1 files changed, 104 insertions, 46 deletions

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 463c789cdc7..fb10a2db63a 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -754,7 +754,7 @@ typedef struct {
   u8 zero;
   u8 ssidLen;
   u8 ssid[32];
-  u16 rssi;
+  u16 dBm;
 #define CAP_ESS (1<<0)
 #define CAP_IBSS (1<<1)
 #define CAP_PRIVACY (1<<4)
@@ -1125,6 +1125,9 @@ static int micsetup(struct airo_info *ai);
 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len);
 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen);
 
+static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
+static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
+
 #include <linux/crypto.h>
 #endif
 
@@ -1713,6 +1716,7 @@ static int readBSSListRid(struct airo_info *ai, int first,
 	list->fh.dwell = le16_to_cpu(list->fh.dwell);
 	list->dsChannel = le16_to_cpu(list->dsChannel);
 	list->atimWindow = le16_to_cpu(list->atimWindow);
+	list->dBm = le16_to_cpu(list->dBm);
 	return rc;
 }
 
@@ -3245,7 +3249,10 @@ badrx:
 					wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
 				else
 					wstats.level = (hdr.rssi[1] + 321) / 2;
-				wstats.updated = 3;	
+				wstats.noise = apriv->wstats.qual.noise;
+				wstats.updated = IW_QUAL_LEVEL_UPDATED
+					| IW_QUAL_QUAL_UPDATED
+					| IW_QUAL_NOISE_UPDATED;
 				/* Update spy records */
 				wireless_spy_update(dev, sa, &wstats);
 			}
@@ -3588,7 +3595,10 @@ void mpi_receive_802_11 (struct airo_info *ai)
 			wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm;
 		else
 			wstats.level = (hdr.rssi[1] + 321) / 2;
-		wstats.updated = 3;
+		wstats.noise = ai->wstats.qual.noise;
+		wstats.updated = IW_QUAL_QUAL_UPDATED
+			| IW_QUAL_LEVEL_UPDATED
+			| IW_QUAL_NOISE_UPDATED;
 		/* Update spy records */
 		wireless_spy_update(ai->dev, sa, &wstats);
 	}
@@ -3679,7 +3689,7 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
 		status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock);
 		if ( status == SUCCESS ) {
 			if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
-				memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512);
+				memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
 		}
 		else {
 			if (ai->rssi) {
@@ -5348,7 +5358,7 @@ static int proc_BSSList_open( struct inode *inode, struct file *file ) {
 				(int)BSSList_rid.bssid[5],
 				(int)BSSList_rid.ssidLen,
 				BSSList_rid.ssid,
-				(int)BSSList_rid.rssi);
+				(int)BSSList_rid.dBm);
 		ptr += sprintf(ptr, " channel = %d %s %s %s %s\n",
 				(int)BSSList_rid.dsChannel,
 				BSSList_rid.cap & CAP_ESS ? "ESS" : "",
@@ -5593,6 +5603,29 @@ static void __exit airo_cleanup_module( void )
  * would not work at all... - Jean II
  */
 
+static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi)
+{
+	if( !rssi_rid )
+		return 0;
+
+	return (0x100 - rssi_rid[rssi].rssidBm);
+}
+
+static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm)
+{
+	int i;
+
+	if( !rssi_rid )
+		return 0;
+
+	for( i = 0; i < 256; i++ )
+		if (rssi_rid[i].rssidBm == dbm)
+			return rssi_rid[i].rssipct;
+
+	return 0;
+}
+
+
 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid)
 {
 	int quality = 0;
@@ -6443,11 +6476,29 @@ static int airo_get_range(struct net_device *dev,
 	}
 	range->num_frequency = k;
 
