Patch "wifi: mt76: mt7996: rely on mt76_connac_txp_common structure" has been added to the 6.2-stable tree

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This is a note to let you know that I've just added the patch titled

    wifi: mt76: mt7996: rely on mt76_connac_txp_common structure

to the 6.2-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-mt76-mt7996-rely-on-mt76_connac_txp_common-stru.patch
and it can be found in the queue-6.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit db97d56a3f6471535415750517ebf19ecc206760
Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Date:   Wed Jan 18 17:30:38 2023 +0100

    wifi: mt76: mt7996: rely on mt76_connac_txp_common structure
    
    [ Upstream commit 3c38dfc1702d812f7c4a89ed5b0521e2ad8381d6 ]
    
    mt7996_txp structure is equal to mt76_connac_fw_txp one. Drop mt7996_txp
    and rely on mt76_connac_txp_common.
    
    Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
    Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
    Stable-dep-of: 3b522cadedfe ("wifi: mt76: mt7996: fill txd by host driver")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index 17f0b287507d7..4a9d1d3556825 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -1072,8 +1072,8 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
 	struct ieee80211_key_conf *key = info->control.hw_key;
 	struct ieee80211_vif *vif = info->control.vif;
+	struct mt76_connac_txp_common *txp;
 	struct mt76_txwi_cache *t;
-	struct mt7996_txp *txp;
 	int id, i, pid, nbuf = tx_info->nbuf - 1;
 	bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
 	u8 *txwi = (u8 *)txwi_ptr;
@@ -1107,35 +1107,35 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 		mt7996_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, key,
 				      pid, qid, 0);
 
-	txp = (struct mt7996_txp *)(txwi + MT_TXD_SIZE);
+	txp = (struct mt76_connac_txp_common *)(txwi + MT_TXD_SIZE);
 	for (i = 0; i < nbuf; i++) {
-		txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
-		txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
+		txp->fw.buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
+		txp->fw.len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
 	}
-	txp->nbuf = nbuf;
+	txp->fw.nbuf = nbuf;
 
-	txp->flags = cpu_to_le16(MT_CT_INFO_FROM_HOST);
+	txp->fw.flags = cpu_to_le16(MT_CT_INFO_FROM_HOST);
 
 	if (!is_8023 || pid >= MT_PACKET_ID_FIRST)
-		txp->flags |= cpu_to_le16(MT_CT_INFO_APPLY_TXD);
+		txp->fw.flags |= cpu_to_le16(MT_CT_INFO_APPLY_TXD);
 
 	if (!key)
-		txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
+		txp->fw.flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
 
 	if (!is_8023 && ieee80211_is_mgmt(hdr->frame_control))
-		txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
+		txp->fw.flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
 
 	if (vif) {
 		struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
 
-		txp->bss_idx = mvif->mt76.idx;
+		txp->fw.bss_idx = mvif->mt76.idx;
 	}
 
-	txp->token = cpu_to_le16(id);
+	txp->fw.token = cpu_to_le16(id);
 	if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags))
-		txp->rept_wds_wcid = cpu_to_le16(wcid->idx);
+		txp->fw.rept_wds_wcid = cpu_to_le16(wcid->idx);
 	else
-		txp->rept_wds_wcid = cpu_to_le16(0xfff);
+		txp->fw.rept_wds_wcid = cpu_to_le16(0xfff);
 	tx_info->skb = DMA_DUMMY_DATA;
 
 	/* pass partial skb header to fw */
@@ -1174,13 +1174,13 @@ mt7996_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
 static void
 mt7996_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t)
 {
-	struct mt7996_txp *txp;
+	struct mt76_connac_txp_common *txp;
 	int i;
 
 	txp = mt7996_txwi_to_txp(dev, t);
-	for (i = 0; i < txp->nbuf; i++)
-		dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
-				 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
+	for (i = 0; i < txp->fw.nbuf; i++)
+		dma_unmap_single(dev->dev, le32_to_cpu(txp->fw.buf[i]),
+				 le16_to_cpu(txp->fw.len[i]), DMA_TO_DEVICE);
 }
 
 static void
@@ -1557,11 +1557,11 @@ void mt7996_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
 
 	/* error path */
 	if (e->skb == DMA_DUMMY_DATA) {
+		struct mt76_connac_txp_common *txp;
 		struct mt76_txwi_cache *t;
-		struct mt7996_txp *txp;
 
 		txp = mt7996_txwi_to_txp(mdev, e->txwi);
-		t = mt76_token_put(mdev, le16_to_cpu(txp->token));
+		t = mt76_token_put(mdev, le16_to_cpu(txp->fw.token));
 		e->skb = t ? t->skb : NULL;
 	}
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.h b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h
index ed79388e59713..1404ded52104a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h
@@ -265,17 +265,6 @@ enum tx_mgnt_type {
 /* VHT/HE only use bits 0-3 */
 #define MT_TX_RATE_IDX			GENMASK(5, 0)
 
-struct mt7996_txp {
-	__le16 flags;
-	__le16 token;
-	u8 bss_idx;
-	__le16 rept_wds_wcid;
-	u8 nbuf;
-#define MT_TXP_MAX_BUF_NUM	6
-	__le32 buf[MT_TXP_MAX_BUF_NUM];
-	__le16 len[MT_TXP_MAX_BUF_NUM];
-} __packed __aligned(4);
-
 #define MT_TXFREE0_PKT_TYPE		GENMASK(31, 27)
 #define MT_TXFREE0_MSDU_CNT		GENMASK(25, 16)
 #define MT_TXFREE0_RX_BYTE		GENMASK(15, 0)
@@ -379,7 +368,7 @@ struct mt7996_dfs_radar_spec {
 	struct mt7996_dfs_pattern radar_pattern[16];
 };
 
-static inline struct mt7996_txp *
+static inline struct mt76_connac_txp_common *
 mt7996_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
 {
 	u8 *txwi;
@@ -389,7 +378,7 @@ mt7996_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
 
 	txwi = mt76_get_txwi_ptr(dev, t);
 
-	return (struct mt7996_txp *)(txwi + MT_TXD_SIZE);
+	return (struct mt76_connac_txp_common *)(txwi + MT_TXD_SIZE);
 }
 
 #endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
index d8a2c1a744b25..2237f50adbc71 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
@@ -318,7 +318,7 @@ struct mt7996_dev *mt7996_mmio_probe(struct device *pdev,
 {
 	static const struct mt76_driver_ops drv_ops = {
 		/* txwi_size = txd size + txp size */
-		.txwi_size = MT_TXD_SIZE + sizeof(struct mt7996_txp),
+		.txwi_size = MT_TXD_SIZE + sizeof(struct mt76_connac_fw_txp),
 		.drv_flags = MT_DRV_TXWI_NO_FREE |
 			     MT_DRV_HW_MGMT_TXQ,
 		.survey_flags = SURVEY_INFO_TIME_TX |



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