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* [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps()
@ 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
                   ` (6 more replies)
  0 siblings, 7 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

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

Beacon elements might be changed by hostapd configuraion, so driver
should compare both IEs and PHY capabilities to get the least common
denominator before association.

Co-developed-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
v2: modify condition for mimo_dl_en
---
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 163 +++++++++++++-----
 .../wireless/mediatek/mt76/mt7915/mt7915.h    |  12 ++
 2 files changed, 136 insertions(+), 39 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 39cba8210242..955afe9f2958 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1317,9 +1317,11 @@ mt7915_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
 }
 
 static void
-mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+		      struct ieee80211_vif *vif)
 {
 	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
 	struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
 	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
 	enum nl80211_band band = msta->vif->phy->mt76->chandef.chan->band;
@@ -1352,8 +1354,8 @@ mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 	     IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
 		cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
 
-	if (elem->phy_cap_info[1] &
-	    IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
+	if (mvif->cap.ldpc && (elem->phy_cap_info[1] &
+			       IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD))
 		cap |= STA_REC_HE_CAP_LDPC;
 
 	if (elem->phy_cap_info[1] &
@@ -1488,8 +1490,10 @@ mt7915_mcu_sta_uapsd_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 }
 
 static void
-mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+			struct ieee80211_vif *vif)
 {
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
 	struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
 	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
 	struct sta_rec_muru *muru;
@@ -1499,7 +1503,13 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 
 	muru = (struct sta_rec_muru *)tlv;
 	muru->cfg.ofdma_dl_en = true;
-	muru->cfg.mimo_dl_en = true;
+
+	/* A non-AP HE station must support MU beamformee */
+	muru->cfg.mimo_dl_en = (vif->type == NL80211_IFTYPE_STATION &&
+				vif->bss_conf.he_support) ||
+			       mvif->cap.he_mu_ebfer ||
+			       mvif->cap.vht_mu_ebfer ||
+			       mvif->cap.vht_mu_ebfee;
 
 	muru->ofdma_dl.punc_pream_rx =
 		HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
@@ -1598,7 +1608,7 @@ mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 
 	/* starec he */
 	if (sta->he_cap.has_he)
-		mt7915_mcu_sta_he_tlv(skb, sta);
+		mt7915_mcu_sta_he_tlv(skb, sta, vif);
 
 	/* starec uapsd */
 	mt7915_mcu_sta_uapsd_tlv(skb, sta, vif);
@@ -1620,9 +1630,11 @@ mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 }
 
 static void
-mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
-		       void *sta_wtbl, void *wtbl_tlv)
+mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta, void *sta_wtbl,
+		       void *wtbl_tlv)
 {
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
 	struct wtbl_ht *ht = NULL;
 	struct tlv *tlv;
 
@@ -1631,7 +1643,8 @@ mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 		tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
 						wtbl_tlv, sta_wtbl);
 		ht = (struct wtbl_ht *)tlv;
-		ht->ldpc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
+		ht->ldpc = mvif->cap.ldpc &&
+			   (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
 		ht->af = sta->ht_cap.ampdu_factor;
 		ht->mm = sta->ht_cap.ampdu_density;
 		ht->ht = true;
@@ -1645,7 +1658,8 @@ mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 		tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
 						wtbl_tlv, sta_wtbl);
 		vht = (struct wtbl_vht *)tlv;
-		vht->ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
+		vht->ldpc = mvif->cap.ldpc &&
+			    (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
 		vht->vht = true;
 
 		af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
@@ -1968,7 +1982,7 @@ mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	struct mt7915_phy *phy;
 	struct sk_buff *skb;
 	int r, len;
-	bool ebfee = 0, ebf = 0;
+	bool ebfee = false, ebfer = false;
 
 	if (vif->type != NL80211_IFTYPE_STATION &&
 	    vif->type != NL80211_IFTYPE_AP)
@@ -1977,42 +1991,32 @@ mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
 
 	if (sta->he_cap.has_he) {
-		struct ieee80211_he_cap_elem *pe;
-		const struct ieee80211_he_cap_elem *ve;
-		const struct ieee80211_sta_he_cap *vc;
-
-		pe = &sta->he_cap.he_cap_elem;
-		vc = mt7915_get_he_phy_cap(phy, vif);
-		ve = &vc->he_cap_elem;
-
-		ebfee = !!(HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) &&
-			   HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]));
-		ebf = !!(HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) &&
-			 HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]));
-	} else if (sta->vht_cap.vht_supported) {
-		struct ieee80211_sta_vht_cap *pc;
-		struct ieee80211_sta_vht_cap *vc;
+		struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
 
-		pc = &sta->vht_cap;
-		vc = &phy->mt76->sband_5g.sband.vht_cap;
+		ebfee = mvif->cap.he_su_ebfee &&
+			HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
+		ebfer = mvif->cap.he_su_ebfer &&
+			HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
+	} else if (sta->vht_cap.vht_supported) {
+		u32 cap = sta->vht_cap.cap;
 
