22cd175fd7
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@375 42af7a65-404d-4744-a932-0658087f49c3
151 lines
4.7 KiB
C
151 lines
4.7 KiB
C
/****************************************************************************
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* net/uip/uip-udppoll.c
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* Poll for the availability of UDP TX data
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Adapted for NuttX from logic in uIP which also has a BSD-like license:
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*
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* Original author Adam Dunkels <adam@dunkels.com>
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* Copyright () 2001-2003, Adam Dunkels.
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* All rights reserved.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE 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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#ifdef CONFIG_NET
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#include <net/uip/uip.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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#if UIP_URGDATA > 0
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void *uip_urgdata; /* urgent data (out-of-band data), if present. */
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uint16 uip_urglen; /* Length of (received) urgent data */
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#endif
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/* The uip_flags variable is used for communication between the TCP/IP
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* stack and the application program.
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*/
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uint8 uip_flags;
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/* uip_conn always points to the current connection. */
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struct uip_conn *uip_conn;
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#ifdef CONFIG_NET_UDP
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struct uip_udp_conn *uip_udp_conn;
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#endif /* CONFIG_NET_UDP */
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#ifdef CONFIG_NET_STATISTICS
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struct uip_stats uip_stat;
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#endif
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/* Increasing number used for the IP ID field. */
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uint16 g_ipid;
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const uip_ipaddr_t all_ones_addr =
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#ifdef CONFIG_NET_IPv6
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{0xffff,0xffff,0xffff,0xffff,0xffff,0xffff,0xffff,0xffff};
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#else /* CONFIG_NET_IPv6 */
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{0xffffffff};
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#endif /* CONFIG_NET_IPv6 */
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const uip_ipaddr_t all_zeroes_addr =
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#ifdef CONFIG_NET_IPv6
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{0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000};
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#else
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{0x00000000};
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#endif
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#if UIP_REASSEMBLY && !defined(CONFIG_NET_IPv6)
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uint8 uip_reasstmr;
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#endif
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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_initialize
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*
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* Description:
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* Perform initialization of the uIP layer
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*
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* Parameters:
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* None
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*
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* Return:
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* None
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*
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****************************************************************************/
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void uip_initialize(void)
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{
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/* Initialize the listening port structures */
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uip_listeninit();
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/* Initialize the TCP/IP connection structures */
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uip_tcpinit();
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/* Initialize the UDP connection structures */
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#ifdef CONFIG_NET_UDP
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uip_udpinit();
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#endif
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/* IPv4 initialization. */
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}
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#endif /* CONFIG_NET */
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