+	range->sensitivity = 65535;
+
 	/* Hum... Should put the right values there */
-	range->max_qual.qual = airo_get_max_quality(&cap_rid);
-	range->max_qual.level = 0x100 - 120;	/* -120 dBm */
+	if (local->rssi)
+		range->max_qual.qual = 100;	/* % */
+	else
+		range->max_qual.qual = airo_get_max_quality(&cap_rid);
+	range->max_qual.level = 0;	/* 0 means we use dBm  */
 	range->max_qual.noise = 0;
-	range->sensitivity = 65535;
+	range->max_qual.updated = 0;
+
+	/* Experimental measurements - boundary 11/5.5 Mb/s */
+	/* Note : with or without the (local->rssi), results
+	 * are somewhat different. - Jean II */
+	if (local->rssi) {
+		range->avg_qual.qual = 50;	/* % */
+		range->avg_qual.level = 186;	/* -70 dBm */
+	} else {
+		range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
+		range->avg_qual.level = 176;	/* -80 dBm */
+	}
+	range->avg_qual.noise = 0;
+	range->avg_qual.updated = 0;
 
 	for(i = 0 ; i < 8 ; i++) {
 		range->bitrate[i] = cap_rid.supportedRates[i] * 500000;
@@ -6508,15 +6559,6 @@ static int airo_get_range(struct net_device *dev,
 	range->max_retry = 65535;
 	range->min_r_time = 1024;
 	range->max_r_time = 65535 * 1024;
-	/* Experimental measurements - boundary 11/5.5 Mb/s */
-	/* Note : with or without the (local->rssi), results
-	 * are somewhat different. - Jean II */
-	range->avg_qual.qual = airo_get_avg_quality(&cap_rid);
-	if (local->rssi)
-		range->avg_qual.level = 186;	/* -70 dBm */
-	else
-		range->avg_qual.level = 176;	/* -80 dBm */
-	range->avg_qual.noise = 0;
 
 	/* Event capability (kernel + driver) */
 	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
@@ -6676,12 +6718,18 @@ static int airo_get_aplist(struct net_device *dev,
 		loseSync = 0;
 		memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN);
 		address[i].sa_family = ARPHRD_ETHER;
-		if (local->rssi)
-			qual[i].level = 0x100 - local->rssi[BSSList.rssi].rssidBm;
-		else
-			qual[i].level = (BSSList.rssi + 321) / 2;
-		qual[i].qual = qual[i].noise = 0;
-		qual[i].updated = 2;
+		if (local->rssi) {
+			qual[i].level = 0x100 - BSSList.dBm;
+			qual[i].qual = airo_dbm_to_pct( local->rssi, BSSList.dBm );
+			qual[i].updated = IW_QUAL_QUAL_UPDATED;
+		} else {
+			qual[i].level = (BSSList.dBm + 321) / 2;
+			qual[i].qual = 0;
+			qual[i].updated = IW_QUAL_QUAL_INVALID;
+		}
+		qual[i].noise = local->wstats.qual.noise;
+		qual[i].updated = IW_QUAL_LEVEL_UPDATED
+				| IW_QUAL_NOISE_UPDATED;
 		if (BSSList.index == 0xffff)
 			break;
 	}
@@ -6760,7 +6808,7 @@ static int airo_set_scan(struct net_device *dev,
 static inline char *airo_translate_scan(struct net_device *dev,
 					char *current_ev,
 					char *end_buf,
-					BSSListRid *list)
+					BSSListRid *bss)
 {
 	struct airo_info *ai = dev->priv;
 	struct iw_event		iwe;		/* Temporary buffer */
@@ -6771,22 +6819,22 @@ static inline char *airo_translate_scan(struct net_device *dev,
 	/* First entry *MUST* be the AP MAC address */
 	iwe.cmd = SIOCGIWAP;
 	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
-	memcpy(iwe.u.ap_addr.sa_data, list->bssid, ETH_ALEN);
+	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
 	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
 
 	/* Other entries will be displayed in the order we give them */
 
 	/* Add the ESSID */
-	iwe.u.data.length = list->ssidLen;
+	iwe.u.data.length = bss->ssidLen;
 	if(iwe.u.data.length > 32)
 		iwe.u.data.length = 32;
 	iwe.cmd = SIOCGIWESSID;
 	iwe.u.data.flags = 1;
-	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, list->ssid);
+	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
 
