diff --git a/sys/dev/ath/if_ath_tx.c b/sys/dev/ath/if_ath_tx.c
--- a/sys/dev/ath/if_ath_tx.c
+++ b/sys/dev/ath/if_ath_tx.c
@@ -1133,8 +1133,7 @@
 	 * Calculate duration.  This logically belongs in the 802.11
 	 * layer but it lacks sufficient information to calculate it.
 	 */
-	if ((flags & HAL_TXDESC_NOACK) == 0 &&
-	    (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL) {
+	if ((flags & HAL_TXDESC_NOACK) == 0 && (!IEEE80211_IS_CTL(wh))) {
 		u_int16_t dur;
 		if (shortPreamble)
 			dur = rt->info[rix].spAckDuration;
@@ -2577,25 +2576,6 @@
  * It's a dirty hack, but someone's gotta do it.
  */
 
-/*
- * XXX doesn't belong here!
- */
-static int
-ieee80211_is_action(struct ieee80211_frame *wh)
-{
-	/* Type: Management frame? */
-	if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=
-	    IEEE80211_FC0_TYPE_MGT)
-		return 0;
-
-	/* Subtype: Action frame? */
-	if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) !=
-	    IEEE80211_FC0_SUBTYPE_ACTION)
-		return 0;
-
-	return 1;
-}
-
 /*
  * Return an alternate TID for ADDBA request frames.
  *
@@ -2612,7 +2592,7 @@
 	uint16_t baparamset;
 
 	/* Not action frame? Bail */
-	if (! ieee80211_is_action(wh))
+	if (! IEEE80211_IS_MGMT_ACTION(wh))
 		return 0;
 
 	/* XXX Not needed for frames we send? */
diff --git a/sys/dev/ipw/if_ipw.c b/sys/dev/ipw/if_ipw.c
--- a/sys/dev/ipw/if_ipw.c
+++ b/sys/dev/ipw/if_ipw.c
@@ -1119,7 +1119,7 @@
 
 	wh = mtod(m, struct ieee80211_frame *);
 
-	if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
+	if (! IEEE80211_IS_MGMT(wh))
 		return;
 
 	subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
diff --git a/sys/dev/iwn/if_iwn.c b/sys/dev/iwn/if_iwn.c
--- a/sys/dev/iwn/if_iwn.c
+++ b/sys/dev/iwn/if_iwn.c
@@ -4624,9 +4624,7 @@
 		    IEEE80211_QOS_ACKPOLICY_NOACK)
 			flags |= IWN_TX_NEED_ACK;
 	}
-	if ((wh->i_fc[0] &
-	    (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-	    (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR))
+	if (IEEE80211_IS_CTL_BAR(wh))
 		flags |= IWN_TX_IMM_BA;		/* Cannot happen yet. */
 
 	if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG)
diff --git a/sys/dev/malo/if_malo.c b/sys/dev/malo/if_malo.c
--- a/sys/dev/malo/if_malo.c
+++ b/sys/dev/malo/if_malo.c
@@ -94,13 +94,9 @@
 	MALO_DEBUG_FW		= 0x00008000,	/* firmware */
 	MALO_DEBUG_ANY		= 0xffffffff
 };
-#define	IS_BEACON(wh)							\
-	((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK |			\
-		IEEE80211_FC0_SUBTYPE_MASK)) ==				\
-	 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON))
 #define	IFF_DUMPPKTS_RECV(sc, wh)					\
 	(((sc->malo_debug & MALO_DEBUG_RECV) &&				\
-	  ((sc->malo_debug & MALO_DEBUG_RECV_ALL) || !IS_BEACON(wh))))
+	  ((sc->malo_debug & MALO_DEBUG_RECV_ALL) || !IEEE80211_IS_MGMT_BEACON(wh))))
 #define	IFF_DUMPPKTS_XMIT(sc)						\
 	(sc->malo_debug & MALO_DEBUG_XMIT)
 #define	DPRINTF(sc, m, fmt, ...) do {				\
@@ -1025,8 +1021,6 @@
 malo_tx_start(struct malo_softc *sc, struct ieee80211_node *ni,
     struct malo_txbuf *bf, struct mbuf *m0)
 {
-#define	IS_DATA_FRAME(wh)						\
-	((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK)) == IEEE80211_FC0_TYPE_DATA)
 	int error, iswep;
 	int hdrlen, pktlen;
 	struct ieee80211_frame *wh;
@@ -1150,7 +1144,7 @@
 	ds->pktptr = htole32(bf->bf_segs[0].ds_addr);
 	ds->pktlen = htole16(bf->bf_segs[0].ds_len);
 	/* NB: pPhysNext setup once, don't touch */
-	ds->datarate = IS_DATA_FRAME(wh) ? 1 : 0;
+	ds->datarate = IEEE80211_IS_DATA(wh) ? 1 : 0;
 	ds->sap_pktinfo = 0;
 	ds->format = 0;
 
