127 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: ISC
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| /* Copyright (C) 2021 MediaTek Inc. */
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| 
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| #include "mt7921.h"
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| #include "../dma.h"
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| #include "../mt76_connac2_mac.h"
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| 
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| int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
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| 			   enum mt76_txq_id qid, struct mt76_wcid *wcid,
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| 			   struct ieee80211_sta *sta,
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| 			   struct mt76_tx_info *tx_info)
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| {
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| 	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
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| 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
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| 	struct ieee80211_key_conf *key = info->control.hw_key;
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| 	struct mt76_connac_hw_txp *txp;
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| 	struct mt76_txwi_cache *t;
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| 	int id, pid;
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| 	u8 *txwi = (u8 *)txwi_ptr;
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| 
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| 	if (unlikely(tx_info->skb->len <= ETH_HLEN))
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| 		return -EINVAL;
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| 
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| 	if (!wcid)
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| 		wcid = &dev->mt76.global_wcid;
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| 
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| 	t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
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| 	t->skb = tx_info->skb;
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| 
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| 	id = mt76_token_consume(mdev, &t);
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| 	if (id < 0)
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| 		return id;
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| 
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| 	if (sta) {
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| 		struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
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| 
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| 		if (time_after(jiffies, msta->deflink.last_txs + HZ / 4)) {
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| 			info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
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| 			msta->deflink.last_txs = jiffies;
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| 		}
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| 	}
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| 
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| 	pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
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| 	mt76_connac2_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, key,
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| 				    pid, qid, 0);
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| 
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| 	txp = (struct mt76_connac_hw_txp *)(txwi + MT_TXD_SIZE);
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| 	memset(txp, 0, sizeof(struct mt76_connac_hw_txp));
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| 	mt76_connac_write_hw_txp(mdev, tx_info, txp, id);
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| 
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| 	tx_info->skb = NULL;
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| 
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| 	return 0;
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| }
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| 
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| int mt7921e_mac_reset(struct mt792x_dev *dev)
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| {
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| 	int i, err;
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| 
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| 	mt792xe_mcu_drv_pmctrl(dev);
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| 
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| 	mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
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| 
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| 	mt76_wr(dev, dev->irq_map->host_irq_enable, 0);
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| 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
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| 
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| 	set_bit(MT76_MCU_RESET, &dev->mphy.state);
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| 	wake_up(&dev->mt76.mcu.wait);
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| 	skb_queue_purge(&dev->mt76.mcu.res_q);
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| 
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| 	mt76_txq_schedule_all(&dev->mphy);
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| 
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| 	mt76_worker_disable(&dev->mt76.tx_worker);
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| 	napi_disable(&dev->mt76.napi[MT_RXQ_MAIN]);
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| 	napi_disable(&dev->mt76.napi[MT_RXQ_MCU]);
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| 	napi_disable(&dev->mt76.napi[MT_RXQ_MCU_WA]);
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| 	napi_disable(&dev->mt76.tx_napi);
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| 
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| 	mt76_connac2_tx_token_put(&dev->mt76);
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| 	idr_init(&dev->mt76.token);
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| 
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| 	mt792x_wpdma_reset(dev, true);
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| 
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| 	local_bh_disable();
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| 	mt76_for_each_q_rx(&dev->mt76, i) {
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| 		napi_enable(&dev->mt76.napi[i]);
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| 		napi_schedule(&dev->mt76.napi[i]);
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| 	}
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| 	local_bh_enable();
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| 
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| 	dev->fw_assert = false;
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| 	clear_bit(MT76_MCU_RESET, &dev->mphy.state);
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| 
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| 	mt76_wr(dev, dev->irq_map->host_irq_enable,
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| 		dev->irq_map->tx.all_complete_mask |
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| 		MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD);
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| 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
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| 
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| 	err = mt7921e_driver_own(dev);
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| 	if (err)
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| 		goto out;
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| 
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| 	err = mt7921_run_firmware(dev);
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| 	if (err)
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| 		goto out;
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| 
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| 	err = mt7921_mcu_set_eeprom(dev);
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| 	if (err)
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| 		goto out;
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| 
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| 	err = mt7921_mac_init(dev);
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| 	if (err)
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| 		goto out;
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| 
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| 	err = __mt7921_start(&dev->phy);
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| out:
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| 
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| 	local_bh_disable();
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| 	napi_enable(&dev->mt76.tx_napi);
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| 	napi_schedule(&dev->mt76.tx_napi);
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| 	local_bh_enable();
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| 
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| 	mt76_worker_enable(&dev->mt76.tx_worker);
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| 
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| 	return err;
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| }
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