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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
fc2f9534 LP |
2 | #pragma once |
3 | ||
80431934 PM |
4 | #include <endian.h> |
5 | ||
634f0f98 | 6 | #include "sd-bus.h" |
51517f9e | 7 | #include "sd-device.h" |
fc2f9534 LP |
8 | #include "sd-dhcp-client.h" |
9 | #include "sd-dhcp-server.h" | |
fc2f9534 | 10 | #include "sd-dhcp6-client.h" |
07630cea | 11 | #include "sd-ipv4ll.h" |
fc2f9534 | 12 | #include "sd-lldp.h" |
07630cea | 13 | #include "sd-ndisc.h" |
9d5d0090 | 14 | #include "sd-radv.h" |
634f0f98 | 15 | #include "sd-netlink.h" |
fc2f9534 | 16 | |
634f0f98 | 17 | #include "list.h" |
e67ae9f5 | 18 | #include "log-link.h" |
2cd6b932 | 19 | #include "network-util.h" |
910feb78 | 20 | #include "networkd-util.h" |
15761549 YW |
21 | #include "ordered-set.h" |
22 | #include "resolve-util.h" | |
634f0f98 | 23 | #include "set.h" |
0b1831c2 TG |
24 | |
25 | typedef enum LinkState { | |
bd08ce56 YW |
26 | LINK_STATE_PENDING, /* udev has not initialized the link */ |
27 | LINK_STATE_INITIALIZED, /* udev has initialized the link */ | |
28 | LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */ | |
29 | LINK_STATE_CONFIGURED, /* everything is configured */ | |
30 | LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */ | |
31 | LINK_STATE_FAILED, /* at least one configuration process failed */ | |
32 | LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */ | |
0b1831c2 TG |
33 | _LINK_STATE_MAX, |
34 | _LINK_STATE_INVALID = -1 | |
35 | } LinkState; | |
36 | ||
634f0f98 ZJS |
37 | typedef struct Manager Manager; |
38 | typedef struct Network Network; | |
39 | typedef struct Address Address; | |
f24648a6 | 40 | typedef struct DUID DUID; |
fc2f9534 | 41 | |
634f0f98 | 42 | typedef struct Link { |
0b1831c2 TG |
43 | Manager *manager; |
44 | ||
cf4b2f99 | 45 | unsigned n_ref; |
0b1831c2 TG |
46 | |
47 | int ifindex; | |
cbff7170 | 48 | int master_ifindex; |
0b1831c2 | 49 | char *ifname; |
6cad256d | 50 | char *kind; |
b710e6b6 | 51 | unsigned short iftype; |
0b1831c2 TG |
52 | char *state_file; |
53 | struct ether_addr mac; | |
c601ebf7 | 54 | struct in6_addr ipv6ll_address; |
0b1831c2 | 55 | uint32_t mtu; |
51517f9e | 56 | sd_device *sd_device; |
0b1831c2 TG |
57 | |
58 | unsigned flags; | |
59 | uint8_t kernel_operstate; | |
60 | ||
61 | Network *network; | |
62 | ||
63 | LinkState state; | |
64 | LinkOperationalState operstate; | |
1678fbb3 YW |
65 | LinkCarrierState carrier_state; |
66 | LinkAddressState address_state; | |
0b1831c2 | 67 | |
7715629e ST |
68 | unsigned address_messages; |
69 | unsigned address_label_messages; | |
e4a71bf3 | 70 | unsigned neighbor_messages; |
7715629e ST |
71 | unsigned route_messages; |
72 | unsigned routing_policy_rule_messages; | |
73 | unsigned routing_policy_rule_remove_messages; | |
0b1831c2 TG |
74 | unsigned enslaving; |
75 | ||
cf1d700d | 76 | Set *addresses; |
adda1ed9 | 77 | Set *addresses_foreign; |
1c8e710c TG |
78 | Set *routes; |
79 | Set *routes_foreign; | |
0b1831c2 | 80 | |
c42ff3a1 | 81 | bool addresses_configured; |
6aa5773b | 82 | bool addresses_ready; |
c42ff3a1 | 83 | |
0b1831c2 | 84 | sd_dhcp_client *dhcp_client; |
d03073dd | 85 | sd_dhcp_lease *dhcp_lease, *dhcp_lease_old; |
d4c52ee5 | 86 | Set *dhcp_routes; |
0b1831c2 | 87 | char *lease_file; |
4e964aa0 | 88 | uint32_t original_mtu; |
3c9b8860 TG |
89 | unsigned dhcp4_messages; |
90 | bool dhcp4_configured; | |
18d29550 | 91 | bool dhcp6_configured; |
1e7a0e21 | 92 | |
3b015d40 TG |
93 | unsigned ndisc_messages; |
94 | bool ndisc_configured; | |
b22d8a00 | 95 | |
0b1831c2 | 96 | sd_ipv4ll *ipv4ll; |
e7ab854c TG |
97 | bool ipv4ll_address:1; |
98 | bool ipv4ll_route:1; | |
0b1831c2 | 99 | |
e4a71bf3 WKI |
100 | bool neighbors_configured; |
101 | ||
7715629e ST |
102 | bool static_routes_configured; |
103 | bool routing_policy_rules_configured; | |
97e7fb39 | 104 | bool setting_mtu; |
3c9b8860 | 105 | |
0b1831c2 TG |
106 | LIST_HEAD(Address, pool_addresses); |
107 | ||
108 | sd_dhcp_server *dhcp_server; | |
109 | ||
1e7a0e21 LP |
110 | sd_ndisc *ndisc; |
111 | Set *ndisc_rdnss; | |
