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network/ndisc: add basic support for Redirect message
[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"
c01b9b87 8#include "sd-lldp-tx.h"
634f0f98 9
737f1405 10#include "bridge.h"
fc2f9534 11#include "condition.h"
a2106925 12#include "conf-parser.h"
fc289dd0 13#include "firewall-util.h"
634f0f98 14#include "hashmap.h"
72e65e6f 15#include "ipoib.h"
5722fb89 16#include "net-condition.h"
737f1405 17#include "netdev.h"
5459e11d 18#include "networkd-address.h"
9670e45a 19#include "networkd-bridge-vlan.h"
ca5ad760
YW
20#include "networkd-dhcp-common.h"
21#include "networkd-dhcp4.h"
838d39af 22#include "networkd-dhcp6.h"
de2f372e 23#include "networkd-ipv6ll.h"
7f853950 24#include "networkd-lldp-rx.h"
5f506a55 25#include "networkd-ndisc.h"
6e849e95 26#include "networkd-radv.h"
5e0534f1 27#include "networkd-sysctl.h"
fc2f9534 28#include "networkd-util.h"
5e2a51d5 29#include "ordered-set.h"
a2106925 30#include "resolve-util.h"
e77bd3fd 31#include "socket-netlink.h"
fc2f9534 32
7da377ef 33typedef enum KeepConfiguration {
95355a28
YW
34 KEEP_CONFIGURATION_NO = 0,
35 KEEP_CONFIGURATION_DHCP_ON_START = 1 << 0,
36 KEEP_CONFIGURATION_DHCP_ON_STOP = 1 << 1,
37 KEEP_CONFIGURATION_DHCP = KEEP_CONFIGURATION_DHCP_ON_START | KEEP_CONFIGURATION_DHCP_ON_STOP,
38 KEEP_CONFIGURATION_STATIC = 1 << 2,
39 KEEP_CONFIGURATION_YES = KEEP_CONFIGURATION_DHCP | KEEP_CONFIGURATION_STATIC,
7da377ef 40 _KEEP_CONFIGURATION_MAX,
2d93c20e 41 _KEEP_CONFIGURATION_INVALID = -EINVAL,
7da377ef
SS
42} KeepConfiguration;
43
61135582
DS
44typedef enum ActivationPolicy {
45 ACTIVATION_POLICY_UP,
46 ACTIVATION_POLICY_ALWAYS_UP,
47 ACTIVATION_POLICY_MANUAL,
48 ACTIVATION_POLICY_ALWAYS_DOWN,
49 ACTIVATION_POLICY_DOWN,
50 ACTIVATION_POLICY_BOUND,
51 _ACTIVATION_POLICY_MAX,
2d93c20e 52 _ACTIVATION_POLICY_INVALID = -EINVAL,
61135582
DS
53} ActivationPolicy;
54
634f0f98
ZJS
55typedef struct Manager Manager;
56
2a71d57f
LP
57typedef struct NetworkDHCPServerEmitAddress {
58 bool emit;
59 struct in_addr *addresses;
60 size_t n_addresses;
61} NetworkDHCPServerEmitAddress;
62
fc2f9534
LP
63struct Network {
64 Manager *manager;
65
db5756f3
YW
66 unsigned n_ref;
67
fc2f9534 68 char *name;
db5756f3 69 char *filename;
a2640646 70 char **dropins;
8524db50 71 Hashmap *stats_by_path;
db5756f3 72 char *description;
fc2f9534 73
db5756f3 74 /* [Match] section */
5722fb89 75 NetMatch match;
1beabe08 76 LIST_HEAD(Condition, conditions);
fc2f9534 77
db5756f3 78 /* Master or stacked netdevs */
57aef9d7 79 bool keep_master;
c0267a59 80 NetDev *batadv;
fc2f9534
LP
81 NetDev *bridge;
82 NetDev *bond;
6cb955c6 83 NetDev *vrf;
98d20a17 84 NetDev *xfrm;
fc2f9534 85 Hashmap *stacked_netdevs;
c0267a59 86 char *batadv_name;
cebe1257
YW
87 char *bridge_name;
88 char *bond_name;
89 char *vrf_name;
90 Hashmap *stacked_netdev_names;
