(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)
Co-developed-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Deren Wu <deren.wu@xxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7925/main.c | 1471 +++++++++++++++++
1 file changed, 1471 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7925/main.c
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
new file mode 100644
index 000000000000..d8eec184c2f3
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c
@@ -0,0 +1,1471 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2023 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <net/ipv6.h>
+#include "mt7925.h"
+#include "mcu.h"
+#include "mac.h"
+
+static void
+mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
+ struct ieee80211_sband_iftype_data *data,
+ enum nl80211_iftype iftype)
+{
+ struct ieee80211_sta_he_cap *he_cap = &data->he_cap;
+ struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem;
+ struct ieee80211_he_mcs_nss_supp *he_mcs = &he_cap->he_mcs_nss_supp;
+ int i, nss = hweight8(phy->mt76->antenna_mask);
+ u16 mcs_map = 0;
+
+ for (i = 0; i < 8; i++) {
+ if (i < nss)
+ mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
+ else
+ mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
+ }
+
+ he_cap->has_he = true;
+
+ he_cap_elem->mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE;
+ he_cap_elem->mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
+ he_cap_elem->mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
+
+ if (band == NL80211_BAND_2GHZ)
+ he_cap_elem->phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
+ else
+ he_cap_elem->phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+
+ he_cap_elem->phy_cap_info[1] =
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
+ he_cap_elem->phy_cap_info[2] =
+ IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
+ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
+ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
+ IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
+ IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
+
+ switch (i) {
+ case NL80211_IFTYPE_AP:
+ 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[4] |=
+ 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;
+ he_cap_elem->phy_cap_info[5] |=
+ IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
+ IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
+ he_cap_elem->phy_cap_info[6] |=
+ IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
+ IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
+ IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
+ IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
+ he_cap_elem->phy_cap_info[7] |=
+ IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
+ IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
+ he_cap_elem->phy_cap_info[8] |=
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
+ IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
+ IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
+ IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
+ IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
+ IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
+ break;
+ default:
+ break;
+ }
+
+ he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
+ he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
+
+ 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) {
+ mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss);
+ } else {
+ he_cap_elem->phy_cap_info[9] |=
+ u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
+ IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
+ }
+
+ if (band == NL80211_BAND_6GHZ) {
+ u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
+ IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+
+ cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_0_5,
+ IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
+ u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
+ IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
+ u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
+ IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
+
+ data->he_6ghz_capa.capa = cpu_to_le16(cap);
+ }
+}
+
+static void
+mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,
+ struct ieee80211_sband_iftype_data *data,
+ enum nl80211_iftype iftype)
+{
+ struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap;
+ struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;
+ struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp;
+ enum nl80211_chan_width width = phy->mt76->chandef.width;
+ int nss = hweight8(phy->mt76->antenna_mask);
+ int sts = hweight16(phy->mt76->chainmask);
+ u8 val;
+
+ if (!phy->dev->has_eht)
+ return;
+
+ eht_cap->has_eht = true;
+
+ eht_cap_elem->mac_cap_info[0] =
+ IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
+ IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
+
+ eht_cap_elem->phy_cap_info[0] =
+ IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
+ IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
+ IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
+
+ eht_cap_elem->phy_cap_info[0] |=
+ u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
+ IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
+
+ eht_cap_elem->phy_cap_info[1] =
+ u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
+ IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
+ u8_encode_bits(sts - 1,
+ IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);
+
+ eht_cap_elem->phy_cap_info[2] =
+ u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |
+ u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK);
+
+ eht_cap_elem->phy_cap_info[3] =
+ IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
+ IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
+ IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
+ IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
+ IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
+ IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
+ IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;
+
+ eht_cap_elem->phy_cap_info[4] =
+ u8_encode_bits(min_t(int, sts - 1, 2),
+ IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);
+
+ eht_cap_elem->phy_cap_info[5] =
+ IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
+ u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,
+ IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |
+ u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),
+ IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK);
+
+ val = width == NL80211_CHAN_WIDTH_160 ? 0x7 :
+ width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1;
+ eht_cap_elem->phy_cap_info[6] =
+ u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)),
+ IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |
+ u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);
+
+ eht_cap_elem->phy_cap_info[7] =
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
+ IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
+ IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ;
+
+ val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |
+ u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);
+
+ eht_nss->bw._80.rx_tx_mcs9_max_nss = val;
+ eht_nss->bw._80.rx_tx_mcs11_max_nss = val;
+ eht_nss->bw._80.rx_tx_mcs13_max_nss = val;
+ eht_nss->bw._160.rx_tx_mcs9_max_nss = val;
+ eht_nss->bw._160.rx_tx_mcs11_max_nss = val;
+ eht_nss->bw._160.rx_tx_mcs13_max_nss = val;
+}
+
+static void
+__mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy,
+ struct ieee80211_supported_band *sband,
+ enum nl80211_band band)
+{
+ struct ieee80211_sband_iftype_data *data = phy->iftype[band];
+ int i, n = 0;
+
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+ switch (i) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ break;
+ default:
+ continue;
+ }
+
+ data[n].types_mask = BIT(i);
+ mt7925_init_he_caps(phy, band, &data[n], i);
+ mt7925_init_eht_caps(phy, band, &data[n], i);
+
+ n++;
+ }
+
+ _ieee80211_set_sband_iftype_data(sband, data, n);
+}
+
+void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy)
+{
+ if (phy->mt76->cap.has_2ghz)
+ __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,
+ NL80211_BAND_2GHZ);
+
+ if (phy->mt76->cap.has_5ghz)
+ __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,
+ NL80211_BAND_5GHZ);
+
+ if (phy->mt76->cap.has_6ghz)
+ __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,
+ NL80211_BAND_6GHZ);
+}
+
+int __mt7925_start(struct mt792x_phy *phy)
+{
+ struct mt76_phy *mphy = phy->mt76;
+ int err;
+
+ err = mt7925_mcu_set_channel_domain(mphy);
+ if (err)
+ return err;
+
+ err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
+ if (err)
+ return err;
+
+ err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);
+ if (err)
