mirror of
https://github.com/outbackdingo/mt76.git
synced 2026-10-24 13:26:48 +00:00
Ryder LeeandFelix Fietkau
b96af50395
Enable HE rate reporting in Rx path Signed-off-by: Ryder Lee <[email protected]> Signed-off-by: Shayne Chen <[email protected]> Signed-off-by: Felix Fietkau <[email protected]>
398 lines
10 KiB
C
398 lines
10 KiB
C
// SPDX-License-Identifier: ISC
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/* Copyright (C) 2020 MediaTek Inc. */
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#include <linux/etherdevice.h>
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#include "mt7915.h"
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#include "mac.h"
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#include "eeprom.h"
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static void
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mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
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{
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u32 mask, set;
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mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
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MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
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mt76_set(dev, MT_TMAC_CTCR0(band),
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MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
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MT_TMAC_CTCR0_INS_DDLMT_EN);
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mask = MT_MDP_RCFR0_MCU_RX_MGMT |
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MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
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MT_MDP_RCFR0_MCU_RX_CTL_BAR;
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set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
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FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
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FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
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mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
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mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
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MT_MDP_RCFR1_RX_DROPPED_UCAST |
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MT_MDP_RCFR1_RX_DROPPED_MCAST;
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set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
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FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
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FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
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mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
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mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
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mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
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}
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static void mt7915_mac_init(struct mt7915_dev *dev)
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{
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int i;
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mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536);
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mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
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/* enable rx rate report */
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mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN);
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/* disable hardware de-agg */
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mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
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for (i = 0; i < MT7915_WTBL_SIZE; i++)
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mt7915_mac_wtbl_update(dev, i,
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MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
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mt7915_mac_init_band(dev, 0);
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mt7915_mac_init_band(dev, 1);
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mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
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}
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static void
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mt7915_init_txpower_band(struct mt7915_dev *dev,
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struct ieee80211_supported_band *sband)
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{
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int i, n_chains = hweight8(dev->mphy.antenna_mask);
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for (i = 0; i < sband->n_channels; i++) {
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struct ieee80211_channel *chan = &sband->channels[i];
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u32 target_power = 0;
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int j;
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for (j = 0; j < n_chains; j++) {
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u32 val;
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val = mt7915_eeprom_get_target_power(dev, chan, j);
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target_power = max(target_power, val);
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}
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chan->max_power = min_t(int, chan->max_reg_power,
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target_power / 2);
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chan->orig_mpwr = target_power / 2;
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}
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}
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static void mt7915_init_txpower(struct mt7915_dev *dev)
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{
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mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
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mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
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}
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static void mt7915_init_work(struct work_struct *work)
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{
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struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
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init_work);
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mt7915_mcu_set_eeprom(dev);
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mt7915_mac_init(dev);
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mt7915_init_txpower(dev);
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}
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static int mt7915_init_hardware(struct mt7915_dev *dev)
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{
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int ret, idx;
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mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
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INIT_WORK(&dev->init_work, mt7915_init_work);
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spin_lock_init(&dev->token_lock);
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idr_init(&dev->token);
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ret = mt7915_dma_init(dev);
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if (ret)
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return ret;
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set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
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ret = mt7915_mcu_init(dev);
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if (ret)
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return ret;
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ret = mt7915_eeprom_init(dev);
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if (ret < 0)
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return ret;
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/* Beacon and mgmt frames should occupy wcid 0 */
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idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
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if (idx)
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return -ENOSPC;
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dev->mt76.global_wcid.idx = idx;
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dev->mt76.global_wcid.hw_key_idx = -1;
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dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
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rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
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return 0;
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}
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#define CCK_RATE(_idx, _rate) { \
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.bitrate = _rate, \
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.flags = IEEE80211_RATE_SHORT_PREAMBLE, \
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.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
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.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
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}
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#define OFDM_RATE(_idx, _rate) { \
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.bitrate = _rate, \
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.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
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.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
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}
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static struct ieee80211_rate mt7915_rates[] = {
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CCK_RATE(0, 10),
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CCK_RATE(1, 20),
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CCK_RATE(2, 55),
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CCK_RATE(3, 110),
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OFDM_RATE(11, 60),
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OFDM_RATE(15, 90),
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OFDM_RATE(10, 120),
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OFDM_RATE(14, 180),
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OFDM_RATE(9, 240),
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OFDM_RATE(13, 360),
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OFDM_RATE(8, 480),
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OFDM_RATE(12, 540),
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};
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static const struct ieee80211_iface_limit if_limits[] = {
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{
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.max = 1,
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.types = BIT(NL80211_IFTYPE_ADHOC)
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}, {
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.max = MT7915_MAX_INTERFACES,
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.types = BIT(NL80211_IFTYPE_AP) |
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#ifdef CONFIG_MAC80211_MESH
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BIT(NL80211_IFTYPE_MESH_POINT) |
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#endif
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BIT(NL80211_IFTYPE_STATION)
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}
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};
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static const struct ieee80211_iface_combination if_comb[] = {
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{
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.limits = if_limits,
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.n_limits = ARRAY_SIZE(if_limits),
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.max_interfaces = 4,
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.num_different_channels = 1,
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.beacon_int_infra_match = true,
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.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
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BIT(NL80211_CHAN_WIDTH_20) |
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BIT(NL80211_CHAN_WIDTH_40) |
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BIT(NL80211_CHAN_WIDTH_80) |
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BIT(NL80211_CHAN_WIDTH_160) |
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BIT(NL80211_CHAN_WIDTH_80P80),
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}
