diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -179,7 +179,7 @@
 static void	ath_node_cleanup(struct ieee80211_node *);
 static void	ath_node_free(struct ieee80211_node *);
 static void	ath_node_getsignal(const struct ieee80211_node *,
-			int8_t *, int8_t *);
+			int16_t *, int8_t *);
 static void	ath_txq_init(struct ath_softc *sc, struct ath_txq *, int);
 static struct ath_txq *ath_txq_setup(struct ath_softc*, int qtype, int subtype);
 static int	ath_tx_setup(struct ath_softc *, int, int);
@@ -3954,7 +3954,7 @@
 }
 
 static void
-ath_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
+ath_node_getsignal(const struct ieee80211_node *ni, int16_t *rssi, int8_t *noise)
 {
 	struct ieee80211com *ic = ni->ni_ic;
 	struct ath_softc *sc = ic->ic_softc;
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
@@ -129,7 +129,7 @@
 static void	mwl_node_cleanup(struct ieee80211_node *);
 static void	mwl_node_drain(struct ieee80211_node *);
 static void	mwl_node_getsignal(const struct ieee80211_node *,
-			int8_t *, int8_t *);
+			int16_t *, int8_t *);
 static void	mwl_node_getmimoinfo(const struct ieee80211_node *,
 			struct ieee80211_mimo_info *);
 static int	mwl_rxbuf_init(struct mwl_softc *, struct mwl_rxbuf *);
@@ -2378,7 +2378,7 @@
 }
 
 static void
-mwl_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
+mwl_node_getsignal(const struct ieee80211_node *ni, int16_t *rssi, int8_t *noise)
 {
 	*rssi = ni->ni_ic->ic_node_getrssi(ni);
 #ifdef MWL_ANT_INFO_SUPPORT
diff --git a/sys/net80211/_ieee80211.h b/sys/net80211/_ieee80211.h
--- a/sys/net80211/_ieee80211.h
+++ b/sys/net80211/_ieee80211.h
@@ -423,7 +423,7 @@
  * triggered.
  */
 struct ieee80211_roamparam {
-	int8_t		rssi;		/* rssi thresh (.5 dBm) */
+	int16_t		rssi;		/* rssi thresh (.5 dBm) */
 	uint8_t		rate;		/* tx rate thresh (.5 Mb/s or MCS) */
 	uint16_t	pad;		/* reserve */
 };
@@ -456,8 +456,8 @@
 #define	IEEE80211_MAX_EVM_PILOTS	16	/* 468 subcarriers, 16 pilots */
 
 struct ieee80211_mimo_chan_info {
-	int8_t	rssi[IEEE80211_MAX_CHAIN_PRISEC];
-	int8_t	noise[IEEE80211_MAX_CHAIN_PRISEC];
+	int16_t	rssi[IEEE80211_MAX_CHAIN_PRISEC];
+	int16_t	noise[IEEE80211_MAX_CHAIN_PRISEC];
 };
 
 struct ieee80211_mimo_info {
@@ -625,7 +625,7 @@
 
 	/* 32 bits */
 	int8_t c_nf;			/* global NF */
-	int8_t c_rssi;			/* global RSSI */
+	int16_t c_rssi;			/* global RSSI */
 	uint8_t c_chain;		/* number of RX chains involved */
 	uint8_t c_rate;			/* legacy; 11n rate code; VHT MCS */
 
