-/* Copyright (C) 2008 Board of Trustees, Leland Stanford Jr. University.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
+ * Junior University
+ *
+ * We are making the OpenFlow specification and associated documentation
+ * (Software) available for public use and benefit with the expectation
+ * that others will use, modify and enhance the Software and contribute
+ * those enhancements back to the community. However, since we would
+ * like to make the Software available for broadest use, with as few
+ * restrictions as possible permission is hereby granted, free of
+ * charge, to any person obtaining a copy of this Software to deal in
+ * the Software under the copyrights without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The name and trademarks of copyright holder(s) may NOT be used in
+ * advertising or publicity pertaining to the Software or any
+ * derivatives without specific, written prior permission.
*/
#ifndef SWITCH_FLOW_H
#define SWITCH_FLOW_H 1
#include <time.h>
+#include "openflow/openflow.h"
#include "flow.h"
#include "list.h"
struct sw_flow_key {
struct flow flow; /* Flow data (in network byte order). */
uint32_t wildcards; /* Wildcard fields (in host byte order). */
+ uint32_t nw_src_mask; /* 1-bit in each significant nw_src bit. */
+ uint32_t nw_dst_mask; /* 1-bit in each significant nw_dst bit. */
};
-/* Maximum number of actions in a single flow entry. */
-#define MAX_ACTIONS 16
+struct sw_flow_actions {
+ size_t actions_len;
+ struct ofp_action_header actions[0];
+};
struct sw_flow {
struct sw_flow_key key;
- uint32_t group_id; /* Flow group ID (for QoS). */
- uint16_t max_idle; /* Idle time before discarding (seconds). */
+ uint16_t priority; /* Only used on entries with wildcards. */
+ uint16_t idle_timeout; /* Idle time before discarding (seconds). */
+ uint16_t hard_timeout; /* Hard expiration time (seconds) */
+ time_t used; /* Last used time. */
time_t created; /* When the flow was created. */
- time_t timeout; /* When the flow expires (if idle). */
uint64_t packet_count; /* Number of packets seen. */
uint64_t byte_count; /* Number of bytes seen. */
- struct list node;
+ uint8_t reason; /* Reason flow expired (one of OFPER_*). */
- /* Actions (XXX probably most flows have only a single action). */
- unsigned int n_actions;
- struct ofp_action *actions;
+ struct sw_flow_actions *sf_acts;
+
+ /* Private to table implementations. */
+ struct list node;
+ struct list iter_node;
+ unsigned long int serial;
};
-int flow_matches(const struct sw_flow_key *, const struct sw_flow_key *);
-int flow_del_matches(const struct sw_flow_key *, const struct sw_flow_key *,
+int flow_matches_1wild(const struct sw_flow_key *, const struct sw_flow_key *);
+int flow_matches_2wild(const struct sw_flow_key *, const struct sw_flow_key *);
+int flow_matches_desc(const struct sw_flow_key *, const struct sw_flow_key *,
int);
-struct sw_flow *flow_alloc(int n_actions);
+struct sw_flow *flow_alloc(size_t);
void flow_free(struct sw_flow *);
void flow_deferred_free(struct sw_flow *);
+void flow_deferred_free_acts(struct sw_flow_actions *);
+void flow_replace_acts(struct sw_flow *, const struct ofp_action_header *,
+ size_t);
void flow_extract_match(struct sw_flow_key* to, const struct ofp_match* from);
void flow_fill_match(struct ofp_match* to, const struct sw_flow_key* from);
void print_flow(const struct sw_flow_key *);
-int flow_timeout(struct sw_flow *flow);
-void flow_used(struct sw_flow *flow, struct buffer *buffer);
+bool flow_timeout(struct sw_flow *flow);
+void flow_used(struct sw_flow *flow, struct ofpbuf *buffer);
#endif /* switch-flow.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff