X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fdpif-provider.h;h=b2f9d4bd1bfc7c856b799c6a29a3dade628ac821;hb=480ce8ab;hp=33663ff47358f3de93c3900f10667f5e19b93674;hpb=43253595291318833572088595769b45a79c9c54;p=openvswitch

diff --git a/lib/dpif-provider.h b/lib/dpif-provider.h
index 33663ff4..b2f9d4bd 100644
--- a/lib/dpif-provider.h
+++ b/lib/dpif-provider.h
@@ -18,7 +18,9 @@
 #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"
@@ -300,6 +302,12 @@ 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, and must have at least