LXR qemu/slirp/tftp.h

   1/* tftp defines */
   2
   3#ifndef SLIRP_TFTP_H
   4#define SLIRP_TFTP_H
   5
   6#define TFTP_SESSIONS_MAX 20
   7
   8#define TFTP_SERVER     69
   9
  10#define TFTP_RRQ    1
  11#define TFTP_WRQ    2
  12#define TFTP_DATA   3
  13#define TFTP_ACK    4
  14#define TFTP_ERROR  5
  15#define TFTP_OACK   6
  16
  17#define TFTP_FILENAME_MAX 512
  18#define TFTP_BLOCKSIZE_MAX 1428
  19
  20struct tftp_t {
  21  struct udphdr udp;
  22  uint16_t tp_op;
  23  union {
  24    struct {
  25      uint16_t tp_block_nr;
  26      uint8_t tp_buf[TFTP_BLOCKSIZE_MAX];
  27    } tp_data;
  28    struct {
  29      uint16_t tp_error_code;
  30      uint8_t tp_msg[TFTP_BLOCKSIZE_MAX];
  31    } tp_error;
  32    char tp_buf[TFTP_BLOCKSIZE_MAX + 2];
  33  } x;
  34} __attribute__((packed));
  35
  36struct tftp_session {
  37    Slirp *slirp;
  38    char *filename;
  39    int fd;
  40    uint16_t block_size;
  41
  42    struct sockaddr_storage client_addr;
  43    uint16_t client_port;
  44    uint32_t block_nr;
  45
  46    int timestamp;
  47};
  48
  49void tftp_input(struct sockaddr_storage *srcsas, struct mbuf *m);
  50
  51#endif
  52