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};
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static void
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mt7915_regd_notifier(struct wiphy *wiphy,
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struct regulatory_request *request)
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{
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struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
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struct mt7915_dev *dev = mt7915_hw_dev(hw);
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struct mt76_phy *mphy = hw->priv;
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struct mt7915_phy *phy = mphy->priv;
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struct cfg80211_chan_def *chandef = &mphy->chandef;
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dev->mt76.region = request->dfs_region;
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if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
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return;
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mt7915_dfs_init_radar_detector(phy);
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}
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static void
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mt7915_init_wiphy(struct ieee80211_hw *hw)
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{
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struct mt7915_phy *phy = mt7915_hw_phy(hw);
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struct wiphy *wiphy = hw->wiphy;
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hw->queues = 4;
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hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
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hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
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phy->slottime = 9;
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hw->sta_data_size = sizeof(struct mt7915_sta);
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hw->vif_data_size = sizeof(struct mt7915_vif);
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wiphy->iface_combinations = if_comb;
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wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
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wiphy->reg_notifier = mt7915_regd_notifier;
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wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
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ieee80211_hw_set(hw, HAS_RATE_CONTROL);
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hw->max_tx_fragments = 4;
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}
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static void
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mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
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{
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dev->mphy.sband_5g.sband.vht_cap.cap &=
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~(IEEE80211_VHT_CAP_SHORT_GI_160 |
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IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
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if (dev->chainmask == 0xf)
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dev->mphy.antenna_mask = dev->chainmask >> 2;
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else
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dev->mphy.antenna_mask = dev->chainmask >> 1;
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dev->phy.chainmask = dev->mphy.antenna_mask;
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dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
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dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
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mt76_set_stream_caps(&dev->mt76, true);
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}
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static void
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mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
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{
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dev->mphy.sband_5g.sband.vht_cap.cap |=
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IEEE80211_VHT_CAP_SHORT_GI_160 |
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IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
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dev->mphy.antenna_mask = dev->chainmask;
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dev->phy.chainmask = dev->chainmask;
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dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
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dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
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mt76_set_stream_caps(&dev->mt76, true);
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}
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int mt7915_register_ext_phy(struct mt7915_dev *dev)
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{
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struct mt7915_phy *phy = mt7915_ext_phy(dev);
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struct mt76_phy *mphy;
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int ret;
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bool bound;
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/* TODO: enble DBDC */
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bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
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if (!bound)
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return -EINVAL;
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if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
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return -EINVAL;
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if (phy)
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return 0;
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mt7915_cap_dbdc_enable(dev);
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mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
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if (!mphy)
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return -ENOMEM;
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phy = mphy->priv;
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phy->dev = dev;
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phy->mt76 = mphy;
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phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
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mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
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mt7915_init_wiphy(mphy->hw);
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/*
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* Make the secondary PHY MAC address local without overlapping with
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* the usual MAC address allocation scheme on multiple virtual interfaces
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*/
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mphy->hw->wiphy->perm_addr[0] |= 2;
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mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
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/* The second interface does not get any packets unless it has a vif */
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ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
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ret = mt76_register_phy(mphy);
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if (ret)
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ieee80211_free_hw(mphy->hw);
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return ret;
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}
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void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
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{
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struct mt7915_phy *phy = mt7915_ext_phy(dev);
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struct mt76_phy *mphy = dev->mt76.phy2;
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if (!phy)
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return;
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mt7915_cap_dbdc_disable(dev);
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mt76_unregister_phy(mphy);
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ieee80211_free_hw(mphy->hw);
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}
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int mt7915_register_device(struct mt7915_dev *dev)
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{
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struct ieee80211_hw *hw = mt76_hw(dev);
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int ret;
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dev->phy.dev = dev;
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dev->phy.mt76 = &dev->mt76.phy;
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dev->mt76.phy.priv = &dev->phy;
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INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7915_mac_work);
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INIT_LIST_HEAD(&dev->sta_poll_list);
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spin_lock_init(&dev->sta_poll_lock);
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init_waitqueue_head(&dev->reset_wait);
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INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
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ret = mt7915_init_hardware(dev);
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if (ret)
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return ret;
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mt7915_init_wiphy(hw);
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dev->mphy.sband_2g.sband.ht_cap.cap |=
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IEEE80211_HT_CAP_LDPC_CODING |
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IEEE80211_HT_CAP_MAX_AMSDU;
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dev->mphy.sband_5g.sband.ht_cap.cap |=
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IEEE80211_HT_CAP_LDPC_CODING |
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IEEE80211_HT_CAP_MAX_AMSDU;
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dev->mphy.sband_5g.sband.vht_cap.cap |=
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IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
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IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
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mt7915_cap_dbdc_disable(dev);
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dev->phy.dfs_state = -1;
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ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
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ARRAY_SIZE(mt7915_rates));
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if (ret)
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return ret;
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ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
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return mt7915_init_debugfs(dev);
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}
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void mt7915_unregister_device(struct mt7915_dev *dev)
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{
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struct mt76_txwi_cache *txwi;
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int id;
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mt7915_unregister_ext_phy(dev);
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mt76_unregister_device(&dev->mt76);
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mt7915_mcu_exit(dev);
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mt7915_dma_cleanup(dev);
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spin_lock_bh(&dev->token_lock);
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idr_for_each_entry(&dev->token, txwi, id) {
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mt7915_txp_skb_unmap(&dev->mt76, txwi);
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if (txwi->skb)
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dev_kfree_skb_any(txwi->skb);
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mt76_put_txwi(&dev->mt76, txwi);
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}
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spin_unlock_bh(&dev->token_lock);
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idr_destroy(&dev->token);
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mt76_free_device(&dev->mt76);
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}
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