diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpxe/buffer.h | 106 | ||||
| -rw-r--r-- | src/include/tftp.h | 172 | ||||
| -rw-r--r-- | src/include/tftpcore.h | 33 |
3 files changed, 0 insertions, 311 deletions
diff --git a/src/include/gpxe/buffer.h b/src/include/gpxe/buffer.h deleted file mode 100644 index cb7c0870e..000000000 --- a/src/include/gpxe/buffer.h +++ /dev/null @@ -1,106 +0,0 @@ -#ifndef _GPXE_BUFFER_H -#define _GPXE_BUFFER_H - -#include <stdint.h> -#include <errno.h> -#include <gpxe/uaccess.h> - -/** @file - * - * Buffers for loading files. - * - * This file provides routines for filling a buffer with data received - * piecemeal, where the size of the data is not necessarily known in - * advance. - * - * Some protocols do not provide a mechanism for us to know the size - * of the file before we happen to receive a particular block - * (e.g. the final block in an MTFTP transfer). In addition, some - * protocols (e.g. the multicast protocols) can, in theory, provide - * the data in any order. - * - * Example usage: - * - * @code - * - * struct buffer my_buffer; - * void *data; - * off_t offset; - * size_t len; - * - * // We have an area of memory [buf_start,buf_start+len) into which to - * // load a file, where buf_start is a userptr_t. - * memset ( &buffer, 0, sizeof ( buffer ) ); - * buffer->start = buf_start; - * buffer->len = len; - * ... - * while ( get_file_block ( ... ) ) { - * // Downloaded block is stored in [data,data+len), and represents - * // the portion of the file at offsets [offset,offset+len) - * if ( fill_buffer ( &buffer, data, offset, len ) != 0 ) { - * // An error occurred - * } - * ... - * } - * ... - * // The whole file is now present at [buf_start,buf_start+filesize), - * // where buf_start is a userptr_t. The struct buffer can simply - * // be discarded. - * - * @endcode - * - */ - -/** - * A data buffer - * - * A buffer looks something like this: - * - * @code - * - * XXXXXXXXXXXXXXXXX.........XXX..........XXXXXXX........XXXXXX......... - * - * ^ - * | - * start - * - * <----- fill ----> - * - * <------------------------ free ----------------------------> - * - * <------------------------------ len --------------------------------> - * - * @endcode - * - * #start and #len denote the real boundaries of the buffer. #fill - * denotes the offset to the first free block in the buffer. (If the - * buffer is full, #fill, #free and #len will all be equal.) - * - */ -struct buffer { - /** Start of buffer */ - userptr_t addr; - /** Total length of buffer */ - size_t len; - /** Offset to first free block within buffer */ - size_t fill; - /** Offset to last free block within buffer */ - size_t free; - /** Expand data buffer - * - * @v buffer Data buffer - * @v new_len New length - * @ret rc Return status code - * - * Expand the data buffer to accommodate more data. This - * method is optional; if it is @c NULL then the buffer will - * not be expandable. - */ - int ( * expand ) ( struct buffer *buffer, size_t new_len ); -}; - -extern int fill_buffer ( struct buffer *buffer, const void *data, - size_t offset, size_t len ); -extern int expand_buffer ( struct buffer *buffer, size_t new_len ); - -#endif /* _GPXE_BUFFER_H */ diff --git a/src/include/tftp.h b/src/include/tftp.h deleted file mode 100644 index bdc63374f..000000000 --- a/src/include/tftp.h +++ /dev/null @@ -1,172 +0,0 @@ -#ifndef TFTP_H -#define TFTP_H - -/** @file */ - -#include <gpxe/in.h> -#include <gpxe/buffer.h> -#include "nic.h" -#include "ip.h" -#include "udp.h" - -#define TFTP_PORT 69 /**< Default TFTP server port */ -#define TFTP_DEFAULT_BLKSIZE 512 -#define TFTP_MAX_BLKSIZE 1432 /* 512 */ - -#define TFTP_RRQ 1 -#define TFTP_WRQ 2 -#define TFTP_DATA 3 -#define TFTP_ACK 4 -#define TFTP_ERROR 5 -#define TFTP_OACK 6 - -#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 */ - -/** A TFTP request (RRQ) packet */ -struct tftp_rrq { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; - char data[TFTP_DEFAULT_BLKSIZE]; -} PACKED; - -/** A TFTP data (DATA) packet */ -struct tftp_data { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; - uint16_t