/**************************************************************************** * net/icmpv6/icmpv6_poll.c * * Copyright (C) 2015, 2019 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #if defined(CONFIG_NET_ICMPv6_SOCKET) || defined(CONFIG_NET_ICMPv6_NEIGHBOR) #include #include #include #include #include #include "devif/devif.h" #include "icmpv6/icmpv6.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: icmpv6_poll * * Description: * Poll a UDP "connection" structure for availability of TX data * * Input Parameters: * dev - The device driver structure to use in the send operation * conn - A pointer to the ICMPv6 connection structure * * Returned Value: * None * * Assumptions: * The network is locked. * ****************************************************************************/ void icmpv6_poll(FAR struct net_driver_s *dev, FAR struct icmpv6_conn_s *conn) { /* Setup for the application callback */ dev->d_appdata = &dev->d_buf[NET_LL_HDRLEN(dev) + IPICMPv6_HDRLEN]; dev->d_len = 0; dev->d_sndlen = 0; /* Perform the application callback */ devif_conn_event(dev, conn, ICMPv6_POLL, conn ? conn->list : dev->d_conncb); } #endif /* CONFIG_NET_ICMPv6_SOCKET || CONFIG_NET_ICMPv6_NEIGHBOR */