1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/>.
24 #include <arpa/inet.h>
25 #include <linux/rtnetlink.h>
30 #include "sd-dhcp-client.h"
33 #include "rtnl-util.h"
37 typedef struct Netdev Netdev;
38 typedef struct Network Network;
39 typedef struct Link Link;
40 typedef struct Address Address;
41 typedef struct Route Route;
42 typedef struct Manager Manager;
44 typedef struct netdev_enslave_callback netdev_enslave_callback;
46 struct netdev_enslave_callback {
47 sd_rtnl_message_handler_t callback;
50 LIST_FIELDS(netdev_enslave_callback, callbacks);
53 typedef enum NetdevKind {
58 _NETDEV_KIND_INVALID = -1
61 typedef enum NetdevState {
63 NETDEV_STATE_CREATING,
66 _NETDEV_STATE_INVALID = -1,
83 LIST_HEAD(netdev_enslave_callback, callbacks);
91 struct ether_addr *match_mac;
105 bool dhcp_domainname;
108 LIST_HEAD(Address, static_addresses);
109 LIST_HEAD(Route, static_routes);
112 Hashmap *addresses_by_section;
113 Hashmap *routes_by_section;
115 LIST_FIELDS(Network, networks);
122 unsigned char family;
123 unsigned char prefixlen;
126 struct in_addr netmask;
133 LIST_FIELDS(Address, static_addresses);
140 unsigned char family;
141 unsigned char dst_family;
142 unsigned char dst_prefixlen;
154 LIST_FIELDS(Route, static_routes);
157 typedef enum LinkState {
158 LINK_STATE_ENSLAVING,
159 LINK_STATE_SETTING_ADDRESSES,
160 LINK_STATE_SETTING_ROUTES,
161 LINK_STATE_CONFIGURED,
164 _LINK_STATE_INVALID = -1
172 struct ether_addr mac;
179 Address *dhcp_address;
181 uint16_t original_mtu;
185 unsigned addr_messages;
186 unsigned route_messages;
189 sd_dhcp_client *dhcp;
197 struct udev_monitor *udev_monitor;
198 sd_event_source *udev_event_source;
202 LIST_HEAD(Network, networks);
204 usec_t network_dirs_ts_usec;
207 extern const char* const network_dirs[];
211 int manager_new(Manager **ret);
212 void manager_free(Manager *m);
214 int manager_load_config(Manager *m);
215 bool manager_should_reload(Manager *m);
217 int manager_udev_enumerate_links(Manager *m);
218 int manager_udev_listen(Manager *m);
220 int manager_rtnl_listen(Manager *m);
221 int manager_bus_listen(Manager *m);
223 int manager_update_resolv_conf(Manager *m);
225 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
226 #define _cleanup_manager_free_ _cleanup_(manager_freep)
230 int netdev_load(Manager *manager);
232 void netdev_free(Netdev *netdev);
234 DEFINE_TRIVIAL_CLEANUP_FUNC(Netdev*, netdev_free);
235 #define _cleanup_netdev_free_ _cleanup_(netdev_freep)
237 int netdev_get(Manager *manager, const char *name, Netdev **ret);
238 int netdev_set_link(Manager *m, NetdevKind kind, Link *link);
239 int netdev_enslave(Netdev *netdev, Link *link, sd_rtnl_message_handler_t cb);
241 const char *netdev_kind_to_string(NetdevKind d) _const_;
242 NetdevKind netdev_kind_from_string(const char *d) _pure_;
244 int config_parse_netdev_kind(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
248 int network_load(Manager *manager);
250 void network_free(Network *network);
252 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
253 #define _cleanup_network_free_ _cleanup_(network_freep)
255 int network_get(Manager *manager, struct udev_device *device, Network **ret);
256 int network_apply(Manager *manager, Network *network, Link *link);
258 int config_parse_bridge(const char *unit, const char *filename, unsigned line,
259 const char *section, unsigned section_line, const char *lvalue,
260 int ltype, const char *rvalue, void *data, void *userdata);
262 int config_parse_bond(const char *unit, const char *filename, unsigned line,
263 const char *section, unsigned section_line, const char *lvalue,
264 int ltype, const char *rvalue, void *data, void *userdata);
266 int config_parse_vlan(const char *unit, const char *filename, unsigned line,
267 const char *section, unsigned section_line, const char *lvalue,
