diff options
Diffstat (limited to 'nuttx/net/uip/uip_icmppoll.c')
-rw-r--r-- | nuttx/net/uip/uip_icmppoll.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/nuttx/net/uip/uip_icmppoll.c b/nuttx/net/uip/uip_icmppoll.c new file mode 100644 index 000000000..ca1d684c0 --- /dev/null +++ b/nuttx/net/uip/uip_icmppoll.c @@ -0,0 +1,103 @@ +/**************************************************************************** + * net/uip/uip_icmppoll.c + * + * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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> +#if defined(CONFIG_NET) && defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) + +#include <debug.h> + +#include <nuttx/net/uip/uipopt.h> +#include <nuttx/net/uip/uip.h> +#include <nuttx/net/uip/uip-arch.h> + +#include "uip_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: uip_icmppoll + * + * Description: + * Poll a UDP "connection" structure for availability of TX data + * + * Parameters: + * dev - The device driver structure to use in the send operation + * + * Return: + * None + * + * Assumptions: + * Called from the interrupt level or with interrupts disabled. + * + ****************************************************************************/ + +void uip_icmppoll(struct uip_driver_s *dev) +{ + /* Setup for the application callback */ + + dev->d_appdata = &dev->d_buf[UIP_LLH_LEN + UIP_IPICMPH_LEN]; + dev->d_snddata = &dev->d_buf[UIP_LLH_LEN + UIP_IPICMPH_LEN]; + + dev->d_len = 0; + dev->d_sndlen = 0; + + /* Perform the application callback */ + + (void)uip_callbackexecute(dev, NULL, UIP_POLL, g_echocallback); +} + +#endif /* CONFIG_NET && CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING */ |