diff --git a/sys/compat/linuxkpi/common/src/linux_80211.h b/sys/compat/linuxkpi/common/src/linux_80211.h
--- a/sys/compat/linuxkpi/common/src/linux_80211.h
+++ b/sys/compat/linuxkpi/common/src/linux_80211.h
@@ -61,6 +61,7 @@
 #define	D80211_TRACEX		(D80211_TRACE_TX|D80211_TRACE_RX)
 #define	D80211_TRACEX_DUMP	(D80211_TRACE_TX_DUMP|D80211_TRACE_RX_DUMP)
 #define	D80211_TRACE_STA	0x00010000
+#define	D80211_TRACE_CRYPTO	0x00020000
 #define	D80211_TRACE_MO		0x00100000
 #define	D80211_TRACE_MODE	0x0f000000
 #define	D80211_TRACE_MODE_HT	0x01000000
diff --git a/sys/compat/linuxkpi/common/src/linux_80211.c b/sys/compat/linuxkpi/common/src/linux_80211.c
--- a/sys/compat/linuxkpi/common/src/linux_80211.c
+++ b/sys/compat/linuxkpi/common/src/linux_80211.c
@@ -102,9 +102,15 @@
     printf("XXX-TODO %s:%d: UNIMPLEMENTED\n", __func__, __LINE__)
 #define	TRACEOK()		if (linuxkpi_debug_80211 & D80211_TRACEOK)	\
     printf("XXX-TODO %s:%d: TRACEPOINT\n", __func__, __LINE__)
+
+#define LKPI_80211_TRACE_CRYPTO(fmt, ...)                               \
+    if (linuxkpi_debug_80211 & D80211_TRACE_CRYPTO)                     \
+        printf("LKPI_80211_TRACE_CRYPTO %s:%d: %u_" fmt "\n",           \
+            __func__, __LINE__, (unsigned int)ticks, __VA_ARGS__)
 #else
 #define	UNIMPLEMENTED		do { } while (0)
 #define	TRACEOK()		do { } while (0)
+#define LKPI_80211_TRACE_CRYPTO(...)    do { } while(0)
 #endif
 
 /* #define	PREP_TX_INFO_DURATION	(IEEE80211_TRANS_WAIT * 1000) */