112 | Set *ndisc_dnssl; | |
113 | ||
091214b6 PF |
114 | sd_radv *radv; |
115 | ||
0b1831c2 | 116 | sd_dhcp6_client *dhcp6_client; |
ce43e484 | 117 | |
8e1ad1ea | 118 | /* This is about LLDP reception */ |
ce43e484 | 119 | sd_lldp *lldp; |
49699bac | 120 | char *lldp_file; |
0d4ad91d | 121 | |
8e1ad1ea LP |
122 | /* This is about LLDP transmission */ |
123 | unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */ | |
7272b25e | 124 | sd_event_source *lldp_emit_event_source; |
8e1ad1ea | 125 | |
0d4ad91d AR |
126 | Hashmap *bound_by_links; |
127 | Hashmap *bound_to_links; | |
5f707e12 | 128 | Set *slaves; |
a879e1a4 YW |
129 | |
130 | /* For speed meter */ | |
131 | struct rtnl_link_stats64 stats_old, stats_new; | |
132 | bool stats_updated; | |
bafa9641 YW |
133 | |
134 | int sysctl_ipv6_enabled; | |
15761549 YW |
135 | |
136 | /* All kinds of DNS configuration */ | |
137 | struct in_addr_data *dns; | |
138 | unsigned n_dns; | |
139 | OrderedSet *search_domains, *route_domains; | |
140 | ||
141 | int dns_default_route; | |
142 | ResolveSupport llmnr; | |
143 | ResolveSupport mdns; | |
144 | DnssecMode dnssec_mode; | |
145 | DnsOverTlsMode dns_over_tls_mode; | |
146 | Set *dnssec_negative_trust_anchors; | |
147 | ||
148 | char **ntp; | |
634f0f98 | 149 | } Link; |
0b1831c2 | 150 | |
302a796f YW |
151 | typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*); |
152 | ||
f24648a6 | 153 | DUID *link_get_duid(Link *link); |
27dfc982 | 154 | int get_product_uuid_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error); |
f24648a6 | 155 | |
15761549 YW |
156 | void link_ntp_settings_clear(Link *link); |
157 | void link_dns_settings_clear(Link *link); | |
0b1831c2 TG |
158 | Link *link_unref(Link *link); |
159 | Link *link_ref(Link *link); | |
2c448c8a | 160 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); |
302a796f | 161 | DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref); |
1046bf9b | 162 | |
0b1831c2 | 163 | int link_get(Manager *m, int ifindex, Link **ret); |
1c4baffc | 164 | int link_add(Manager *manager, sd_netlink_message *message, Link **ret); |
0b1831c2 TG |
165 | void link_drop(Link *link); |
166 | ||
8e54db83 | 167 | int link_down(Link *link, link_netlink_message_handler_t callback); |
14b6bb77 | 168 | |
b22d8a00 | 169 | void link_enter_failed(Link *link); |
51517f9e | 170 | int link_initialized(Link *link, sd_device *device); |
0b1831c2 | 171 | |
af9ba57a | 172 | void link_set_state(Link *link, LinkState state); |
8012cd39 | 173 | void link_check_ready(Link *link); |
b22d8a00 | 174 | |
959f65d3 | 175 | void link_update_operstate(Link *link, bool also_update_bond_master); |
1c4baffc | 176 | int link_update(Link *link, sd_netlink_message *message); |
b22d8a00 | 177 | |
84de38c5 TG |
178 | void link_dirty(Link *link); |
179 | void link_clean(Link *link); | |
0b1831c2 TG |
180 | int link_save(Link *link); |
181 | ||
9c0a72f9 | 182 | int link_carrier_reset(Link *link); |
a61bb41c | 183 | bool link_has_carrier(Link *link); |
0b1831c2 | 184 | |
c601ebf7 | 185 | int link_ipv6ll_gained(Link *link, const struct in6_addr *address); |
e7ab854c | 186 | |
933c70a0 | 187 | int link_set_mtu(Link *link, uint32_t mtu); |
3c9b8860 | 188 | |
910feb78 | 189 | bool link_ipv4ll_enabled(Link *link, AddressFamilyBoolean mask); |
8bc17bb3 | 190 | |
95355a28 | 191 | int link_stop_clients(Link *link, bool may_keep_dhcp); |
946f8e14 | 192 | |
0b1831c2 TG |
193 | const char* link_state_to_string(LinkState s) _const_; |
194 | LinkState link_state_from_string(const char *s) _pure_; | |
195 | ||
bdb9f580 YW |
196 | uint32_t link_get_vrf_table(Link *link); |
197 | uint32_t link_get_dhcp_route_table(Link *link); | |
198 | uint32_t link_get_ipv6_accept_ra_route_table(Link *link); | |
b5799eeb | 199 | int link_request_set_routes(Link *link); |
bdb9f580 | 200 | |
bafa9641 YW |
201 | int link_sysctl_ipv6_enabled(Link *link); |
202 | ||
80431934 PM |
203 | #define ADDRESS_FMT_VAL(address) \ |
204 | be32toh((address).s_addr) >> 24, \ | |
205 | (be32toh((address).s_addr) >> 16) & 0xFFu, \ | |
206 | (be32toh((address).s_addr) >> 8) & 0xFFu, \ | |
207 | be32toh((address).s_addr) & 0xFFu |