904 lines
26 KiB
C
904 lines
26 KiB
C
// SPDX-License-Identifier: ISC
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/*
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* Copyright (C) 2022 MediaTek Inc.
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*/
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#include <linux/etherdevice.h>
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#include <linux/thermal.h>
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#include "mt7996.h"
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#include "mac.h"
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#include "mcu.h"
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#include "eeprom.h"
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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 = 16,
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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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}, {
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.max = MT7996_MAX_INTERFACES,
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.types = 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 = MT7996_MAX_INTERFACES,
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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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}
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};
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static void mt7996_led_set_config(struct led_classdev *led_cdev,
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u8 delay_on, u8 delay_off)
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{
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struct mt7996_dev *dev;
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struct mt76_phy *mphy;
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u32 val;
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mphy = container_of(led_cdev, struct mt76_phy, leds.cdev);
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dev = container_of(mphy->dev, struct mt7996_dev, mt76);
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/* select TX blink mode, 2: only data frames */
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mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2);
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/* enable LED */
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mt76_wr(dev, MT_LED_EN(0), 1);
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/* set LED Tx blink on/off time */
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val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) |
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FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off);
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mt76_wr(dev, MT_LED_TX_BLINK(0), val);
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/* control LED */
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val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK;
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if (mphy->leds.al)
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val |= MT_LED_CTRL_POLARITY;
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mt76_wr(dev, MT_LED_CTRL(0), val);
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mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK);
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}
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static int mt7996_led_set_blink(struct led_classdev *led_cdev,
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unsigned long *delay_on,
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unsigned long *delay_off)
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{
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u16 delta_on = 0, delta_off = 0;
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#define HW_TICK 10
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#define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK)
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if (*delay_on)
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delta_on = TO_HW_TICK(*delay_on);
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if (*delay_off)
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delta_off = TO_HW_TICK(*delay_off);
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mt7996_led_set_config(led_cdev, delta_on, delta_off);
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return 0;
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}
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static void mt7996_led_set_brightness(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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if (!brightness)
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mt7996_led_set_config(led_cdev, 0, 0xff);
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else
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mt7996_led_set_config(led_cdev, 0xff, 0);
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}
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static void
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mt7996_init_txpower(struct mt7996_dev *dev,
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struct ieee80211_supported_band *sband)
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{
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int i, nss = hweight8(dev->mphy.antenna_mask);
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int nss_delta = mt76_tx_power_nss_delta(nss);
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int pwr_delta = mt7996_eeprom_get_power_delta(dev, sband->band);
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struct mt76_power_limits limits;
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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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int target_power = mt7996_eeprom_get_target_power(dev, chan);
