diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_TCP.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_TCP.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_TCP.h b/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_TCP.h deleted file mode 100644 index 4e4e649b46..0000000000 --- a/c/src/lib/libbsp/arm/nds/dswifi/arm9/source/sgIP_TCP.h +++ /dev/null @@ -1,134 +0,0 @@ -// DSWifi Project - sgIP Internet Protocol Stack Implementation -// Copyright (C) 2005-2006 Stephen Stair - sgstair@akkit.org - http://www.akkit.org -/****************************************************************************** -DSWifi Lib and test materials are licenced under the MIT open source licence: -Copyright (c) 2005-2006 Stephen Stair - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -******************************************************************************/ -#ifndef SGIP_TCP_H -#define SGIP_TCP_H - -#include "sgIP_Config.h" -#include "sgIP_memblock.h" - -enum SGIP_TCP_STATE { - SGIP_TCP_STATE_NODATA, // newly allocated - SGIP_TCP_STATE_UNUSED, // allocated & BINDed - SGIP_TCP_STATE_LISTEN, // listening - SGIP_TCP_STATE_SYN_SENT, // connect initiated - SGIP_TCP_STATE_SYN_RECEIVED, // spawned from listen socket; - SGIP_TCP_STATE_ESTABLISHED, // syns have been exchanged - SGIP_TCP_STATE_FIN_WAIT_1, // sent a FIN, haven't got FIN or ACK yet. - SGIP_TCP_STATE_FIN_WAIT_2, // got ACK for our FIN, haven't got FIN yet. - SGIP_TCP_STATE_CLOSE_WAIT, // got FIN, wait for user code to close socket & send FIN - SGIP_TCP_STATE_CLOSING, // got FIN, waiting for ACK of our FIN - SGIP_TCP_STATE_LAST_ACK, // wait for ACK of our last FIN - SGIP_TCP_STATE_TIME_WAIT, // wait to ensure remote tcp knows it's been terminated. - SGIP_TCP_STATE_CLOSED, // Block is unused. -}; - - -#define SGIP_TCP_FLAG_FIN 1 -#define SGIP_TCP_FLAG_SYN 2 -#define SGIP_TCP_FLAG_RST 4 -#define SGIP_TCP_FLAG_PSH 8 -#define SGIP_TCP_FLAG_ACK 16 -#define SGIP_TCP_FLAG_URG 32 - -typedef struct SGIP_HEADER_TCP { - unsigned short srcport,destport; - unsigned long seqnum; - unsigned long acknum; - unsigned char dataofs_; - unsigned char tcpflags; - unsigned short window; - unsigned short checksum; - unsigned short urg_ptr; - unsigned char options[4]; -} sgIP_Header_TCP; - - -// sgIP_Record_TCP - a TCP record, to store data for an active TCP connection. -typedef struct SGIP_RECORD_TCP { - struct SGIP_RECORD_TCP * next; // operate as a linked list - // TCP state information - int tcpstate; - unsigned long sequence; // sequence number of first byte not acknowledged by remote system - unsigned long ack; // external sequence number of next byte to receive - unsigned long sequence_next; // sequence number of first unsent byte - unsigned long rxwindow; // sequence of last byte in receive window - unsigned long txwindow; // sequence of last byte allowed to send - int time_last_action; // used for retransmission and etc. - int time_backoff; - int retrycount; - unsigned long srcip; - unsigned long destip; - unsigned short srcport,destport; - struct SGIP_RECORD_TCP ** listendata; - int maxlisten; - int errorcode; - int want_shutdown; // 0= don't want shutdown, 1= want shutdown, 2= being shutdown - int want_reack; - // TCP buffer information: - int buf_rx_in, buf_rx_out; - int buf_tx_in, buf_tx_out; - int buf_oob_in, buf_oob_out; - unsigned char buf_rx[SGIP_TCP_RECEIVEBUFFERLENGTH]; - unsigned char buf_tx[SGIP_TCP_TRANSMITBUFFERLENGTH]; - unsigned char buf_oob[SGIP_TCP_OOBBUFFERLENGTH]; -} sgIP_Record_TCP; - -typedef struct SGIP_TCP_SYNCOOKIE { - unsigned long localseq, remoteseq; - unsigned long localip, remoteip; - unsigned short localport, remoteport; - unsigned long timenext,timebackoff; - sgIP_Record_TCP * linked; // parent listening connection -} sgIP_TCP_SYNCookie; - - - -#ifdef __cplusplus -extern "C" { -#endif - - extern void sgIP_TCP_Init(void); - extern void sgIP_TCP_Timer(void); - - extern int sgIP_TCP_ReceivePacket(sgIP_memblock * mb, unsigned long srcip, unsigned long destip); - extern int sgIP_TCP_SendPacket(sgIP_Record_TCP * rec, int flags, int datalength); // data sent is taken directly from the TX fifo. - extern int sgIP_TCP_SendSynReply(int flags,unsigned long seq, unsigned long ack, unsigned long srcip, unsigned long destip, int srcport, int destport, int windowlen); - - extern sgIP_Record_TCP * sgIP_TCP_AllocRecord(void); - extern void sgIP_TCP_FreeRecord(sgIP_Record_TCP * rec); - extern int sgIP_TCP_Bind(sgIP_Record_TCP * rec, int srcport, unsigned long srcip); - extern int sgIP_TCP_Listen(sgIP_Record_TCP * rec, int maxlisten); - extern sgIP_Record_TCP * sgIP_TCP_Accept(sgIP_Record_TCP * rec); - extern int sgIP_TCP_Close(sgIP_Record_TCP * rec); - extern int sgIP_TCP_Connect(sgIP_Record_TCP * rec, unsigned long destip, int destport); - extern int sgIP_TCP_Send(sgIP_Record_TCP * rec, const char * datatosend, int datalength, int flags); - extern int sgIP_TCP_Recv(sgIP_Record_TCP * rec, char * databuf, int buflength, int flags); - -#ifdef __cplusplus -}; -#endif - - -#endif |