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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
fc2f9534 LP |
2 | #pragma once |
3 | ||
80431934 | 4 | #include <endian.h> |
78404d22 | 5 | #include <linux/nl80211.h> |
80431934 | 6 | |
634f0f98 | 7 | #include "sd-bus.h" |
51517f9e | 8 | #include "sd-device.h" |
fc2f9534 LP |
9 | #include "sd-dhcp-client.h" |
10 | #include "sd-dhcp-server.h" | |
fc2f9534 | 11 | #include "sd-dhcp6-client.h" |
10fa21c0 | 12 | #include "sd-ipv4acd.h" |
07630cea | 13 | #include "sd-ipv4ll.h" |
fc2f9534 | 14 | #include "sd-lldp.h" |
07630cea | 15 | #include "sd-ndisc.h" |
9d5d0090 | 16 | #include "sd-radv.h" |
634f0f98 | 17 | #include "sd-netlink.h" |
fc2f9534 | 18 | |
b8162cd2 | 19 | #include "ether-addr-util.h" |
e67ae9f5 | 20 | #include "log-link.h" |
2cd6b932 | 21 | #include "network-util.h" |
910feb78 | 22 | #include "networkd-util.h" |
15761549 YW |
23 | #include "ordered-set.h" |
24 | #include "resolve-util.h" | |
634f0f98 | 25 | #include "set.h" |
0b1831c2 TG |
26 | |
27 | typedef enum LinkState { | |
bd08ce56 YW |
28 | LINK_STATE_PENDING, /* udev has not initialized the link */ |
29 | LINK_STATE_INITIALIZED, /* udev has initialized the link */ | |
30 | LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */ | |
31 | LINK_STATE_CONFIGURED, /* everything is configured */ | |
32 | LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */ | |
33 | LINK_STATE_FAILED, /* at least one configuration process failed */ | |
34 | LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */ | |
0b1831c2 TG |
35 | _LINK_STATE_MAX, |
36 | _LINK_STATE_INVALID = -1 | |
37 | } LinkState; | |
38 | ||
634f0f98 ZJS |
39 | typedef struct Manager Manager; |
40 | typedef struct Network Network; | |
41 | typedef struct Address Address; | |
f24648a6 | 42 | typedef struct DUID DUID; |
fc2f9534 | 43 | |
634f0f98 | 44 | typedef struct Link { |
0b1831c2 TG |
45 | Manager *manager; |
46 | ||
cf4b2f99 | 47 | unsigned n_ref; |
0b1831c2 TG |
48 | |
49 | int ifindex; | |
cbff7170 | 50 | int master_ifindex; |
0b1831c2 | 51 | char *ifname; |
572b21d9 | 52 | char **alternative_names; |
6cad256d | 53 | char *kind; |
b710e6b6 | 54 | unsigned short iftype; |
0b1831c2 | 55 | char *state_file; |
b8162cd2 | 56 | hw_addr_data hw_addr; |
14b66dbc | 57 | hw_addr_data bcast_addr; |
4bb7cc82 | 58 | struct ether_addr permanent_mac; |
c601ebf7 | 59 | struct in6_addr ipv6ll_address; |
0b1831c2 | 60 | uint32_t mtu; |
51517f9e | 61 | sd_device *sd_device; |
c643bda5 | 62 | char *driver; |
0b1831c2 | 63 | |
8d968fdd | 64 | /* wlan */ |
78404d22 | 65 | enum nl80211_iftype wlan_iftype; |
8d968fdd | 66 | char *ssid; |
0894cfe4 | 67 | struct ether_addr bssid; |
8d968fdd | 68 | |
0b1831c2 TG |
69 | unsigned flags; |
70 | uint8_t kernel_operstate; | |
71 | ||
72 | Network *network; | |
73 | ||
74 | LinkState state; | |
75 | LinkOperationalState operstate; | |
1678fbb3 YW |
76 | LinkCarrierState carrier_state; |
77 | LinkAddressState address_state; | |
0b1831c2 | 78 | |
7715629e | 79 | unsigned address_messages; |
9b966cee | 80 | unsigned address_remove_messages; |
7715629e | 81 | unsigned address_label_messages; |
e4a71bf3 | 82 | unsigned neighbor_messages; |
7715629e | 83 | unsigned route_messages; |
c16c7808 | 84 | unsigned nexthop_messages; |
7715629e | 85 | unsigned routing_policy_rule_messages; |
34658df2 | 86 | unsigned tc_messages; |
518cd6b5 | 87 | unsigned sr_iov_messages; |
0b1831c2 | 88 | unsigned enslaving; |
1f241589 | 89 | unsigned bridge_mdb_messages; |
0b1831c2 | 90 | |
cf1d700d | 91 | Set *addresses; |
adda1ed9 | 92 | Set *addresses_foreign; |
