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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
	ath10k@lists.infradead.org, Wen Gong <wgong@codeaurora.org>,
	Kalle Valo <kvalo@codeaurora.org>
Subject: [PATCH AUTOSEL 5.4 023/175] ath10k: remove the max_sched_scan_reqs value
Date: Mon,  8 Jun 2020 19:16:16 -0400	[thread overview]
Message-ID: <20200608231848.3366970-23-sashal@kernel.org> (raw)
In-Reply-To: <20200608231848.3366970-1-sashal@kernel.org>

From: Wen Gong <wgong@codeaurora.org>

[ Upstream commit d431f8939c1419854dfe89dd345387f5397c6edd ]

The struct cfg80211_wowlan of NET_DETECT WoWLAN feature share the same
struct cfg80211_sched_scan_request together with scheduled scan request
feature, and max_sched_scan_reqs of wiphy is only used for sched scan,
and ath10k does not support scheduled scan request feature, so ath10k
does not set flag NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR, but ath10k
set max_sched_scan_reqs of wiphy to a non zero value 1, then function
nl80211_add_commands_unsplit of cfg80211 will set it support command
NL80211_CMD_START_SCHED_SCAN because max_sched_scan_reqs is a non zero
value, but actually ath10k not support it, then it leads a mismatch result
for sched scan of cfg80211, then application shill found the mismatch and
stop running case of MAC random address scan and then the case fail.

After remove max_sched_scan_reqs value, it keeps match for sched scan and
case of MAC random address scan pass.

Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00029.
Tested with QCA6174 PCIe with firmware WLAN.RM.4.4.1-00110-QCARMSWP-1.

Fixes: ce834e280f2f875 ("ath10k: support NET_DETECT WoWLAN feature")
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20191114050001.4658-1-wgong@codeaurora.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath10k/mac.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 36d24ea126a2..b0f6f2727053 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -8811,7 +8811,6 @@ int ath10k_mac_register(struct ath10k *ar)
 	ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
 
 	if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) {
-		ar->hw->wiphy->max_sched_scan_reqs = 1;
 		ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;
 		ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
 		ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;
-- 
2.25.1


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  parent reply	other threads:[~2020-06-08 23:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200608231848.3366970-1-sashal@kernel.org>
2020-06-08 23:15 ` [PATCH AUTOSEL 5.4 002/175] ath10k: Fix the race condition in firmware dump work queue Sasha Levin
2020-06-08 23:16 ` Sasha Levin [this message]
2020-06-08 23:16 ` [PATCH AUTOSEL 5.4 062/175] ath10k: fix kernel null pointer dereference Sasha Levin
2020-06-08 23:17 ` [PATCH AUTOSEL 5.4 077/175] ath10k: add flush tx packets for SDIO chip Sasha Levin
2020-06-08 23:17 ` [PATCH AUTOSEL 5.4 116/175] ath10k: Remove msdu from idr when management pkt send fails Sasha Levin

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