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target_power += pwr_delta;
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target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
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&limits,
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target_power);
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target_power += nss_delta;
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target_power = DIV_ROUND_UP(target_power, 2);
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chan->max_power = min_t(int, chan->max_reg_power,
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target_power);
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chan->orig_mpwr = target_power;
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}
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}
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static void
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mt7996_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 mt7996_dev *dev = mt7996_hw_dev(hw);
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struct mt7996_phy *phy = mt7996_hw_phy(hw);
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memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
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dev->mt76.region = request->dfs_region;
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if (dev->mt76.region == NL80211_DFS_UNSET)
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mt7996_mcu_rdd_background_enable(phy, NULL);
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mt7996_init_txpower(dev, &phy->mt76->sband_2g.sband);
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mt7996_init_txpower(dev, &phy->mt76->sband_5g.sband);
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mt7996_init_txpower(dev, &phy->mt76->sband_6g.sband);
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phy->mt76->dfs_state = MT_DFS_STATE_UNKNOWN;
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mt7996_dfs_init_radar_detector(phy);
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}
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static void
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mt7996_init_wiphy(struct ieee80211_hw *hw)
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{
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struct mt7996_phy *phy = mt7996_hw_phy(hw);
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struct mt76_dev *mdev = &phy->dev->mt76;
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struct wiphy *wiphy = hw->wiphy;
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u16 max_subframes = phy->dev->has_eht ? IEEE80211_MAX_AMPDU_BUF_EHT :
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IEEE80211_MAX_AMPDU_BUF_HE;
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hw->queues = 4;
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hw->max_rx_aggregation_subframes = max_subframes;
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hw->max_tx_aggregation_subframes = max_subframes;
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hw->netdev_features = NETIF_F_RXCSUM;
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hw->radiotap_timestamp.units_pos =
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IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
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phy->slottime = 9;
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hw->sta_data_size = sizeof(struct mt7996_sta);
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hw->vif_data_size = sizeof(struct mt7996_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 = mt7996_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_BSS_COLOR);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY);
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wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
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if (!mdev->dev->of_node ||
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!of_property_read_bool(mdev->dev->of_node,
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"mediatek,disable-radar-background"))
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wiphy_ext_feature_set(wiphy,
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NL80211_EXT_FEATURE_RADAR_BACKGROUND);
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ieee80211_hw_set(hw, HAS_RATE_CONTROL);
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ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
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ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
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ieee80211_hw_set(hw, WANT_MONITOR_VIF);
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hw->max_tx_fragments = 4;
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if (phy->mt76->cap.has_2ghz)
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phy->mt76->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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if (phy->mt76->cap.has_5ghz) {
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phy->mt76->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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phy->mt76->sband_5g.sband.vht_cap.cap |=
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IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
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IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
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IEEE80211_VHT_CAP_SHORT_GI_160 |
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IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
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}
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mt76_set_stream_caps(phy->mt76, true);
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mt7996_set_stream_vht_txbf_caps(phy);
