203d4df573
Implements https://tools.ietf.org/html/rfc4191 cat veth99.network ``` [Match] Name=veth99 [Network] DHCP=no IPv6PrefixDelegation=yes Address=2001:db8:0:1::1/64 [IPv6Prefix] Prefix=2001:db8:0:1::4/64 [IPv6RoutePrefix] Route=2001:db0:fff::/48 ``` Wireshark ``` Frame 481: 142 bytes on wire (1136 bits), 142 bytes captured (1136 bits) on interface 0 Ethernet II, Src: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4), Dst: IPv6mcast_01 (33:33:00:00:00:01) Internet Protocol Version 6, Src: fe80::1c04:f8ff:feb8:2fd4, Dst: ff02::1 Internet Control Message Protocol v6 Type: Router Advertisement (134) Code: 0 Checksum: 0xec77 [correct] [Checksum Status: Good] Cur hop limit: 0 Flags: 0x00, Prf (Default Router Preference): Medium Router lifetime (s): 0 Reachable time (ms): 0 Retrans timer (ms): 0 ICMPv6 Option (Source link-layer address : 1e:04:f8:b8:2f:d4) Type: Source link-layer address (1) Length: 1 (8 bytes) Link-layer address: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4) ICMPv6 Option (MTU : 1500) Type: MTU (5) Length: 1 (8 bytes) Reserved MTU: 1500 ICMPv6 Option (Prefix information : 2001:db8:0:1::4/64) Type: Prefix information (3) Length: 4 (32 bytes) Prefix Length: 64 Flag: 0xc0, On-link flag(L), Autonomous address-configuration flag(A) Valid Lifetime: 2592000 Preferred Lifetime: 604800 Reserved Prefix: 2001:db8:0:1::4 ICMPv6 Option (Route Information : Medium 2001:db0:fff::/48) Type: Route Information (24) Length: 3 (24 bytes) Prefix Length: 48 Flag: 0x00, Route Preference: Medium ...0 0... = Route Preference: Medium (0) 000. .000 = Reserved: 0 Route Lifetime: 604800 Prefix: 2001:db0:fff:: ```
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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Copyright © 2017 Intel Corporation. All rights reserved.
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***/
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#include "conf-parser.h"
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#include "networkd-address.h"
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#include "networkd-link.h"
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#include "networkd-util.h"
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typedef struct Prefix Prefix;
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typedef enum RADVPrefixDelegation {
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RADV_PREFIX_DELEGATION_NONE,
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RADV_PREFIX_DELEGATION_STATIC,
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RADV_PREFIX_DELEGATION_DHCP6,
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RADV_PREFIX_DELEGATION_BOTH,
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_RADV_PREFIX_DELEGATION_MAX,
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_RADV_PREFIX_DELEGATION_INVALID = -1,
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} RADVPrefixDelegation;
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struct Prefix {
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Network *network;
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NetworkConfigSection *section;
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sd_radv_prefix *radv_prefix;
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sd_radv_route_prefix *radv_route_prefix;
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LIST_FIELDS(Prefix, prefixes);
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LIST_FIELDS(Prefix, route_prefixes);
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};
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int prefix_new(Prefix **ret);
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void prefix_free(Prefix *prefix);
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DEFINE_NETWORK_SECTION_FUNCTIONS(Prefix, prefix_free);
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int route_prefix_new(Prefix **ret);
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void route_prefix_free(Prefix *prefix);
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DEFINE_NETWORK_SECTION_FUNCTIONS(Prefix, route_prefix_free);
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int radv_emit_dns(Link *link);
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int radv_configure(Link *link);
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const char* radv_prefix_delegation_to_string(RADVPrefixDelegation i) _const_;
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RADVPrefixDelegation radv_prefix_delegation_from_string(const char *s) _pure_;
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CONFIG_PARSER_PROTOTYPE(config_parse_router_prefix_delegation);
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CONFIG_PARSER_PROTOTYPE(config_parse_router_preference);
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CONFIG_PARSER_PROTOTYPE(config_parse_prefix);
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CONFIG_PARSER_PROTOTYPE(config_parse_prefix_flags);
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CONFIG_PARSER_PROTOTYPE(config_parse_prefix_lifetime);
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CONFIG_PARSER_PROTOTYPE(config_parse_radv_dns);
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CONFIG_PARSER_PROTOTYPE(config_parse_radv_search_domains);
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CONFIG_PARSER_PROTOTYPE(config_parse_route_prefix);
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CONFIG_PARSER_PROTOTYPE(config_parse_route_prefix_lifetime);
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