(Split the big patch into smaller intermediate patches by functionality
for easier review. Refer to the cover letter for more info.)
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7996/init.c | 816 ++++++
.../net/wireless/mediatek/mt76/mt7996/mac.c | 2468 +++++++++++++++++
.../net/wireless/mediatek/mt76/mt7996/mac.h | 398 +++
3 files changed, 3682 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7996/init.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7996/mac.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7996/mac.h
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
new file mode 100644
index 000000000000..cd1657e3585d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
@@ -0,0 +1,816 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/thermal.h>
+#include "mt7996.h"
+#include "mac.h"
+#include "mcu.h"
+#include "eeprom.h"
+
+static const struct ieee80211_iface_limit if_limits[] = {
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_ADHOC)
+ }, {
+ .max = 16,
+ .types = BIT(NL80211_IFTYPE_AP)
+#ifdef CONFIG_MAC80211_MESH
+ | BIT(NL80211_IFTYPE_MESH_POINT)
+#endif
+ }, {
+ .max = MT7996_MAX_INTERFACES,
+ .types = BIT(NL80211_IFTYPE_STATION)
+ }
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+ {
+ .limits = if_limits,
+ .n_limits = ARRAY_SIZE(if_limits),
+ .max_interfaces = MT7996_MAX_INTERFACES,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_160) |
+ BIT(NL80211_CHAN_WIDTH_80P80),
+ }
+};
+
+static void mt7996_led_set_config(struct led_classdev *led_cdev,
+ u8 delay_on, u8 delay_off)
+{
+ struct mt7996_dev *dev;
+ struct mt76_dev *mt76;
+ u32 val;
+
+ mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
+ dev = container_of(mt76, struct mt7996_dev, mt76);
+
+ /* select TX blink mode, 2: only data frames */
+ mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2);
+
+ /* enable LED */
+ mt76_wr(dev, MT_LED_EN(0), 1);
+
+ /* set LED Tx blink on/off time */
+ val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) |
+ FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off);
+ mt76_wr(dev, MT_LED_TX_BLINK(0), val);
+
+ /* control LED */
+ val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK;
+ if (dev->mt76.led_al)
+ val |= MT_LED_CTRL_POLARITY;
+
+ mt76_wr(dev, MT_LED_CTRL(0), val);
+ mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK);
+}
+
+static int mt7996_led_set_blink(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ u16 delta_on = 0, delta_off = 0;
+
+#define HW_TICK 10
+#define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK)
+
+ if (*delay_on)
+ delta_on = TO_HW_TICK(*delay_on);
+ if (*delay_off)
+ delta_off = TO_HW_TICK(*delay_off);
+
+ mt7996_led_set_config(led_cdev, delta_on, delta_off);
+
+ return 0;
+}
+
+static void mt7996_led_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ if (!brightness)
+ mt7996_led_set_config(led_cdev, 0, 0xff);
+ else
+ mt7996_led_set_config(led_cdev, 0xff, 0);
+}
+
+static void
+mt7996_init_txpower(struct mt7996_dev *dev,
+ struct ieee80211_supported_band *sband)
+{
+ int i, nss = hweight8(dev->mphy.antenna_mask);
+ int nss_delta = mt76_tx_power_nss_delta(nss);
+ int pwr_delta = mt7996_eeprom_get_power_delta(dev, sband->band);
+ struct mt76_power_limits limits;
+
+ for (i = 0; i < sband->n_channels; i++) {
+ struct ieee80211_channel *chan = &sband->channels[i];
+ int target_power = mt7996_eeprom_get_target_power(dev, chan);
+
+ target_power += pwr_delta;
+ target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
+ &limits,
+ target_power);
+ target_power += nss_delta;
+ target_power = DIV_ROUND_UP(target_power, 2);
+ chan->max_power = min_t(int, chan->max_reg_power,
+ target_power);
+ chan->orig_mpwr = target_power;
+ }
+}
+
+static void
+mt7996_regd_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct mt7996_dev *dev = mt7996_hw_dev(hw);
+ struct mt7996_phy *phy = mt7996_hw_phy(hw);
+
+ memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
+ dev->mt76.region = request->dfs_region;
+
+ if (dev->mt76.region == NL80211_DFS_UNSET)
+ mt7996_mcu_rdd_background_enable(phy, NULL);
+
+ mt7996_init_txpower(dev, &phy->mt76->sband_2g.sband);
+ mt7996_init_txpower(dev, &phy->mt76->sband_5g.sband);
+ mt7996_init_txpower(dev, &phy->mt76->sband_6g.sband);
+
+ phy->mt76->dfs_state = MT_DFS_STATE_UNKNOWN;
+ mt7996_dfs_init_radar_detector(phy);
+}
+
+static void
+mt7996_init_wiphy(struct ieee80211_hw *hw)
+{
+ struct mt7996_phy *phy = mt7996_hw_phy(hw);
+ struct mt76_dev *mdev = &phy->dev->mt76;
+ struct wiphy *wiphy = hw->wiphy;
+
+ hw->queues = 4;
+ hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
+ hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
+ hw->netdev_features = NETIF_F_RXCSUM;
+
+ hw->radiotap_timestamp.units_pos =
+ IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
+
+ phy->slottime = 9;
+
+ hw->sta_data_size = sizeof(struct mt7996_sta);
+ hw->vif_data_size = sizeof(struct mt7996_vif);
+
+ wiphy->iface_combinations = if_comb;
+ wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+ wiphy->reg_notifier = mt7996_regd_notifier;
+ wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY);
+
+ if (!mdev->dev->of_node ||
+ !of_property_read_bool(mdev->dev->of_node,
+ "mediatek,disable-radar-background"))
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_RADAR_BACKGROUND);
+
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
+ ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
+ ieee80211_hw_set(hw, WANT_MONITOR_VIF);
+
+ hw->max_tx_fragments = 4;
+
+ if (phy->mt76->cap.has_2ghz)
+ phy->mt76->sband_2g.sband.ht_cap.cap |=
+ IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_MAX_AMSDU;
+
+ if (phy->mt76->cap.has_5ghz) {
+ phy->mt76->sband_5g.sband.ht_cap.cap |=
+ IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_MAX_AMSDU;
+
+ phy->mt76->sband_5g.sband.vht_cap.cap |=
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
+ IEEE80211_VHT_CAP_SHORT_GI_160 |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ }
+
+ mt76_set_stream_caps(phy->mt76, true);
+ mt7996_set_stream_vht_txbf_caps(phy);
+ mt7996_set_stream_he_caps(phy);
+
+ wiphy->available_antennas_rx = phy->mt76->antenna_mask;
+ wiphy->available_antennas_tx = phy->mt76->antenna_mask;
+}
+
+static void
+mt7996_mac_init_band(struct mt7996_dev *dev, u8 band)
+{
+ u32 mask, set;
+
+ /* clear estimated value of EIFS for Rx duration & OBSS time */
+ mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR);
+
+ /* clear backoff time for Rx duration */
+ mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME1(band),
+ MT_WF_RMAC_MIB_NONQOSD_BACKOFF);
+ mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME3(band),
+ MT_WF_RMAC_MIB_QOS01_BACKOFF);
+ mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME4(band),
+ MT_WF_RMAC_MIB_QOS23_BACKOFF);
+
+ /* clear backoff time and set software compensation for OBSS time */
+ mask = MT_WF_RMAC_MIB_OBSS_BACKOFF | MT_WF_RMAC_MIB_ED_OFFSET;
+ set = FIELD_PREP(MT_WF_RMAC_MIB_OBSS_BACKOFF, 0) |
+ FIELD_PREP(MT_WF_RMAC_MIB_ED_OFFSET, 4);
+ mt76_rmw(dev, MT_WF_RMAC_MIB_AIRTIME0(band), mask, set);
+}
+
+static void mt7996_mac_init(struct mt7996_dev *dev)
+{
+#define HIF_TXD_V2_1 4
+ int i;
+
+ mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT);
+
+ for (i = 0; i < MT7996_WTBL_SIZE; i++)
+ mt7996_mac_wtbl_update(dev, i,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ if (IS_ENABLED(CONFIG_MT76_LEDS)) {
+ i = dev->mt76.led_pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2;
+ mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4);
+ }
+
+ /* txs report queue */
+ mt76_rmw_field(dev, MT_DMA_TCRF1(0), MT_DMA_TCRF1_QIDX, 0);
+ mt76_rmw_field(dev, MT_DMA_TCRF1(1), MT_DMA_TCRF1_QIDX, 6);
+ mt76_rmw_field(dev, MT_DMA_TCRF1(2), MT_DMA_TCRF1_QIDX, 0);
+
+ /* rro module init */
+ mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, 2);
+ mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, 3);
+ mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, 1);
+
+ mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
+ MCU_WA_PARAM_HW_PATH_HIF_VER,
+ HIF_TXD_V2_1, 0);
+
+ for (i = MT_BAND0; i <= MT_BAND2; i++)
+ mt7996_mac_init_band(dev, i);
+}
+
+static int mt7996_txbf_init(struct mt7996_dev *dev)
+{
+ int ret;
+
+ if (dev->dbdc_support) {
+ ret = mt7996_mcu_set_txbf(dev, BF_MOD_EN_CTRL);
+ if (ret)
+ return ret;
+ }
+
+ /* trigger sounding packets */
+ ret = mt7996_mcu_set_txbf(dev, BF_SOUNDING_ON);
+ if (ret)
+ return ret;
+
+ /* enable eBF */
+ return mt7996_mcu_set_txbf(dev, BF_HW_EN_UPDATE);
+}
+
+static int mt7996_register_phy(struct mt7996_dev *dev, struct mt7996_phy *phy,
+ enum mt76_band_id band)
+{
+ struct mt76_phy *mphy;
+ u32 mac_ofs, hif1_ofs = 0;
+ int ret;
+
+ if (band != MT_BAND1 && band != MT_BAND2)
+ return 0;
+
+ if ((band == MT_BAND1 && !dev->dbdc_support) ||
+ (band == MT_BAND2 && !dev->tbtc_support))
+ return 0;
+
+ if (phy)
+ return 0;
+
+ if (band == MT_BAND2 && dev->hif2)
+ hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+
+ mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7996_ops, band);
+ if (!mphy)
+ return -ENOMEM;
+
+ phy = mphy->priv;
+ phy->dev = dev;
+ phy->mt76 = mphy;
+ mphy->dev->phys[band] = mphy;
+
+ INIT_DELAYED_WORK(&mphy->mac_work, mt7996_mac_work);
+
+ ret = mt7996_eeprom_parse_hw_cap(dev, phy);
+ if (ret)
+ goto error;
+
+ mac_ofs = band == MT_BAND2 ? MT_EE_MAC_ADDR3 : MT_EE_MAC_ADDR2;
+ memcpy(mphy->macaddr, dev->mt76.eeprom.data + mac_ofs, ETH_ALEN);
+ /* Make the extra PHY MAC address local without overlapping with
+ * the usual MAC address allocation scheme on multiple virtual interfaces
+ */
+ if (!is_valid_ether_addr(mphy->macaddr)) {
+ memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+ ETH_ALEN);
+ mphy->macaddr[0] |= 2;
+ mphy->macaddr[0] ^= BIT(7);
+ if (band == MT_BAND2)
+ mphy->macaddr[0] ^= BIT(6);
+ }
+ mt76_eeprom_override(mphy);
+
+ /* init wiphy according to mphy and phy */
+ mt7996_init_wiphy(mphy->hw);
+ ret = mt76_connac_init_tx_queues(phy->mt76,
+ MT_TXQ_ID(band),
+ MT7996_TX_RING_SIZE,
+ MT_TXQ_RING_BASE(band) + hif1_ofs, 0);
+ if (ret)
+ goto error;
+
+ ret = mt76_register_phy(mphy, true, mt76_rates,
+ ARRAY_SIZE(mt76_rates));
+ if (ret)
+ goto error;
+
+ ret = mt7996_init_debugfs(phy);
+ if (ret)
+ goto error;
+
+ return 0;
+
+error:
+ mphy->dev->phys[band] = NULL;
+ ieee80211_free_hw(mphy->hw);
+ return ret;
+}
+
+static void
+mt7996_unregister_phy(struct mt7996_phy *phy, enum mt76_band_id band)
+{
+ struct mt76_phy *mphy;
+
+ if (!phy)
+ return;
+
+ mphy = phy->dev->mt76.phys[band];
+ mt76_unregister_phy(mphy);
+ ieee80211_free_hw(mphy->hw);
+ phy->dev->mt76.phys[band] = NULL;
+}
+
+static void mt7996_init_work(struct work_struct *work)
+{
+ struct mt7996_dev *dev = container_of(work, struct mt7996_dev,
+ init_work);
+
+ mt7996_mcu_set_eeprom(dev);
+ mt7996_mac_init(dev);
+ mt7996_init_txpower(dev, &dev->mphy.sband_2g.sband);
+ mt7996_init_txpower(dev, &dev->mphy.sband_5g.sband);
+ mt7996_init_txpower(dev, &dev->mphy.sband_6g.sband);
+ mt7996_txbf_init(dev);
+}
+
+void mt7996_wfsys_reset(struct mt7996_dev *dev)
+{
+ mt76_set(dev, MT_WF_SUBSYS_RST, 0x1);
+ msleep(20);
+
+ mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1);
+ msleep(20);
+}
+
+static int mt7996_init_hardware(struct mt7996_dev *dev)
+{
+ int ret, idx;
+
+ mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+
+ INIT_WORK(&dev->init_work, mt7996_init_work);
+
+ dev->dbdc_support = true;
+ dev->tbtc_support = true;
+
+ ret = mt7996_dma_init(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+ ret = mt7996_mcu_init(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7996_eeprom_init(dev);
+ if (ret < 0)
+ return ret;
+
+ /* 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 |
+ (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
+
+ *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 int
+mt7996_init_he_caps(struct mt7996_phy *phy, enum nl80211_band band,
+ struct ieee80211_sband_iftype_data *data)
+{