aa651e88 | 93 | Set *pool_addresses; |
e5526518 | 94 | Set *static_addresses; |
d1bdafd2 WKI |
95 | Set *neighbors; |
96 | Set *neighbors_foreign; | |
1c8e710c TG |
97 | Set *routes; |
98 | Set *routes_foreign; | |
c16c7808 SS |
99 | Set *nexthops; |
100 | Set *nexthops_foreign; | |
c42ff3a1 | 101 | |
0b1831c2 | 102 | sd_dhcp_client *dhcp_client; |
6e537f62 YW |
103 | sd_dhcp_lease *dhcp_lease; |
104 | Address *dhcp_address, *dhcp_address_old; | |
105 | Set *dhcp_routes, *dhcp_routes_old; | |
0b1831c2 | 106 | char *lease_file; |
4e964aa0 | 107 | uint32_t original_mtu; |
3c9b8860 | 108 | unsigned dhcp4_messages; |
6906794d | 109 | unsigned dhcp4_remove_messages; |
10fa21c0 | 110 | sd_ipv4acd *dhcp_acd; |
dd9b10c8 YW |
111 | bool dhcp4_route_failed:1; |
112 | bool dhcp4_route_retrying:1; | |
bd7e5909 | 113 | bool dhcp4_configured:1; |
153cf041 | 114 | bool dhcp4_address_bind:1; |
b22d8a00 | 115 | |
0b1831c2 | 116 | sd_ipv4ll *ipv4ll; |
1c09d84e | 117 | bool ipv4ll_address_configured:1; |
0b1831c2 | 118 | |
9b966cee | 119 | bool request_static_addresses:1; |
c16c7808 SS |
120 | bool addresses_configured:1; |
121 | bool addresses_ready:1; | |
bd7e5909 YW |
122 | bool neighbors_configured:1; |
123 | bool static_routes_configured:1; | |
c16c7808 | 124 | bool static_nexthops_configured:1; |
bd7e5909 | 125 | bool routing_policy_rules_configured:1; |
34658df2 | 126 | bool tc_configured:1; |
518cd6b5 | 127 | bool sr_iov_configured:1; |
bd7e5909 | 128 | bool setting_mtu:1; |
9524014e | 129 | bool setting_genmode:1; |
d236718c | 130 | bool ipv6_mtu_set:1; |
1f241589 | 131 | bool bridge_mdb_configured:1; |
61135582 | 132 | bool activated:1; |
3c9b8860 | 133 | |
0b1831c2 TG |
134 | sd_dhcp_server *dhcp_server; |
135 | ||
1e7a0e21 LP |
136 | sd_ndisc *ndisc; |
137 | Set *ndisc_rdnss; | |
138 | Set *ndisc_dnssl; | |
50550722 YW |
139 | Set *ndisc_addresses; |
140 | Set *ndisc_routes; | |
1633c457 YW |
141 | unsigned ndisc_addresses_messages; |
142 | unsigned ndisc_routes_messages; | |
143 | bool ndisc_addresses_configured:1; | |
144 | bool ndisc_routes_configured:1; | |
1e7a0e21 | 145 | |
091214b6 PF |
146 | sd_radv *radv; |
147 | ||
0b1831c2 | 148 | sd_dhcp6_client *dhcp6_client; |
1633c457 YW |
149 | sd_dhcp6_lease *dhcp6_lease; |
150 | Set *dhcp6_addresses, *dhcp6_addresses_old; | |
151 | Set *dhcp6_routes, *dhcp6_routes_old; | |
152 | Set *dhcp6_pd_addresses, *dhcp6_pd_addresses_old; | |
153 | Set *dhcp6_pd_routes, *dhcp6_pd_routes_old; | |
154 | unsigned dhcp6_address_messages; | |
155 | unsigned dhcp6_route_messages; | |
156 | unsigned dhcp6_pd_address_messages; | |
157 | unsigned dhcp6_pd_route_messages; | |
158 | bool dhcp6_address_configured:1; | |
159 | bool dhcp6_route_configured:1; | |
160 | bool dhcp6_pd_address_configured:1; | |
161 | bool dhcp6_pd_route_configured:1; | |
162 | bool dhcp6_pd_prefixes_assigned:1; | |
ce43e484 | 163 | |
8e1ad1ea | 164 | /* This is about LLDP reception */ |
ce43e484 | 165 | sd_lldp *lldp; |
49699bac | 166 | char *lldp_file; |
0d4ad91d | 167 | |
8e1ad1ea LP |
168 | /* This is about LLDP transmission */ |
169 | unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */ | |
7272b25e | 170 | sd_event_source *lldp_emit_event_source; |
8e1ad1ea | 171 | |
0d4ad91d AR |
172 | Hashmap *bound_by_links; |
173 | Hashmap *bound_to_links; | |
5f707e12 | 174 | Set *slaves; |
a879e1a4 YW |
175 | |
176 | /* For speed meter */ | |
177 | struct rtnl_link_stats64 stats_old, stats_new; | |
178 | bool stats_updated; | |
bafa9641 | 179 | |
2a71d57f | 180 | /* All kinds of DNS configuration the user configured via D-Bus */ |
