]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/network/networkd-link.h
network: ignore callback calls when link is in failed state
[thirdparty/systemd.git] / src / network / networkd-link.h
CommitLineData
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"
634f0f98 21#include "set.h"
0b1831c2
TG
22
23typedef enum LinkState {
bd08ce56
YW
24 LINK_STATE_PENDING, /* udev has not initialized the link */
25 LINK_STATE_INITIALIZED, /* udev has initialized the link */
26 LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */
27 LINK_STATE_CONFIGURED, /* everything is configured */
28 LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */
29 LINK_STATE_FAILED, /* at least one configuration process failed */
30 LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */
0b1831c2
TG
31 _LINK_STATE_MAX,
32 _LINK_STATE_INVALID = -1
33} LinkState;
34
634f0f98
ZJS
35typedef struct Manager Manager;
36typedef struct Network Network;
37typedef struct Address Address;
f24648a6 38typedef struct DUID DUID;
fc2f9534 39
634f0f98 40typedef struct Link {
0b1831c2
TG
41 Manager *manager;
42
cf4b2f99 43 unsigned n_ref;
0b1831c2
TG
44
45 int ifindex;
cbff7170 46 int master_ifindex;
0b1831c2 47 char *ifname;
6cad256d 48 char *kind;
b710e6b6 49 unsigned short iftype;
0b1831c2
TG
50 char *state_file;
51 struct ether_addr mac;
c601ebf7 52 struct in6_addr ipv6ll_address;
0b1831c2 53 uint32_t mtu;
51517f9e 54 sd_device *sd_device;
0b1831c2
TG
55
56 unsigned flags;
57 uint8_t kernel_operstate;
58
59 Network *network;
60
61 LinkState state;
62 LinkOperationalState operstate;
63
7715629e
ST
64 unsigned address_messages;
65 unsigned address_label_messages;
e4a71bf3 66 unsigned neighbor_messages;
7715629e
ST
67 unsigned route_messages;
68 unsigned routing_policy_rule_messages;
69 unsigned routing_policy_rule_remove_messages;
0b1831c2
TG
70 unsigned enslaving;
71
cf1d700d 72 Set *addresses;
adda1ed9 73 Set *addresses_foreign;
1c8e710c
TG
74 Set *routes;
75 Set *routes_foreign;
0b1831c2 76
c42ff3a1 77 bool addresses_configured;
6aa5773b 78 bool addresses_ready;
c42ff3a1 79
0b1831c2
TG
80 sd_dhcp_client *dhcp_client;
81 sd_dhcp_lease *dhcp_lease;
82 char *lease_file;
4e964aa0 83 uint32_t original_mtu;
3c9b8860
TG
84 unsigned dhcp4_messages;
85 bool dhcp4_configured;
18d29550 86 bool dhcp6_configured;
1e7a0e21 87
3b015d40
TG
88 unsigned ndisc_messages;
89 bool ndisc_configured;
b22d8a00 90
0b1831c2 91 sd_ipv4ll *ipv4ll;
e7ab854c
TG
92 bool ipv4ll_address:1;
93 bool ipv4ll_route:1;
0b1831c2 94
e4a71bf3
WKI
95 bool neighbors_configured;
96
7715629e
ST
97 bool static_routes_configured;
98 bool routing_policy_rules_configured;
97e7fb39 99 bool setting_mtu;
3c9b8860 100
0b1831c2
TG
101 LIST_HEAD(Address, pool_addresses);
102
103 sd_dhcp_server *dhcp_server;
104
1e7a0e21
LP
105 sd_ndisc *ndisc;
106 Set *ndisc_rdnss;
107 Set *ndisc_dnssl;
108
091214b6
PF
109 sd_radv *radv;
110
0b1831c2 111 sd_dhcp6_client *dhcp6_client;
be3a09b7 112 bool rtnl_extended_attrs;
ce43e484 113
8e1ad1ea 114 /* This is about LLDP reception */
ce43e484 115 sd_lldp *lldp;
49699bac 116 char *lldp_file;
0d4ad91d 117
8e1ad1ea
LP
118 /* This is about LLDP transmission */
119 unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */
7272b25e 120 sd_event_source *lldp_emit_event_source;
8e1ad1ea 121
