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git.proxmox.com Git - ovs.git/blob - lib/learning-switch.h
2 * Copyright (c) 2008, 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.
17 #ifndef LEARNING_SWITCH_H
18 #define LEARNING_SWITCH_H 1
28 LSW_NORMAL
, /* Always use OFPP_NORMAL. */
29 LSW_FLOOD
, /* Always use OFPP_FLOOD. */
30 LSW_LEARN
/* Learn MACs at controller. */
33 struct lswitch_config
{
34 enum lswitch_mode mode
;
36 /* Set up only exact-match flows? */
39 /* <0: Process every packet at the controller.
40 * >=0: Expire flows after they are unused for 'max_idle' seconds.
41 * OFP_FLOW_PERMANENT: Set up permanent flows. */
44 /* Optionally, a chain of one or more OpenFlow messages to send to the
45 * switch at time of connection. Presumably these will be OFPT_FLOW_MOD
46 * requests to set up the flow table. */
47 const struct ofpbuf
*default_flows
;
49 /* The OpenFlow queue used by packets and flows set up by 'sw'. Use
50 * UINT32_MAX to avoid specifying a particular queue. */
54 struct lswitch
*lswitch_create(struct rconn
*, const struct lswitch_config
*);
55 void lswitch_set_queue(struct lswitch
*sw
, uint32_t queue
);
56 void lswitch_run(struct lswitch
*);
57 void lswitch_wait(struct lswitch
*);
58 void lswitch_destroy(struct lswitch
*);
59 void lswitch_process_packet(struct lswitch
*, struct rconn
*,
60 const struct ofpbuf
*);
63 #endif /* learning-switch.h */