+ return err;
+
+ mt792x_mac_reset_counters(phy);
+ set_bit(MT76_STATE_RUNNING, &mphy->state);
+
+ ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
+ MT792x_WATCHDOG_TIME);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(__mt7925_start);
+
+static int mt7925_start(struct ieee80211_hw *hw)
+{
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+ int err;
+
+ mt792x_mutex_acquire(phy->dev);
+ err = __mt7925_start(phy);
+ mt792x_mutex_release(phy->dev);
+
+ return err;
+}
+
+void mt7925_stop(struct ieee80211_hw *hw)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ cancel_delayed_work_sync(&phy->mt76->mac_work);
+
+ cancel_delayed_work_sync(&dev->pm.ps_work);
+ cancel_work_sync(&dev->pm.wake_work);
+ cancel_work_sync(&dev->reset_work);
+ mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
+
+ mt792x_mutex_acquire(dev);
+ clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ mt792x_mutex_release(dev);
+}
+EXPORT_SYMBOL_GPL(mt7925_stop);
+
+static int
+mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+ struct mt76_txq *mtxq;
+ int idx, ret = 0;
+
+ mt792x_mutex_acquire(dev);
+
+ mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
+ if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ mvif->mt76.omac_idx = mvif->mt76.idx;
+ mvif->phy = phy;
+ mvif->mt76.band_idx = 0;
+ mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
+
+ if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
+ mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
+ else
+ mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
+
+ ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
+ true);
+ if (ret)
+ goto out;
+
+ dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
+ phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
+
+ idx = MT792x_WTBL_RESERVED - mvif->mt76.idx;
+
+ INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
+ mvif->sta.wcid.idx = idx;
+ mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
+ mvif->sta.wcid.hw_key_idx = -1;
+ mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
+ mt76_wcid_init(&mvif->sta.wcid);
+
+ mt7925_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ ewma_rssi_init(&mvif->rssi);
+
+ rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
+ if (vif->txq) {
+ mtxq = (struct mt76_txq *)vif->txq->drv_priv;
+ mtxq->wcid = idx;
+ }
+
+ vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
+out:
+ mt792x_mutex_release(dev);
+
+ return ret;
+}
+
+static void mt7925_roc_iter(void *priv, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_phy *phy = priv;
+
+ mt7925_mcu_abort_roc(phy, mvif, phy->roc_token_id);
+}
+
+void mt7925_roc_work(struct work_struct *work)
+{
+ struct mt792x_phy *phy;
+
+ phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
+ roc_work);
+
+ if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
+ return;
+
+ mt792x_mutex_acquire(phy->dev);
+ ieee80211_iterate_active_interfaces(phy->mt76->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7925_roc_iter, phy);
+ mt792x_mutex_release(phy->dev);
+ ieee80211_remain_on_channel_expired(phy->mt76->hw);
+}
+
+static int mt7925_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif)
+{
+ int err = 0;
+
+ del_timer_sync(&phy->roc_timer);
+ cancel_work_sync(&phy->roc_work);
+
+ mt792x_mutex_acquire(phy->dev);
+ if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
+ err = mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id);
+ mt792x_mutex_release(phy->dev);
+
+ return err;
+}
+
+static int mt7925_set_roc(struct mt792x_phy *phy,
+ struct mt792x_vif *vif,
+ struct ieee80211_channel *chan,
+ int duration,
+ enum mt7925_roc_req type)
+{
+ int err;
+
+ if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
+ return -EBUSY;
+
+ phy->roc_grant = false;
+
+ err = mt7925_mcu_set_roc(phy, vif, chan, duration, type,
+ ++phy->roc_token_id);
+ if (err < 0) {
+ clear_bit(MT76_STATE_ROC, &phy->mt76->state);
+ goto out;
+ }
+
+ if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
+ mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id);
+ clear_bit(MT76_STATE_ROC, &phy->mt76->state);
+ err = -ETIMEDOUT;
+ }
+
+out:
+ return err;
+}
+
+static int mt7925_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan,
+ int duration,
+ enum ieee80211_roc_type type)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+ int err;
+
+ mt792x_mutex_acquire(phy->dev);
+ err = mt7925_set_roc(phy, mvif, chan, duration, MT7925_ROC_REQ_ROC);
+ mt792x_mutex_release(phy->dev);
+
+ return err;
+}
+
+static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ return mt7925_abort_roc(phy, mvif);
+}
+
+static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
+ &mvif->sta;
+ struct mt76_wcid *wcid = &msta->wcid;
+ u8 *wcid_keyidx = &wcid->hw_key_idx;
+ int idx = key->keyidx, err = 0;
+
+ /* The hardware does not support per-STA RX GTK, fallback
+ * to software mode for these.
+ */
+ if ((vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT) &&
+ (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+ key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -EOPNOTSUPP;
+
+ /* fall back to sw encryption for unsupported ciphers */
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
+ wcid_keyidx = &wcid->hw_key_idx2;
+ break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ if (!mvif->wep_sta)
+ return -EOPNOTSUPP;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ case WLAN_CIPHER_SUITE_SMS4:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ mt792x_mutex_acquire(dev);
+
+ if (cmd == SET_KEY && !mvif->mt76.cipher) {
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
+ mt7925_mcu_add_bss_info(phy, mvif->mt76.ctx, vif, sta, true);
+ }
+
+ if (cmd == SET_KEY)
+ *wcid_keyidx = idx;
+ else if (idx == *wcid_keyidx)
+ *wcid_keyidx = -1;
+ else
+ goto out;
+
+ mt76_wcid_key_setup(&dev->mt76, wcid,
+ cmd == SET_KEY ? key : NULL);
+
+ err = mt7925_mcu_add_key(&dev->mt76, vif, &msta->bip,
+ key, MCU_UNI_CMD(STA_REC_UPDATE),
+ &msta->wcid, cmd);
+
+ if (err)
+ goto out;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
+ key->cipher == WLAN_CIPHER_SUITE_WEP40)
+ err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip,
+ key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
+ &mvif->wep_sta->wcid, cmd);
+
+out:
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static void
+mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct mt792x_dev *dev = priv;
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ bool pm_enable = dev->pm.enable;
+ int err;
+
+ err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);
+ if (err < 0)
+ return;
+
+ if (pm_enable) {
+ vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
+ ieee80211_hw_set(hw, CONNECTION_MONITOR);
+ } else {
+ vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
+ __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
+ }
+}
+
+static void
+mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct mt792x_dev *dev = priv;
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ struct mt76_connac_pm *pm = &dev->pm;
+ bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
+
+ mt7925_mcu_set_sniffer(dev, vif, monitor);
+ pm->enable = pm->enable_user && !monitor;
+ pm->ds_enable = pm->ds_enable_user && !monitor;
+
+ mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
+
+ if (monitor)
+ mt7925_mcu_set_beacon_filter(dev, vif, false);
+}
+
+void mt7925_set_runtime_pm(struct mt792x_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ struct mt76_connac_pm *pm = &dev->pm;
+ bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
+
+ pm->enable = pm->enable_user && !monitor;
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7925_pm_interface_iter, dev);
+ pm->ds_enable = pm->ds_enable_user && !monitor;
+ mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
+}
+
+static int mt7925_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ int ret = 0;
+
+ mt792x_mutex_acquire(dev);
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ ret = mt7925_set_tx_sar_pwr(hw, NULL);
+ if (ret)
+ goto out;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7925_sniffer_interface_iter, dev);
+ }
+
+out:
+ mt792x_mutex_release(dev);
+
+ return ret;
+}
+
+static void mt7925_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+#define MT7925_FILTER_FCSFAIL BIT(2)
+#define MT7925_FILTER_CONTROL BIT(5)
+#define MT7925_FILTER_OTHER_BSS BIT(6)
+#define MT7925_FILTER_ENABLE BIT(31)
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ u32 flags = MT7925_FILTER_ENABLE;
+
+#define MT7925_FILTER(_fif, _type) do { \
+ if (*total_flags & (_fif)) \
+ flags |= MT7925_FILTER_##_type; \
+ } while (0)
+
+ MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
+ MT7925_FILTER(FIF_CONTROL, CONTROL);
+ MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
+
+ mt792x_mutex_acquire(dev);
+ mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
+ mt792x_mutex_release(dev);
+
+ *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
+}
+
+static u8
+mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ bool beacon, bool mcast)
+{
+ struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+ struct mt76_phy *mphy = hw->priv;
+ u16 rate;
+ u8 i, idx, ht;
+
+ rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
+ ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
+
+ if (beacon && ht) {
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ /* must odd index */
+ idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
+ mt7925_mac_set_fixed_rate_table(dev, idx, rate);
+ return idx;
+ }
+
+ idx = FIELD_GET(MT_TX_RATE_IDX, rate);
+ for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
+ if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
+ return MT792x_BASIC_RATES_TBL + i;
+
+ return mvif->basic_rates_idx;
+}
+
+static void mt7925_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u64 changed)
+{
+ struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt792x_mutex_acquire(dev);
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ int slottime = info->use_short_slot ? 9 : 20;
+
+ if (slottime != phy->slottime) {
+ phy->slottime = slottime;
+ mt792x_mac_set_timeing(phy);
+ }
+ }
+
+ if (changed & BSS_CHANGED_MCAST_RATE)
+ mvif->mcast_rates_idx =
+ mt7925_get_rates_table(hw, vif, false, true);
+
+ if (changed & BSS_CHANGED_BASIC_RATES)
+ mvif->basic_rates_idx =
+ mt7925_get_rates_table(hw, vif, false, false);
+
+ if (changed & (BSS_CHANGED_BEACON |
+ BSS_CHANGED_BEACON_ENABLED)) {
+ mvif->beacon_rates_idx =
+ mt7925_get_rates_table(hw, vif, true, false);
+
+ mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
+ info->enable_beacon);
+ }
+
+ /* ensure that enable txcmd_mode after bss_info */
+ if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
+ mt7925_mcu_set_tx(dev, vif);
+
+ if (changed & BSS_CHANGED_PS)
+ mt7925_mcu_uni_bss_ps(dev, vif);
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ mt7925_mcu_sta_update(dev, NULL, vif, true,
+ MT76_STA_INFO_STATE_ASSOC);
+ mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
+ }
+
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+
+ mt7925_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info);
+ }
+
+ mt792x_mutex_release(dev);
+}
+
+int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
+ struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ int ret, idx;
+
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
+ if (idx < 0)
+ return -ENOSPC;
+
+ INIT_LIST_HEAD(&msta->wcid.poll_list);
+ msta->vif = mvif;
+ msta->wcid.sta = 1;
+ msta->wcid.idx = idx;
+ msta->wcid.phy_idx = mvif->mt76.band_idx;
+ msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
+ msta->last_txs = jiffies;
+
+ ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
+ if (ret)
+ return ret;
+
+ if (vif->type == NL80211_IFTYPE_STATION)
+ mvif->wep_sta = msta;
+
+ mt7925_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ /* should update bss info before STA add */
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
+ mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
+ false);
+
+ ret = mt7925_mcu_sta_update(dev, sta, vif, true,
+ MT76_STA_INFO_STATE_NONE);
+ if (ret)
+ return ret;
+
+ mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
+
+void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
+ struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+
+ mt792x_mutex_acquire(dev);
+
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
+ mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
+ true);
+
+ ewma_avg_signal_init(&msta->avg_ack_signal);
+
+ mt7925_mac_wtbl_update(dev, msta->wcid.idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+
+ mt7925_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
+
+ mt792x_mutex_release(dev);
+}
+EXPORT_SYMBOL_GPL(mt7925_mac_sta_assoc);
+
+void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
+ struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
+
+ mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
+ mt76_connac_pm_wake(&dev->mphy, &dev->pm);
+
+ mt7925_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
+ mt7925_mac_wtbl_update(dev, msta->wcid.idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+
+ mvif->wep_sta = NULL;
+ ewma_rssi_init(&mvif->rssi);
+ if (!sta->tdls)
+ mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
+ false);
+ }
+
+ spin_lock_bh(&mdev->sta_poll_lock);
+ if (!list_empty(&msta->wcid.poll_list))
+ list_del_init(&msta->wcid.poll_list);
+ spin_unlock_bh(&mdev->sta_poll_lock);
+
+ mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
+}
+EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
+
+static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt792x_mutex_acquire(dev);
+ mt7925_mcu_set_rts_thresh(&dev->phy, val);
+ mt792x_mutex_release(dev);
+
+ return 0;
+}
+
+static int
+mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct ieee80211_sta *sta = params->sta;
+ struct ieee80211_txq *txq = sta->txq[params->tid];
+ struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
+ u16 tid = params->tid;
+ u16 ssn = params->ssn;
+ struct mt76_txq *mtxq;
+ int ret = 0;
+
+ if (!txq)
+ return -EINVAL;
+
+ mtxq = (struct mt76_txq *)txq->drv_priv;
+
+ mt792x_mutex_acquire(dev);
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
+ params->buf_size);
+ mt7925_mcu_uni_rx_ba(dev, params, true);
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
+ mt7925_mcu_uni_rx_ba(dev, params, false);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ mtxq->aggr = true;
+ mtxq->send_bar = false;
+ mt7925_mcu_uni_tx_ba(dev, params, true);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ mtxq->aggr = false;
+ clear_bit(tid, &msta->wcid.ampdu_state);
+ mt7925_mcu_uni_tx_ba(dev, params, false);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ set_bit(tid, &msta->wcid.ampdu_state);
+ ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
+ break;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ mtxq->aggr = false;
+ clear_bit(tid, &msta->wcid.ampdu_state);
+ mt7925_mcu_uni_tx_ba(dev, params, false);
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ }
+ mt792x_mutex_release(dev);
+
+ return ret;
+}
+
+static bool is_valid_alpha2(const char *alpha2)
+{
+ if (!alpha2)
+ return false;
+
+ if (alpha2[0] == '0' && alpha2[1] == '0')
+ return true;
+
+ if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
+ return true;
+
+ return false;
+}
+
+void mt7925_scan_work(struct work_struct *work)
+{
+ struct mt792x_phy *phy;
+
+ phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
+ scan_work.work);
+
+ while (true) {
+ struct mt76_dev *mdev = &phy->dev->mt76;
+ struct sk_buff *skb;
+ struct tlv *tlv;
+ int tlv_len;
+
+ spin_lock_bh(&phy->dev->mt76.lock);
+ skb = __skb_dequeue(&phy->scan_event_list);
+ spin_unlock_bh(&phy->dev->mt76.lock);
+
+ if (!skb)
+ break;
+
+ skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
+ tlv = (struct tlv *)skb->data;
+ tlv_len = skb->len;
+
+ while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
+ struct mt7925_mcu_scan_chinfo_event *evt;
+
+ switch (le16_to_cpu(tlv->tag)) {
+ case UNI_EVENT_SCAN_DONE_BASIC:
+ if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
+ ieee80211_scan_completed(phy->mt76->hw, &info);
+ }
+ break;
+ case UNI_EVENT_SCAN_DONE_CHNLINFO:
+ evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
+
+ if (!is_valid_alpha2(evt->alpha2))
+ break;
+
+ if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
+ break;
+
+ mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
+
+ break;
+ case UNI_EVENT_SCAN_DONE_NLO:
+ ieee80211_sched_scan_results(phy->mt76->hw);
+ break;
+ default:
+ break;
+ }
+
+ tlv_len -= le16_to_cpu(tlv->len);
+ tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
+ }
+
+ dev_kfree_skb(skb);
+ }
+}
+
+static int
+mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *req)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+ int err;
+
+ mt792x_mutex_acquire(dev);
+ err = mt7925_mcu_hw_scan(mphy, vif, req);
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static void
+mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+
+ mt792x_mutex_acquire(dev);
+ mt7925_mcu_cancel_hw_scan(mphy, vif);
+ mt792x_mutex_release(dev);
+}
+
+static int
+mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *req,
+ struct ieee80211_scan_ies *ies)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+ int err;
+
+ mt792x_mutex_acquire(dev);
+
+ err = mt7925_mcu_sched_scan_req(mphy, vif, req);
+ if (err < 0)
+ goto out;
+
+ err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
+out:
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static int
+mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+ int err;
