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From:   Rajkumar Manoharan <rmanohar@codeaurora.org>
To:     johannes@sipsolutions.net, kvalo@codeaurora.org
Cc:     linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
        Rajkumar Manoharan <rmanohar@codeaurora.org>
Subject: [PATCH v3 11/11] ath11k: build HE 6 GHz capability
Date:   Wed, 13 May 2020 12:45:05 -0700
Message-Id: <1589399105-25472-11-git-send-email-rmanohar@codeaurora.org>
In-Reply-To: <1589399105-25472-1-git-send-email-rmanohar@codeaurora.org>
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Sender: linux-wireless-owner@vger.kernel.org
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Build 6 GHz band capability from HT and VHT capabilities reported
by firmware.

Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/core.h |  1 +
 drivers/net/wireless/ath/ath11k/mac.c  | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 6e7b8ecd09a6..3325e692f7fd 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -537,6 +537,7 @@ struct ath11k_band_cap {
 	u32 he_mcs;
 	u32 he_cap_phy_info[PSOC_HOST_MAX_PHY_SIZE];
 	struct ath11k_ppe_threshold he_ppet;
+	u16 he_6ghz_cap;
 };
 
 struct ath11k_pdev_cap {
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 06d063274eea..8babba45d879 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -3522,6 +3522,34 @@ ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
 	he_cap_elem->phy_cap_info[9] &= ~m;
 }
 
+static u16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,
+					struct ath11k_band_cap *bcap)
+{
+	u8 val;
+
+	bcap->he_6ghz_cap = IEEE80211_HT_MPDU_DENSITY_NONE;
+	if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
+		bcap->he_6ghz_cap |=
+			FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SMPS_MASK,
+				   WLAN_HT_CAP_SM_PS_DYNAMIC);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+			pcap->vht_cap);
+	bcap->he_6ghz_cap |=
+	   FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+		      val);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);
+	bcap->he_6ghz_cap |=
+		FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LENGTH_MASK, val);
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
+		bcap->he_6ghz_cap |=
+			IEEE80211_HE_6GHZ_CAP_RX_ANTENNA_PATTERN;
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
+		bcap->he_6ghz_cap |=
+			IEEE80211_HE_6GHZ_CAP_TX_ANTENNA_PATTERN;
+
+	return bcap->he_6ghz_cap;
+}
+
 static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 				  struct ath11k_pdev_cap *cap,
 				  struct ieee80211_sband_iftype_data *data,
@@ -3602,6 +3630,12 @@ static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 		    IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
 			ath11k_gen_ppe_thresh(&band_cap->he_ppet,
 					      he_cap->ppe_thres);
+
+		if (band == NL80211_BAND_6GHZ) {
+			he_cap->has_he_6ghz = true;
+			he_cap->he_6ghz.cap =
+				ath11k_mac_setup_he_6ghz_cap(cap, band_cap);
+		}
 		idx++;
 	}
 
-- 
2.7.4