X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdpif.h;h=1496c227f3c63e8f842d6cad1dab43ba928cbce6;hb=c5cd8b2ef14fa258f57ac5046ca3e85d97cd7650;hp=f31fb3b9a0fe97ff83359a87794793fbb1561d78;hpb=bd193a0abafc249745ceb1a14165b54abbf6497c;p=sliver-openvswitch.git

diff --git a/lib/dpif.h b/lib/dpif.h
index f31fb3b9a..1496c227f 100644
--- a/lib/dpif.h
+++ b/lib/dpif.h
@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -18,32 +18,40 @@
 #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);
 
-/* A datapath interface.  Opaque. */
-struct dpif {
-    unsigned int minor;         /* For use in error messages. */
-    int fd;
-};
+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(struct svec *);
+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, struct dpif *);
-int dpif_create(const char *name, struct dpif *);
+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 *);
 
-static inline unsigned int dpif_id(const struct dpif *dpif);
-int dpif_get_name(struct dpif *, char *name, size_t name_size);
+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 *);
 
@@ -51,25 +59,24 @@ 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);
 
-int dpif_get_listen_mask(const struct dpif *, int *listen_mask);
-int dpif_set_listen_mask(struct dpif *, int listen_mask);
-int dpif_purge(struct dpif *);
-
-int dpif_port_add(struct dpif *, const char *devname, uint16_t port_no,
-                  uint16_t flags);
+int dpif_port_add(struct dpif *, const char *devname, uint16_t flags,
+                  uint16_t *port_no);
 int dpif_port_del(struct dpif *, uint16_t port_no);
 int dpif_port_query_by_number(const struct dpif *, uint16_t port_no,
                               struct odp_port *);
 int dpif_port_query_by_name(const struct dpif *, const char *devname,
                             struct odp_port *);
-int dpif_port_get_name(struct dpif *dpif, uint16_t port_no,
+int dpif_port_get_name(struct dpif *, uint16_t port_no,
                        char *name, size_t name_size);
 int dpif_port_list(const struct dpif *, struct odp_port **, size_t *n_ports);
 
+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_port_group_get(const struct dpif *, uint16_t group,
-                        uint16_t ports[], size_t n_ports, size_t *n_out);
 
 int dpif_flow_flush(struct dpif *);
 int dpif_flow_put(struct dpif *, struct odp_flow_put *);
@@ -85,23 +92,30 @@ int dpif_execute(struct dpif *, uint16_t in_port,
                  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 *);
 
-static inline unsigned int
-dpif_id(const struct dpif *dpif)
-{
-    return dpif->minor;
-}
-
-struct dpifmon;
-
-int dpifmon_create(const char *datapath_name, struct dpifmon **);
-void dpifmon_destroy(struct dpifmon *);
+void dpif_get_netflow_ids(const struct dpif *,
+                          uint8_t *engine_type, uint8_t *engine_id);
 
-int dpifmon_poll(struct dpifmon *, char **devnamep);
+int dpif_queue_to_priority(const struct dpif *, uint32_t queue_id,
+                           uint32_t *priority);
 
-void dpifmon_run(struct dpifmon *);
-void dpifmon_wait(struct dpifmon *);
+#ifdef  __cplusplus
+}
+#endif
 
 #endif /* dpif.h */