-		ebfee = !!((pc->cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) &&
-			   (vc->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));
-		ebf = !!((vc->cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) &&
-			 (pc->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));
+		ebfee = mvif->cap.vht_su_ebfee &&
+			(cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+		ebfer = mvif->cap.vht_su_ebfer &&
+			(cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
 	}
 
 	/* must keep each tag independent */
 
 	/* starec bf */
-	if (ebf || dev->ibf) {
+	if (ebfer || dev->ibf) {
 		len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
 
 		skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
-		mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable, ebf);
+		mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable, ebfer);
 
 		r = mt76_mcu_skb_send_msg(&dev->mt76, skb,
 					  MCU_EXT_CMD(STA_REC_UPDATE), true);
@@ -2217,7 +2221,8 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
 			cap |= STA_CAP_TX_STBC;
 		if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
 			cap |= STA_CAP_RX_STBC;
-		if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
+		if (mvif->cap.ldpc &&
+		    (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
 			cap |= STA_CAP_LDPC;
 
 		mt7915_mcu_set_sta_ht_mcs(sta, ra->ht_mcs,
@@ -2242,7 +2247,8 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
 			cap |= STA_CAP_VHT_TX_STBC;
 		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
 			cap |= STA_CAP_VHT_RX_STBC;
-		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
+		if (mvif->cap.ldpc &&
+		    (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
 			cap |= STA_CAP_VHT_LDPC;
 
 		mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs,
@@ -2276,7 +2282,7 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	 * update sta_rec_he here as well.
 	 */
 	if (sta->he_cap.has_he && changed)
-		mt7915_mcu_sta_he_tlv(skb, sta);
+		mt7915_mcu_sta_he_tlv(skb, sta, vif);
 
 	/* sta_rec_ra accommodates BW, NSS and only MCS range format
 	 * i.e 0-{7,8,9} for VHT.
@@ -2346,7 +2352,7 @@ mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	/* wait until TxBF and MU ready to update stare vht */
 
 	/* starec muru */
-	mt7915_mcu_sta_muru_tlv(skb, sta);
+	mt7915_mcu_sta_muru_tlv(skb, sta, vif);
 	/* starec vht */
 	mt7915_mcu_sta_vht_tlv(skb, sta);
 
@@ -2405,7 +2411,7 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 		mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
 		mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
 		if (sta)
-			mt7915_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+			mt7915_mcu_wtbl_ht_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
 	}
 
 	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
@@ -2499,6 +2505,83 @@ mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
 	memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
 }
 
+static void
+mt7915_mcu_beacon_check_caps(struct mt7915_phy *phy, struct ieee80211_vif *vif,
+			     struct sk_buff *skb)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_vif_cap *vc = &mvif->cap;
+	const struct ieee80211_he_cap_elem *he;
+	const struct ieee80211_vht_cap *vht;
+	const struct ieee80211_ht_cap *ht;
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+	const u8 *ie;
+	u32 len, bc;
+
+	/* Check missing configuration options to allow AP mode in mac80211
+	 * to remain in sync with hostapd settings, and get a subset of
+	 * beacon and hardware capabilities.
+	 */
+	if (WARN_ON_ONCE(skb->len <= (mgmt->u.beacon.variable - skb->data)))
+		return;
+
+	memset(vc, 0, sizeof(*vc));
+
+	len = skb->len - (mgmt->u.beacon.variable - skb->data);
+
+	ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, mgmt->u.beacon.variable,
+			      len);
+	if (ie && ie[1] >= sizeof(*ht)) {
+		ht = (void *)(ie + 2);
+		bc = le32_to_cpu(ht->cap_info);
+
+		vc->ldpc |= !!(bc & IEEE80211_HT_CAP_LDPC_CODING);
+	}
+
+	ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, mgmt->u.beacon.variable,
+			      len);
+	if (ie && ie[1] >= sizeof(*vht)) {
+		u32 pc = phy->mt76->sband_5g.sband.vht_cap.cap;
+
+		vht = (void *)(ie + 2);
+		bc = le32_to_cpu(vht->vht_cap_info);
+
+		vc->ldpc |= !!(bc & IEEE80211_VHT_CAP_RXLDPC);
+		vc->vht_su_ebfer =
+			(bc & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) &&
+			(pc & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+		vc->vht_su_ebfee =
+			(bc & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) &&
+			(pc & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
+		vc->vht_mu_ebfer =
+			(bc & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&
+			(pc & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
+		vc->vht_mu_ebfee =
+			(bc & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&
+			(pc & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
+	}
+
+	ie = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY,
+				  mgmt->u.beacon.variable, len);
+	if (ie && ie[1] >= sizeof(*he) + 1) {
+		const struct ieee80211_sta_he_cap *pc =
+			mt7915_get_he_phy_cap(phy, vif);
+		const struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
+
+		he = (void *)(ie + 3);
+
+		vc->he_su_ebfer =
+			HE_PHY(CAP3_SU_BEAMFORMER, he->phy_cap_info[3]) &&
+			HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
+		vc->he_su_ebfee =
+			HE_PHY(CAP4_SU_BEAMFORMEE, he->phy_cap_info[4]) &&
+			HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
+		vc->he_mu_ebfer =
+			HE_PHY(CAP4_MU_BEAMFORMER, he->phy_cap_info[4]) &&
+			HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4]);
+	}
+}
+
 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
 			  struct ieee80211_vif *vif, bool en)
 {
@@ -2539,6 +2622,8 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
 		info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
 	}
 
