Commit d3333223 authored by Philipp Borgers's avatar Philipp Borgers Committed by Johannes Berg
Browse files

mac80211: do not use low data rates for data frames with no ack flag 



Data Frames with no ack flag set should be handled by the rate
controler. Make sure we reach the rate controler by returning early
from rate_control_send_low if the frame is a data frame with no ack
flag.

Signed-off-by: default avatarPhilipp Borgers <borgers@mi.fu-berlin.de>
Link: https://lore.kernel.org/r/20210519122019.92359-3-borgers@mi.fu-berlin.de


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent cff7b5ca

net/mac80211/rate.c

+4 −0
Original line number Diff line number Diff line
@@ -396,6 +396,10 @@ static bool rate_control_send_low(struct ieee80211_sta *pubsta, 
	int mcast_rate;

	bool use_basicrate = false;



	if (ieee80211_is_tx_data(txrc->skb) &&

	    info->flags & IEEE80211_TX_CTL_NO_ACK)

		return false;



	if (!pubsta || rc_no_data_or_no_ack_use_min(txrc)) {

		__rate_control_send_low(txrc->hw, sband, pubsta, info,

					txrc->rate_idx_mask);