SOURCES: kernel-bcm43xx-patch_2.6.18.1_signal_quality.patch (NEW) ...

matkor matkor at pld-linux.org
Thu Oct 19 07:14:40 CEST 2006


Author: matkor                       Date: Thu Oct 19 05:14:40 2006 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- Release 4. One more bcm43xx fix.

---- Files affected:
SOURCES:
   kernel-bcm43xx-patch_2.6.18.1_signal_quality.patch (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/kernel-bcm43xx-patch_2.6.18.1_signal_quality.patch
diff -u /dev/null SOURCES/kernel-bcm43xx-patch_2.6.18.1_signal_quality.patch:1.1
--- /dev/null	Thu Oct 19 07:14:40 2006
+++ SOURCES/kernel-bcm43xx-patch_2.6.18.1_signal_quality.patch	Thu Oct 19 07:14:35 2006
@@ -0,0 +1,138 @@
+Index: linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx.h
+===================================================================
+--- linux-2.6.18.orig/drivers/net/wireless/bcm43xx/bcm43xx.h
++++ linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx.h
+@@ -365,6 +365,9 @@
+ #define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT	7
+ #define BCM43xx_DEFAULT_LONG_RETRY_LIMIT	4
+ 
++/* FIXME: the next line is a guess as to what the maximum RSSI value might be */
++#define RX_RSSI_MAX				60
++
+ /* Max size of a security key */
+ #define BCM43xx_SEC_KEYSIZE			16
+ /* Security algorithms. */
+Index: linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+===================================================================
+--- linux-2.6.18.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c
++++ linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+@@ -3647,6 +3647,8 @@ static int bcm43xx_read_phyinfo(struct b
+ 		       phy_type);
+ 		return -ENODEV;
+ 	};
++	bcm->ieee->perfect_rssi = RX_RSSI_MAX;
++	bcm->ieee->worst_rssi = 0;
+ 	if (!phy_rev_ok) {
+ 		printk(KERN_WARNING PFX "Invalid PHY Revision %x\n",
+ 		       phy_rev);
+Index: linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+===================================================================
+--- linux-2.6.18.orig/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
++++ linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+@@ -48,7 +48,6 @@
+ 
+ #define MAX_WX_STRING		80
+ 
+-
+ static int bcm43xx_wx_get_name(struct net_device *net_dev,
+                                struct iw_request_info *info,
+ 			       union iwreq_data *data,
+@@ -227,15 +226,14 @@ static int bcm43xx_wx_get_rangeparams(st
+ 	range->throughput = 27 * 1000 * 1000;
+ 
+ 	range->max_qual.qual = 100;
+-	/* TODO: Real max RSSI */
+-	range->max_qual.level = 3;
+-	range->max_qual.noise = 100;
+-	range->max_qual.updated = 7;
+-
+-	range->avg_qual.qual = 70;
+-	range->avg_qual.level = 2;
+-	range->avg_qual.noise = 40;
+-	range->avg_qual.updated = 7;
++	range->max_qual.level = 146; /* set floor at -110 dBm (146 - 256) */
++	range->max_qual.noise = 146;
++	range->max_qual.updated = IW_QUAL_ALL_UPDATED;
++
++	range->avg_qual.qual = 50;
++	range->avg_qual.level = 0;
++	range->avg_qual.noise = 0;
++	range->avg_qual.updated = IW_QUAL_ALL_UPDATED;
+ 
+ 	range->min_rts = BCM43xx_MIN_RTS_THRESHOLD;
+ 	range->max_rts = BCM43xx_MAX_RTS_THRESHOLD;
+@@ -840,6 +838,10 @@ static struct iw_statistics *bcm43xx_get
+ 	struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
+ 	struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
+ 	struct iw_statistics *wstats;
++	struct ieee80211_network *network = NULL;
++	static int tmp_level = 0;
++	static int tmp_qual = 0;
++	unsigned long flags;
+ 
+ 	wstats = &bcm->stats.wstats;
+ 	if (!mac->associated) {
+@@ -857,16 +859,28 @@ static struct iw_statistics *bcm43xx_get
+ 		wstats->qual.level = 0;
+ 		wstats->qual.noise = 0;
+ 		wstats->qual.updated = 7;
+-		wstats->qual.updated |= IW_QUAL_NOISE_INVALID |
+-			IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
++		wstats->qual.updated |= IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
+ 		return wstats;
+ 	}
+ 	/* fill in the real statistics when iface associated */
+-	wstats->qual.qual = 100;     // TODO: get the real signal quality
+-	wstats->qual.level = 3 - bcm->stats.link_quality;
++	spin_lock_irqsave(&mac->ieee->lock, flags);
++	list_for_each_entry(network, &mac->ieee->network_list, list) {
++		if (!memcmp(mac->associnfo.bssid, network->bssid, ETH_ALEN)) {
++			if (!tmp_level)	{	/* get initial values */
++				tmp_level = network->stats.signal;
++				tmp_qual = network->stats.rssi;
++			} else {		/* smooth results */
++				tmp_level = (15 * tmp_level + network->stats.signal)/16;
++				tmp_qual = (15 * tmp_qual + network->stats.rssi)/16;
++			}
++			break;
++		}
++	}
++	spin_unlock_irqrestore(&mac->ieee->lock, flags);
++	wstats->qual.level = tmp_level;
++	wstats->qual.qual = 100 * tmp_qual / RX_RSSI_MAX;
+ 	wstats->qual.noise = bcm->stats.noise;
+-	wstats->qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED |
+-			IW_QUAL_NOISE_UPDATED;
++	wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
+ 	wstats->discard.code = bcm->ieee->ieee_stats.rx_discards_undecryptable;
+ 	wstats->discard.retries = bcm->ieee->ieee_stats.tx_retry_limit_exceeded;
+ 	wstats->discard.nwid = bcm->ieee->ieee_stats.tx_discards_wrong_sa;
+Index: linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
+===================================================================
+--- linux-2.6.18.orig/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
++++ linux-2.6.18/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
+@@ -492,20 +492,18 @@ int bcm43xx_rx(struct bcm43xx_private *b
+ 
+ 	memset(&stats, 0, sizeof(stats));
+ 	stats.mac_time = le16_to_cpu(rxhdr->mactime);
+-	stats.rssi = bcm43xx_rssi_postprocess(bcm, rxhdr->rssi, is_ofdm,
++	stats.rssi = rxhdr->rssi;
++	stats.signal = bcm43xx_rssi_postprocess(bcm, rxhdr->rssi, is_ofdm,
+ 					      !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_2053RSSIADJ),
+ 					      !!(rxflags3 & BCM43xx_RXHDR_FLAGS3_2050RSSIADJ));
+-	stats.signal = rxhdr->signal_quality;	//FIXME
+-//TODO	stats.noise = 
++	stats.noise = bcm->stats.noise;
+ 	if (is_ofdm)
+ 		stats.rate = bcm43xx_plcp_get_bitrate_ofdm(plcp);
+ 	else
+ 		stats.rate = bcm43xx_plcp_get_bitrate_cck(plcp);
+-//printk("RX ofdm %d, rate == %u\n", is_ofdm, stats.rate);
+ 	stats.received_channel = radio->channel;
+-//TODO	stats.control = 
+ 	stats.mask = IEEE80211_STATMASK_SIGNAL |
+-//TODO		     IEEE80211_STATMASK_NOISE |
++		     IEEE80211_STATMASK_NOISE |
+ 		     IEEE80211_STATMASK_RATE |
+ 		     IEEE80211_STATMASK_RSSI;
+ 	if (phy->type == BCM43xx_PHYTYPE_A)
================================================================


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