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From: Shayne Chen <shayne.chen@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
	Ryder Lee <ryder.lee@mediatek.com>,
	Evelyn Tsai <evelyn.tsai@mediatek.com>,
	linux-mediatek <linux-mediatek@lists.infradead.org>,
	Shayne Chen <shayne.chen@mediatek.com>
Subject: [PATCH v2 3/8] mt76: mt7915: improve starec readability of txbf
Date: Mon, 6 Sep 2021 19:44:18 +0800	[thread overview]
Message-ID: <20210906114423.13646-3-shayne.chen@mediatek.com> (raw)
In-Reply-To: <20210906114423.13646-1-shayne.chen@mediatek.com>

From: Ryder Lee <ryder.lee@mediatek.com>

1. Drop unnecessary MT_EBF/MT_IBF enum.
2. Rename fields 'nc'/'nr' to 'ncol'/'nrow'.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 81 ++++++++++---------
 .../net/wireless/mediatek/mt76/mt7915/mcu.h   | 13 +--
 2 files changed, 45 insertions(+), 49 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 89df9bcd14e6..da40be8daa6e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1791,7 +1791,6 @@ mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
 static void
 mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
 {
-	bf->bf_cap = MT_EBF;
 	bf->sounding_phy = MT_PHY_TYPE_OFDM;
 	bf->ndp_rate = 0;				/* mcs0 */
 	bf->ndpa_rate = MT7915_CFEND_RATE_DEFAULT;	/* ofdm 24m */
@@ -1806,7 +1805,6 @@ mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	u8 n = 0;
 
 	bf->tx_mode = MT_PHY_TYPE_HT;
-	bf->bf_cap = MT_IBF;
 
 	if (mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF &&
 	    (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
@@ -1819,8 +1817,8 @@ mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	else if (mcs->rx_mask[1])
 		n = 1;
 
-	bf->nr = hweight8(phy->mt76->chainmask) - 1;
-	bf->nc = min_t(u8, bf->nr, n);
+	bf->nrow = hweight8(phy->mt76->chainmask) - 1;
+	bf->ncol = min_t(u8, bf->nrow, n);
 	bf->ibf_ncol = n;
 }
 
@@ -1837,23 +1835,23 @@ mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	bf->tx_mode = MT_PHY_TYPE_VHT;
 
 	if (explicit) {
-		u8 bfee_nr, bfer_nr;
+		u8 sts, snd_dim;
 
 		mt7915_mcu_sta_sounding_rate(bf);
-		bfee_nr = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
-				    pc->cap);
-		bfer_nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+
+		sts = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
+				pc->cap);
+		snd_dim = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
 				    vc->cap);
-		bf->nr = min_t(u8, min_t(u8, bfer_nr, bfee_nr), tx_ant);
-		bf->nc = min_t(u8, nss_mcs, bf->nr);
-		bf->ibf_ncol = bf->nc;
+		bf->nrow = min_t(u8, min_t(u8, snd_dim, sts), tx_ant);
+		bf->ncol = min_t(u8, nss_mcs, bf->nrow);
+		bf->ibf_ncol = bf->ncol;
 
 		if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
-			bf->nr = 1;
+			bf->nrow = 1;
 	} else {
-		bf->bf_cap = MT_IBF;
-		bf->nr = tx_ant;
-		bf->nc = min_t(u8, nss_mcs, bf->nr);
+		bf->nrow = tx_ant;
+		bf->ncol = min_t(u8, nss_mcs, bf->nrow);
 		bf->ibf_ncol = nss_mcs;
 
 		if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
@@ -1871,21 +1869,23 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 	const struct ieee80211_he_cap_elem *ve = &vc->he_cap_elem;
 	u16 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80);
 	u8 nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
-	u8 bfee_nr, bfer_nr;
+	u8 snd_dim, sts;
 
