trafgen_lexer: support injection of shellcode

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: fix command line option

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: use stddef defines in example

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: minor: fix smoke test description

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: fix smoke testing for out of order replies

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: increase probes, decrease timeout

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: fix cpp invokation when cfg has different dir

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>