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diff --git a/nuttx/include/nuttx/net/pkt.h b/nuttx/include/nuttx/net/pkt.h
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+++ b/nuttx/include/nuttx/net/pkt.h
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+/****************************************************************************
+ * include/nuttx/net/pkt.h
+ * Definitions for use with AF_PACKET sockets
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Daniel Laszlo Sitzer <dlsitzer@gmail.com>
+ *
+ * Includes some definitions that a compatible with the LGPL GNU C Library
+ * header file of the same name.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_NET_PKT_H
+#define __INCLUDE_NUTTX_NET_PKT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <nuttx/net/netconfig.h>
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+/* Representation of a uIP packet socket connection */
+
+struct uip_pkt_conn
+{
+  dq_entry_t node;     /* Supports a double linked list */
+  uint8_t    lmac[6];  /* The local Ethernet address in network byte order */
+  uint8_t    ifindex;
+  uint16_t   proto;
+  uint8_t    crefs;    /* Reference counts on this instance */
+
+  /* Defines the list of packet callbacks */
+
+  struct uip_callback_s *list;
+};
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/* uIP application functions
+ *
+ * Functions used by an application running of top of uIP. This includes
+ * functions for opening and closing connections, sending and receiving
+ * data, etc.
+ *
+ * Find a free connection structure and allocate it for use. This is
+ * normally something done by the implementation of the socket() API
+ */
+
+struct uip_pkt_conn *uip_pktalloc(void);
+
+/* Allocate a new packet socket data callback */
+
+#define uip_pktcallbackalloc(conn)   uip_callbackalloc(&conn->list)
+#define uip_pktcallbackfree(conn,cb) uip_callbackfree(cb, &conn->list)
+
+/* Free a connection structure that is no longer in use. This should
+ * be done by the implementation of close()
+ */
+
+void uip_pktfree(struct uip_pkt_conn *conn);
+
+void uip_pktpoll(struct uip_driver_s *dev, struct uip_pkt_conn *conn);
+
+int uip_pktinput(struct uip_driver_s *dev);
+
+#endif /* __INCLUDE_NUTTX_NET_PKT_H */