diff --git a/sys/net80211/ieee80211_adhoc.c b/sys/net80211/ieee80211_adhoc.c
--- a/sys/net80211/ieee80211_adhoc.c
+++ b/sys/net80211/ieee80211_adhoc.c
@@ -68,7 +68,7 @@
 static	void adhoc_vattach(struct ieee80211vap *);
 static	int adhoc_newstate(struct ieee80211vap *, enum ieee80211_state, int);
 static int adhoc_input(struct ieee80211_node *, struct mbuf *,
-	    const struct ieee80211_rx_stats *, int, int);
+	    const struct ieee80211_rx_stats *, int16_t, int);
 static void adhoc_recv_mgmt(struct ieee80211_node *, struct mbuf *,
 	int subtype, const struct ieee80211_rx_stats *, int, int);
 static void ahdemo_recv_mgmt(struct ieee80211_node *, struct mbuf *,
@@ -301,7 +301,7 @@
  */
 static int
 adhoc_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 	struct ieee80211com *ic = ni->ni_ic;
diff --git a/sys/net80211/ieee80211_hostap.c b/sys/net80211/ieee80211_hostap.c
--- a/sys/net80211/ieee80211_hostap.c
+++ b/sys/net80211/ieee80211_hostap.c
@@ -66,7 +66,7 @@
 static	int hostap_newstate(struct ieee80211vap *, enum ieee80211_state, int);
 static	int hostap_input(struct ieee80211_node *ni, struct mbuf *m,
 	    const struct ieee80211_rx_stats *,
-	    int rssi, int nf);
+	    int16_t rssi, int nf);
 static void hostap_deliver_data(struct ieee80211vap *,
 	    struct ieee80211_node *, struct mbuf *);
 static void hostap_recv_mgmt(struct ieee80211_node *, struct mbuf *,
@@ -466,7 +466,7 @@
  */
 static int
 hostap_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 	struct ieee80211com *ic = ni->ni_ic;
diff --git a/sys/net80211/ieee80211_ioctl.h b/sys/net80211/ieee80211_ioctl.h
--- a/sys/net80211/ieee80211_ioctl.h
+++ b/sys/net80211/ieee80211_ioctl.h
@@ -437,7 +437,7 @@
 	uint32_t	isi_flags;		/* channel flags */
 	uint32_t	isi_state;		/* state flags */
 	uint8_t		isi_authmode;		/* authentication algorithm */
-	int8_t		isi_rssi;		/* receive signal strength */
+	int16_t		isi_rssi;		/* receive signal strength */
 	int8_t		isi_noise;		/* noise floor */
 	uint8_t		isi_capinfo;		/* capabilities */
 	uint8_t		isi_erp;		/* ERP element */
@@ -824,9 +824,9 @@
 	uint16_t	isr_ie_len;		/* IE length */
 	uint16_t	isr_freq;		/* MHz */
 	uint16_t	isr_flags;		/* channel flags */
-	int8_t		isr_noise;
-	int8_t		isr_rssi;
 	uint16_t	isr_intval;		/* beacon interval */
+	int16_t		isr_rssi;
+	int8_t		isr_noise;
 	uint8_t		isr_capinfo;		/* capabilities */
 	uint8_t		isr_erp;		/* ERP element */
 	uint8_t		isr_bssid[IEEE80211_ADDR_LEN];
diff --git a/sys/net80211/ieee80211_mesh.c b/sys/net80211/ieee80211_mesh.c
--- a/sys/net80211/ieee80211_mesh.c
+++ b/sys/net80211/ieee80211_mesh.c
@@ -83,7 +83,7 @@
 static void	mesh_forward(struct ieee80211vap *, struct mbuf *,
 		    const struct ieee80211_meshcntl *);
 static int	mesh_input(struct ieee80211_node *, struct mbuf *,
-		    const struct ieee80211_rx_stats *rxs, int, int);
+		    const struct ieee80211_rx_stats *rxs, int16_t, int);
 static void	mesh_recv_mgmt(struct ieee80211_node *, struct mbuf *, int,
 		    const struct ieee80211_rx_stats *rxs, int, int);
 static void	mesh_recv_ctl(struct ieee80211_node *, struct mbuf *, int);
@@ -1525,7 +1525,7 @@
 
 static int
 mesh_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 #define	HAS_SEQ(type)	((type & 0x4) == 0)
 #define	MC01(mc)	((const struct ieee80211_meshcntl_ae01 *)mc)
diff --git a/sys/net80211/ieee80211_monitor.c b/sys/net80211/ieee80211_monitor.c
--- a/sys/net80211/ieee80211_monitor.c
+++ b/sys/net80211/ieee80211_monitor.c
@@ -58,7 +58,7 @@
 static void monitor_vattach(struct ieee80211vap *);
 static int monitor_newstate(struct ieee80211vap *, enum ieee80211_state, int);
 static int monitor_input(struct ieee80211_node *ni, struct mbuf *m,
-	const struct ieee80211_rx_stats *rxs, int rssi, int nf);
+	const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf);
 
 void
 ieee80211_monitor_attach(struct ieee80211com *ic)
@@ -123,7 +123,7 @@
  */
 static int
 monitor_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 	struct ifnet *ifp = vap->iv_ifp;
diff --git a/sys/net80211/ieee80211_node.h b/sys/net80211/ieee80211_node.h
--- a/sys/net80211/ieee80211_node.h
+++ b/sys/net80211/ieee80211_node.h
@@ -528,8 +528,8 @@
 		const struct ieee80211_scanparams *);
 void	ieee80211_node_join(struct ieee80211_node *,int);
 void	ieee80211_node_leave(struct ieee80211_node *);
-int8_t	ieee80211_getrssi(struct ieee80211vap *);
-void	ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *);
+int16_t	ieee80211_getrssi(struct ieee80211vap *);
+void	ieee80211_getsignal(struct ieee80211vap *, int16_t *, int8_t *);
 
