minix/net/lwip/tcpisn.h

   1 #ifndef MINIX_NET_LWIP_TCPISN_H
   2 #define MINIX_NET_LWIP_TCPISN_H
   3
   4 /*
   5  * Length, in bytes, of the secret (random seed) that is used as part of the
   6  * input to the hashing function that generates TCP Initial Sequence Numbers.
   7  */
   8 #define TCPISN_SECRET_LENGTH            16
   9
  10 /*
  11  * Size of the hexadecimal-string representation of the secret, including
  12  * trailing null terminator.
  13  */
  14 #define TCPISN_SECRET_HEX_LENGTH        (TCPISN_SECRET_LENGTH * 2 + 1)
  15
  16 void tcpisn_init(void);
  17 ssize_t tcpisn_secret(struct rmib_call * call, struct rmib_node * node,
  18         struct rmib_oldp * oldp, struct rmib_newp * newp);
  19
  20 #endif /* !MINIX_NET_LWIP_TCPISN_H */