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103 lines
3.9 KiB
103 lines
3.9 KiB
/**************************************************************************** |
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* net/uip/uip_icmppoll.c |
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* |
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#if defined(CONFIG_NET) && defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) |
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#include <debug.h> |
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#include <nuttx/net/uip/uipopt.h> |
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#include <nuttx/net/uip/uip.h> |
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#include <nuttx/net/uip/uip-arch.h> |
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#include "uip_internal.h" |
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/**************************************************************************** |
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* Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Variables |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Variables |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: uip_icmppoll |
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* |
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* Description: |
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* Poll a UDP "connection" structure for availability of TX data |
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* |
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* Parameters: |
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* dev - The device driver structure to use in the send operation |
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* |
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* Return: |
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* None |
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* |
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* Assumptions: |
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* Called from the interrupt level or with interrupts disabled. |
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* |
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****************************************************************************/ |
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void uip_icmppoll(struct uip_driver_s *dev) |
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{ |
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/* Setup for the application callback */ |
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dev->d_appdata = &dev->d_buf[UIP_LLH_LEN + UIP_IPICMPH_LEN]; |
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dev->d_snddata = &dev->d_buf[UIP_LLH_LEN + UIP_IPICMPH_LEN]; |
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dev->d_len = 0; |
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dev->d_sndlen = 0; |
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/* Perform the application callback */ |
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(void)uip_callbackexecute(dev, NULL, UIP_POLL, g_echocallback); |
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} |
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#endif /* CONFIG_NET && CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING */
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