-int dpif_flow_put(struct dpif *, struct odp_flow_put *);
-int dpif_flow_del(struct dpif *, struct odp_flow *);
-int dpif_flow_get(const struct dpif *, struct odp_flow *);
-int dpif_flow_get_multiple(const struct dpif *, struct odp_flow[], size_t n);
-int dpif_flow_list(const struct dpif *, struct odp_flow[], size_t n,
- size_t *n_out);
-int dpif_flow_list_all(const struct dpif *,
- struct odp_flow **flowsp, size_t *np);
-
-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_flow_put(struct dpif *, enum dpif_flow_put_flags,
+ const struct nlattr *key, size_t key_len,
+ const struct nlattr *actions, size_t actions_len,
+ struct dpif_flow_stats *);
+int dpif_flow_del(struct dpif *,
+ const struct nlattr *key, size_t key_len,
+ struct dpif_flow_stats *);
+int dpif_flow_get(const struct dpif *,
+ const struct nlattr *key, size_t key_len,
+ struct ofpbuf **actionsp, struct dpif_flow_stats *);
+
+struct dpif_flow_dump {
+ const struct dpif *dpif;
+ int error;
+ void *state;
+};
+void dpif_flow_dump_start(struct dpif_flow_dump *, const struct dpif *);
+bool dpif_flow_dump_next(struct dpif_flow_dump *,
+ const struct nlattr **key, size_t *key_len,
+ const struct nlattr **actions, size_t *actions_len,
+ const struct dpif_flow_stats **);
+int dpif_flow_dump_done(struct dpif_flow_dump *);
+
+int dpif_execute(struct dpif *, const struct nlattr *actions,
+ size_t actions_len, const struct ofpbuf *);
+
+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_N_UC_TYPES
+};
+
+/* A packet passed up from the datapath to userspace.
+ *
+ * If 'key' or 'actions' is nonnull, then it points into data owned by
+ * 'packet', so their memory cannot be freed separately. (This is hardly a
+ * great way to do things but it works out OK for the dpif providers and
+ * clients that exist so far.)
+ */
+struct dpif_upcall {
+ /* All types. */
+ enum dpif_upcall_type type;
+ struct ofpbuf *packet; /* Packet data. */
+ struct nlattr *key; /* Flow key. */
+ 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;
+};