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sd-ipv4ll: filter out unwanted ARP packets in the kernel
[thirdparty/systemd.git] / src / libsystemd-network / arp-util.h
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 #pragma once
4
5 /***
6 This file is part of systemd.
7
8 Copyright (C) 2014 Axis Communications AB. All rights reserved.
9
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
14
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
19
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 ***/
23
24 #include <netinet/if_ether.h>
25
26 #include "sparse-endian.h"
27 #include "socket-util.h"
28
29 int arp_network_bind_raw_socket(int index, be32_t address, const struct ether_addr *eth_mac);
30
31 int arp_send_probe(int fd, int ifindex,
32 be32_t pa, const struct ether_addr *ha);
33 int arp_send_announcement(int fd, int ifindex,
34 be32_t pa, const struct ether_addr *ha);