slirp/tftp.h

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