type safety for is_ethernet
(reversing logic, as 'rawip.rawip' is much shorter then 'ethernet.ethernet')
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ib48cc2b889e8b587e14edbe89606f887a884af87
diff --git a/bpf_progs/bpf_net_helpers.h b/bpf_progs/bpf_net_helpers.h
index 6bc3a67..0a31861 100644
--- a/bpf_progs/bpf_net_helpers.h
+++ b/bpf_progs/bpf_net_helpers.h
@@ -95,9 +95,9 @@
static const bool UPSTREAM = false;
static const bool DOWNSTREAM = true;
-// constants for passing in to 'bool is_ethernet'
-static const bool RAWIP = false;
-static const bool ETHER = true;
+struct rawip_bool { bool rawip; };
+#define ETHER ((struct rawip_bool){ .rawip = false })
+#define RAWIP ((struct rawip_bool){ .rawip = true })
// constants for passing in to 'bool updatetime'
static const bool NO_UPDATETIME = false;