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
  19 struct tftp_t {
  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 } __attribute__((packed));
  34
  35 struct tftp_session {
  36     Slirp *slirp;
  37     char *filename;
  38     int fd;
  39
  40     struct sockaddr_storage client_addr;
  41     uint16_t client_port;
  42     uint32_t block_nr;
  43
  44     int timestamp;
  45 };
  46
  47 void tftp_input(struct sockaddr_storage *srcsas, struct mbuf *m);
  48
  49 #endif