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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 | 30 | typedef 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 SS |
37 | _KEEP_CONFIGURATION_MAX, |
38 | _KEEP_CONFIGURATION_INVALID = -1, | |
39 | } KeepConfiguration; | |
40 | ||
6f6296b9 YW |
41 | typedef 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, | |
47 | _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID = -1 | |
48 | } IPv6LinkLocalAddressGenMode; | |
49 | ||
634f0f98 ZJS |
50 | typedef struct Manager Manager; |
51 | ||
2a71d57f LP |
52 | typedef struct NetworkDHCPServerEmitAddress { |
53 | bool emit; | |
54 | struct in_addr *addresses; | |
55 | size_t n_addresses; | |
56 | } NetworkDHCPServerEmitAddress; | |
57 | ||
fc2f9534 LP |
58 | struct Network { |
59 | Manager *manager; | |
60 | ||
db5756f3 YW |
61 | unsigned n_ref; |
62 | ||
fc2f9534 | 63 | char *name; |
db5756f3 | 64 | char *filename; |
7f06b3e1 | 65 | usec_t timestamp; |
db5756f3 | 66 | char *description; |
fc2f9534 | 67 | |
db5756f3 | 68 | /* [Match] section */ |
5722fb89 | 69 | NetMatch match; |
1beabe08 | 70 | LIST_HEAD(Condition, conditions); |
fc2f9534 | 71 | |
db5756f3 | 72 | /* Master or stacked netdevs */ |
fc2f9534 LP |
73 | NetDev *bridge; |
74 | NetDev *bond; | |
6cb955c6 | 75 | NetDev *vrf; |
98d20a17 | 76 | NetDev *xfrm; |
fc2f9534 | 77 | Hashmap *stacked_netdevs; |
cebe1257 YW |
78 | char *bridge_name; |
79 | char *bond_name; | |
80 | char *vrf_name; | |
81 | Hashmap *stacked_netdev_names; | |
fc2f9534 | 82 | |
db5756f3 YW |
83 | /* [Link] section */ |
84 | struct ether_addr *mac; | |
85 | uint32_t mtu; | |
86 | uint32_t group; | |
87 | int arp; | |
88 | int multicast; | |
89 | int allmulticast; | |
90 | bool unmanaged; | |
91 | bool required_for_online; /* Is this network required to be considered online? */ | |
92 | LinkOperationalStateRange required_operstate_for_online; | |
93 | ||
94 | /* misc settings */ | |
95 | bool configure_without_carrier; | |
96 | int ignore_carrier_loss; | |
97 | KeepConfiguration keep_configuration; | |
98 | char **bind_carrier; | |
99 | bool default_route_on_device; | |
100 | bool ip_masquerade; | |
101 | ||
fc2f9534 | 102 | /* DHCP Client Support */ |
2d792895 | 103 | AddressFamily dhcp; |
499d555a | 104 | DHCPClientIdentifier dhcp_client_identifier; |
db5756f3 YW |
105 | DUID duid; |
106 | uint32_t iaid; | |
107 | bool iaid_set; | |
fc2f9534 | 108 | char *dhcp_vendor_class_identifier; |
7b8d23a9 | 109 | char *dhcp_mudurl; |
af1c0de0 | 110 | char **dhcp_user_class; |
27cb34f5 | 111 | char *dhcp_hostname; |
715cedfb | 112 | uint64_t dhcp_max_attempts; |
132be2b8 | 113 | uint32_t dhcp_route_metric; |
bdad94d0 | 114 | bool dhcp_route_metric_set; |
94e9bd57 | 115 | uint32_t dhcp_route_table; |
d6463307 | 116 | uint32_t dhcp_fallback_lease_lifetime; |
c695dcf9 | 117 | uint32_t dhcp_route_mtu; |
9c77d107 | 118 | uint16_t dhcp_client_port; |
cb29c156 | 119 | int dhcp_critical; |
db5756f3 | 120 | int dhcp_ip_service_type; |
7585baa0 | 121 | bool dhcp_anonymize; |
27cb34f5 | 122 | bool dhcp_send_hostname; |
fc2f9534 | 123 | bool dhcp_broadcast; |
94e9bd57 | 124 | bool dhcp_use_dns; |
bdad94d0 | 125 | bool dhcp_use_dns_set; |
a24e12f0 | 126 | bool dhcp_routes_to_dns; |
