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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0e3d677750
No functional change intended. Add SPDX identifiers to all remaining files in /mt76. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
177 lines
4.8 KiB
C
177 lines
4.8 KiB
C
// SPDX-License-Identifier: ISC
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/*
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* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
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* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
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*/
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#include <linux/kernel.h>
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#include "mt76x02.h"
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void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
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struct sk_buff *skb)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct mt76x02_dev *dev = hw->priv;
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struct ieee80211_vif *vif = info->control.vif;
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struct mt76_wcid *wcid = &dev->mt76.global_wcid;
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if (control->sta) {
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struct mt76x02_sta *msta;
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msta = (struct mt76x02_sta *)control->sta->drv_priv;
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wcid = &msta->wcid;
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} else if (vif) {
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struct mt76x02_vif *mvif;
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mvif = (struct mt76x02_vif *)vif->drv_priv;
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wcid = &mvif->group_wcid;
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}
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mt76_tx(&dev->mt76, control->sta, wcid, skb);
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}
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EXPORT_SYMBOL_GPL(mt76x02_tx);
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void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
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struct sk_buff *skb)
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{
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struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
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void *rxwi = skb->data;
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if (q == MT_RXQ_MCU) {
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/* this is used just by mmio code */
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mt76_mcu_rx_event(&dev->mt76, skb);
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return;
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}
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skb_pull(skb, sizeof(struct mt76x02_rxwi));
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if (mt76x02_mac_process_rx(dev, skb, rxwi)) {
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dev_kfree_skb(skb);
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return;
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}
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mt76_rx(mdev, q, skb);
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}
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EXPORT_SYMBOL_GPL(mt76x02_queue_rx_skb);
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s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
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const struct ieee80211_tx_rate *rate)
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{
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s8 max_txpwr;
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if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
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u8 mcs = ieee80211_rate_get_vht_mcs(rate);
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if (mcs == 8 || mcs == 9) {
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max_txpwr = dev->mt76.rate_power.vht[8];
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} else {
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u8 nss, idx;
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nss = ieee80211_rate_get_vht_nss(rate);
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idx = ((nss - 1) << 3) + mcs;
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max_txpwr = dev->mt76.rate_power.ht[idx & 0xf];
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}
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} else if (rate->flags & IEEE80211_TX_RC_MCS) {
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max_txpwr = dev->mt76.rate_power.ht[rate->idx & 0xf];
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} else {
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enum nl80211_band band = dev->mt76.chandef.chan->band;
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if (band == NL80211_BAND_2GHZ) {
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const struct ieee80211_rate *r;
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struct wiphy *wiphy = dev->mt76.hw->wiphy;
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struct mt76_rate_power *rp = &dev->mt76.rate_power;
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r = &wiphy->bands[band]->bitrates[rate->idx];
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if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE)
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max_txpwr = rp->cck[r->hw_value & 0x3];
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else
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max_txpwr = rp->ofdm[r->hw_value & 0x7];
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} else {
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max_txpwr = dev->mt76.rate_power.ofdm[rate->idx & 0x7];
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}
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}
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return max_txpwr;
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}
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s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, s8 max_txpwr_adj)
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{
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txpwr = min_t(s8, txpwr, dev->mt76.txpower_conf);
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txpwr -= (dev->target_power + dev->target_power_delta[0]);
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txpwr = min_t(s8, txpwr, max_txpwr_adj);
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if (!dev->enable_tpc)
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return 0;
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else if (txpwr >= 0)
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return min_t(s8, txpwr, 7);
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else
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return (txpwr < -16) ? 8 : (txpwr + 32) / 2;
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}
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void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr)
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{
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s8 txpwr_adj;
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txpwr_adj = mt76x02_tx_get_txpwr_adj(dev, txpwr,
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dev->mt76.rate_power.ofdm[4]);
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mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
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MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);
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mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
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MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj);
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}
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EXPORT_SYMBOL_GPL(mt76x02_tx_set_txpwr_auto);
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bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update)
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{
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struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
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struct mt76x02_tx_status stat;
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if (!mt76x02_mac_load_tx_status(dev, &stat))
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return false;
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mt76x02_send_tx_status(dev, &stat, update);
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return true;
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}
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EXPORT_SYMBOL_GPL(mt76x02_tx_status_data);
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int mt76x02_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 mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
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struct mt76x02_txwi *txwi = txwi_ptr;
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bool ampdu = IEEE80211_SKB_CB(tx_info->skb)->flags & IEEE80211_TX_CTL_AMPDU;
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int hdrlen, len, pid, qsel = MT_QSEL_EDCA;
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if (qid == MT_TXQ_PSD && wcid && wcid->idx < 128)
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mt76x02_mac_wcid_set_drop(dev, wcid->idx, false);
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hdrlen = ieee80211_hdrlen(hdr->frame_control);
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len = tx_info->skb->len - (hdrlen & 2);
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mt76x02_mac_write_txwi(dev, txwi, tx_info->skb, wcid, sta, len);
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pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
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/* encode packet rate for no-skb packet id to fix up status reporting */
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if (pid == MT_PACKET_ID_NO_SKB)
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pid = MT_PACKET_ID_HAS_RATE |
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(le16_to_cpu(txwi->rate) & MT_RXWI_RATE_INDEX);
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txwi->pktid = pid;
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if (mt76_is_skb_pktid(pid) && ampdu)
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qsel = MT_QSEL_MGMT;
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tx_info->info = FIELD_PREP(MT_TXD_INFO_QSEL, qsel) |
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MT_TXD_INFO_80211;
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if (!wcid || wcid->hw_key_idx == 0xff || wcid->sw_iv)
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tx_info->info |= MT_TXD_INFO_WIV;
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return 0;
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}
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EXPORT_SYMBOL_GPL(mt76x02_tx_prepare_skb);
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