block; - uint8_t data[TFTP_MAX_BLKSIZE]; -} PACKED; - -/** A TFTP acknowledgement (ACK) packet */ -struct tftp_ack { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; - uint16_t block; -} PACKED; - -/** A TFTP error (ERROR) packet */ -struct tftp_error { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; - uint16_t errcode; - char errmsg[TFTP_DEFAULT_BLKSIZE]; -} PACKED; - -/** A TFTP options acknowledgement (OACK) packet */ -struct tftp_oack { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; - uint8_t data[TFTP_DEFAULT_BLKSIZE]; -} PACKED; - -/** The common header of all TFTP packets */ -struct tftp_common { - struct iphdr ip; - struct udphdr udp; - uint16_t opcode; -} 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; -}; - -/** - * TFTP state - * - * This data structure holds the state for an ongoing TFTP transfer. - */ -struct tftp_state { - /** TFTP server address - * - * This is the IP address and UDP port from which data packets - * will be sent, and to which ACK packets should be sent. - */ - struct sockaddr_in server; - /** TFTP client port - * - * This is the UDP port from which the open request will be - * sent, and to which any unicast data packets will be sent. - */ - uint16_t lport; - /** TFTP multicast address - * - * This is the IP address and UDP port to which multicast data - * packets, if any, will be sent. - */ - struct sockaddr_in multicast; - /** Master client - * - * This will be true if the client is the master client for a - * multicast protocol (i.e. MTFTP or TFTM). (It will always - * be true for a non-multicast protocol, i.e. plain old TFTP). - */ - int master; - /** Data block size - * - * This is the "blksize" option negotiated with the TFTP - * server. (If the TFTP server does not support TFTP options, - * this will default to 512). - */ - unsigned int blksize; - /** File size - * - * This is the value returned in the "tsize" option from the - * TFTP server. If the TFTP server does not support the - * "tsize" option, this value will be zero. - */ - off_t tsize; - /** Last received block - * - * The block number of the most recent block received from the - * TFTP server. Note that the first data block is block 1; a - * value of 0 indicates that no data blocks have yet been - * received. - * - * For multicast TFTP protocols, where the blocks may not be - * received in strict order, the meaning of this field changes - * slightly, to "first missing block minus one". For example, - * suppose that we have received blocks 1, 2, 4 and 5; this - * field would then have the value 2, since the first missing - * block is block 3. If the blocks do arrive in strict order, - * this definition is exactly equivalent to "most recently - * received block". - */ - unsigned int block; -}; - - - -struct tftpreq_info_t { - struct sockaddr_in *server; - const char *name; - unsigned short blksize; -} PACKED; - -struct tftpblk_info_t { - char *data; - unsigned int block; - unsigned int len; - int eof; -} PACKED; - -#define TFTP_MIN_PACKET (sizeof(struct iphdr) + sizeof(struct udphdr) + 4) - -#endif /* TFTP_H */ diff --git a/src/include/tftpcore.h b/src/include/tftpcore.h deleted file mode 100644 index 52f63bd9c..000000000 --- a/src/include/tftpcore.h +++ /dev/null @@ -1,33 +0,0 @@ -#ifndef TFTPCORE_H -#define TFTPCORE_H - -/** @file - * - * TFTP core functions - * - * This file provides functions that are common to the TFTP (rfc1350), - * TFTM (rfc2090) and MTFTP (PXE) protocols. - * - */ - -#include "tftp.h" - -extern int tftp_open ( struct tftp_state *state, const char *filename, - union tftp_any **reply, int multicast ); - -extern int tftp_process_opts ( struct tftp_state *state, - struct tftp_oack *oack ); - -extern int tftp_ack_nowait ( struct tftp_state *state ); - -extern int tftp_get ( struct tftp_state *state, long timeout, - union tftp_any **reply ); - -extern int tftp_ack ( struct tftp_state *state, union tftp_any **reply ); - -extern int tftp_error ( struct tftp_state *state, int errcode, - const char *errmsg ); - -extern void tftp_set_errno ( struct tftp_error *error ); - -#endif /* TFTPCORE_H */ |