4 This file is part of systemd.
6 Copyright 2013 Tom Gundersen <teg@jklm.no>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "sd-dhcp-client.h"
26 #include "sd-dhcp-server.h"
27 #include "sd-dhcp6-client.h"
28 #include "sd-ipv4ll.h"
31 #include "sd-netlink.h"
36 typedef enum LinkState
{
39 LINK_STATE_SETTING_ADDRESSES
,
40 LINK_STATE_SETTING_ROUTES
,
41 LINK_STATE_CONFIGURED
,
46 _LINK_STATE_INVALID
= -1
49 typedef enum LinkOperationalState
{
51 LINK_OPERSTATE_NO_CARRIER
,
52 LINK_OPERSTATE_DORMANT
,
53 LINK_OPERSTATE_CARRIER
,
54 LINK_OPERSTATE_DEGRADED
,
55 LINK_OPERSTATE_ROUTABLE
,
57 _LINK_OPERSTATE_INVALID
= -1
58 } LinkOperationalState
;
60 typedef struct Manager Manager
;
61 typedef struct Network Network
;
62 typedef struct Address Address
;
72 unsigned short iftype
;
74 struct ether_addr mac
;
75 struct in6_addr ipv6ll_address
;
77 struct udev_device
*udev_device
;
80 uint8_t kernel_operstate
;
85 LinkOperationalState operstate
;
87 unsigned link_messages
;
91 Set
*addresses_foreign
;
95 sd_dhcp_client
*dhcp_client
;
96 sd_dhcp_lease
*dhcp_lease
;
98 uint16_t original_mtu
;
99 unsigned dhcp4_messages
;
100 bool dhcp4_configured
;
101 bool dhcp6_configured
;
103 unsigned ndisc_messages
;
104 bool ndisc_configured
;
107 bool ipv4ll_address
:1;
110 bool static_configured
;
112 LIST_HEAD(Address
, pool_addresses
);
114 sd_dhcp_server
*dhcp_server
;
120 sd_dhcp6_client
*dhcp6_client
;
121 bool rtnl_extended_attrs
;
123 /* This is about LLDP reception */
127 /* This is about LLDP transmission */
128 unsigned lldp_tx_fast
; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */
129 sd_event_source
*lldp_emit_event_source
;
131 Hashmap
*bound_by_links
;
132 Hashmap
*bound_to_links
;
135 Link
*link_unref(Link
*link
);
136 Link
*link_ref(Link
*link
);
137 int link_get(Manager
*m
, int ifindex
, Link
**ret
);
138 int link_add(Manager
*manager
, sd_netlink_message
*message
, Link
**ret
);
139 void link_drop(Link
*link
);
141 int link_address_remove_handler(sd_netlink
*rtnl
, sd_netlink_message
*m
, void *userdata
);
142 int link_route_remove_handler(sd_netlink
*rtnl
, sd_netlink_message
*m
, void *userdata
);
144 void link_enter_failed(Link
*link
);
145 int link_initialized(Link
*link
, struct udev_device
*device
);
147 void link_check_ready(Link
*link
);
149 void link_update_operstate(Link
*link
);
150 int link_update(Link
*link
, sd_netlink_message
*message
);
152 void link_dirty(Link
*link
);
153 void link_clean(Link
*link
);
154 int link_save(Link
*link
);
156 int link_carrier_reset(Link
*link
);
157 bool link_has_carrier(Link
*link
);
159 int link_ipv6ll_gained(Link
*link
, const struct in6_addr
*address
);
161 int link_set_mtu(Link
*link
, uint32_t mtu
);
162 int link_set_hostname(Link
*link
, const char *hostname
);
163 int link_set_timezone(Link
*link
, const char *timezone
);
165 int ipv4ll_configure(Link
*link
);
166 int dhcp4_configure(Link
*link
);
167 int dhcp6_configure(Link
*link
);
168 int dhcp6_request_address(Link
*link
, int ir
);
170 const char* link_state_to_string(LinkState s
) _const_
;
171 LinkState
link_state_from_string(const char *s
) _pure_
;
173 const char* link_operstate_to_string(LinkOperationalState s
) _const_
;
174 LinkOperationalState
link_operstate_from_string(const char *s
) _pure_
;
176 extern const sd_bus_vtable link_vtable
[];
178 int link_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
);
179 int link_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
);
180 int link_send_changed(Link
*link
, const char *property
, ...) _sentinel_
;
182 DEFINE_TRIVIAL_CLEANUP_FUNC(Link
*, link_unref
);
183 #define _cleanup_link_unref_ _cleanup_(link_unrefp)
185 /* Macros which append INTERFACE= to the message */
187 #define log_link_full(link, level, error, ...) \
190 _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, ##__VA_ARGS__) : \
191 log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \
194 #define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, 0, ##__VA_ARGS__)
195 #define log_link_info(link, ...) log_link_full(link, LOG_INFO, 0, ##__VA_ARGS__)
196 #define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, 0, ##__VA_ARGS__)
197 #define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, 0, ##__VA_ARGS__)
198 #define log_link_error(link, ...) log_link_full(link, LOG_ERR, 0, ##__VA_ARGS__)
200 #define log_link_debug_errno(link, error, ...) log_link_full(link, LOG_DEBUG, error, ##__VA_ARGS__)
201 #define log_link_info_errno(link, error, ...) log_link_full(link, LOG_INFO, error, ##__VA_ARGS__)
202 #define log_link_notice_errno(link, error, ...) log_link_full(link, LOG_NOTICE, error, ##__VA_ARGS__)
203 #define log_link_warning_errno(link, error, ...) log_link_full(link, LOG_WARNING, error, ##__VA_ARGS__)
204 #define log_link_error_errno(link, error, ...) log_link_full(link, LOG_ERR, error, ##__VA_ARGS__)
206 #define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__
207 #define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname
209 #define ADDRESS_FMT_VAL(address) \
210 be32toh((address).s_addr) >> 24, \
211 (be32toh((address).s_addr) >> 16) & 0xFFu, \
212 (be32toh((address).s_addr) >> 8) & 0xFFu, \
213 be32toh((address).s_addr) & 0xFFu