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wifi: mac80211: don't update rx_stats.last_rate for NDP

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If we get an NDP (null data packet), there's reason to
believe the peer is just sending it to probe, and that
would happen at a low rate. Don't track this packet for
purposes of last RX rate reporting.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230608163202.8af46c4ac094.I13d9d5019addeaa4aff3c8a05f56c9f5a86b1ebd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-06-08 16:36:05 +03:00
parent 556f16b834
commit 0e966d9a35
1 changed files with 3 additions and 3 deletions
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6
net/mac80211/rx.c
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@ -6,7 +6,7 @@
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018-2022 Intel Corporation
* Copyright (C) 2018-2023 Intel Corporation
*/
#include <linux/jiffies.h>
@ -1732,7 +1732,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
link_sta->rx_stats.last_rx = jiffies;
if (ieee80211_is_data(hdr->frame_control) &&
if (ieee80211_is_data_present(hdr->frame_control) &&
!is_multicast_ether_addr(hdr->addr1))
link_sta->rx_stats.last_rate =
sta_stats_encode_rate(status);
@ -1746,7 +1746,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
* match the current local configuration when processed.
*/
link_sta->rx_stats.last_rx = jiffies;
if (ieee80211_is_data(hdr->frame_control))
if (ieee80211_is_data_present(hdr->frame_control))
link_sta->rx_stats.last_rate = sta_stats_encode_rate(status);
}