94e9bd57 | 127 | bool dhcp_use_ntp; |
bdad94d0 | 128 | bool dhcp_use_ntp_set; |
299d578f | 129 | bool dhcp_use_sip; |
94e9bd57 | 130 | bool dhcp_use_mtu; |
27cb34f5 | 131 | bool dhcp_use_routes; |
589397a2 | 132 | int dhcp_use_gateway; |
27cb34f5 | 133 | bool dhcp_use_timezone; |
94e9bd57 | 134 | bool dhcp_use_hostname; |
fc1ba79d | 135 | bool dhcp_route_table_set; |
1501b429 | 136 | bool dhcp_send_release; |
0f3ff4ea | 137 | bool dhcp_send_decline; |
94e9bd57 | 138 | DHCPUseDomains dhcp_use_domains; |
6b000af4 | 139 | Set *dhcp_deny_listed_ip; |
98ebef62 | 140 | Set *dhcp_allow_listed_ip; |
5bc945be | 141 | Set *dhcp_request_options; |
0e96961d | 142 | OrderedHashmap *dhcp_client_send_options; |
7354900d | 143 | OrderedHashmap *dhcp_client_send_vendor_options; |
fc2f9534 | 144 | |
caa8ca42 SS |
145 | /* DHCPv6 Client support*/ |
146 | bool dhcp6_use_dns; | |
bdad94d0 | 147 | bool dhcp6_use_dns_set; |
caa8ca42 | 148 | bool dhcp6_use_ntp; |
bdad94d0 | 149 | bool dhcp6_use_ntp_set; |
db5756f3 | 150 | bool dhcp6_rapid_commit; |
2805536b | 151 | uint8_t dhcp6_pd_length; |
1bf1bfd9 | 152 | uint32_t dhcp6_route_metric; |
bdad94d0 | 153 | bool dhcp6_route_metric_set; |
3175a8c2 | 154 | char *dhcp6_mudurl; |
f37f2a6b | 155 | char **dhcp6_user_class; |
ed0d1b2e | 156 | char **dhcp6_vendor_class; |
2805536b | 157 | struct in6_addr dhcp6_pd_address; |
838d39af | 158 | DHCP6ClientStartMode dhcp6_without_ra; |
e7d5fe17 | 159 | OrderedHashmap *dhcp6_client_send_options; |
b4ccc5de | 160 | OrderedHashmap *dhcp6_client_send_vendor_options; |
35f6a5cb | 161 | Set *dhcp6_request_options; |
db5756f3 YW |
162 | /* Start DHCPv6 PD also when 'O' RA flag is set, see RFC 7084, WPD-4 */ |
163 | bool dhcp6_force_pd_other_information; | |
caa8ca42 | 164 | |
fc2f9534 LP |
165 | /* DHCP Server Support */ |
166 | bool dhcp_server; | |
2a71d57f | 167 | NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX]; |
77ff6022 | 168 | bool dhcp_server_emit_router; |
fc2f9534 | 169 | bool dhcp_server_emit_timezone; |
1a04db0f | 170 | char *dhcp_server_timezone; |
fc2f9534 | 171 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; |
9b3a67c5 TG |
172 | uint32_t dhcp_server_pool_offset; |
173 | uint32_t dhcp_server_pool_size; | |
db5756f3 YW |
174 | OrderedHashmap *dhcp_server_send_options; |
175 | OrderedHashmap *dhcp_server_send_vendor_options; | |
fc2f9534 | 176 | |
6f6296b9 | 177 | /* link local addressing support */ |
2d792895 | 178 | AddressFamily link_local; |
6f6296b9 | 179 | IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode; |
fc2f9534 LP |
180 | bool ipv4ll_route; |
181 | ||
27ff0490 | 182 | /* IPv6 RA support */ |
56a23cb4 | 183 | RADVPrefixDelegation router_prefix_delegation; |
7d5cac19 PF |
184 | usec_t router_lifetime_usec; |
185 | uint8_t router_preference; | |
186 | bool router_managed; | |
187 | bool router_other_information; | |
9e25315c PF |
188 | bool router_emit_dns; |
189 | bool router_emit_domains; | |
88295a05 PF |
190 | usec_t router_dns_lifetime_usec; |
191 | struct in6_addr *router_dns; | |
192 | unsigned n_router_dns; | |
5e2a51d5 | 193 | OrderedSet *router_search_domains; |
99e015e2 YW |
194 | |
195 | /* DHCPv6 Prefix Delegation support */ | |
e502f94d | 196 | int dhcp6_pd; |
