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sd-dhcp-server: support static address to DHCPv4 offer
[thirdparty/systemd.git] / src / network / networkd-network.h
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
fc2f9534
LP
2#pragma once
3
78404d22
YW
4#include <linux/nl80211.h>
5
634f0f98 6#include "sd-bus.h"
51517f9e 7#include "sd-device.h"
634f0f98 8
737f1405 9#include "bridge.h"
fc2f9534 10#include "condition.h"
a2106925 11#include "conf-parser.h"
634f0f98 12#include "hashmap.h"
5722fb89 13#include "net-condition.h"
737f1405 14#include "netdev.h"
13b498f9 15#include "networkd-brvlan.h"
ca5ad760
YW
16#include "networkd-dhcp-common.h"
17#include "networkd-dhcp4.h"
838d39af 18#include "networkd-dhcp6.h"
564ca984 19#include "networkd-dhcp-server.h"
7f853950 20#include "networkd-lldp-rx.h"
a2106925 21#include "networkd-lldp-tx.h"
5f506a55 22#include "networkd-ndisc.h"
6e849e95 23#include "networkd-radv.h"
5e0534f1 24#include "networkd-sysctl.h"
fc2f9534 25#include "networkd-util.h"
5e2a51d5 26#include "ordered-set.h"
a2106925 27#include "resolve-util.h"
e77bd3fd 28#include "socket-netlink.h"
fc2f9534 29
7da377ef 30typedef enum KeepConfiguration {
95355a28
YW
31 KEEP_CONFIGURATION_NO = 0,
32 KEEP_CONFIGURATION_DHCP_ON_START = 1 << 0,
33 KEEP_CONFIGURATION_DHCP_ON_STOP = 1 << 1,
34 KEEP_CONFIGURATION_DHCP = KEEP_CONFIGURATION_DHCP_ON_START | KEEP_CONFIGURATION_DHCP_ON_STOP,
35 KEEP_CONFIGURATION_STATIC = 1 << 2,
36 KEEP_CONFIGURATION_YES = KEEP_CONFIGURATION_DHCP | KEEP_CONFIGURATION_STATIC,
7da377ef 37 _KEEP_CONFIGURATION_MAX,
2d93c20e 38 _KEEP_CONFIGURATION_INVALID = -EINVAL,
7da377ef
SS
39} KeepConfiguration;
40
6f6296b9
YW
41typedef enum IPv6LinkLocalAddressGenMode {
42 IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64 = IN6_ADDR_GEN_MODE_EUI64,
43 IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE = IN6_ADDR_GEN_MODE_NONE,
44 IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY = IN6_ADDR_GEN_MODE_STABLE_PRIVACY,
45 IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM = IN6_ADDR_GEN_MODE_RANDOM,
46 _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX,
2d93c20e 47 _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID = -EINVAL,
6f6296b9
YW
48} IPv6LinkLocalAddressGenMode;
49
61135582
DS
50typedef enum ActivationPolicy {
51 ACTIVATION_POLICY_UP,
52 ACTIVATION_POLICY_ALWAYS_UP,
53 ACTIVATION_POLICY_MANUAL,
54 ACTIVATION_POLICY_ALWAYS_DOWN,
55 ACTIVATION_POLICY_DOWN,
56 ACTIVATION_POLICY_BOUND,
57 _ACTIVATION_POLICY_MAX,
2d93c20e 58 _ACTIVATION_POLICY_INVALID = -EINVAL,
61135582
DS
59} ActivationPolicy;
60
634f0f98
ZJS
61typedef struct Manager Manager;
62
2a71d57f
LP
63typedef struct NetworkDHCPServerEmitAddress {
64 bool emit;
65 struct in_addr *addresses;
66 size_t n_addresses;
67} NetworkDHCPServerEmitAddress;
68
fc2f9534
LP
69struct Network {
70 Manager *manager;
71
db5756f3
YW
72 unsigned n_ref;
73
fc2f9534 74 char *name;
db5756f3 75 char *filename;
7f06b3e1 76 usec_t timestamp;