+	mt7915_mcu_beacon_check_caps(phy, vif, skb);
+
 	/* TODO: subtag - bss color count & 11v MBSSID */
 	mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
 	mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index ab8fc27646e0..d68e345765e8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -83,12 +83,24 @@ struct mt7915_sta {
 	struct mt7915_sta_key_conf bip;
 };
 
+struct mt7915_vif_cap {
+	bool ldpc:1;
+	bool vht_su_ebfer:1;
+	bool vht_su_ebfee:1;
+	bool vht_mu_ebfer:1;
+	bool vht_mu_ebfee:1;
+	bool he_su_ebfer:1;
+	bool he_su_ebfee:1;
+	bool he_mu_ebfer:1;
+};
+
 struct mt7915_vif {
 	u16 idx;
 	u8 omac_idx;
 	u8 band_idx;
 	u8 wmm_idx;
 
+	struct mt7915_vif_cap cap;
 	struct mt7915_sta sta;
 	struct mt7915_phy *phy;
 
-- 
2.25.1
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^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 2/8] mt76: mt7915: fix txbf starec TLV issues
  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 3/8] mt76: mt7915: improve starec readability of txbf Shayne Chen
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

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

With this patch we can append txbf starec TLVs. This is an intermediate
patch for reworking starec TLV tags.

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   | 139 +++++++++---------
 .../net/wireless/mediatek/mt76/mt7915/mcu.h   |   4 +-
 2 files changed, 71 insertions(+), 72 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 955afe9f2958..89df9bcd14e6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1749,6 +1749,45 @@ int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 				     MCU_EXT_CMD(STA_REC_UPDATE), true);
 }
 
+static inline bool
+mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta, bool bfee)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
+
+	if (vif->type != NL80211_IFTYPE_STATION &&
+	    vif->type != NL80211_IFTYPE_AP)
+		return false;
+
+	if (!bfee && tx_ant < 2)
+		return false;
+
+	if (sta->he_cap.has_he) {
+		struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
+
+		if (bfee)
+			return mvif->cap.he_su_ebfee &&
+			       HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
+		else
+			return mvif->cap.he_su_ebfer &&
+			       HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
+	}
+
+	if (sta->vht_cap.vht_supported) {
+		u32 cap = sta->vht_cap.cap;
+
+		if (bfee)
+			return mvif->cap.vht_su_ebfee &&
+			       (cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+		else
+			return mvif->cap.vht_su_ebfer &&
+			       (cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
+	}
+
+	return false;
+}
+
 static void
 mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
 {
@@ -1880,10 +1919,12 @@ mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
 }
 
 static void
-mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
-			struct ieee80211_vif *vif, struct mt7915_phy *phy,
-			bool enable, bool explicit)
+mt7915_mcu_sta_bfer_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
+			struct ieee80211_vif *vif, struct ieee80211_sta *sta)
 {
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_phy *phy =
+		mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
 	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
 	struct sta_rec_bf *bf;
 	struct tlv *tlv;
@@ -1893,25 +1934,23 @@ mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 		{2, 4, 4, 0},	/* 3x1, 3x2, 3x3, 3x4 */
 		{3, 5, 6, 0}	/* 4x1, 4x2, 4x3, 4x4 */
 	};
+	bool ebf;
 
-#define MT_BFER_FREE		cpu_to_le16(GENMASK(15, 0))
+	ebf = mt7915_is_ebf_supported(phy, vif, sta, false);
+	if (!ebf && !dev->ibf)
+		return;
 
 	tlv = mt7915_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
 	bf = (struct sta_rec_bf *)tlv;
 
-	if (!enable) {
-		bf->pfmu = MT_BFER_FREE;
-		return;
-	}
-
 	/* he: eBF only, in accordance with spec
 	 * vht: support eBF and iBF
 	 * ht: iBF only, since mac80211 lacks of eBF support
 	 */
-	if (sta->he_cap.has_he && explicit)
+	if (sta->he_cap.has_he && ebf)
 		mt7915_mcu_sta_bfer_he(sta, vif, phy, bf);
 	else if (sta->vht_cap.vht_supported)
-		mt7915_mcu_sta_bfer_vht(sta, phy, bf, explicit);
+		mt7915_mcu_sta_bfer_vht(sta, phy, bf, ebf);
 	else if (sta->ht_cap.ht_supported)
 		mt7915_mcu_sta_bfer_ht(sta, phy, bf);
 	else
@@ -1921,12 +1960,12 @@ mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 	bf->ibf_dbw = sta->bandwidth;
 	bf->ibf_nrow = tx_ant;
 
-	if (!explicit && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
+	if (!ebf && sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
 		bf->ibf_timeout = 0x48;
 	else
 		bf->ibf_timeout = 0x18;
 