+
+ mt792x_mutex_acquire(dev);
+ err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static int
+mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+ int max_nss = hweight8(hw->wiphy->available_antennas_tx);
+
+ if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
+ return -EINVAL;
+
+ if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
+ tx_ant = BIT(ffs(tx_ant) - 1) - 1;
+
+ mt792x_mutex_acquire(dev);
+
+ phy->mt76->antenna_mask = tx_ant;
+ phy->mt76->chainmask = tx_ant;
+
+ mt76_set_stream_caps(phy->mt76, true);
+ mt7925_set_stream_he_eht_caps(phy);
+
+ /* TODO: update bmc_wtbl spe_idx when antenna changes */
+ mt792x_mutex_release(dev);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int mt7925_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ cancel_delayed_work_sync(&phy->scan_work);
+ cancel_delayed_work_sync(&phy->mt76->mac_work);
+
+ cancel_delayed_work_sync(&dev->pm.ps_work);
+ mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
+
+ mt792x_mutex_acquire(dev);
+
+ clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7925_mcu_set_suspend_iter,
+ &dev->mphy);
+
+ mt792x_mutex_release(dev);
+
+ return 0;
+}
+
+static int mt7925_resume(struct ieee80211_hw *hw)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ mt792x_mutex_acquire(dev);
+
+ set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7925_mcu_set_suspend_iter,
+ &dev->mphy);
+
+ ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
+ MT792x_WATCHDOG_TIME);
+
+ mt792x_mutex_release(dev);
+
+ return 0;
+}
+
+static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt792x_mutex_acquire(dev);
+ mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
+ mt792x_mutex_release(dev);
+}
+#endif /* CONFIG_PM */
+
+static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ bool enabled)
+{
+ struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt792x_mutex_acquire(dev);
+
+ if (enabled)
+ set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+ else
+ clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+
+ mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta);
+
+ mt792x_mutex_release(dev);
+}
+
+#if IS_ENABLED(CONFIG_IPV6)
+static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct inet6_dev *idev)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_dev *dev = mvif->phy->dev;
+ struct inet6_ifaddr *ifa;
+ struct sk_buff *skb;
+ u8 idx = 0;
+
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct mt7925_arpns_tlv arpns;
+ struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
+ } req_hdr = {
+ .hdr = {
+ .bss_idx = mvif->mt76.idx,
+ },
+ .arpns = {
+ .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
+ .len = cpu_to_le16(sizeof(req_hdr) - 4),
+ .enable = true,
+ },
+ };
+
+ read_lock_bh(&idev->lock);
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ if (ifa->flags & IFA_F_TENTATIVE)
+ continue;
+ req_hdr.ns_addrs[idx] = ifa->addr;
+ if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
+ break;
+ }
+ read_unlock_bh(&idev->lock);
+
+ if (!idx)
+ return;
+
+ req_hdr.arpns.ips_num = idx;
+
+ skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
+ 0, GFP_ATOMIC);
+ if (!skb)
+ return;
+
+ skb_put_data(skb, &req_hdr, sizeof(req_hdr));
+
+ skb_queue_tail(&dev->ipv6_ns_list, skb);
+
+ ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
+}
+#endif
+
+int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
+ const struct cfg80211_sar_specs *sar)
+{
+ struct mt76_phy *mphy = hw->priv;
+
+ if (sar) {
+ int err = mt76_init_sar_power(hw, sar);
+
+ if (err)
+ return err;
+ }
+ mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
+
+ return mt7925_mcu_set_rate_txpower(mphy);
+}
+
+static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
+ const struct cfg80211_sar_specs *sar)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ int err;
+
+ mt792x_mutex_acquire(dev);
+ err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
+ dev->country_ie_env);
+ if (err < 0)
+ goto out;
+
+ err = mt7925_set_tx_sar_pwr(hw, sar);
+out:
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static void
+mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *chandef)
+{
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt792x_mutex_acquire(dev);
+ mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
+ mt792x_mutex_release(dev);
+}
+
+static int
+mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ int err;
