#2023: acktimeout double the round-trip distance setting
----------------------------------------------------------+-----------------
Reporter: Ken Roberts <[EMAIL PROTECTED]> | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi: driver | Version: trunk
Resolution: | Keywords:
distance acktimeout
Patch_attached: 0 |
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Old description:
> Kernel 2.6.12.5[[BR]]
> madwifi-trunk-r3727[[BR]]
> [[BR]]
> When setting the distance, the acktimeout/ctstimeout/slottime values are
> double the distance setting.[[BR]]
> Calculated using (5.32uS * miles) * 2 and no fudge factor[[BR]]
>
> {{{
> 12 miles/19_312 meters
> 5.32uS * 12 miles = 63.84uS (one way)
> 63.84 * 2 = 127.68uS (round-trip)
> 12 miles = 19 312.128 meters
>
> athctrl -i wifiX -d 19312
> cat /proc/sys/dev/wifiX/distance : 19350
> cat /proc/sys/dev/wifiX/actimetout : 274
> cat /proc/sys/dev/wifiX/slottime : 133
> }}}
New description:
Kernel 2.6.21.5[[BR]]
madwifi-trunk-r3727[[BR]]
[[BR]]
When setting the distance, the acktimeout/ctstimeout/slottime values are
double the distance setting.[[BR]]
Calculated using (5.32uS * miles) * 2 and no fudge factor[[BR]]
{{{
12 miles/19_312 meters
5.32uS * 12 miles = 63.84uS (one way)
63.84 * 2 = 127.68uS (round-trip)
12 miles = 19 312.128 meters
athctrl -i wifiX -d 19312
cat /proc/sys/dev/wifiX/distance : 19350
cat /proc/sys/dev/wifiX/actimetout : 274
cat /proc/sys/dev/wifiX/slottime : 133
}}}
--
Ticket URL: <https://madwifi.org/ticket/2023#comment:2>
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Multiband Atheros Driver for Wireless Fidelity
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