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https://github.com/lwip-tcpip/lwip.git
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81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/*
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* Copyright (c) 2001-2003 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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#include "lwip/opt.h"
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#include "lwip/netif.h"
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#include "lwip/ip_addr.h"
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#include "lwip/sys.h"
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#include "lwip/tcpip.h"
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#include "../pcapif.h"
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#include "examples/example_app/default_netif.h"
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static struct netif netif;
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#if LWIP_IPV4
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#define NETIF_ADDRS ipaddr, netmask, gw,
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void init_default_netif(const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw)
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#else
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#define NETIF_ADDRS
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void init_default_netif(void)
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#endif
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{
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#if NO_SYS
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netif_add(&netif, NETIF_ADDRS NULL, pcapif_init, netif_input);
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#else /* NO_SYS */
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netif_add(&netif, NETIF_ADDRS NULL, pcapif_init, tcpip_input);
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#endif /* NO_SYS */
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netif_set_default(&netif);
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}
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void
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default_netif_poll(void)
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{
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#if !PCAPIF_RX_USE_THREAD
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/* check for packets and link status*/
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pcapif_poll(&netif);
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/* When pcapif_poll comes back, there are not packets, so sleep to
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prevent 100% CPU load. Don't do this in an embedded system since it
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increases latency! */
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sys_msleep(1);
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#else /* !PCAPIF_RX_USE_THREAD */
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sys_msleep(50);
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#endif /* !PCAPIF_RX_USE_THREAD */
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}
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void
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default_netif_shutdown(void)
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{
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/* release the pcap library... */
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pcapif_shutdown(&netif);
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}
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