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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
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" |
07630cea | 12 | #include "sd-ipv4ll.h" |
fc2f9534 | 13 | #include "sd-lldp.h" |
07630cea | 14 | #include "sd-ndisc.h" |
9d5d0090 | 15 | #include "sd-radv.h" |
634f0f98 | 16 | #include "sd-netlink.h" |
fc2f9534 | 17 | |
634f0f98 | 18 | #include "list.h" |
e67ae9f5 | 19 | #include "log-link.h" |
2cd6b932 | 20 | #include "network-util.h" |
910feb78 | 21 | #include "networkd-util.h" |
15761549 YW |
22 | #include "ordered-set.h" |
23 | #include "resolve-util.h" | |
634f0f98 | 24 | #include "set.h" |
0b1831c2 TG |
25 | |
26 | typedef enum LinkState { | |
bd08ce56 YW |
27 | LINK_STATE_PENDING, /* udev has not initialized the link */ |
28 | LINK_STATE_INITIALIZED, /* udev has initialized the link */ | |
29 | LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */ | |
30 | LINK_STATE_CONFIGURED, /* everything is configured */ | |
31 | LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */ | |
32 | LINK_STATE_FAILED, /* at least one configuration process failed */ | |
33 | LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */ | |
0b1831c2 TG |
34 | _LINK_STATE_MAX, |
35 | _LINK_STATE_INVALID = -1 | |
36 | } LinkState; | |
37 | ||
634f0f98 ZJS |
38 | typedef struct Manager Manager; |
39 | typedef struct Network Network; | |
40 | typedef struct Address Address; | |
f24648a6 | 41 | typedef struct DUID DUID; |
fc2f9534 | 42 | |
634f0f98 | 43 | typedef struct Link { |
0b1831c2 TG |
44 | Manager *manager; |
45 | ||
cf4b2f99 | 46 | unsigned n_ref; |
0b1831c2 TG |
47 | |
48 | int ifindex; | |
cbff7170 | 49 | int master_ifindex; |
0b1831c2 | 50 | char *ifname; |
572b21d9 | 51 | char **alternative_names; |
6cad256d | 52 | char *kind; |
b710e6b6 | 53 | unsigned short iftype; |
0b1831c2 TG |
54 | char *state_file; |
55 | struct ether_addr mac; | |
4bb7cc82 | 56 | struct ether_addr permanent_mac; |
c601ebf7 | 57 | struct in6_addr ipv6ll_address; |
0b1831c2 | 58 | uint32_t mtu; |
51517f9e | 59 | sd_device *sd_device; |
c643bda5 | 60 | char *driver; |
0b1831c2 | 61 | |
8d968fdd | 62 | /* wlan */ |
78404d22 | 63 | enum nl80211_iftype wlan_iftype; |
8d968fdd | 64 | char *ssid; |
0894cfe4 | 65 | struct ether_addr bssid; |
8d968fdd | 66 | |
0b1831c2 TG |
67 | unsigned flags; |
68 | uint8_t kernel_operstate; | |
69 | ||
70 | Network *network; | |
71 | ||
72 | LinkState state; | |
73 | LinkOperationalState operstate; | |
1678fbb3 YW |
74 | LinkCarrierState carrier_state; |
75 | LinkAddressState address_state; | |
0b1831c2 | 76 | |
7715629e ST |
77 | unsigned address_messages; |
78 | unsigned address_label_messages; | |
e4a71bf3 | 79 | unsigned neighbor_messages; |
7715629e | 80 | unsigned route_messages; |
c16c7808 | 81 | unsigned nexthop_messages; |
7715629e ST |
82 | unsigned routing_policy_rule_messages; |
83 | unsigned routing_policy_rule_remove_messages; | |
34658df2 | 84 | unsigned tc_messages; |
0b1831c2 TG |
85 | unsigned enslaving; |
86 | ||
cf1d700d | 87 | Set *addresses; |
adda1ed9 | 88 | Set *addresses_foreign; |
d1bdafd2 WKI |
89 | Set *neighbors; |
90 | Set *neighbors_foreign; | |
1c8e710c TG |
91 | Set *routes; |
92 | Set *routes_foreign; | |