-	if (explicit && bf->nr != tx_ant)
+	if (ebf && bf->nr != tx_ant)
 		bf->mem_20m = matrix[tx_ant][bf->nc];
 	else
 		bf->mem_20m = matrix[bf->nr][bf->nc];
@@ -1946,14 +1985,20 @@ mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 }
 
 static void
-mt7915_mcu_sta_bfee_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
-			struct mt7915_phy *phy)
+mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
+			struct ieee80211_vif *vif, struct ieee80211_sta *sta)
 {
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_phy *phy =
+		mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
 	int tx_ant = hweight8(phy->mt76->chainmask) - 1;
 	struct sta_rec_bfee *bfee;
 	struct tlv *tlv;
 	u8 nr = 0;
 
+	if (!mt7915_is_ebf_supported(phy, vif, sta, true))
+		return;
+
 	tlv = mt7915_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
 	bfee = (struct sta_rec_bfee *)tlv;
 
@@ -1979,68 +2024,20 @@ mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 {
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
 	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
-	struct mt7915_phy *phy;
 	struct sk_buff *skb;
-	int r, len;
-	bool ebfee = false, ebfer = false;
-
-	if (vif->type != NL80211_IFTYPE_STATION &&
-	    vif->type != NL80211_IFTYPE_AP)
-		return 0;
-
-	phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
-
-	if (sta->he_cap.has_he) {
-		struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
-
-		ebfee = mvif->cap.he_su_ebfee &&
-			HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
-		ebfer = mvif->cap.he_su_ebfer &&
-			HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
-	} else if (sta->vht_cap.vht_supported) {
-		u32 cap = sta->vht_cap.cap;
-
-		ebfee = mvif->cap.vht_su_ebfee &&
-			(cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
-		ebfer = mvif->cap.vht_su_ebfer &&
-			(cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
-	}
 
-	/* must keep each tag independent */
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
 
 	/* starec bf */
-	if (ebfer || dev->ibf) {
-		len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
-
-		skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
-		if (IS_ERR(skb))
-			return PTR_ERR(skb);
-
-		mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable, ebfer);
-
-		r = mt76_mcu_skb_send_msg(&dev->mt76, skb,
-					  MCU_EXT_CMD(STA_REC_UPDATE), true);
-		if (r)
-			return r;
-	}
-
+	mt7915_mcu_sta_bfer_tlv(dev, skb, vif, sta);
 	/* starec bfee */
-	if (ebfee) {
-		len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bfee);
-
-		skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
-		if (IS_ERR(skb))
-			return PTR_ERR(skb);
-
-		mt7915_mcu_sta_bfee_tlv(skb, sta, phy);
-
-		r = mt76_mcu_skb_send_msg(&dev->mt76, skb,
-					  MCU_EXT_CMD(STA_REC_UPDATE), true);
-		if (r)
-			return r;
-	}
+	mt7915_mcu_sta_bfee_tlv(dev, skb, vif, sta);
 
-	return 0;
+	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				     MCU_EXT_CMD(STA_REC_UPDATE), true);
 }
 
 int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 9e966cfcf5a2..158c8e68c59e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -1001,7 +1001,7 @@ struct sta_rec_bf {
 	bool codebook75_mu;
 
 	u8 he_ltf;
-	u8 rsv[2];
+	u8 rsv[3];
 } __packed;
 
 struct sta_rec_bfee {
@@ -1102,12 +1102,14 @@ enum {
 
 #define MT7915_STA_UPDATE_MAX_SIZE	(sizeof(struct sta_req_hdr) +	\
 					 sizeof(struct sta_rec_basic) +	\
+					 sizeof(struct sta_rec_bf) +	\
 					 sizeof(struct sta_rec_ht) +	\
 					 sizeof(struct sta_rec_he) +	\
 					 sizeof(struct sta_rec_ba) +	\
 					 sizeof(struct sta_rec_vht) +	\
 					 sizeof(struct sta_rec_uapsd) + \
 					 sizeof(struct sta_rec_amsdu) +	\
+					 sizeof(struct sta_rec_bfee) +	\
 					 sizeof(struct tlv) +		\
 					 MT7915_WTBL_UPDATE_MAX_SIZE)
 
-- 
2.25.1
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 3/8] mt76: mt7915: improve starec readability of txbf
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() 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 ` [PATCH v2 4/8] mt76: mt7915: fix sta_rec_wtbl tag len Shayne Chen
                   ` (4 subsequent siblings)
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

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
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 4/8] mt76: mt7915: fix sta_rec_wtbl tag len
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() 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 ` [PATCH v2 3/8] mt76: mt7915: improve starec readability of txbf 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
                   ` (3 subsequent siblings)
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

Fix tag len error for sta_rec_wtbl, which causes fw parsing error for
the tags placed behind it.

Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based
chipsets")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index da40be8daa6e..fa4a98e59f77 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -607,7 +607,7 @@ mt7915_mcu_alloc_wtbl_req(struct mt7915_dev *dev, struct mt7915_sta *msta,
 	}
 
 	if (sta_hdr)
-		sta_hdr->len = cpu_to_le16(sizeof(hdr));
+		le16_add_cpu(&sta_hdr->len, sizeof(hdr));
 
 	return skb_put_data(nskb, &hdr, sizeof(hdr));
 }
-- 
2.25.1
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 5/8] mt76: mt7915: rework starec TLV tags
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() Shayne Chen
                   ` (2 preceding siblings ...)
  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 6/8] mt76: mt7915: fix muar_idx in mt7915_mcu_alloc_sta_req() Shayne Chen
                   ` (2 subsequent siblings)
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

Rework starec tags to the order which firmware expected. This also fixes
some weird behaviors when generating txcmd for HE-MU.

Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
v2: add b/mcast wcid to drr group
---
 .../net/wireless/mediatek/mt76/mt7915/main.c  |   3 +-
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 232 +++++++-----------
 .../net/wireless/mediatek/mt76/mt7915/mcu.h   |   1 +
 .../wireless/mediatek/mt76/mt7915/mt7915.h    |   2 -
 4 files changed, 95 insertions(+), 143 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 0aea6272fd14..bfb52514ae4b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -635,7 +635,7 @@ int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	if (ret)
 		return ret;
 
-	return mt7915_mcu_add_sta_adv(dev, vif, sta, true);
+	return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false);
 }
 
 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
@@ -644,7 +644,6 @@ void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
 	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
 
-	mt7915_mcu_add_sta_adv(dev, vif, sta, false);
 	mt7915_mcu_add_sta(dev, vif, sta, false);
 
 	mt7915_mac_wtbl_update(dev, msta->wcid.idx,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index fa4a98e59f77..a801df6e6996 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1322,14 +1322,16 @@ mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 {
 	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
-	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+	struct ieee80211_he_cap_elem *elem = &sta->he_cap.he_cap_elem;
 	enum nl80211_band band = msta->vif->phy->mt76->chandef.chan->band;
 	const u16 *mcs_mask = msta->vif->bitrate_mask.control[band].he_mcs;
 	struct sta_rec_he *he;
 	struct tlv *tlv;
 	u32 cap = 0;
 
+	if (!sta->he_cap.has_he)
+		return;
+
 	tlv = mt7915_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
 
 	he = (struct sta_rec_he *)tlv;
@@ -1494,11 +1496,13 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 			struct ieee80211_vif *vif)
 {
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
-	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+	struct ieee80211_he_cap_elem *elem = &sta->he_cap.he_cap_elem;
 	struct sta_rec_muru *muru;
 	struct tlv *tlv;
 
+	if (!sta->vht_cap.vht_supported && !sta->he_cap.has_he)
+		return;
+
 	tlv = mt7915_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
 
 	muru = (struct sta_rec_muru *)tlv;
@@ -1543,12 +1547,27 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 		HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]);
 }
 
+static void
+mt7915_mcu_sta_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+{
+	struct sta_rec_ht *ht;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
+
+	ht = (struct sta_rec_ht *)tlv;
+	ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
+}
+
 static void
 mt7915_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 {
 	struct sta_rec_vht *vht;
 	struct tlv *tlv;
 
+	if (!sta->vht_cap.vht_supported)
+		return;
+
 	tlv = mt7915_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
 
 	vht = (struct sta_rec_vht *)tlv;
@@ -1558,12 +1577,17 @@ mt7915_mcu_sta_vht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 }
 
 static void
-mt7915_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+mt7915_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta)
 {
 	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
 	struct sta_rec_amsdu *amsdu;
 	struct tlv *tlv;
 
+	if (vif->type != NL80211_IFTYPE_STATION &&
+	    vif->type != NL80211_IFTYPE_AP)
+		return;
+
 	if (!sta->max_amsdu_len)
 		return;
 
@@ -1576,44 +1600,6 @@ mt7915_mcu_sta_amsdu_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
 	msta->wcid.amsdu = true;
 }
 
-static bool
-mt7915_hw_amsdu_supported(struct ieee80211_vif *vif)
-{
-	switch (vif->type) {
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_STATION:
-		return true;
-	default:
-		return false;
-	}
-}
-
-static void
-mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
-		   struct ieee80211_sta *sta, struct ieee80211_vif *vif)
-{
-	struct tlv *tlv;
-
-	/* starec ht */
-	if (sta->ht_cap.ht_supported) {
-		struct sta_rec_ht *ht;
-
-		tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
-		ht = (struct sta_rec_ht *)tlv;
-		ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
-
-		if (mt7915_hw_amsdu_supported(vif))
-			mt7915_mcu_sta_amsdu_tlv(skb, sta);
-	}
-
-	/* starec he */
-	if (sta->he_cap.has_he)
-		mt7915_mcu_sta_he_tlv(skb, sta, vif);
-
-	/* starec uapsd */
-	mt7915_mcu_sta_uapsd_tlv(skb, sta, vif);
-}
-
 static void
 mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 			 void *sta_wtbl, void *wtbl_tlv)
@@ -1624,9 +1610,7 @@ mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 	tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
 					wtbl_tlv, sta_wtbl);
 	smps = (struct wtbl_smps *)tlv;
-
-	if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
-		smps->smps = true;
+	smps->smps = (sta->smps_mode == IEEE80211_SMPS_DYNAMIC);
 }
 
 static void
@@ -1700,6 +1684,32 @@ mt7915_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
 	}
 }
 
