X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ofproto%2Fpktbuf.c;h=71be34a61fa433539e456ca95c9befd21f1ba252;hb=bd2ccd1280b7b2b78e14abc78a4a07286a2f6c8d;hp=23c01e0326c6e3da01ce075da79e03bb60dfe002;hpb=90bf1e0732ac9b11dd51ca856b635cac1f0269c1;p=sliver-openvswitch.git

diff --git a/ofproto/pktbuf.c b/ofproto/pktbuf.c
index 23c01e032..71be34a61 100644
--- a/ofproto/pktbuf.c
+++ b/ofproto/pktbuf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -232,3 +232,23 @@ pktbuf_discard(struct pktbuf *pb, uint32_t id)
         p->buffer = NULL;
     }
 }
+
+/* Returns the number of packets buffered in 'pb'.  Returns 0 if 'pb' is
+ * null. */
+unsigned int
+pktbuf_count_packets(const struct pktbuf *pb)
+{
+    int n = 0;
+
+    if (pb) {
+        int i;
+
+        for (i = 0; i < PKTBUF_CNT; i++) {
+            if (pb->packets[i].buffer) {
+                n++;
+            }
+        }
+    }
+
+    return n;
+}