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From:   Baochen Qiang <quic_bqiang@quicinc.com>
To:     <ath11k@lists.infradead.org>
CC:     <linux-wireless@vger.kernel.org>
Subject: [PATCH v7 05/12] wifi: ath11k: update regulatory rules when connect to AP on 6 GHz band for station
Date:   Wed, 22 Nov 2023 17:15:46 +0800
Message-ID: <20231122091553.10837-6-quic_bqiang@quicinc.com>
In-Reply-To: <20231122091553.10837-1-quic_bqiang@quicinc.com>
References: <20231122091553.10837-1-quic_bqiang@quicinc.com>
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From: Wen Gong <quic_wgong@quicinc.com>

When station connect to AP on 6 GHz band, it needs switch the regulatory
rules according to the regulatory info sub field in HE operation element.
Switch to the power type which AP used for station interface.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23

Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
---
v7:
 1. return -EINVAL for IEEE80211_REG_UNSET_AP.

 drivers/net/wireless/ath/ath11k/mac.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 1e314fcab41b..b6ca6fb801f8 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -7613,6 +7613,8 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
 	struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
 	int ret;
 	struct peer_create_params param;
+	struct cur_regulatory_info *reg_info;
+	enum ieee80211_ap_reg_power power_type;
 
 	mutex_lock(&ar->conf_mutex);
 
@@ -7620,6 +7622,20 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
 		   "chanctx assign ptr %p vdev_id %i\n",
 		   ctx, arvif->vdev_id);
 
+	if (ath11k_wmi_supports_6ghz_cc_ext(ar) &&
+	    ctx->def.chan->band == NL80211_BAND_6GHZ &&
+	    arvif->vdev_type == WMI_VDEV_TYPE_STA) {
+		reg_info = &ab->reg_info_store[ar->pdev_idx];
+		power_type = vif->bss_conf.power_type;
+		ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx power type %d\n",
+			   power_type);
+		if (power_type == IEEE80211_REG_UNSET_AP) {
+			ret = -EINVAL;
+			goto out;
+		}
+		ath11k_reg_handle_chan_list(ab, reg_info, power_type);
+	}
+
 	/* for QCA6390 bss peer must be created before vdev_start */
 	if (ab->hw_params.vdev_start_delay &&
 	    arvif->vdev_type != WMI_VDEV_TYPE_AP &&
-- 
2.25.1