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mt7996_set_stream_he_eht_caps(phy);
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wiphy->available_antennas_rx = phy->mt76->antenna_mask;
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wiphy->available_antennas_tx = phy->mt76->antenna_mask;
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}
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static void
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mt7996_mac_init_band(struct mt7996_dev *dev, u8 band)
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{
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u32 mask, set;
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/* clear estimated value of EIFS for Rx duration & OBSS time */
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mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR);
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/* clear backoff time for Rx duration */
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mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME1(band),
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MT_WF_RMAC_MIB_NONQOSD_BACKOFF);
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mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME3(band),
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MT_WF_RMAC_MIB_QOS01_BACKOFF);
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mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME4(band),
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MT_WF_RMAC_MIB_QOS23_BACKOFF);
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/* clear backoff time and set software compensation for OBSS time */
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mask = MT_WF_RMAC_MIB_OBSS_BACKOFF | MT_WF_RMAC_MIB_ED_OFFSET;
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set = FIELD_PREP(MT_WF_RMAC_MIB_OBSS_BACKOFF, 0) |
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FIELD_PREP(MT_WF_RMAC_MIB_ED_OFFSET, 4);
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mt76_rmw(dev, MT_WF_RMAC_MIB_AIRTIME0(band), mask, set);
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/* filter out non-resp frames and get instanstaeous signal reporting */
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mask = MT_WTBLOFF_RSCR_RCPI_MODE | MT_WTBLOFF_RSCR_RCPI_PARAM;
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set = FIELD_PREP(MT_WTBLOFF_RSCR_RCPI_MODE, 0) |
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FIELD_PREP(MT_WTBLOFF_RSCR_RCPI_PARAM, 0x3);
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mt76_rmw(dev, MT_WTBLOFF_RSCR(band), mask, set);
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}
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static void mt7996_mac_init(struct mt7996_dev *dev)
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{
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#define HIF_TXD_V2_1 4
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int i;
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mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT);
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for (i = 0; i < mt7996_wtbl_size(dev); i++)
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mt7996_mac_wtbl_update(dev, i,
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MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
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if (IS_ENABLED(CONFIG_MT76_LEDS)) {
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i = dev->mphy.leds.pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2;
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mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4);
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}
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/* txs report queue */
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mt76_rmw_field(dev, MT_DMA_TCRF1(0), MT_DMA_TCRF1_QIDX, 0);
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mt76_rmw_field(dev, MT_DMA_TCRF1(1), MT_DMA_TCRF1_QIDX, 6);
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mt76_rmw_field(dev, MT_DMA_TCRF1(2), MT_DMA_TCRF1_QIDX, 0);
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/* rro module init */
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mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, 2);
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mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, 3);
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mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, 1);
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mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
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MCU_WA_PARAM_HW_PATH_HIF_VER,
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HIF_TXD_V2_1, 0);
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for (i = MT_BAND0; i <= MT_BAND2; i++)
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mt7996_mac_init_band(dev, i);
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}
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static int mt7996_txbf_init(struct mt7996_dev *dev)
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{
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int ret;
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if (dev->dbdc_support) {
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ret = mt7996_mcu_set_txbf(dev, BF_MOD_EN_CTRL);
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if (ret)
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return ret;
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}
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/* trigger sounding packets */
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ret = mt7996_mcu_set_txbf(dev, BF_SOUNDING_ON);
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if (ret)
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return ret;