db5756f3 77 char *description;
fc2f9534 78
db5756f3 79 /* [Match] section */
5722fb89 80 NetMatch match;
1beabe08 81 LIST_HEAD(Condition, conditions);
fc2f9534 82
db5756f3 83 /* Master or stacked netdevs */
c0267a59 84 NetDev *batadv;
fc2f9534
LP
85 NetDev *bridge;
86 NetDev *bond;
6cb955c6 87 NetDev *vrf;
98d20a17 88 NetDev *xfrm;
fc2f9534 89 Hashmap *stacked_netdevs;
c0267a59 90 char *batadv_name;
cebe1257
YW
91 char *bridge_name;
92 char *bond_name;
93 char *vrf_name;
94 Hashmap *stacked_netdev_names;
fc2f9534 95
db5756f3
YW
96 /* [Link] section */
97 struct ether_addr *mac;
98 uint32_t mtu;
99 uint32_t group;
f0c09831 100 bool group_set;
db5756f3
YW
101 int arp;
102 int multicast;
103 int allmulticast;
937e305e 104 int promiscuous;
db5756f3
YW
105 bool unmanaged;
106 bool required_for_online; /* Is this network required to be considered online? */
107 LinkOperationalStateRange required_operstate_for_online;
8430841b 108 AddressFamily required_family_for_online;
61135582 109 ActivationPolicy activation_policy;
db5756f3
YW
110
111 /* misc settings */
112 bool configure_without_carrier;
113 int ignore_carrier_loss;
114 KeepConfiguration keep_configuration;
115 char **bind_carrier;
116 bool default_route_on_device;
48ed2766 117 AddressFamily ip_masquerade;
db5756f3 118
fc2f9534 119 /* DHCP Client Support */
2d792895 120 AddressFamily dhcp;
499d555a 121 DHCPClientIdentifier dhcp_client_identifier;
4e26a5ba
YW
122 DUID dhcp_duid;
123 uint32_t dhcp_iaid;
124 bool dhcp_iaid_set;
fc2f9534 125 char *dhcp_vendor_class_identifier;
7b8d23a9 126 char *dhcp_mudurl;
af1c0de0 127 char **dhcp_user_class;
27cb34f5 128 char *dhcp_hostname;
715cedfb 129 uint64_t dhcp_max_attempts;
132be2b8 130 uint32_t dhcp_route_metric;
bdad94d0 131 bool dhcp_route_metric_set;
94e9bd57 132 uint32_t dhcp_route_table;
d6463307 133 uint32_t dhcp_fallback_lease_lifetime;
c695dcf9 134 uint32_t dhcp_route_mtu;
9c77d107 135 uint16_t dhcp_client_port;
cb29c156 136 int dhcp_critical;
db5756f3 137 int dhcp_ip_service_type;
7585baa0 138 bool dhcp_anonymize;
27cb34f5 139 bool dhcp_send_hostname;
e70eca9b 140 int dhcp_broadcast;
94e9bd57 141 bool dhcp_use_dns;
bdad94d0 142 bool dhcp_use_dns_set;
a24e12f0 143 bool dhcp_routes_to_dns;
94e9bd57 144 bool dhcp_use_ntp;
bdad94d0 145 bool dhcp_use_ntp_set;
d7b04506 146 bool dhcp_routes_to_ntp;
299d578f 147 bool dhcp_use_sip;
94e9bd57 148 bool dhcp_use_mtu;
27cb34f5 149 bool dhcp_use_routes;
589397a2 150 int dhcp_use_gateway;
27cb34f5 151 bool dhcp_use_timezone;
94e9bd57 152 bool dhcp_use_hostname;
fc1ba79d 153 bool dhcp_route_table_set;
1501b429 154 bool dhcp_send_release;
0f3ff4ea 155 bool dhcp_send_decline;
94e9bd57 156 DHCPUseDomains dhcp_use_domains;
f225a338 157 bool dhcp_use_domains_set;
6b000af4 158 Set *dhcp_deny_listed_ip;
98ebef62 159 Set *dhcp_allow_listed_ip;
5bc945be 160 Set *dhcp_request_options;
0e96961d 161 OrderedHashmap *dhcp_client_send_options;
7354900d 162 OrderedHashmap *dhcp_client_send_vendor_options;
