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wifi: enable quality debugging

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This commit is contained in:
Dan Williams 2010-04-07 13:13:38 -07:00
parent 4e828c1bce
commit 27a9ea5bed
1 changed files with 19 additions and 30 deletions
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49
src/nm-device-wifi.c
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@ -60,8 +60,6 @@ static gboolean impl_device_get_access_points (NMDeviceWifi *device,
#include "nm-device-wifi-glue.h"
/* #define IW_QUAL_DEBUG */
/* All of these are in seconds */
#define SCAN_INTERVAL_MIN 0
#define SCAN_INTERVAL_STEP 20
@ -1475,17 +1473,16 @@ wireless_qual_to_percent (const struct iw_quality *qual,
g_return_val_if_fail (qual != NULL, -1);
g_return_val_if_fail (max_qual != NULL, -1);
#ifdef IW_QUAL_DEBUG
nm_debug ("QL: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X ** MAX: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X",
(__s8)qual->qual, qual->qual, qual->qual,
(__s8)qual->level, qual->level, qual->level,
(__s8)qual->noise, qual->noise, qual->noise,
qual->updated,
(__s8)max_qual->qual, max_qual->qual, max_qual->qual,
(__s8)max_qual->level, max_qual->level, max_qual->level,
(__s8)max_qual->noise, max_qual->noise, max_qual->noise,
max_qual->updated);
#endif
nm_log_dbg (LOGD_WIFI,
"QL: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X ** MAX: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X",
(__s8) qual->qual, qual->qual, qual->qual,
(__s8) qual->level, qual->level, qual->level,
(__s8) qual->noise, qual->noise, qual->noise,
qual->updated,
(__s8) max_qual->qual, max_qual->qual, max_qual->qual,
(__s8) max_qual->level, max_qual->level, max_qual->level,
(__s8) max_qual->noise, max_qual->noise, max_qual->noise,
max_qual->updated);
/* Try using the card's idea of the signal quality first as long as it tells us what the max quality is.
* Drivers that fill in quality values MUST treat them as percentages, ie the "Link Quality" MUST be
@ -1510,8 +1507,7 @@ max_qual->updated);
&& !(qual->updated & IW_QUAL_LEVEL_INVALID) /* Must have valid qual->level */
&& ( ((max_qual->noise > 0) && !(max_qual->updated & IW_QUAL_NOISE_INVALID)) /* Must have valid max_qual->noise */
|| ((qual->noise > 0) && !(qual->updated & IW_QUAL_NOISE_INVALID))) /* OR valid qual->noise */
)
{
) {
/* Absolute power values (dBm) */
/* Reasonable fallbacks for dumb drivers that don't specify either level. */
@ -1533,9 +1529,8 @@ max_qual->updated);
level_percent = (int)(100 - 70 *(
((double)max_level - (double)level) /
((double)max_level - (double)noise)));
#ifdef IW_QUAL_DEBUG
nm_debug ("QL1: level_percent is %d. max_level %d, level %d, noise_floor %d.", level_percent, max_level, level, noise);
#endif
nm_log_dbg (LOGD_WIFI, "QL1: level_percent is %d. max_level %d, level %d, noise_floor %d.",
level_percent, max_level, level, noise);
} else if ( (max_qual->level != 0)
&& !(max_qual->updated & IW_QUAL_LEVEL_INVALID) /* Valid max_qual->level as upper bound */
&& !(qual->updated & IW_QUAL_LEVEL_INVALID)) {
@ -1546,24 +1541,18 @@ max_qual->updated);
/* Signal level is relavtive (0 -> max_qual->level) */
level = CLAMP (level, 0, max_qual->level);
level_percent = (int)(100 * ((double)level / (double)max_qual->level));
#ifdef IW_QUAL_DEBUG
nm_debug ("QL2: level_percent is %d. max_level %d, level %d.", level_percent, max_qual->level, level);
#endif
}
else if (percent == -1)
{
#ifdef IW_QUAL_DEBUG
nm_debug ("QL: Could not get quality %% value from driver. Driver is probably buggy.");
#endif
nm_log_dbg (LOGD_WIFI, "QL2: level_percent is %d. max_level %d, level %d.",
level_percent, max_qual->level, level);
} else if (percent == -1) {
nm_log_dbg (LOGD_WIFI, "QL: Could not get quality %% value from driver. Driver is probably buggy.");
}
/* If the quality percent was 0 or doesn't exist, then try to use signal levels instead */
if ((percent < 1) && (level_percent >= 0))
percent = level_percent;
#ifdef IW_QUAL_DEBUG
nm_debug ("QL: Final quality percent is %d (%d).", percent, CLAMP (percent, 0, 100));
#endif
nm_log_dbg (LOGD_WIFI, "QL: Final quality percent is %d (%d).",
percent, CLAMP (percent, 0, 100));
return (CLAMP (percent, 0, 100));
}