101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/*-----------------------------------------------------------------------------------*/
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/*
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* Copyright (c) 2001-2004, Adam Dunkels.
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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. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: rtl8019-drv.c,v 1.3 2010/10/19 18:29:04 adamdunkels Exp $
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*
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*/
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#include "contiki-net.h"
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#include "dev/rtl8019dev.h"
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#include "net/uip-neighbor.h"
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#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
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PROCESS(rtl8019_process, "RTL8019 driver");
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/*---------------------------------------------------------------------------*/
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uint8_t
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rtl8019_output(void)
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{
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uip_arp_out();
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RTL8019dev_send();
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void
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pollhandler(void)
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{
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process_poll(&rtl8019_process);
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uip_len = RTL8019dev_poll();
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if(uip_len > 0) {
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#if UIP_CONF_IPV6
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if(BUF->type == uip_htons(UIP_ETHTYPE_IPV6)) {
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uip_neighbor_add(&IPBUF->srcipaddr, &BUF->src);
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tcpip_input();
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} else
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#endif /* UIP_CONF_IPV6 */
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if(BUF->type == uip_htons(UIP_ETHTYPE_IP)) {
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uip_len -= sizeof(struct uip_eth_hdr);
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tcpip_input();
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} else if(BUF->type == uip_htons(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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RTL8019dev_send();
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(rtl8019_process, ev, data)
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{
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PROCESS_POLLHANDLER(pollhandler());
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PROCESS_BEGIN();
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RTL8019dev_init();
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tcpip_set_outputfunc(rtl8019_output);
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process_poll(&rtl8019_process);
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PROCESS_WAIT_UNTIL(ev == PROCESS_EVENT_EXIT);
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RTL8019dev_exit();
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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