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nuttx-apps/wireless/ieee802154/i8sak/i8sak_tx.c

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/****************************************************************************
* apps/wireless/ieee802154/i8sak/i8sak_tx.c
* IEEE 802.15.4 Swiss Army Knife
*
* Copyright (C) 2014-2015, 2017 Gregory Nutt. All rights reserved.
* Copyright (C) 2014-2015 Sebastien Lorquet. All rights reserved.
* Copyright (C) 2017 Verge Inc. All rights reserved.
*
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
* Author: Anthony Merlino <anthony@vergeaero.com>
* Author: Gregory Nuttx <gnutt@nuttx.org>
*
* 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. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <nuttx/fs/ioctl.h>
#include <nuttx/wireless/ieee802154/ieee802154_device.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
#include "wireless/ieee802154.h"
#include "i8sak.h"
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void tx_eventcb(FAR struct ieee802154_primitive_s *primitive, FAR void *arg);
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name : i8_tx_cmd
*
* Description :
* Transmit a data frame.
****************************************************************************/
void i8sak_tx_cmd(FAR struct i8sak_s *i8sak, int argc, FAR char *argv[])
{
enum ieee802154_devmode_e devmode;
struct i8sak_eventfilter_s eventfilter;
struct mac802154dev_txframe_s tx;
bool sendasdev = false;
bool sendmax = false;
int option;
int fd = 0;
int argind = 1;
int ret = OK;
while ((option = getopt(argc, argv, ":hdm")) != ERROR)
{
argind++;
switch (option)
{
case 'h':
fprintf(stderr, "Transmits packet to endpoint\n"
"Usage: %s [-h|d|m] [<hex-payload>]\n"
" -h = this help menu\n"
" -d = send as device instead of coord\n"
" -m = send the largest frame possible\n"
, argv[0]);
/* Must manually reset optind if we are going to exit early */
optind = -1;
return;
case 'd':
sendasdev = true;
break;
case 'm':
sendmax = true;
break;
case ':':
fprintf(stderr, "ERROR: missing argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
case '?':
fprintf(stderr, "ERROR: unknown argument\n");
ret = ERROR;
optind = -1;
i8sak_cmd_error(i8sak);
}
}
if (argc == argind + 1)
{
i8sak->payload_len = i8sak_str2payload(argv[1], i8sak->payload);
}
if (sendmax)
{
i8sak->payload_len = IEEE802154_MAX_SAFE_MAC_PAYLOAD_SIZE;
}
if (i8sak->mode == I8SAK_MODE_CHAR)
{
fd = open(i8sak->ifname, O_RDWR);
if (fd < 0)
{
fprintf(stderr, "ERROR: cannot open %s, errno=%d\n",
i8sak->ifname, errno);
i8sak_cmd_error(i8sak);
}
/* Check if transaction should be indirect or not */
ieee802154_getdevmode(fd, &devmode);
}
#ifdef CONFIG_NET_6LOWPAN
else if (i8sak->mode == I8SAK_MODE_NETIF)
{
fd = socket(PF_INET6, SOCK_DGRAM, 0);
if (fd < 0)
{
fprintf(stderr, "ERROR: failed to open socket, errno=%d\n", errno);
i8sak_cmd_error(i8sak);
}
/* Check if transaction should be indirect or not */
sixlowpan_getdevmode(fd, i8sak->ifname, &devmode);
}
#endif
if (!sendasdev)
{
/* If we are acting as an endpoint, send as normal CSMA (non-indirect)
* If we are a coordinator or PAN coordinator, send as indirect.
*/
if (devmode == IEEE802154_DEVMODE_ENDPOINT)
{
tx.meta.flags.indirect = false;
}
else
{
tx.meta.flags.indirect = true;
}
}
else
{
/* We cannot send a frame as direct if we are the PAN coordinator. Maybe
* this should be the hook for sending payload in beacon? But for now,
* let's just throw an error.
*/
if (devmode == IEEE802154_DEVMODE_PANCOORD)
{
fprintf(stderr, "ERROR: invalid option\n");
close(fd);
i8sak_cmd_error(i8sak);
}
tx.meta.flags.indirect = false;
}
i8sak_requestdaemon(i8sak);
/* Register new oneshot callback for receiving the association notifications */
memset(&eventfilter, 0, sizeof(struct i8sak_eventfilter_s));
eventfilter.confevents.data = true;
i8sak_eventlistener_addreceiver(i8sak, tx_eventcb, &eventfilter, true);
/* Send the frame */
if (i8sak->mode == I8SAK_MODE_CHAR)
{
/* Set an application defined handle */
tx.meta.handle = i8sak->msdu_handle++;
/* This is a normal transaction, no special handling */
tx.meta.flags.ackreq = 1;
tx.meta.flags.usegts = 0;
if (tx.meta.flags.indirect)
{
if (i8sak->verbose)
{
printf("i8sak: queuing indirect transaction\n");
fflush(stdout);
}
}
else
{
if (i8sak->verbose)
{
printf("i8sak: queuing CSMA transaction\n");
fflush(stdout);
}
}
tx.meta.ranging = IEEE802154_NON_RANGING;
tx.meta.srcmode = i8sak->addrmode;
memcpy(&tx.meta.destaddr, &i8sak->ep_addr, sizeof(struct ieee802154_addr_s));
/* Each byte is represented by 2 chars */
tx.length = i8sak->payload_len;
tx.payload = i8sak->payload;
ret = write(fd, &tx, sizeof(struct mac802154dev_txframe_s));
}
#ifdef CONFIG_NET_6LOWPAN
else if (i8sak->mode == I8SAK_MODE_NETIF)
{
struct sockaddr_in6 addr;
addr.sin6_family = AF_INET6;
addr.sin6_port = HTONS(0);
memset(addr.sin6_addr.s6_addr, 0, sizeof(struct in6_addr));
if (bind(i8sak->fd, (struct sockaddr*)&addr, sizeof(struct sockaddr_in6)) < 0)
{
fprintf(stderr, "ERROR: failure to bind sock: %d\n", errno);
close(fd);
i8sak_cmd_error(i8sak);
}
ret = sendto(fd, i8sak->payload, i8sak->payload_len, 0,
(struct sockaddr*)&i8sak->ep_in6addr, sizeof(struct sockaddr_in6));
}
#endif
if (ret < 0)
{
fprintf(stderr, "ERROR: Failed to transmit packet: errno=%d\n", errno);
close(fd);
i8sak_cmd_error(i8sak);
}
close(fd);
}
static void tx_eventcb(FAR struct ieee802154_primitive_s *primitive, FAR void *arg)
{
FAR struct i8sak_s *i8sak = (FAR struct i8sak_s *)arg;
if (primitive->u.dataconf.status == IEEE802154_STATUS_SUCCESS)
{
printf("i8sak: frame tx success\n");
}
else
{
printf("i8sak: frame failed to send: %s\n",
IEEE802154_STATUS_STRING[primitive->u.dataconf.status]);
}
sem_post(&i8sak->sigsem);
i8sak_requestdaemon(i8sak);
}
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