4afd9867 | 197 | bool dhcp6_pd_announce; |
99e015e2 | 198 | bool dhcp6_pd_assign; |
db5756f3 | 199 | int64_t dhcp6_pd_subnet_id; |
99e015e2 | 200 | union in_addr_union dhcp6_pd_token; |
7d5cac19 | 201 | |
fc2f9534 | 202 | /* Bridge Support */ |
7f9915f0 SS |
203 | int use_bpdu; |
204 | int hairpin; | |
205 | int fast_leave; | |
206 | int allow_port_to_be_root; | |
207 | int unicast_flood; | |
7f15b714 | 208 | int multicast_flood; |
d3aa8b49 | 209 | int multicast_to_unicast; |
7f15b714 TJ |
210 | int neighbor_suppression; |
211 | int learning; | |
1087623b SS |
212 | int bridge_proxy_arp; |
213 | int bridge_proxy_arp_wifi; | |
b56be296 DJL |
214 | uint32_t cost; |
215 | uint16_t priority; | |
0fadb2a4 | 216 | MulticastRouter multicast_router; |
fc2f9534 | 217 | |
db5756f3 | 218 | /* Bridge VLAN */ |
ffff9abe | 219 | bool use_br_vlan; |
13b498f9 TJ |
220 | uint16_t pvid; |
221 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
222 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
223 | ||
06828bb6 | 224 | /* CAN support */ |
74a27268 | 225 | uint32_t can_bitrate; |
06828bb6 | 226 | unsigned can_sample_point; |
7e025e9c RP |
227 | uint32_t can_data_bitrate; |
228 | unsigned can_data_sample_point; | |
06828bb6 | 229 | usec_t can_restart_us; |
c423be28 | 230 | int can_triple_sampling; |
52aa38f1 | 231 | int can_termination; |
74f0fb90 | 232 | int can_listen_only; |
7e025e9c RP |
233 | int can_fd_mode; |
234 | int can_non_iso; | |
06828bb6 | 235 | |
db5756f3 | 236 | /* sysctl settings */ |
2d792895 | 237 | AddressFamily ip_forward; |
94d76d07 | 238 | int ipv4_accept_local; |
8749cbcd | 239 | int ipv6_dad_transmits; |
b69c3180 | 240 | int ipv6_hop_limit; |
23d8b221 | 241 | int proxy_arp; |
4e964aa0 | 242 | uint32_t ipv6_mtu; |
db5756f3 YW |
243 | IPv6PrivacyExtensions ipv6_privacy_extensions; |
244 | int ipv6_proxy_ndp; | |
245 | Set *ipv6_proxy_ndp_addresses; | |
4f2e437a | 246 | |
db5756f3 YW |
247 | /* IPv6 accept RA */ |
248 | int ipv6_accept_ra; | |
1e7a0e21 | 249 | bool ipv6_accept_ra_use_dns; |
062c2eea SS |
250 | bool ipv6_accept_ra_use_autonomous_prefix; |
251 | bool ipv6_accept_ra_use_onlink_prefix; | |
eb64b435 SS |
252 | bool active_slave; |
253 | bool primary_slave; | |
ac24e418 | 254 | bool ipv6_accept_ra_route_table_set; |
1e7a0e21 | 255 | DHCPUseDomains ipv6_accept_ra_use_domains; |
ac24e418 | 256 | IPv6AcceptRAStartDHCP6Client ipv6_accept_ra_start_dhcp6_client; |
2ba31d29 | 257 | uint32_t ipv6_accept_ra_route_table; |
6b000af4 | 258 | Set *ndisc_deny_listed_prefix; |
2c621495 | 259 | OrderedSet *ipv6_tokens; |
1e7a0e21 | 260 | |
e9a8c550 | 261 | /* LLDP support */ |
8e1ad1ea | 262 | LLDPMode lldp_mode; /* LLDP reception */ |
7272b25e | 263 | LLDPEmit lldp_emit; /* LLDP transmission */ |
e9a8c550 | 264 | char *lldp_mud; /* LLDP MUD URL */ |
fc2f9534 | 265 | |
9cd9fc8f | 266 | OrderedHashmap *addresses_by_section; |
fc2f9534 | 267 | Hashmap *routes_by_section; |
c16c7808 | 268 | Hashmap *nexthops_by_section; |
fc2f9534 | 269 | Hashmap *fdb_entries_by_section; |
3db468ea | 270 | Hashmap *mdb_entries_by_section; |
e4a71bf3 | 271 | Hashmap *neighbors_by_section; |
95b74ef6 | 272 | Hashmap *address_labels_by_section; |
057abfd8 | 273 | Hashmap *prefixes_by_section; |