268 int ltype, const char *rvalue, void *data, void *userdata);
272 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
275 int route_new_static(Network *network, unsigned section, Route **ret);
276 int route_new_dynamic(Route **ret);
277 void route_free(Route *route);
278 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
280 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
281 #define _cleanup_route_free_ _cleanup_(route_freep)
283 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
284 const char *section, unsigned section_line, const char *lvalue,
285 int ltype, const char *rvalue, void *data, void *userdata);
287 int config_parse_destination(const char *unit, const char *filename, unsigned line,
288 const char *section, unsigned section_line, const char *lvalue,
289 int ltype, const char *rvalue, void *data, void *userdata);
292 int address_new_static(Network *network, unsigned section, Address **ret);
293 int address_new_dynamic(Address **ret);
294 void address_free(Address *address);
295 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
296 int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
298 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
299 #define _cleanup_address_free_ _cleanup_(address_freep)
301 int config_parse_dns(const char *unit, const char *filename, unsigned line,
302 const char *section, unsigned section_line, const char *lvalue,
303 int ltype, const char *rvalue, void *data, void *userdata);
305 int config_parse_address(const char *unit, const char *filename, unsigned line,
306 const char *section, unsigned section_line, const char *lvalue,
307 int ltype, const char *rvalue, void *data, void *userdata);
309 int config_parse_label(const char *unit, const char *filename, unsigned line,
310 const char *section, unsigned section_line, const char *lvalue,
311 int ltype, const char *rvalue, void *data, void *userdata);
315 int link_new(Manager *manager, struct udev_device *device, Link **ret);
316 void link_free(Link *link);
317 int link_add(Manager *manager, struct udev_device *device, Link **ret);
318 int link_configure(Link *link);
320 int link_update(Link *link, sd_rtnl_message *message);
322 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
323 #define _cleanup_link_free_ _cleanup_(link_freep)
325 /* Macros which append INTERFACE= to the message */
327 #define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%s: " fmt, link->ifname, ##__VA_ARGS__)
328 #define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
329 #define log_info_link(link, ...) log_full_link(LOG_INFO, link, ##__VA_ARGS__)
330 #define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
331 #define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
332 #define log_error_link(link, ...) log_full_link(LOG_ERR, link, ##__VA_ARGS__)
334 #define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
336 /* More macros which append INTERFACE= to the message */
338 #define log_full_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->name, "%s: " fmt, netdev->name, ##__VA_ARGS__)
339 #define log_debug_netdev(netdev, ...) log_full_netdev(LOG_DEBUG, netdev, ##__VA_ARGS__)
340 #define log_info_netdev(netdev, ...) log_full_netdev(LOG_INFO, netdev, ##__VA_ARGS__)
341 #define log_notice_netdev(netdev, ...) log_full_netdev(LOG_NOTICE, netdev, ##__VA_ARGS__)
342 #define log_warning_netdev(netdev, ...) log_full_netdev(LOG_WARNING, netdev,## __VA_ARGS__)
343 #define log_error_netdev(netdev, ...) log_full_netdev(LOG_ERR, netdev, ##__VA_ARGS__)
345 #define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->name, __VA_ARGS__)
347 #define NETDEV(netdev) "INTERFACE=%s", netdev->name
348 #define ADDRESS_FMT_VAL(address) \
349 (address).s_addr & 0xFF, \
350 ((address).s_addr >> 8) & 0xFF, \
351 ((address).s_addr >> 16) & 0xFF, \
352 (address).s_addr >> 24