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From: Kang Yang <quic_kangyang@quicinc.com>
To: <ath12k@lists.infradead.org>
CC: <linux-wireless@vger.kernel.org>, <quic_kangyang@quicinc.com>
Subject: [PATCH v6 08/11] wifi: ath12k: allow specific mgmt frame tx while vdev is not up
Date: Tue, 30 Jan 2024 12:03:00 +0800
Message-ID: <20240130040303.370590-9-quic_kangyang@quicinc.com>
In-Reply-To: <20240130040303.370590-1-quic_kangyang@quicinc.com>
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In current code, the management frames must be sent after vdev is started.
But for P2P device, vdev won't start until P2P negotiation is done. So
this logic doesn't make sense for P2P device.

Also use ar->conf_mutex to synchronize ar to avoid potential conflicts.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
---

v6: no change.
v5: change commit log.
v4: no change.
v3: no change.
v2: add Tested-on tag of QCN9274.

---
 drivers/net/wireless/ath/ath12k/mac.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index ec90a21fcd7f..1377b710bdcb 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -5069,8 +5069,8 @@ static void ath12k_mgmt_over_wmi_tx_work(struct work_struct *work)
 		}
 
 		arvif = ath12k_vif_to_arvif(skb_cb->vif);
-		if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) &&
-		    arvif->is_started) {
+		mutex_lock(&ar->conf_mutex);
+		if (ar->allocated_vdev_map & (1LL << arvif->vdev_id)) {
 			ret = ath12k_mac_mgmt_tx_wmi(ar, arvif, skb);
 			if (ret) {
 				ath12k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
@@ -5084,6 +5084,7 @@ static void ath12k_mgmt_over_wmi_tx_work(struct work_struct *work)
 				    arvif->is_started);
 			ath12k_mgmt_over_wmi_tx_drop(ar, skb);
 		}
+		mutex_unlock(&ar->conf_mutex);
 	}
 }
 
-- 
2.34.1