fc2f9534 91
db5756f3 92 /* [Link] section */
a8840714 93 struct hw_addr_data hw_addr;
db5756f3 94 uint32_t mtu;
10af8bb2 95 int32_t group;
db5756f3
YW
96 int arp;
97 int multicast;
98 int allmulticast;
937e305e 99 int promiscuous;
db5756f3 100 bool unmanaged;
7c644a69 101 int required_for_online; /* Is this network required to be considered online? */
db5756f3 102 LinkOperationalStateRange required_operstate_for_online;
8430841b 103 AddressFamily required_family_for_online;
61135582 104 ActivationPolicy activation_policy;
db5756f3
YW
105
106 /* misc settings */
107 bool configure_without_carrier;
6706ce2f
YW
108 bool ignore_carrier_loss_set;
109 usec_t ignore_carrier_loss_usec; /* timespan */
db5756f3
YW
110 KeepConfiguration keep_configuration;
111 char **bind_carrier;
112 bool default_route_on_device;
48ed2766 113 AddressFamily ip_masquerade;
db5756f3 114
fc2f9534 115 /* DHCP Client Support */
2d792895 116 AddressFamily dhcp;
b93bf1bf 117 struct in_addr dhcp_request_address;
499d555a 118 DHCPClientIdentifier dhcp_client_identifier;
4e26a5ba
YW
119 DUID dhcp_duid;
120 uint32_t dhcp_iaid;
121 bool dhcp_iaid_set;
fc2f9534 122 char *dhcp_vendor_class_identifier;
7b8d23a9 123 char *dhcp_mudurl;
af1c0de0 124 char **dhcp_user_class;
27cb34f5 125 char *dhcp_hostname;
d419ef02 126 char *dhcp_label;
715cedfb 127 uint64_t dhcp_max_attempts;
132be2b8 128 uint32_t dhcp_route_metric;
bdad94d0 129 bool dhcp_route_metric_set;
94e9bd57 130 uint32_t dhcp_route_table;
e47bcb7d 131 bool dhcp_route_table_set;
5fde4d37 132 usec_t dhcp_fallback_lease_lifetime_usec;
c695dcf9 133 uint32_t dhcp_route_mtu;
9c77d107 134 uint16_t dhcp_client_port;
ea932bd3 135 uint16_t dhcp_port;
cb29c156 136 int dhcp_critical;
db5756f3 137 int dhcp_ip_service_type;
ea577968 138 int dhcp_socket_priority;
139 bool dhcp_socket_priority_set;
7585baa0 140 bool dhcp_anonymize;
27cb34f5 141 bool dhcp_send_hostname;
b90480c8 142 bool dhcp_send_hostname_set;
e70eca9b 143 int dhcp_broadcast;
fc35a9f8 144 int dhcp_ipv6_only_mode;
cf289b14 145 int dhcp_use_rapid_commit;
94e9bd57 146 bool dhcp_use_dns;
bdad94d0 147 bool dhcp_use_dns_set;
a24e12f0 148 bool dhcp_routes_to_dns;
94e9bd57 149 bool dhcp_use_ntp;
bdad94d0 150 bool dhcp_use_ntp_set;
d7b04506 151 bool dhcp_routes_to_ntp;
299d578f 152 bool dhcp_use_sip;
edb88a72 153 bool dhcp_use_captive_portal;
94e9bd57 154 bool dhcp_use_mtu;
27cb34f5 155 bool dhcp_use_routes;
589397a2 156 int dhcp_use_gateway;
f95fb199 157 bool dhcp_quickack;
cb35a0d4
SS
158 uint32_t dhcp_initial_congestion_window;
159 uint32_t dhcp_advertised_receive_window;
27cb34f5 160 bool dhcp_use_timezone;
94e9bd57 161 bool dhcp_use_hostname;
e49bad01 162 bool dhcp_use_6rd;
1501b429 163 bool dhcp_send_release;
0f3ff4ea 164 bool dhcp_send_decline;
94e9bd57 165 DHCPUseDomains dhcp_use_domains;
f225a338 166 bool dhcp_use_domains_set;