fc2f9534 163
caa8ca42 164 /* DHCPv6 Client support*/
1536b7b2 165 bool dhcp6_use_address;
caa8ca42 166 bool dhcp6_use_dns;
bdad94d0 167 bool dhcp6_use_dns_set;
38ba3da0 168 bool dhcp6_use_hostname;
caa8ca42 169 bool dhcp6_use_ntp;
bdad94d0 170 bool dhcp6_use_ntp_set;
db5756f3 171 bool dhcp6_rapid_commit;
f225a338
YW
172 DHCPUseDomains dhcp6_use_domains;
173 bool dhcp6_use_domains_set;
4e26a5ba
YW
174 uint32_t dhcp6_iaid;
175 bool dhcp6_iaid_set;
176 bool dhcp6_iaid_set_explicitly;
177 DUID dhcp6_duid;
2805536b 178 uint8_t dhcp6_pd_length;
3175a8c2 179 char *dhcp6_mudurl;
f37f2a6b 180 char **dhcp6_user_class;
ed0d1b2e 181 char **dhcp6_vendor_class;
2805536b 182 struct in6_addr dhcp6_pd_address;
838d39af 183 DHCP6ClientStartMode dhcp6_without_ra;
e7d5fe17 184 OrderedHashmap *dhcp6_client_send_options;
b4ccc5de 185 OrderedHashmap *dhcp6_client_send_vendor_options;
35f6a5cb 186 Set *dhcp6_request_options;
db5756f3
YW
187 /* Start DHCPv6 PD also when 'O' RA flag is set, see RFC 7084, WPD-4 */
188 bool dhcp6_force_pd_other_information;
caa8ca42 189
fc2f9534
LP
190 /* DHCP Server Support */
191 bool dhcp_server;
21b6b87e 192 bool dhcp_server_bind_to_interface;
0017ba31
YW
193 unsigned char dhcp_server_address_prefixlen;
194 struct in_addr dhcp_server_address;
c95df587 195 struct in_addr dhcp_server_relay_target;
11c38d3e
YA
196 char *dhcp_server_relay_agent_circuit_id;
197 char *dhcp_server_relay_agent_remote_id;
2a71d57f 198 NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX];
77ff6022 199 bool dhcp_server_emit_router;
fc2f9534 200 bool dhcp_server_emit_timezone;
1a04db0f 201 char *dhcp_server_timezone;
fc2f9534 202 usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec;
9b3a67c5
TG
203 uint32_t dhcp_server_pool_offset;
204 uint32_t dhcp_server_pool_size;
db5756f3
YW
205 OrderedHashmap *dhcp_server_send_options;
206 OrderedHashmap *dhcp_server_send_vendor_options;
fc2f9534 207
6f6296b9 208 /* link local addressing support */
2d792895 209 AddressFamily link_local;
6f6296b9 210 IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode;
fc2f9534
LP
211 bool ipv4ll_route;
212
27ff0490 213 /* IPv6 RA support */
56a23cb4 214 RADVPrefixDelegation router_prefix_delegation;
7d5cac19
PF
215 usec_t router_lifetime_usec;
216 uint8_t router_preference;
217 bool router_managed;
218 bool router_other_information;
9e25315c
PF
219 bool router_emit_dns;
220 bool router_emit_domains;
88295a05
PF
221 usec_t router_dns_lifetime_usec;
222 struct in6_addr *router_dns;
223 unsigned n_router_dns;
5e2a51d5 224 OrderedSet *router_search_domains;
99e015e2
YW
225
226 /* DHCPv6 Prefix Delegation support */
e502f94d 227 int dhcp6_pd;
4afd9867 228 bool dhcp6_pd_announce;
99e015e2 229 bool dhcp6_pd_assign;
fec1b650 230 bool dhcp6_pd_manage_temporary_address;
db5756f3 231 int64_t dhcp6_pd_subnet_id;
9fe0b7b4 232 uint32_t dhcp6_pd_route_metric;
b8ce3b44 233 struct in6_addr dhcp6_pd_token;
7d5cac19 234
fc2f9534 235 /* Bridge Support */
