src/libsystemd-network/ndisc-internal.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   Copyright © 2014 Intel Corporation. All rights reserved.
   6 ***/
   7
   8 #include "log.h"
   9 #include "time-util.h"
  10
  11 #include "sd-ndisc.h"
  12
  13 #define NDISC_ROUTER_SOLICITATION_INTERVAL (4U * USEC_PER_SEC)
  14 #define NDISC_MAX_ROUTER_SOLICITATION_INTERVAL (3600U * USEC_PER_SEC)
  15 #define NDISC_MAX_ROUTER_SOLICITATIONS 3U
  16
  17 struct sd_ndisc {
  18         unsigned n_ref;
  19
  20         int ifindex;
  21         int fd;
  22
  23         sd_event *event;
  24         int event_priority;
  25
  26         struct ether_addr mac_addr;
  27         uint8_t hop_limit;
  28         uint32_t mtu;
  29
  30         sd_event_source *recv_event_source;
  31         sd_event_source *timeout_event_source;
  32         sd_event_source *timeout_no_ra;
  33
  34         usec_t retransmit_time;
  35
  36         sd_ndisc_callback_t callback;
  37         void *userdata;
  38 };
  39
  40 #define log_ndisc_errno(error, fmt, ...) log_internal(LOG_DEBUG, error, PROJECT_FILE, __LINE__, __func__, "NDISC: " fmt, ##__VA_ARGS__)
  41 #define log_ndisc(fmt, ...) log_ndisc_errno(0, fmt, ##__VA_ARGS__)
  42
  43 const char* ndisc_event_to_string(sd_ndisc_event e) _const_;
  44 sd_ndisc_event ndisc_event_from_string(const char *s) _pure_;