c16c7808 SS |
93 | Set *nexthops; |
94 | Set *nexthops_foreign; | |
c42ff3a1 | 95 | |
0b1831c2 | 96 | sd_dhcp_client *dhcp_client; |
d03073dd | 97 | sd_dhcp_lease *dhcp_lease, *dhcp_lease_old; |
d4c52ee5 | 98 | Set *dhcp_routes; |
0b1831c2 | 99 | char *lease_file; |
4e964aa0 | 100 | uint32_t original_mtu; |
3c9b8860 | 101 | unsigned dhcp4_messages; |
dd9b10c8 YW |
102 | bool dhcp4_route_failed:1; |
103 | bool dhcp4_route_retrying:1; | |
bd7e5909 YW |
104 | bool dhcp4_configured:1; |
105 | bool dhcp6_configured:1; | |
1e7a0e21 | 106 | |
3b015d40 TG |
107 | unsigned ndisc_messages; |
108 | bool ndisc_configured; | |
b22d8a00 | 109 | |
0b1831c2 | 110 | sd_ipv4ll *ipv4ll; |
e7ab854c | 111 | bool ipv4ll_address:1; |
0b1831c2 | 112 | |
c16c7808 SS |
113 | bool addresses_configured:1; |
114 | bool addresses_ready:1; | |
bd7e5909 YW |
115 | bool neighbors_configured:1; |
116 | bool static_routes_configured:1; | |
c16c7808 SS |
117 | bool static_routes_ready:1; |
118 | bool static_nexthops_configured:1; | |
bd7e5909 | 119 | bool routing_policy_rules_configured:1; |
34658df2 | 120 | bool tc_configured:1; |
bd7e5909 | 121 | bool setting_mtu:1; |
9524014e | 122 | bool setting_genmode:1; |
d236718c | 123 | bool ipv6_mtu_set:1; |
3c9b8860 | 124 | |
0b1831c2 TG |
125 | LIST_HEAD(Address, pool_addresses); |
126 | ||
127 | sd_dhcp_server *dhcp_server; | |
128 | ||
1e7a0e21 LP |
129 | sd_ndisc *ndisc; |
130 | Set *ndisc_rdnss; | |
131 | Set *ndisc_dnssl; | |
132 | ||
091214b6 PF |
133 | sd_radv *radv; |
134 | ||
0b1831c2 | 135 | sd_dhcp6_client *dhcp6_client; |
ce43e484 | 136 | |
8e1ad1ea | 137 | /* This is about LLDP reception */ |
ce43e484 | 138 | sd_lldp *lldp; |
49699bac | 139 | char *lldp_file; |
0d4ad91d | 140 | |
8e1ad1ea LP |
141 | /* This is about LLDP transmission */ |
142 | unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */ | |
7272b25e | 143 | sd_event_source *lldp_emit_event_source; |
8e1ad1ea | 144 | |
0d4ad91d AR |
145 | Hashmap *bound_by_links; |
146 | Hashmap *bound_to_links; | |
5f707e12 | 147 | Set *slaves; |
a879e1a4 YW |
148 | |
149 | /* For speed meter */ | |
150 | struct rtnl_link_stats64 stats_old, stats_new; | |
151 | bool stats_updated; | |
bafa9641 | 152 | |
2a71d57f | 153 | /* All kinds of DNS configuration the user configured via D-Bus */ |
15761549 YW |
154 | struct in_addr_data *dns; |
155 | unsigned n_dns; | |
156 | OrderedSet *search_domains, *route_domains; | |
157 | ||
158 | int dns_default_route; | |
159 | ResolveSupport llmnr; | |
160 | ResolveSupport mdns; | |
161 | DnssecMode dnssec_mode; | |
162 | DnsOverTlsMode dns_over_tls_mode; | |
163 | Set *dnssec_negative_trust_anchors; | |
164 | ||
2a71d57f | 165 | /* Similar, but NTP server configuration */ |
15761549 | 166 | char **ntp; |
634f0f98 | 167 | } Link; |
0b1831c2 | 168 | |
302a796f YW |
169 | typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*); |
170 | ||
f24648a6 | 171 | DUID *link_get_duid(Link *link); |
27dfc982 | 172 | int get_product_uuid_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error); |
f24648a6 | 173 | |
15761549 YW |
174 | void link_ntp_settings_clear(Link *link); |
175 | void link_dns_settings_clear(Link *link); | |
0b1831c2 TG |
176 | Link *link_unref(Link *link); |