7f9915f0
SS
236 int use_bpdu;
237 int hairpin;
238 int fast_leave;
239 int allow_port_to_be_root;
240 int unicast_flood;
7f15b714 241 int multicast_flood;
d3aa8b49 242 int multicast_to_unicast;
7f15b714
TJ
243 int neighbor_suppression;
244 int learning;
1087623b
SS
245 int bridge_proxy_arp;
246 int bridge_proxy_arp_wifi;
b56be296
DJL
247 uint32_t cost;
248 uint16_t priority;
0fadb2a4 249 MulticastRouter multicast_router;
fc2f9534 250
db5756f3 251 /* Bridge VLAN */
ffff9abe 252 bool use_br_vlan;
13b498f9
TJ
253 uint16_t pvid;
254 uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN];
255 uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN];
256
06828bb6 257 /* CAN support */
74a27268 258 uint32_t can_bitrate;
06828bb6 259 unsigned can_sample_point;
7e025e9c
RP
260 uint32_t can_data_bitrate;
261 unsigned can_data_sample_point;
06828bb6 262 usec_t can_restart_us;
c423be28 263 int can_triple_sampling;
77b67404 264 int can_berr_reporting;
52aa38f1 265 int can_termination;
74f0fb90 266 int can_listen_only;
7e025e9c
RP
267 int can_fd_mode;
268 int can_non_iso;
06828bb6 269
db5756f3 270 /* sysctl settings */
2d792895 271 AddressFamily ip_forward;
94d76d07 272 int ipv4_accept_local;
d75bf6cf 273 int ipv4_route_localnet;
8749cbcd 274 int ipv6_dad_transmits;
b69c3180 275 int ipv6_hop_limit;
23d8b221 276 int proxy_arp;
4e964aa0 277 uint32_t ipv6_mtu;
db5756f3
YW
278 IPv6PrivacyExtensions ipv6_privacy_extensions;
279 int ipv6_proxy_ndp;
280 Set *ipv6_proxy_ndp_addresses;
4f2e437a 281
db5756f3
YW
282 /* IPv6 accept RA */
283 int ipv6_accept_ra;
1e7a0e21 284 bool ipv6_accept_ra_use_dns;
062c2eea
SS
285 bool ipv6_accept_ra_use_autonomous_prefix;
286 bool ipv6_accept_ra_use_onlink_prefix;
eb64b435
SS
287 bool active_slave;
288 bool primary_slave;
1e7a0e21 289 DHCPUseDomains ipv6_accept_ra_use_domains;
ac24e418 290 IPv6AcceptRAStartDHCP6Client ipv6_accept_ra_start_dhcp6_client;
2ba31d29 291 uint32_t ipv6_accept_ra_route_table;
8ebafba9
YW
292 bool ipv6_accept_ra_route_table_set;
293 uint32_t ipv6_accept_ra_route_metric;
294 bool ipv6_accept_ra_route_metric_set;
75d26411
YW
295 Set *ndisc_deny_listed_router;
296 Set *ndisc_allow_listed_router;
6b000af4 297 Set *ndisc_deny_listed_prefix;
de6b6ff8 298 Set *ndisc_allow_listed_prefix;
16c89e64 299 Set *ndisc_deny_listed_route_prefix;
de6b6ff8 300 Set *ndisc_allow_listed_route_prefix;
2c621495 301 OrderedSet *ipv6_tokens;
1e7a0e21 302
e9a8c550 303 /* LLDP support */
8e1ad1ea 304 LLDPMode lldp_mode; /* LLDP reception */
7272b25e 305 LLDPEmit lldp_emit; /* LLDP transmission */
e9a8c550 306 char *lldp_mud; /* LLDP MUD URL */
fc2f9534 307
9cd9fc8f 308 OrderedHashmap *addresses_by_section;
fc2f9534 309 Hashmap *routes_by_section;
c16c7808 310 Hashmap *nexthops_by_section;
9671ae9d 311 Hashmap *bridge_fdb_entries_by_section;
3db468ea 312 Hashmap *mdb_entries_by_section;
e4a71bf3 313 Hashmap *neighbors_by_section;
95b74ef6 314 Hashmap *address_labels_by_section;