6b000af4 167 Set *dhcp_deny_listed_ip;
98ebef62 168 Set *dhcp_allow_listed_ip;
5bc945be 169 Set *dhcp_request_options;
0e96961d 170 OrderedHashmap *dhcp_client_send_options;
7354900d 171 OrderedHashmap *dhcp_client_send_vendor_options;
4b3590c3 172 char *dhcp_netlabel;
fc289dd0 173 NFTSetContext dhcp_nft_set_context;
fc2f9534 174
7802194a 175 /* DHCPv6 Client support */
1536b7b2 176 bool dhcp6_use_address;
0f5ef9b6 177 bool dhcp6_use_pd_prefix;
b90480c8
RP
178 bool dhcp6_send_hostname;
179 bool dhcp6_send_hostname_set;
caa8ca42 180 bool dhcp6_use_dns;
bdad94d0 181 bool dhcp6_use_dns_set;
38ba3da0 182 bool dhcp6_use_hostname;
caa8ca42 183 bool dhcp6_use_ntp;
bdad94d0 184 bool dhcp6_use_ntp_set;
a75feb55 185 bool dhcp6_use_captive_portal;
50ee1fec 186 bool dhcp6_use_rapid_commit;
f225a338
YW
187 DHCPUseDomains dhcp6_use_domains;
188 bool dhcp6_use_domains_set;
4e26a5ba
YW
189 uint32_t dhcp6_iaid;
190 bool dhcp6_iaid_set;
191 bool dhcp6_iaid_set_explicitly;
192 DUID dhcp6_duid;
df8bf726
YW
193 uint8_t dhcp6_pd_prefix_length;
194 struct in6_addr dhcp6_pd_prefix_hint;
b90480c8 195 char *dhcp6_hostname;
3175a8c2 196 char *dhcp6_mudurl;
f37f2a6b 197 char **dhcp6_user_class;
ed0d1b2e 198 char **dhcp6_vendor_class;
0e45721e 199 DHCP6ClientStartMode dhcp6_client_start_mode;
e7d5fe17 200 OrderedHashmap *dhcp6_client_send_options;
b4ccc5de 201 OrderedHashmap *dhcp6_client_send_vendor_options;
35f6a5cb 202 Set *dhcp6_request_options;
4b3590c3 203 char *dhcp6_netlabel;
b895aa5f 204 bool dhcp6_send_release;
fc289dd0 205 NFTSetContext dhcp6_nft_set_context;
caa8ca42 206
fc2f9534
LP
207 /* DHCP Server Support */
208 bool dhcp_server;
21b6b87e 209 bool dhcp_server_bind_to_interface;
0017ba31 210 unsigned char dhcp_server_address_prefixlen;
5459e11d
YW
211 struct in_addr dhcp_server_address_in_addr;
212 const Address *dhcp_server_address;
165d7c5c
YW
213 int dhcp_server_uplink_index;
214 char *dhcp_server_uplink_name;
c95df587 215 struct in_addr dhcp_server_relay_target;
11c38d3e
YA
216 char *dhcp_server_relay_agent_circuit_id;
217 char *dhcp_server_relay_agent_remote_id;
2a71d57f 218 NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX];
77ff6022 219 bool dhcp_server_emit_router;
59aa6220 220 struct in_addr dhcp_server_router;
fc2f9534 221 bool dhcp_server_emit_timezone;
1a04db0f 222 char *dhcp_server_timezone;
fc2f9534 223 usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec;
9b3a67c5
TG
224 uint32_t dhcp_server_pool_offset;
225 uint32_t dhcp_server_pool_size;
db5756f3
YW
226 OrderedHashmap *dhcp_server_send_options;
227 OrderedHashmap *dhcp_server_send_vendor_options;
6278e428
YW
228 struct in_addr dhcp_server_boot_server_address;
229 char *dhcp_server_boot_server_name;
230 char *dhcp_server_boot_filename;
34bea0a1 231 usec_t dhcp_server_ipv6_only_preferred_usec;
1fa0a4ef 232 bool dhcp_server_rapid_commit;
