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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" |
3a2ee855 | 14 | #include "sd-lldp-rx.h" |
c01b9b87 | 15 | #include "sd-lldp-tx.h" |
07630cea | 16 | #include "sd-ndisc.h" |
9d5d0090 | 17 | #include "sd-radv.h" |
634f0f98 | 18 | #include "sd-netlink.h" |
fc2f9534 | 19 | |
b8162cd2 | 20 | #include "ether-addr-util.h" |
e67ae9f5 | 21 | #include "log-link.h" |
2cd6b932 | 22 | #include "network-util.h" |
910feb78 | 23 | #include "networkd-util.h" |
15761549 YW |
24 | #include "ordered-set.h" |
25 | #include "resolve-util.h" | |
634f0f98 | 26 | #include "set.h" |
0b1831c2 TG |
27 | |
28 | typedef enum LinkState { | |
bd08ce56 YW |
29 | LINK_STATE_PENDING, /* udev has not initialized the link */ |
30 | LINK_STATE_INITIALIZED, /* udev has initialized the link */ | |
31 | LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */ | |
32 | LINK_STATE_CONFIGURED, /* everything is configured */ | |
33 | LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */ | |
34 | LINK_STATE_FAILED, /* at least one configuration process failed */ | |
35 | LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */ | |
0b1831c2 | 36 | _LINK_STATE_MAX, |
2d93c20e | 37 | _LINK_STATE_INVALID = -EINVAL, |
0b1831c2 TG |
38 | } LinkState; |
39 | ||
634f0f98 ZJS |
40 | typedef struct Manager Manager; |
41 | typedef struct Network Network; | |
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; |
ca2b7cd8 YW |
56 | struct hw_addr_data hw_addr; |
57 | struct hw_addr_data bcast_addr; | |
ed9fa69f | 58 | struct hw_addr_data permanent_hw_addr; |
a8840714 | 59 | struct hw_addr_data requested_hw_addr; |
c601ebf7 | 60 | struct in6_addr ipv6ll_address; |
0b1831c2 | 61 | uint32_t mtu; |
717ba5fc YW |
62 | uint32_t min_mtu; |
63 | uint32_t max_mtu; | |
64 | uint32_t original_mtu; | |
51517f9e | 65 | sd_device *sd_device; |
c643bda5 | 66 | char *driver; |
0b1831c2 | 67 | |
8d968fdd | 68 | /* wlan */ |
78404d22 | 69 | enum nl80211_iftype wlan_iftype; |
8d968fdd | 70 | char *ssid; |
6706ce2f | 71 | char *previous_ssid; |
0894cfe4 | 72 | struct ether_addr bssid; |
8d968fdd | 73 | |
0b1831c2 TG |
74 | unsigned flags; |
75 | uint8_t kernel_operstate; | |
76 | ||
6706ce2f YW |
77 | sd_event_source *carrier_lost_timer; |
78 | ||
0b1831c2 TG |
79 | Network *network; |
80 | ||
81 | LinkState state; | |
82 | LinkOperationalState operstate; | |
1678fbb3 YW |
83 | LinkCarrierState carrier_state; |
84 | LinkAddressState address_state; | |
8430841b L |
85 | LinkAddressState ipv4_address_state; |
86 | LinkAddressState ipv6_address_state; | |
bcdcc596 | 87 | LinkOnlineState online_state; |
0b1831c2 | 88 | |
76c5a0f2 | 89 | unsigned static_address_messages; |
354bc760 | 90 | unsigned static_address_label_messages; |
e5b35bf6 | 91 | unsigned static_bridge_fdb_messages; |
ff9e0783 | 92 | unsigned static_bridge_mdb_messages; |
fdeba3f5 | 93 | unsigned static_ipv6_proxy_ndp_messages; |
40ca350e | 94 | unsigned static_neighbor_messages; |
76c5a0f2 YW |
95 | unsigned static_nexthop_messages; |
96 | unsigned static_route_messages; | |
