mbed unsupported / lwip

A version of LWIP, provided for backwards compatibility.

Dependents:   AA_DemoBoard DemoBoard HelloServerDemo DemoBoard_RangeIndicator ... more

trunk/Core/lwIP/netif/loopif.c@0:5e1631496985, 2012-05-08 (annotated)

Committer:
root@mbed.org
Date:
Tue May 08 15:32:10 2012 +0100
Revision:
0:5e1631496985
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
root@mbed.org 0:5e1631496985 1 /**
root@mbed.org 0:5e1631496985 2 * @file
root@mbed.org 0:5e1631496985 3 * Loop Interface
root@mbed.org 0:5e1631496985 4 *
root@mbed.org 0:5e1631496985 5 */
root@mbed.org 0:5e1631496985 6
root@mbed.org 0:5e1631496985 7 /*
root@mbed.org 0:5e1631496985 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
root@mbed.org 0:5e1631496985 9 * All rights reserved.
root@mbed.org 0:5e1631496985 10 *
root@mbed.org 0:5e1631496985 11 * Redistribution and use in source and binary forms, with or without modification,
root@mbed.org 0:5e1631496985 12 * are permitted provided that the following conditions are met:
root@mbed.org 0:5e1631496985 13 *
root@mbed.org 0:5e1631496985 14 * 1. Redistributions of source code must retain the above copyright notice,
root@mbed.org 0:5e1631496985 15 * this list of conditions and the following disclaimer.
root@mbed.org 0:5e1631496985 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
root@mbed.org 0:5e1631496985 17 * this list of conditions and the following disclaimer in the documentation
root@mbed.org 0:5e1631496985 18 * and/or other materials provided with the distribution.
root@mbed.org 0:5e1631496985 19 * 3. The name of the author may not be used to endorse or promote products
root@mbed.org 0:5e1631496985 20 * derived from this software without specific prior written permission.
root@mbed.org 0:5e1631496985 21 *
root@mbed.org 0:5e1631496985 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
root@mbed.org 0:5e1631496985 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
root@mbed.org 0:5e1631496985 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
root@mbed.org 0:5e1631496985 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
root@mbed.org 0:5e1631496985 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
root@mbed.org 0:5e1631496985 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
root@mbed.org 0:5e1631496985 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
root@mbed.org 0:5e1631496985 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
root@mbed.org 0:5e1631496985 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
root@mbed.org 0:5e1631496985 31 * OF SUCH DAMAGE.
root@mbed.org 0:5e1631496985 32 *
root@mbed.org 0:5e1631496985 33 * This file is part of the lwIP TCP/IP stack.
root@mbed.org 0:5e1631496985 34 *
root@mbed.org 0:5e1631496985 35 * Author: Adam Dunkels <adam@sics.se>
root@mbed.org 0:5e1631496985 36 *
root@mbed.org 0:5e1631496985 37 */
root@mbed.org 0:5e1631496985 38 #include "lwip/opt.h"
root@mbed.org 0:5e1631496985 39
root@mbed.org 0:5e1631496985 40 #if LWIP_HAVE_LOOPIF
root@mbed.org 0:5e1631496985 41
root@mbed.org 0:5e1631496985 42 #include "netif/loopif.h"
root@mbed.org 0:5e1631496985 43 #include "lwip/snmp.h"
root@mbed.org 0:5e1631496985 44
root@mbed.org 0:5e1631496985 45 /**
root@mbed.org 0:5e1631496985 46 * Initialize a lwip network interface structure for a loopback interface
root@mbed.org 0:5e1631496985 47 *
root@mbed.org 0:5e1631496985 48 * @param netif the lwip network interface structure for this loopif
root@mbed.org 0:5e1631496985 49 * @return ERR_OK if the loopif is initialized
root@mbed.org 0:5e1631496985 50 * ERR_MEM if private data couldn't be allocated
root@mbed.org 0:5e1631496985 51 */
root@mbed.org 0:5e1631496985 52 err_t
root@mbed.org 0:5e1631496985 53 loopif_init(struct netif *netif)
root@mbed.org 0:5e1631496985 54 {
root@mbed.org 0:5e1631496985 55 /* initialize the snmp variables and counters inside the struct netif
root@mbed.org 0:5e1631496985 56 * ifSpeed: no assumption can be made!
root@mbed.org 0:5e1631496985 57 */
root@mbed.org 0:5e1631496985 58 NETIF_INIT_SNMP(netif, snmp_ifType_softwareLoopback, 0);
root@mbed.org 0:5e1631496985 59
root@mbed.org 0:5e1631496985 60 netif->name[0] = 'l';
root@mbed.org 0:5e1631496985 61 netif->name[1] = 'o';
root@mbed.org 0:5e1631496985 62 netif->output = netif_loop_output;
root@mbed.org 0:5e1631496985 63 return ERR_OK;
root@mbed.org 0:5e1631496985 64 }
root@mbed.org 0:5e1631496985 65
root@mbed.org 0:5e1631496985 66 #endif /* LWIP_HAVE_LOOPIF */