74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#ifndef GRUB_NET_TFTP_HEADER
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#define GRUB_NET_TFTP_HEADER 1
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#include <grub/misc.h>
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#include <grub/net/ethernet.h>
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#include <grub/net/udp.h>
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/* IP port for the MTFTP server used for Intel's PXE */
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#define MTFTP_SERVER_PORT 75
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#define MTFTP_CLIENT_PORT 76
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#define TFTP_DEFAULTSIZE_PACKET 512
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#define TFTP_MAX_PACKET 1432
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/* IP port for the TFTP server */
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#define TFTP_SERVER_PORT 69
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/* We define these based on what's in arpa/tftp.h. We just like our
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* names better, cause they're clearer */
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#define TFTP_RRQ 1
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#define TFTP_WRQ 2
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#define TFTP_DATA 3
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#define TFTP_ACK 4
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#define TFTP_ERROR 5
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#define TFTP_OACK 6
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#define TFTP_CODE_EOF 1
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#define TFTP_CODE_MORE 2
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#define TFTP_CODE_ERROR 3
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#define TFTP_CODE_BOOT 4
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#define TFTP_CODE_CFG 5
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#define TFTP_EUNDEF 0 /* not defined */
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#define TFTP_ENOTFOUND 1 /* file not found */
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#define TFTP_EACCESS 2 /* access violation */
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#define TFTP_ENOSPACE 3 /* disk full or allocation exceeded */
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#define TFTP_EBADOP 4 /* illegal TFTP operation */
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#define TFTP_EBADID 5 /* unknown transfer ID */
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#define TFTP_EEXISTS 6 /* file already exists */
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#define TFTP_ENOUSER 7 /* no such user */
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/* * own here because this is cleaner, and maps to the same data layout.
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* */
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typedef struct tftp_data
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{
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int file_size;
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int block;
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} *tftp_data_t;
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struct tftphdr {
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grub_uint16_t opcode;
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union {
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grub_int8_t rrq[TFTP_DEFAULTSIZE_PACKET];
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struct {
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grub_uint16_t block;
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grub_int8_t download[TFTP_MAX_PACKET];
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} data;
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struct {
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grub_uint16_t block;
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} ack;
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struct {
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grub_uint16_t errcode;
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grub_int8_t errmsg[TFTP_DEFAULTSIZE_PACKET];
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} err;
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struct {
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grub_int8_t data[TFTP_DEFAULTSIZE_PACKET+2];
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} oack;
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} u;
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} __attribute__ ((packed)) ;
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#endif
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