2008-11-06 13:54:48

by Lars Ericsson

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Subject: PID control in Linux 2.6.27.4

Hi,

Running some initial evaluation test on Linux 2.6.27.4 from Linux git.

I have seen some strange behaviour on the rate control.
Using an 11b AP works fine.
Using an 11b/g AP will not give high speed result.
In fact it gives lower speed compared to the 11b AP

I'm using the rt61 minPCI as the WLAN HW.


I have the following linux config:
#
# Rate control algorithm selection
#
CONFIG_MAC80211_RC_PID=y
CONFIG_MAC80211_RC_DEFAULT_PID=y
CONFIG_MAC80211_RC_DEFAULT="pid"
# CONFIG_MAC80211_MESH is not set
# CONFIG_MAC80211_LEDS is not set
CONFIG_MAC80211_DEBUGFS=y
# CONFIG_MAC80211_DEBUG_MENU is not set
# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set


Are there any know issues with the PID function in this Linux version ?

/Lars