Files
systemd/src/network/networkd-radv.h
Yu Watanabe e14679ff76 network/address-generation: regenerate IPv6 prefix stable address on conflict
If a generated address with IPv6Token=prefixstable conflicts with the
one on another node or interface, let's generate another address and try
to assign it.

This improves support of RFC 7217.

Fixes #31605.
2024-04-10 04:36:03 +09:00

103 lines
3.2 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
/***
Copyright © 2017 Intel Corporation. All rights reserved.
***/
#include <inttypes.h>
#include <stdbool.h>
#include "sd-radv.h"
#include "in-addr-util.h"
#include "conf-parser.h"
#include "networkd-util.h"
typedef struct Link Link;
typedef struct Network Network;
typedef enum RADVPrefixDelegation {
RADV_PREFIX_DELEGATION_NONE = 0,
RADV_PREFIX_DELEGATION_STATIC = 1 << 0,
RADV_PREFIX_DELEGATION_DHCP6 = 1 << 1,
RADV_PREFIX_DELEGATION_BOTH = RADV_PREFIX_DELEGATION_STATIC | RADV_PREFIX_DELEGATION_DHCP6,
_RADV_PREFIX_DELEGATION_MAX,
_RADV_PREFIX_DELEGATION_INVALID = -EINVAL,
} RADVPrefixDelegation;
typedef struct Prefix {
Network *network;
ConfigSection *section;
struct in6_addr prefix;
uint8_t prefixlen;
usec_t preferred_lifetime;
usec_t valid_lifetime;
bool onlink;
bool address_auto_configuration;
bool assign;
uint32_t route_metric;
Set *tokens;
} Prefix;
typedef struct RoutePrefix {
Network *network;
ConfigSection *section;
struct in6_addr prefix;
uint8_t prefixlen;
usec_t lifetime;
} RoutePrefix;
typedef struct pref64Prefix {
Network *network;
ConfigSection *section;
struct in6_addr prefix;
uint8_t prefixlen;
usec_t lifetime;
} pref64Prefix;
Prefix *prefix_free(Prefix *prefix);
RoutePrefix *route_prefix_free(RoutePrefix *prefix);
pref64Prefix *pref64_prefix_free(pref64Prefix *prefix);
void network_drop_invalid_prefixes(Network *network);
void network_drop_invalid_route_prefixes(Network *network);
void network_drop_invalid_pref64_prefixes(Network *network);
void network_adjust_radv(Network *network);
int link_request_radv_addresses(Link *link);
int link_reconfigure_radv_address(Address *address, Link *link);
bool link_radv_enabled(Link *link);
int radv_start(Link *link);
int radv_update_mac(Link *link);
int radv_add_prefix(Link *link, const struct in6_addr *prefix, uint8_t prefix_len,
usec_t lifetime_preferred_usec, usec_t lifetime_valid_usec);
int link_request_radv(Link *link);
const char* radv_prefix_delegation_to_string(RADVPrefixDelegation i) _const_;
RADVPrefixDelegation radv_prefix_delegation_from_string(const char *s) _pure_;
CONFIG_PARSER_PROTOTYPE(config_parse_router_prefix_delegation);
CONFIG_PARSER_PROTOTYPE(config_parse_router_lifetime);
CONFIG_PARSER_PROTOTYPE(config_parse_router_retransmit);
CONFIG_PARSER_PROTOTYPE(config_parse_router_preference);
CONFIG_PARSER_PROTOTYPE(config_parse_prefix);
CONFIG_PARSER_PROTOTYPE(config_parse_prefix_boolean);
CONFIG_PARSER_PROTOTYPE(config_parse_prefix_lifetime);
CONFIG_PARSER_PROTOTYPE(config_parse_prefix_metric);
CONFIG_PARSER_PROTOTYPE(config_parse_prefix_token);
CONFIG_PARSER_PROTOTYPE(config_parse_radv_dns);
CONFIG_PARSER_PROTOTYPE(config_parse_radv_search_domains);
CONFIG_PARSER_PROTOTYPE(config_parse_route_prefix);
CONFIG_PARSER_PROTOTYPE(config_parse_route_prefix_lifetime);
CONFIG_PARSER_PROTOTYPE(config_parse_pref64_prefix);
CONFIG_PARSER_PROTOTYPE(config_parse_pref64_prefix_lifetime);
CONFIG_PARSER_PROTOTYPE(config_parse_router_home_agent_lifetime);