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Diffstat (limited to 'drivers/net/wireless/airo.c')
-rw-r--r--drivers/net/wireless/airo.c150
1 files changed, 104 insertions, 46 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 463c789cdc77..fb10a2db63ad 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 12:04:19 +0000