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86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/**
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* \file
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* A brief description of what this file is
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* \author
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* Niclas Finne <nfi@sics.se>
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* Joakim Eriksson <joakime@sics.se>
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*/
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#include "net/netstack.h"
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#include "net/uip.h"
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#include "net/tcpip.h"
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#include "net/hc.h"
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#include "net/packetbuf.h"
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#include "net/uip-driver.h"
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#include <string.h>
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/*--------------------------------------------------------------------*/
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uint8_t
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uip_driver_send(void)
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{
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packetbuf_copyfrom(&uip_buf[UIP_LLH_LEN], uip_len);
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/* XXX we should provide a callback function that is called when the
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packet is sent. For now, we just supply a NULL pointer. */
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NETSTACK_MAC.send(NULL, NULL);
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return 1;
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}
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/*--------------------------------------------------------------------*/
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static void
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init(void)
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{
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/*
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* Set out output function as the function to be called from uIP to
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* send a packet.
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*/
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tcpip_set_outputfunc(uip_driver_send);
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}
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/*--------------------------------------------------------------------*/
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static void
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input(void)
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{
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if(packetbuf_datalen() > 0 &&
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packetbuf_datalen() <= UIP_BUFSIZE - UIP_LLH_LEN) {
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memcpy(&uip_buf[UIP_LLH_LEN], packetbuf_dataptr(), packetbuf_datalen());
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uip_len = packetbuf_datalen();
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tcpip_input();
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}
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}
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/*--------------------------------------------------------------------*/
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const struct network_driver uip_driver = {
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"uip",
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init,
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input
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};
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/*--------------------------------------------------------------------*/
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