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-rw-r--r--sys/net/if_ethersubr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index 25004b4..d20fb65 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -101,6 +101,11 @@ extern u_char aarp_org_code[3];
#include <security/mac/mac_framework.h>
+#ifdef CTASSERT
+CTASSERT(sizeof (struct ether_header) == ETHER_ADDR_LEN * 2 + 2);
+CTASSERT(sizeof (struct ether_addr) == ETHER_ADDR_LEN);
+#endif
+
/* netgraph node hooks for ng_ether(4) */
void (*ng_ether_input_p)(struct ifnet *ifp, struct mbuf **mp);
void (*ng_ether_input_orphan_p)(struct ifnet *ifp, struct mbuf *m);
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