+static int
+mt7915_mcu_sta_wtbl_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
+			struct ieee80211_vif *vif, struct ieee80211_sta *sta)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta;
+	struct wtbl_req_hdr *wtbl_hdr;
+	struct tlv *tlv;
+
+	msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
+					     tlv, &skb);
+	if (IS_ERR(wtbl_hdr))
+		return PTR_ERR(wtbl_hdr);
+
+	mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, tlv, wtbl_hdr);
+	mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, tlv, wtbl_hdr);
+
+	if (sta)
+		mt7915_mcu_wtbl_ht_tlv(skb, vif, sta, tlv, wtbl_hdr);
+
+	return 0;
+}
+
 int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
 				    struct ieee80211_vif *vif,
 				    struct ieee80211_sta *sta)
@@ -2019,28 +2029,6 @@ mt7915_mcu_sta_bfee_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
 	bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
 }
 
-static int
-mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
-		    struct ieee80211_sta *sta, bool enable)
-{
-	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
-	struct sk_buff *skb;
-
-	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
-				       MT7915_STA_UPDATE_MAX_SIZE);
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
-
-	/* starec bf */
-	mt7915_mcu_sta_bfer_tlv(dev, skb, vif, sta);
-	/* starec bfee */
-	mt7915_mcu_sta_bfee_tlv(dev, skb, vif, sta);
-
-	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
-				     MCU_EXT_CMD(STA_REC_UPDATE), true);
-}
-
 int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
 				   struct ieee80211_vif *vif,
 				   struct ieee80211_sta *sta,
@@ -2279,7 +2267,7 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	 * control, so when dev->rc_work changes the settings driver should
 	 * update sta_rec_he here as well.
 	 */
-	if (sta->he_cap.has_he && changed)
+	if (changed)
 		mt7915_mcu_sta_he_tlv(skb, sta, vif);
 
 	/* sta_rec_ra accommodates BW, NSS and only MCS range format
@@ -2305,7 +2293,7 @@ mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 {
 #define MT_STA_BSS_GROUP		1
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct mt7915_sta *msta;
 	struct {
 		__le32 action;
 		u8 wlan_idx_lo;
@@ -2316,76 +2304,24 @@ mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 		u8 rsv1[8];
 	} __packed req = {
 		.action = cpu_to_le32(MT_STA_BSS_GROUP),
-		.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
-		.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
 		.val = cpu_to_le32(mvif->idx % 16),
 	};
 
+	msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
+	req.wlan_idx_lo = to_wcid_lo(msta->wcid.idx);
+	req.wlan_idx_hi = to_wcid_hi(msta->wcid.idx);
+
 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(SET_DRR_CTRL), &req,
 				 sizeof(req), true);
 }
 
-static int
-mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif,
-		  struct ieee80211_sta *sta)
-{
-	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
-	struct sk_buff *skb;
-	int len, ret;
-
-	if (!sta->vht_cap.vht_supported && !sta->he_cap.has_he)
-		return 0;
-
-	ret = mt7915_mcu_add_group(dev, vif, sta);
-	if (ret)
-		return ret;
-
-	len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_muru) +
-	      sizeof(struct sta_rec_vht);
-	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
-
-	/* wait until TxBF and MU ready to update stare vht */
-
-	/* starec muru */
-	mt7915_mcu_sta_muru_tlv(skb, sta, vif);
-	/* starec vht */
-	mt7915_mcu_sta_vht_tlv(skb, sta);
-
-	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
-				     MCU_EXT_CMD(STA_REC_UPDATE), true);
-}
-
-int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
-			   struct ieee80211_sta *sta, bool enable)
-{
-	int ret;
-
-	if (!sta)
-		return 0;
-
-	/* must keep the order */
-	ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);
-	if (ret || !enable)
-		return ret;
-
-	ret = mt7915_mcu_add_mu(dev, vif, sta);
-	if (ret)
-		return ret;
-
-	return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false);
-}
-
 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 		       struct ieee80211_sta *sta, bool enable)
 {
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct wtbl_req_hdr *wtbl_hdr;
 	struct mt7915_sta *msta;
-	struct tlv *sta_wtbl;
 	struct sk_buff *skb;
+	int ret;
 
 	msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
 
@@ -2394,24 +2330,42 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
 
+	/* starec basic */
 	mt7915_mcu_sta_basic_tlv(skb, vif, sta, enable);
-	if (enable && sta)
-		mt7915_mcu_sta_tlv(dev, skb, sta, vif);
+	if (!enable)
+		goto out;
 
-	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+	/* tag order is in accordance with firmware dependency. */
+	if (sta && sta->ht_cap.ht_supported) {
+		/* starec bfer */
+		mt7915_mcu_sta_bfer_tlv(dev, skb, vif, sta);
+		/* starec ht */
+		mt7915_mcu_sta_ht_tlv(skb, sta);
+		/* starec vht */
+		mt7915_mcu_sta_vht_tlv(skb, sta);
+		/* starec uapsd */
+		mt7915_mcu_sta_uapsd_tlv(skb, sta, vif);
+	}
 
