2 * Copyright (c) 2008, 2010, 2011, 2012 Nicira, Inc.
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 /* 0 to use exact-match flow entries,
37 * a OFPFW10_* bitmask to enable specific wildcards,
38 * or UINT32_MAX to use the default wildcards (wildcarding as many fields
41 * Ignored when max_idle < 0 (in which case no flows are set up). */
44 /* <0: Process every packet at the controller.
45 * >=0: Expire flows after they are unused for 'max_idle' seconds.
46 * OFP_FLOW_PERMANENT: Set up permanent flows. */
49 /* Optional "flow mod" requests to send to the switch at connection time,
50 * to set up the flow table. */
51 const struct ofputil_flow_mod *default_flows;
52 size_t n_default_flows;
54 /* The OpenFlow queue to use by default. Use UINT32_MAX to avoid
55 * specifying a particular queue. */
56 uint32_t default_queue;
58 /* Maps from a port name to a queue_id. */
59 const struct simap *port_queues;
62 struct lswitch *lswitch_create(struct rconn *, const struct lswitch_config *);
63 void lswitch_set_queue(struct lswitch *sw, uint32_t queue);
64 void lswitch_run(struct lswitch *);
65 void lswitch_wait(struct lswitch *);
66 void lswitch_destroy(struct lswitch *);
67 void lswitch_process_packet(struct lswitch *, struct rconn *,
68 const struct ofpbuf *);
71 #endif /* learning-switch.h */