e77bd3fd | 181 | struct in_addr_full **dns; |
15761549 YW |
182 | unsigned n_dns; |
183 | OrderedSet *search_domains, *route_domains; | |
184 | ||
185 | int dns_default_route; | |
186 | ResolveSupport llmnr; | |
187 | ResolveSupport mdns; | |
188 | DnssecMode dnssec_mode; | |
189 | DnsOverTlsMode dns_over_tls_mode; | |
190 | Set *dnssec_negative_trust_anchors; | |
191 | ||
2a71d57f | 192 | /* Similar, but NTP server configuration */ |
15761549 | 193 | char **ntp; |
634f0f98 | 194 | } Link; |
0b1831c2 | 195 | |
302a796f YW |
196 | typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*); |
197 | ||
15761549 YW |
198 | void link_ntp_settings_clear(Link *link); |
199 | void link_dns_settings_clear(Link *link); | |
0b1831c2 TG |
200 | Link *link_unref(Link *link); |
201 | Link *link_ref(Link *link); | |
2c448c8a | 202 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); |
302a796f | 203 | DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref); |
1046bf9b | 204 | |
0b1831c2 | 205 | int link_get(Manager *m, int ifindex, Link **ret); |
1c4baffc | 206 | int link_add(Manager *manager, sd_netlink_message *message, Link **ret); |
0b1831c2 TG |
207 | void link_drop(Link *link); |
208 | ||
8e54db83 | 209 | int link_down(Link *link, link_netlink_message_handler_t callback); |
14b6bb77 | 210 | |
b22d8a00 | 211 | void link_enter_failed(Link *link); |
51517f9e | 212 | int link_initialized(Link *link, sd_device *device); |
0b1831c2 | 213 | |
af9ba57a | 214 | void link_set_state(Link *link, LinkState state); |
8012cd39 | 215 | void link_check_ready(Link *link); |
b22d8a00 | 216 | |
959f65d3 | 217 | void link_update_operstate(Link *link, bool also_update_bond_master); |
1c4baffc | 218 | int link_update(Link *link, sd_netlink_message *message); |
b22d8a00 | 219 | |
84de38c5 TG |
220 | void link_dirty(Link *link); |
221 | void link_clean(Link *link); | |
0b1831c2 | 222 | int link_save(Link *link); |
c2a65950 | 223 | int link_save_and_clean(Link *link); |
0b1831c2 | 224 | |
9c0a72f9 | 225 | int link_carrier_reset(Link *link); |
a61bb41c | 226 | bool link_has_carrier(Link *link); |
0b1831c2 | 227 | |
5e0534f1 | 228 | bool link_ipv6_enabled(Link *link); |
f8f2f880 | 229 | bool link_ipv6ll_enabled(Link *link); |
c601ebf7 | 230 | int link_ipv6ll_gained(Link *link, const struct in6_addr *address); |
e7ab854c | 231 | |
933c70a0 | 232 | int link_set_mtu(Link *link, uint32_t mtu); |
3c9b8860 | 233 | |
3ca1fab7 | 234 | bool link_ipv4ll_enabled(Link *link); |
8bc17bb3 | 235 | |
2a99eed0 | 236 | int link_stop_engines(Link *link, bool may_keep_dhcp); |
946f8e14 | 237 | |
0b1831c2 TG |
238 | const char* link_state_to_string(LinkState s) _const_; |
239 | LinkState link_state_from_string(const char *s) _pure_; | |
240 | ||
256c75fd | 241 | int link_configure(Link *link); |
99b8517c | 242 | int link_reconfigure(Link *link, bool force); |
ad932b15 | 243 | |
5ecb131d YW |
244 | int log_link_message_full_errno(Link *link, sd_netlink_message *m, int level, int err, const char *msg); |
245 | #define log_link_message_error_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_ERR, err, msg) | |
246 | #define log_link_message_warning_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_WARNING, err, msg) | |
247 | #define log_link_message_notice_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_NOTICE, err, msg) | |
248 | #define log_link_message_info_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_INFO, err, msg) | |
249 | #define log_link_message_debug_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_DEBUG, err, msg) |