-	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
-					     sta_wtbl, &skb);
-	if (IS_ERR(wtbl_hdr))
-		return PTR_ERR(wtbl_hdr);
+	ret = mt7915_mcu_sta_wtbl_tlv(dev, skb, vif, sta);
+	if (ret)
+		return ret;
 
-	if (enable) {
-		mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
-		mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
-		if (sta)
-			mt7915_mcu_wtbl_ht_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
+	if (sta && sta->ht_cap.ht_supported) {
+		/* starec amsdu */
+		mt7915_mcu_sta_amsdu_tlv(skb, vif, sta);
+		/* starec he */
+		mt7915_mcu_sta_he_tlv(skb, sta, vif);
+		/* starec muru */
+		mt7915_mcu_sta_muru_tlv(skb, sta, vif);
+		/* starec bfee */
+		mt7915_mcu_sta_bfee_tlv(dev, skb, vif, sta);
 	}
 
+	ret = mt7915_mcu_add_group(dev, vif, sta);
+	if (ret)
+		return ret;
+out:
 	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
 				     MCU_EXT_CMD(STA_REC_UPDATE), true);
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index d604a39f8413..6344faf3f394 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -1104,6 +1104,7 @@ enum {
 					 sizeof(struct sta_rec_vht) +	\
 					 sizeof(struct sta_rec_uapsd) + \
 					 sizeof(struct sta_rec_amsdu) +	\
+					 sizeof(struct sta_rec_muru) +	\
 					 sizeof(struct sta_rec_bfee) +	\
 					 sizeof(struct tlv) +		\
 					 MT7915_WTBL_UPDATE_MAX_SIZE)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index d68e345765e8..f8f0bb3ca7cd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -304,8 +304,6 @@ int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
 			    struct ieee80211_vif *vif, int enable);
 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 		       struct ieee80211_sta *sta, bool enable);
-int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
-			   struct ieee80211_sta *sta, bool enable);
 int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
 				    struct ieee80211_vif *vif,
 				    struct ieee80211_sta *sta);
-- 
2.25.1
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 6/8] mt76: mt7915: fix muar_idx in mt7915_mcu_alloc_sta_req()
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() Shayne Chen
                   ` (3 preceding siblings ...)
  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 7/8] mt76: mt7915: set VTA bit in tx descriptor Shayne Chen
  2021-09-06 11:44 ` [PATCH v2 8/8] mt76: mt7915: set muru platform type Shayne Chen
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

For broadcast/multicast wcid, the muar_idx should be 0xe.

Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based
chipsets")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index a801df6e6996..229ba3c469d1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -571,7 +571,7 @@ mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
 		.bss_idx = mvif->idx,
 		.wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
 		.wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
-		.muar_idx = msta ? mvif->omac_idx : 0,
+		.muar_idx = msta && msta->wcid.sta ? mvif->omac_idx : 0xe,
 		.is_tlv_append = 1,
 	};
 	struct sk_buff *skb;
-- 
2.25.1
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^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 7/8] mt76: mt7915: set VTA bit in tx descriptor
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() Shayne Chen
                   ` (4 preceding siblings ...)
  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 8/8] mt76: mt7915: set muru platform type Shayne Chen
  6 siblings, 0 replies; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

The VTA (Valid for Txd Arrival time) bit should be set in tx descriptor,
which is necessary for WM fw to schedule SPL (station priority list)
normally before generating txcmd.
If it's not set, some unexpected wcids may be involved in SPL.

Suggested-by: Nelson Chang <nelson.chang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 1b8e37e265cb..497ae9935116 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1034,7 +1034,7 @@ void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
 	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
 	txwi[0] = cpu_to_le32(val);
 
-	val = MT_TXD1_LONG_FORMAT |
+	val = MT_TXD1_LONG_FORMAT | MT_TXD1_VTA |
 	      FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
 	      FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
 
-- 
2.25.1
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^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v2 8/8] mt76: mt7915: set muru platform type
  2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() Shayne Chen
                   ` (5 preceding siblings ...)
  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 18:46   ` Ryder Lee
  6 siblings, 1 reply; 9+ messages in thread
From: Shayne Chen @ 2021-09-06 11:44 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Ryder Lee, Evelyn Tsai,
	linux-mediatek, Shayne Chen

Notify fw to init corresponding muru algorithm.