a3ed665a 233 int dhcp_server_persist_leases;
fc2f9534 234
f81ac115 235 /* link-local addressing support */
2d792895 236 AddressFamily link_local;
6f6296b9 237 IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode;
9e1432d5 238 struct in6_addr ipv6ll_stable_secret;
34b63c9e 239 struct in_addr ipv4ll_start_address;
fc2f9534
LP
240 bool ipv4ll_route;
241
27ff0490 242 /* IPv6 RA support */
56a23cb4 243 RADVPrefixDelegation router_prefix_delegation;
7d5cac19
PF
244 usec_t router_lifetime_usec;
245 uint8_t router_preference;
fdc4c67c 246 usec_t router_retransmit_usec;
b26c3452 247 uint8_t router_hop_limit;
7d5cac19
PF
248 bool router_managed;
249 bool router_other_information;
9e25315c
PF
250 bool router_emit_dns;
251 bool router_emit_domains;
88295a05
PF
252 usec_t router_dns_lifetime_usec;
253 struct in6_addr *router_dns;
254 unsigned n_router_dns;
5e2a51d5 255 OrderedSet *router_search_domains;
63295b42
YW
256 int router_uplink_index;
257 char *router_uplink_name;
6a6d27bc
SS
258 /* Mobile IPv6 Home Agent */
259 bool router_home_agent_information;
260 uint16_t router_home_agent_preference;
261 usec_t home_agent_lifetime_usec;
99e015e2 262
a27588d4
YW
263 /* DHCP Prefix Delegation support */
264 int dhcp_pd;
265 bool dhcp_pd_announce;
266 bool dhcp_pd_assign;
267 bool dhcp_pd_manage_temporary_address;
268 int64_t dhcp_pd_subnet_id;
269 uint32_t dhcp_pd_route_metric;
270 Set *dhcp_pd_tokens;
271 int dhcp_pd_uplink_index;
272 char *dhcp_pd_uplink_name;
4b3590c3 273 char *dhcp_pd_netlabel;
fc289dd0 274 NFTSetContext dhcp_pd_nft_set_context;
7d5cac19 275
fc2f9534 276 /* Bridge Support */
7f9915f0
SS
277 int use_bpdu;
278 int hairpin;
97f27f8a 279 int isolated;
7f9915f0
SS
280 int fast_leave;
281 int allow_port_to_be_root;
282 int unicast_flood;
7f15b714 283 int multicast_flood;
d3aa8b49 284 int multicast_to_unicast;
7f15b714
TJ
285 int neighbor_suppression;
286 int learning;
1087623b
SS
287 int bridge_proxy_arp;
288 int bridge_proxy_arp_wifi;
b56be296
DJL
289 uint32_t cost;
290 uint16_t priority;
0fadb2a4 291 MulticastRouter multicast_router;
fc2f9534 292
db5756f3 293 /* Bridge VLAN */
f269016c
YW
294 uint16_t bridge_vlan_pvid;
295 uint32_t bridge_vlan_bitmap[BRIDGE_VLAN_BITMAP_LEN];
296 uint32_t bridge_vlan_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN];
13b498f9 297
06828bb6 298 /* CAN support */
74a27268 299 uint32_t can_bitrate;
06828bb6 300 unsigned can_sample_point;
b164b570
YW
301 nsec_t can_time_quanta_ns;
302 uint32_t can_propagation_segment;
303 uint32_t can_phase_buffer_segment_1;
304 uint32_t can_phase_buffer_segment_2;
305 uint32_t can_sync_jump_width;
7e025e9c
RP
306 uint32_t can_data_bitrate;
307 unsigned can_data_sample_point;
b164b570
YW
308 nsec_t can_data_time_quanta_ns;
309 uint32_t can_data_propagation_segment;
310 uint32_t can_data_phase_buffer_segment_1;