+ int i, idx = 0, 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));
+ }
+
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+ struct ieee80211_sta_he_cap *he_cap = &data[idx].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;
+
+ switch (i) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+#endif
+ break;
+ default:
+ continue;
+ }
+
+ data[idx].types_mask = BIT(i);
+ 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 |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_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 (i) {
+ 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;
+ }
+
+ 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);
+ he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
+
+ mt7996_set_stream_he_txbf_caps(phy, he_cap, i);
+
+ 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] |=
+ IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US;
+ }
+
+ 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[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
+ }
+
+ idx++;
+ }
+
+ return idx;
+}
+
+void mt7996_set_stream_he_caps(struct mt7996_phy *phy)
+{
+ struct ieee80211_sband_iftype_data *data;
+ struct ieee80211_supported_band *band;
+ int n;
+
+ if (phy->mt76->cap.has_2ghz) {
+ data = phy->iftype[NL80211_BAND_2GHZ];
+ n = mt7996_init_he_caps(phy, NL80211_BAND_2GHZ, data);
+
+ band = &phy->mt76->sband_2g.sband;
+ band->iftype_data = data;
+ band->n_iftype_data = n;
+ }
+
+ if (phy->mt76->cap.has_5ghz) {
+ data = phy->iftype[NL80211_BAND_5GHZ];
+ n = mt7996_init_he_caps(phy, NL80211_BAND_5GHZ, data);
+
+ band = &phy->mt76->sband_5g.sband;
+ band->iftype_data = data;
+ band->n_iftype_data = n;
+ }
+
+ if (phy->mt76->cap.has_6ghz) {
+ data = phy->iftype[NL80211_BAND_6GHZ];
+ n = mt7996_init_he_caps(phy, NL80211_BAND_6GHZ, data);
+
+ band = &phy->mt76->sband_6g.sband;
+ band->iftype_data = data;
+ band->n_iftype_data = n;
+ }
+}
+
+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->mt76.led_cdev.brightness_set = mt7996_led_set_brightness;
+ dev->mt76.led_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);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
new file mode 100644
index 000000000000..9650590a5d4b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -0,0 +1,2468 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/timekeeping.h>
+#include "mt7996.h"
+#include "../dma.h"
+#include "mac.h"
+#include "mcu.h"
+
+#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
+
+#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f)
+#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\
+ IEEE80211_RADIOTAP_HE_##f)
+
+static const struct mt7996_dfs_radar_spec etsi_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [5] = { 1, 0, 6, 32, 28, 0, 990, 5010, 17, 1, 1 },
+ [6] = { 1, 0, 9, 32, 28, 0, 615, 5010, 27, 1, 1 },
+ [7] = { 1, 0, 15, 32, 28, 0, 240, 445, 27, 1, 1 },
+ [8] = { 1, 0, 12, 32, 28, 0, 240, 510, 42, 1, 1 },
+ [9] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 12, 32, 28, { }, 126 },
+ [10] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 15, 32, 24, { }, 126 },
+ [11] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 18, 32, 28, { }, 54 },
+ [12] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 27, 32, 24, { }, 54 },
+ },
+};
+
+static const struct mt7996_dfs_radar_spec fcc_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
+ [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
+ [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
+ [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
+ [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
+ },
+};
+
+static const struct mt7996_dfs_radar_spec jp_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
+ [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
+ [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
+ [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
+ [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
+ [13] = { 1, 0, 7, 32, 28, 0, 3836, 3856, 14, 1, 1 },
+ [14] = { 1, 0, 6, 32, 28, 0, 615, 5010, 110, 1, 1 },
+ [15] = { 1, 1, 0, 0, 0, 0, 15, 5010, 110, 0, 0, 12, 32, 28 },
+ },
+};
+
+static struct mt76_wcid *mt7996_rx_get_wcid(struct mt7996_dev *dev,
+ u16 idx, bool unicast)
+{
+ struct mt7996_sta *sta;
+ struct mt76_wcid *wcid;
+
+ if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+ return NULL;
+
+ wcid = rcu_dereference(dev->mt76.wcid[idx]);
+ if (unicast || !wcid)
+ return wcid;
+
+ if (!wcid->sta)
+ return NULL;
+
+ sta = container_of(wcid, struct mt7996_sta, wcid);
+ if (!sta->vif)
+ return NULL;
+
+ return &sta->vif->sta.wcid;
+}
+
+void mt7996_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
+{
+}
+
+bool mt7996_mac_wtbl_update(struct mt7996_dev *dev, int idx, u32 mask)
+{
+ mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
+ FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
+
+ return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
+ 0, 5000);
+}
+
+u32 mt7996_mac_wtbl_lmac_addr(struct mt7996_dev *dev, u16 wcid, u8 dw)
+{
+ mt76_wr(dev, MT_WTBLON_TOP_WDUCR,
+ FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7)));
+
+ return MT_WTBL_LMAC_OFFS(wcid, dw);
+}
+
+static void mt7996_mac_sta_poll(struct mt7996_dev *dev)
+{
+ static const u8 ac_to_tid[] = {
+ [IEEE80211_AC_BE] = 0,
+ [IEEE80211_AC_BK] = 1,
+ [IEEE80211_AC_VI] = 4,
+ [IEEE80211_AC_VO] = 6
+ };
+ struct ieee80211_sta *sta;
+ struct mt7996_sta *msta;
+ struct rate_info *rate;
+ u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
+ LIST_HEAD(sta_poll_list);
+ int i;
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ list_splice_init(&dev->sta_poll_list, &sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+ rcu_read_lock();
+
+ while (true) {
+ bool clear = false;
+ u32 addr, val;
+ u16 idx;
+ u8 bw;
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&sta_poll_list)) {
+ spin_unlock_bh(&dev->sta_poll_lock);
+ break;
+ }
+ msta = list_first_entry(&sta_poll_list,
+ struct mt7996_sta, poll_list);
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+ idx = msta->wcid.idx;
+ addr = mt7996_mac_wtbl_lmac_addr(dev, idx, 20);
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ u32 tx_last = msta->airtime_ac[i];
+ u32 rx_last = msta->airtime_ac[i + 4];
+
+ msta->airtime_ac[i] = mt76_rr(dev, addr);
+ msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4);
+
+ tx_time[i] = msta->airtime_ac[i] - tx_last;
+ rx_time[i] = msta->airtime_ac[i + 4] - rx_last;
+
+ if ((tx_last | rx_last) & BIT(30))
+ clear = true;
+
+ addr += 8;
+ }
+
+ if (clear) {
+ mt7996_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+ }
+
+ if (!msta->wcid.sta)
+ continue;
+
+ sta = container_of((void *)msta, struct ieee80211_sta,
+ drv_priv);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ u8 q = mt76_connac_lmac_mapping(i);
+ u32 tx_cur = tx_time[q];
+ u32 rx_cur = rx_time[q];
+ u8 tid = ac_to_tid[i];
+
+ if (!tx_cur && !rx_cur)
+ continue;
+
+ ieee80211_sta_register_airtime(sta, tid, tx_cur, rx_cur);
+ }
+
+ /* We don't support reading GI info from txs packets.
+ * For accurate tx status reporting and AQL improvement,
+ * we need to make sure that flags match so polling GI
+ * from per-sta counters directly.
+ */
+ rate = &msta->wcid.rate;
+
+ switch (rate->bw) {
+ case RATE_INFO_BW_160:
+ bw = IEEE80211_STA_RX_BW_160;
+ break;
+ case RATE_INFO_BW_80:
+ bw = IEEE80211_STA_RX_BW_80;
+ break;
+ case RATE_INFO_BW_40:
+ bw = IEEE80211_STA_RX_BW_40;
+ break;
+ default:
+ bw = IEEE80211_STA_RX_BW_20;
+ break;
+ }
+
+ addr = mt7996_mac_wtbl_lmac_addr(dev, idx, 6);
+ val = mt76_rr(dev, addr);
+ if (rate->flags & RATE_INFO_FLAGS_HE_MCS) {
+ u8 offs = 24 + 2 * bw;
+
+ rate->he_gi = (val & (0x3 << offs)) >> offs;
+ } else if (rate->flags &
+ (RATE_INFO_FLAGS_VHT_MCS | RATE_INFO_FLAGS_MCS)) {
+ if (val & BIT(12 + bw))
+ rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ else
+ rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
+ }
+ }
+
+ rcu_read_unlock();
+}
+
+static void
+mt7996_mac_decode_he_radiotap_ru(struct mt76_rx_status *status,
+ struct ieee80211_radiotap_he *he,
+ __le32 *rxv)
+{
+ u32 ru_h, ru_l;
+ u8 ru, offs = 0;
+
+ ru_l = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC_L);
+ ru_h = le32_get_bits(rxv[1], MT_PRXV_HE_RU_ALLOC_H);
+ ru = (u8)(ru_l | ru_h << 4);
+
+ status->bw = RATE_INFO_BW_HE_RU;
+
+ switch (ru) {
+ case 0 ... 36:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
+ offs = ru;
+ break;
+ case 37 ... 52:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
+ offs = ru - 37;
+ break;
+ case 53 ... 60:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ offs = ru - 53;
+ break;
+ case 61 ... 64:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
+ offs = ru - 61;
+ break;
+ case 65 ... 66:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
+ offs = ru - 65;
+ break;
+ case 67:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
+ break;
+ case 68:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
+ break;
+ }
+
+ he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
+ he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) |
+ le16_encode_bits(offs,
+ IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
+}
+
+static void
+mt7996_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+ static const struct ieee80211_radiotap_he_mu mu_known = {
+ .flags1 = HE_BITS(MU_FLAGS1_SIG_B_MCS_KNOWN) |
+ HE_BITS(MU_FLAGS1_SIG_B_DCM_KNOWN) |
+ HE_BITS(MU_FLAGS1_CH1_RU_KNOWN) |
+ HE_BITS(MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN),
+ .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
+ };
+ struct ieee80211_radiotap_he_mu *he_mu = NULL;
+
+ status->flag |= RX_FLAG_RADIOTAP_HE_MU;
+
+ he_mu = skb_push(skb, sizeof(mu_known));
+ memcpy(he_mu, &mu_known, sizeof(mu_known));
+
+#define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f)
+
+ he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_MCS, status->rate_idx);
+ if (status->he_dcm)
+ he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_DCM, status->he_dcm);
+
+ he_mu->flags2 |= MU_PREP(FLAGS2_BW_FROM_SIG_A_BW, status->bw) |
+ MU_PREP(FLAGS2_SIG_B_SYMS_USERS,
+ le32_get_bits(rxv[2], MT_CRXV_HE_NUM_USER));
+
+ he_mu->ru_ch1[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU0);
+
+ if (status->bw >= RATE_INFO_BW_40) {
+ he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN);
+ he_mu->ru_ch2[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU1);
+ }
+
+ if (status->bw >= RATE_INFO_BW_80) {
+ he_mu->ru_ch1[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU2);
+ he_mu->ru_ch2[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU3);
+ }
+}
+
+static void
+mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+ static const struct ieee80211_radiotap_he known = {
+ .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) |
+ HE_BITS(DATA1_DATA_DCM_KNOWN) |
+ HE_BITS(DATA1_STBC_KNOWN) |
+ HE_BITS(DATA1_CODING_KNOWN) |
+ HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
+ HE_BITS(DATA1_DOPPLER_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE_KNOWN) |
+ HE_BITS(DATA1_BSS_COLOR_KNOWN),
+ .data2 = HE_BITS(DATA2_GI_KNOWN) |
+ HE_BITS(DATA2_TXBF_KNOWN) |
+ HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
+ HE_BITS(DATA2_TXOP_KNOWN),
+ };
+ struct ieee80211_radiotap_he *he = NULL;
+ u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1;
+
+ status->flag |= RX_FLAG_RADIOTAP_HE;
+
+ he = skb_push(skb, sizeof(known));
+ memcpy(he, &known, sizeof(known));
+
+ he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) |
+ HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]);
+ he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]);
+ he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) |
+ le16_encode_bits(ltf_size,
+ IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
+ if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF)
+ he->data5 |= HE_BITS(DATA5_TXBF);
+ he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) |
+ HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]);
+
+ switch (mode) {
+ case MT_PHY_TYPE_HE_SU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_SU) |
+ HE_BITS(DATA1_UL_DL_KNOWN) |
+ HE_BITS(DATA1_BEAM_CHANGE_KNOWN) |
+ HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) |
+ HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+ break;
+ case MT_PHY_TYPE_HE_EXT_SU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) |
+ HE_BITS(DATA1_UL_DL_KNOWN) |
+ HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+ break;
+ case MT_PHY_TYPE_HE_MU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_MU) |
+ HE_BITS(DATA1_UL_DL_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+ he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]);
+
+ mt7996_mac_decode_he_radiotap_ru(status, he, rxv);
+ mt7996_mac_decode_he_mu_radiotap(skb, rxv);
+ break;
+ case MT_PHY_TYPE_HE_TB:
+ he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) |
+ HE_BITS(DATA1_SPTL_REUSE2_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE3_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE4_KNOWN);
+
+ he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) |
+ HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) |
+ HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) |
+ HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]);
+
+ mt7996_mac_decode_he_radiotap_ru(status, he, rxv);
+ break;
+ default:
+ break;
+ }
+}
+
+/* The HW does not translate the mac header to 802.3 for mesh point */
+static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+ struct ethhdr *eth_hdr = (struct ethhdr *)(skb->data + hdr_gap);
+ struct mt7996_sta *msta = (struct mt7996_sta *)status->wcid;
+ __le32 *rxd = (__le32 *)skb->data;
+ struct ieee80211_sta *sta;
+ struct ieee80211_vif *vif;
+ struct ieee80211_hdr hdr;
+ u16 frame_control;
+
+ if (le32_get_bits(rxd[3], MT_RXD3_NORMAL_ADDR_TYPE) !=
+ MT_RXD3_NORMAL_U2M)
+ return -EINVAL;
+
+ if (!(le32_to_cpu(rxd[1]) & MT_RXD1_NORMAL_GROUP_4))
+ return -EINVAL;
+
+ if (!msta || !msta->vif)
+ return -EINVAL;
+
+ sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
+ vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
+
+ /* store the info from RXD and ethhdr to avoid being overridden */
+ frame_control = le32_get_bits(rxd[8], MT_RXD8_FRAME_CONTROL);
+ hdr.frame_control = cpu_to_le16(frame_control);
+ hdr.seq_ctrl = cpu_to_le16(le32_get_bits(rxd[10], MT_RXD10_SEQ_CTRL));
+ hdr.duration_id = 0;
+
+ ether_addr_copy(hdr.addr1, vif->addr);
+ ether_addr_copy(hdr.addr2, sta->addr);
+ switch (frame_control & (IEEE80211_FCTL_TODS |
+ IEEE80211_FCTL_FROMDS)) {
+ case 0:
+ ether_addr_copy(hdr.addr3, vif->bss_conf.bssid);
+ break;
+ case IEEE80211_FCTL_FROMDS:
+ ether_addr_copy(hdr.addr3, eth_hdr->h_source);
+ break;
+ case IEEE80211_FCTL_TODS:
+ ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
+ break;
+ case IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS:
+ ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
+ ether_addr_copy(hdr.addr4, eth_hdr->h_source);
+ break;
+ default:
+ break;
+ }
+
+ skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2);
+ if (eth_hdr->h_proto == cpu_to_be16(ETH_P_AARP) ||
+ eth_hdr->h_proto == cpu_to_be16(ETH_P_IPX))
+ ether_addr_copy(skb_push(skb, ETH_ALEN), bridge_tunnel_header);
+ else if (be16_to_cpu(eth_hdr->h_proto) >= ETH_P_802_3_MIN)
+ ether_addr_copy(skb_push(skb, ETH_ALEN), rfc1042_header);
+ else
+ skb_pull(skb, 2);
+
+ if (ieee80211_has_order(hdr.frame_control))
+ memcpy(skb_push(skb, IEEE80211_HT_CTL_LEN), &rxd[11],
+ IEEE80211_HT_CTL_LEN);
+ if (ieee80211_is_data_qos(hdr.frame_control)) {
+ __le16 qos_ctrl;
+
+ qos_ctrl = cpu_to_le16(le32_get_bits(rxd[10], MT_RXD10_QOS_CTL));
+ memcpy(skb_push(skb, IEEE80211_QOS_CTL_LEN), &qos_ctrl,
+ IEEE80211_QOS_CTL_LEN);
+ }
+
+ if (ieee80211_has_a4(hdr.frame_control))
+ memcpy(skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
+ else
+ memcpy(skb_push(skb, sizeof(hdr) - 6), &hdr, sizeof(hdr) - 6);
+
+ return 0;
+}
+
+static int
+mt7996_mac_fill_rx_rate(struct mt7996_dev *dev,
+ struct mt76_rx_status *status,
+ struct ieee80211_supported_band *sband,
+ __le32 *rxv, u8 *mode)
+{
+ u32 v0, v2;
+ u8 stbc, gi, bw, dcm, nss;
+ int i, idx;
+ bool cck = false;
+
+ v0 = le32_to_cpu(rxv[0]);
+ v2 = le32_to_cpu(rxv[2]);
+
+ idx = FIELD_GET(MT_PRXV_TX_RATE, v0);
+ i = idx;
+ nss = FIELD_GET(MT_PRXV_NSTS, v0) + 1;
+
+ stbc = FIELD_GET(MT_PRXV_HT_STBC, v2);
+ gi = FIELD_GET(MT_PRXV_HT_SHORT_GI, v2);
+ *mode = FIELD_GET(MT_PRXV_TX_MODE, v2);
+ dcm = FIELD_GET(MT_PRXV_DCM, v2);
+ bw = FIELD_GET(MT_PRXV_FRAME_MODE, v2);
+
+ switch (*mode) {
+ case MT_PHY_TYPE_CCK:
+ cck = true;
+ fallthrough;
+ case MT_PHY_TYPE_OFDM:
+ i = mt76_get_rate(&dev->mt76, sband, i, cck);
+ break;
+ case MT_PHY_TYPE_HT_GF:
+ case MT_PHY_TYPE_HT:
+ status->encoding = RX_ENC_HT;
+ if (gi)
+ status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+ if (i > 31)
+ return -EINVAL;
+ break;
+ case MT_PHY_TYPE_VHT:
+ status->nss = nss;
+ status->encoding = RX_ENC_VHT;
+ if (gi)
+ status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+ if (i > 11)
+ return -EINVAL;
+ break;
+ case MT_PHY_TYPE_HE_MU:
+ case MT_PHY_TYPE_HE_SU:
+ case MT_PHY_TYPE_HE_EXT_SU:
+ case MT_PHY_TYPE_HE_TB:
+ status->nss = nss;
+ status->encoding = RX_ENC_HE;
+ i &= GENMASK(3, 0);
+
+ if (gi <= NL80211_RATE_INFO_HE_GI_3_2)
+ status->he_gi = gi;
+
+ status->he_dcm = dcm;
+ break;
+ default:
+ return -EINVAL;
+ }
+ status->rate_idx = i;
+
+ switch (bw) {
+ case IEEE80211_STA_RX_BW_20:
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ if (*mode & MT_PHY_TYPE_HE_EXT_SU &&
+ (idx & MT_PRXV_TX_ER_SU_106T)) {
+ status->bw = RATE_INFO_BW_HE_RU;
+ status->he_ru =
+ NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ } else {
+ status->bw = RATE_INFO_BW_40;
+ }
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ status->bw = RATE_INFO_BW_80;
+ break;
+ case IEEE80211_STA_RX_BW_160:
+ status->bw = RATE_INFO_BW_160;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc;
+ if (*mode < MT_PHY_TYPE_HE_SU && gi)
+ status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+
+ return 0;
+}
+
+static int
+mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt7996_phy *phy = &dev->phy;
+ struct ieee80211_supported_band *sband;
+ __le32 *rxd = (__le32 *)skb->data;
+ __le32 *rxv = NULL;
+ u32 rxd0 = le32_to_cpu(rxd[0]);
+ u32 rxd1 = le32_to_cpu(rxd[1]);
+ u32 rxd2 = le32_to_cpu(rxd[2]);
+ u32 rxd3 = le32_to_cpu(rxd[3]);
+ u32 rxd4 = le32_to_cpu(rxd[4]);
+ u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
+ u32 csum_status = *(u32 *)skb->cb;
+ bool unicast, insert_ccmp_hdr = false;
+ u8 remove_pad, amsdu_info, band_idx;
+ u8 mode = 0, qos_ctl = 0;
+ bool hdr_trans;
+ u16 hdr_gap;
+ u16 seq_ctrl = 0;
+ __le16 fc = 0;
+ int idx;
+
+ memset(status, 0, sizeof(*status));
+
+ band_idx = FIELD_GET(MT_RXD1_NORMAL_BAND_IDX, rxd1);
+ mphy = dev->mt76.phys[band_idx];
+ phy = mphy->priv;
+ status->phy_idx = mphy->band_idx;
+
+ if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
+ return -EINVAL;
+
+ if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR)
+ return -EINVAL;
+
+ hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
+ if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM))
+ return -EINVAL;
+
+ /* ICV error or CCMP/BIP/WPI MIC error */
+ if (rxd1 & MT_RXD1_NORMAL_ICV_ERR)
+ status->flag |= RX_FLAG_ONLY_MONITOR;
+
+ unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
+ idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
+ status->wcid = mt7996_rx_get_wcid(dev, idx, unicast);
+
+ if (status->wcid) {
+ struct mt7996_sta *msta;
+
+ msta = container_of(status->wcid, struct mt7996_sta, wcid);
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&msta->poll_list))
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+ }
+
+ status->freq = mphy->chandef.chan->center_freq;
+ status->band = mphy->chandef.chan->band;
+ if (status->band == NL80211_BAND_5GHZ)
+ sband = &mphy->sband_5g.sband;
+ else if (status->band == NL80211_BAND_6GHZ)
+ sband = &mphy->sband_6g.sband;
+ else
+ sband = &mphy->sband_2g.sband;
+
+ if (!sband->channels)
+ return -EINVAL;
+
+ if ((rxd0 & csum_mask) == csum_mask &&
+ !(csum_status & (BIT(0) | BIT(2) | BIT(3))))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ if (rxd1 & MT_RXD3_NORMAL_FCS_ERR)
+ status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+ if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
+ status->flag |= RX_FLAG_MMIC_ERROR;
+
+ if (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2) != 0 &&
+ !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
+ status->flag |= RX_FLAG_DECRYPTED;
+ status->flag |= RX_FLAG_IV_STRIPPED;
+ status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
+ }
+
+ remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
+
+ if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
+ return -EINVAL;
+
+ rxd += 8;
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
+ u32 v0 = le32_to_cpu(rxd[0]);
+ u32 v2 = le32_to_cpu(rxd[2]);
+
+ fc = cpu_to_le16(FIELD_GET(MT_RXD8_FRAME_CONTROL, v0));
+ qos_ctl = FIELD_GET(MT_RXD10_QOS_CTL, v2);
+ seq_ctrl = FIELD_GET(MT_RXD10_SEQ_CTRL, v2);
+
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
+ u8 *data = (u8 *)rxd;
+
+ if (status->flag & RX_FLAG_DECRYPTED) {
+ switch (FIELD_GET(MT_RXD2_NORMAL_SEC_MODE, rxd2)) {
+ case MT_CIPHER_AES_CCMP:
+ case MT_CIPHER_CCMP_CCX:
+ case MT_CIPHER_CCMP_256:
+ insert_ccmp_hdr =
+ FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+ fallthrough;
+ case MT_CIPHER_TKIP:
+ case MT_CIPHER_TKIP_NO_MIC:
+ case MT_CIPHER_GCMP:
+ case MT_CIPHER_GCMP_256:
+ status->iv[0] = data[5];
+ status->iv[1] = data[4];
+ status->iv[2] = data[3];
+ status->iv[3] = data[2];
+ status->iv[4] = data[1];
+ status->iv[5] = data[0];
+ break;
+ default:
+ break;
+ }
+ }
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
+ status->timestamp = le32_to_cpu(rxd[0]);
+ status->flag |= RX_FLAG_MACTIME_START;
+
+ if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
+ status->flag |= RX_FLAG_AMPDU_DETAILS;
+
+ /* all subframes of an A-MPDU have the same timestamp */
+ if (phy->rx_ampdu_ts != status->timestamp) {
+ if (!++phy->ampdu_ref)
+ phy->ampdu_ref++;
+ }
+ phy->rx_ampdu_ts = status->timestamp;
+
+ status->ampdu_ref = phy->ampdu_ref;
+ }
+
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ /* RXD Group 3 - P-RXV */
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
+ u32 v3;
+ int ret;
+
+ rxv = rxd;
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+
+ v3 = le32_to_cpu(rxv[3]);
+
+ status->chains = mphy->antenna_mask;
+ status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v3);
+ status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v3);
+ status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v3);
+ status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v3);
+
+ /* RXD Group 5 - C-RXV */
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
+ rxd += 24;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ ret = mt7996_mac_fill_rx_rate(dev, status, sband, rxv, &mode);
+ if (ret < 0)
+ return ret;
+ }
+
+ amsdu_info = FIELD_GET(MT_RXD4_NORMAL_PAYLOAD_FORMAT, rxd4);
+ status->amsdu = !!amsdu_info;
+ if (status->amsdu) {
+ status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME;
+ status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME;
+ }
+
+ hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad;
+ if (hdr_trans && ieee80211_has_morefrags(fc)) {
+ if (mt7996_reverse_frag0_hdr_trans(skb, hdr_gap))
+ return -EINVAL;
+ hdr_trans = false;
+ } else {
+ int pad_start = 0;
+
+ skb_pull(skb, hdr_gap);
+ if (!hdr_trans && status->amsdu) {
+ pad_start = ieee80211_get_hdrlen_from_skb(skb);
+ } else if (hdr_trans && (rxd2 & MT_RXD2_NORMAL_HDR_TRANS_ERROR)) {
+ /* When header translation failure is indicated,
+ * the hardware will insert an extra 2-byte field
+ * containing the data length after the protocol
+ * type field.
