diff options
Diffstat (limited to 'roms/ipxe/src/include/ipxe/tftp.h')
-rw-r--r-- | roms/ipxe/src/include/ipxe/tftp.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/roms/ipxe/src/include/ipxe/tftp.h b/roms/ipxe/src/include/ipxe/tftp.h new file mode 100644 index 00000000..aecafa2a --- /dev/null +++ b/roms/ipxe/src/include/ipxe/tftp.h @@ -0,0 +1,83 @@ +#ifndef _IPXE_TFTP_H +#define _IPXE_TFTP_H + +/** @file + * + * TFTP protocol + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#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; +}; + +#endif /* _IPXE_TFTP_H */ |