@@ -1183,7 +1177,7 @@
 #endif
 
 	MALO_TXQ_LOCK(txq);
-	if (!IS_DATA_FRAME(wh))
+	if (!IEEE80211_IS_DATA(wh))
 		ds->status |= htole32(1);
 	ds->status |= htole32(MALO_TXD_STATUS_FW_OWNED);
 	STAILQ_INSERT_TAIL(&txq->active, bf, bf_list);
diff --git a/sys/dev/mwl/if_mwl.c b/sys/dev/mwl/if_mwl.c
--- a/sys/dev/mwl/if_mwl.c
+++ b/sys/dev/mwl/if_mwl.c
@@ -226,12 +226,9 @@
 	MWL_DEBUG_AMPDU		= 0x00004000,	/* BA stream handling */
 	MWL_DEBUG_ANY		= 0xffffffff
 };
-#define	IS_BEACON(wh) \
-    ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) == \
-	 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON))
 #define	IFF_DUMPPKTS_RECV(sc, wh) \
     ((sc->sc_debug & MWL_DEBUG_RECV) && \
-      ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IS_BEACON(wh)))
+      ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IEEE80211_IS_MGMT_BEACON(wh)))
 #define	IFF_DUMPPKTS_XMIT(sc) \
 	(sc->sc_debug & MWL_DEBUG_XMIT)
 
@@ -2553,7 +2550,7 @@
 {
 	const struct ieee80211_frame *wh = data;
 
-	if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
+	if (IEEE80211_IS_CTL(wh)) {
 		switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
 		case IEEE80211_FC0_SUBTYPE_CTS:
 		case IEEE80211_FC0_SUBTYPE_ACK:
diff --git a/sys/dev/otus/if_otus.c b/sys/dev/otus/if_otus.c
--- a/sys/dev/otus/if_otus.c
+++ b/sys/dev/otus/if_otus.c
@@ -1686,8 +1686,7 @@
 	 * with invalid frame control values here.  Just toss them
 	 * rather than letting net80211 get angry and log.
 	 */
-	if ((wh->i_fc[0] & IEEE80211_FC0_VERSION_MASK) !=
-	    IEEE80211_FC0_VERSION_0) {
+	if (! IEEE80211_IS_FC0_CHECK_VER(wh, IEEE80211_FC0_VERSION_0)) {
 		OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE,
 		    "%s: invalid 802.11 fc version (firmware bug?)\n",
 		        __func__);
diff --git a/sys/dev/ral/rt2560.c b/sys/dev/ral/rt2560.c
--- a/sys/dev/ral/rt2560.c
+++ b/sys/dev/ral/rt2560.c
@@ -1558,10 +1558,7 @@
 		*(uint16_t *)wh->i_dur = htole16(dur);
 
 		/* tell hardware to add timestamp for probe responses */
-		if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
-		    IEEE80211_FC0_TYPE_MGT &&
-		    (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
-		    IEEE80211_FC0_SUBTYPE_PROBE_RESP)
+		if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 			flags |= RT2560_TX_TIMESTAMP;
 	}
 
diff --git a/sys/dev/ral/rt2661.c b/sys/dev/ral/rt2661.c
--- a/sys/dev/ral/rt2661.c
+++ b/sys/dev/ral/rt2661.c
@@ -1326,9 +1326,7 @@
 		*(uint16_t *)wh->i_dur = htole16(dur);
 
 		/* tell hardware to add timestamp in probe responses */
-		if ((wh->i_fc[0] &
-		    (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-		    (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+		if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 			flags |= RT2661_TX_TIMESTAMP;
 	}
 
diff --git a/sys/dev/ral/rt2860.c b/sys/dev/ral/rt2860.c
--- a/sys/dev/ral/rt2860.c
+++ b/sys/dev/ral/rt2860.c
@@ -1559,9 +1559,7 @@
 		*(uint16_t *)wh->i_dur = htole16(dur);
 	}
 	/* ask MAC to insert timestamp into probe responses */
-	if ((wh->i_fc[0] &
-	     (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-	     (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+	if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 	    /* NOTE: beacons do not pass through tx_data() */
 		txwi->flags |= RT2860_TX_TS;
 
@@ -1802,9 +1800,7 @@
 		*(uint16_t *)wh->i_dur = htole16(dur);
 	}
 	/* ask MAC to insert timestamp into probe responses */
-	if ((wh->i_fc[0] &
-	     (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-	     (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+	if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 	    /* NOTE: beacons do not pass through tx_data() */
 		txwi->flags |= RT2860_TX_TS;
 
diff --git a/sys/dev/usb/wlan/if_rum.c b/sys/dev/usb/wlan/if_rum.c
--- a/sys/dev/usb/wlan/if_rum.c
+++ b/sys/dev/usb/wlan/if_rum.c
@@ -1526,9 +1526,7 @@
 		USETW(wh->i_dur, dur);
 
 		/* tell hardware to add timestamp for probe responses */
-		if (type == IEEE80211_FC0_TYPE_MGT &&
-		    (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
-		    IEEE80211_FC0_SUBTYPE_PROBE_RESP)
+		if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 			flags |= RT2573_TX_TIMESTAMP;
 	}
 
diff --git a/sys/dev/usb/wlan/if_run.c b/sys/dev/usb/wlan/if_run.c
--- a/sys/dev/usb/wlan/if_run.c
+++ b/sys/dev/usb/wlan/if_run.c
@@ -3595,9 +3595,7 @@
 	wh = mtod(m, struct ieee80211_frame *);
 
