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1// SPDX-License-Identifier: ISC2/* Copyright (C) 2021 MediaTek Inc. */3 4#include "mt7921.h"5#include "../dma.h"6#include "../mt76_connac2_mac.h"7 8int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,9 enum mt76_txq_id qid, struct mt76_wcid *wcid,10 struct ieee80211_sta *sta,11 struct mt76_tx_info *tx_info)12{13 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);14 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);15 struct ieee80211_key_conf *key = info->control.hw_key;16 struct mt76_connac_hw_txp *txp;17 struct mt76_txwi_cache *t;18 int id, pid;19 u8 *txwi = (u8 *)txwi_ptr;20 21 if (unlikely(tx_info->skb->len <= ETH_HLEN))22 return -EINVAL;23 24 if (!wcid)25 wcid = &dev->mt76.global_wcid;26 27 t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);28 t->skb = tx_info->skb;29 30 id = mt76_token_consume(mdev, &t);31 if (id < 0)32 return id;33 34 if (sta) {35 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;36 37 if (time_after(jiffies, msta->deflink.last_txs + HZ / 4)) {38 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;39 msta->deflink.last_txs = jiffies;40 }41 }42 43 pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);44 mt76_connac2_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, key,45 pid, qid, 0);46 47 txp = (struct mt76_connac_hw_txp *)(txwi + MT_TXD_SIZE);48 memset(txp, 0, sizeof(struct mt76_connac_hw_txp));49 mt76_connac_write_hw_txp(mdev, tx_info, txp, id);50 51 tx_info->skb = NULL;52 53 return 0;54}55 56int mt7921e_mac_reset(struct mt792x_dev *dev)57{58 int i, err;59 60 mt792xe_mcu_drv_pmctrl(dev);61 62 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);63 64 mt76_wr(dev, dev->irq_map->host_irq_enable, 0);65 mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);66 67 set_bit(MT76_MCU_RESET, &dev->mphy.state);68 wake_up(&dev->mt76.mcu.wait);69 skb_queue_purge(&dev->mt76.mcu.res_q);70 71 mt76_txq_schedule_all(&dev->mphy);72 73 mt76_worker_disable(&dev->mt76.tx_worker);74 napi_disable(&dev->mt76.napi[MT_RXQ_MAIN]);75 napi_disable(&dev->mt76.napi[MT_RXQ_MCU]);76 napi_disable(&dev->mt76.napi[MT_RXQ_MCU_WA]);77 napi_disable(&dev->mt76.tx_napi);78 79 mt76_connac2_tx_token_put(&dev->mt76);80 idr_init(&dev->mt76.token);81 82 mt792x_wpdma_reset(dev, true);83 84 local_bh_disable();85 mt76_for_each_q_rx(&dev->mt76, i) {86 napi_enable(&dev->mt76.napi[i]);87 napi_schedule(&dev->mt76.napi[i]);88 }89 local_bh_enable();90 91 dev->fw_assert = false;92 clear_bit(MT76_MCU_RESET, &dev->mphy.state);93 94 mt76_wr(dev, dev->irq_map->host_irq_enable,95 dev->irq_map->tx.all_complete_mask |96 MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD);97 mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);98 99 err = mt7921e_driver_own(dev);100 if (err)101 goto out;102 103 err = mt7921_run_firmware(dev);104 if (err)105 goto out;106 107 err = mt7921_mcu_set_eeprom(dev);108 if (err)109 goto out;110 111 err = mt7921_mac_init(dev);112 if (err)113 goto out;114 115 err = __mt7921_start(&dev->phy);116out:117 118 local_bh_disable();119 napi_enable(&dev->mt76.tx_napi);120 napi_schedule(&dev->mt76.tx_napi);121 local_bh_enable();122 123 mt76_worker_enable(&dev->mt76.tx_worker);124 125 return err;126}127