98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/****************************************************************************
|
|
* net/arp/arp_poll.c
|
|
*
|
|
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <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 <stdint.h>
|
|
|
|
#include <nuttx/net/netdev.h>
|
|
|
|
#include "devif/devif.h"
|
|
#include "arp/arp.h"
|
|
|
|
#ifdef CONFIG_NET_ARP_SEND
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/* This is the singleton "connection" structure */
|
|
|
|
struct arp_conn_s g_arp_conn;
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Function: arp_poll
|
|
*
|
|
* Description:
|
|
* Poll all pending transfer for ARP requests to send.
|
|
*
|
|
* Assumptions:
|
|
* This function is called from the MAC device driver indirectly through
|
|
* devif_poll() and devif_timer() and may be called from the timer
|
|
* interrupt/watchdog handler level.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int arp_poll(FAR struct net_driver_s *dev, devif_poll_callback_t callback)
|
|
{
|
|
/* Setup for the ARP callback (most of these do not apply) */
|
|
|
|
dev->d_appdata = NULL;
|
|
dev->d_len = 0;
|
|
dev->d_sndlen = 0;
|
|
|
|
/* Perform the ARP callbacks */
|
|
|
|
(void)devif_callback_execute(dev, &g_arp_conn, ARP_POLL, g_arp_conn.list);
|
|
|
|
/* Call back into the driver */
|
|
|
|
return callback(dev);
|
|
}
|
|
|
|
#endif /* CONFIG_NET_ARP_SEND */
|