[PATCH] hostap: Add support for WE-19

This patch adds support for WE-19 to the HostAP driver. One of
the major change is the use of an explicit flag to tell if iwstat is
in dBm or not.
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/wireless/hostap/hostap_80211_rx.c

@@ -737,7 +737,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
 		struct iw_quality wstats;
 		wstats.level = rx_stats->signal;
 		wstats.noise = rx_stats->noise;
-		wstats.updated = 6;	/* No qual value */
+		wstats.updated = IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED
+			| IW_QUAL_QUAL_INVALID | IW_QUAL_DBM;
 		/* Update spy records */
 		wireless_spy_update(dev, hdr->addr2, &wstats);
 	}

drivers/net/wireless/hostap/hostap_ap.c

@@ -2349,7 +2349,7 @@ static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
 		qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
 		qual[count].updated = sta->last_rx_updated;
 
-		sta->last_rx_updated = 0;
+		sta->last_rx_updated = IW_QUAL_DBM;
 
 		count++;
 		if (count >= buf_size)
@@ -2467,7 +2467,7 @@ static int prism2_ap_translate_scan(struct net_device *dev, char *buffer)
 		}
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
-		sta->last_rx_updated = 0;
+		sta->last_rx_updated = IW_QUAL_DBM;
 
 		/* To be continued, we should make good use of IWEVCUSTOM */
 	}
@@ -3174,7 +3174,7 @@ int hostap_update_rx_stats(struct ap_data *ap,
 		sta->last_rx_silence = rx_stats->noise;
 		sta->last_rx_signal = rx_stats->signal;
 		sta->last_rx_rate = rx_stats->rate;
-		sta->last_rx_updated = 7;
+		sta->last_rx_updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 		if (rx_stats->rate == 10)
 			sta->rx_count[0]++;
 		else if (rx_stats->rate == 20)

drivers/net/wireless/hostap/hostap_ioctl.c

@@ -50,7 +50,8 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
 #endif /* in_atomic */
 
 		if (update && prism2_update_comms_qual(dev) == 0)
-			wstats->qual.updated = 7;
+			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
+				IW_QUAL_DBM;
 
 		wstats->qual.qual = local->comms_qual;
 		wstats->qual.level = local->avg_signal;
@@ -59,7 +60,7 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
 		wstats->qual.qual = 0;
 		wstats->qual.level = 0;
 		wstats->qual.noise = 0;
-		wstats->qual.updated = 0;
+		wstats->qual.updated = IW_QUAL_ALL_INVALID;
 	}
 
 	return wstats;
@@ -1894,6 +1895,10 @@ static char * __prism2_translate_scan(local_info_t *local,
 			iwe.u.qual.noise =
 				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
 		}
+		iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
+			| IW_QUAL_NOISE_UPDATED
+			| IW_QUAL_QUAL_INVALID
+			| IW_QUAL_DBM;
 		iwe.len = IW_EV_QUAL_LEN;
 		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
 						  IW_EV_QUAL_LEN);