On 2012-02-29 1:14 PM, YIN Wei wrote: > From: Wei YIN (Wei.Yin@xxxxxxxxxxxx) > > Improve PID rate control mechanism by solving the rate oscillation > problem. Current PID mechanism is based on a PID controller which > tries to minimise the difference between the frame loss ratio (FLR) > and the target FLR. Therefore it is straight forward that it increases > to a higher rate when the FLR is less than the target without > considering whether the higher rate can be supported. If the higher > rate cannot be supported, significant FLR will occur, which causes the > mechanism to decrease the rate sharply. The proposed approach only > updates the rate when the proposed rate by the PID controller can > achieve better throughput than the old rate. This patch applies to > kernel 3.3.0. > Signed-off-by: Wei YIN (Wei.Yin@xxxxxxxxxxxx) > --- > diff -uprN wireless-testing_orig/net/mac80211/Kconfig > wireless-testing/net/mac80211/Kconfig > --- wireless-testing_orig/net/mac80211/Kconfig 2012-02-17 > 13:59:53.495254495 +1000 > +++ wireless-testing/net/mac80211/Kconfig 2012-02-21 11:35:40.495706869 +1000 > @@ -21,6 +21,7 @@ config MAC80211_HAS_RC > config MAC80211_RC_PID > bool "PID controller based rate control algorithm" if EXPERT > select MAC80211_HAS_RC > + default y > ---help--- > This option enables a TX rate control algorithm for > mac80211 that uses a PID controller to select the TX Several issues with this patch: line wrapping, weird encoding in the comments: — Also, please drop this change that alters the default value of MAC80211_RC_PID. - Felix -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
