1634 lines
42 KiB
C
1634 lines
42 KiB
C
// SPDX-License-Identifier: ISC
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/* Copyright (C) 2020 MediaTek Inc. */
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#include <linux/etherdevice.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/module.h>
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#include <net/ipv6.h>
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#include "mt7921.h"
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#include "mcu.h"
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static void
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mt7921_gen_ppe_thresh(u8 *he_ppet, int nss)
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{
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u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
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static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
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he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
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FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
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ru_bit_mask);
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ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
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nss * hweight8(ru_bit_mask) * 2;
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ppet_size = DIV_ROUND_UP(ppet_bits, 8);
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for (i = 0; i < ppet_size - 1; i++)
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he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
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he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
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(0xff >> (8 - (ppet_bits - 1) % 8));
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}
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static int
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mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
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struct ieee80211_sband_iftype_data *data)
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{
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int i, idx = 0;
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int nss = hweight8(phy->mt76->chainmask);
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u16 mcs_map = 0;
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for (i = 0; i < 8; i++) {
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if (i < nss)
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mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
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else
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mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
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}
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for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
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struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
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struct ieee80211_he_cap_elem *he_cap_elem =
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&he_cap->he_cap_elem;
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struct ieee80211_he_mcs_nss_supp *he_mcs =
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&he_cap->he_mcs_nss_supp;
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switch (i) {
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case NL80211_IFTYPE_STATION:
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case NL80211_IFTYPE_AP:
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break;
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default:
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continue;
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}
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data[idx].types_mask = BIT(i);
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he_cap->has_he = true;
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he_cap_elem->mac_cap_info[0] =
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IEEE80211_HE_MAC_CAP0_HTC_HE;
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he_cap_elem->mac_cap_info[3] =
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IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
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IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
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he_cap_elem->mac_cap_info[4] =
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IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
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if (band == NL80211_BAND_2GHZ)
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he_cap_elem->phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
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else
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he_cap_elem->phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
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he_cap_elem->phy_cap_info[1] =
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IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
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he_cap_elem->phy_cap_info[2] =
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IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
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IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
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IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
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switch (i) {
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case NL80211_IFTYPE_AP:
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he_cap_elem->mac_cap_info[2] |=
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IEEE80211_HE_MAC_CAP2_BSR;
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he_cap_elem->mac_cap_info[4] |=
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IEEE80211_HE_MAC_CAP4_BQR;
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he_cap_elem->mac_cap_info[5] |=
