Diff: lwip/include/ipv4/lwip/ip_frag.h

Revision:

5:dd63a1e02b1b

Parent:

0:632c9925f013

--- a/lwip/include/ipv4/lwip/ip_frag.h	Fri Jul 09 14:46:47 2010 +0000
+++ b/lwip/include/ipv4/lwip/ip_frag.h	Tue Jul 27 15:59:42 2010 +0000
@@ -66,6 +66,18 @@
 #endif /* IP_REASSEMBLY */
 
 #if IP_FRAG
+#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
+/** A custom pbuf that holds a reference to another pbuf, which is freed
+ * when this custom pbuf is freed. This is used to create a custom PBUF_REF
+ * that points into the original pbuf. */
+struct pbuf_custom_ref {
+  /** 'base class' */
+  struct pbuf_custom pc;
+  /** pointer to the original pbuf that is referenced */
+  struct pbuf *original;
+};
+#endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
+
 err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest);
 #endif /* IP_FRAG */