X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofpbuf.h;h=ad37b5b4c5e2801ee12ef45a2f60750e0276bde2;hb=8a9562d21a40c765a8ae6775a070cb279cb2147a;hp=8b03c7efa56595e66b374f1efbd4ac258b99df5c;hpb=125638ebd7fa77fb98710ae0eb91b25172f9f725;p=sliver-openvswitch.git

diff --git a/lib/ofpbuf.h b/lib/ofpbuf.h
index 8b03c7efa..ad37b5b4c 100644
--- a/lib/ofpbuf.h
+++ b/lib/ofpbuf.h
@@ -29,7 +29,9 @@ extern "C" {
 enum ofpbuf_source {
     OFPBUF_MALLOC,              /* Obtained via malloc(). */
     OFPBUF_STACK,               /* Un-movable stack space or static buffer. */
-    OFPBUF_STUB                 /* Starts on stack, may expand into heap. */
+    OFPBUF_STUB,                /* Starts on stack, may expand into heap. */
+    OFPBUF_DPDK,                /* buffer data is from DPDK allocated memory.
+                                   ref to build_ofpbuf() in netdev-dpdk. */
 };
 
 /* Buffer for holding arbitrary data.  An ofpbuf is automatically reallocated
@@ -82,6 +84,8 @@ void *ofpbuf_put_zeros(struct ofpbuf *, size_t);
 void *ofpbuf_put(struct ofpbuf *, const void *, size_t);
 char *ofpbuf_put_hex(struct ofpbuf *, const char *s, size_t *n);
 void ofpbuf_reserve(struct ofpbuf *, size_t);
+void ofpbuf_reserve_with_tailroom(struct ofpbuf *b, size_t headroom,
+                                  size_t tailroom);
 void *ofpbuf_push_uninit(struct ofpbuf *b, size_t);
 void *ofpbuf_push_zeros(struct ofpbuf *, size_t);
 void *ofpbuf_push(struct ofpbuf *b, const void *, size_t);
@@ -92,6 +96,7 @@ void ofpbuf_prealloc_headroom(struct ofpbuf *, size_t);
 void ofpbuf_prealloc_tailroom(struct ofpbuf *, size_t);
 void ofpbuf_trim(struct ofpbuf *);
 void ofpbuf_padto(struct ofpbuf *, size_t);
+void ofpbuf_shift(struct ofpbuf *, int);
 
 void ofpbuf_clear(struct ofpbuf *);
 void *ofpbuf_pull(struct ofpbuf *, size_t);
@@ -107,6 +112,12 @@ static inline struct ofpbuf *ofpbuf_from_list(const struct list *list)
 }
 void ofpbuf_list_delete(struct list *);
 
+static inline bool
+ofpbuf_equal(const struct ofpbuf *a, const struct ofpbuf *b)
+{
+    return a->size == b->size && memcmp(a->data, b->data, a->size) == 0;
+}
+
 #ifdef  __cplusplus
 }
 #endif