEXIST && r < 0)
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return r;
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}
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return 0;
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}
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