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 IN6_ADDR_ALL_ROUTERS_MULTICAST                                  \
  16         ((const struct in6_addr) { { {                                  \
  17                 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         \
  18                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,         \
  19          } } } )
  20
  21 #define IN6_ADDR_ALL_NODES_MULTICAST                                    \
  22         ((const struct in6_addr) { { {                                  \
  23                 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         \
  24                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,         \
  25          } } } )
  26
  27 int icmp6_bind(int ifindex, bool is_router);
  28 int icmp6_send(int fd, const struct in6_addr *dst, const struct iovec *iov, size_t n_iov);
  29 int icmp6_receive(
  30                 int fd,
  31                 void *buffer,
  32                 size_t size,
  33                 struct in6_addr *ret_sender,
  34                 triple_timestamp *ret_timestamp);