linux-kernel - [PATCH 5.17 0602/1126] mt76: mt7915: enlarge wcid size to 544

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Date:   Tue,  5 Apr 2022 09:22:29 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sujuan Chen <sujuan.chen@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Bo Jiao <Bo.Jiao@...iatek.com>, Felix Fietkau <nbd@....name>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 0602/1126] mt76: mt7915: enlarge wcid size to 544

From: Bo Jiao <Bo.Jiao@...iatek.com>

[ Upstream commit b37d0c9735bc1976f85636e06e07f1a7547d969d ]

The mt7916 can support up to 544 wcid entries.
This is an intermediate patch to add mt7916 support.

Co-developed-by: Sujuan Chen <sujuan.chen@...iatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@...iatek.com>
Co-developed-by: Ryder Lee <ryder.lee@...iatek.com>
Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@...iatek.com>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76.h          | 2 +-
 drivers/net/wireless/mediatek/mt76/mt7915/init.c   | 2 +-
 drivers/net/wireless/mediatek/mt76/mt7915/mac.c    | 2 +-
 drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h | 8 +++++++-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 404c3d1a70d6..1f6f7a44d3f0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -224,7 +224,7 @@ enum mt76_wcid_flags {
 	MT_WCID_FLAG_HDR_TRANS,
 };
 
-#define MT76_N_WCIDS 288
+#define MT76_N_WCIDS 544
 
 /* stored in ieee80211_tx_info::hw_queue */
 #define MT_TX_HW_QUEUE_EXT_PHY		BIT(3)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index d054cdecd5f7..29517ca08de0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -399,7 +399,7 @@ static void mt7915_mac_init(struct mt7915_dev *dev)
 	/* enable hardware de-agg */
 	mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
 
-	for (i = 0; i < MT7915_WTBL_SIZE; i++)
+	for (i = 0; i < mt7915_wtbl_size(dev); i++)
 		mt7915_mac_wtbl_update(dev, i,
 				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 	for (i = 0; i < 2; i++)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 12567b653607..db267642924d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1598,7 +1598,7 @@ static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data)
 	if (pid < MT_PACKET_ID_FIRST)
 		return;
 
-	if (wcidx >= MT7915_WTBL_SIZE)
+	if (wcidx >= mt7915_wtbl_size(dev))
 		return;
 
 	rcu_read_lock();
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 42d887383e8d..12ca54566461 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -12,7 +12,8 @@
 #define MT7915_MAX_INTERFACES		19
 #define MT7915_MAX_WMM_SETS		4
 #define MT7915_WTBL_SIZE		288
-#define MT7915_WTBL_RESERVED		(MT7915_WTBL_SIZE - 1)
+#define MT7916_WTBL_SIZE		544
+#define MT7915_WTBL_RESERVED		(mt7915_wtbl_size(dev) - 1)
 #define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED - \
 					 MT7915_MAX_INTERFACES)
 
@@ -449,6 +450,11 @@ static inline bool is_mt7915(struct mt76_dev *dev)
 	return mt76_chip(dev) == 0x7915;
 }
 
+static inline u16 mt7915_wtbl_size(struct mt7915_dev *dev)
+{
+	return is_mt7915(&dev->mt76) ? MT7915_WTBL_SIZE : MT7916_WTBL_SIZE;
+}
+
 void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev, bool write_reg,
 				  u32 clear, u32 set);
 
-- 
2.34.1