+ */
+ pad_start = 12;
+ if (get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q)
+ pad_start += 4;
+ else
+ pad_start = 0;
+ }
+
+ if (pad_start) {
+ memmove(skb->data + 2, skb->data, pad_start);
+ skb_pull(skb, 2);
+ }
+ }
+
+ if (!hdr_trans) {
+ struct ieee80211_hdr *hdr;
+
+ if (insert_ccmp_hdr) {
+ u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
+
+ mt76_insert_ccmp_hdr(skb, key_id);
+ }
+
+ hdr = mt76_skb_get_hdr(skb);
+ fc = hdr->frame_control;
+ if (ieee80211_is_data_qos(fc)) {
+ seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
+ qos_ctl = *ieee80211_get_qos_ctl(hdr);
+ }
+ } else {
+ status->flag |= RX_FLAG_8023;
+ }
+
+ if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023))
+ mt7996_mac_decode_he_radiotap(skb, rxv, mode);
+
+ if (!status->wcid || !ieee80211_is_data_qos(fc))
+ return 0;
+
+ status->aggr = unicast &&
+ !ieee80211_is_qos_nullfunc(fc);
+ status->qos_ctl = qos_ctl;
+ status->seqno = IEEE80211_SEQ_TO_SN(seq_ctrl);
+
+ return 0;
+}
+
+static void
+mt7996_mac_write_txwi_8023(struct mt7996_dev *dev, __le32 *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid)
+{
+ u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+ u8 fc_type, fc_stype;
+ u16 ethertype;
+ bool wmm = false;
+ u32 val;
+
+ if (wcid->sta) {
+ struct ieee80211_sta *sta;
+
+ sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv);
+ wmm = sta->wme;
+ }
+
+ val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3) |
+ FIELD_PREP(MT_TXD1_TID, tid);
+
+ ethertype = get_unaligned_be16(&skb->data[12]);
+ if (ethertype >= ETH_P_802_3_MIN)
+ val |= MT_TXD1_ETH_802_3;
+
+ txwi[1] |= cpu_to_le32(val);
+
+ fc_type = IEEE80211_FTYPE_DATA >> 2;
+ fc_stype = wmm ? IEEE80211_STYPE_QOS_DATA >> 4 : 0;
+
+ val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+ FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype);
+
+ txwi[2] |= cpu_to_le32(val);
+}
+
+static void
+mt7996_mac_write_txwi_80211(struct mt7996_dev *dev, __le32 *txwi,
+ struct sk_buff *skb, struct ieee80211_key_conf *key)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ bool multicast = is_multicast_ether_addr(hdr->addr1);
+ u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+ __le16 fc = hdr->frame_control;
+ u8 fc_type, fc_stype;
+ u32 val;
+
+ if (ieee80211_is_action(fc) &&
+ mgmt->u.action.category == WLAN_CATEGORY_BACK &&
+ mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ)
+ tid = MT_TX_ADDBA;
+ else if (ieee80211_is_mgmt(hdr->frame_control))
+ tid = MT_TX_NORMAL;
+
+ val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) |
+ FIELD_PREP(MT_TXD1_HDR_INFO,
+ ieee80211_get_hdrlen_from_skb(skb) / 2) |
+ FIELD_PREP(MT_TXD1_TID, tid);
+
+ if (!ieee80211_is_data(fc) || multicast ||
+ info->flags & IEEE80211_TX_CTL_USE_MINRATE)
+ val |= MT_TXD1_FIXED_RATE;
+
+ if (key && multicast && ieee80211_is_robust_mgmt_frame(skb) &&
+ key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+ val |= MT_TXD1_BIP;
+ txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME);
+ }
+
+ txwi[1] |= cpu_to_le32(val);
+
+ fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
+ fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4;
+
+ val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+ FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype);
+
+ txwi[2] |= cpu_to_le32(val);
+
+ txwi[3] |= FIELD_PREP(MT_TXD3_BCM, multicast);
+ if (ieee80211_is_beacon(fc)) {
+ txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
+ txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT);
+ }
+
+ if (info->flags & IEEE80211_TX_CTL_INJECTED) {
+ u16 seqno = le16_to_cpu(hdr->seq_ctrl);
+
+ if (ieee80211_is_back_req(hdr->frame_control)) {
+ struct ieee80211_bar *bar;
+
+ bar = (struct ieee80211_bar *)skb->data;
+ seqno = le16_to_cpu(bar->start_seq_num);
+ }
+
+ val = MT_TXD3_SN_VALID |
+ FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno));
+ txwi[3] |= cpu_to_le32(val);
+ txwi[3] &= ~cpu_to_le32(MT_TXD3_HW_AMSDU);
+ }
+}
+
+static u16
+mt7996_mac_tx_rate_val(struct mt76_phy *mphy, struct ieee80211_vif *vif,
+ bool beacon, bool mcast)
+{
+ u8 mode = 0, band = mphy->chandef.chan->band;
+ int rateidx = 0, mcast_rate;
+
+ if (beacon) {
+ struct cfg80211_bitrate_mask *mask;
+
+ mask = &vif->bss_conf.beacon_tx_rate;
+ if (hweight16(mask->control[band].he_mcs[0]) == 1) {
+ rateidx = ffs(mask->control[band].he_mcs[0]) - 1;
+ mode = MT_PHY_TYPE_HE_SU;
+ goto out;
+ } else if (hweight16(mask->control[band].vht_mcs[0]) == 1) {
+ rateidx = ffs(mask->control[band].vht_mcs[0]) - 1;
+ mode = MT_PHY_TYPE_VHT;
+ goto out;
+ } else if (hweight8(mask->control[band].ht_mcs[0]) == 1) {
+ rateidx = ffs(mask->control[band].ht_mcs[0]) - 1;
+ mode = MT_PHY_TYPE_HT;
+ goto out;
+ } else if (hweight32(mask->control[band].legacy) == 1) {
+ rateidx = ffs(mask->control[band].legacy) - 1;
+ goto legacy;
+ }
+ }
+
+ mcast_rate = vif->bss_conf.mcast_rate[band];
+ if (mcast && mcast_rate > 0)
+ rateidx = mcast_rate - 1;
+ else
+ rateidx = ffs(vif->bss_conf.basic_rates) - 1;
+
+legacy:
+ rateidx = mt76_calculate_default_rate(mphy, rateidx);
+ mode = rateidx >> 8;
+ rateidx &= GENMASK(7, 0);
+
+out:
+ return FIELD_PREP(MT_TX_RATE_IDX, rateidx) |
+ FIELD_PREP(MT_TX_RATE_MODE, mode);
+}
+
+void mt7996_mac_write_txwi(struct mt7996_dev *dev, __le32 *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid, int pid,
+ struct ieee80211_key_conf *key, u32 changed)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_phy *mphy = &dev->mphy;
+ u8 band_idx = (info->hw_queue & MT_TX_HW_QUEUE_PHY) >> 2;
+ u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
+ bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
+ u16 tx_count = 15;
+ u32 val;
+ bool beacon = !!(changed & (BSS_CHANGED_BEACON |
+ BSS_CHANGED_BEACON_ENABLED));
+ bool inband_disc = !!(changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
+ BSS_CHANGED_FILS_DISCOVERY));
+
+ if (vif) {
+ struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
+
+ omac_idx = mvif->mt76.omac_idx;
+ wmm_idx = mvif->mt76.wmm_idx;
+ band_idx = mvif->mt76.band_idx;
+ }
+
+ mphy = mt76_dev_phy(&dev->mt76, band_idx);
+
+ if (inband_disc) {
+ p_fmt = MT_TX_TYPE_FW;
+ q_idx = MT_LMAC_ALTX0;
+ } else if (beacon) {
+ p_fmt = MT_TX_TYPE_FW;
+ q_idx = MT_LMAC_BCN0;
+ } else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) {
+ p_fmt = MT_TX_TYPE_CT;
+ q_idx = MT_LMAC_ALTX0;
+ } else {
+ p_fmt = MT_TX_TYPE_CT;
+ q_idx = wmm_idx * MT7996_MAX_WMM_SETS +
+ mt76_connac_lmac_mapping(skb_get_queue_mapping(skb));
+ }
+
+ val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+ FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) |
+ FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
+ txwi[0] = cpu_to_le32(val);
+
+ val = FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
+ FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
+
+ if (band_idx)
+ val |= FIELD_PREP(MT_TXD1_TGID, band_idx);
+
+ txwi[1] = cpu_to_le32(val);
+ txwi[2] = 0;
+
+ val = MT_TXD3_SW_POWER_MGMT |
+ FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
+ if (key)
+ val |= MT_TXD3_PROTECT_FRAME;
+ if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+ val |= MT_TXD3_NO_ACK;
+ if (wcid->amsdu)
+ val |= MT_TXD3_HW_AMSDU;
+
+ txwi[3] = cpu_to_le32(val);
+ txwi[4] = 0;
+
+ val = FIELD_PREP(MT_TXD5_PID, pid);
+ if (pid >= MT_PACKET_ID_FIRST)
+ val |= MT_TXD5_TX_STATUS_HOST;
+ txwi[5] = cpu_to_le32(val);
+
+ val = MT_TXD6_DIS_MAT | MT_TXD6_DAS |
+ FIELD_PREP(MT_TXD6_MSDU_CNT, 1);
+ txwi[6] = cpu_to_le32(val);
+ txwi[7] = 0;
+
+ if (is_8023)
+ mt7996_mac_write_txwi_8023(dev, txwi, skb, wcid);
+ else
+ mt7996_mac_write_txwi_80211(dev, txwi, skb, key);
+
+ if (txwi[1] & cpu_to_le32(MT_TXD1_FIXED_RATE)) {
+ /* Fixed rata is available just for 802.11 txd */
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ bool multicast = is_multicast_ether_addr(hdr->addr1);
+ u16 rate = mt7996_mac_tx_rate_val(mphy, vif, beacon, multicast);
+
+ /* fix to bw 20 */
+ val = MT_TXD6_FIXED_BW |
+ FIELD_PREP(MT_TXD6_BW, 0) |
+ FIELD_PREP(MT_TXD6_TX_RATE, rate);
+
+ txwi[6] |= cpu_to_le32(val);
+ txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
+ }
+}
+
+int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+ struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_txwi_cache *t;
+ struct mt7996_txp *txp;
+ int id, i, pid, nbuf = tx_info->nbuf - 1;
+ bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
+ u8 *txwi = (u8 *)txwi_ptr;
+
+ if (unlikely(tx_info->skb->len <= ETH_HLEN))
+ return -EINVAL;
+
+ if (!wcid)
+ wcid = &dev->mt76.global_wcid;
+
+ if (sta) {
+ struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
+
+ if (time_after(jiffies, msta->jiffies + HZ / 4)) {
+ info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ msta->jiffies = jiffies;
+ }
+ }
+
+ t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+ t->skb = tx_info->skb;
+
+ id = mt76_token_consume(mdev, &t);
+ if (id < 0)
+ return id;
+
+ pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
+ memset(txwi_ptr, 0, MT_TXD_SIZE);
+ /* Transmit non qos data by 802.11 header and need to fill txd by host*/
+ if (!is_8023 || pid >= MT_PACKET_ID_FIRST)
+ mt7996_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, pid,
+ key, 0);
+
+ txp = (struct mt7996_txp *)(txwi + MT_TXD_SIZE);
+ for (i = 0; i < nbuf; i++) {
+ txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
+ txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
+ }
+ txp->nbuf = nbuf;
+
+ txp->flags = cpu_to_le16(MT_CT_INFO_FROM_HOST);
+
+ if (!is_8023 || pid >= MT_PACKET_ID_FIRST)
+ txp->flags |= cpu_to_le16(MT_CT_INFO_APPLY_TXD);
+
+ if (!key)
+ txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
+
+ if (!is_8023 && ieee80211_is_mgmt(hdr->frame_control))
+ txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
+
+ if (vif) {
+ struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
+
+ txp->bss_idx = mvif->mt76.idx;
+ }
+
+ txp->token = cpu_to_le16(id);
+ if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags))
+ txp->rept_wds_wcid = cpu_to_le16(wcid->idx);
+ else
+ txp->rept_wds_wcid = cpu_to_le16(0xfff);
+ tx_info->skb = DMA_DUMMY_DATA;
+
+ /* pass partial skb header to fw */
+ tx_info->buf[1].len = MT_CT_PARSE_LEN;
+ tx_info->buf[1].skip_unmap = true;
+ tx_info->nbuf = MT_CT_DMA_BUF_NUM;
+
+ return 0;
+}
+
+static void
+mt7996_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
+{
+ struct mt7996_sta *msta;
+ u16 fc, tid;
+ u32 val;
+
+ if (!sta || !(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he))
+ return;
+
+ tid = le32_get_bits(txwi[1], MT_TXD1_TID);
+ if (tid >= 6) /* skip VO queue */
+ return;
+
+ val = le32_to_cpu(txwi[2]);
+ fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 |
+ FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4;
+ if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
+ return;
+
+ msta = (struct mt7996_sta *)sta->drv_priv;
+ if (!test_and_set_bit(tid, &msta->ampdu_state))
+ ieee80211_start_tx_ba_session(sta, tid, 0);
+}
+
+static void
+mt7996_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+ struct mt7996_txp *txp;
+ int i;
+
+ txp = mt7996_txwi_to_txp(dev, t);
+ for (i = 0; i < txp->nbuf; i++)
+ dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
+ le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
+}
+
+static void
+mt7996_txwi_free(struct mt7996_dev *dev, struct mt76_txwi_cache *t,
+ struct ieee80211_sta *sta, struct list_head *free_list)
+{
+ struct mt76_dev *mdev = &dev->mt76;
+ struct mt76_wcid *wcid;
+ __le32 *txwi;
+ u16 wcid_idx;
+
+ mt7996_txp_skb_unmap(mdev, t);
+ if (!t->skb)
+ goto out;
+
+ txwi = (__le32 *)mt76_get_txwi_ptr(mdev, t);
+ if (sta) {
+ wcid = (struct mt76_wcid *)sta->drv_priv;
+ wcid_idx = wcid->idx;
+
+ if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE)))
+ mt7996_tx_check_aggr(sta, txwi);
+ } else {
+ wcid_idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
+ }
+
+ __mt76_tx_complete_skb(mdev, wcid_idx, t->skb, free_list);
+
+out:
+ t->skb = NULL;
+ mt76_put_txwi(mdev, t);
+}
+
+static void
+mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len)
+{
+ __le32 *tx_free = (__le32 *)data, *cur_info;
+ struct mt76_dev *mdev = &dev->mt76;
+ struct mt76_phy *phy2 = mdev->phys[MT_BAND1];
+ struct mt76_phy *phy3 = mdev->phys[MT_BAND2];
+ struct mt76_txwi_cache *txwi;
+ struct ieee80211_sta *sta = NULL;
+ LIST_HEAD(free_list);
+ struct sk_buff *skb, *tmp;
+ void *end = data + len;
+ bool wake = false;
+ u16 total, count = 0;
+
+ /* clean DMA queues and unmap buffers first */
+ mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);
+ mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false);
+ if (phy2) {
+ mt76_queue_tx_cleanup(dev, phy2->q_tx[MT_TXQ_PSD], false);
+ mt76_queue_tx_cleanup(dev, phy2->q_tx[MT_TXQ_BE], false);
+ }
+ if (phy3) {
+ mt76_queue_tx_cleanup(dev, phy3->q_tx[MT_TXQ_PSD], false);
+ mt76_queue_tx_cleanup(dev, phy3->q_tx[MT_TXQ_BE], false);
+ }
+
+ if (WARN_ON_ONCE(le32_get_bits(tx_free[1], MT_TXFREE1_VER) < 4))
+ return;
+
+ total = le32_get_bits(tx_free[0], MT_TXFREE0_MSDU_CNT);
+ for (cur_info = &tx_free[2]; count < total; cur_info++) {
+ u32 msdu, info;
+ u8 i;
+
+ if (WARN_ON_ONCE((void *)cur_info >= end))
+ return;
+ /* 1'b1: new wcid pair.
+ * 1'b0: msdu_id with the same 'wcid pair' as above.