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IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
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he_cap_elem->phy_cap_info[3] |=
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
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he_cap_elem->phy_cap_info[6] |=
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IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
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IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
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he_cap_elem->phy_cap_info[9] |=
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IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
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IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
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break;
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case NL80211_IFTYPE_STATION:
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he_cap_elem->mac_cap_info[1] |=
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IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
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if (band == NL80211_BAND_2GHZ)
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he_cap_elem->phy_cap_info[0] |=
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
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else
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he_cap_elem->phy_cap_info[0] |=
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
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he_cap_elem->phy_cap_info[1] |=
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IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
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IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
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he_cap_elem->phy_cap_info[3] |=
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
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he_cap_elem->phy_cap_info[4] |=
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IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
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IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
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he_cap_elem->phy_cap_info[5] |=
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IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
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IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
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he_cap_elem->phy_cap_info[6] |=
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IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
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IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
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IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
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IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
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IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
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he_cap_elem->phy_cap_info[7] |=
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IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
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IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
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he_cap_elem->phy_cap_info[8] |=
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IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
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IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
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he_cap_elem->phy_cap_info[9] |=
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IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
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IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
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IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
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IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
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IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
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IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
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if (is_mt7922(phy->mt76->dev)) {
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he_cap_elem->phy_cap_info[0] |=
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
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he_cap_elem->phy_cap_info[8] |=
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IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
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IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
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}
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break;
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}
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he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
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he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
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if (is_mt7922(phy->mt76->dev)) {
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he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
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he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
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}
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memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
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if (he_cap_elem->phy_cap_info[6] &
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IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
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mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss);
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} else {
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he_cap_elem->phy_cap_info[9] |=
