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 list of one or more "struct ofpbuf"s containing OpenFlow
45 * messages to send to the switch at time of connection. Presumably these
46 * will be OFPT_FLOW_MOD requests to set up the flow table. */
47 const struct list *default_flows;
49 /* The OpenFlow queue to use by default. Use UINT32_MAX to avoid
50 * specifying a particular queue. */
51 uint32_t default_queue;
53 /* Maps from a port name to a queue_id (cast to void *). */
54 const struct shash *port_queues;
57 struct lswitch *lswitch_create(struct rconn *, const struct lswitch_config *);
58 void lswitch_set_queue(struct lswitch *sw, uint32_t queue);
59 void lswitch_run(struct lswitch *);
60 void lswitch_wait(struct lswitch *);
61 void lswitch_destroy(struct lswitch *);
62 void lswitch_process_packet(struct lswitch *, struct rconn *,
63 const struct ofpbuf *);
66 #endif /* learning-switch.h */