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 udphdr udp;
  20   uint16_t tp_op;
  21   union {
  22     struct {
  23       uint16_t tp_block_nr;
  24       uint8_t tp_buf[512];
  25     } tp_data;
  26     struct {
  27       uint16_t tp_error_code;
  28       uint8_t tp_msg[512];
  29     } tp_error;
  30     char tp_buf[512 + 2];
  31   } x;
  32 } __attribute__((packed));
  33
  34 struct tftp_session {
  35     Slirp *slirp;
  36     char *filename;
  37     int fd;
  38
  39     struct sockaddr_storage client_addr;
  40     uint16_t client_port;
  41     uint32_t block_nr;
  42
  43     int timestamp;
  44 };
  45
  46 void tftp_input(struct sockaddr_storage *srcsas, struct mbuf *m);
  47
  48 #endif