src/libsystemd-network/icmp6-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 /***
   5   Copyright © 2014-2015 Intel Corporation. All rights reserved.
   6 ***/
   7
   8 #include <net/ethernet.h>
   9 #include <netinet/in.h>
  10 #include <stdbool.h>
  11 #include <sys/uio.h>
  12
  13 #include "time-util.h"
  14
  15 #define IN6ADDR_ALL_ROUTERS_MULTICAST_INIT \
  16         { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
  17               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 } } }
  18
  19 #define IN6ADDR_ALL_NODES_MULTICAST_INIT \
  20         { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
  21               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } }
  22
  23 int icmp6_bind(int ifindex, bool is_router);
  24 int icmp6_send(int fd, const struct sockaddr_in6 *dst, const struct iovec *iov, size_t n_iov);
  25 int icmp6_receive(
  26                 int fd,
  27                 void *buffer,
  28                 size_t size,
  29                 struct in6_addr *ret_sender,
  30                 triple_timestamp *ret_timestamp);