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u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
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IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
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}
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if (band == NL80211_BAND_6GHZ) {
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struct ieee80211_supported_band *sband =
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&phy->mt76->sband_5g.sband;
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struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
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struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
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u32 exp;
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u16 cap;
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cap = u16_encode_bits(ht_cap->ampdu_density,
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IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
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exp = u32_get_bits(vht_cap->cap,
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IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
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cap |= u16_encode_bits(exp,
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IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
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exp = u32_get_bits(vht_cap->cap,
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IEEE80211_VHT_CAP_MAX_MPDU_MASK);
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cap |= u16_encode_bits(exp,
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IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
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if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
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cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
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if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
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cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
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data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
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}
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idx++;
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}
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return idx;
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}
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void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
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{
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struct ieee80211_sband_iftype_data *data;
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struct ieee80211_supported_band *band;
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int n;
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if (phy->mt76->cap.has_2ghz) {
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data = phy->iftype[NL80211_BAND_2GHZ];
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n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
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band = &phy->mt76->sband_2g.sband;
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band->iftype_data = data;
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band->n_iftype_data = n;
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}
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if (phy->mt76->cap.has_5ghz) {
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data = phy->iftype[NL80211_BAND_5GHZ];
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n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
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band = &phy->mt76->sband_5g.sband;
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band->iftype_data = data;
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band->n_iftype_data = n;
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if (phy->mt76->cap.has_6ghz) {
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data = phy->iftype[NL80211_BAND_6GHZ];
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n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data);
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band = &phy->mt76->sband_6g.sband;
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band->iftype_data = data;
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band->n_iftype_data = n;
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}
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}
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}
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int __mt7921_start(struct mt7921_phy *phy)
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{
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struct mt76_phy *mphy = phy->mt76;
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int err;
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err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
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if (err)
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return err;
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err = mt76_connac_mcu_set_channel_domain(mphy);
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if (err)
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return err;
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err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
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if (err)
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return err;
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err = mt7921_set_tx_sar_pwr(mphy->hw, NULL);
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if (err)
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return err;
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mt7921_mac_reset_counters(phy);
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set_bit(MT76_STATE_RUNNING, &mphy->state);
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ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
