1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <endian.h>
#include <linux/nl80211.h>
#include "sd-bus.h"
#include "sd-device.h"
#include "sd-dhcp-client.h"
#include "sd-dhcp-server.h"
#include "sd-dhcp6-client.h"
#include "sd-ipv4acd.h"
#include "sd-ipv4ll.h"
#include "sd-lldp.h"
#include "sd-ndisc.h"
#include "sd-radv.h"
#include "sd-netlink.h"
#include "ether-addr-util.h"
#include "log-link.h"
#include "network-util.h"
#include "networkd-util.h"
#include "ordered-set.h"
#include "resolve-util.h"
#include "set.h"
typedef enum LinkState {
LINK_STATE_PENDING, /* udev has not initialized the link */
LINK_STATE_INITIALIZED, /* udev has initialized the link */
LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */
LINK_STATE_CONFIGURED, /* everything is configured */
LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */
LINK_STATE_FAILED, /* at least one configuration process failed */
LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */
_LINK_STATE_MAX,
_LINK_STATE_INVALID = -EINVAL,
} LinkState;
typedef struct Manager Manager;
typedef struct Network Network;
typedef struct Address Address;
typedef struct DUID DUID;
typedef struct Link {
Manager *manager;
unsigned n_ref;
int ifindex;
int master_ifindex;
char *ifname;
char **alternative_names;
char *kind;
unsigned short iftype;
char *state_file;
struct hw_addr_data hw_addr;
struct hw_addr_data bcast_addr;
struct ether_addr permanent_mac;
struct in6_addr ipv6ll_address;
uint32_t mtu;
uint32_t min_mtu;
uint32_t max_mtu;
uint32_t original_mtu;
sd_device *sd_device;
char *driver;
/* wlan */
enum nl80211_iftype wlan_iftype;
char *ssid;
struct ether_addr bssid;
unsigned flags;
uint8_t kernel_operstate;
Network *network;
LinkState state;
LinkOperationalState operstate;
LinkCarrierState carrier_state;
LinkAddressState address_state;
LinkAddressState ipv4_address_state;
LinkAddressState ipv6_address_state;
LinkOnlineState online_state;
unsigned static_address_messages;
unsigned static_address_label_messages;
unsigned static_bridge_fdb_messages;
unsigned static_bridge_mdb_messages;
unsigned static_ipv6_proxy_ndp_messages;
unsigned static_neighbor_messages;
unsigned static_nexthop_messages;
unsigned static_route_messages;
unsigned static_routing_policy_rule_messages;
unsigned address_remove_messages;
unsigned route_remove_messages;
unsigned tc_messages;
unsigned sr_iov_messages;
unsigned set_link_messages;
unsigned set_flags_messages;
unsigned create_stacked_netdev_messages;
unsigned create_stacked_netdev_after_configured_messages;
Set *addresses;
Set *addresses_foreign;
Set *addresses_ipv4acd;
Set *pool_addresses;
Set *static_addresses;
Set *neighbors;
Set *routes;
Set *routes_foreign;
Set *nexthops;
sd_dhcp_client *dhcp_client;
sd_dhcp_lease *dhcp_lease;
Address *dhcp_address, *dhcp_address_old;
Set *dhcp_routes, *dhcp_routes_old;
char *lease_file;
unsigned dhcp4_messages;
bool dhcp4_route_failed:1;
bool dhcp4_route_retrying:1;
bool dhcp4_configured:1;
sd_ipv4ll *ipv4ll;
bool ipv4ll_address_configured:1;
bool static_addresses_configured:1;
bool static_address_labels_configured:1;
bool static_bridge_fdb_configured:1;
bool static_bridge_mdb_configured:1;
bool static_ipv6_proxy_ndp_configured:1;
bool static_neighbors_configured:1;
bool static_nexthops_configured:1;
bool static_routes_configured:1;
bool static_routing_policy_rules_configured:1;
bool tc_configured:1;
bool sr_iov_configured:1;
bool activated:1;
bool master_set:1;
bool stacked_netdevs_created:1;
bool stacked_netdevs_after_configured_created:1;
sd_dhcp_server *dhcp_server;
sd_ndisc *ndisc;
Set *ndisc_rdnss;
Set *ndisc_dnssl;
Set *ndisc_addresses;
Set *ndisc_routes;
unsigned ndisc_addresses_messages;
unsigned ndisc_routes_messages;
bool ndisc_addresses_configured:1;
bool ndisc_routes_configured:1;
sd_radv *radv;
sd_dhcp6_client *dhcp6_client;
sd_dhcp6_lease *dhcp6_lease;
Set *dhcp6_addresses, *dhcp6_addresses_old;
Set *dhcp6_routes, *dhcp6_routes_old;
Set *dhcp6_pd_prefixes;
Set *dhcp6_pd_addresses, *dhcp6_pd_addresses_old;
Set *dhcp6_pd_routes, *dhcp6_pd_routes_old;
unsigned dhcp6_address_messages;
unsigned dhcp6_route_messages;
unsigned dhcp6_pd_address_messages;
unsigned dhcp6_pd_route_messages;
bool dhcp6_address_configured:1;
bool dhcp6_route_configured:1;
bool dhcp6_pd_address_configured:1;
bool dhcp6_pd_route_configured:1;
bool dhcp6_pd_prefixes_assigned:1;
/* This is about LLDP reception */
sd_lldp *lldp;
char *lldp_file;
/* This is about LLDP transmission */
unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */
sd_event_source *lldp_emit_event_source;
Hashmap *bound_by_links;
Hashmap *bound_to_links;
Set *slaves;
/* For speed meter */
struct rtnl_link_stats64 stats_old, stats_new;
bool stats_updated;
/* All kinds of DNS configuration the user configured via D-Bus */
struct in_addr_full **dns;
unsigned n_dns;
OrderedSet *search_domains, *route_domains;
int dns_default_route;
ResolveSupport llmnr;
ResolveSupport mdns;
DnssecMode dnssec_mode;
DnsOverTlsMode dns_over_tls_mode;
Set *dnssec_negative_trust_anchors;
/* Similar, but NTP server configuration */
char **ntp;
} Link;
typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*);
bool link_is_ready_to_configure(Link *link, bool allow_unmanaged);
void link_ntp_settings_clear(Link *link);
void link_dns_settings_clear(Link *link);
Link *link_unref(Link *link);
Link *link_ref(Link *link);
DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref);
int link_get_by_index(Manager *m, int ifindex, Link **ret);
int link_get_by_name(Manager *m, const char *ifname, Link **ret);
int link_get_by_hw_addr(Manager *m, const struct hw_addr_data *hw_addr, Link **ret);
int link_get_master(Link *link, Link **ret);
int link_getlink_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg);
int link_call_getlink(Link *link, link_netlink_message_handler_t callback);
int link_handle_bound_to_list(Link *link);
void link_enter_failed(Link *link);
void link_set_state(Link *link, LinkState state);
void link_check_ready(Link *link);
void link_update_operstate(Link *link, bool also_update_bond_master);
bool link_has_carrier(Link *link);
bool link_ipv6_enabled(Link *link);
bool link_ipv6ll_enabled(Link *link);
int link_ipv6ll_gained(Link *link);
bool link_ipv4ll_enabled(Link *link);
int link_stop_engines(Link *link, bool may_keep_dhcp);
const char* link_state_to_string(LinkState s) _const_;
LinkState link_state_from_string(const char *s) _pure_;
int link_reconfigure(Link *link, bool force);
int link_reconfigure_after_sleep(Link *link);
int manager_udev_process_link(sd_device_monitor *monitor, sd_device *device, void *userdata);
int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
|
