tools/regression/bpf/bpf_filter/tests/test0043.h

   1 /*-
   2  * Test 0043:   Check boundary conditions (BPF_LD+BPF_H+BPF_ABS)
   3  *
   4  * $FreeBSD$
   5  */
   6
   7 /* BPF program */
   8 struct bpf_insn pc[] = {
   9         BPF_STMT(BPF_LD+BPF_IMM, 0xdeadc0de),
  10         BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 2),
  11         BPF_STMT(BPF_RET+BPF_A, 0),
  12 };
  13
  14 /* Packet */
  15 u_char  pkt[] = {
  16         0x01, 0x23, 0x45,
  17 };
  18
  19 /* Packet length seen on wire */
  20 u_int   wirelen =       sizeof(pkt);
  21
  22 /* Packet length passed on buffer */
  23 u_int   buflen =        sizeof(pkt);
  24
  25 /* Invalid instruction */
  26 int     invalid =       0;
  27
  28 /* Expected return value */
  29 u_int   expect =        0;
  30
  31 /* Expected signal */
  32 int     expect_signal = 0;