src/network/networkd-ndisc.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "conf-parser.h"
   5 #include "time-util.h"
   6
   7 typedef struct Link Link;
   8 typedef struct Network Network;
   9
  10 typedef enum IPv6AcceptRAStartDHCP6Client {
  11         IPV6_ACCEPT_RA_START_DHCP6_CLIENT_NO,
  12         IPV6_ACCEPT_RA_START_DHCP6_CLIENT_ALWAYS,
  13         IPV6_ACCEPT_RA_START_DHCP6_CLIENT_YES,
  14         _IPV6_ACCEPT_RA_START_DHCP6_CLIENT_MAX,
  15         _IPV6_ACCEPT_RA_START_DHCP6_CLIENT_INVALID = -EINVAL,
  16 } IPv6AcceptRAStartDHCP6Client;
  17
  18 typedef struct NDiscRDNSS {
  19         struct in6_addr router;
  20         /* This is an absolute point in time, and NOT a timespan/duration.
  21          * Must be specified with CLOCK_BOOTTIME. */
  22         usec_t lifetime_usec;
  23         struct in6_addr address;
  24 } NDiscRDNSS;
  25
  26 typedef struct NDiscDNSSL {
  27         struct in6_addr router;
  28         /* This is an absolute point in time, and NOT a timespan/duration.
  29          * Must be specified with CLOCK_BOOTTIME. */
  30         usec_t lifetime_usec;
  31         /* The domain name follows immediately. */
  32 } NDiscDNSSL;
  33
  34 typedef struct NDiscCaptivePortal {
  35         struct in6_addr router;
  36         /* This is an absolute point in time, and NOT a timespan/duration.
  37          * Must be specified with CLOCK_BOOTTIME. */
  38         usec_t lifetime_usec;
  39         char *captive_portal;
  40 } NDiscCaptivePortal;
  41
  42 typedef struct NDiscPREF64 {
  43         struct in6_addr router;
  44         /* This is an absolute point in time, and NOT a timespan/duration.
  45          * Must be specified with CLOCK_BOOTTIME. */
  46         usec_t lifetime_usec;
  47         uint8_t prefix_len;
  48         struct in6_addr prefix;
  49 } NDiscPREF64;
  50
  51 static inline char* NDISC_DNSSL_DOMAIN(const NDiscDNSSL *n) {
  52         return ((char*) n) + ALIGN(sizeof(NDiscDNSSL));
  53 }
  54
  55 bool link_ipv6_accept_ra_enabled(Link *link);
  56
  57 void network_adjust_ipv6_accept_ra(Network *network);
  58
  59 int ndisc_start(Link *link);
  60 int ndisc_stop(Link *link);
  61 void ndisc_flush(Link *link);
  62
  63 int link_request_ndisc(Link *link);
  64
  65 CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_accept_ra_start_dhcp6_client);
  66 CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_accept_ra_use_domains);