trafgen_conf.h

   1 #ifndef TRAFGEN_CONF
   2 #define TRAFGEN_CONF
   3
   4 #include <stdint.h>
   5 #include <stdio.h>
   6 #include <sys/types.h>
   7
   8 #define TYPE_INC        0
   9 #define TYPE_DEC        1
  10
  11 enum csum {
  12         CSUM_IP,
  13         CSUM_UDP,
  14         CSUM_TCP,
  15         CSUM_UDP6,
  16         CSUM_TCP6,
  17 };
  18
  19 struct counter {
  20         int type;
  21         uint8_t min, max, inc, val;
  22         off_t off;
  23 };
  24
  25 struct randomizer {
  26         off_t off;
  27 };
  28
  29 struct csum16 {
  30         off_t off, from, to;
  31         enum csum which;
  32 };
  33
  34 struct packet {
  35         uint8_t *payload;
  36         size_t len;
  37 };
  38
  39 struct packet_dyn {
  40         struct counter *cnt;
  41         size_t clen;
  42         struct randomizer *rnd;
  43         size_t rlen;
  44         struct csum16 *csum;
  45         size_t slen;
  46 };
  47
  48 static inline bool packet_dyn_has_elems(struct packet_dyn *p)
  49 {
  50         return (p->clen || p->rlen || p->slen);
  51 }
  52
  53 static inline bool packet_dyn_has_only_csums(struct packet_dyn *p)
  54 {
  55         return (p->clen == 0 && p->rlen == 0 && p->slen);
  56 }
  57
  58 extern void compile_packets_str(char *str, bool verbose, unsigned int cpu);
  59 extern void compile_packets(char *file, bool verbose, unsigned int cpu,
  60                             bool invoke_cpp, char *const cpp_argv[]);
  61 extern void cleanup_packets(void);
  62
  63 extern void set_fill(uint8_t val, size_t len);
  64
  65 extern struct packet *current_packet(void);
  66
  67 #endif /* TRAFGEN_CONF */