Set a better value for percentage target for failed frames. The previous value
slowed down too much rate increases in case of permanently low activity. While
at it, increase readability.
Signed-off-by: Stefano Brivio <[email protected]>
---
rc80211_pid.h | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
Index: wireless-2.6/net/mac80211/rc80211_pid.h
===================================================================
--- wireless-2.6.orig/net/mac80211/rc80211_pid.h
+++ wireless-2.6/net/mac80211/rc80211_pid.h
@@ -11,41 +11,41 @@
#define RC80211_PID_H
/* Sampling period for measuring percentage of failed frames. */
-#define RC_PID_INTERVAL (HZ / 8)
+#define RC_PID_INTERVAL (HZ / 8)
/* Exponential averaging smoothness (used for I part of PID controller) */
-#define RC_PID_SMOOTHING_SHIFT 3
-#define RC_PID_SMOOTHING (1 << RC_PID_SMOOTHING_SHIFT)
+#define RC_PID_SMOOTHING_SHIFT 3
+#define RC_PID_SMOOTHING (1 << RC_PID_SMOOTHING_SHIFT)
/* Sharpening factor (used for D part of PID controller) */
-#define RC_PID_SHARPENING_FACTOR 0
-#define RC_PID_SHARPENING_DURATION 0
+#define RC_PID_SHARPENING_FACTOR 0
+#define RC_PID_SHARPENING_DURATION 0
/* Fixed point arithmetic shifting amount. */
-#define RC_PID_ARITH_SHIFT 8
+#define RC_PID_ARITH_SHIFT 8
/* Fixed point arithmetic factor. */
-#define RC_PID_ARITH_FACTOR (1 << RC_PID_ARITH_SHIFT)
+#define RC_PID_ARITH_FACTOR (1 << RC_PID_ARITH_SHIFT)
/* Proportional PID component coefficient. */
-#define RC_PID_COEFF_P 15
+#define RC_PID_COEFF_P 15
/* Integral PID component coefficient. */
-#define RC_PID_COEFF_I 9
+#define RC_PID_COEFF_I 9
/* Derivative PID component coefficient. */
-#define RC_PID_COEFF_D 15
+#define RC_PID_COEFF_D 15
/* Target failed frames rate for the PID controller. NB: This effectively gives
* maximum failed frames percentage we're willing to accept. If the wireless
* link quality is good, the controller will fail to adjust failed frames
* percentage to the target. This is intentional.
*/
-#define RC_PID_TARGET_PF 11
+#define RC_PID_TARGET_PF 14
/* Rate behaviour normalization quantity over time. */
-#define RC_PID_NORM_OFFSET 3
+#define RC_PID_NORM_OFFSET 3
/* Push high rates right after loading. */
-#define RC_PID_FAST_START 0
+#define RC_PID_FAST_START 0
/* Arithmetic right shift for positive and negative values for ISO C. */
#define RC_PID_DO_ARITH_RIGHT_SHIFT(x, y) \
--
Ciao
Stefano