sjero.net Git - dccpping/blob - checksums.h

   1 /******************************************************************************
   2 Author: Samuel Jero <sj323707@ohio.edu>
   3
   4 Date: 10/2012
   5
   6 Description: IPv4 and IPv6 Checksum code
   7 ******************************************************************************/
   8 #ifndef CHECKUMS_H
   9 #define CHECKSUMS_H
  10
  11 #include <ctype.h>
  12 #include <sys/types.h>
  13
  14 #define IP4_ADDR_LEN    4
  15 #define IP6_ADDR_LEN    16
  16
  17 u_int16_t ipv6_pseudohdr_chksum(unsigned char* buff, int len, unsigned char* dest, unsigned char* src, int type);
  18 u_int16_t ipv4_pseudohdr_chksum(unsigned char* buff, int len, unsigned char* dest, unsigned char* src, int type);
  19 u_int16_t ipv4_chksum(unsigned char* buff, int len);
  20
  21
  22 #endif