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>
31 #include "rtnl-util.h"
35 typedef struct Bridge Bridge;
36 typedef struct Network Network;
37 typedef struct Link Link;
38 typedef struct Address Address;
39 typedef struct Route Route;
40 typedef struct Manager Manager;
42 typedef struct bridge_join_callback bridge_join_callback;
44 struct bridge_join_callback {
45 sd_rtnl_message_handler_t callback;
48 LIST_FIELDS(bridge_join_callback, callbacks);
51 typedef enum BridgeState {
53 BRIDGE_STATE_CREATING,
57 _BRIDGE_STATE_INVALID = -1,
71 LIST_HEAD(bridge_join_callback, callbacks);
79 struct ether_addr *match_mac;
88 LIST_HEAD(Address, addresses);
89 LIST_HEAD(Route, routes);
91 Hashmap *addresses_by_section;
92 Hashmap *routes_by_section;
94 LIST_FIELDS(Network, networks);
101 unsigned char family;
102 unsigned char prefixlen;
105 struct in_addr netmask;
112 LIST_FIELDS(Address, addresses);
119 unsigned char family;
120 unsigned char dst_prefixlen;
132 LIST_FIELDS(Route, routes);
135 typedef enum LinkState {
136 LINK_STATE_JOIN_BRIDGE,
137 LINK_STATE_BRIDGE_JOINED,
138 LINK_STATE_SET_ADDRESSES,
139 LINK_STATE_ADDRESSES_SET,
140 LINK_STATE_SET_ROUTES,
141 LINK_STATE_CONFIGURED,
144 _LINK_STATE_INVALID = -1
152 struct ether_addr mac;
160 unsigned rtnl_messages;
167 struct udev_monitor *udev_monitor;
168 sd_event_source *udev_event_source;
172 LIST_HEAD(Network, networks);
175 usec_t network_dirs_ts_usec;
180 int manager_new(Manager **ret);
181 void manager_free(Manager *m);
183 int manager_load_config(Manager *m);
184 bool manager_should_reload(Manager *m);
186 int manager_udev_enumerate_links(Manager *m);
187 int manager_udev_listen(Manager *m);
189 int manager_rtnl_listen(Manager *m);
191 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
192 #define _cleanup_manager_free_ _cleanup_(manager_freep)
196 int bridge_load(Manager *manager);
198 void bridge_free(Bridge *bridge);
200 DEFINE_TRIVIAL_CLEANUP_FUNC(Bridge*, bridge_free);
201 #define _cleanup_bridge_free_ _cleanup_(bridge_freep)
203 int bridge_get(Manager *manager, const char *name, Bridge **ret);
204 int bridge_set_link(Manager *m, Link *link);
205 int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t cb);
209 int network_load(Manager *manager);
211 void network_free(Network *network);
213 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
214 #define _cleanup_network_free_ _cleanup_(network_freep)
216 int network_get(Manager *manager, struct udev_device *device, Network **ret);
217 int network_apply(Manager *manager, Network *network, Link *link);
219 int config_parse_bridge(const char *unit, const char *filename, unsigned line,
220 const char *section, unsigned section_line, const char *lvalue,
221 int ltype, const char *rvalue, void *data, void *userdata);
225 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
228 int route_new(Network *network, unsigned section, Route **ret);
229 void route_free(Route *route);
230 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
232 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
233 #define _cleanup_route_free_ _cleanup_(route_freep)
235 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
236 const char *section, unsigned section_line, const char *lvalue,
237 int ltype, const char *rvalue, void *data, void *userdata);
239 int config_parse_destination(const char *unit, const char *filename, unsigned line,
240 const char *section, unsigned section_line, const char *lvalue,
241 int ltype, const char *rvalue, void *data, void *userdata);
244 int address_new(Network *network, unsigned section, Address **ret);
245 void address_free(Address *address);
246 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
248 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
249 #define _cleanup_address_free_ _cleanup_(address_freep)
251 int config_parse_address(const char *unit, const char *filename, unsigned line,
252 const char *section, unsigned section_line, const char *lvalue,
253 int ltype, const char *rvalue, void *data, void *userdata);
255 int config_parse_label(const char *unit, const char *filename, unsigned line,
256 const char *section, unsigned section_line, const char *lvalue,
257 int ltype, const char *rvalue, void *data, void *userdata);
261 int link_new(Manager *manager, struct udev_device *device, Link **ret);
262 void link_free(Link *link);
263 int link_add(Manager *manager, struct udev_device *device);
264 int link_configure(Link *link);
266 int link_update_flags(Link *link, unsigned flags);
268 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
269 #define _cleanup_link_free_ _cleanup_(link_freep)