98 lines
2.0 KiB
C
Executable File
98 lines
2.0 KiB
C
Executable File
#ifndef __TFTP_H
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#define __TFTP_H
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/*
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* Trivial File Transfer Protocol (IEN-133)
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*/
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#define SEGSIZE 512 /* data segment size */
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/*
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* Packet types.
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*/
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#define RRQ 01 /* read request */
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#define WRQ 02 /* write request */
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#define DATA 03 /* data packet */
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#define ACK 04 /* acknowledgement */
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#define ERROR 05 /* error code */
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struct tftphdr {
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short th_opcode; /* packet type */
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union {
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unsigned short tu_block; /* block # */
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short tu_code; /* error code */
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char tu_stuff[1]; /* request packet stuff */
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} __attribute__ ((__packed__)) th_u;
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char th_data[0]; /* data or error string */
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} __attribute__ ((__packed__));
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#define th_block th_u.tu_block
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#define th_code th_u.tu_code
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#define th_stuff th_u.tu_stuff
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#define th_msg th_data
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/*
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* Error codes.
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*/
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#define EUNDEF 0 /* not defined */
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#define ENOTFOUND 1 /* file not found */
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#define EACCESS 2 /* access violation */
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#define ENOSPACE 3 /* disk full or allocation exceeded */
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#define EBADOP 4 /* illegal TFTP operation */
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#define EBADID 5 /* unknown transfer ID */
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#define EEXISTS 6 /* file already exists */
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#define ENOUSER 7 /* no such user */
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#ifdef BOOT_LZMA_SUPPORT
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/*
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* Max length of filename
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* frankliao added 20100511
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*/
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#define FILE_NAME_LENGTH 128
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#define MODE_NAME_LENGTH 12
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/*
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* Base address of tftp buffer
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* frankliao added 20100511
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*/
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#define TFTP_BUF_BASE 0x80020000
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/*
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* The name of tcboot
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* frankliao added 20100511
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*/
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#define TCBOOT_NAME "tcboot.bin"
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/*
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* The namd of tclinux kernel
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* frankliao added 20100511
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*/
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#define TCLINUX_NAME "tclinux.bin"
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/*
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* Write file type
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* frankliao added 20100511
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*/
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#define TCBOOT 1
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#define TCLINUX 2
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#define ERRFILE -1
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/*
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* frankliao added 20100511
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* checksum length (byte)
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*/
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#define CKSUM_LENGTH 4
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#endif
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int tftp_send_ack(struct tftphdr *tftp_hdr, int block);
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int tftp_rcv_wrq(sk_buff *skb);
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int tftp_rcv_data(sk_buff *skb);
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int tftp_rcv_packet(sk_buff *skb);
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#endif /* __TFTP_H */
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