0e5ef6be | 97 | unsigned static_routing_policy_rule_messages; |
34658df2 | 98 | unsigned tc_messages; |
518cd6b5 | 99 | unsigned sr_iov_messages; |
0fa8ee6c | 100 | unsigned set_link_messages; |
baa95d22 | 101 | unsigned set_flags_messages; |
71a754f7 YW |
102 | unsigned create_stacked_netdev_messages; |
103 | unsigned create_stacked_netdev_after_configured_messages; | |
0b1831c2 | 104 | |
cf1d700d | 105 | Set *addresses; |
d1bdafd2 | 106 | Set *neighbors; |
1c8e710c | 107 | Set *routes; |
c16c7808 | 108 | Set *nexthops; |
c42ff3a1 | 109 | |
0b1831c2 | 110 | sd_dhcp_client *dhcp_client; |
6e537f62 | 111 | sd_dhcp_lease *dhcp_lease; |
0b1831c2 | 112 | char *lease_file; |
3c9b8860 | 113 | unsigned dhcp4_messages; |
dd9b10c8 YW |
114 | bool dhcp4_route_failed:1; |
115 | bool dhcp4_route_retrying:1; | |
bd7e5909 | 116 | bool dhcp4_configured:1; |
b22d8a00 | 117 | |
0b1831c2 | 118 | sd_ipv4ll *ipv4ll; |
1c09d84e | 119 | bool ipv4ll_address_configured:1; |
0b1831c2 | 120 | |
76c5a0f2 | 121 | bool static_addresses_configured:1; |
354bc760 | 122 | bool static_address_labels_configured:1; |
e5b35bf6 | 123 | bool static_bridge_fdb_configured:1; |
ff9e0783 | 124 | bool static_bridge_mdb_configured:1; |
fdeba3f5 | 125 | bool static_ipv6_proxy_ndp_configured:1; |
40ca350e | 126 | bool static_neighbors_configured:1; |
c16c7808 | 127 | bool static_nexthops_configured:1; |
76c5a0f2 | 128 | bool static_routes_configured:1; |
0e5ef6be | 129 | bool static_routing_policy_rules_configured:1; |
34658df2 | 130 | bool tc_configured:1; |
518cd6b5 | 131 | bool sr_iov_configured:1; |
61135582 | 132 | bool activated:1; |
440d40dc | 133 | bool master_set:1; |
71a754f7 YW |
134 | bool stacked_netdevs_created:1; |
135 | bool stacked_netdevs_after_configured_created:1; | |
3c9b8860 | 136 | |
0b1831c2 TG |
137 | sd_dhcp_server *dhcp_server; |
138 | ||
1e7a0e21 LP |
139 | sd_ndisc *ndisc; |
140 | Set *ndisc_rdnss; | |
141 | Set *ndisc_dnssl; | |
3b6a3bde YW |
142 | unsigned ndisc_messages; |
143 | bool ndisc_configured:1; | |
1e7a0e21 | 144 | |
091214b6 PF |
145 | sd_radv *radv; |
146 | ||
0b1831c2 | 147 | sd_dhcp6_client *dhcp6_client; |
1633c457 | 148 | sd_dhcp6_lease *dhcp6_lease; |
4b409e85 | 149 | Set *dhcp6_pd_prefixes; |
3b6a3bde YW |
150 | unsigned dhcp6_messages; |
151 | unsigned dhcp6_pd_messages; | |
152 | bool dhcp6_configured:1; | |
153 | bool dhcp6_pd_configured:1; | |
ce43e484 | 154 | |
8e1ad1ea | 155 | /* This is about LLDP reception */ |
35778343 | 156 | sd_lldp_rx *lldp_rx; |
49699bac | 157 | char *lldp_file; |
0d4ad91d | 158 | |
8e1ad1ea | 159 | /* This is about LLDP transmission */ |
c01b9b87 | 160 | sd_lldp_tx *lldp_tx; |
8e1ad1ea | 161 | |
0d4ad91d AR |
162 | Hashmap *bound_by_links; |
163 | Hashmap *bound_to_links; | |
5f707e12 | 164 | Set *slaves; |
a879e1a4 YW |
165 | |
166 | /* For speed meter */ | |
167 | struct rtnl_link_stats64 stats_old, stats_new; | |
168 | bool stats_updated; | |
bafa9641 | 169 | |
2a71d57f | 170 | /* All kinds of DNS configuration the user configured via D-Bus */ |