 	/* Add mode */
 	iwe.cmd = SIOCGIWMODE;
-	capabilities = le16_to_cpu(list->cap);
+	capabilities = le16_to_cpu(bss->cap);
 	if(capabilities & (CAP_ESS | CAP_IBSS)) {
 		if(capabilities & CAP_ESS)
 			iwe.u.mode = IW_MODE_MASTER;
@@ -6797,19 +6845,25 @@ static inline char *airo_translate_scan(struct net_device *dev,
 
 	/* Add frequency */
 	iwe.cmd = SIOCGIWFREQ;
-	iwe.u.freq.m = le16_to_cpu(list->dsChannel);
+	iwe.u.freq.m = le16_to_cpu(bss->dsChannel);
 	iwe.u.freq.m = frequency_list[iwe.u.freq.m] * 100000;
 	iwe.u.freq.e = 1;
 	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
 
 	/* Add quality statistics */
 	iwe.cmd = IWEVQUAL;
-	if (ai->rssi)
-		iwe.u.qual.level = 0x100 - ai->rssi[list->rssi].rssidBm;
-	else
-		iwe.u.qual.level = (list->rssi + 321) / 2;
-	iwe.u.qual.noise = 0;
-	iwe.u.qual.qual = 0;
+	if (ai->rssi) {
+		iwe.u.qual.level = 0x100 - bss->dBm;
+		iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm );
+		iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED;
+	} else {
+		iwe.u.qual.level = (bss->dBm + 321) / 2;
+		iwe.u.qual.qual = 0;
+		iwe.u.qual.updated = IW_QUAL_QUAL_INVALID;
+	}
+	iwe.u.qual.noise = ai->wstats.qual.noise;
+	iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
+			| IW_QUAL_NOISE_UPDATED;
 	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
 
 	/* Add encryption capability */
@@ -6819,7 +6873,7 @@ static inline char *airo_translate_scan(struct net_device *dev,
 	else
 		iwe.u.data.flags = IW_ENCODE_DISABLED;
 	iwe.u.data.length = 0;
-	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, list->ssid);
+	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss->ssid);
 
 	/* Rate : stuffing multiple values in a single event require a bit
 	 * more of magic - Jean II */
@@ -6831,10 +6885,10 @@ static inline char *airo_translate_scan(struct net_device *dev,
 	/* Max 8 values */
 	for(i = 0 ; i < 8 ; i++) {
 		/* NULL terminated */
-		if(list->rates[i] == 0)
+		if(bss->rates[i] == 0)
 			break;
 		/* Bit rate given in 500 kb/s units (+ 0x80) */
-		iwe.u.bitrate.value = ((list->rates[i] & 0x7f) * 500000);
+		iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000);
 		/* Add new value to event */
 		current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
 	}
@@ -7153,18 +7207,22 @@ static void airo_read_wireless_stats(struct airo_info *local)
 	/* The status */
 	local->wstats.status = status_rid.mode;
 
-	/* Signal quality and co. But where is the noise level ??? */
-	local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
-	if (local->rssi)
-		local->wstats.qual.level = 0x100 - local->rssi[status_rid.sigQuality].rssidBm;
-	else
+	/* Signal quality and co */
+	if (local->rssi) {
+		local->wstats.qual.level = airo_rssi_to_dbm( local->rssi, status_rid.sigQuality );
+		/* normalizedSignalStrength appears to be a percentage */
+		local->wstats.qual.qual = status_rid.normalizedSignalStrength;
+	} else {
 		local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
+		local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid);
+	}
+	local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED;
 	if (status_rid.len >= 124) {
-		local->wstats.qual.noise = 256 - status_rid.noisedBm;
-		local->wstats.qual.updated = 7;
+		local->wstats.qual.noise = 0x100 - status_rid.noisedBm;
+		local->wstats.qual.updated |= IW_QUAL_NOISE_UPDATED;
 	} else {
 		local->wstats.qual.noise = 0;
-		local->wstats.qual.updated = 3;
+		local->wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
 	}
 
 	/* Packets discarded in the wireless adapter due to wireless