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 broadcast;
133 LIST_FIELDS(Address, static_addresses);
140 unsigned char family;
141 unsigned char dst_prefixlen;
153 LIST_FIELDS(Route, static_routes);
156 typedef enum LinkState {
157 LINK_STATE_ENSLAVING,
158 LINK_STATE_SETTING_ADDRESSES,
159 LINK_STATE_SETTING_ROUTES,
160 LINK_STATE_CONFIGURED,
163 _LINK_STATE_INVALID = -1
171 struct ether_addr mac;
179 unsigned addr_messages;
180 unsigned route_messages;
183 sd_dhcp_client *dhcp_client;
184 sd_dhcp_lease *dhcp_lease;
185 uint16_t original_mtu;
193 struct udev_monitor *udev_monitor;
194 sd_event_source *udev_event_source;
198 LIST_HEAD(Network, networks);
200 usec_t network_dirs_ts_usec;
203 extern const char* const network_dirs[];
207 int manager_new(Manager **ret);
208 void manager_free(Manager *m);
210 int manager_load_config(Manager *m);
211 bool manager_should_reload(Manager *m);
213 int manager_udev_enumerate_links(Manager *m);
214 int manager_udev_listen(Manager *m);
216 int manager_rtnl_listen(Manager *m);
217 int manager_bus_listen(Manager *m);
219 int manager_update_resolv_conf(Manager *m);
221 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
222 #define _cleanup_manager_free_ _cleanup_(manager_freep)
226 int netdev_load(Manager *manager);
228 void netdev_free(Netdev *netdev);
230 DEFINE_TRIVIAL_CLEANUP_FUNC(Netdev*, netdev_free);
231 #define _cleanup_netdev_free_ _cleanup_(netdev_freep)
233 int netdev_get(Manager *manager, const char *name, Netdev **ret);
234 int netdev_set_ifindex(Netdev *netdev, int ifindex);
235 int netdev_enslave(Netdev *netdev, Link *link, sd_rtnl_message_handler_t cb);
237 const char *netdev_kind_to_string(NetdevKind d) _const_;
238 NetdevKind netdev_kind_from_string(const char *d) _pure_;
240 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);
244 int network_load(Manager *manager);
246 void network_free(Network *network);
248 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
249 #define _cleanup_network_free_ _cleanup_(network_freep)
251 int network_get(Manager *manager, struct udev_device *device, Network **ret);
252 int network_apply(Manager *manager, Network *network, Link *link);
254 int config_parse_bridge(const char *unit, const char *filename, unsigned line,
255 const char *section, unsigned section_line, const char *lvalue,
256 int ltype, const char *rvalue, void *data, void *userdata);
258 int config_parse_bond(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_vlan(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);
268 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
271 int route_new_static(Network *network, unsigned section, Route **ret);
272 int route_new_dynamic(Route **ret);
273 void route_free(Route *route);
274 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
276 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
277 #define _cleanup_route_free_ _cleanup_(route_freep)
279 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
280 const char *section, unsigned section_line, const char *lvalue,
281 int ltype, const char *rvalue, void *data, void *userdata);
283 int config_parse_destination(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);
288 int address_new_static(Network *network, unsigned section, Address **ret);
289 int address_new_dynamic(Address **ret);
290 void address_free(Address *address);
291 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
292 int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
294 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
295 #define _cleanup_address_free_ _cleanup_(address_freep)
297 int config_parse_dns(const char *unit, const char *filename, unsigned line,
298 const char *section, unsigned section_line, const char *lvalue,
299 int ltype, const char *rvalue, void *data, void *userdata);
301 int config_parse_address(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_broadcast(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