/*
- * Copyright (c) 2008 Nicira Networks.
+ * Copyright (c) 2008, 2010, 2011, 2012 Nicira, Inc.
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#ifndef LEARNING_SWITCH_H
#define LEARNING_SWITCH_H 1
#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "ofp-util.h"
struct ofpbuf;
struct rconn;
-struct lswitch *lswitch_create(struct rconn *, bool learn_macs, int max_idle);
-void lswitch_run(struct lswitch *, struct rconn *);
+enum lswitch_mode {
+ LSW_NORMAL, /* Always use OFPP_NORMAL. */
+ LSW_FLOOD, /* Always use OFPP_FLOOD. */
+ LSW_LEARN /* Learn MACs at controller. */
+};
+
+struct lswitch_config {
+ enum lswitch_mode mode;
+
+ /* 0 to use exact-match flow entries,
+ * a OFPFW10_* bitmask to enable specific wildcards,
+ * or UINT32_MAX to use the default wildcards (wildcarding as many fields
+ * as possible.
+ *
+ * Ignored when max_idle < 0 (in which case no flows are set up). */
+ uint32_t wildcards;
+
+ /* <0: Process every packet at the controller.
+ * >=0: Expire flows after they are unused for 'max_idle' seconds.
+ * OFP_FLOW_PERMANENT: Set up permanent flows. */
+ int max_idle;
+
+ /* Optional "flow mod" requests to send to the switch at connection time,
+ * to set up the flow table. */
+ const struct ofputil_flow_mod *default_flows;
+ size_t n_default_flows;
+ enum ofputil_protocol usable_protocols;
+
+ /* The OpenFlow queue to use by default. Use UINT32_MAX to avoid
+ * specifying a particular queue. */
+ uint32_t default_queue;
+
+ /* Maps from a port name to a queue_id. */
+ const struct simap *port_queues;
+
+ /* If true, do not reply to any messages from the switch (for debugging
+ * fail-open mode). */
+ bool mute;
+};
+
+struct lswitch *lswitch_create(struct rconn *, const struct lswitch_config *);
+bool lswitch_is_alive(const struct lswitch *);
+void lswitch_set_queue(struct lswitch *sw, uint32_t queue);
+void lswitch_run(struct lswitch *);
void lswitch_wait(struct lswitch *);
void lswitch_destroy(struct lswitch *);
-void lswitch_process_packet(struct lswitch *, struct rconn *,
- const struct ofpbuf *);
+void lswitch_mute(struct lswitch *);
#endif /* learning-switch.h */