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MT7921_WATCHDOG_TIME);
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return 0;
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}
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EXPORT_SYMBOL_GPL(__mt7921_start);
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static int mt7921_start(struct ieee80211_hw *hw)
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{
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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int err;
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mt7921_mutex_acquire(phy->dev);
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err = __mt7921_start(phy);
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mt7921_mutex_release(phy->dev);
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return err;
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}
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void mt7921_stop(struct ieee80211_hw *hw)
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{
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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cancel_delayed_work_sync(&phy->mt76->mac_work);
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cancel_delayed_work_sync(&dev->pm.ps_work);
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cancel_work_sync(&dev->pm.wake_work);
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cancel_work_sync(&dev->reset_work);
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mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
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mt7921_mutex_acquire(dev);
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clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
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mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
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mt7921_mutex_release(dev);
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}
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EXPORT_SYMBOL_GPL(mt7921_stop);
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static int mt7921_add_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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struct mt76_txq *mtxq;
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int idx, ret = 0;
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mt7921_mutex_acquire(dev);
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mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
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if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) {
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ret = -ENOSPC;
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goto out;
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}
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mvif->mt76.omac_idx = mvif->mt76.idx;
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mvif->phy = phy;
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mvif->mt76.band_idx = 0;
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mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
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ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
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true);
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if (ret)
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goto out;
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dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
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phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
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idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
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INIT_LIST_HEAD(&mvif->sta.poll_list);
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mvif->sta.wcid.idx = idx;
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mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
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mvif->sta.wcid.hw_key_idx = -1;
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mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
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mt76_packet_id_init(&mvif->sta.wcid);
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mt7921_mac_wtbl_update(dev, idx,
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MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
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ewma_rssi_init(&mvif->rssi);
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rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
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if (vif->txq) {
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mtxq = (struct mt76_txq *)vif->txq->drv_priv;
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mtxq->wcid = idx;
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}
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vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
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out:
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mt7921_mutex_release(dev);
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return ret;
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}
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static void mt7921_remove_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct mt7921_sta *msta = &mvif->sta;
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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int idx = msta->wcid.idx;
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mt7921_mutex_acquire(dev);
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mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
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mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false);
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rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
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dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
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phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
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mt7921_mutex_release(dev);