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/* enable eBF */
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return mt7996_mcu_set_txbf(dev, BF_HW_EN_UPDATE);
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}
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static int mt7996_register_phy(struct mt7996_dev *dev, struct mt7996_phy *phy,
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enum mt76_band_id band)
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{
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struct mt76_phy *mphy;
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u32 mac_ofs, hif1_ofs = 0;
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int ret;
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if (band != MT_BAND1 && band != MT_BAND2)
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return 0;
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if ((band == MT_BAND1 && !dev->dbdc_support) ||
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(band == MT_BAND2 && !dev->tbtc_support))
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return 0;
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if (phy)
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return 0;
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if (band == MT_BAND2 && dev->hif2)
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hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
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mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7996_ops, band);
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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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mphy->dev->phys[band] = mphy;
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INIT_DELAYED_WORK(&mphy->mac_work, mt7996_mac_work);
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ret = mt7996_eeprom_parse_hw_cap(dev, phy);
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if (ret)
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goto error;
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mac_ofs = band == MT_BAND2 ? MT_EE_MAC_ADDR3 : MT_EE_MAC_ADDR2;
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memcpy(mphy->macaddr, dev->mt76.eeprom.data + mac_ofs, ETH_ALEN);
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/* Make the extra 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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if (!is_valid_ether_addr(mphy->macaddr)) {
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memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
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ETH_ALEN);
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mphy->macaddr[0] |= 2;
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mphy->macaddr[0] ^= BIT(7);
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if (band == MT_BAND2)
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mphy->macaddr[0] ^= BIT(6);
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}
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mt76_eeprom_override(mphy);
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/* init wiphy according to mphy and phy */
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mt7996_init_wiphy(mphy->hw);
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ret = mt76_connac_init_tx_queues(phy->mt76,
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MT_TXQ_ID(band),
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MT7996_TX_RING_SIZE,
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MT_TXQ_RING_BASE(band) + hif1_ofs, 0);
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if (ret)
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goto error;
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ret = mt76_register_phy(mphy, true, mt76_rates,
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ARRAY_SIZE(mt76_rates));
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if (ret)
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goto error;
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ret = mt7996_init_debugfs(phy);
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if (ret)
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goto error;
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return 0;
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error:
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mphy->dev->phys[band] = NULL;
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ieee80211_free_hw(mphy->hw);
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return ret;
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}
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static void
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mt7996_unregister_phy(struct mt7996_phy *phy, enum mt76_band_id band)
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{
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struct mt76_phy *mphy;
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if (!phy)
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return;
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mphy = phy->dev->mt76.phys[band];
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mt76_unregister_phy(mphy);
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ieee80211_free_hw(mphy->hw);
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phy->dev->mt76.phys[band] = NULL;
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}
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static void mt7996_init_work(struct work_struct *work)
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{
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struct mt7996_dev *dev = container_of(work, struct mt7996_dev,
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init_work);
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mt7996_mcu_set_eeprom(dev);
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mt7996_mac_init(dev);
