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193 lines
5.3 KiB
C
193 lines
5.3 KiB
C
#ifndef __ip_h__
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#define __ip_h__
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/**HEADER********************************************************************
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*
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* Copyright (c) 2008 Freescale Semiconductor;
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* All Rights Reserved
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*
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* Copyright (c) 2004-2008 Embedded Access Inc.;
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* All Rights Reserved
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*
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* Copyright (c) 1989-2008 ARC International;
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* All Rights Reserved
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*
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***************************************************************************
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*
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* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************
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*
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* $FileName: ip.h$
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* $Version : 3.8.5.0$
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* $Date : Jun-14-2012$
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*
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* Comments:
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*
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* Definitions for the Internet protocol layer.
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*
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*END************************************************************************/
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#include "rtcstime.h"
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/***************************************
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**
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** Constants
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**
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*/
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/*
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** IP datagram sizes
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*/
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#define IP_HEADSIZE 20 /* sizeof(IP_HEADER) */
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#define IP_DEFAULT_MTU 576 /* minimum IP datagram size which */
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/* must be supported by all IP hosts */
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#define IP_MAX_MTU 0xFFFF /* size of largest IP datagram */
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/*
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** default IP parameters for outgoing packets
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*/
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#define IP_VERSION 4 /* Version 4 */
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#define IP_VERSION_4 4 /* Version 4 */
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#define IP_VERSION_6 6 /* Version 6 */
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/* Start CR 1899 */
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#define IPTTL_DEFAULT 64 /* Time to Live (60 hops) */
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/* End CR 1899 */
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#define IPTOS_DEFAULT 0 /* Type of Service */
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#define IP_HEADER_LENGTH_MASK 0x0F
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#define IPTTL(ttl) ((uint_32)(ttl) << 8)
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#define IPTOS(tos) ((uint_32)(tos) << 16)
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#define IPDF(df) ((uint_32)(df) << 24)
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/*
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**
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** Ports < IPPORT_RESERVED are reserved for
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** privileged processes (e.g. root).
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**
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** Ports > IPPORT_USERRESERVED are reserved
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** for servers, not necessarily privileged.
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*/
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#define IPPORT_RESERVED 1024
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#define IPPORT_USERRESERVED 5000
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/***************************************
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**
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** Type definitions
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**
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*/
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/*
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** Multicast group members
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*/
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typedef struct mc_member {
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ip_mreq IGRP; /* the group description */
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uint_32 UCOUNT; /* usage counter */
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struct mc_member _PTR_ NEXT; /* pointer to the next in the list */
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/* used only by the interface part */
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TCPIP_EVENT TIMER;
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boolean RUNNING_TIMER; /* true if the timer is running */
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boolean LAST_REPORTER; /* true if we are the last host to report on this group */
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uint_32 UNSOLICITED_REPORT_COUNTER; /* the number of unsolicited reports remaining to send */
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/*
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** it's unnecessary to store a state (i.e. non-member, delaying-member, idle-member)
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** because non-members don't have a MC_MEMBER, delaying-member is when
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** the running_timer is true, and idle-member when running_timer is true
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*/
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} MC_MEMBER, _PTR_ MC_MEMBER_PTR;
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/*
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** Function for servicing packets
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*/
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typedef void (_CODE_PTR_ IP_SERVICE_FN)(RTCSPCB_PTR, pointer);
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/*
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** Internet Channel Block
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*/
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typedef struct icb_struct {
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struct icb_struct _PTR_ NEXT; /* next ICB in the chain */
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uint_32 PROTOCOL; /* protocol for connection */
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IP_SERVICE_FN SERVICE; /* Owner's service function */
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pointer PRIVATE; /* Owner's configuration block */
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} ICB_STRUCT, _PTR_ ICB_STRUCT_PTR;
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/***************************************
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**
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** Prototypes
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**
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*/
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extern uint_32 IP_init
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(
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void
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);
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extern ICB_STRUCT_PTR IP_open
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(
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uchar , /* [IN] Protocol to use */
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IP_SERVICE_FN , /* [IN] Packet receive function */
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pointer , /* [IN] Owner's config block */
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uint_32_ptr /* [OUT] return code */
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);
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extern uint_32 IP_send
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(
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RTCSPCB_PTR , /* [IN] the packet to send */
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uint_32 , /* [IN] transport protocol, TTL and TOS */
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_ip_address , /* [IN] the destination interface (0 = any) */
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_ip_address , /* [IN] the ultimate destination */
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uint_32 /* [IN] optional flags */
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);
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extern uint_32 IP_send_IF
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(
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RTCSPCB_PTR , /* [IN] the packet to send */
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uint_32 , /* [IN] transport protocol, TTL and TOS */
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pointer /* [IN] the destination interface */
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);
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extern void IP_service
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(
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RTCSPCB_PTR /* [IN] received packet */
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);
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extern _ip_address IP_source
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(
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RTCSPCB_PTR /* [IN] packet to find source of */
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);
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extern _ip_address IP_dest
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(
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RTCSPCB_PTR /* [IN] packet to find destination of */
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);
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#if RTCSCFG_ENABLE_IP6
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#include "ip6.h"
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#endif
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#endif
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/* EOF */
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