+
+ mt792x_mutex_acquire(dev);
+
+ err = mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL,
+ true);
+ if (err)
+ goto out;
+
+ err = mt7925_mcu_set_bss_pm(dev, vif, true);
+ if (err)
+ goto out;
+
+ err = mt7925_mcu_sta_update(dev, NULL, vif, true,
+ MT76_STA_INFO_STATE_NONE);
+out:
+ mt792x_mutex_release(dev);
+
+ return err;
+}
+
+static void
+mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ int err;
+
+ mt792x_mutex_acquire(dev);
+
+ err = mt7925_mcu_set_bss_pm(dev, vif, false);
+ if (err)
+ goto out;
+
+ mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL,
+ false);
+
+out:
+ mt792x_mutex_release(dev);
+}
+
+static int
+mt7925_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ return 0;
+}
+
+static void
+mt7925_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+}
+
+static void mt7925_ctx_iter(void *priv, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct ieee80211_chanctx_conf *ctx = priv;
+
+ if (ctx != mvif->mt76.ctx)
+ return;
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
+ mt7925_mcu_config_sniffer(mvif, ctx);
+ } else {
+ mt7925_mcu_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx);
+ }
+}
+
+static void
+mt7925_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ struct mt792x_phy *phy = mt792x_hw_phy(hw);
+
+ mt792x_mutex_acquire(phy->dev);
+ ieee80211_iterate_active_interfaces(phy->mt76->hw,
+ IEEE80211_IFACE_ITER_ACTIVE,
+ mt7925_ctx_iter, ctx);
+ mt792x_mutex_release(phy->dev);
+}
+
+static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_prep_tx_info *info)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ u16 duration = info->duration ? info->duration :
+ jiffies_to_msecs(HZ);
+
+ mt792x_mutex_acquire(dev);
+ mt7925_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration,
+ MT7925_ROC_REQ_JOIN);
+ mt792x_mutex_release(dev);
+}
+
+static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_prep_tx_info *info)
+{
+ struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+
+ mt7925_abort_roc(mvif->phy, mvif);
+}
+
+const struct ieee80211_ops mt7925_ops = {
+ .tx = mt792x_tx,
+ .start = mt7925_start,
+ .stop = mt7925_stop,
+ .add_interface = mt7925_add_interface,
+ .remove_interface = mt792x_remove_interface,
+ .config = mt7925_config,
+ .conf_tx = mt792x_conf_tx,
+ .configure_filter = mt7925_configure_filter,
+ .bss_info_changed = mt7925_bss_info_changed,
+ .start_ap = mt7925_start_ap,
+ .stop_ap = mt7925_stop_ap,
+ .sta_state = mt76_sta_state,
+ .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
+ .set_key = mt7925_set_key,
+ .sta_set_decap_offload = mt7925_sta_set_decap_offload,
+#if IS_ENABLED(CONFIG_IPV6)
+ .ipv6_addr_change = mt7925_ipv6_addr_change,
+#endif /* CONFIG_IPV6 */
+ .ampdu_action = mt7925_ampdu_action,
+ .set_rts_threshold = mt7925_set_rts_threshold,
+ .wake_tx_queue = mt76_wake_tx_queue,
+ .release_buffered_frames = mt76_release_buffered_frames,
+ .channel_switch_beacon = mt7925_channel_switch_beacon,
+ .get_txpower = mt76_get_txpower,
+ .get_stats = mt792x_get_stats,
+ .get_et_sset_count = mt792x_get_et_sset_count,
+ .get_et_strings = mt792x_get_et_strings,
+ .get_et_stats = mt792x_get_et_stats,
+ .get_tsf = mt792x_get_tsf,
+ .set_tsf = mt792x_set_tsf,
+ .get_survey = mt76_get_survey,
+ .get_antenna = mt76_get_antenna,
+ .set_antenna = mt7925_set_antenna,
+ .set_coverage_class = mt792x_set_coverage_class,
+ .hw_scan = mt7925_hw_scan,
+ .cancel_hw_scan = mt7925_cancel_hw_scan,
+ .sta_statistics = mt792x_sta_statistics,
+ .sched_scan_start = mt7925_start_sched_scan,
+ .sched_scan_stop = mt7925_stop_sched_scan,
+#ifdef CONFIG_PM
+ .suspend = mt7925_suspend,
+ .resume = mt7925_resume,
+ .set_wakeup = mt792x_set_wakeup,
+ .set_rekey_data = mt7925_set_rekey_data,
+#endif /* CONFIG_PM */
+ .flush = mt792x_flush,
+ .set_sar_specs = mt7925_set_sar_specs,
+ .remain_on_channel = mt7925_remain_on_channel,
+ .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
+ .add_chanctx = mt7925_add_chanctx,
+ .remove_chanctx = mt7925_remove_chanctx,
+ .change_chanctx = mt7925_change_chanctx,
+ .assign_vif_chanctx = mt792x_assign_vif_chanctx,
+ .unassign_vif_chanctx = mt792x_unassign_vif_chanctx,
+ .mgd_prepare_tx = mt7925_mgd_prepare_tx,
+ .mgd_complete_tx = mt7925_mgd_complete_tx,
+};
+EXPORT_SYMBOL_GPL(mt7925_ops);
+
+MODULE_AUTHOR("Deren Wu <deren.wu@xxxxxxxxxxxx>");
+MODULE_LICENSE("Dual BSD/GPL");
--
2.18.0