177 | Link *link_ref(Link *link); | |
2c448c8a | 178 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); |
302a796f | 179 | DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref); |
1046bf9b | 180 | |
0b1831c2 | 181 | int link_get(Manager *m, int ifindex, Link **ret); |
1c4baffc | 182 | int link_add(Manager *manager, sd_netlink_message *message, Link **ret); |
0b1831c2 TG |
183 | void link_drop(Link *link); |
184 | ||
8e54db83 | 185 | int link_down(Link *link, link_netlink_message_handler_t callback); |
14b6bb77 | 186 | |
b22d8a00 | 187 | void link_enter_failed(Link *link); |
51517f9e | 188 | int link_initialized(Link *link, sd_device *device); |
0b1831c2 | 189 | |
af9ba57a | 190 | void link_set_state(Link *link, LinkState state); |
8012cd39 | 191 | void link_check_ready(Link *link); |
b22d8a00 | 192 | |
959f65d3 | 193 | void link_update_operstate(Link *link, bool also_update_bond_master); |
1c4baffc | 194 | int link_update(Link *link, sd_netlink_message *message); |
b22d8a00 | 195 | |
84de38c5 TG |
196 | void link_dirty(Link *link); |
197 | void link_clean(Link *link); | |
0b1831c2 TG |
198 | int link_save(Link *link); |
199 | ||
9c0a72f9 | 200 | int link_carrier_reset(Link *link); |
a61bb41c | 201 | bool link_has_carrier(Link *link); |
0b1831c2 | 202 | |
c601ebf7 | 203 | int link_ipv6ll_gained(Link *link, const struct in6_addr *address); |
e7ab854c | 204 | |
933c70a0 | 205 | int link_set_mtu(Link *link, uint32_t mtu); |
3c9b8860 | 206 | |
2d792895 | 207 | bool link_ipv4ll_enabled(Link *link, AddressFamily mask); |
8bc17bb3 | 208 | |
95355a28 | 209 | int link_stop_clients(Link *link, bool may_keep_dhcp); |
946f8e14 | 210 | |
0b1831c2 TG |
211 | const char* link_state_to_string(LinkState s) _const_; |
212 | LinkState link_state_from_string(const char *s) _pure_; | |
213 | ||
bdb9f580 YW |
214 | uint32_t link_get_vrf_table(Link *link); |
215 | uint32_t link_get_dhcp_route_table(Link *link); | |
216 | uint32_t link_get_ipv6_accept_ra_route_table(Link *link); | |
b5799eeb | 217 | int link_request_set_routes(Link *link); |
c16c7808 | 218 | int link_request_set_nexthop(Link *link); |
bdb9f580 | 219 | |
99b8517c | 220 | int link_reconfigure(Link *link, bool force); |
9efa8a3c | 221 | int address_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link); |
ad932b15 | 222 | |
5ecb131d YW |
223 | int log_link_message_full_errno(Link *link, sd_netlink_message *m, int level, int err, const char *msg); |
224 | #define log_link_message_error_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_ERR, err, msg) | |
225 | #define log_link_message_warning_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_WARNING, err, msg) | |
226 | #define log_link_message_notice_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_NOTICE, err, msg) | |
227 | #define log_link_message_info_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_INFO, err, msg) | |
228 | #define log_link_message_debug_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_DEBUG, err, msg) | |
229 | ||
80431934 PM |
230 | #define ADDRESS_FMT_VAL(address) \ |
231 | be32toh((address).s_addr) >> 24, \ | |
232 | (be32toh((address).s_addr) >> 16) & 0xFFu, \ | |
233 | (be32toh((address).s_addr) >> 8) & 0xFFu, \ | |
234 | be32toh((address).s_addr) & 0xFFu |