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- #ifndef _GPXE_TFTP_H
- #define _GPXE_TFTP_H
-
- /** @file
- *
- * TFTP protocol
- *
- */
-
- #include <stdint.h>
-
- #define TFTP_PORT 69 /**< Default TFTP server port */
- #define TFTP_DEFAULT_BLKSIZE 512 /**< Default TFTP data block size */
- #define TFTP_MAX_BLKSIZE 1432
-
- #define TFTP_RRQ 1 /**< Read request opcode */
- #define TFTP_WRQ 2 /**< Write request opcode */
- #define TFTP_DATA 3 /**< Data block opcode */
- #define TFTP_ACK 4 /**< Data block acknowledgement opcode */
- #define TFTP_ERROR 5 /**< Error opcode */
- #define TFTP_OACK 6 /**< Options acknowledgement opcode */
-
- #define TFTP_ERR_FILE_NOT_FOUND 1 /**< File not found */
- #define TFTP_ERR_ACCESS_DENIED 2 /**< Access violation */
- #define TFTP_ERR_DISK_FULL 3 /**< Disk full or allocation exceeded */
- #define TFTP_ERR_ILLEGAL_OP 4 /**< Illegal TFTP operation */
- #define TFTP_ERR_UNKNOWN_TID 5 /**< Unknown transfer ID */
- #define TFTP_ERR_FILE_EXISTS 6 /**< File already exists */
- #define TFTP_ERR_UNKNOWN_USER 7 /**< No such user */
- #define TFTP_ERR_BAD_OPTS 8 /**< Option negotiation failed */
-
- #define MTFTP_PORT 1759 /**< Default MTFTP server port */
-
- /** A TFTP read request (RRQ) packet */
- struct tftp_rrq {
- uint16_t opcode;
- char data[0];
- } __attribute__ (( packed ));
-
- /** A TFTP data (DATA) packet */
- struct tftp_data {
- uint16_t opcode;
- uint16_t block;
- uint8_t data[0];
- } __attribute__ (( packed ));
-
- /** A TFTP acknowledgement (ACK) packet */
- struct tftp_ack {
- uint16_t opcode;
- uint16_t block;
- } __attribute__ (( packed ));
-
- /** A TFTP error (ERROR) packet */
- struct tftp_error {
- uint16_t opcode;
- uint16_t errcode;
- char errmsg[0];
- } __attribute__ (( packed ));
-
- /** A TFTP options acknowledgement (OACK) packet */
- struct tftp_oack {
- uint16_t opcode;
- char data[0];
- } __attribute__ (( packed ));
-
- /** The common header of all TFTP packets */
- struct tftp_common {
- uint16_t opcode;
- } __attribute__ (( packed ));
-
- /** A union encapsulating all TFTP packet types */
- union tftp_any {
- struct tftp_common common;
- struct tftp_rrq rrq;
- struct tftp_data data;
- struct tftp_ack ack;
- struct tftp_error error;
- struct tftp_oack oack;
- };
-
- extern void tftp_set_request_blksize ( unsigned int blksize );
-
- #endif /* _GPXE_TFTP_H */
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