311 uint32_t can_data_phase_buffer_segment_2;
312 uint32_t can_data_sync_jump_width;
06828bb6 313 usec_t can_restart_us;
f1c141cb
YW
314 uint32_t can_control_mode_mask;
315 uint32_t can_control_mode_flags;
239f91f7
YW
316 uint16_t can_termination;
317 bool can_termination_set;
06828bb6 318
72e65e6f
YW
319 /* IPoIB support */
320 IPoIBMode ipoib_mode;
321 int ipoib_umcast;
322
db5756f3 323 /* sysctl settings */
3976c430 324 int ip_forwarding[2];
94d76d07 325 int ipv4_accept_local;
d75bf6cf 326 int ipv4_route_localnet;
8749cbcd 327 int ipv6_dad_transmits;
986e1823 328 uint8_t ipv6_hop_limit;
d4c8de21 329 usec_t ipv6_retransmission_time;
23d8b221 330 int proxy_arp;
b4959550 331 int proxy_arp_pvlan;
4e964aa0 332 uint32_t ipv6_mtu;
db5756f3 333 IPv6PrivacyExtensions ipv6_privacy_extensions;
9c72e8f8 334 IPReversePathFilter ipv4_rp_filter;
db5756f3
YW
335 int ipv6_proxy_ndp;
336 Set *ipv6_proxy_ndp_addresses;
4f2e437a 337
52672db3
YW
338 /* NDisc support */
339 int ndisc;
6df00594 340 bool ndisc_use_redirect;
52672db3
YW
341 bool ndisc_use_dns;
342 bool ndisc_use_gateway;
343 bool ndisc_use_route_prefix;
344 bool ndisc_use_autonomous_prefix;
345 bool ndisc_use_onlink_prefix;
346 bool ndisc_use_mtu;
347 bool ndisc_use_hop_limit;
348 bool ndisc_use_reachable_time;
349 bool ndisc_use_retransmission_time;
52672db3
YW
350 bool ndisc_quickack;
351 bool ndisc_use_captive_portal;
352 bool ndisc_use_pref64;
eb64b435
SS
353 bool active_slave;
354 bool primary_slave;
52672db3
YW
355 DHCPUseDomains ndisc_use_domains;
356 IPv6AcceptRAStartDHCP6Client ndisc_start_dhcp6_client;
357 uint32_t ndisc_route_table;
358 bool ndisc_route_table_set;
359 uint32_t ndisc_route_metric_high;
360 uint32_t ndisc_route_metric_medium;
361 uint32_t ndisc_route_metric_low;
362 bool ndisc_route_metric_set;
75d26411
YW
363 Set *ndisc_deny_listed_router;
364 Set *ndisc_allow_listed_router;
6b000af4 365 Set *ndisc_deny_listed_prefix;
de6b6ff8 366 Set *ndisc_allow_listed_prefix;
16c89e64 367 Set *ndisc_deny_listed_route_prefix;
de6b6ff8 368 Set *ndisc_allow_listed_route_prefix;
3bac5fe6 369 Set *ndisc_tokens;
4b3590c3 370 char *ndisc_netlabel;
fc289dd0 371 NFTSetContext ndisc_nft_set_context;
1e7a0e21 372
e9a8c550 373 /* LLDP support */
8e1ad1ea 374 LLDPMode lldp_mode; /* LLDP reception */
c01b9b87
YW
375 sd_lldp_multicast_mode_t lldp_multicast_mode; /* LLDP transmission */
376 char *lldp_mudurl; /* LLDP MUD URL */
fc2f9534 377
9cd9fc8f 378 OrderedHashmap *addresses_by_section;
fc2f9534 379 Hashmap *routes_by_section;
015b2432 380 OrderedHashmap *nexthops_by_section;
9671ae9d 381 Hashmap *bridge_fdb_entries_by_section;
ff9e0783 382 Hashmap *bridge_mdb_entries_by_section;
aa9626ee 383 OrderedHashmap *neighbors_by_section;
95b74ef6 384 Hashmap *address_labels_by_section;
057abfd8 385 Hashmap *prefixes_by_section;
203d4df5 386 Hashmap *route_prefixes_by_section;
