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_ROUTES_SET,
142 LINK_STATE_CONFIGURED,
145 _LINK_STATE_INVALID = -1
153 struct ether_addr mac;
161 unsigned rtnl_messages;
168 struct udev_monitor *udev_monitor;
169 sd_event_source *udev_event_source;
173 LIST_HEAD(Network, networks);
176 usec_t network_dirs_ts_usec;
181 int manager_new(Manager **ret);
182 void manager_free(Manager *m);
184 int manager_load_config(Manager *m);
185 bool manager_should_reload(Manager *m);
187 int manager_udev_enumerate_links(Manager *m);
188 int manager_udev_listen(Manager *m);
190 int manager_rtnl_listen(Manager *m);
192 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
193 #define _cleanup_manager_free_ _cleanup_(manager_freep)
197 int bridge_load(Manager *manager);
199 void bridge_free(Bridge *bridge);
201 DEFINE_TRIVIAL_CLEANUP_FUNC(Bridge*, bridge_free);
202 #define _cleanup_bridge_free_ _cleanup_(bridge_freep)
204 int bridge_get(Manager *manager, const char *name, Bridge **ret);
205 int bridge_set_link(Manager *m, Link *link);
206 int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t cb);
210 int network_load(Manager *manager);
212 void network_free(Network *network);
214 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
215 #define _cleanup_network_free_ _cleanup_(network_freep)
217 int network_get(Manager *manager, struct udev_device *device, Network **ret);
218 int network_apply(Manager *manager, Network *network, Link *link);
220 int config_parse_bridge(const char *unit, const char *filename, unsigned line,
221 const char *section, unsigned section_line, const char *lvalue,
222 int ltype, const char *rvalue, void *data, void *userdata);
226 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
229 int route_new(Network *network, unsigned section, Route **ret);
230 void route_free(Route *route);
231 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
233 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
234 #define _cleanup_route_free_ _cleanup_(route_freep)
236 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
237 const char *section, unsigned section_line, const char *lvalue,
238 int ltype, const char *rvalue, void *data, void *userdata);
240 int config_parse_destination(const char *unit, const char *filename, unsigned line,
241 const char *section, unsigned section_line, const char *lvalue,
242 int ltype, const char *rvalue, void *data, void *userdata);
245 int address_new(Network *network, unsigned section, Address **ret);
246 void address_free(Address *address);
247 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
249 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
250 #define _cleanup_address_free_ _cleanup_(address_freep)
252 int config_parse_address(const char *unit, const char *filename, unsigned line,
253 const char *section, unsigned section_line, const char *lvalue,
254 int ltype, const char *rvalue, void *data, void *userdata);
256 int config_parse_label(const char *unit, const char *filename, unsigned line,
257 const char *section, unsigned section_line, const char *lvalue,
258 int ltype, const char *rvalue, void *data, void *userdata);
262 int link_new(Manager *manager, struct udev_device *device, Link **ret);
263 void link_free(Link *link);
264 int link_add(Manager *manager, struct udev_device *device);
265 int link_configure(Link *link);
267 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
268 #define _cleanup_link_free_ _cleanup_(link_freep)