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>
29 #include "sd-dhcp-client.h"
32 #include "rtnl-util.h"
36 typedef struct NetDev NetDev;
37 typedef struct Network Network;
38 typedef struct Link Link;
39 typedef struct Address Address;
40 typedef struct Route Route;
41 typedef struct Manager Manager;
43 typedef struct netdev_enslave_callback netdev_enslave_callback;
45 struct netdev_enslave_callback {
46 sd_rtnl_message_handler_t callback;
49 LIST_FIELDS(netdev_enslave_callback, callbacks);
52 typedef enum NetDevKind {
57 _NETDEV_KIND_INVALID = -1
60 typedef enum NetDevState {
62 NETDEV_STATE_CREATING,
65 _NETDEV_STATE_INVALID = -1,
82 LIST_HEAD(netdev_enslave_callback, callbacks);
90 struct ether_addr *match_mac;
104 bool dhcp_domainname;
107 LIST_HEAD(Address, static_addresses);
108 LIST_HEAD(Route, static_routes);
111 Hashmap *addresses_by_section;
112 Hashmap *routes_by_section;
114 LIST_FIELDS(Network, networks);
121 unsigned char family;
122 unsigned char prefixlen;
125 struct in_addr broadcast;
132 LIST_FIELDS(Address, static_addresses);
139 unsigned char family;
140 unsigned char dst_prefixlen;
152 LIST_FIELDS(Route, static_routes);
155 typedef enum LinkState {
156 LINK_STATE_ENSLAVING,
157 LINK_STATE_SETTING_ADDRESSES,
158 LINK_STATE_SETTING_ROUTES,
159 LINK_STATE_CONFIGURED,
162 _LINK_STATE_INVALID = -1
170 struct ether_addr mac;
178 unsigned addr_messages;
179 unsigned route_messages;
182 sd_dhcp_client *dhcp_client;
183 sd_dhcp_lease *dhcp_lease;
184 uint16_t original_mtu;
192 struct udev_monitor *udev_monitor;
193 sd_event_source *udev_event_source;
197 LIST_HEAD(Network, networks);
199 usec_t network_dirs_ts_usec;
202 extern const char* const network_dirs[];
206 int manager_new(Manager **ret);
207 void manager_free(Manager *m);
209 int manager_load_config(Manager *m);
210 bool manager_should_reload(Manager *m);
212 int manager_udev_enumerate_links(Manager *m);
213 int manager_udev_listen(Manager *m);
215 int manager_rtnl_listen(Manager *m);
216 int manager_bus_listen(Manager *m);
218 int manager_update_resolv_conf(Manager *m);
220 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
221 #define _cleanup_manager_free_ _cleanup_(manager_freep)
225 int netdev_load(Manager *manager);
227 void netdev_free(NetDev *netdev);
229 DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_free);
230 #define _cleanup_netdev_free_ _cleanup_(netdev_freep)
232 int netdev_get(Manager *manager, const char *name, NetDev **ret);
233 int netdev_set_ifindex(NetDev *netdev, int ifindex);
234 int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cb);
236 const char *netdev_kind_to_string(NetDevKind d) _const_;
237 NetDevKind netdev_kind_from_string(const char *d) _pure_;
239 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);
243 int network_load(Manager *manager);
245 void network_free(Network *network);
247 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
248 #define _cleanup_network_free_ _cleanup_(network_freep)
250 int network_get(Manager *manager, struct udev_device *device, Network **ret);
251 int network_apply(Manager *manager, Network *network, Link *link);
253 int config_parse_bridge(const char *unit, const char *filename, unsigned line,
254 const char *section, unsigned section_line, const char *lvalue,
255 int ltype, const char *rvalue, void *data, void *userdata);
257 int config_parse_bond(const char *unit, const char *filename, unsigned line,
258 const char *section, unsigned section_line, const char *lvalue,
259 int ltype, const char *rvalue, void *data, void *userdata);
261 int config_parse_vlan(const char *unit, const char *filename, unsigned line,
262 const char *section, unsigned section_line, const char *lvalue,
263 int ltype, const char *rvalue, void *data, void *userdata);
267 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
270 int route_new_static(Network *network, unsigned section, Route **ret);