 	bf->tx_mode = MT_PHY_TYPE_HE_SU;
+
 	mt7915_mcu_sta_sounding_rate(bf);
+
 	bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMING_FB,
 				pe->phy_cap_info[6]);
 	bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
 				pe->phy_cap_info[6]);
-	bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+	snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
 			 ve->phy_cap_info[5]);
-	bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
-			 pe->phy_cap_info[4]);
-	bf->nr = min_t(u8, bfer_nr, bfee_nr);
-	bf->nc = min_t(u8, nss_mcs, bf->nr);
-	bf->ibf_ncol = bf->nc;
+	sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
+		     pe->phy_cap_info[4]);
+	bf->nrow = min_t(u8, snd_dim, sts);
+	bf->ncol = min_t(u8, nss_mcs, bf->nrow);
+	bf->ibf_ncol = bf->ncol;
 
 	if (sta->bandwidth != IEEE80211_STA_RX_BW_160)
 		return;
@@ -1896,7 +1896,7 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 		mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
 		nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
 
-		bf->nc_bw160 = nss_mcs;
+		bf->ncol_bw160 = nss_mcs;
 	}
 
 	if (pe->phy_cap_info[0] &
@@ -1904,18 +1904,18 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 		mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
 		nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
 
-		if (bf->nc_bw160)
-			bf->nc_bw160 = min_t(u8, bf->nc_bw160, nss_mcs);
+		if (bf->ncol_bw160)
+			bf->ncol_bw160 = min_t(u8, bf->ncol_bw160, nss_mcs);
 		else
-			bf->nc_bw160 = nss_mcs;
+			bf->ncol_bw160 = nss_mcs;
 	}
 
-	bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
+	snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
 			 ve->phy_cap_info[5]);
-	bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
-			 pe->phy_cap_info[4]);
+	sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
+		     pe->phy_cap_info[4]);
 
-	bf->nr_bw160 = min_t(int, bfer_nr, bfee_nr);
+	bf->nrow_bw160 = min_t(int, snd_dim, sts);
 }
 
 static void
@@ -1956,19 +1956,20 @@ mt7915_mcu_sta_bfer_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	else
 		return;
 
+	bf->bf_cap = ebf ? ebf : dev->ibf << 1;
 	bf->bw = sta->bandwidth;
 	bf->ibf_dbw = sta->bandwidth;
 	bf->ibf_nrow = tx_ant;
 
-	if (!ebf && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
+	if (!ebf && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->ncol)
 		bf->ibf_timeout = 0x48;
 	else
 		bf->ibf_timeout = 0x18;
 
-	if (ebf && bf->nr != tx_ant)
-		bf->mem_20m = matrix[tx_ant][bf->nc];
+	if (ebf && bf->nrow != tx_ant)
+		bf->mem_20m = matrix[tx_ant][bf->ncol];
 	else
-		bf->mem_20m = matrix[bf->nr][bf->nc];
+		bf->mem_20m = matrix[bf->nrow][bf->ncol];
 
 	switch (sta->bandwidth) {
 	case IEEE80211_STA_RX_BW_160:
@@ -1994,7 +1995,7 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
 	struct sta_rec_bfee *bfee;
 	struct tlv *tlv;
-	u8 nr = 0;
+	u8 nrow = 0;
 
 	if (!mt7915_is_ebf_supported(phy, vif, sta, true))
 		return;
@@ -2005,17 +2006,17 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	if (sta->he_cap.has_he) {
 		struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
 
-		nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
-			    pe->phy_cap_info[5]);
+		nrow = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+			      pe->phy_cap_info[5]);
 	} else if (sta->vht_cap.vht_supported) {
 		struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
 
-		nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
-			       pc->cap);
+		nrow = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+				 pc->cap);
 	}
 