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spin_lock_bh(&dev->sta_poll_lock);
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if (!list_empty(&msta->poll_list))
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list_del_init(&msta->poll_list);
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spin_unlock_bh(&dev->sta_poll_lock);
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mt76_packet_id_flush(&dev->mt76, &msta->wcid);
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}
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static int mt7921_set_channel(struct mt7921_phy *phy)
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{
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struct mt7921_dev *dev = phy->dev;
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int ret;
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cancel_delayed_work_sync(&phy->mt76->mac_work);
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mt7921_mutex_acquire(dev);
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set_bit(MT76_RESET, &phy->mt76->state);
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mt76_set_channel(phy->mt76);
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ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
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if (ret)
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goto out;
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mt7921_mac_set_timing(phy);
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mt7921_mac_reset_counters(phy);
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phy->noise = 0;
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out:
|
|
clear_bit(MT76_RESET, &phy->mt76->state);
|
|
mt7921_mutex_release(dev);
|
|
|
|
mt76_worker_schedule(&dev->mt76.tx_worker);
|
|
ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
|
|
MT7921_WATCHDOG_TIME);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mt7921_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 mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_sta *msta = sta ? (struct mt7921_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;
|
|
}
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
if (cmd == SET_KEY) {
|
|
*wcid_keyidx = idx;
|
|
} else {
|
|
if (idx == *wcid_keyidx)
|
|
*wcid_keyidx = -1;
|
|
goto out;
|
|
}
|
|
|
|
mt76_wcid_key_setup(&dev->mt76, wcid, key);
|
|
err = mt76_connac_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 = mt76_connac_mcu_add_key(&dev->mt76, vif,
|
|
&mvif->wep_sta->bip,
|
|
key, MCU_UNI_CMD(STA_REC_UPDATE),
|
|
&mvif->wep_sta->wcid, cmd);
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_dev *dev = priv;
|
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
|
bool pm_enable = dev->pm.enable;
|
|
int err;
|
|
|
|
err = mt7921_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
|
|
mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_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);
|
|
|
|
mt7921_mcu_set_sniffer(dev, vif, monitor);
|
|
pm->enable = pm->enable_user && !monitor;
|
|
pm->ds_enable = pm->ds_enable_user && !monitor;
|
|
|
|
mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
|
|
|
|
if (monitor)
|
|
mt7921_mcu_set_beacon_filter(dev, vif, false);
|
|
}
|
|
|
|
void mt7921_set_runtime_pm(struct mt7921_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,
|
|
mt7921_pm_interface_iter, dev);
|
|
pm->ds_enable = pm->ds_enable_user && !monitor;
|
|
mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
|
|
}
|
|
|
|
static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
int ret = 0;
|
|
|
|
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
|
|
ieee80211_stop_queues(hw);
|
|
ret = mt7921_set_channel(phy);
|
|
if (ret)
|
|
return ret;
|
|
ieee80211_wake_queues(hw);
|
|
}
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
if (changed & IEEE80211_CONF_CHANGE_POWER) {
|
|
ret = mt7921_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,
|
|
mt7921_sniffer_interface_iter, dev);
|
|
dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0));
|
|
}
|
|
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
unsigned int link_id, u16 queue,
|
|
const struct ieee80211_tx_queue_params *params)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
|
|
/* no need to update right away, we'll get BSS_CHANGED_QOS */
|
|
queue = mt76_connac_lmac_mapping(queue);
|
|
mvif->queue_params[queue] = *params;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt7921_configure_filter(struct ieee80211_hw *hw,
|
|
unsigned int changed_flags,
|
|
unsigned int *total_flags,
|
|
u64 multicast)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
|
|
MT_WF_RFCR1_DROP_BF_POLL |
|
|
MT_WF_RFCR1_DROP_BA |
|
|
MT_WF_RFCR1_DROP_CFEND |
|
|
MT_WF_RFCR1_DROP_CFACK;
|
|
u32 flags = 0;
|
|
|
|
#define MT76_FILTER(_flag, _hw) do { \
|
|
flags |= *total_flags & FIF_##_flag; \
|
|
dev->mt76.rxfilter &= ~(_hw); \
|
|
dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \
|
|
} while (0)
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
dev->mt76.rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
|
|
MT_WF_RFCR_DROP_OTHER_BEACON |
|
|
MT_WF_RFCR_DROP_FRAME_REPORT |
|
|
MT_WF_RFCR_DROP_PROBEREQ |
|
|
MT_WF_RFCR_DROP_MCAST_FILTERED |
|
|
MT_WF_RFCR_DROP_MCAST |
|
|
MT_WF_RFCR_DROP_BCAST |
|
|
MT_WF_RFCR_DROP_DUPLICATE |
|
|
MT_WF_RFCR_DROP_A2_BSSID |
|
|
MT_WF_RFCR_DROP_UNWANTED_CTL |
|
|
MT_WF_RFCR_DROP_STBC_MULTI);
|
|
|
|
MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
|
|
MT_WF_RFCR_DROP_A3_MAC |
|
|
MT_WF_RFCR_DROP_A3_BSSID);
|
|
|
|
MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
|
|
|
|
MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
|
|
MT_WF_RFCR_DROP_RTS |
|
|
MT_WF_RFCR_DROP_CTL_RSV |
|
|
MT_WF_RFCR_DROP_NDPA);
|
|
|
|
*total_flags = flags;
|
|
mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
|
|
|
|
if (*total_flags & FIF_CONTROL)
|
|
mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags);
|
|
else
|
|
mt76_set(dev, MT_WF_RFCR1(0), ctl_flags);
|
|
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_bss_conf *info,
|
|
u64 changed)
|
|
{
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
if (changed & BSS_CHANGED_ERP_SLOT) {
|
|
int slottime = info->use_short_slot ? 9 : 20;
|
|
|
|
if (slottime != phy->slottime) {
|
|
phy->slottime = slottime;
|
|
mt7921_mac_set_timing(phy);
|
|
