[457] | 1 | /*
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| 2 | * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without modification,
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| 6 | * are permitted provided that the following conditions are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright notice,
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| 9 | * this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 11 | * this list of conditions and the following disclaimer in the documentation
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| 12 | * and/or other materials provided with the distribution.
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| 13 | * 3. The name of the author may not be used to endorse or promote products
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| 14 | * derived from this software without specific prior written permission.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 25 | * OF SUCH DAMAGE.
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| 26 | *
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| 27 | * This file is part of the lwIP TCP/IP stack.
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| 28 | *
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| 29 | * Author: Adam Dunkels <adam@sics.se>
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| 30 | *
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| 31 | */
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| 32 |
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| 33 | #include "lwip/opt.h"
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| 34 |
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| 35 | #include "lwip/netif.h"
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| 36 | #include "lwip/ip_addr.h"
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| 37 | #include "lwip/tcpip.h"
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| 38 | #include "../pcapif.h"
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| 39 | #include "examples/example_app/default_netif.h"
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| 40 |
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| 41 | static struct netif netif;
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| 42 |
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| 43 | #if LWIP_IPV4
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| 44 | #define NETIF_ADDRS ipaddr, netmask, gw,
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| 45 | void init_default_netif(const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw)
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| 46 | #else
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| 47 | #define NETIF_ADDRS
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| 48 | void init_default_netif(void)
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| 49 | #endif
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| 50 | {
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| 51 | #if NO_SYS
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| 52 | netif_add(&netif, NETIF_ADDRS NULL, pcapif_init, netif_input);
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| 53 | #else /* NO_SYS */
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| 54 | netif_add(&netif, NETIF_ADDRS NULL, pcapif_init, tcpip_input);
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| 55 | #endif /* NO_SYS */
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| 56 | netif_set_default(&netif);
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| 57 | }
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| 58 |
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| 59 | void
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| 60 | default_netif_poll(void)
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| 61 | {
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| 62 | #if !PCAPIF_RX_USE_THREAD
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| 63 | /* check for packets and link status*/
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| 64 | pcapif_poll(&netif);
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| 65 | /* When pcapif_poll comes back, there are not packets, so sleep to
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| 66 | prevent 100% CPU load. Don't do this in an embedded system since it
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| 67 | increases latency! */
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| 68 | sys_msleep(1);
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| 69 | #else /* !PCAPIF_RX_USE_THREAD */
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| 70 | sys_msleep(50);
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| 71 | #endif /* !PCAPIF_RX_USE_THREAD */
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| 72 | }
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| 73 |
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| 74 | void
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| 75 | default_netif_shutdown(void)
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| 76 | {
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| 77 | /* release the pcap library... */
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| 78 | pcapif_shutdown(&netif);
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| 79 | }
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