e77bd3fd | 171 | struct in_addr_full **dns; |
15761549 YW |
172 | unsigned n_dns; |
173 | OrderedSet *search_domains, *route_domains; | |
174 | ||
175 | int dns_default_route; | |
176 | ResolveSupport llmnr; | |
177 | ResolveSupport mdns; | |
178 | DnssecMode dnssec_mode; | |
179 | DnsOverTlsMode dns_over_tls_mode; | |
180 | Set *dnssec_negative_trust_anchors; | |
181 | ||
2a71d57f | 182 | /* Similar, but NTP server configuration */ |
15761549 | 183 | char **ntp; |
634f0f98 | 184 | } Link; |
0b1831c2 | 185 | |
302a796f YW |
186 | typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*); |
187 | ||
7191a57a YW |
188 | bool link_is_ready_to_configure(Link *link, bool allow_unmanaged); |
189 | ||
15761549 YW |
190 | void link_ntp_settings_clear(Link *link); |
191 | void link_dns_settings_clear(Link *link); | |
0b1831c2 TG |
192 | Link *link_unref(Link *link); |
193 | Link *link_ref(Link *link); | |
2c448c8a | 194 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); |
302a796f | 195 | DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref); |
1046bf9b | 196 | |
6eab614d | 197 | int link_get_by_index(Manager *m, int ifindex, Link **ret); |
0b54c870 | 198 | int link_get_by_name(Manager *m, const char *ifname, Link **ret); |
fe321d45 | 199 | int link_get_by_hw_addr(Manager *m, const struct hw_addr_data *hw_addr, Link **ret); |
81357285 | 200 | int link_get_master(Link *link, Link **ret); |
0b1831c2 | 201 | |
79c6e114 YW |
202 | int link_getlink_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg); |
203 | int link_call_getlink(Link *link, link_netlink_message_handler_t callback); | |
112a0972 | 204 | int link_handle_bound_to_list(Link *link); |
14b6bb77 | 205 | |
b22d8a00 | 206 | void link_enter_failed(Link *link); |
af9ba57a | 207 | void link_set_state(Link *link, LinkState state); |
8012cd39 | 208 | void link_check_ready(Link *link); |
b22d8a00 | 209 | |
959f65d3 | 210 | void link_update_operstate(Link *link, bool also_update_bond_master); |
b22d8a00 | 211 | |
a61bb41c | 212 | bool link_has_carrier(Link *link); |
0b1831c2 | 213 | |
5e0534f1 | 214 | bool link_ipv6_enabled(Link *link); |
f8f2f880 | 215 | bool link_ipv6ll_enabled(Link *link); |
7657ec3e | 216 | int link_ipv6ll_gained(Link *link); |
e7ab854c | 217 | |
3ca1fab7 | 218 | bool link_ipv4ll_enabled(Link *link); |
8bc17bb3 | 219 | |
2a99eed0 | 220 | int link_stop_engines(Link *link, bool may_keep_dhcp); |
946f8e14 | 221 | |
0b1831c2 TG |
222 | const char* link_state_to_string(LinkState s) _const_; |
223 | LinkState link_state_from_string(const char *s) _pure_; | |
224 | ||
99b8517c | 225 | int link_reconfigure(Link *link, bool force); |
d09a179e | 226 | int link_reconfigure_after_sleep(Link *link); |
ad932b15 | 227 | |
3be9d62a YW |
228 | int manager_udev_process_link(sd_device_monitor *monitor, sd_device *device, void *userdata); |
229 | int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, Manager *m); | |
7ae55b78 YW |
230 | |
231 | int link_flags_to_string_alloc(uint32_t flags, char **ret); | |
232 | const char *kernel_operstate_to_string(int t) _const_; |