Systemd/src/network/networkd-ndisc.h
Susant Sahani 5f506a5560 network: Allow to specify multiple IPv6Token for SLAAC
Provide names to choose between different auto-generation types:
2.1 "eui64" for EUI-64 of RFC 4291
2.2 "prefixstable" for RFC 7217

```
[Match]
Name=veth99

[Network]
DHCP=no
IPv6AcceptRA=yes
IPv6Token=prefixstable:2001:888:0db8:1::
```
2020-02-05 17:44:42 +09:00

48 lines
1.3 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include "conf-parser.h"
#include "networkd-link.h"
#include "time-util.h"
typedef struct IPv6Token IPv6Token;
typedef enum IPv6TokenAddressGeneration {
IPV6_TOKEN_ADDRESS_GENERATION_NONE,
IPV6_TOKEN_ADDRESS_GENERATION_EUI64,
IPV6_TOKEN_ADDRESS_GENERATION_PREFIXSTABLE,
_IPV6_TOKEN_ADDRESS_GENERATION_MAX,
_IPV6_TOKEN_ADDRESS_GENERATION_INVALID = -1,
} IPv6TokenAddressGeneration;
typedef struct NDiscRDNSS {
usec_t valid_until;
struct in6_addr address;
} NDiscRDNSS;
typedef struct NDiscDNSSL {
usec_t valid_until;
/* The domain name follows immediately. */
} NDiscDNSSL;
struct IPv6Token {
IPv6TokenAddressGeneration address_generation_type;
uint8_t dad_counter;
struct in6_addr prefix;
};
int ipv6token_new(IPv6Token **ret);
DEFINE_TRIVIAL_CLEANUP_FUNC(IPv6Token *, freep);
static inline char* NDISC_DNSSL_DOMAIN(const NDiscDNSSL *n) {
return ((char*) n) + ALIGN(sizeof(NDiscDNSSL));
}
int ndisc_configure(Link *link);
void ndisc_vacuum(Link *link);
void ndisc_flush(Link *link);
CONFIG_PARSER_PROTOTYPE(config_parse_ndisc_black_listed_prefix);
CONFIG_PARSER_PROTOTYPE(config_parse_address_generation_type);