trafgen_conf.h

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