 /*
  * Node transmit rate specific manipulation.
diff --git a/sys/net80211/ieee80211_node.c b/sys/net80211/ieee80211_node.c
--- a/sys/net80211/ieee80211_node.c
+++ b/sys/net80211/ieee80211_node.c
@@ -91,8 +91,8 @@
 static void node_cleanup(struct ieee80211_node *);
 static void node_free(struct ieee80211_node *);
 static void node_age(struct ieee80211_node *);
-static int8_t node_getrssi(const struct ieee80211_node *);
-static void node_getsignal(const struct ieee80211_node *, int8_t *, int8_t *);
+static int16_t node_getrssi(const struct ieee80211_node *);
+static void node_getsignal(const struct ieee80211_node *, int16_t *, int8_t *);
 static void node_getmimoinfo(const struct ieee80211_node *,
 	struct ieee80211_mimo_info *);
 
@@ -1341,7 +1341,7 @@
 		ieee80211_ht_node_age(ni);
 }
 
-static int8_t
+static int16_t
 node_getrssi(const struct ieee80211_node *ni)
 {
 	uint32_t avgrssi = ni->ni_avgrssi;
@@ -1354,7 +1354,7 @@
 }
 
 static void
-node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
+node_getsignal(const struct ieee80211_node *ni, int16_t *rssi, int8_t *noise)
 {
 	*rssi = node_getrssi(ni);
 	*noise = ni->ni_noise;
@@ -3039,7 +3039,7 @@
 {
 	struct rssiinfo *info = arg;
 	struct ieee80211vap *vap = ni->ni_vap;
-	int8_t rssi;
+	int16_t rssi;
 
 	/* only associated stations */
 	if (ni->ni_associd == 0)
@@ -3056,7 +3056,7 @@
 {
 	struct rssiinfo *info = arg;
 	struct ieee80211vap *vap = ni->ni_vap;
-	int8_t rssi;
+	int16_t rssi;
 
 	/* only neighbors */
 	/* XXX check bssid */
@@ -3075,7 +3075,7 @@
 {
 	struct rssiinfo *info = arg;
 	struct ieee80211vap *vap = ni->ni_vap;
-	int8_t rssi;
+	int16_t rssi;
 
 	/* only neighbors that peered successfully */
 	if (ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED)
@@ -3088,7 +3088,7 @@
 }
 #endif /* IEEE80211_SUPPORT_MESH */
 
-int8_t
+int16_t
 ieee80211_getrssi(struct ieee80211vap *vap)
 {
 #define	NZ(x)	((x) == 0 ? 1 : (x))
@@ -3126,7 +3126,7 @@
 }
 
 void
-ieee80211_getsignal(struct ieee80211vap *vap, int8_t *rssi, int8_t *noise)
+ieee80211_getsignal(struct ieee80211vap *vap, int16_t *rssi, int8_t *noise)
 {
 
 	if (vap->iv_bss == NULL)		/* NB: shouldn't happen */
diff --git a/sys/net80211/ieee80211_ratectl.h b/sys/net80211/ieee80211_ratectl.h
--- a/sys/net80211/ieee80211_ratectl.h
+++ b/sys/net80211/ieee80211_ratectl.h
@@ -63,7 +63,7 @@
 	int		final_rate;	/* transmission rate */
 	uint_fast8_t	short_retries;	/* RTS/CTS retries */
 	uint_fast8_t	long_retries;	/* ACK retries */
-	int8_t		rssi;		/* ACK RSSI */
+	int16_t		rssi;		/* ACK RSSI */
 
 	uint8_t		spare[15];	/* for future use */
 };
diff --git a/sys/net80211/ieee80211_scan.h b/sys/net80211/ieee80211_scan.h
--- a/sys/net80211/ieee80211_scan.h
+++ b/sys/net80211/ieee80211_scan.h
@@ -282,7 +282,7 @@
 	uint8_t		se_fhindex;	/* FH only */
 	uint8_t		se_dtimperiod;	/* DTIM period */
 	uint16_t	se_erp;		/* ERP from beacon/probe resp */
-	int8_t		se_rssi;	/* avg'd recv ssi */
+	int16_t		se_rssi;	/* avg'd recv ssi */
 	int8_t		se_noise;	/* noise floor */
 	uint8_t		se_cc[2];	/* captured country code */
 	uint8_t		se_meshid[2+IEEE80211_MESHID_LEN];
diff --git a/sys/net80211/ieee80211_sta.c b/sys/net80211/ieee80211_sta.c
--- a/sys/net80211/ieee80211_sta.c
+++ b/sys/net80211/ieee80211_sta.c
@@ -67,7 +67,7 @@
 static	void sta_beacon_miss(struct ieee80211vap *);
 static	int sta_newstate(struct ieee80211vap *, enum ieee80211_state, int);
 static	int sta_input(struct ieee80211_node *, struct mbuf *,
-	    const struct ieee80211_rx_stats *, int, int);
+	    const struct ieee80211_rx_stats *, int16_t, int);
 static void sta_recv_mgmt(struct ieee80211_node *, struct mbuf *,
 	    int subtype, const struct ieee80211_rx_stats *, int rssi, int nf);
 static void sta_recv_ctl(struct ieee80211_node *, struct mbuf *, int subtype);
@@ -530,7 +530,7 @@
  */
 static int
 sta_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 	struct ieee80211com *ic = ni->ni_ic;
diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h
--- a/sys/net80211/ieee80211_var.h
+++ b/sys/net80211/ieee80211_var.h
@@ -325,9 +325,9 @@
 