 	/* reply with identity matrix to avoid 2x2 BF negative gain */
-	bfee->fb_identity_matrix = !!(nr == 1 && tx_ant == 2);
+	bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
 }
 
 static int
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 158c8e68c59e..d604a39f8413 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -967,8 +967,8 @@ struct sta_rec_bf {
 	u8 ndp_rate;
 	u8 rept_poll_rate;
 	u8 tx_mode;		/* 0: legacy, 1: OFDM, 2: HT, 4: VHT ... */
-	u8 nc;
-	u8 nr;
+	u8 ncol;
+	u8 nrow;
 	u8 bw;			/* 0: 20M, 1: 40M, 2: 80M, 3: 160M */
 
 	u8 mem_total;
@@ -988,8 +988,8 @@ struct sta_rec_bf {
 	u8 ibf_dbw;
 	u8 ibf_ncol;
 	u8 ibf_nrow;
-	u8 nr_bw160;
-	u8 nc_bw160;
+	u8 nrow_bw160;
+	u8 ncol_bw160;
 	u8 ru_start_idx;
 	u8 ru_end_idx;
 
@@ -1080,11 +1080,6 @@ enum {
 	THERMAL_PROTECT_STATE_ACT,
 };
 
-enum {
-	MT_EBF = BIT(0),	/* explicit beamforming */
-	MT_IBF = BIT(1)		/* implicit beamforming */
-};
-
 enum {
 	MT_BF_SOUNDING_ON = 1,
 	MT_BF_TYPE_UPDATE = 20,
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Shayne Chen <shayne.chen@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
	Ryder Lee <ryder.lee@mediatek.com>,
	"Evelyn Tsai" <evelyn.tsai@mediatek.com>,
	linux-mediatek <linux-mediatek@lists.infradead.org>,
	Shayne Chen <shayne.chen@mediatek.com>
Subject: [PATCH v2 3/8] mt76: mt7915: improve starec readability of txbf
Date: Mon, 6 Sep 2021 19:44:18 +0800	[thread overview]
Message-ID: <20210906114423.13646-3-shayne.chen@mediatek.com> (raw)
In-Reply-To: <20210906114423.13646-1-shayne.chen@mediatek.com>

From: Ryder Lee <ryder.lee@mediatek.com>

1. Drop unnecessary MT_EBF/MT_IBF enum.
2. Rename fields 'nc'/'nr' to 'ncol'/'nrow'.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 81 ++++++++++---------
 .../net/wireless/mediatek/mt76/mt7915/mcu.h   | 13 +--
 2 files changed, 45 insertions(+), 49 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 89df9bcd14e6..da40be8daa6e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1791,7 +1791,6 @@ mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
 static void
 mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
 {
-	bf->bf_cap = MT_EBF;
 	bf->sounding_phy = MT_PHY_TYPE_OFDM;
 	bf->ndp_rate = 0;				/* mcs0 */
 	bf->ndpa_rate = MT7915_CFEND_RATE_DEFAULT;	/* ofdm 24m */
@@ -1806,7 +1805,6 @@ mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	u8 n = 0;
 
 	bf->tx_mode = MT_PHY_TYPE_HT;
-	bf->bf_cap = MT_IBF;
 
 	if (mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF &&
 	    (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
@@ -1819,8 +1817,8 @@ mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	else if (mcs->rx_mask[1])
 		n = 1;
 
-	bf->nr = hweight8(phy->mt76->chainmask) - 1;
-	bf->nc = min_t(u8, bf->nr, n);
+	bf->nrow = hweight8(phy->mt76->chainmask) - 1;
+	bf->ncol = min_t(u8, bf->nrow, n);
 	bf->ibf_ncol = n;
 }
 