203d4df5 | 274 | Hashmap *route_prefixes_by_section; |
bce67bbe | 275 | Hashmap *rules_by_section; |
34658df2 | 276 | OrderedHashmap *tc_by_section; |
518cd6b5 | 277 | OrderedHashmap *sr_iov_by_section; |
fc2f9534 | 278 | |
7ece6f58 | 279 | /* All kinds of DNS configuration */ |
e77bd3fd | 280 | struct in_addr_full **dns; |
5512a963 | 281 | unsigned n_dns; |
5e2a51d5 | 282 | OrderedSet *search_domains, *route_domains; |
7ece6f58 | 283 | int dns_default_route; |
fc2f9534 | 284 | ResolveSupport llmnr; |
aaa297d4 | 285 | ResolveSupport mdns; |
ad6c0475 | 286 | DnssecMode dnssec_mode; |
c9299be2 | 287 | DnsOverTlsMode dns_over_tls_mode; |
8a516214 | 288 | Set *dnssec_negative_trust_anchors; |
fc2f9534 | 289 | |
db5756f3 | 290 | /* NTP */ |
7ece6f58 | 291 | char **ntp; |
fc2f9534 LP |
292 | }; |
293 | ||
35ac3b76 YW |
294 | Network *network_ref(Network *network); |
295 | Network *network_unref(Network *network); | |
296 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref); | |
fc2f9534 | 297 | |
7f06b3e1 YW |
298 | int network_load(Manager *manager, OrderedHashmap **networks); |
299 | int network_reload(Manager *manager); | |
300 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename); | |
96db6412 | 301 | int network_verify(Network *network); |
fc2f9534 LP |
302 | |
303 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
c643bda5 YW |
304 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
305 | const char *ifname, char * const *alternative_names, const char *driver, | |
4bb7cc82 | 306 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, |
c643bda5 YW |
307 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
308 | Network **ret); | |
7d342c03 | 309 | int network_apply(Network *network, Link *link); |
add8d07d | 310 | void network_apply_anonymize_if_set(Network *network); |
fc2f9534 | 311 | |
adfeee49 | 312 | bool network_has_static_ipv6_configurations(Network *network); |
439689c6 | 313 | |
cebe1257 | 314 | CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev); |
a2106925 | 315 | CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); |
ca5ad760 YW |
316 | CONFIG_PARSER_PROTOTYPE(config_parse_domains); |
317 | CONFIG_PARSER_PROTOTYPE(config_parse_dns); | |
a2106925 LP |
318 | CONFIG_PARSER_PROTOTYPE(config_parse_hostname); |
319 | CONFIG_PARSER_PROTOTYPE(config_parse_timezone); | |
a2106925 | 320 | CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors); |
a2106925 | 321 | CONFIG_PARSER_PROTOTYPE(config_parse_ntp); |
4ac77d63 | 322 | CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online); |
7da377ef | 323 | CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration); |
6f6296b9 | 324 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_link_local_address_gen_mode); |
fc2f9534 | 325 | |
c9f7b4d3 | 326 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); |
fc2f9534 | 327 | |
7da377ef SS |
328 | const char* keep_configuration_to_string(KeepConfiguration i) _const_; |
329 | KeepConfiguration keep_configuration_from_string(const char *s) _pure_; | |
6f6296b9 YW |
330 | |
331 | const char* ipv6_link_local_address_gen_mode_to_string(IPv6LinkLocalAddressGenMode s) _const_; | |
332 | IPv6LinkLocalAddressGenMode ipv6_link_local_address_gen_mode_from_string(const char *s) _pure_; |