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

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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: Philipp Borgers <borgers@mi.fu-berlin.de>
Link: https://lore.kernel.org/r/20210519122019.92359-3-borgers@mi.fu-berlin.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Philipp Borgers 2021-05-19 14:20:18 +02:00 committed by Johannes Berg
parent cff7b5ca25
commit d333322361
1 changed files with 4 additions and 0 deletions
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4
net/mac80211/rate.c
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@ -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);