1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2013 Tom Gundersen <teg@jklm.no>
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "sd-dhcp-client.h"
27 #include "sd-dhcp-server.h"
28 #include "sd-ipv4ll.h"
29 #include "sd-icmp6-nd.h"
30 #include "sd-dhcp6-client.h"
33 typedef struct Link Link
;
35 typedef enum LinkState
{
38 LINK_STATE_SETTING_ADDRESSES
,
39 LINK_STATE_SETTING_ROUTES
,
40 LINK_STATE_CONFIGURED
,
45 _LINK_STATE_INVALID
= -1
48 typedef enum LinkOperationalState
{
50 LINK_OPERSTATE_NO_CARRIER
,
51 LINK_OPERSTATE_DORMANT
,
52 LINK_OPERSTATE_CARRIER
,
53 LINK_OPERSTATE_DEGRADED
,
54 LINK_OPERSTATE_ROUTABLE
,
56 _LINK_OPERSTATE_INVALID
= -1
57 } LinkOperationalState
;
60 #include "networkd-network.h"
61 #include "networkd-address.h"
71 struct ether_addr mac
;
73 struct udev_device
*udev_device
;
76 uint8_t kernel_operstate
;
81 LinkOperationalState operstate
;
83 unsigned link_messages
;
88 sd_dhcp_client
*dhcp_client
;
89 sd_dhcp_lease
*dhcp_lease
;
91 uint16_t original_mtu
;
92 unsigned dhcp4_messages
;
93 bool dhcp4_configured
;
94 bool dhcp6_configured
;
100 bool static_configured
;
102 LIST_HEAD(Address
, pool_addresses
);
104 sd_dhcp_server
*dhcp_server
;
106 sd_icmp6_nd
*icmp6_router_discovery
;
107 sd_dhcp6_client
*dhcp6_client
;
108 bool rtnl_extended_attrs
;
113 Hashmap
*bound_by_links
;
114 Hashmap
*bound_to_links
;
117 Link
*link_unref(Link
*link
);
118 Link
*link_ref(Link
*link
);
119 int link_get(Manager
*m
, int ifindex
, Link
**ret
);
120 int link_add(Manager
*manager
, sd_netlink_message
*message
, Link
**ret
);
121 void link_drop(Link
*link
);
123 int link_address_remove_handler(sd_netlink
*rtnl
, sd_netlink_message
*m
, void *userdata
);
124 int link_route_remove_handler(sd_netlink
*rtnl
, sd_netlink_message
*m
, void *userdata
);
126 void link_enter_failed(Link
*link
);
127 int link_initialized(Link
*link
, struct udev_device
*device
);
129 void link_check_ready(Link
*link
);
131 int link_update(Link
*link
, sd_netlink_message
*message
);
133 int link_save(Link
*link
);
135 int link_carrier_reset(Link
*link
);
136 bool link_has_carrier(Link
*link
);
138 int link_set_mtu(Link
*link
, uint32_t mtu
);
139 int link_set_hostname(Link
*link
, const char *hostname
);
140 int link_set_timezone(Link
*link
, const char *timezone
);
142 int ipv4ll_configure(Link
*link
);
143 int dhcp4_configure(Link
*link
);
144 int icmp6_configure(Link
*link
);
146 bool link_lldp_enabled(Link
*link
);
147 bool link_ipv4ll_enabled(Link
*link
);
148 bool link_ipv6ll_enabled(Link
*link
);
149 bool link_dhcp4_server_enabled(Link
*link
);
150 bool link_dhcp4_enabled(Link
*link
);
151 bool link_dhcp6_enabled(Link
*link
);
153 const char* link_state_to_string(LinkState s
) _const_
;
154 LinkState
link_state_from_string(const char *s
) _pure_
;
156 const char* link_operstate_to_string(LinkOperationalState s
) _const_
;
157 LinkOperationalState
link_operstate_from_string(const char *s
) _pure_
;
159 extern const sd_bus_vtable link_vtable
[];
161 int link_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
);
162 int link_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
);
163 int link_send_changed(Link
*link
, const char *property
, ...) _sentinel_
;
165 DEFINE_TRIVIAL_CLEANUP_FUNC(Link
*, link_unref
);
166 #define _cleanup_link_unref_ _cleanup_(link_unrefp)
168 /* Macros which append INTERFACE= to the message */
170 #define log_link_full(link, level, error, ...) \
173 _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, ##__VA_ARGS__) : \
174 log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \
177 #define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, 0, ##__VA_ARGS__)
178 #define log_link_info(link, ...) log_link_full(link, LOG_INFO, 0, ##__VA_ARGS__)
179 #define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, 0, ##__VA_ARGS__)
180 #define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, 0, ##__VA_ARGS__)
181 #define log_link_error(link, ...) log_link_full(link, LOG_ERR, 0, ##__VA_ARGS__)
183 #define log_link_debug_errno(link, error, ...) log_link_full(link, LOG_DEBUG, error, ##__VA_ARGS__)
184 #define log_link_info_errno(link, error, ...) log_link_full(link, LOG_INFO, error, ##__VA_ARGS__)
185 #define log_link_notice_errno(link, error, ...) log_link_full(link, LOG_NOTICE, error, ##__VA_ARGS__)
186 #define log_link_warning_errno(link, error, ...) log_link_full(link, LOG_WARNING, error, ##__VA_ARGS__)
187 #define log_link_error_errno(link, error, ...) log_link_full(link, LOG_ERR, error, ##__VA_ARGS__)
189 #define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__
190 #define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname
192 #define ADDRESS_FMT_VAL(address) \
193 be32toh((address).s_addr) >> 24, \
194 (be32toh((address).s_addr) >> 16) & 0xFFu, \
195 (be32toh((address).s_addr) >> 8) & 0xFFu, \
196 be32toh((address).s_addr) & 0xFFu