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mt7996_init_txpower(dev, &dev->mphy.sband_2g.sband);
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mt7996_init_txpower(dev, &dev->mphy.sband_5g.sband);
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mt7996_init_txpower(dev, &dev->mphy.sband_6g.sband);
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mt7996_txbf_init(dev);
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}
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void mt7996_wfsys_reset(struct mt7996_dev *dev)
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{
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mt76_set(dev, MT_WF_SUBSYS_RST, 0x1);
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msleep(20);
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mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1);
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msleep(20);
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}
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static int mt7996_init_hardware(struct mt7996_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, mt7996_init_work);
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dev->dbdc_support = true;
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dev->tbtc_support = true;
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ret = mt7996_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 = mt7996_mcu_init(dev);
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if (ret)
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return ret;
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ret = mt7996_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 */
|
|
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
|
|
if (idx)
|
|
return -ENOSPC;
|
|
|
|
dev->mt76.global_wcid.idx = idx;
|
|
dev->mt76.global_wcid.hw_key_idx = -1;
|
|
dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
|
|
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mt7996_set_stream_vht_txbf_caps(struct mt7996_phy *phy)
|
|
{
|
|
int sts;
|
|
u32 *cap;
|
|
|
|
if (!phy->mt76->cap.has_5ghz)
|
|
return;
|
|
|
|
sts = hweight16(phy->mt76->chainmask);
|
|
cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
|
|
|
|
*cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
|
|
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
|
|
FIELD_PREP(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK, sts - 1);
|
|
|
|
*cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
|
|
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
|
|
IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
|
|
|
|
if (sts < 2)
|
|
return;
|
|
|
|
*cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
|
|
IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
|
|
FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, sts - 1);
|
|
}
|
|
|
|
static void
|
|
mt7996_set_stream_he_txbf_caps(struct mt7996_phy *phy,
|
|
struct ieee80211_sta_he_cap *he_cap, int vif)
|
|
{
|
|
struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
|
|
int sts = hweight16(phy->mt76->chainmask);
|
|
u8 c;
|
|
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
if (vif == NL80211_IFTYPE_MESH_POINT)
|
|
return;
|
|
#endif
|
|
|
|
elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
|
|
elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
|
|
|
|
c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
|
|
IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
|
|
elem->phy_cap_info[5] &= ~c;
|
|
|
|
c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
|
|
IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
|
|
elem->phy_cap_info[6] &= ~c;
|
|
|
|
elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
|
|
|
|
c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
|
|
IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
|
|
IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
|
|
elem->phy_cap_info[2] |= c;
|
|
|
|
c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
|
|
IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
|
|
IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
|
|
elem->phy_cap_info[4] |= c;
|
|
|
|
/* do not support NG16 due to spec D4.0 changes subcarrier idx */
|
|
c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
|
|
IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
|
|
|
|
if (vif == NL80211_IFTYPE_STATION)
|
|
c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
|
|
|
|
elem->phy_cap_info[6] |= c;
|
|
|
|
if (sts < 2)
|
|
return;
|
|
|
|
/* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
|
|
elem->phy_cap_info[7] |= min_t(int, sts - 1, 2) << 3;
|
|
|
|
if (vif != NL80211_IFTYPE_AP)
|
|
return;
|
|
|
|
elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
|
|
elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
|
|
|
|
c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
|
|
sts - 1) |
|
|
FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
|
|
sts - 1);
|
|
elem->phy_cap_info[5] |= c;
|
|
|
|
c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
|
|
IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
|
|
elem->phy_cap_info[6] |= c;
|
|
|
|
c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
|
|
IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
|
|
elem->phy_cap_info[7] |= c;
|
|
}
|
|
|
|
static void
|
|
mt7996_gen_ppe_thresh(u8 *he_ppet, int nss)
|
|
{
|
|
u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
|
|
static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
|
|
|
|
he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
|
|
FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
|
|
ru_bit_mask);
|
|
|
|
ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
|
|
nss * hweight8(ru_bit_mask) * 2;
|
|
ppet_size = DIV_ROUND_UP(ppet_bits, 8);
|
|
|
|
for (i = 0; i < ppet_size - 1; i++)
|
|
he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
|
|
|
|
he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
|
|
(0xff >> (8 - (ppet_bits - 1) % 8));
