X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fofpbuf.h;h=a7b5ded9da0b4ef030a08b26f1da7a12ca2dad07;hb=05abb769d32d440dbd521e99484d8418f95431bd;hp=736b8f5e5ee35156f381e5390c7b2e33fd97a406;hpb=30f07f1a5e2a021d8e05167b5db93968a2036033;p=openvswitch

diff --git a/lib/ofpbuf.h b/lib/ofpbuf.h
index 736b8f5e..a7b5ded9 100644
--- a/lib/ofpbuf.h
+++ b/lib/ofpbuf.h
@@ -18,6 +18,7 @@
 #define OFPBUF_H 1
 
 #include <stddef.h>
+#include "list.h"
 
 #ifdef  __cplusplus
 extern "C" {
@@ -37,18 +38,22 @@ struct ofpbuf {
     void *l4;                   /* Transport-level header. */
     void *l7;                   /* Application data. */
 
-    struct ofpbuf *next;        /* Next in a list of ofpbufs. */
+    struct list list_node;      /* Private list element for use by owner. */
     void *private_p;            /* Private pointer for use by owner. */
 };
 
 void ofpbuf_use(struct ofpbuf *, void *, size_t);
+void ofpbuf_use_const(struct ofpbuf *, const void *, size_t);
 
 void ofpbuf_init(struct ofpbuf *, size_t);
 void ofpbuf_uninit(struct ofpbuf *);
 void ofpbuf_reinit(struct ofpbuf *, size_t);
 
 struct ofpbuf *ofpbuf_new(size_t);
+struct ofpbuf *ofpbuf_new_with_headroom(size_t, size_t headroom);
 struct ofpbuf *ofpbuf_clone(const struct ofpbuf *);
+struct ofpbuf *ofpbuf_clone_with_headroom(const struct ofpbuf *,
+                                          size_t headroom);
 struct ofpbuf *ofpbuf_clone_data(const void *, size_t);
 void ofpbuf_delete(struct ofpbuf *);
 
@@ -77,6 +82,12 @@ void *ofpbuf_try_pull(struct ofpbuf *, size_t);
 
 char *ofpbuf_to_string(const struct ofpbuf *, size_t maxbytes);
 
+static inline struct ofpbuf *ofpbuf_from_list(const struct list *list)
+{
+    return CONTAINER_OF(list, struct ofpbuf, list_node);
+}
+void ofpbuf_list_delete(struct list *);
+
 #ifdef  __cplusplus
 }
 #endif