1925f829 387 Hashmap *pref64_prefixes_by_section;
bce67bbe 388 Hashmap *rules_by_section;
c517a49b 389 Hashmap *dhcp_static_leases_by_section;
3a67b8bb
YW
390 Hashmap *qdiscs_by_section;
391 Hashmap *tclasses_by_section;
518cd6b5 392 OrderedHashmap *sr_iov_by_section;
fc2f9534 393
7ece6f58 394 /* All kinds of DNS configuration */
e77bd3fd 395 struct in_addr_full **dns;
5512a963 396 unsigned n_dns;
5e2a51d5 397 OrderedSet *search_domains, *route_domains;
7ece6f58 398 int dns_default_route;
fc2f9534 399 ResolveSupport llmnr;
aaa297d4 400 ResolveSupport mdns;
ad6c0475 401 DnssecMode dnssec_mode;
c9299be2 402 DnsOverTlsMode dns_over_tls_mode;
8a516214 403 Set *dnssec_negative_trust_anchors;
fc2f9534 404
db5756f3 405 /* NTP */
7ece6f58 406 char **ntp;
fc2f9534
LP
407};
408
35ac3b76
YW
409Network *network_ref(Network *network);
410Network *network_unref(Network *network);
411DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref);
fc2f9534 412
7f06b3e1
YW
413int network_load(Manager *manager, OrderedHashmap **networks);
414int network_reload(Manager *manager);
415int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename);
96db6412 416int network_verify(Network *network);
fc2f9534 417
a27588d4 418int manager_build_dhcp_pd_subnet_ids(Manager *manager);
1a4ca0e2 419
fc2f9534 420int network_get_by_name(Manager *manager, const char *name, Network **ret);
add8d07d 421void network_apply_anonymize_if_set(Network *network);
fc2f9534 422
adfeee49 423bool network_has_static_ipv6_configurations(Network *network);
439689c6 424
cebe1257 425CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev);
a2106925 426CONFIG_PARSER_PROTOTYPE(config_parse_tunnel);
ca5ad760
YW
427CONFIG_PARSER_PROTOTYPE(config_parse_domains);
428CONFIG_PARSER_PROTOTYPE(config_parse_dns);
a2106925 429CONFIG_PARSER_PROTOTYPE(config_parse_timezone);
a2106925 430CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors);
a2106925 431CONFIG_PARSER_PROTOTYPE(config_parse_ntp);
4ac77d63 432CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online);
8430841b 433CONFIG_PARSER_PROTOTYPE(config_parse_required_family_for_online);
7da377ef 434CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration);
61135582 435CONFIG_PARSER_PROTOTYPE(config_parse_activation_policy);
f0c09831 436CONFIG_PARSER_PROTOTYPE(config_parse_link_group);
6706ce2f 437CONFIG_PARSER_PROTOTYPE(config_parse_ignore_carrier_loss);
fc2f9534 438
c9f7b4d3 439const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
fc2f9534 440
7da377ef
SS
441const char* keep_configuration_to_string(KeepConfiguration i) _const_;
442KeepConfiguration keep_configuration_from_string(const char *s) _pure_;
6f6296b9 443
61135582
DS
444const char* activation_policy_to_string(ActivationPolicy i) _const_;
445ActivationPolicy activation_policy_from_string(const char *s) _pure_;