[PATCH 181/379][SRU][OEM-5.6] ath11k: build HE 6 GHz capability

[You-Sheng Yang]

From: Rajkumar Manoharan <rmanohar at codeaurora.org>

BugLink: https://bugs.launchpad.net/bugs/1879633

Build 6 GHz band capability from HT and VHT capabilities reported
by firmware.

Signed-off-by: Rajkumar Manoharan <rmanohar at codeaurora.org>
Signed-off-by: Kalle Valo <kvalo at codeaurora.org>
Link: https://lore.kernel.org/r/1591057888-2862-1-git-send-email-rmanohar@codeaurora.org
(cherry picked from commit f28b7b78aad32bcbec49e77baf140be14c7dd99b)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 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 67dee661d6bb..0cb844aceba4 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -552,6 +552,7 @@ 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_capa;
 };
 
 struct ath11k_pdev_cap {
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index ea732f973079..b3ae1a0bceb3 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -3615,6 +3615,35 @@ ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
 	he_cap_elem->phy_cap_info[9] &= ~m;
 }
 
+static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,
+					   struct ath11k_band_cap *bcap)
+{
+	u8 val;
+
+	bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;
+	if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
+		bcap->he_6ghz_capa |=
+			FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
+				   WLAN_HT_CAP_SM_PS_DYNAMIC);
+	else
+		bcap->he_6ghz_capa |=
+			FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
+				   WLAN_HT_CAP_SM_PS_DISABLED);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+			pcap->vht_cap);
+	bcap->he_6ghz_capa |=
+		FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val);
+	val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);
+	bcap->he_6ghz_capa |=
+		FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val);
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
+		bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+	if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
+		bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
+
+	return cpu_to_le16(bcap->he_6ghz_capa);
+}
+
 static int ath11k_mac_copy_he_cap(struct ath11k *ar,
 				  struct ath11k_pdev_cap *cap,
 				  struct ieee80211_sband_iftype_data *data,
@@ -3697,6 +3726,11 @@ 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) {
+			data[idx].he_6ghz_capa.capa =
+				ath11k_mac_setup_he_6ghz_cap(cap, band_cap);
+		}
 		idx++;
 	}
 
-- 
2.29.2