qemu/slirp/tftp.h
Hervé Poussineau 9443598d7e slirp: support dynamic block size for TFTP transfers
The blocksize option is defined in RFC 1783 and RFC 2348.
We now support block sizes between 1 and 1428 bytes, instead of 512 only.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-12-21 00:02:15 +01:00

51 lines
939 B
C

/* tftp defines */
#ifndef SLIRP_TFTP_H
#define SLIRP_TFTP_H
#define TFTP_SESSIONS_MAX 20
#define TFTP_SERVER 69
#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_FILENAME_MAX 512
#define TFTP_BLOCKSIZE_MAX 1428
struct tftp_t {
struct udphdr udp;
uint16_t tp_op;
union {
struct {
uint16_t tp_block_nr;
uint8_t tp_buf[TFTP_BLOCKSIZE_MAX];
} tp_data;
struct {
uint16_t tp_error_code;
uint8_t tp_msg[TFTP_BLOCKSIZE_MAX];
} tp_error;
char tp_buf[TFTP_BLOCKSIZE_MAX + 2];
} x;
} __attribute__((packed));
struct tftp_session {
Slirp *slirp;
char *filename;
int fd;
uint16_t block_size;
struct sockaddr_storage client_addr;
uint16_t client_port;
uint32_t block_nr;
int timestamp;
};
void tftp_input(struct sockaddr_storage *srcsas, struct mbuf *m);
#endif