}
|
|
}
|
|
|
|
if (changed & (BSS_CHANGED_BEACON |
|
|
BSS_CHANGED_BEACON_ENABLED))
|
|
mt7921_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))
|
|
mt7921_mcu_set_tx(dev, vif);
|
|
|
|
if (changed & BSS_CHANGED_PS)
|
|
mt7921_mcu_uni_bss_ps(dev, vif);
|
|
|
|
if (changed & BSS_CHANGED_ASSOC) {
|
|
mt7921_mcu_sta_update(dev, NULL, vif, true,
|
|
MT76_STA_INFO_STATE_ASSOC);
|
|
mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
|
|
}
|
|
|
|
if (changed & BSS_CHANGED_ARP_FILTER) {
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
|
|
mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
|
|
info);
|
|
}
|
|
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
int ret, idx;
|
|
|
|
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
|
|
if (idx < 0)
|
|
return -ENOSPC;
|
|
|
|
INIT_LIST_HEAD(&msta->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;
|
|
|
|
mt7921_mac_wtbl_update(dev, idx,
|
|
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
|
|
|
ret = mt7921_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(mt7921_mac_sta_add);
|
|
|
|
void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
|
|
mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
|
|
true);
|
|
|
|
mt7921_mac_wtbl_update(dev, msta->wcid.idx,
|
|
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
|
memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
|
|
|
|
mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
|
|
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc);
|
|
|
|
void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
|
|
mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
|
|
mt76_connac_pm_wake(&dev->mphy, &dev->pm);
|
|
|
|
mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
|
|
mt7921_mac_wtbl_update(dev, msta->wcid.idx,
|
|
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
|
|
|
if (vif->type == NL80211_IFTYPE_STATION) {
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
|
|
mvif->wep_sta = NULL;
|
|
ewma_rssi_init(&mvif->rssi);
|
|
if (!sta->tdls)
|
|
mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
|
|
&mvif->sta.wcid, false);
|
|
}
|
|
|
|
spin_lock_bh(&dev->sta_poll_lock);
|
|
if (!list_empty(&msta->poll_list))
|
|
list_del_init(&msta->poll_list);
|
|
spin_unlock_bh(&dev->sta_poll_lock);
|
|
|
|
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove);
|
|
|
|
void mt7921_tx_worker(struct mt76_worker *w)
|
|
{
|
|
struct mt7921_dev *dev = container_of(w, struct mt7921_dev,
|
|
mt76.tx_worker);
|
|
|
|
if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
|
|
queue_work(dev->mt76.wq, &dev->pm.wake_work);
|
|
return;
|
|
}
|
|
|
|
mt76_txq_schedule_all(&dev->mphy);
|
|
mt76_connac_pm_unref(&dev->mphy, &dev->pm);
|
|
}
|
|
|
|
static void mt7921_tx(struct ieee80211_hw *hw,
|
|
struct ieee80211_tx_control *control,
|
|
struct sk_buff *skb)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_phy *mphy = hw->priv;
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
struct ieee80211_vif *vif = info->control.vif;
|
|
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
|
|
int qid;
|
|
|
|
if (control->sta) {
|
|
struct mt7921_sta *sta;
|
|
|
|
sta = (struct mt7921_sta *)control->sta->drv_priv;
|
|
wcid = &sta->wcid;
|
|
}
|
|
|
|
if (vif && !control->sta) {
|
|
struct mt7921_vif *mvif;
|
|
|
|
mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
wcid = &mvif->sta.wcid;
|
|
}
|
|
|
|
if (mt76_connac_pm_ref(mphy, &dev->pm)) {
|
|
mt76_tx(mphy, control->sta, wcid, skb);
|
|
mt76_connac_pm_unref(mphy, &dev->pm);
|
|
return;
|
|
}
|
|
|
|
qid = skb_get_queue_mapping(skb);
|
|
if (qid >= MT_TXQ_PSD) {
|
|
qid = IEEE80211_AC_BE;
|
|
skb_set_queue_mapping(skb, qid);
|
|
}
|
|
|
|
mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
|
|
}
|
|
|
|
static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);
|
|
mt7921_mutex_release(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_ampdu_params *params)
|
|
{
|
|
enum ieee80211_ampdu_mlme_action action = params->action;
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct ieee80211_sta *sta = params->sta;
|
|
struct ieee80211_txq *txq = sta->txq[params->tid];
|
|
struct mt7921_sta *msta = (struct mt7921_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;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
switch (action) {
|
|
case IEEE80211_AMPDU_RX_START:
|
|
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
|
|
params->buf_size);
|
|
mt7921_mcu_uni_rx_ba(dev, params, true);
|
|
break;
|
|
case IEEE80211_AMPDU_RX_STOP:
|
|
mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
|
|
mt7921_mcu_uni_rx_ba(dev, params, false);
|
|
break;
|
|
case IEEE80211_AMPDU_TX_OPERATIONAL:
|
|
mtxq->aggr = true;
|
|
mtxq->send_bar = false;
|
|
mt7921_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->ampdu_state);
|
|
mt7921_mcu_uni_tx_ba(dev, params, false);
|
|
break;
|
|
case IEEE80211_AMPDU_TX_START:
|
|
set_bit(tid, &msta->ampdu_state);
|
|
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
|
|
break;
|
|
case IEEE80211_AMPDU_TX_STOP_CONT:
|
|
mtxq->aggr = false;
|
|
clear_bit(tid, &msta->ampdu_state);
|
|
mt7921_mcu_uni_tx_ba(dev, params, false);
|
|
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
|
break;
|
|
}
|
|
mt7921_mutex_release(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mt7921_sta_state(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
enum ieee80211_sta_state old_state,
|
|
enum ieee80211_sta_state new_state)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
if (dev->pm.ds_enable) {
|
|
mt7921_mutex_acquire(dev);
|
|
mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
return mt76_sta_state(hw, vif, sta, old_state, new_state);
|
|
}
|
|
|
|
static int
|
|
mt7921_get_stats(struct ieee80211_hw *hw,
|
|
struct ieee80211_low_level_stats *stats)
|
|
{
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mib_stats *mib = &phy->mib;
|
|
|
|
mt7921_mutex_acquire(phy->dev);
|
|
|
|
stats->dot11RTSSuccessCount = mib->rts_cnt;
|
|
stats->dot11RTSFailureCount = mib->rts_retries_cnt;
|
|
stats->dot11FCSErrorCount = mib->fcs_err_cnt;
|
|
stats->dot11ACKFailureCount = mib->ack_fail_cnt;
|
|
|
|
mt7921_mutex_release(phy->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = {
|
|
/* tx counters */
|
|
"tx_ampdu_cnt",
|
|
"tx_mpdu_attempts",
|
|
"tx_mpdu_success",
|
|
"tx_pkt_ebf_cnt",
|
|
"tx_pkt_ibf_cnt",
|
|
"tx_ampdu_len:0-1",
|
|
"tx_ampdu_len:2-10",
|
|
"tx_ampdu_len:11-19",