0d4ad91d
AR
122 Hashmap *bound_by_links;
123 Hashmap *bound_to_links;
5f707e12 124 Set *slaves;
a879e1a4
YW
125
126 /* For speed meter */
127 struct rtnl_link_stats64 stats_old, stats_new;
128 bool stats_updated;
634f0f98 129} Link;
0b1831c2 130
302a796f
YW
131typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*);
132
f24648a6 133DUID *link_get_duid(Link *link);
27dfc982 134int get_product_uuid_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
f24648a6 135
0b1831c2
TG
136Link *link_unref(Link *link);
137Link *link_ref(Link *link);
2c448c8a 138DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
302a796f 139DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref);
1046bf9b 140
0b1831c2 141int link_get(Manager *m, int ifindex, Link **ret);
1c4baffc 142int link_add(Manager *manager, sd_netlink_message *message, Link **ret);
0b1831c2
TG
143void link_drop(Link *link);
144
8e54db83 145int link_down(Link *link, link_netlink_message_handler_t callback);
14b6bb77 146
b22d8a00 147void link_enter_failed(Link *link);
51517f9e 148int link_initialized(Link *link, sd_device *device);
0b1831c2 149
af9ba57a 150void link_set_state(Link *link, LinkState state);
8012cd39 151void link_check_ready(Link *link);
b22d8a00 152
959f65d3 153void link_update_operstate(Link *link, bool also_update_bond_master);
1c4baffc 154int link_update(Link *link, sd_netlink_message *message);
b22d8a00 155
84de38c5
TG
156void link_dirty(Link *link);
157void link_clean(Link *link);
0b1831c2
TG
158int link_save(Link *link);
159
9c0a72f9 160int link_carrier_reset(Link *link);
a61bb41c 161bool link_has_carrier(Link *link);
0b1831c2 162
c601ebf7 163int link_ipv6ll_gained(Link *link, const struct in6_addr *address);
e7ab854c 164
933c70a0 165int link_set_mtu(Link *link, uint32_t mtu);
3c9b8860 166
b22d8a00 167int ipv4ll_configure(Link *link);
910feb78 168bool link_ipv4ll_enabled(Link *link, AddressFamilyBoolean mask);
8bc17bb3 169
3c9b8860 170int dhcp4_configure(Link *link);
fff1f40c 171int dhcp4_set_client_identifier(Link *link);
64b21ece 172int dhcp4_set_promote_secondaries(Link *link);
10752343 173int dhcp6_request_prefix_delegation(Link *link);
7a695d8e 174int dhcp6_configure(Link *link);
720bec40 175int dhcp6_request_address(Link *link, int ir);
65dd5e31 176int dhcp6_lease_pd_prefix_lost(sd_dhcp6_client *client, Link* link);
b22d8a00 177
95355a28 178int link_stop_clients(Link *link, bool may_keep_dhcp);
946f8e14 179
0b1831c2
TG
180const char* link_state_to_string(LinkState s) _const_;
181LinkState link_state_from_string(const char *s) _pure_;
182
e331e246
TG
183extern const sd_bus_vtable link_vtable[];
184
185int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
186int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
187int link_send_changed(Link *link, const char *property, ...) _sentinel_;
0b1831c2 188
bdb9f580
YW
189uint32_t link_get_vrf_table(Link *link);
190uint32_t link_get_dhcp_route_table(Link *link);
191uint32_t link_get_ipv6_accept_ra_route_table(Link *link);
b5799eeb 192int link_request_set_routes(Link *link);
bdb9f580 193
80431934
PM
194#define ADDRESS_FMT_VAL(address) \
195 be32toh((address).s_addr) >> 24, \
196 (be32toh((address).s_addr) >> 16) & 0xFFu, \
197 (be32toh((address).s_addr) >> 8) & 0xFFu, \
198 be32toh((address).s_addr) & 0xFFu