Suggested-by: Money Wang <money.wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mcu.c  | 16 ++++++++++++++++
 drivers/net/wireless/mediatek/mt76/mt7915/mcu.h  |  5 +++++
 .../net/wireless/mediatek/mt76/mt7915/testmode.h |  4 ----
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 229ba3c469d1..6242d5e11107 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2949,6 +2949,21 @@ static int mt7915_mcu_set_mwds(struct mt7915_dev *dev, bool enabled)
 				 sizeof(req), false);
 }
 
+static int mt7915_mcu_set_muru_ptype(struct mt7915_dev *dev)
+{
+	struct {
+		__le32 cmd;
+		u8 ptype;
+		u8 _rsv[3];
+	} __packed req = {
+		.cmd = MURU_SET_PLATFORM_TYPE,
+		.ptype = 2,
+	};
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL), &req,
+				 sizeof(req), false);
+}
+
 int mt7915_mcu_init(struct mt7915_dev *dev)
 {
 	static const struct mt76_mcu_ops mt7915_mcu_ops = {
@@ -2973,6 +2988,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev)
 	mt7915_mcu_fw_log_2_host(dev, 0);
 	mt7915_mcu_set_mwds(dev, 1);
 	mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_RED, 0, 0);
+	mt7915_mcu_set_muru_ptype(dev);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 6344faf3f394..57be9262ec2a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -1086,6 +1086,11 @@ enum {
 	MT_BF_MODULE_UPDATE = 25
 };
 
+enum {
+	MURU_SET_ARB_OP_MODE = 14,
+	MURU_SET_PLATFORM_TYPE = 25,
+};
+
 #define MT7915_WTBL_UPDATE_MAX_SIZE	(sizeof(struct wtbl_req_hdr) +	\
 					 sizeof(struct wtbl_generic) +	\
 					 sizeof(struct wtbl_rx) +	\
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h
index 107f0cf2505e..5573ac309363 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.h
@@ -102,8 +102,4 @@ enum {
 	TAM_ARB_OP_MODE_FORCE_SU = 5,
 };
 
-enum {
-	MURU_SET_ARB_OP_MODE = 14,
-};
-
 #endif
-- 
2.25.1
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^ permalink raw reply related	[flat|nested] 9+ messages in thread

* Re: [PATCH v2 8/8] mt76: mt7915: set muru platform type
  2021-09-06 11:44 ` [PATCH v2 8/8] mt76: mt7915: set muru platform type Shayne Chen
@ 2021-09-06 18:46   ` Ryder Lee
  0 siblings, 0 replies; 9+ messages in thread
From: Ryder Lee @ 2021-09-06 18:46 UTC (permalink / raw)
  To: Shayne Chen, Felix Fietkau
  Cc: linux-wireless, Lorenzo Bianconi, Evelyn Tsai (^[$Bhq;9|*^[(B),
	linux-mediatek

On Mon, 2021-09-06 at 19:44 +0800, Shayne Chen wrote:
> Notify fw to init corresponding muru algorithm.
> 
> Suggested-by: Money Wang <money.wang@mediatek.com>
> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
> ---
>  drivers/net/wireless/mediatek/mt76/mt7915/mcu.c  | 16
> ++++++++++++++++
>  drivers/net/wireless/mediatek/mt76/mt7915/mcu.h  |  5 +++++
>  .../net/wireless/mediatek/mt76/mt7915/testmode.h |  4 ----
>  3 files changed, 21 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> index 229ba3c469d1..6242d5e11107 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> @@ -2949,6 +2949,21 @@ static int mt7915_mcu_set_mwds(struct
> mt7915_dev *dev, bool enabled)
>                                  sizeof(req), false);
>  }
> 
> +static int mt7915_mcu_set_muru_ptype(struct mt7915_dev *dev)
> +{
> +       struct {
> +               __le32 cmd;
> +               u8 ptype;
> +               u8 _rsv[3];
> +       } __packed req = {
> +               .cmd = MURU_SET_PLATFORM_TYPE,

cpu_to_le32

> +               .ptype = 2,
> +       };
> +
> +       return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL),
> &req,
> +                                sizeof(req), false);
> +}
> +
>  int mt7915_mcu_init(struct mt7915_dev *dev)
>  {
>         static const struct mt76_mcu_ops mt7915_mcu_ops = {
> @@ -2973,6 +2988,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev)
>         mt7915_mcu_fw_log_2_host(dev, 0);
>         mt7915_mcu_set_mwds(dev, 1);
>         mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
> MCU_WA_PARAM_RED, 0, 0);
> +       mt7915_mcu_set_muru_ptype(dev);
> 
>         return 0;
>  }
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
> b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
> index 6344faf3f394..57be9262ec2a 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
> @@ -1086,6 +1086,11 @@ enum {
>         MT_BF_MODULE_UPDATE = 25
>  };
> 
> +enum {
> +       MURU_SET_ARB_OP_MODE = 14,
> +       MURU_SET_PLATFORM_TYPE = 25,
> +};
> 

I think it's better to use mt7915_mcu_set_muru_cmd(phy, cmd, opcode) in
the long run to avoid adding duplicated muru_ctrl for future UL
support.



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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2021-09-06 18:57 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-06 11:44 [PATCH v2 1/8] mt76: mt7915: introduce mt7915_mcu_beacon_check_caps() 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 ` [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 ` [PATCH v2 5/8] mt76: mt7915: rework starec TLV tags 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 ` [PATCH v2 7/8] mt76: mt7915: set VTA bit in tx descriptor Shayne Chen
2021-09-06 11:44 ` [PATCH v2 8/8] mt76: mt7915: set muru platform type Shayne Chen
2021-09-06 18:46   ` Ryder Lee

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