|
|
"tx_ampdu_len:20-28",
|
|
"tx_ampdu_len:29-37",
|
|
"tx_ampdu_len:38-46",
|
|
"tx_ampdu_len:47-55",
|
|
"tx_ampdu_len:56-79",
|
|
"tx_ampdu_len:80-103",
|
|
"tx_ampdu_len:104-127",
|
|
"tx_ampdu_len:128-151",
|
|
"tx_ampdu_len:152-175",
|
|
"tx_ampdu_len:176-199",
|
|
"tx_ampdu_len:200-223",
|
|
"tx_ampdu_len:224-247",
|
|
"ba_miss_count",
|
|
"tx_beamformer_ppdu_iBF",
|
|
"tx_beamformer_ppdu_eBF",
|
|
"tx_beamformer_rx_feedback_all",
|
|
"tx_beamformer_rx_feedback_he",
|
|
"tx_beamformer_rx_feedback_vht",
|
|
"tx_beamformer_rx_feedback_ht",
|
|
"tx_msdu_pack_1",
|
|
"tx_msdu_pack_2",
|
|
"tx_msdu_pack_3",
|
|
"tx_msdu_pack_4",
|
|
"tx_msdu_pack_5",
|
|
"tx_msdu_pack_6",
|
|
"tx_msdu_pack_7",
|
|
"tx_msdu_pack_8",
|
|
/* rx counters */
|
|
"rx_mpdu_cnt",
|
|
"rx_ampdu_cnt",
|
|
"rx_ampdu_bytes_cnt",
|
|
"rx_ba_cnt",
|
|
/* per vif counters */
|
|
"v_tx_mode_cck",
|
|
"v_tx_mode_ofdm",
|
|
"v_tx_mode_ht",
|
|
"v_tx_mode_ht_gf",
|
|
"v_tx_mode_vht",
|
|
"v_tx_mode_he_su",
|
|
"v_tx_mode_he_ext_su",
|
|
"v_tx_mode_he_tb",
|
|
"v_tx_mode_he_mu",
|
|
"v_tx_bw_20",
|
|
"v_tx_bw_40",
|
|
"v_tx_bw_80",
|
|
"v_tx_bw_160",
|
|
"v_tx_mcs_0",
|
|
"v_tx_mcs_1",
|
|
"v_tx_mcs_2",
|
|
"v_tx_mcs_3",
|
|
"v_tx_mcs_4",
|
|
"v_tx_mcs_5",
|
|
"v_tx_mcs_6",
|
|
"v_tx_mcs_7",
|
|
"v_tx_mcs_8",
|
|
"v_tx_mcs_9",
|
|
"v_tx_mcs_10",
|
|
"v_tx_mcs_11",
|
|
};
|
|
|
|
static void
|
|
mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
u32 sset, u8 *data)
|
|
{
|
|
if (sset != ETH_SS_STATS)
|
|
return;
|
|
|
|
memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats));
|
|
}
|
|
|
|
static int
|
|
mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
int sset)
|
|
{
|
|
return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0;
|
|
}
|
|
|
|
static void
|
|
mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
|
|
{
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
struct mt76_ethtool_worker_info *wi = wi_data;
|
|
|
|
if (msta->vif->mt76.idx != wi->idx)
|
|
return;
|
|
|
|
mt76_ethtool_worker(wi, &msta->wcid.stats);
|
|
}
|
|
|
|
static
|
|
void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = phy->dev;
|
|
struct mib_stats *mib = &phy->mib;
|
|
struct mt76_ethtool_worker_info wi = {
|
|
.data = data,
|
|
.idx = mvif->mt76.idx,
|
|
};
|
|
int i, ei = 0;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
mt7921_mac_update_mib_stats(phy);
|
|
|
|
data[ei++] = mib->tx_ampdu_cnt;
|
|
data[ei++] = mib->tx_mpdu_attempts_cnt;
|
|
data[ei++] = mib->tx_mpdu_success_cnt;
|
|
data[ei++] = mib->tx_pkt_ebf_cnt;
|
|
data[ei++] = mib->tx_pkt_ibf_cnt;
|
|
|
|
/* Tx ampdu stat */
|
|
for (i = 0; i < 15; i++)
|
|
data[ei++] = dev->mt76.aggr_stats[i];
|
|
|
|
data[ei++] = phy->mib.ba_miss_cnt;
|
|
|
|
/* Tx Beamformer monitor */
|
|
data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
|
|
data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
|
|
|
|
/* Tx Beamformer Rx feedback monitor */
|
|
data[ei++] = mib->tx_bf_rx_fb_all_cnt;
|
|
data[ei++] = mib->tx_bf_rx_fb_he_cnt;
|
|
data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
|
|
data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
|
|
|
|
/* Tx amsdu info (pack-count histogram) */
|
|
for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
|
|
data[ei++] = mib->tx_amsdu[i];
|
|
|
|
/* rx counters */
|
|
data[ei++] = mib->rx_mpdu_cnt;
|
|
data[ei++] = mib->rx_ampdu_cnt;
|
|
data[ei++] = mib->rx_ampdu_bytes_cnt;
|
|
data[ei++] = mib->rx_ba_cnt;
|
|
|
|
/* Add values for all stations owned by this vif */
|
|
wi.initial_stat_idx = ei;
|
|
ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi);
|
|
|
|
mt7921_mutex_release(dev);
|
|
|
|
if (!wi.sta_count)
|
|
return;
|
|
|
|
ei += wi.worker_stat_count;
|
|
if (ei != ARRAY_SIZE(mt7921_gstrings_stats))
|
|
dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu",
|
|
ei, ARRAY_SIZE(mt7921_gstrings_stats));
|
|
}
|
|
|
|
static u64
|
|
mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
u8 omac_idx = mvif->mt76.omac_idx;
|
|
union {
|
|
u64 t64;
|
|
u32 t32[2];
|
|
} tsf;
|
|
u16 n;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
|
|
/* TSF software read */
|
|
mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
|
|
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
|
|
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
|
|
|
|
mt7921_mutex_release(dev);
|
|
|
|
return tsf.t64;
|
|
}
|
|
|
|
static void
|
|
mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
u64 timestamp)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
u8 omac_idx = mvif->mt76.omac_idx;
|
|
union {
|
|
u64 t64;
|
|
u32 t32[2];
|
|
} tsf = { .t64 = timestamp, };
|
|
u16 n;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
|
|
mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
|
|
mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
|
|
/* TSF software overwrite */
|
|
mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
|
|
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
static void
|
|
mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
|
|
{
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = phy->dev;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
phy->coverage_class = max_t(s16, coverage_class, 0);
|
|
mt7921_mac_set_timing(phy);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
void mt7921_scan_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_phy *phy;
|
|
|
|
phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy,
|
|
scan_work.work);
|
|
|
|
while (true) {
|
|
struct mt76_connac2_mcu_rxd *rxd;
|
|
struct sk_buff *skb;
|
|
|
|
spin_lock_bh(&phy->dev->mt76.lock);
|
|
skb = __skb_dequeue(&phy->scan_event_list);
|
|
spin_unlock_bh(&phy->dev->mt76.lock);
|
|
|
|
if (!skb)
|
|
break;
|
|
|
|
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
|
|
if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
|
|
ieee80211_sched_scan_results(phy->mt76->hw);
|
|
} else 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);
|
|
}
|
|
dev_kfree_skb(skb);
|
|
}
|
|
}
|
|
|
|
static int
|
|
mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_scan_request *req)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_phy *mphy = hw->priv;
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
err = mt76_connac_mcu_hw_scan(mphy, vif, req);
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_phy *mphy = hw->priv;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt76_connac_mcu_cancel_hw_scan(mphy, vif);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