 	/* tell hardware to add timestamp for probe responses */
-	if ((wh->i_fc[0] &
-	    (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-	    (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+	if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 		wflags |= RT2860_TX_TS;
 	else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
 		xflags |= RT2860_TX_ACK;
diff --git a/sys/dev/usb/wlan/if_upgt.c b/sys/dev/usb/wlan/if_upgt.c
--- a/sys/dev/usb/wlan/if_upgt.c
+++ b/sys/dev/usb/wlan/if_upgt.c
@@ -2139,8 +2139,7 @@
 	mem->addr = htole32(data->addr);
 	txdesc = (struct upgt_lmac_tx_desc *)(mem + 1);
 
-	if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
-	    IEEE80211_FC0_TYPE_MGT) {
+	if (IEEE80211_IS_MGMT(wh)) {
 		/* mgmt frames  */
 		txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT;
 		/* always send mgmt frames at lowest rate (DS1) */
diff --git a/sys/dev/usb/wlan/if_ural.c b/sys/dev/usb/wlan/if_ural.c
--- a/sys/dev/usb/wlan/if_ural.c
+++ b/sys/dev/usb/wlan/if_ural.c
@@ -1097,10 +1097,7 @@
 		USETW(wh->i_dur, dur);
 
 		/* tell hardware to add timestamp for probe responses */
-		if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
-		    IEEE80211_FC0_TYPE_MGT &&
-		    (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
-		    IEEE80211_FC0_SUBTYPE_PROBE_RESP)
+		if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 			flags |= RAL_TX_TIMESTAMP;
 	}
 
diff --git a/sys/dev/usb/wlan/if_urtw.c b/sys/dev/usb/wlan/if_urtw.c
--- a/sys/dev/usb/wlan/if_urtw.c
+++ b/sys/dev/usb/wlan/if_urtw.c
@@ -1803,9 +1803,7 @@
 		}
 		tx->flag = htole32(flags);
 		tx->txdur = txdur;
-		if (type == IEEE80211_FC0_TYPE_MGT &&
-		    (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
-		    IEEE80211_FC0_SUBTYPE_PROBE_RESP)
+		if (IEEE80211_IS_MGMT_PROBE_RESP(wh))
 			tx->retry = 1;
 		else
 			tx->retry = URTW_TX_MAXRETRY;
diff --git a/sys/dev/usb/wlan/if_zyd.c b/sys/dev/usb/wlan/if_zyd.c
--- a/sys/dev/usb/wlan/if_zyd.c
+++ b/sys/dev/usb/wlan/if_zyd.c
@@ -2505,9 +2505,7 @@
 		}
 	} else
 		desc->flags |= ZYD_TX_FLAG_MULTICAST;
-	if ((wh->i_fc[0] &
-	    (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
-	    (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
+	if (IEEE80211_IS_CTL_PS_POLL(wh))
 		desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
 
 	/* actual transmit length (XXX why +10?) */
diff --git a/sys/net80211/ieee80211.h b/sys/net80211/ieee80211.h
--- a/sys/net80211/ieee80211.h
+++ b/sys/net80211/ieee80211.h
@@ -219,6 +219,42 @@
 	(IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,	\
 	 IEEE80211_FC0_TYPE_EXT))
 
+/* Management frame types */
+
+#define	IEEE80211_IS_MGMT_BEACON(wh)			\
+	(IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,	\
+	 IEEE80211_FC0_VERSION_0,			\
+	 IEEE80211_FC0_TYPE_MGT,			\
+	 IEEE80211_FC0_SUBTYPE_BEACON))
+
+#define	IEEE80211_IS_MGMT_PROBE_RESP(wh)		\
+	(IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,	\
+	 IEEE80211_FC0_VERSION_0,			\
+	 IEEE80211_FC0_TYPE_MGT,			\
+	 IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+
+#define	IEEE80211_IS_MGMT_ACTION(wh)		\
+	(IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,	\
+	 IEEE80211_FC0_VERSION_0,			\
+	 IEEE80211_FC0_TYPE_MGT,			\
+	 IEEE80211_FC0_SUBTYPE_ACTION))
+
+/* Control frame types */
+
+#define	IEEE80211_IS_CTL_PS_POLL(wh)			\
+	(IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,	\
+	 IEEE80211_FC0_VERSION_0,			\
+	 IEEE80211_FC0_TYPE_CTL,			\
+	 IEEE80211_FC0_SUBTYPE_PS_POLL))
+
+#define	IEEE80211_IS_CTL_BAR(wh)			\
+	(IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,	\
+	 IEEE80211_FC0_VERSION_0,			\
+	 IEEE80211_FC0_TYPE_CTL,			\
+	 IEEE80211_FC0_SUBTYPE_BAR))
+
+/* Data frame types */
+
 #define	IEEE80211_FC0_QOSDATA \
 	(IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS_DATA|IEEE80211_FC0_VERSION_0)