057abfd8 315 Hashmap *prefixes_by_section;
203d4df5 316 Hashmap *route_prefixes_by_section;
bce67bbe 317 Hashmap *rules_by_section;
34658df2 318 OrderedHashmap *tc_by_section;
518cd6b5 319 OrderedHashmap *sr_iov_by_section;
fc2f9534 320
7ece6f58 321 /* All kinds of DNS configuration */
e77bd3fd 322 struct in_addr_full **dns;
5512a963 323 unsigned n_dns;
5e2a51d5 324 OrderedSet *search_domains, *route_domains;
7ece6f58 325 int dns_default_route;
fc2f9534 326 ResolveSupport llmnr;
aaa297d4 327 ResolveSupport mdns;
ad6c0475 328 DnssecMode dnssec_mode;
c9299be2 329 DnsOverTlsMode dns_over_tls_mode;
8a516214 330 Set *dnssec_negative_trust_anchors;
fc2f9534 331
db5756f3 332 /* NTP */
7ece6f58 333 char **ntp;
fc2f9534
LP
334};
335
35ac3b76
YW
336Network *network_ref(Network *network);
337Network *network_unref(Network *network);
338DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref);
fc2f9534 339
7f06b3e1
YW
340int network_load(Manager *manager, OrderedHashmap **networks);
341int network_reload(Manager *manager);
342int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename);
96db6412 343int network_verify(Network *network);
fc2f9534
LP
344
345int network_get_by_name(Manager *manager, const char *name, Network **ret);
add8d07d 346void network_apply_anonymize_if_set(Network *network);
fc2f9534 347
adfeee49 348bool network_has_static_ipv6_configurations(Network *network);
439689c6 349
cebe1257 350CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev);
a2106925 351CONFIG_PARSER_PROTOTYPE(config_parse_tunnel);
ca5ad760
YW
352CONFIG_PARSER_PROTOTYPE(config_parse_domains);
353CONFIG_PARSER_PROTOTYPE(config_parse_dns);
a2106925
LP
354CONFIG_PARSER_PROTOTYPE(config_parse_hostname);
355CONFIG_PARSER_PROTOTYPE(config_parse_timezone);
a2106925 356CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors);
a2106925 357CONFIG_PARSER_PROTOTYPE(config_parse_ntp);
4ac77d63 358CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online);
8430841b 359CONFIG_PARSER_PROTOTYPE(config_parse_required_family_for_online);
7da377ef 360CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration);
6f6296b9 361CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_link_local_address_gen_mode);
61135582 362CONFIG_PARSER_PROTOTYPE(config_parse_activation_policy);
f0c09831 363CONFIG_PARSER_PROTOTYPE(config_parse_link_group);
fc2f9534 364
c9f7b4d3 365const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
fc2f9534 366
7da377ef
SS
367const char* keep_configuration_to_string(KeepConfiguration i) _const_;
368KeepConfiguration keep_configuration_from_string(const char *s) _pure_;
6f6296b9
YW
369
370const char* ipv6_link_local_address_gen_mode_to_string(IPv6LinkLocalAddressGenMode s) _const_;
371IPv6LinkLocalAddressGenMode ipv6_link_local_address_gen_mode_from_string(const char *s) _pure_;
61135582
DS
372
373const char* activation_policy_to_string(ActivationPolicy i) _const_;
374ActivationPolicy activation_policy_from_string(const char *s) _pure_;