+ */
+ info = le32_to_cpu(*cur_info);
+ if (info & MT_TXFREE_INFO_PAIR) {
+ struct mt7996_sta *msta;
+ struct mt76_wcid *wcid;
+ u16 idx;
+
+ idx = FIELD_GET(MT_TXFREE_INFO_WLAN_ID, info);
+ wcid = rcu_dereference(dev->mt76.wcid[idx]);
+ sta = wcid_to_sta(wcid);
+ if (!sta)
+ continue;
+
+ msta = container_of(wcid, struct mt7996_sta, wcid);
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&msta->poll_list))
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+ continue;
+ }
+
+ if (info & MT_TXFREE_INFO_HEADER)
+ continue;
+
+ for (i = 0; i < 2; i++) {
+ msdu = (info >> (15 * i)) & MT_TXFREE_INFO_MSDU_ID;
+ if (msdu == MT_TXFREE_INFO_MSDU_ID)
+ continue;
+
+ count++;
+ txwi = mt76_token_release(mdev, msdu, &wake);
+ if (!txwi)
+ continue;
+
+ mt7996_txwi_free(dev, txwi, sta, &free_list);
+ }
+ }
+
+ mt7996_mac_sta_poll(dev);
+
+ if (wake)
+ mt76_set_tx_blocked(&dev->mt76, false);
+
+ mt76_worker_schedule(&dev->mt76.tx_worker);
+
+ list_for_each_entry_safe(skb, tmp, &free_list, list) {
+ skb_list_del_init(skb);
+ napi_consume_skb(skb, 1);
+ }
+}
+
+static bool
+mt7996_mac_add_txs_skb(struct mt7996_dev *dev, struct mt76_wcid *wcid, int pid,
+ __le32 *txs_data, struct mt76_sta_stats *stats)
+{
+ struct ieee80211_supported_band *sband;
+ struct mt76_dev *mdev = &dev->mt76;
+ struct mt76_phy *mphy;
+ struct ieee80211_tx_info *info;
+ struct sk_buff_head list;
+ struct rate_info rate = {};
+ struct sk_buff *skb;
+ bool cck = false;
+ u32 txrate, txs, mode, stbc;
+
+ mt76_tx_status_lock(mdev, &list);
+ skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
+ if (!skb)
+ goto out_no_skb;
+
+ txs = le32_to_cpu(txs_data[0]);
+
+ info = IEEE80211_SKB_CB(skb);
+ if (!(txs & MT_TXS0_ACK_ERROR_MASK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
+
+ info->status.ampdu_len = 1;
+ info->status.ampdu_ack_len = !!(info->flags &
+ IEEE80211_TX_STAT_ACK);
+
+ info->status.rates[0].idx = -1;
+
+ txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
+
+ rate.mcs = FIELD_GET(MT_TX_RATE_IDX, txrate);
+ rate.nss = FIELD_GET(MT_TX_RATE_NSS, txrate) + 1;
+ stbc = le32_get_bits(txs_data[3], MT_TXS3_RATE_STBC);
+
+ if (stbc && rate.nss > 1)
+ rate.nss >>= 1;
+
+ if (rate.nss - 1 < ARRAY_SIZE(stats->tx_nss))
+ stats->tx_nss[rate.nss - 1]++;
+ if (rate.mcs < ARRAY_SIZE(stats->tx_mcs))
+ stats->tx_mcs[rate.mcs]++;
+
+ mode = FIELD_GET(MT_TX_RATE_MODE, txrate);
+ switch (mode) {
+ case MT_PHY_TYPE_CCK:
+ cck = true;
+ fallthrough;
+ case MT_PHY_TYPE_OFDM:
+ mphy = mt76_dev_phy(mdev, wcid->phy_idx);
+
+ if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+ sband = &mphy->sband_5g.sband;
+ else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ)
+ sband = &mphy->sband_6g.sband;
+ else
+ sband = &mphy->sband_2g.sband;
+
+ rate.mcs = mt76_get_rate(mphy->dev, sband, rate.mcs, cck);
+ rate.legacy = sband->bitrates[rate.mcs].bitrate;
+ break;
+ case MT_PHY_TYPE_HT:
+ case MT_PHY_TYPE_HT_GF:
+ if (rate.mcs > 31)
+ goto out;
+
+ rate.flags = RATE_INFO_FLAGS_MCS;
+ if (wcid->rate.flags & RATE_INFO_FLAGS_SHORT_GI)
+ rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+ break;
+ case MT_PHY_TYPE_VHT:
+ if (rate.mcs > 9)
+ goto out;
+
+ rate.flags = RATE_INFO_FLAGS_VHT_MCS;
+ break;
+ case MT_PHY_TYPE_HE_SU:
+ case MT_PHY_TYPE_HE_EXT_SU:
+ case MT_PHY_TYPE_HE_TB:
+ case MT_PHY_TYPE_HE_MU:
+ if (rate.mcs > 11)
+ goto out;
+
+ rate.he_gi = wcid->rate.he_gi;
+ rate.he_dcm = FIELD_GET(MT_TX_RATE_DCM, txrate);
+ rate.flags = RATE_INFO_FLAGS_HE_MCS;
+ break;
+ default:
+ goto out;
+ }
+
+ stats->tx_mode[mode]++;
+
+ switch (FIELD_GET(MT_TXS0_BW, txs)) {
+ case IEEE80211_STA_RX_BW_160:
+ rate.bw = RATE_INFO_BW_160;
+ stats->tx_bw[3]++;
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ rate.bw = RATE_INFO_BW_80;
+ stats->tx_bw[2]++;
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ rate.bw = RATE_INFO_BW_40;
+ stats->tx_bw[1]++;
+ break;
+ default:
+ rate.bw = RATE_INFO_BW_20;
+ stats->tx_bw[0]++;
+ break;
+ }
+ wcid->rate = rate;
+
+out:
+ mt76_tx_status_skb_done(mdev, skb, &list);
+
+out_no_skb:
+ mt76_tx_status_unlock(mdev, &list);
+
+ return !!skb;
+}
+
+static void mt7996_mac_add_txs(struct mt7996_dev *dev, void *data)
+{
+ struct mt7996_sta *msta = NULL;
+ struct mt76_wcid *wcid;
+ __le32 *txs_data = data;
+ u16 wcidx;
+ u8 pid;
+
+ if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) > 1)
+ return;
+
+ wcidx = le32_get_bits(txs_data[2], MT_TXS2_WCID);
+ pid = le32_get_bits(txs_data[3], MT_TXS3_PID);
+
+ if (pid < MT_PACKET_ID_FIRST)
+ return;
+
+ if (wcidx >= MT7996_WTBL_SIZE)
+ return;
+
+ rcu_read_lock();
+
+ wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
+ if (!wcid)
+ goto out;
+
+ msta = container_of(wcid, struct mt7996_sta, wcid);
+
+ mt7996_mac_add_txs_skb(dev, wcid, pid, txs_data, &msta->stats);
+
+ if (!wcid->sta)
+ goto out;
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&msta->poll_list))
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+out:
+ rcu_read_unlock();
+}
+
+bool mt7996_rx_check(struct mt76_dev *mdev, void *data, int len)
+{
+ struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
+ __le32 *rxd = (__le32 *)data;
+ __le32 *end = (__le32 *)&rxd[len / 4];
+ enum rx_pkt_type type;
+
+ type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
+ if (type != PKT_TYPE_NORMAL) {
+ u32 sw_type = le32_get_bits(rxd[0], MT_RXD0_SW_PKT_TYPE_MASK);
+
+ if (unlikely((sw_type & MT_RXD0_SW_PKT_TYPE_MAP) ==
+ MT_RXD0_SW_PKT_TYPE_FRAME))
+ return true;
+ }
+
+ switch (type) {
+ case PKT_TYPE_TXRX_NOTIFY:
+ mt7996_mac_tx_free(dev, data, len);
+ return false;
+ case PKT_TYPE_TXS:
+ for (rxd += 4; rxd + 8 <= end; rxd += 8)
+ mt7996_mac_add_txs(dev, rxd);
+ return false;
+ case PKT_TYPE_RX_FW_MONITOR:
+ mt7996_debugfs_rx_fw_monitor(dev, data, len);
+ return false;
+ default:
+ return true;
+ }
+}
+
+void mt7996_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb)
+{
+ struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
+ __le32 *rxd = (__le32 *)skb->data;
+ __le32 *end = (__le32 *)&skb->data[skb->len];
+ enum rx_pkt_type type;
+
+ type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
+ if (type != PKT_TYPE_NORMAL) {
+ u32 sw_type = le32_get_bits(rxd[0], MT_RXD0_SW_PKT_TYPE_MASK);
+
+ if (unlikely((sw_type & MT_RXD0_SW_PKT_TYPE_MAP) ==
+ MT_RXD0_SW_PKT_TYPE_FRAME))
+ type = PKT_TYPE_NORMAL;
+ }
+
+ switch (type) {
+ case PKT_TYPE_TXRX_NOTIFY:
+ mt7996_mac_tx_free(dev, skb->data, skb->len);
+ napi_consume_skb(skb, 1);
+ break;
+ case PKT_TYPE_RX_EVENT:
+ mt7996_mcu_rx_event(dev, skb);
+ break;
+ case PKT_TYPE_TXS:
+ for (rxd += 4; rxd + 8 <= end; rxd += 8)
+ mt7996_mac_add_txs(dev, rxd);
+ dev_kfree_skb(skb);
+ break;
+ case PKT_TYPE_RX_FW_MONITOR:
+ mt7996_debugfs_rx_fw_monitor(dev, skb->data, skb->len);
+ dev_kfree_skb(skb);
+ break;
+ case PKT_TYPE_NORMAL:
+ if (!mt7996_mac_fill_rx(dev, skb)) {
+ mt76_rx(&dev->mt76, q, skb);
+ return;
+ }
+ fallthrough;
+ default:
+ dev_kfree_skb(skb);
+ break;
+ }
+}
+
+void mt7996_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
+{
+ if (!e->txwi) {
+ dev_kfree_skb_any(e->skb);
+ return;
+ }
+
+ /* error path */
+ if (e->skb == DMA_DUMMY_DATA) {
+ struct mt76_txwi_cache *t;
+ struct mt7996_txp *txp;
+
+ txp = mt7996_txwi_to_txp(mdev, e->txwi);
+ t = mt76_token_put(mdev, le16_to_cpu(txp->token));
+ e->skb = t ? t->skb : NULL;
+ }
+
+ if (e->skb)
+ mt76_tx_complete_skb(mdev, e->wcid, e->skb);
+}
+
+void mt7996_mac_cca_stats_reset(struct mt7996_phy *phy)
+{
+ struct mt7996_dev *dev = phy->dev;
+ u32 reg = MT_WF_PHYRX_BAND_RX_CTRL1(phy->mt76->band_idx);
+
+ mt76_clear(dev, reg, MT_WF_PHYRX_BAND_RX_CTRL1_STSCNT_EN);
+ mt76_set(dev, reg, BIT(11) | BIT(9));
+}
+
+void mt7996_mac_reset_counters(struct mt7996_phy *phy)
+{
+ struct mt7996_dev *dev = phy->dev;
+ u8 band_idx = phy->mt76->band_idx;
+ int i;
+
+ for (i = 0; i < 16; i++)
+ mt76_rr(dev, MT_TX_AGG_CNT(band_idx, i));
+
+ phy->mt76->survey_time = ktime_get_boottime();
+
+ memset(phy->mt76->aggr_stats, 0, sizeof(phy->mt76->aggr_stats));
+
+ /* reset airtime counters */
+ mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band_idx),
+ MT_WF_RMAC_MIB_RXTIME_CLR);
+
+ mt7996_mcu_get_chan_mib_info(phy, true);
+}
+
+void mt7996_mac_set_timing(struct mt7996_phy *phy)
+{
+ s16 coverage_class = phy->coverage_class;
+ struct mt7996_dev *dev = phy->dev;
+ struct mt7996_phy *phy2 = mt7996_phy2(dev);
+ struct mt7996_phy *phy3 = mt7996_phy3(dev);
+ u32 val, reg_offset;
+ u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
+ u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
+ u8 band_idx = phy->mt76->band_idx;
+ int offset;
+ bool a_band = !(phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ);
+
+ if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
+ return;
+
+ if (phy2)
+ coverage_class = max_t(s16, dev->phy.coverage_class,
+ phy2->coverage_class);
+
+ if (phy3)
+ coverage_class = max_t(s16, coverage_class,
+ phy3->coverage_class);
+
+ mt76_set(dev, MT_ARB_SCR(band_idx),
+ MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+ udelay(1);
+
+ offset = 3 * coverage_class;
+ reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
+
+ mt76_wr(dev, MT_TMAC_CDTR(band_idx), cck + reg_offset);
+ mt76_wr(dev, MT_TMAC_ODTR(band_idx), ofdm + reg_offset);
+ mt76_wr(dev, MT_TMAC_ICR0(band_idx),
+ FIELD_PREP(MT_IFS_EIFS_OFDM, a_band ? 84 : 78) |
+ FIELD_PREP(MT_IFS_RIFS, 2) |
+ FIELD_PREP(MT_IFS_SIFS, 10) |
+ FIELD_PREP(MT_IFS_SLOT, phy->slottime));
+
+ if (!a_band)
+ mt76_wr(dev, MT_TMAC_ICR1(band_idx),
+ FIELD_PREP(MT_IFS_EIFS_CCK, 314));
+
+ if (phy->slottime < 20 || a_band)
+ val = MT7996_CFEND_RATE_DEFAULT;
+ else
+ val = MT7996_CFEND_RATE_11B;
+
+ mt76_rmw_field(dev, MT_AGG_ACR0(band_idx), MT_AGG_ACR_CFEND_RATE, val);
+ mt76_clear(dev, MT_ARB_SCR(band_idx),
+ MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+}
+
+void mt7996_mac_enable_nf(struct mt7996_dev *dev, u8 band)
+{
+ mt76_set(dev, MT_WF_PHYRX_CSD_BAND_RXTD12(band),
+ MT_WF_PHYRX_CSD_BAND_RXTD12_IRPI_SW_CLR_ONLY |
+ MT_WF_PHYRX_CSD_BAND_RXTD12_IRPI_SW_CLR);
+
+ mt76_set(dev, MT_WF_PHYRX_BAND_RX_CTRL1(band),
+ FIELD_PREP(MT_WF_PHYRX_BAND_RX_CTRL1_IPI_EN, 0x5));
+}
+
+static u8
+mt7996_phy_get_nf(struct mt7996_phy *phy, u8 band_idx)
+{
+ static const u8 nf_power[] = { 92, 89, 86, 83, 80, 75, 70, 65, 60, 55, 52 };
+ struct mt7996_dev *dev = phy->dev;
+ u32 val, sum = 0, n = 0;
+ int ant, i;
+
+ for (ant = 0; ant < hweight8(phy->mt76->antenna_mask); ant++) {
+ u32 reg = MT_WF_PHYRX_CSD_IRPI(band_idx, ant);
+
+ for (i = 0; i < ARRAY_SIZE(nf_power); i++, reg += 4) {
+ val = mt76_rr(dev, reg);
+ sum += val * nf_power[i];
+ n += val;
+ }
+ }
+