@@ -1837,23 +1835,23 @@ mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
 	bf->tx_mode = MT_PHY_TYPE_VHT;
 
 	if (explicit) {
-		u8 bfee_nr, bfer_nr;
+		u8 sts, snd_dim;
 
 		mt7915_mcu_sta_sounding_rate(bf);
-		bfee_nr = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
-				    pc->cap);
-		bfer_nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+
+		sts = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
+				pc->cap);
+		snd_dim = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
 				    vc->cap);
-		bf->nr = min_t(u8, min_t(u8, bfer_nr, bfee_nr), tx_ant);
-		bf->nc = min_t(u8, nss_mcs, bf->nr);
-		bf->ibf_ncol = bf->nc;
+		bf->nrow = min_t(u8, min_t(u8, snd_dim, sts), tx_ant);
+		bf->ncol = min_t(u8, nss_mcs, bf->nrow);
+		bf->ibf_ncol = bf->ncol;
 
 		if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
-			bf->nr = 1;
+			bf->nrow = 1;
 	} else {
-		bf->bf_cap = MT_IBF;
-		bf->nr = tx_ant;
-		bf->nc = min_t(u8, nss_mcs, bf->nr);
+		bf->nrow = tx_ant;
+		bf->ncol = min_t(u8, nss_mcs, bf->nrow);
 		bf->ibf_ncol = nss_mcs;
 
 		if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
@@ -1871,21 +1869,23 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 	const struct ieee80211_he_cap_elem *ve = &vc->he_cap_elem;
 	u16 mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80);
 	u8 nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
-	u8 bfee_nr, bfer_nr;
+	u8 snd_dim, sts;
 
 	bf->tx_mode = MT_PHY_TYPE_HE_SU;
+
 	mt7915_mcu_sta_sounding_rate(bf);
+
 	bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMING_FB,
 				pe->phy_cap_info[6]);
 	bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
 				pe->phy_cap_info[6]);
-	bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+	snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
 			 ve->phy_cap_info[5]);
-	bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
-			 pe->phy_cap_info[4]);
-	bf->nr = min_t(u8, bfer_nr, bfee_nr);
-	bf->nc = min_t(u8, nss_mcs, bf->nr);
-	bf->ibf_ncol = bf->nc;
+	sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
+		     pe->phy_cap_info[4]);
+	bf->nrow = min_t(u8, snd_dim, sts);
+	bf->ncol = min_t(u8, nss_mcs, bf->nrow);
+	bf->ibf_ncol = bf->ncol;
 
 	if (sta->bandwidth != IEEE80211_STA_RX_BW_160)
 		return;
@@ -1896,7 +1896,7 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 		mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
 		nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
 
-		bf->nc_bw160 = nss_mcs;
+		bf->ncol_bw160 = nss_mcs;
 	}
 
 	if (pe->phy_cap_info[0] &
@@ -1904,18 +1904,18 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 		mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
 		nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
 
-		if (bf->nc_bw160)
-			bf->nc_bw160 = min_t(u8, bf->nc_bw160, nss_mcs);
+		if (bf->ncol_bw160)
+			bf->ncol_bw160 = min_t(u8, bf->ncol_bw160, nss_mcs);
 		else
-			bf->nc_bw160 = nss_mcs;
+			bf->ncol_bw160 = nss_mcs;
 	}
 
-	bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
+	snd_dim = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
 			 ve->phy_cap_info[5]);
-	bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
-			 pe->phy_cap_info[4]);
+	sts = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
+		     pe->phy_cap_info[4]);
 
-	bf->nr_bw160 = min_t(int, bfer_nr, bfee_nr);
+	bf->nrow_bw160 = min_t(int, snd_dim, sts);
 }
 
 static void
@@ -1956,19 +1956,20 @@ mt7915_mcu_sta_bfer_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	else
 		return;
 
+	bf->bf_cap = ebf ? ebf : dev->ibf << 1;
 	bf->bw = sta->bandwidth;
 	bf->ibf_dbw = sta->bandwidth;
 	bf->ibf_nrow = tx_ant;
 
-	if (!ebf && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
+	if (!ebf && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->ncol)
 		bf->ibf_timeout = 0x48;
 	else
 		bf->ibf_timeout = 0x18;
 