271 int route_new_dynamic(Route **ret);
272 void route_free(Route *route);
273 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
275 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
276 #define _cleanup_route_free_ _cleanup_(route_freep)
278 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
279 const char *section, unsigned section_line, const char *lvalue,
280 int ltype, const char *rvalue, void *data, void *userdata);
282 int config_parse_destination(const char *unit, const char *filename, unsigned line,
283 const char *section, unsigned section_line, const char *lvalue,
284 int ltype, const char *rvalue, void *data, void *userdata);
287 int address_new_static(Network *network, unsigned section, Address **ret);
288 int address_new_dynamic(Address **ret);
289 void address_free(Address *address);
290 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
291 int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
293 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
294 #define _cleanup_address_free_ _cleanup_(address_freep)
296 int config_parse_dns(const char *unit, const char *filename, unsigned line,
297 const char *section, unsigned section_line, const char *lvalue,
298 int ltype, const char *rvalue, void *data, void *userdata);
300 int config_parse_address(const char *unit, const char *filename, unsigned line,
301 const char *section, unsigned section_line, const char *lvalue,
302 int ltype, const char *rvalue, void *data, void *userdata);
304 int config_parse_broadcast(const char *unit, const char *filename, unsigned line,
305 const char *section, unsigned section_line, const char *lvalue,
306 int ltype, const char *rvalue, void *data, void *userdata);
308 int config_parse_label(const char *unit, const char *filename, unsigned line,
309 const char *section, unsigned section_line, const char *lvalue,
310 int ltype, const char *rvalue, void *data, void *userdata);
314 int link_new(Manager *manager, struct udev_device *device, Link **ret);
315 void link_free(Link *link);
316 int link_add(Manager *manager, struct udev_device *device, Link **ret);
317 int link_configure(Link *link);
319 int link_update(Link *link, sd_rtnl_message *message);
321 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
322 #define _cleanup_link_free_ _cleanup_(link_freep)
324 /* Macros which append INTERFACE= to the message */
326 #define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%s: " fmt, link->ifname, ##__VA_ARGS__)
327 #define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
328 #define log_info_link(link, ...) log_full_link(LOG_INFO, link, ##__VA_ARGS__)
329 #define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
330 #define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
331 #define log_error_link(link, ...) log_full_link(LOG_ERR, link, ##__VA_ARGS__)
333 #define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
335 /* More macros which append INTERFACE= to the message */
337 #define log_full_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->name, "%s: " fmt, netdev->name, ##__VA_ARGS__)
338 #define log_debug_netdev(netdev, ...) log_full_netdev(LOG_DEBUG, netdev, ##__VA_ARGS__)
339 #define log_info_netdev(netdev, ...) log_full_netdev(LOG_INFO, netdev, ##__VA_ARGS__)
340 #define log_notice_netdev(netdev, ...) log_full_netdev(LOG_NOTICE, netdev, ##__VA_ARGS__)
341 #define log_warning_netdev(netdev, ...) log_full_netdev(LOG_WARNING, netdev,## __VA_ARGS__)
342 #define log_error_netdev(netdev, ...) log_full_netdev(LOG_ERR, netdev, ##__VA_ARGS__)
344 #define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->name, __VA_ARGS__)
346 #define NETDEV(netdev) "INTERFACE=%s", netdev->name
347 #define ADDRESS_FMT_VAL(address) \
348 (address).s_addr & 0xFF, \
349 ((address).s_addr >> 8) & 0xFF, \
350 ((address).s_addr >> 16) & 0xFF, \
351 (address).s_addr >> 24