wdp-xflow: Remove wx structure from global list when closing.

[sliver-openvswitch.git] / lib / xfif-provider.h

diff --git a/lib/xfif-provider.h b/lib/xfif-provider.h
index 3b42797..baf8bc9 100644 (file)
--- a/lib/xfif-provider.h
+++ b/lib/xfif-provider.h
@@ -18,7 +18,9 @@
 #define XFIF_PROVIDER_H 1
 
 /* Provider interface to xfifs, 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"
@@ -302,6 +304,12 @@ struct xfif_class {
      * packet. */
     int (*set_sflow_probability)(struct xfif *xfif, uint32_t probability);
 
+    /* Translates OpenFlow queue ID 'queue_id' (in host byte order) into a
+     * priority value for use in the XFLOWAT_SET_PRIORITY action in
+     * '*priority'. */
+    int (*queue_to_priority)(const struct xfif *xfif, uint32_t queue_id,
+                             uint32_t *priority);
+
     /* Attempts to receive a message from 'xfif'.  If successful, stores the
      * message into '*packetp'.  The message, if one is received, must begin
      * with 'struct xflow_msg' as a header, and must have at least
@@ -318,14 +326,6 @@ struct xfif_class {
     void (*recv_wait)(struct xfif *xfif);
 };
 
-/* Minimum number of bytes of headroom for a packet returned by the 'recv'
- * member function (see above).  This headroom allows "struct xflow_msg" to be
- * replaced by "struct ofp_packet_in" without copying the buffer. */
-#define XFIF_RECV_MSG_PADDING (sizeof(struct ofp_packet_in) \
-                               - sizeof(struct xflow_msg))
-BUILD_ASSERT_DECL(sizeof(struct ofp_packet_in) > sizeof(struct xflow_msg));
-BUILD_ASSERT_DECL(XFIF_RECV_MSG_PADDING % 4 == 0);
-
 extern const struct xfif_class xfif_linux_class;
 extern const struct xfif_class xfif_netdev_class;