trafgen_conf.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2009, 2010 Daniel Borkmann.
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #ifndef TRAFGEN_CONF
   9 #define TRAFGEN_CONF
  10
  11 #include <stdint.h>
  12 #include <stdio.h>
  13 #include <sys/types.h>
  14
  15 #define TYPE_INC        0
  16 #define TYPE_DEC        1
  17
  18 enum csum {
  19         CSUM_IP,
  20         CSUM_UDP,
  21         CSUM_TCP,
  22 };
  23
  24 struct counter {
  25         int type;
  26         uint8_t min, max, inc, val;
  27         off_t off;
  28 };
  29
  30 struct randomizer {
  31         off_t off;
  32 };
  33
  34 struct csum16 {
  35         off_t off, from, to;
  36         enum csum which;
  37 };
  38
  39 struct packet {
  40         uint8_t *payload;
  41         size_t len;
  42 };
  43
  44 struct packet_dyn {
  45         struct counter *cnt;
  46         size_t clen;
  47         struct randomizer *rnd;
  48         size_t rlen;
  49         struct csum16 *csum;
  50         size_t slen;
  51 };
  52
  53 extern int compile_packets(char *file, int verbose, int cpu, bool invoke_cpp);
  54 extern void cleanup_packets(void);
  55
  56 #endif /* TRAFGEN_CONF */