 	void			(*ic_node_age)(struct ieee80211_node *);
 	void			(*ic_node_drain)(struct ieee80211_node *);
-	int8_t			(*ic_node_getrssi)(const struct ieee80211_node*);
+	int16_t			(*ic_node_getrssi)(const struct ieee80211_node*);
 	void			(*ic_node_getsignal)(const struct ieee80211_node*,
-				    int8_t *, int8_t *);
+				    int16_t *, int8_t *);
 	void			(*ic_node_getmimoinfo)(
 				    const struct ieee80211_node*,
 				    struct ieee80211_mimo_info *);
@@ -543,7 +543,7 @@
 	int			(*iv_input)(struct ieee80211_node *,
 				    struct mbuf *,
 				    const struct ieee80211_rx_stats *,
-				    int, int);
+				    int16_t, int);
 	void			(*iv_recv_mgmt)(struct ieee80211_node *,
 				    struct mbuf *, int,
 				    const struct ieee80211_rx_stats *,
diff --git a/sys/net80211/ieee80211_wds.c b/sys/net80211/ieee80211_wds.c
--- a/sys/net80211/ieee80211_wds.c
+++ b/sys/net80211/ieee80211_wds.c
@@ -62,7 +62,7 @@
 static void wds_vattach(struct ieee80211vap *);
 static int wds_newstate(struct ieee80211vap *, enum ieee80211_state, int);
 static	int wds_input(struct ieee80211_node *ni, struct mbuf *m,
-	    const struct ieee80211_rx_stats *rxs, int, int);
+	    const struct ieee80211_rx_stats *rxs, int16_t, int);
 static void wds_recv_mgmt(struct ieee80211_node *, struct mbuf *, int subtype,
 	const struct ieee80211_rx_stats *, int, int);
 
@@ -101,7 +101,8 @@
 {
 	struct ieee80211com *ic = ni->ni_ic;
 	struct mbuf *m, *next;
-	int8_t rssi, nf;
+	int16_t rssi;
+	int8_t nf;
 
 	m = ieee80211_ageq_remove(&ic->ic_stageq,
 	    (void *)(uintptr_t) ieee80211_mac_hash(ic, ni->ni_macaddr));
@@ -404,7 +405,7 @@
  */
 static int
 wds_input(struct ieee80211_node *ni, struct mbuf *m,
-    const struct ieee80211_rx_stats *rxs, int rssi, int nf)
+    const struct ieee80211_rx_stats *rxs, int16_t rssi, int nf)
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 	struct ieee80211com *ic = ni->ni_ic;
diff --git a/usr.sbin/bsnmpd/modules/snmp_wlan/wlan_snmp.h b/usr.sbin/bsnmpd/modules/snmp_wlan/wlan_snmp.h
--- a/usr.sbin/bsnmpd/modules/snmp_wlan/wlan_snmp.h
+++ b/usr.sbin/bsnmpd/modules/snmp_wlan/wlan_snmp.h
@@ -43,7 +43,7 @@
 	uint16_t			frequency;
 	uint32_t			fflags;
 	uint8_t				txrate;
-	int8_t				rssi;
+	int16_t				rssi;
 	uint16_t			idle;
 	uint16_t			txseqs;
 	uint16_t			rxseqs;
@@ -61,7 +61,7 @@
 	uint8_t				ssid[IEEE80211_NWID_LEN + 1];
 	uint8_t				bssid[IEEE80211_ADDR_LEN];
 	uint8_t				opchannel;
-	int8_t				rssi;
+	int16_t				rssi;
 	uint16_t			frequency;
 	int8_t				noise;
 	uint16_t			bintval;