+ return n ? sum / n : 0;
+}
+
+void mt7996_update_channel(struct mt76_phy *mphy)
+{
+ struct mt7996_phy *phy = (struct mt7996_phy *)mphy->priv;
+ struct mt76_channel_state *state = mphy->chan_state;
+ int nf;
+
+ mt7996_mcu_get_chan_mib_info(phy, false);
+
+ nf = mt7996_phy_get_nf(phy, mphy->band_idx);
+ if (!phy->noise)
+ phy->noise = nf << 4;
+ else if (nf)
+ phy->noise += nf - (phy->noise >> 4);
+
+ state->noise = -(phy->noise >> 4);
+}
+
+static bool
+mt7996_wait_reset_state(struct mt7996_dev *dev, u32 state)
+{
+ bool ret;
+
+ ret = wait_event_timeout(dev->reset_wait,
+ (READ_ONCE(dev->reset_state) & state),
+ MT7996_RESET_TIMEOUT);
+
+ WARN(!ret, "Timeout waiting for MCU reset state %x\n", state);
+ return ret;
+}
+
+static void
+mt7996_update_vif_beacon(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct ieee80211_hw *hw = priv;
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_AP:
+ mt7996_mcu_add_beacon(hw, vif, vif->bss_conf.enable_beacon);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+mt7996_update_beacons(struct mt7996_dev *dev)
+{
+ struct mt76_phy *phy2, *phy3;
+
+ ieee80211_iterate_active_interfaces(dev->mt76.hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7996_update_vif_beacon, dev->mt76.hw);
+
+ phy2 = dev->mt76.phys[MT_BAND1];
+ if (!phy2)
+ return;
+
+ ieee80211_iterate_active_interfaces(phy2->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7996_update_vif_beacon, phy2->hw);
+
+ phy3 = dev->mt76.phys[MT_BAND2];
+ if (!phy3)
+ return;
+
+ ieee80211_iterate_active_interfaces(phy3->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7996_update_vif_beacon, phy3->hw);
+}
+
+static void
+mt7996_dma_reset(struct mt7996_dev *dev)
+{
+ struct mt76_phy *phy2 = dev->mt76.phys[MT_BAND1];
+ struct mt76_phy *phy3 = dev->mt76.phys[MT_BAND2];
+ u32 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+ int i;
+
+ mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ if (dev->hif2)
+ mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ usleep_range(1000, 2000);
+
+ for (i = 0; i < __MT_TXQ_MAX; i++) {
+ mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true);
+ if (phy2)
+ mt76_queue_tx_cleanup(dev, phy2->q_tx[i], true);
+ if (phy3)
+ mt76_queue_tx_cleanup(dev, phy3->q_tx[i], true);
+ }
+
+ for (i = 0; i < __MT_MCUQ_MAX; i++)
+ mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true);
+
+ mt76_for_each_q_rx(&dev->mt76, i)
+ mt76_queue_rx_reset(dev, i);
+
+ mt76_tx_status_check(&dev->mt76, true);
+
+ /* re-init prefetch settings after reset */
+ mt7996_dma_prefetch(dev);
+
+ mt76_set(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ if (dev->hif2)
+ mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+}
+
+void mt7996_tx_token_put(struct mt7996_dev *dev)
+{
+ struct mt76_txwi_cache *txwi;
+ int id;
+
+ spin_lock_bh(&dev->mt76.token_lock);
+ idr_for_each_entry(&dev->mt76.token, txwi, id) {
+ mt7996_txwi_free(dev, txwi, NULL, NULL);
+ dev->mt76.token_count--;
+ }
+ spin_unlock_bh(&dev->mt76.token_lock);
+ idr_destroy(&dev->mt76.token);
+}
+
+/* system error recovery */
+void mt7996_mac_reset_work(struct work_struct *work)
+{
+ struct mt7996_phy *phy2, *phy3;
+ struct mt7996_dev *dev;
+ int i;
+
+ dev = container_of(work, struct mt7996_dev, reset_work);
+ phy2 = mt7996_phy2(dev);
+ phy3 = mt7996_phy3(dev);
+
+ if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA))
+ return;
+
+ ieee80211_stop_queues(mt76_hw(dev));
+ if (phy2)
+ ieee80211_stop_queues(phy2->mt76->hw);
+ if (phy3)
+ ieee80211_stop_queues(phy3->mt76->hw);
+
+ set_bit(MT76_RESET, &dev->mphy.state);
+ set_bit(MT76_MCU_RESET, &dev->mphy.state);
+ wake_up(&dev->mt76.mcu.wait);
+ cancel_delayed_work_sync(&dev->mphy.mac_work);
+ if (phy2) {
+ set_bit(MT76_RESET, &phy2->mt76->state);
+ cancel_delayed_work_sync(&phy2->mt76->mac_work);
+ }
+ if (phy3) {
+ set_bit(MT76_RESET, &phy3->mt76->state);
+ cancel_delayed_work_sync(&phy3->mt76->mac_work);
+ }
+ mt76_worker_disable(&dev->mt76.tx_worker);
+ mt76_for_each_q_rx(&dev->mt76, i)
+ napi_disable(&dev->mt76.napi[i]);
+ napi_disable(&dev->mt76.tx_napi);
+
+ mutex_lock(&dev->mt76.mutex);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
+
+ if (mt7996_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {
+ mt7996_dma_reset(dev);
+
+ mt7996_tx_token_put(dev);
+ idr_init(&dev->mt76.token);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT);
+ mt7996_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE);
+ }
+
+ clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+ clear_bit(MT76_RESET, &dev->mphy.state);
+ if (phy2)
+ clear_bit(MT76_RESET, &phy2->mt76->state);
+ if (phy3)
+ clear_bit(MT76_RESET, &phy3->mt76->state);
+
+ local_bh_disable();
+ mt76_for_each_q_rx(&dev->mt76, i) {
+ napi_enable(&dev->mt76.napi[i]);
+ napi_schedule(&dev->mt76.napi[i]);
+ }
+ local_bh_enable();
+
+ tasklet_schedule(&dev->irq_tasklet);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
+ mt7996_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
+
+ mt76_worker_enable(&dev->mt76.tx_worker);
+
+ local_bh_disable();
+ napi_enable(&dev->mt76.tx_napi);
+ napi_schedule(&dev->mt76.tx_napi);
+ local_bh_enable();
+
+ ieee80211_wake_queues(mt76_hw(dev));
+ if (phy2)
+ ieee80211_wake_queues(phy2->mt76->hw);
+ if (phy3)
+ ieee80211_wake_queues(phy3->mt76->hw);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ mt7996_update_beacons(dev);
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
+ MT7996_WATCHDOG_TIME);
+ if (phy2)
+ ieee80211_queue_delayed_work(phy2->mt76->hw,
+ &phy2->mt76->mac_work,
+ MT7996_WATCHDOG_TIME);
+ if (phy3)
+ ieee80211_queue_delayed_work(phy3->mt76->hw,
+ &phy3->mt76->mac_work,
+ MT7996_WATCHDOG_TIME);
+}
+
+void mt7996_mac_update_stats(struct mt7996_phy *phy)
+{
+ struct mt7996_dev *dev = phy->dev;
+ struct mib_stats *mib = &phy->mib;
+ u8 band_idx = phy->mt76->band_idx;
+ u32 cnt;
+ int i;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR1(band_idx));
+ mib->fcs_err_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR33(band_idx));
+ mib->rx_fifo_full_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR31(band_idx));
+ mib->rx_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_SDR6(band_idx));
+ mib->channel_idle_cnt += FIELD_GET(MT_MIB_SDR6_CHANNEL_IDL_CNT_MASK, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_RVSR0(band_idx));
+ mib->rx_vector_mismatch_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR35(band_idx));
+ mib->rx_delimiter_fail_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR36(band_idx));
+ mib->rx_len_mismatch_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR0(band_idx));
+ mib->tx_ampdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR2(band_idx));
+ mib->tx_stop_q_empty_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR3(band_idx));
+ mib->tx_mpdu_attempts_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR4(band_idx));
+ mib->tx_mpdu_success_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR27(band_idx));
+ mib->rx_ampdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR28(band_idx));
+ mib->rx_ampdu_bytes_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR29(band_idx));
+ mib->rx_ampdu_valid_subframe_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RSCR30(band_idx));
+ mib->rx_ampdu_valid_subframe_bytes_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_SDR27(band_idx));
+ mib->tx_rwp_fail_cnt += FIELD_GET(MT_MIB_SDR27_TX_RWP_FAIL_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR28(band_idx));
+ mib->tx_rwp_need_cnt += FIELD_GET(MT_MIB_SDR28_TX_RWP_NEED_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_UMIB_RPDCR(band_idx));
+ mib->rx_pfdrop_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_RVSR1(band_idx));
+ mib->rx_vec_queue_overflow_drop_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR1(band_idx));
+ mib->rx_ba_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR0(band_idx));
+ mib->tx_bf_ebf_ppdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR1(band_idx));
+ mib->tx_bf_ibf_ppdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR2(band_idx));
+ mib->tx_mu_bf_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR5(band_idx));
+ mib->tx_mu_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR6(band_idx));
+ mib->tx_mu_acked_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_TSCR7(band_idx));
+ mib->tx_su_acked_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR3(band_idx));
+ mib->tx_bf_rx_fb_ht_cnt += cnt;
+ mib->tx_bf_rx_fb_all_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR4(band_idx));
+ mib->tx_bf_rx_fb_vht_cnt += cnt;
+ mib->tx_bf_rx_fb_all_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR5(band_idx));
+ mib->tx_bf_rx_fb_he_cnt += cnt;
+ mib->tx_bf_rx_fb_all_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR6(band_idx));
+ mib->tx_bf_rx_fb_eht_cnt += cnt;
+ mib->tx_bf_rx_fb_all_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_ETBF_RX_FB_CONT(band_idx));
+ mib->tx_bf_rx_fb_bw = FIELD_GET(MT_ETBF_RX_FB_BW, cnt);
+ mib->tx_bf_rx_fb_nc_cnt += FIELD_GET(MT_ETBF_RX_FB_NC, cnt);
+ mib->tx_bf_rx_fb_nr_cnt += FIELD_GET(MT_ETBF_RX_FB_NR, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR7(band_idx));
+ mib->tx_bf_fb_trig_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_BSCR17(band_idx));
+ mib->tx_bf_fb_cpl_cnt += cnt;
+
+ for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
+ cnt = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
+ mib->tx_amsdu[i] += cnt;
+ mib->tx_amsdu_cnt += cnt;
+ }
+
+ /* rts count */
+ cnt = mt76_rr(dev, MT_MIB_BTSCR5(band_idx));
+ mib->rts_cnt += cnt;
+
+ /* rts retry count */
+ cnt = mt76_rr(dev, MT_MIB_BTSCR6(band_idx));
+ mib->rts_retries_cnt += cnt;
+
+ /* ba miss count */
+ cnt = mt76_rr(dev, MT_MIB_BTSCR0(band_idx));
+ mib->ba_miss_cnt += cnt;
+
+ /* ack fail count */
+ cnt = mt76_rr(dev, MT_MIB_BFTFCR(band_idx));
+ mib->ack_fail_cnt += cnt;
+
+ for (i = 0; i < 16; i++) {
+ cnt = mt76_rr(dev, MT_TX_AGG_CNT(band_idx, i));
+ phy->mt76->aggr_stats[i] += cnt;
+ }
+}
+
+void mt7996_mac_sta_rc_work(struct work_struct *work)
+{
+ struct mt7996_dev *dev = container_of(work, struct mt7996_dev, rc_work);
+ struct ieee80211_sta *sta;
+ struct ieee80211_vif *vif;
+ struct mt7996_sta *msta;
+ u32 changed;
+ LIST_HEAD(list);
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ list_splice_init(&dev->sta_rc_list, &list);
+
+ while (!list_empty(&list)) {
+ msta = list_first_entry(&list, struct mt7996_sta, rc_list);
+ list_del_init(&msta->rc_list);
+ changed = msta->changed;
+ msta->changed = 0;
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+ sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
+ vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
+
+ if (changed & (IEEE80211_RC_SUPP_RATES_CHANGED |
+ IEEE80211_RC_NSS_CHANGED |
+ IEEE80211_RC_BW_CHANGED))
+ mt7996_mcu_add_rate_ctrl(dev, vif, sta, true);
+
+ /* TODO: smps change */
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ }
+
+ spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+void mt7996_mac_work(struct work_struct *work)
+{
+ struct mt7996_phy *phy;
+ struct mt76_phy *mphy;
+
+ mphy = (struct mt76_phy *)container_of(work, struct mt76_phy,
+ mac_work.work);
+ phy = mphy->priv;
+
+ mutex_lock(&mphy->dev->mutex);
+
+ mt76_update_survey(mphy);
+ if (++mphy->mac_work_count == 5) {
+ mphy->mac_work_count = 0;
+
+ mt7996_mac_update_stats(phy);
+ }
+
+ mutex_unlock(&mphy->dev->mutex);
+
+ mt76_tx_status_check(mphy->dev, false);
+
+ ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
+ MT7996_WATCHDOG_TIME);
+}
+
+static void mt7996_dfs_stop_radar_detector(struct mt7996_phy *phy)
+{
+ struct mt7996_dev *dev = phy->dev;
+
+ if (phy->rdd_state & BIT(0))
+ mt7996_mcu_rdd_cmd(dev, RDD_STOP, 0,
+ MT_RX_SEL0, 0);
+ if (phy->rdd_state & BIT(1))
+ mt7996_mcu_rdd_cmd(dev, RDD_STOP, 1,
+ MT_RX_SEL0, 0);
+}
+
+static int mt7996_dfs_start_rdd(struct mt7996_dev *dev, int chain)
+{
+ int err, region;
+
+ switch (dev->mt76.region) {
+ case NL80211_DFS_ETSI:
+ region = 0;
+ break;
+ case NL80211_DFS_JP:
+ region = 2;
+ break;
+ case NL80211_DFS_FCC:
+ default:
+ region = 1;
+ break;
+ }
+
+ err = mt7996_mcu_rdd_cmd(dev, RDD_START, chain,
+ MT_RX_SEL0, region);
+ if (err < 0)
+ return err;
+
+ return mt7996_mcu_rdd_cmd(dev, RDD_DET_MODE, chain,
+ MT_RX_SEL0, 1);
+}
+
+static int mt7996_dfs_start_radar_detector(struct mt7996_phy *phy)
+{
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ struct mt7996_dev *dev = phy->dev;
+ u8 band_idx = phy->mt76->band_idx;
+ int err;
+
+ /* start CAC */
+ err = mt7996_mcu_rdd_cmd(dev, RDD_CAC_START, band_idx,
+ MT_RX_SEL0, 0);
+ if (err < 0)
+ return err;
+
+ err = mt7996_dfs_start_rdd(dev, band_idx);
+ if (err < 0)
+ return err;
+
+ phy->rdd_state |= BIT(band_idx);
+
+ if (chandef->width == NL80211_CHAN_WIDTH_160 ||
+ chandef->width == NL80211_CHAN_WIDTH_80P80) {
+ err = mt7996_dfs_start_rdd(dev, 1);
+ if (err < 0)
+ return err;
+
+ phy->rdd_state |= BIT(1);
+ }
+
+ return 0;
+}
+
+static int
+mt7996_dfs_init_radar_specs(struct mt7996_phy *phy)
+{
+ const struct mt7996_dfs_radar_spec *radar_specs;
+ struct mt7996_dev *dev = phy->dev;
+ int err, i;
+
+ switch (dev->mt76.region) {
+ case NL80211_DFS_FCC:
+ radar_specs = &fcc_radar_specs;
+ err = mt7996_mcu_set_fcc5_lpn(dev, 8);
+ if (err < 0)
+ return err;
+ break;
+ case NL80211_DFS_ETSI:
+ radar_specs = &etsi_radar_specs;
+ break;
+ case NL80211_DFS_JP:
+ radar_specs = &jp_radar_specs;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(radar_specs->radar_pattern); i++) {
+ err = mt7996_mcu_set_radar_th(dev, i,
+ &radar_specs->radar_pattern[i]);
+ if (err < 0)
+ return err;
+ }
+
+ return mt7996_mcu_set_pulse_th(dev, &radar_specs->pulse_th);
+}
+
+int mt7996_dfs_init_radar_detector(struct mt7996_phy *phy)
+{
+ struct mt7996_dev *dev = phy->dev;
+ enum mt76_dfs_state dfs_state, prev_state;
+ int err;
+
+ prev_state = phy->mt76->dfs_state;
+ dfs_state = mt76_phy_dfs_state(phy->mt76);
+
+ if (prev_state == dfs_state)
+ return 0;
+
+ if (prev_state == MT_DFS_STATE_UNKNOWN)
+ mt7996_dfs_stop_radar_detector(phy);
+
+ if (dfs_state == MT_DFS_STATE_DISABLED)
+ goto stop;
+
+ if (prev_state <= MT_DFS_STATE_DISABLED) {
+ err = mt7996_dfs_init_radar_specs(phy);
+ if (err < 0)
+ return err;
+
+ err = mt7996_dfs_start_radar_detector(phy);
+ if (err < 0)
+ return err;
+
+ phy->mt76->dfs_state = MT_DFS_STATE_CAC;
+ }
+
+ if (dfs_state == MT_DFS_STATE_CAC)
+ return 0;
+
+ err = mt7996_mcu_rdd_cmd(dev, RDD_CAC_END,
+ phy->mt76->band_idx, MT_RX_SEL0, 0);
+ if (err < 0) {
+ phy->mt76->dfs_state = MT_DFS_STATE_UNKNOWN;
+ return err;
+ }
+
+ phy->mt76->dfs_state = MT_DFS_STATE_ACTIVE;
+ return 0;
+
+stop:
+ err = mt7996_mcu_rdd_cmd(dev, RDD_NORMAL_START,
+ phy->mt76->band_idx, MT_RX_SEL0, 0);
+ if (err < 0)
+ return err;
+
+ mt7996_dfs_stop_radar_detector(phy);
+ phy->mt76->dfs_state = MT_DFS_STATE_DISABLED;
+
+ return 0;
+}
+
+static int
+mt7996_mac_twt_duration_align(int duration)
+{
+ return duration << 8;
+}
+
+static u64
+mt7996_mac_twt_sched_list_add(struct mt7996_dev *dev,
+ struct mt7996_twt_flow *flow)
+{
+ struct mt7996_twt_flow *iter, *iter_next;
+ u32 duration = flow->duration << 8;
+ u64 start_tsf;
+
+ iter = list_first_entry_or_null(&dev->twt_list,
+ struct mt7996_twt_flow, list);
+ if (!iter || !iter->sched || iter->start_tsf > duration) {
+ /* add flow as first entry in the list */
+ list_add(&flow->list, &dev->twt_list);
+ return 0;
+ }
+
+ list_for_each_entry_safe(iter, iter_next, &dev->twt_list, list) {
+ start_tsf = iter->start_tsf +
+ mt7996_mac_twt_duration_align(iter->duration);
+ if (list_is_last(&iter->list, &dev->twt_list))
+ break;
+
+ if (!iter_next->sched ||
+ iter_next->start_tsf > start_tsf + duration) {
+ list_add(&flow->list, &iter->list);
+ goto out;
+ }
+ }
+
+ /* add flow as last entry in the list */
+ list_add_tail(&flow->list, &dev->twt_list);
+out:
+ return start_tsf;
+}
+
+static int mt7996_mac_check_twt_req(struct ieee80211_twt_setup *twt)
+{
+ struct ieee80211_twt_params *twt_agrt;
+ u64 interval, duration;
+ u16 mantissa;
+ u8 exp;
+
+ /* only individual agreement supported */
+ if (twt->control & IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST)
+ return -EOPNOTSUPP;
+
+ /* only 256us unit supported */
+ if (twt->control & IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT)
+ return -EOPNOTSUPP;
+
+ twt_agrt = (struct ieee80211_twt_params *)twt->params;
+
+ /* explicit agreement not supported */
+ if (!(twt_agrt->req_type & cpu_to_le16(IEEE80211_TWT_REQTYPE_IMPLICIT)))
+ return -EOPNOTSUPP;
+
+ exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP,
+ le16_to_cpu(twt_agrt->req_type));
+ mantissa = le16_to_cpu(twt_agrt->mantissa);
+ duration = twt_agrt->min_twt_dur << 8;
+
+ interval = (u64)mantissa << exp;
+ if (interval < duration)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct ieee80211_twt_setup *twt)
+{
+ enum ieee80211_twt_setup_cmd setup_cmd = TWT_SETUP_CMD_REJECT;
+ struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
+ struct ieee80211_twt_params *twt_agrt = (void *)twt->params;
+ u16 req_type = le16_to_cpu(twt_agrt->req_type);
+ enum ieee80211_twt_setup_cmd sta_setup_cmd;
+ struct mt7996_dev *dev = mt7996_hw_dev(hw);
+ struct mt7996_twt_flow *flow;
+ int flowid, table_id;
+ u8 exp;
+
+ if (mt7996_mac_check_twt_req(twt))
+ goto out;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ if (dev->twt.n_agrt == MT7996_MAX_TWT_AGRT)
+ goto unlock;
+
+ if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow))
+ goto unlock;
+
+ flowid = ffs(~msta->twt.flowid_mask) - 1;
+ le16p_replace_bits(&twt_agrt->req_type, flowid,
+ IEEE80211_TWT_REQTYPE_FLOWID);
+
+ table_id = ffs(~dev->twt.table_mask) - 1;
+ exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP, req_type);
+ sta_setup_cmd = FIELD_GET(IEEE80211_TWT_REQTYPE_SETUP_CMD, req_type);
+
+ flow = &msta->twt.flow[flowid];
+ memset(flow, 0, sizeof(*flow));
+ INIT_LIST_HEAD(&flow->list);
+ flow->wcid = msta->wcid.idx;
+ flow->table_id = table_id;
+ flow->id = flowid;
+ flow->duration = twt_agrt->min_twt_dur;
+ flow->mantissa = twt_agrt->mantissa;
+ flow->exp = exp;
+ flow->protection = !!(req_type & IEEE80211_TWT_REQTYPE_PROTECTION);
+ flow->flowtype = !!(req_type & IEEE80211_TWT_REQTYPE_FLOWTYPE);
+ flow->trigger = !!(req_type & IEEE80211_TWT_REQTYPE_TRIGGER);
+
+ if (sta_setup_cmd == TWT_SETUP_CMD_REQUEST ||
+ sta_setup_cmd == TWT_SETUP_CMD_SUGGEST) {
+ u64 interval = (u64)le16_to_cpu(twt_agrt->mantissa) << exp;
+ u64 flow_tsf, curr_tsf;
+ u32 rem;
+
+ flow->sched = true;
+ flow->start_tsf = mt7996_mac_twt_sched_list_add(dev, flow);
+ curr_tsf = __mt7996_get_tsf(hw, msta->vif);
+ div_u64_rem(curr_tsf - flow->start_tsf, interval, &rem);
+ flow_tsf = curr_tsf + interval - rem;
+ twt_agrt->twt = cpu_to_le64(flow_tsf);
+ } else {
+ list_add_tail(&flow->list, &dev->twt_list);
+ }
+ flow->tsf = le64_to_cpu(twt_agrt->twt);
+
+ if (mt7996_mcu_twt_agrt_update(dev, msta->vif, flow, MCU_TWT_AGRT_ADD))
+ goto unlock;
+
+ setup_cmd = TWT_SETUP_CMD_ACCEPT;
+ dev->twt.table_mask |= BIT(table_id);
+ msta->twt.flowid_mask |= BIT(flowid);
+ dev->twt.n_agrt++;
+
+unlock:
+ mutex_unlock(&dev->mt76.mutex);
+out:
+ le16p_replace_bits(&twt_agrt->req_type, setup_cmd,
+ IEEE80211_TWT_REQTYPE_SETUP_CMD);
+ twt->control = (twt->control & IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT) |
+ (twt->control & IEEE80211_TWT_CONTROL_RX_DISABLED);
+}
+
+void mt7996_mac_twt_teardown_flow(struct mt7996_dev *dev,
+ struct mt7996_sta *msta,
+ u8 flowid)
+{
+ struct mt7996_twt_flow *flow;
+
+ lockdep_assert_held(&dev->mt76.mutex);
+
+ if (flowid >= ARRAY_SIZE(msta->twt.flow))
+ return;
+
+ if (!(msta->twt.flowid_mask & BIT(flowid)))
+ return;
+
+ flow = &msta->twt.flow[flowid];
+ if (mt7996_mcu_twt_agrt_update(dev, msta->vif, flow,
+ MCU_TWT_AGRT_DELETE))
+ return;
+
+ list_del_init(&flow->list);
+ msta->twt.flowid_mask &= ~BIT(flowid);
+ dev->twt.table_mask &= ~BIT(flow->table_id);
+ dev->twt.n_agrt--;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.h b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h
new file mode 100644
index 000000000000..9f68852012b9
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h
@@ -0,0 +1,398 @@
+/* SPDX-License-Identifier: ISC */
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ */
+
+#ifndef __MT7996_MAC_H
+#define __MT7996_MAC_H
+
+#define MT_CT_PARSE_LEN 72
+#define MT_CT_DMA_BUF_NUM 2
+
+#define MT_RXD0_LENGTH GENMASK(15, 0)
+#define MT_RXD0_PKT_TYPE GENMASK(31, 27)
+
+#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16)
+#define MT_RXD0_NORMAL_IP_SUM BIT(23)
+#define MT_RXD0_NORMAL_UDP_TCP_SUM BIT(24)
+
+#define MT_RXD0_SW_PKT_TYPE_MASK GENMASK(31, 16)
+#define MT_RXD0_SW_PKT_TYPE_MAP 0x380F
+#define MT_RXD0_SW_PKT_TYPE_FRAME 0x3801
+
+enum rx_pkt_type {
+ PKT_TYPE_TXS,
+ PKT_TYPE_TXRXV,
+ PKT_TYPE_NORMAL,
+ PKT_TYPE_RX_DUP_RFB,
+ PKT_TYPE_RX_TMR,
+ PKT_TYPE_RETRIEVE,
+ PKT_TYPE_TXRX_NOTIFY,
+ PKT_TYPE_RX_EVENT,
+ PKT_TYPE_RX_FW_MONITOR = 0x0c,
+};
+
+/* RXD DW1 */
+#define MT_RXD1_NORMAL_WLAN_IDX GENMASK(11, 0)
+#define MT_RXD1_NORMAL_GROUP_1 BIT(16)
+#define MT_RXD1_NORMAL_GROUP_2 BIT(17)
+#define MT_RXD1_NORMAL_GROUP_3 BIT(18)
+#define MT_RXD1_NORMAL_GROUP_4 BIT(19)
+#define MT_RXD1_NORMAL_GROUP_5 BIT(20)
+#define MT_RXD1_NORMAL_KEY_ID GENMASK(22, 21)
