X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fdpif-provider.h;h=deb3bf283f8722df8f2378f750991a0ad04f95e8;hb=fec00620d6f2a011a0a1c1a18e0d061f59606113;hp=fddc8ea3271c5557feeb64ea2b8e966ee705321b;hpb=2ad2eb042517b975d761d456cceb5c9325c4aaa7;p=openvswitch

diff --git a/lib/dpif-provider.h b/lib/dpif-provider.h
index fddc8ea3..deb3bf28 100644
--- a/lib/dpif-provider.h
+++ b/lib/dpif-provider.h
@@ -18,10 +18,14 @@
 #define DPIF_PROVIDER_H 1
 
 /* Provider interface to dpifs, which provide an interface to an Open vSwitch
- * datapath. */
+ * datapath.  A datapath is a collection of physical or virtual ports that are
+ * exposed over OpenFlow as a single switch.  Datapaths and the collections of
+ * ports that they contain may be fixed or dynamic. */
 
 #include <assert.h>
+#include "openflow/openflow.h"
 #include "dpif.h"
+#include "util.h"
 
 #ifdef  __cplusplus
 extern "C" {
@@ -86,13 +90,14 @@ struct dpif_class {
 
     /* Attempts to open an existing dpif called 'name', if 'create' is false,
      * or to open an existing dpif or create a new one, if 'create' is true.
-     * 'type' corresponds to the 'type' field used in the dpif_class
-     * structure.
      *
-     * If successful, stores a pointer to the new dpif in '*dpifp'.  On failure
-     * there are no requirements on what is stored in '*dpifp'. */
-    int (*open)(const char *name, const char *type, bool create,
-                struct dpif **dpifp);
+     * 'dpif_class' is the class of dpif to open.
+     *
+     * If successful, stores a pointer to the new dpif in '*dpifp', which must
+     * have class 'dpif_class'.  On failure there are no requirements on what
+     * is stored in '*dpifp'. */
+    int (*open)(const struct dpif_class *dpif_class,
+                const char *name, bool create, struct dpif **dpifp);
 
     /* Closes 'dpif' and frees associated memory. */
     void (*close)(struct dpif *dpif);
@@ -133,10 +138,9 @@ struct dpif_class {
      * meaning is the same as for the get_drop_frags member function. */
     int (*set_drop_frags)(struct dpif *dpif, bool drop_frags);
 
-    /* Creates a new port in 'dpif' connected to network device 'devname'.
-     * 'flags' is a set of ODP_PORT_* flags.  If successful, sets '*port_no'
+    /* Adds 'netdev' as a new port in 'dpif'.  If successful, sets '*port_no'
      * to the new port's port number. */
-    int (*port_add)(struct dpif *dpif, const char *devname, uint16_t flags,
+    int (*port_add)(struct dpif *dpif, struct netdev *netdev,
                     uint16_t *port_no);
 
     /* Removes port numbered 'port_no' from 'dpif'. */
@@ -179,20 +183,6 @@ struct dpif_class {
      * value other than EAGAIN. */
     void (*port_poll_wait)(const struct dpif *dpif);
 
-    /* Stores in 'ports' the port numbers of up to 'n' ports that belong to
-     * 'group' in 'dpif'.  Returns the number of ports in 'group' (not the
-     * number stored), if successful, otherwise a negative errno value. */
-    int (*port_group_get)(const struct dpif *dpif, int group,
-                          uint16_t ports[], int n);
-
-    /* Changes port group 'group' in 'dpif' to consist of the 'n' ports whose
-     * numbers are given in 'ports'.
-     *
-     * Use the get_stats member function to obtain the number of supported port
-     * groups. */
-    int (*port_group_set)(struct dpif *dpif, int group,
-                          const uint16_t ports[], int n);
-
     /* For each flow 'flow' in the 'n' flows in 'flows':
      *
      * - If a flow matching 'flow->key' exists in 'dpif':
@@ -257,17 +247,10 @@ struct dpif_class {
      * 'n' flows).  On failure, returns a negative errno value. */
     int (*flow_list)(const struct dpif *dpif, struct odp_flow flows[], int n);
 
-    /* Performs the 'n_actions' actions in 'actions' on the Ethernet frame
-     * specified in 'packet'.
-     *
-     * Pretends that the frame was originally received on the port numbered
-     * 'in_port'.  This affects only ODPAT_OUTPUT_GROUP actions, which will not
-     * send a packet out their input port.  Specify the number of an unused
-     * port (e.g. UINT16_MAX is currently always unused) to avoid this
-     * behavior. */
-    int (*execute)(struct dpif *dpif, uint16_t in_port,
-                   const union odp_action actions[], int n_actions,
-                   const struct ofpbuf *packet);
+    /* Performs the 'actions_len' bytes of actions in 'actions' on the Ethernet
+     * frame specified in 'packet'. */
+    int (*execute)(struct dpif *dpif, const struct nlattr *actions,
+                   size_t actions_len, const struct ofpbuf *packet);
 
     /* Retrieves 'dpif''s "listen mask" into '*listen_mask'.  Each ODPL_* bit
      * set in '*listen_mask' indicates the 'dpif' will receive messages of the
@@ -298,10 +281,18 @@ struct dpif_class {
      * packet. */
     int (*set_sflow_probability)(struct dpif *dpif, uint32_t probability);
 
+    /* Translates OpenFlow queue ID 'queue_id' (in host byte order) into a
+     * priority value for use in the ODPAT_SET_PRIORITY action in
+     * '*priority'. */
+    int (*queue_to_priority)(const struct dpif *dpif, uint32_t queue_id,
+                             uint32_t *priority);
+
     /* Attempts to receive a message from 'dpif'.  If successful, stores the
      * message into '*packetp'.  The message, if one is received, must begin
-     * with 'struct odp_msg' as a header.  Only messages of the types selected
-     * with the set_listen_mask member function should be received.
+     * with 'struct odp_msg' as a header, and must have at least
+     * DPIF_RECV_MSG_PADDING bytes of headroom (allocated using
+     * e.g. ofpbuf_reserve()).  Only messages of the types selected with the
+     * set_listen_mask member function should be received.
      *
      * This function must not block.  If no message is ready to be received
      * when it is called, it should return EAGAIN without blocking. */