2 * Copyright (c) 2008, 2009, 2010 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
29 /* Priority of the rule added by the fail-open subsystem when a switch enters
30 * fail-open mode. This priority value uniquely identifies a fail-open flow
31 * (OpenFlow priorities max out at 65535 and nothing else in Open vSwitch
32 * creates flows with this priority). And "f0" is mnemonic for "fail open"! */
33 #define FAIL_OPEN_PRIORITY 0xf0f0f0
35 struct fail_open *fail_open_create(struct ofproto *, struct switch_status *);
36 void fail_open_set_controllers(struct fail_open *, struct rconn **, size_t n);
37 void fail_open_destroy(struct fail_open *);
38 void fail_open_wait(struct fail_open *);
39 bool fail_open_is_active(const struct fail_open *);
40 void fail_open_run(struct fail_open *);
41 void fail_open_maybe_recover(struct fail_open *);
42 void fail_open_flushed(struct fail_open *);
44 #endif /* fail-open.h */