/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#ifndef DPIF_H
#define DPIF_H 1
-/* Operations for the datapath running in the local kernel. The interface can
- * generalize to multiple types of local datapaths, but the implementation only
- * supports the openflow kernel module. */
-
-#include "openvswitch/datapath-protocol.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
+#include "openflow/openflow.h"
+#include "openvswitch/datapath-protocol.h"
+#include "util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
struct dpif;
struct ofpbuf;
struct svec;
+struct dpif_class;
void dp_run(void);
void dp_wait(void);
-int dp_enumerate(struct svec *);
-int dpif_open(const char *name, struct dpif **);
-int dpif_create(const char *name, struct dpif **);
+int dp_register_provider(const struct dpif_class *);
+int dp_unregister_provider(const char *type);
+void dp_enumerate_types(struct svec *types);
+
+int dp_enumerate_names(const char *type, struct svec *names);
+void dp_parse_name(const char *datapath_name, char **name, char **type);
+
+int dpif_open(const char *name, const char *type, struct dpif **);
+int dpif_create(const char *name, const char *type, struct dpif **);
+int dpif_create_and_open(const char *name, const char *type, struct dpif **);
void dpif_close(struct dpif *);
const char *dpif_name(const struct dpif *);
+const char *dpif_base_name(const struct dpif *);
int dpif_get_all_names(const struct dpif *, struct svec *);
int dpif_delete(struct dpif *);
int dpif_port_poll(const struct dpif *, char **devnamep);
void dpif_port_poll_wait(const struct dpif *);
-int dpif_port_group_get(const struct dpif *, uint16_t group,
- uint16_t **ports, size_t *n_ports);
-int dpif_port_group_set(struct dpif *, uint16_t group,
- const uint16_t ports[], size_t n_ports);
-
int dpif_flow_flush(struct dpif *);
int dpif_flow_put(struct dpif *, struct odp_flow_put *);
int dpif_flow_del(struct dpif *, struct odp_flow *);
int dpif_flow_list_all(const struct dpif *,
struct odp_flow **flowsp, size_t *np);
-int dpif_execute(struct dpif *, uint16_t in_port,
- const union odp_action[], size_t n_actions,
+int dpif_execute(struct dpif *, const union odp_action[], size_t n_actions,
const struct ofpbuf *);
+/* Minimum number of bytes of headroom for a packet returned by dpif_recv()
+ * member function. This headroom allows "struct odp_msg" to be replaced by
+ * "struct ofp_packet_in" without copying the buffer. */
+#define DPIF_RECV_MSG_PADDING (sizeof(struct ofp_packet_in) \
+ - sizeof(struct odp_msg))
+BUILD_ASSERT_DECL(sizeof(struct ofp_packet_in) > sizeof(struct odp_msg));
+BUILD_ASSERT_DECL(DPIF_RECV_MSG_PADDING % 4 == 0);
+
int dpif_recv_get_mask(const struct dpif *, int *listen_mask);
int dpif_recv_set_mask(struct dpif *, int listen_mask);
+int dpif_get_sflow_probability(const struct dpif *, uint32_t *probability);
+int dpif_set_sflow_probability(struct dpif *, uint32_t probability);
int dpif_recv(struct dpif *, struct ofpbuf **);
int dpif_recv_purge(struct dpif *);
void dpif_recv_wait(struct dpif *);
void dpif_get_netflow_ids(const struct dpif *,
uint8_t *engine_type, uint8_t *engine_id);
+int dpif_queue_to_priority(const struct dpif *, uint32_t queue_id,
+ uint32_t *priority);
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* dpif.h */