-	if (ebf && bf->nr != tx_ant)
-		bf->mem_20m = matrix[tx_ant][bf->nc];
+	if (ebf && bf->nrow != tx_ant)
+		bf->mem_20m = matrix[tx_ant][bf->ncol];
 	else
-		bf->mem_20m = matrix[bf->nr][bf->nc];
+		bf->mem_20m = matrix[bf->nrow][bf->ncol];
 
 	switch (sta->bandwidth) {
 	case IEEE80211_STA_RX_BW_160:
@@ -1994,7 +1995,7 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
 	struct sta_rec_bfee *bfee;
 	struct tlv *tlv;
-	u8 nr = 0;
+	u8 nrow = 0;
 
 	if (!mt7915_is_ebf_supported(phy, vif, sta, true))
 		return;
@@ -2005,17 +2006,17 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	if (sta->he_cap.has_he) {
 		struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
 
-		nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
-			    pe->phy_cap_info[5]);
+		nrow = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+			      pe->phy_cap_info[5]);
 	} else if (sta->vht_cap.vht_supported) {
 		struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
 
-		nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
-			       pc->cap);
+		nrow = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+				 pc->cap);
 	}
 
 	/* reply with identity matrix to avoid 2x2 BF negative gain */
-	bfee->fb_identity_matrix = !!(nr == 1 && tx_ant == 2);
+	bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
 }
 
 static int
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 158c8e68c59e..d604a39f8413 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -967,8 +967,8 @@ struct sta_rec_bf {
 	u8 ndp_rate;
 	u8 rept_poll_rate;
 	u8 tx_mode;		/* 0: legacy, 1: OFDM, 2: HT, 4: VHT ... */
-	u8 nc;
-	u8 nr;
+	u8 ncol;
+	u8 nrow;
 	u8 bw;			/* 0: 20M, 1: 40M, 2: 80M, 3: 160M */
 
 	u8 mem_total;
@@ -988,8 +988,8 @@ struct sta_rec_bf {
 	u8 ibf_dbw;
 	u8 ibf_ncol;
 	u8 ibf_nrow;
-	u8 nr_bw160;
-	u8 nc_bw160;
+	u8 nrow_bw160;
+	u8 ncol_bw160;
 	u8 ru_start_idx;
 	u8 ru_end_idx;
 
@@ -1080,11 +1080,6 @@ enum {
 	THERMAL_PROTECT_STATE_ACT,
 };
 
-enum {
-	MT_EBF = BIT(0),	/* explicit beamforming */
-	MT_IBF = BIT(1)		/* implicit beamforming */
-};
-
 enum {
 	MT_BF_SOUNDING_ON = 1,
 	MT_BF_TYPE_UPDATE = 20,
-- 
2.25.1
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  parent reply	other threads:[~2021-09-06 11:45 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() Shayne Chen
2021-09-06 11:44 ` Shayne Chen
2021-09-06 11:44 ` [PATCH v2 2/8] mt76: mt7915: fix txbf starec TLV issues Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 11:44 ` Shayne Chen [this message]
2021-09-06 11:44   ` [PATCH v2 3/8] mt76: mt7915: improve starec readability of txbf Shayne Chen
2021-09-06 11:44 ` [PATCH v2 4/8] mt76: mt7915: fix sta_rec_wtbl tag len Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 11:44 ` [PATCH v2 5/8] mt76: mt7915: rework starec TLV tags Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 11:44 ` [PATCH v2 6/8] mt76: mt7915: fix muar_idx in mt7915_mcu_alloc_sta_req() Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 11:44 ` [PATCH v2 7/8] mt76: mt7915: set VTA bit in tx descriptor Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 11:44 ` [PATCH v2 8/8] mt76: mt7915: set muru platform type Shayne Chen
2021-09-06 11:44   ` Shayne Chen
2021-09-06 18:46   ` Ryder Lee
2021-09-06 18:46     ` Ryder Lee

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