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00001 /* 00002 * Copyright (c) 2010, Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * $Id: uip-driver.c,v 1.2 2010/06/14 19:19:17 adamdunkels Exp $ 00030 */ 00031 00032 /** 00033 * \file 00034 * A brief description of what this file is 00035 * \author 00036 * Niclas Finne <nfi@sics.se> 00037 * Joakim Eriksson <joakime@sics.se> 00038 */ 00039 00040 #include "net/netstack.h" 00041 #include "net/uip.h" 00042 #include "net/tcpip.h" 00043 #include "net/hc.h" 00044 #include "net/packetbuf.h" 00045 #include "net/uip-driver.h" 00046 #include <string.h> 00047 00048 /*--------------------------------------------------------------------*/ 00049 uint8_t 00050 uip_driver_send(void) 00051 { 00052 packetbuf_copyfrom(&uip_buf[UIP_LLH_LEN], uip_len); 00053 00054 /* XXX we should provide a callback function that is called when the 00055 packet is sent. For now, we just supply a NULL pointer. */ 00056 NETSTACK_MAC.send(NULL, NULL); 00057 return 1; 00058 } 00059 /*--------------------------------------------------------------------*/ 00060 static void 00061 init(void) 00062 { 00063 /* 00064 * Set out output function as the function to be called from uIP to 00065 * send a packet. 00066 */ 00067 tcpip_set_outputfunc(uip_driver_send); 00068 } 00069 /*--------------------------------------------------------------------*/ 00070 static void 00071 input(void) 00072 { 00073 if(packetbuf_datalen() > 0 && 00074 packetbuf_datalen() <= UIP_BUFSIZE - UIP_LLH_LEN) { 00075 memcpy(&uip_buf[UIP_LLH_LEN], packetbuf_dataptr(), packetbuf_datalen()); 00076 uip_len = packetbuf_datalen(); 00077 tcpip_input(); 00078 } 00079 } 00080 /*--------------------------------------------------------------------*/ 00081 const struct network_driver uip_driver = { 00082 "uip", 00083 init, 00084 input 00085 }; 00086 /*--------------------------------------------------------------------*/