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2022-01-04 12:22:53 +02:00

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6.3 KiB
C

#ifndef __tftp_h__
#define __tftp_h__
/**HEADER********************************************************************
*
* Copyright (c) 2008 Freescale Semiconductor;
* All Rights Reserved
*
* Copyright (c) 2004-2008 Embedded Access Inc.;
* All Rights Reserved
*
* Copyright (c) 1989-2008 ARC International;
* All Rights Reserved
*
***************************************************************************
*
* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED 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 FREESCALE OR ITS 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.
*
**************************************************************************
*
* $FileName: tftp.h$
* $Version : 3.8.12.0$
* $Date : Jun-14-2012$
*
* Comments:
*
* This file contains the definitions needed by TFTP.
*
*END************************************************************************/
/* Constants */
#define TFTPOP_RRQ 1
#define TFTPOP_WRQ 2
#define TFTPOP_DATA 3
#define TFTPOP_ACK 4
#define TFTPOP_ERROR 5
#define TFTPERR_UNKNOWN 0
#define TFTPERR_FILE_NOT_FOUND 1
#define TFTPERR_ACCESS_VIOLATION 2
#define TFTPERR_DISK_FULL 3
#define TFTPERR_ILLEGAL_OP 4
#define TFTPERR_ILLEGAL_TID 5
#define TFTPERR_FILE_EXISTS 6
#define TFTPERR_ILLEGAL_USER 7
#define TFTP_DATA_SIZE 512
#define TFTPSRV_MAX_TRANSACTIONS 20
#define TFTP_TIMEOUT_RETRIES 1 /* retransmit forever */
#define TFTP_TIMEOUT_MIN 5000 /* 5 seconds */
#define TFTP_TIMEOUT_MAX 60000 /* 1 minute */
#define TFTP_MAX_MESSAGE_SIZE 576
/*
** TFTP_MAX_MODE_SIZE is set to 9 because "netascii" is eight characters, plus
** one for the NUL, if TFTP ever allows other mode types with more characters,
** this value will have to be increased accordingly.
*/
#define TFTP_MAX_MODE_SIZE 9
#define TFTPSRV_INFINITE_RETRIES -1
/*
** This value can be set to TFTP_INFINITE_RETRIES if the end user wishes to
** never cancel a transaction. The default value when shipped is 20.
*/
#define TFTPSRV_TIMEOUT_RETRIES 20
/* TFTP Structure definitions */
typedef struct tftp_header {
uchar OP[2];
uchar BLOCK[2];
} TFTP_HEADER, _PTR_ TFTP_HEADER_PTR;
/* TFTP data packet */
typedef struct tftp_packet {
TFTP_HEADER HEAD;
uchar DATA[TFTP_DATA_SIZE];
} TFTP_PACKET, _PTR_ TFTP_PACKET_PTR;
/* The Illegal TID error packet */
typedef struct tftp_error_packet {
uchar OP[2];
uchar CODE[2];
uchar MSG[25];
} TFTP_ERROR_PACKET, _PTR_ TFTP_ERROR_PACKET_PTR;
typedef struct tftp_to_struct {
uint_32 TS;
boolean UPDATE;
uint_32 TO;
uint_32 M;
uint_32 D;
} TFTP_TO_STRUCT, _PTR_ TFTP_TO_STRUCT_PTR;
typedef struct tftp_trans_struct {
struct tftp_trans_struct _PTR_ NEXT;
struct tftp_trans_struct _PTR_ _PTR_ PREV;
uint_32 TIME;
uint_32 SOCK;
MQX_FILE_PTR TRANS_FILE_PTR;
sockaddr_in ADDR;
uint_32 RECV_OP;
uint_32 SEND_OP;
uint_32 BLOCK;
uint_32 SEND_SIZE;
TFTP_TO_STRUCT XMIT_TIMER;
uint_32 NUM_RETRIES;
boolean EXIT;
TFTP_PACKET SND;
} TFTP_TRANS_STRUCT, _PTR_ TFTP_TRANS_STRUCT_PTR;
/* The state structure for the TFTP Server */
typedef struct tftpsrv_state_struct {
/* DO NOT INSERT ANYTHING BETWEEN SRV_SOCK and SOCKETS! */
uint_32 SRV_SOCK;
uint_32 SOCKETS[TFTPSRV_MAX_TRANSACTIONS];
TFTP_TRANS_STRUCT _PTR_ TRANS_PTRS[TFTPSRV_MAX_TRANSACTIONS];
TFTP_TRANS_STRUCT _PTR_ EVENT_HEAD;
uint_32 NUM_TRANSACTIONS;
uchar BUFFER[TFTP_MAX_MESSAGE_SIZE];
} TFTPSRV_STATE_STRUCT, _PTR_ TFTPSRV_STATE_STRUCT_PTR;
/* TFTP Macros */
#define TFTP_WAIT(t) RTCS_selectset(&TFTP_config.SOCK, 1, t)
#define TFTP_RECV(p) recvfrom(TFTP_config.SOCK, &(p), sizeof(p), 0, \
(sockaddr *)&remote_addr, &remote_size)
#define TFTP_SEND(s,p,a) sendto(s, &(p), sizeof(p), 0, (sockaddr *)&(a), sizeof(a))
#define TFTP_SENDRRQ() sendto(TFTP_config.SOCK, TFTP_config.RRQ_PTR, TFTP_config.RRQ_LEN, 0, \
(sockaddr *)(&TFTP_config.SADDR), sizeof(TFTP_config.SADDR))
#define TFTP_RESEND() TFTP_config.RRQ_PTR ? TFTP_SENDRRQ() : TFTP_SEND(TFTP_config.SOCK, TFTP_config.ACK, TFTP_config.SADDR)
extern TFTP_ERROR_PACKET _tftp_error_tid;
extern TFTP_ERROR_PACKET _tftp_error_op;
extern TFTP_ERROR_PACKET _tftp_error_accvio;
extern TFTP_ERROR_PACKET _tftp_error_srv;
extern TFTP_ERROR_PACKET _tftp_error_busy;
extern TFTP_ERROR_PACKET _tftp_error_to;
extern TFTP_ERROR_PACKET _tftp_error_nofile;
extern TFTP_ERROR_PACKET _tftp_error_exists;
extern void TFTPSRV_service_request (TFTPSRV_STATE_STRUCT_PTR);
extern void TFTPSRV_service_transaction (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
extern void TFTPSRV_close_transaction (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
extern uint_32 TFTPSRV_service_timer (TFTPSRV_STATE_STRUCT_PTR);
extern void TFTPSRV_build_ACK (TFTP_TRANS_STRUCT_PTR);
extern void TFTPSRV_build_DATA (TFTP_TRANS_STRUCT_PTR);
extern void TFTPSRV_send (TFTP_TRANS_STRUCT_PTR);
extern void TFTPSRV_timer_start (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR, uint_32);
extern void TFTPSRV_timer_cancel (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
extern uint_32 TFTPSRV_open_device (uint_32, char_ptr, char_ptr, MQX_FILE_PTR _PTR_);
extern uint_32 TFTP_timeout_init (TFTP_TO_STRUCT_PTR);
extern uint_32 TFTP_timeout_restart (TFTP_TO_STRUCT_PTR);
extern uint_32 TFTP_timeout_update (TFTP_TO_STRUCT_PTR);
extern uint_32 TFTP_timeout_left (TFTP_TO_STRUCT_PTR, boolean _PTR_);
#endif
/* EOF */