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Commit 426706c0 authored by Stefano Brivio's avatar Stefano Brivio Committed by David S. Miller
Browse files

rc80211-pid: export human-readable target_pf value to debugfs 



Export the non-shifted target_pf value to debugfs, so that it's human-readable.

Signed-off-by: default avatarStefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 69f817b6

net/mac80211/rc80211_pid.h

+1 −1
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@ 
 * 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 << RC_PID_ARITH_SHIFT)

#define RC_PID_TARGET_PF 11



/* Rate behaviour normalization quantity over time. */

#define RC_PID_NORM_OFFSET 3

net/mac80211/rc80211_pid_algo.c

+1 −1
Original line number Diff line number Diff line
@@ -210,7 +210,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo, 
	rate_control_pid_normalize(pinfo, mode->num_rates);



	/* Compute the proportional, integral and derivative errors. */

	err_prop = pinfo->target - pf;

	err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf;



	err_avg = spinfo->err_avg_sc >> pinfo->smoothing_shift;

	spinfo->err_avg_sc = spinfo->err_avg_sc - err_avg + err_prop;