|
|
}
|
|
|
|
static void
|
|
mt7996_init_he_caps(struct mt7996_phy *phy, enum nl80211_band band,
|
|
struct ieee80211_sband_iftype_data *data,
|
|
enum nl80211_iftype iftype)
|
|
{
|
|
struct ieee80211_sta_he_cap *he_cap = &data->he_cap;
|
|
struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem;
|
|
struct ieee80211_he_mcs_nss_supp *he_mcs = &he_cap->he_mcs_nss_supp;
|
|
int i, nss = hweight8(phy->mt76->antenna_mask);
|
|
u16 mcs_map = 0;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (i < nss)
|
|
mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
|
|
else
|
|
mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
|
|
}
|
|
|
|
he_cap->has_he = true;
|
|
|
|
he_cap_elem->mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE;
|
|
he_cap_elem->mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
|
|
IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
|
|
he_cap_elem->mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
|
|
|
|
if (band == NL80211_BAND_2GHZ)
|
|
he_cap_elem->phy_cap_info[0] =
|
|
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
|
|
else
|
|
he_cap_elem->phy_cap_info[0] =
|
|
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
|
|
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
|
|
|
|
he_cap_elem->phy_cap_info[1] = IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
|
|
he_cap_elem->phy_cap_info[2] = IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
|
|
IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
|
|
|
|
switch (iftype) {
|
|
case NL80211_IFTYPE_AP:
|
|
he_cap_elem->mac_cap_info[0] |= IEEE80211_HE_MAC_CAP0_TWT_RES;
|
|
he_cap_elem->mac_cap_info[2] |= IEEE80211_HE_MAC_CAP2_BSR;
|
|
he_cap_elem->mac_cap_info[4] |= IEEE80211_HE_MAC_CAP4_BQR;
|
|
he_cap_elem->mac_cap_info[5] |=
|
|
IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
|
|
he_cap_elem->phy_cap_info[3] |=
|
|
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
|
|
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
|
|
he_cap_elem->phy_cap_info[6] |=
|
|
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
|
|
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
|
|
he_cap_elem->phy_cap_info[9] |=
|
|
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
|
|
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
|
|
break;
|
|
case NL80211_IFTYPE_STATION:
|
|
he_cap_elem->mac_cap_info[1] |=
|
|
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
|
|
|
|
if (band == NL80211_BAND_2GHZ)
|
|
he_cap_elem->phy_cap_info[0] |=
|
|
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
|
|
else
|
|
he_cap_elem->phy_cap_info[0] |=
|
|
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
|
|
|
|
he_cap_elem->phy_cap_info[1] |=
|
|
IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
|
|
IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
|
|
he_cap_elem->phy_cap_info[3] |=
|
|
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
|
|
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
|
|
he_cap_elem->phy_cap_info[6] |=
|
|
IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
|
|
IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
|
|
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
|
|
he_cap_elem->phy_cap_info[7] |=
|
|
IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
|
|
IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
|
|
he_cap_elem->phy_cap_info[8] |=
|
|
IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
|
|
IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
|
|
IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
|
|
IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
|
|
he_cap_elem->phy_cap_info[9] |=
|
|
IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
|
|
IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
|
|
IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
|
|
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
|
|
IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
|
|
IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
|
|
he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
|
|
he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
|
|
he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
|
|
|
|
mt7996_set_stream_he_txbf_caps(phy, he_cap, iftype);
|
|
|
|
memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
|
|
if (he_cap_elem->phy_cap_info[6] &
|
|
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
|
|
mt7996_gen_ppe_thresh(he_cap->ppe_thres, nss);
|
|
} else {
|
|
he_cap_elem->phy_cap_info[9] |=
|
|
u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
|
|
IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
|
|
}
|
|
|
|
if (band == NL80211_BAND_6GHZ) {
|
|
u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
|
|
IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
|
|
|
|
cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2,
|
|
IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
|
|
u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
|
|
IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
|
|
u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
|
|
IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
|
|
|
|
data->he_6ghz_capa.capa = cpu_to_le16(cap);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
|
|
struct ieee80211_sband_iftype_data *data,
|
|
enum nl80211_iftype iftype)
|
|
{
|
|
struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap;
|
|
struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;
|
|
struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp;
|
|
enum nl80211_chan_width width = phy->mt76->chandef.width;
|
|
int nss = hweight8(phy->mt76->antenna_mask);
|
|
int sts = hweight16(phy->mt76->chainmask);
|
|
u8 val;
|
|
|
|
if (!phy->dev->has_eht)
|
|
return;
|
|
|
|
eht_cap->has_eht = true;
|
|
|
|
eht_cap_elem->mac_cap_info[0] =
|
|
IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
|
|
IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
|
|
|
|
eht_cap_elem->phy_cap_info[0] =
|
|
IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ |
|
|
IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
|
|
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
|
|
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
|
|
|
|
eht_cap_elem->phy_cap_info[0] |=
|
|
u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
|
|
IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
|
|
|
|
eht_cap_elem->phy_cap_info[1] =
|
|
u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
|
|
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
|
|
u8_encode_bits(sts - 1,
|
|
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK) |
|
|
u8_encode_bits(sts - 1,
|
|
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK);
|
|
|
|
eht_cap_elem->phy_cap_info[2] =
|
|
u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |
|
|
u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK) |
|
|
u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK);
|
|
|
|
eht_cap_elem->phy_cap_info[3] =
|
|
IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
|
|
IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
|
|
IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
|
|
IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
|
|
IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
|
|
IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
|
|
IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;
|
|
|
|
eht_cap_elem->phy_cap_info[4] =
|
|
u8_encode_bits(min_t(int, sts - 1, 2),
|
|
IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);
|
|
|
|
eht_cap_elem->phy_cap_info[5] =
|
|
IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
|
|
u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,
|
|
IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |
|
|
u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),
|
|
IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK);
|
|
|
|
val = width == NL80211_CHAN_WIDTH_320 ? 0xf :
|
|
width == NL80211_CHAN_WIDTH_160 ? 0x7 :
|
|
width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1;
|
|
eht_cap_elem->phy_cap_info[6] =
|
|
u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)),
|
|
IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |
|
|
u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);
|
|
|
|
eht_cap_elem->phy_cap_info[7] =
|
|
IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
|
|
IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
|
|
IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ |
|
|
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
|
|
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
|
|
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ;
|
|
|
|
val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |
|
|
u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);
|
|
#define SET_EHT_MAX_NSS(_bw, _val) do { \
|
|
eht_nss->bw._##_bw.rx_tx_mcs9_max_nss = _val; \
|
|
eht_nss->bw._##_bw.rx_tx_mcs11_max_nss = _val; \
|
|
eht_nss->bw._##_bw.rx_tx_mcs13_max_nss = _val; \
|
|
} while (0)
|
|
|
|
SET_EHT_MAX_NSS(80, val);
|
|
SET_EHT_MAX_NSS(160, val);
|
|
SET_EHT_MAX_NSS(320, val);
|
|
#undef SET_EHT_MAX_NSS
|
|
}
|
|
|
|
static void
|
|
__mt7996_set_stream_he_eht_caps(struct mt7996_phy *phy,
|
|
struct ieee80211_supported_band *sband,
|
|
enum nl80211_band band)
|
|
{
|
|
struct ieee80211_sband_iftype_data *data = phy->iftype[band];
|
|
int i, n = 0;
|
|
|
|
for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
|
|
switch (i) {
|
|
case NL80211_IFTYPE_STATION:
|
|
case NL80211_IFTYPE_AP:
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
#endif
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
data[n].types_mask = BIT(i);
|
|
mt7996_init_he_caps(phy, band, &data[n], i);
|
|
mt7996_init_eht_caps(phy, band, &data[n], i);
|
|
|
|
n++;
|
|
}
|
|
|
|
sband->iftype_data = data;
|
|
sband->n_iftype_data = n;
|
|
}
|
|
|
|
void mt7996_set_stream_he_eht_caps(struct mt7996_phy *phy)
|
|
{
|
|
if (phy->mt76->cap.has_2ghz)
|
|
__mt7996_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,
|
|
NL80211_BAND_2GHZ);
|
|
|
|
if (phy->mt76->cap.has_5ghz)
|
|
__mt7996_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,
|
|
NL80211_BAND_5GHZ);
|
|
|
|
if (phy->mt76->cap.has_6ghz)
|
|
__mt7996_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,
|
|
NL80211_BAND_6GHZ);
|
|
}
|
|
|
|
int mt7996_register_device(struct mt7996_dev *dev)
|
|
{
|
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
|
int ret;
|
|
|
|
dev->phy.dev = dev;
|
|
dev->phy.mt76 = &dev->mt76.phy;
|
|
dev->mt76.phy.priv = &dev->phy;
|
|
INIT_WORK(&dev->rc_work, mt7996_mac_sta_rc_work);
|
|
INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7996_mac_work);
|
|
INIT_LIST_HEAD(&dev->sta_rc_list);
|
|
INIT_LIST_HEAD(&dev->sta_poll_list);
|
|
INIT_LIST_HEAD(&dev->twt_list);
|
|
spin_lock_init(&dev->sta_poll_lock);
|
|
|
|
init_waitqueue_head(&dev->reset_wait);
|
|
INIT_WORK(&dev->reset_work, mt7996_mac_reset_work);
|
|
|
|
ret = mt7996_init_hardware(dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
mt7996_init_wiphy(hw);
|
|
|
|
/* init led callbacks */
|
|
if (IS_ENABLED(CONFIG_MT76_LEDS)) {
|
|
dev->mphy.leds.cdev.brightness_set = mt7996_led_set_brightness;
|
|
dev->mphy.leds.cdev.blink_set = mt7996_led_set_blink;
|
|
}
|
|
|
|
ret = mt76_register_device(&dev->mt76, true, mt76_rates,
|
|
ARRAY_SIZE(mt76_rates));
|
|
if (ret)
|
|
return ret;
|
|
|
|
ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
|
|
|
|
ret = mt7996_register_phy(dev, mt7996_phy2(dev), MT_BAND1);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = mt7996_register_phy(dev, mt7996_phy3(dev), MT_BAND2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return mt7996_init_debugfs(&dev->phy);
|
|
}
|
|
|
|
void mt7996_unregister_device(struct mt7996_dev *dev)
|
|
{
|
|
mt7996_unregister_phy(mt7996_phy3(dev), MT_BAND2);
|
|
mt7996_unregister_phy(mt7996_phy2(dev), MT_BAND1);
|
|
mt76_unregister_device(&dev->mt76);
|
|
mt7996_mcu_exit(dev);
|
|
mt7996_tx_token_put(dev);
|
|
mt7996_dma_cleanup(dev);
|
|
tasklet_disable(&dev->irq_tasklet);
|
|
|
|
mt76_free_device(&dev->mt76);
|
|
}
|