/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER
* OR CONTRIBUTORS 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* edsu.c - Qualcomm Atheros Ethernet II Data Send Utility
*
* send one or more files over Ethernet using IEEE 802.2 Ethernet
* Frames;
*
* this program can be used as a data source when testing AR6405
* UART applications; use this program to send files and program
* edru to read and display or save them at the other end;
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
/*====================================================================*
* system header files;
*--------------------------------------------------------------------*/
#include <stdlib.h>
#include <limits.h>
#include <memory.h>
#include <signal.h>
#include <unistd.h>
/*====================================================================*
* custom header files;
*--------------------------------------------------------------------*/
#include "../tools/getoptv.h"
#include "../tools/putoptv.h"
#include "../tools/memory.h"
#include "../tools/number.h"
#include "../tools/error.h"
#include "../tools/files.h"
#include "../tools/flags.h"
#include "../ether/ether.h"
#include "../ether/channel.h"
/*====================================================================*
* custom source files;
*--------------------------------------------------------------------*/
#ifndef MAKEFILE
#include "../tools/getoptv.c"
#include "../tools/putoptv.c"
#include "../tools/version.c"
#include "../tools/efreopen.c"
#include "../tools/basespec.c"
#include "../tools/uintspec.c"
#include "../tools/todigit.c"
#include "../tools/hexdump.c"
#include "../tools/hexencode.c"
#include "../tools/error.c"
#endif
#ifndef MAKEFILE
#include "../ether/channel.c"
#include "../ether/openchannel.c"
#include "../ether/closechannel.c"
#include "../ether/readpacket.c"
#include "../ether/sendpacket.c"
#endif
/*====================================================================*
* program constants;
*--------------------------------------------------------------------*/
#define EDSU_INTERFACE "PLC"
#define EDSU_ETHERTYPE ETH_P_802_2
#define EDSU_PAUSE 0
/*====================================================================*
*
* signed function (struct channel * channel, unsigned pause, signed fd);
*
* read a file and transmit it over network as a stream of Ethernet
* frames; pause between frames to prevent over-loading the remote
* host;
*
*
*--------------------------------------------------------------------*/
signed function (struct channel * channel, unsigned pause, signed fd)
{
struct ethernet_frame frame;
signed length = sizeof (frame.frame_data);
memcpy (frame.frame_dhost, channel->peer, sizeof (frame.frame_dhost));
memcpy (frame.frame_shost, channel->host, sizeof (frame.frame_shost));
while ((length = read (fd, frame.frame_data, sizeof (frame.frame_data))) > 0)
{
frame.frame_type = htons (length);
if (length < ETHERMIN)
{
length = ETHERMIN;
}
length += ETHER_HDR_LEN;
if (sendpacket (channel, &frame, length) < 0)
{
error (1, errno, CHANNEL_CANTSEND);
}
sleep (pause);
}
return (0);
}
/*====================================================================*
*
* int main (int argc, char const * argv []);
*
*
*
*--------------------------------------------------------------------*/
int main (int argc, char const * argv [])
{
extern struct channel channel;
static char const * optv [] =
{
"e:d:i:p:qv",
"file [file] [...]",
"Qualcomm Atheros Ethernet II Data Send Utility",
"e x\tethertype is (x) [" LITERAL (EDSU_ETHERTYPE) "]",
"d x\tdestination address is (x) [00:B0:52:00:00:01]",
#if defined (WINPCAP) || defined (LIBPCAP)
"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",
#else
"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",
#endif
"p n\tpause (n) seconds between frames [" LITERAL (EDSU_PAUSE) "]",
"q\tquiet mode",
"v\tverbose mode",
(char const *)(0)
};
unsigned pause = EDSU_PAUSE;
signed c;
if (getenv (EDSU_INTERFACE))
{
#if defined (WINPCAP) || defined (LIBPCAP)
channel.ifindex = atoi (getenv (EDSU_INTERFACE));
#else
channel.ifname = strdup (getenv (EDSU_INTERFACE));
#endif
}
channel.type = EDSU_ETHERTYPE;
while ((c = getoptv (argc, argv, optv)) != -1)
{
switch (c)
{
case 'e':
channel.type = (uint16_t)(basespec (optarg, 16, sizeof (channel.type)));
break;
case 'd':
if (!hexencode (channel.peer, sizeof (channel.peer), optarg))
{
error (1, errno, "%s", optarg);
}
break;
case 'i':
#if defined (WINPCAP) || defined (LIBPCAP)
channel.ifindex = atoi (optarg);
#else
channel.ifname = optarg;
#endif
break;
case 'p':
pause = (unsigned)(uintspec (optarg, 0, UCHAR_MAX));
break;
case 'q':
_setbits (channel.flags, CHANNEL_SILENCE);
break;
case 'v':
_setbits (channel.flags, CHANNEL_VERBOSE);
break;
default:
break;
}
}
argc -= optind;
argv += optind;
openchannel (&channel);
if (!argc)
{
function (&channel, pause, STDIN_FILENO);
}
while ((argc) && (* argv))
{
if (efreopen (* argv, "rb", stdin))
{
function (&channel, pause, fileno (stdin));
}
argc--;
argv++;
}
closechannel (&channel);
exit (0);
}