+#define MT_RXD1_NORMAL_CM BIT(23)
+#define MT_RXD1_NORMAL_CLM BIT(24)
+#define MT_RXD1_NORMAL_ICV_ERR BIT(25)
+#define MT_RXD1_NORMAL_TKIP_MIC_ERR BIT(26)
+#define MT_RXD1_NORMAL_BAND_IDX GENMASK(28, 27)
+#define MT_RXD1_NORMAL_SPP_EN BIT(29)
+#define MT_RXD1_NORMAL_ADD_OM BIT(30)
+#define MT_RXD1_NORMAL_SEC_DONE BIT(31)
+
+/* RXD DW2 */
+#define MT_RXD2_NORMAL_BSSID GENMASK(5, 0)
+#define MT_RXD2_NORMAL_MAC_HDR_LEN GENMASK(12, 8)
+#define MT_RXD2_NORMAL_HDR_TRANS BIT(7)
+#define MT_RXD2_NORMAL_HDR_OFFSET GENMASK(15, 13)
+#define MT_RXD2_NORMAL_SEC_MODE GENMASK(20, 16)
+#define MT_RXD2_NORMAL_MU_BAR BIT(21)
+#define MT_RXD2_NORMAL_SW_BIT BIT(22)
+#define MT_RXD2_NORMAL_AMSDU_ERR BIT(23)
+#define MT_RXD2_NORMAL_MAX_LEN_ERROR BIT(24)
+#define MT_RXD2_NORMAL_HDR_TRANS_ERROR BIT(25)
+#define MT_RXD2_NORMAL_INT_FRAME BIT(26)
+#define MT_RXD2_NORMAL_FRAG BIT(27)
+#define MT_RXD2_NORMAL_NULL_FRAME BIT(28)
+#define MT_RXD2_NORMAL_NDATA BIT(29)
+#define MT_RXD2_NORMAL_NON_AMPDU BIT(30)
+#define MT_RXD2_NORMAL_BF_REPORT BIT(31)
+
+/* RXD DW3 */
+#define MT_RXD3_NORMAL_RXV_SEQ GENMASK(7, 0)
+#define MT_RXD3_NORMAL_CH_FREQ GENMASK(15, 8)
+#define MT_RXD3_NORMAL_ADDR_TYPE GENMASK(17, 16)
+#define MT_RXD3_NORMAL_U2M BIT(0)
+#define MT_RXD3_NORMAL_HTC_VLD BIT(18)
+#define MT_RXD3_NORMAL_BEACON_MC BIT(20)
+#define MT_RXD3_NORMAL_BEACON_UC BIT(21)
+#define MT_RXD3_NORMAL_CO_ANT BIT(22)
+#define MT_RXD3_NORMAL_FCS_ERR BIT(24)
+#define MT_RXD3_NORMAL_VLAN2ETH BIT(31)
+
+/* RXD DW4 */
+#define MT_RXD4_NORMAL_PAYLOAD_FORMAT GENMASK(1, 0)
+#define MT_RXD4_FIRST_AMSDU_FRAME GENMASK(1, 0)
+#define MT_RXD4_MID_AMSDU_FRAME BIT(1)
+#define MT_RXD4_LAST_AMSDU_FRAME BIT(0)
+
+#define MT_RXV_HDR_BAND_IDX BIT(24)
+
+/* RXD GROUP4 */
+#define MT_RXD8_FRAME_CONTROL GENMASK(15, 0)
+
+#define MT_RXD10_SEQ_CTRL GENMASK(15, 0)
+#define MT_RXD10_QOS_CTL GENMASK(31, 16)
+
+#define MT_RXD11_HT_CONTROL GENMASK(31, 0)
+
+/* P-RXV */
+#define MT_PRXV_TX_RATE GENMASK(6, 0)
+#define MT_PRXV_TX_DCM BIT(4)
+#define MT_PRXV_TX_ER_SU_106T BIT(5)
+#define MT_PRXV_NSTS GENMASK(10, 7)
+#define MT_PRXV_TXBF BIT(11)
+#define MT_PRXV_HT_AD_CODE BIT(12)
+#define MT_PRXV_HE_RU_ALLOC_L GENMASK(31, 28)
+#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0)
+#define MT_PRXV_RCPI3 GENMASK(31, 24)
+#define MT_PRXV_RCPI2 GENMASK(23, 16)
+#define MT_PRXV_RCPI1 GENMASK(15, 8)
+#define MT_PRXV_RCPI0 GENMASK(7, 0)
+#define MT_PRXV_HT_SHORT_GI GENMASK(4, 3)
+#define MT_PRXV_HT_STBC GENMASK(10, 9)
+#define MT_PRXV_TX_MODE GENMASK(14, 11)
+#define MT_PRXV_FRAME_MODE GENMASK(2, 0)
+#define MT_PRXV_DCM BIT(5)
+#define MT_PRXV_NUM_RX BIT(8, 6)
+
+/* C-RXV */
+#define MT_CRXV_HT_STBC GENMASK(1, 0)
+#define MT_CRXV_TX_MODE GENMASK(7, 4)
+#define MT_CRXV_FRAME_MODE GENMASK(10, 8)
+#define MT_CRXV_HT_SHORT_GI GENMASK(14, 13)
+#define MT_CRXV_HE_LTF_SIZE GENMASK(18, 17)
+#define MT_CRXV_HE_LDPC_EXT_SYM BIT(20)
+#define MT_CRXV_HE_PE_DISAMBIG BIT(23)
+#define MT_CRXV_HE_NUM_USER GENMASK(30, 24)
+#define MT_CRXV_HE_UPLINK BIT(31)
+#define MT_CRXV_HE_RU0 GENMASK(7, 0)
+#define MT_CRXV_HE_RU1 GENMASK(15, 8)
+#define MT_CRXV_HE_RU2 GENMASK(23, 16)
+#define MT_CRXV_HE_RU3 GENMASK(31, 24)
+
+#define MT_CRXV_HE_MU_AID GENMASK(30, 20)
+
+#define MT_CRXV_HE_SR_MASK GENMASK(11, 8)
+#define MT_CRXV_HE_SR1_MASK GENMASK(16, 12)
+#define MT_CRXV_HE_SR2_MASK GENMASK(20, 17)
+#define MT_CRXV_HE_SR3_MASK GENMASK(24, 21)
+
+#define MT_CRXV_HE_BSS_COLOR GENMASK(5, 0)
+#define MT_CRXV_HE_TXOP_DUR GENMASK(12, 6)
+#define MT_CRXV_HE_BEAM_CHNG BIT(13)
+#define MT_CRXV_HE_DOPPLER BIT(16)
+
+enum tx_header_format {
+ MT_HDR_FORMAT_802_3,
+ MT_HDR_FORMAT_CMD,
+ MT_HDR_FORMAT_802_11,
+ MT_HDR_FORMAT_802_11_EXT,
+};
+
+enum tx_pkt_type {
+ MT_TX_TYPE_CT,
+ MT_TX_TYPE_SF,
+ MT_TX_TYPE_CMD,
+ MT_TX_TYPE_FW,
+};
+
+enum tx_port_idx {
+ MT_TX_PORT_IDX_LMAC,
+ MT_TX_PORT_IDX_MCU
+};
+
+enum tx_mcu_port_q_idx {
+ MT_TX_MCU_PORT_RX_Q0 = 0x20,
+ MT_TX_MCU_PORT_RX_Q1,
+ MT_TX_MCU_PORT_RX_Q2,
+ MT_TX_MCU_PORT_RX_Q3,
+ MT_TX_MCU_PORT_RX_FWDL = 0x3e
+};
+
+enum tx_mgnt_type {
+ MT_TX_NORMAL,
+ MT_TX_TIMING,
+ MT_TX_ADDBA,
+};
+
+#define MT_CT_INFO_APPLY_TXD BIT(0)
+#define MT_CT_INFO_COPY_HOST_TXD_ALL BIT(1)
+#define MT_CT_INFO_MGMT_FRAME BIT(2)
+#define MT_CT_INFO_NONE_CIPHER_FRAME BIT(3)
+#define MT_CT_INFO_HSR2_TX BIT(4)
+#define MT_CT_INFO_FROM_HOST BIT(7)
+
+#define MT_TXD_SIZE (8 * 4)
+
+#define MT_TXD0_Q_IDX GENMASK(31, 25)
+#define MT_TXD0_PKT_FMT GENMASK(24, 23)
+#define MT_TXD0_ETH_TYPE_OFFSET GENMASK(22, 16)
+#define MT_TXD0_TX_BYTES GENMASK(15, 0)
+
+#define MT_TXD1_FIXED_RATE BIT(31)
+#define MT_TXD1_OWN_MAC GENMASK(30, 25)
+#define MT_TXD1_TID GENMASK(24, 21)
+#define MT_TXD1_BIP BIT(24)
+#define MT_TXD1_ETH_802_3 BIT(20)
+#define MT_TXD1_HDR_INFO GENMASK(20, 16)
+#define MT_TXD1_HDR_FORMAT GENMASK(15, 14)
+#define MT_TXD1_TGID GENMASK(13, 12)
+#define MT_TXD1_WLAN_IDX GENMASK(11, 0)
+
+#define MT_TXD2_POWER_OFFSET GENMASK(31, 26)
+#define MT_TXD2_MAX_TX_TIME GENMASK(25, 16)
+#define MT_TXD2_FRAG GENMASK(15, 14)
+#define MT_TXD2_HTC_VLD BIT(13)
+#define MT_TXD2_DURATION BIT(12)
+#define MT_TXD2_HDR_PAD GENMASK(11, 10)
+#define MT_TXD2_RTS BIT(9)
+#define MT_TXD2_OWN_MAC_MAP BIT(8)
+#define MT_TXD2_BF_TYPE GENMASK(6, 7)
+#define MT_TXD2_FRAME_TYPE GENMASK(5, 4)
+#define MT_TXD2_SUB_TYPE GENMASK(3, 0)
+
+#define MT_TXD3_SN_VALID BIT(31)
+#define MT_TXD3_PN_VALID BIT(30)
+#define MT_TXD3_SW_POWER_MGMT BIT(29)
+#define MT_TXD3_BA_DISABLE BIT(28)
+#define MT_TXD3_SEQ GENMASK(27, 16)
+#define MT_TXD3_REM_TX_COUNT GENMASK(15, 11)
+#define MT_TXD3_TX_COUNT GENMASK(10, 6)
+#define MT_TXD3_HW_AMSDU BIT(5)
+#define MT_TXD3_BCM BIT(4)
+#define MT_TXD3_EEOSP BIT(3)
+#define MT_TXD3_EMRD BIT(2)
+#define MT_TXD3_PROTECT_FRAME BIT(1)
+#define MT_TXD3_NO_ACK BIT(0)
+
+#define MT_TXD4_PN_LOW GENMASK(31, 0)
+
+#define MT_TXD5_PN_HIGH GENMASK(31, 16)
+#define MT_TXD5_FL BIT(15)
+#define MT_TXD5_BYPASS_TBB BIT(14)
+#define MT_TXD5_BYPASS_RBB BIT(13)
+#define MT_TXD5_BSS_COLOR_ZERO BIT(12)
+#define MT_TXD5_TX_STATUS_HOST BIT(10)
+#define MT_TXD5_TX_STATUS_MCU BIT(9)
+#define MT_TXD5_TX_STATUS_FMT BIT(8)
+#define MT_TXD5_PID GENMASK(7, 0)
+
+#define MT_TXD6_TX_SRC GENMASK(31, 30)
+#define MT_TXD6_VTA BIT(28)
+#define MT_TXD6_FIXED_BW BIT(25)
+#define MT_TXD6_BW GENMASK(24, 22)
+#define MT_TXD6_TX_RATE GENMASK(21, 16)
+#define MT_TXD6_TIMESTAMP_OFS_EN BIT(15)
+#define MT_TXD6_TIMESTAMP_OFS_IDX GENMASK(14, 10)
+#define MT_TXD6_MSDU_CNT GENMASK(9, 4)
+#define MT_TXD6_SPE_ID_IDX BIT(10)
+#define MT_TXD6_ANT_ID GENMASK(7, 4)
+#define MT_TXD6_DIS_MAT BIT(3)
+#define MT_TXD6_DAS BIT(2)
+#define MT_TXD6_AMSDU_CAP BIT(1)
+
+#define MT_TXD7_TXD_LEN GENMASK(31, 30)
+#define MT_TXD7_IP_SUM BIT(29)
+#define MT_TXD7_DROP_BY_SDO BIT(28)
+#define MT_TXD7_MAC_TXD BIT(27)
+#define MT_TXD7_CTXD BIT(26)
+#define MT_TXD7_CTXD_CNT GENMASK(25, 22)
+#define MT_TXD7_UDP_TCP_SUM BIT(15)
+#define MT_TXD7_TX_TIME GENMASK(9, 0)
+
+#define MT_TX_RATE_STBC BIT(13)
+#define MT_TX_RATE_NSS GENMASK(13, 10)
+#define MT_TX_RATE_MODE GENMASK(9, 6)
+#define MT_TX_RATE_SU_EXT_TONE BIT(5)
+#define MT_TX_RATE_DCM BIT(4)
+/* VHT/HE only use bits 0-3 */
+#define MT_TX_RATE_IDX GENMASK(5, 0)
+
+struct mt7996_txp {
+ __le16 flags;
+ __le16 token;
+ u8 bss_idx;
+ __le16 rept_wds_wcid;
+ u8 nbuf;
+#define MT_TXP_MAX_BUF_NUM 6
+ __le32 buf[MT_TXP_MAX_BUF_NUM];
+ __le16 len[MT_TXP_MAX_BUF_NUM];
+} __packed __aligned(4);
+
+#define MT_TXFREE0_PKT_TYPE GENMASK(31, 27)
+#define MT_TXFREE0_MSDU_CNT GENMASK(25, 16)
+#define MT_TXFREE0_RX_BYTE GENMASK(15, 0)
+
+#define MT_TXFREE1_VER GENMASK(18, 16)
+
+#define MT_TXFREE_INFO_PAIR BIT(31)
+#define MT_TXFREE_INFO_HEADER BIT(30)
+#define MT_TXFREE_INFO_WLAN_ID GENMASK(23, 12)
+#define MT_TXFREE_INFO_MSDU_ID GENMASK(14, 0)
+
+#define MT_TXS0_BW GENMASK(31, 29)
+#define MT_TXS0_TID GENMASK(28, 26)
+#define MT_TXS0_AMPDU BIT(25)
+#define MT_TXS0_TXS_FORMAT GENMASK(24, 23)
+#define MT_TXS0_BA_ERROR BIT(22)
+#define MT_TXS0_PS_FLAG BIT(21)
+#define MT_TXS0_TXOP_TIMEOUT BIT(20)
+#define MT_TXS0_BIP_ERROR BIT(19)
+
+#define MT_TXS0_QUEUE_TIMEOUT BIT(18)
+#define MT_TXS0_RTS_TIMEOUT BIT(17)
+#define MT_TXS0_ACK_TIMEOUT BIT(16)
+#define MT_TXS0_ACK_ERROR_MASK GENMASK(18, 16)
+
+#define MT_TXS0_TX_STATUS_HOST BIT(15)
+#define MT_TXS0_TX_STATUS_MCU BIT(14)
+#define MT_TXS0_TX_RATE GENMASK(13, 0)
+
+#define MT_TXS1_SEQNO GENMASK(31, 20)
+#define MT_TXS1_RESP_RATE GENMASK(19, 16)
+#define MT_TXS1_RXV_SEQNO GENMASK(15, 8)
+#define MT_TXS1_TX_POWER_DBM GENMASK(7, 0)
+
+#define MT_TXS2_BF_STATUS GENMASK(31, 30)
+#define MT_TXS2_BAND GENMASK(29, 28)
+#define MT_TXS2_WCID GENMASK(27, 16)
+#define MT_TXS2_TX_DELAY GENMASK(15, 0)
+
+#define MT_TXS3_PID GENMASK(31, 24)
+#define MT_TXS3_RATE_STBC BIT(7)
+#define MT_TXS3_FIXED_RATE BIT(6)
+#define MT_TXS3_SRC GENMASK(5, 4)
+#define MT_TXS3_SHARED_ANTENNA BIT(3)
+#define MT_TXS3_LAST_TX_RATE GENMASK(2, 0)
+
+#define MT_TXS4_TIMESTAMP GENMASK(31, 0)
+
+#define MT_TXS5_F0_FINAL_MPDU BIT(31)
+#define MT_TXS5_F0_QOS BIT(30)
+#define MT_TXS5_F0_TX_COUNT GENMASK(29, 25)
+#define MT_TXS5_F0_FRONT_TIME GENMASK(24, 0)
+#define MT_TXS5_F1_MPDU_TX_COUNT GENMASK(31, 24)
+#define MT_TXS5_F1_MPDU_TX_BYTES GENMASK(23, 0)
+
+#define MT_TXS6_F0_NOISE_3 GENMASK(31, 24)
+#define MT_TXS6_F0_NOISE_2 GENMASK(23, 16)
+#define MT_TXS6_F0_NOISE_1 GENMASK(15, 8)
+#define MT_TXS6_F0_NOISE_0 GENMASK(7, 0)
+#define MT_TXS6_F1_MPDU_FAIL_COUNT GENMASK(31, 24)
+#define MT_TXS6_F1_MPDU_FAIL_BYTES GENMASK(23, 0)
+
+#define MT_TXS7_F0_RCPI_3 GENMASK(31, 24)
+#define MT_TXS7_F0_RCPI_2 GENMASK(23, 16)
+#define MT_TXS7_F0_RCPI_1 GENMASK(15, 8)
+#define MT_TXS7_F0_RCPI_0 GENMASK(7, 0)
+#define MT_TXS7_F1_MPDU_RETRY_COUNT GENMASK(31, 24)
+#define MT_TXS7_F1_MPDU_RETRY_BYTES GENMASK(23, 0)
+
+struct mt7996_dfs_pulse {
+ u32 max_width; /* us */
+ int max_pwr; /* dbm */
+ int min_pwr; /* dbm */
+ u32 min_stgr_pri; /* us */
+ u32 max_stgr_pri; /* us */
+ u32 min_cr_pri; /* us */
+ u32 max_cr_pri; /* us */
+};
+
+struct mt7996_dfs_pattern {
+ u8 enb;
+ u8 stgr;
+ u8 min_crpn;
+ u8 max_crpn;
+ u8 min_crpr;
+ u8 min_pw;
+ u32 min_pri;
+ u32 max_pri;
+ u8 max_pw;
+ u8 min_crbn;
+ u8 max_crbn;
+ u8 min_stgpn;
+ u8 max_stgpn;
+ u8 min_stgpr;
+ u8 rsv[2];
+ u32 min_stgpr_diff;
+} __packed;
+
+struct mt7996_dfs_radar_spec {
+ struct mt7996_dfs_pulse pulse_th;
+ struct mt7996_dfs_pattern radar_pattern[16];
+};
+
+static inline struct mt7996_txp *
+mt7996_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+ u8 *txwi;
+
+ if (!t)
+ return NULL;
+
+ txwi = mt76_get_txwi_ptr(dev, t);
+
+ return (struct mt7996_txp *)(txwi + MT_TXD_SIZE);
+}
+
+#endif
--
2.25.1
