/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
+#include <linux/openvswitch.h>
#include "openflow/openflow.h"
-#include "openvswitch/datapath-protocol.h"
#include "netdev.h"
#include "util.h"
struct dpif;
struct ds;
+struct flow;
struct nlattr;
struct ofpbuf;
struct sset;
int dp_register_provider(const struct dpif_class *);
int dp_unregister_provider(const char *type);
+void dp_blacklist_provider(const char *type);
void dp_enumerate_types(struct sset *types);
const char *dpif_normalize_type(const char *);
int dpif_delete(struct dpif *);
-int dpif_get_dp_stats(const struct dpif *, struct odp_stats *);
-int dpif_get_drop_frags(const struct dpif *, bool *drop_frags);
-int dpif_set_drop_frags(struct dpif *, bool drop_frags);
+/* Statisticss for a dpif as a whole. */
+struct dpif_dp_stats {
+ uint64_t n_hit; /* Number of flow table matches. */
+ uint64_t n_missed; /* Number of flow table misses. */
+ uint64_t n_lost; /* Number of misses not sent to userspace. */
+ uint64_t n_flows; /* Number of flows present. */
+};
+int dpif_get_dp_stats(const struct dpif *, struct dpif_dp_stats *);
+
+\f
+/* Port operations. */
int dpif_port_add(struct dpif *, struct netdev *, uint16_t *port_nop);
int dpif_port_del(struct dpif *, uint16_t port_no);
char *name; /* Network device name, e.g. "eth0". */
char *type; /* Network device type, e.g. "system". */
uint32_t port_no; /* Port number within datapath. */
- struct netdev_stats stats; /* Port statistics. */
};
void dpif_port_clone(struct dpif_port *, const struct dpif_port *);
void dpif_port_destroy(struct dpif_port *);
int dpif_port_get_name(struct dpif *, uint16_t port_no,
char *name, size_t name_size);
int dpif_get_max_ports(const struct dpif *);
+uint32_t dpif_port_get_pid(const struct dpif *, uint16_t port_no);
struct dpif_port_dump {
const struct dpif *dpif;
int dpif_port_poll(const struct dpif *, char **devnamep);
void dpif_port_poll_wait(const struct dpif *);
+\f
+/* Flow table operations. */
struct dpif_flow_stats {
uint64_t n_packets;
uint8_t tcp_flags;
};
+void dpif_flow_stats_extract(const struct flow *, const struct ofpbuf *packet,
+ struct dpif_flow_stats *);
void dpif_flow_stats_format(const struct dpif_flow_stats *, struct ds *);
enum dpif_flow_put_flags {
const struct nlattr **actions, size_t *actions_len,
const struct dpif_flow_stats **);
int dpif_flow_dump_done(struct dpif_flow_dump *);
+\f
+/* Packet operations. */
+
+int dpif_execute(struct dpif *,
+ const struct nlattr *key, size_t key_len,
+ const struct nlattr *actions, size_t actions_len,
+ const struct ofpbuf *);
+\f
+/* Operation batching interface.
+ *
+ * Some datapaths are faster at performing N operations together than the same
+ * N operations individually, hence an interface for batching.
+ */
+
+enum dpif_op_type {
+ DPIF_OP_FLOW_PUT = 1,
+ DPIF_OP_FLOW_DEL,
+ DPIF_OP_EXECUTE,
+};
+
+struct dpif_flow_put {
+ /* Input. */
+ enum dpif_flow_put_flags flags; /* DPIF_FP_*. */
+ const struct nlattr *key; /* Flow to put. */
+ size_t key_len; /* Length of 'key' in bytes. */
+ const struct nlattr *actions; /* Actions to perform on flow. */
+ size_t actions_len; /* Length of 'actions' in bytes. */
-int dpif_execute(struct dpif *, const struct nlattr *actions,
- size_t actions_len, const struct ofpbuf *);
+ /* Output. */
+ struct dpif_flow_stats *stats; /* Optional flow statistics. */
+};
+
+struct dpif_flow_del {
+ /* Input. */
+ const struct nlattr *key; /* Flow to delete. */
+ size_t key_len; /* Length of 'key' in bytes. */
+
+ /* Output. */
+ struct dpif_flow_stats *stats; /* Optional flow statistics. */
+};
+
+struct dpif_execute {
+ const struct nlattr *key; /* Partial flow key (only for metadata). */
+ size_t key_len; /* Length of 'key' in bytes. */
+ const struct nlattr *actions; /* Actions to execute on packet. */
+ size_t actions_len; /* Length of 'actions' in bytes. */
+ const struct ofpbuf *packet; /* Packet to execute. */
+};
+
+struct dpif_op {
+ enum dpif_op_type type;
+ int error;
+ union {
+ struct dpif_flow_put flow_put;
+ struct dpif_flow_del flow_del;
+ struct dpif_execute execute;
+ } u;
+};
+
+void dpif_operate(struct dpif *, struct dpif_op **ops, size_t n_ops);
+\f
+/* Upcalls. */
enum dpif_upcall_type {
DPIF_UC_MISS, /* Miss in flow table. */
- DPIF_UC_ACTION, /* ODP_ACTION_ATTR_CONTROLLER action. */
- DPIF_UC_SAMPLE, /* Packet sampling. */
+ DPIF_UC_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
DPIF_N_UC_TYPES
};
+const char *dpif_upcall_type_to_string(enum dpif_upcall_type);
+
/* A packet passed up from the datapath to userspace.
*
* If 'key' or 'actions' is nonnull, then it points into data owned by
size_t key_len; /* Length of 'key' in bytes. */
/* DPIF_UC_ACTION only. */
- uint64_t userdata; /* Argument to ODP_ACTION_ATTR_CONTROLLER. */
-
- /* DPIF_UC_SAMPLE only. */
- uint32_t sample_pool; /* # of sampling candidate packets so far. */
- struct nlattr *actions; /* Associated flow actions. */
- size_t actions_len;
+ uint64_t userdata; /* Argument to OVS_ACTION_ATTR_USERSPACE. */
};
-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 dpif_upcall *);
+int dpif_recv_set(struct dpif *, bool enable);
+int dpif_recv(struct dpif *, struct dpif_upcall *, struct ofpbuf *);
void dpif_recv_purge(struct dpif *);
void dpif_recv_wait(struct dpif *);
+\f
+/* Miscellaneous. */
void dpif_get_netflow_ids(const struct dpif *,
uint8_t *engine_type, uint8_t *engine_id);
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