incubator-nuttx/net/arp/arp_dump.c

105 lines
4.3 KiB
C

/****************************************************************************
* net/arp/arp_dump.c
*
* Copyright (C) 2007-2011, 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based on uIP which also has a BSD style license:
*
* Author: Adam Dunkels <adam@dunkels.com>
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include "arp/arp.h"
#ifdef CONFIG_NET_ARP_DUMP
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: arp_dump
*
* Description:
* Dump the contents of an ARP packet to the SYSLOG device
*
* Input Parameters:
* arp - A reference to the ARP header to be dumped.
*
* Returned Value:
* None
*
****************************************************************************/
void arp_dump(FAR struct arp_hdr_s *arp)
{
nlldbg(" HW type: %04x Protocol: %04x\n",
arp->ah_hwtype, arp->ah_protocol);
nlldbg(" HW len: %02x Proto len: %02x Operation: %04x\n",
arp->ah_hwlen, arp->ah_protolen, arp->ah_opcode);
nlldbg(" Sender MAC: %02x:%02x:%02x:%02x:%02x:%02x IP: %d.%d.%d.%d\n",
arp->ah_shwaddr[0], arp->ah_shwaddr[1], arp->ah_shwaddr[2],
arp->ah_shwaddr[3], arp->ah_shwaddr[4], arp->ah_shwaddr[5],
arp->ah_sipaddr[0] & 0xff, arp->ah_sipaddr[0] >> 8,
arp->ah_sipaddr[1] & 0xff, arp->ah_sipaddr[1] >> 8);
nlldbg(" Dest MAC: %02x:%02x:%02x:%02x:%02x:%02x IP: %d.%d.%d.%d\n",
arp->ah_dhwaddr[0], arp->ah_dhwaddr[1], arp->ah_dhwaddr[2],
arp->ah_dhwaddr[3], arp->ah_dhwaddr[4], arp->ah_dhwaddr[5],
arp->ah_dipaddr[0] & 0xff, arp->ah_dipaddr[0] >> 8,
arp->ah_dipaddr[1] & 0xff, arp->ah_dipaddr[1] >> 8);
}
#endif /* CONFIG_NET_ARP_DUMP */