static int
|
|
mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct cfg80211_sched_scan_request *req,
|
|
struct ieee80211_scan_ies *ies)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_phy *mphy = hw->priv;
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_phy *mphy = hw->priv;
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt7921_phy *phy = mt7921_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)
|
|
return -EINVAL;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
phy->mt76->antenna_mask = tx_ant;
|
|
phy->mt76->chainmask = tx_ant;
|
|
|
|
mt76_set_stream_caps(phy->mt76, true);
|
|
mt7921_set_stream_he_caps(phy);
|
|
|
|
mt7921_mutex_release(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt7921_sta_statistics(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
struct station_info *sinfo)
|
|
{
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
struct rate_info *txrate = &msta->wcid.rate;
|
|
|
|
if (!txrate->legacy && !txrate->flags)
|
|
return;
|
|
|
|
if (txrate->legacy) {
|
|
sinfo->txrate.legacy = txrate->legacy;
|
|
} else {
|
|
sinfo->txrate.mcs = txrate->mcs;
|
|
sinfo->txrate.nss = txrate->nss;
|
|
sinfo->txrate.bw = txrate->bw;
|
|
sinfo->txrate.he_gi = txrate->he_gi;
|
|
sinfo->txrate.he_dcm = txrate->he_dcm;
|
|
sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
|
|
}
|
|
sinfo->txrate.flags = txrate->flags;
|
|
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int mt7921_suspend(struct ieee80211_hw *hw,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt7921_phy *phy = mt7921_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);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
|
|
ieee80211_iterate_active_interfaces(hw,
|
|
IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
mt7921_mcu_set_suspend_iter,
|
|
&dev->mphy);
|
|
|
|
mt7921_mutex_release(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt7921_resume(struct ieee80211_hw *hw)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
|
|
ieee80211_iterate_active_interfaces(hw,
|
|
IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
mt76_connac_mcu_set_suspend_iter,
|
|
&dev->mphy);
|
|
|
|
ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
|
|
MT7921_WATCHDOG_TIME);
|
|
|
|
mt7921_mutex_release(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
struct mt76_dev *mdev = &dev->mt76;
|
|
|
|
device_set_wakeup_enable(mdev->dev, enabled);
|
|
}
|
|
|
|
static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct cfg80211_gtk_rekey_data *data)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
u32 queues, bool drop)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy),
|
|
HZ / 2);
|
|
}
|
|
|
|
static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
bool enabled)
|
|
{
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
mt7921_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);
|
|
|
|
mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid,
|
|
MCU_UNI_CMD(STA_REC_UPDATE));
|
|
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct inet6_dev *idev)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_dev *dev = mvif->phy->dev;
|
|
struct inet6_ifaddr *ifa;
|
|
struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
|
|
struct sk_buff *skb;
|
|
u8 i, idx = 0;
|
|
|
|
struct {
|
|
struct {
|
|
u8 bss_idx;
|
|
u8 pad[3];
|
|
} __packed hdr;
|
|
struct mt76_connac_arpns_tlv arpns;
|
|
} req_hdr = {
|
|
.hdr = {
|
|
.bss_idx = mvif->mt76.idx,
|
|
},
|
|
.arpns = {
|
|
.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
|
|
.mode = 2, /* update */
|
|
.option = 1, /* update only */
|
|
},
|
|
};
|
|
|
|
read_lock_bh(&idev->lock);
|
|
list_for_each_entry(ifa, &idev->addr_list, if_list) {
|
|
if (ifa->flags & IFA_F_TENTATIVE)
|
|
continue;
|
|
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;
|
|
req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)
|
|
+ idx * sizeof(struct in6_addr));
|
|
skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr,
|
|
sizeof(req_hdr) + idx * sizeof(struct in6_addr),
|
|
sizeof(req_hdr), GFP_ATOMIC);
|
|
if (!skb)
|
|
return;
|
|
|
|
for (i = 0; i < idx; i++)
|
|
skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr));
|
|
|
|
skb_queue_tail(&dev->ipv6_ns_list, skb);
|
|
|
|
ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
|
|
}
|
|
#endif
|
|
|
|
int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
|
|
const struct cfg80211_sar_specs *sar)
|
|
{
|
|
struct mt76_phy *mphy = hw->priv;
|
|
int err;
|
|
|
|
if (sar) {
|
|
err = mt76_init_sar_power(hw, sar);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar);
|
|
|
|
err = mt76_connac_mcu_set_rate_txpower(mphy);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
|
|
const struct cfg80211_sar_specs *sar)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2,
|
|
dev->country_ie_env);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = mt7921_set_tx_sar_pwr(hw, sar);
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mt7921_channel_switch_beacon(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct cfg80211_chan_def *chandef)
|
|
{
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
static int
|
|
mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_bss_conf *link_conf)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid,
|
|
true);
|
|
if (err)
|
|
goto out;
|
|
|
|
err = mt7921_mcu_set_bss_pm(dev, vif, true);
|
|
if (err)
|
|
goto out;
|
|
|
|
err = mt7921_mcu_sta_update(dev, NULL, vif, true,
|
|
MT76_STA_INFO_STATE_NONE);
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_bss_conf *link_conf)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
|
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
|
int err;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
|
|
err = mt7921_mcu_set_bss_pm(dev, vif, false);
|
|
if (err)
|
|
goto out;
|
|
|
|
mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false);
|
|
|
|
out:
|
|
mt7921_mutex_release(dev);
|
|
}
|
|
|
|
const struct ieee80211_ops mt7921_ops = {
|
|
.tx = mt7921_tx,
|
|
.start = mt7921_start,
|
|
.stop = mt7921_stop,
|
|
.add_interface = mt7921_add_interface,
|
|
.remove_interface = mt7921_remove_interface,
|
|
.config = mt7921_config,
|
|
.conf_tx = mt7921_conf_tx,
|
|
.configure_filter = mt7921_configure_filter,
|
|
.bss_info_changed = mt7921_bss_info_changed,
|
|
.start_ap = mt7921_start_ap,
|
|
.stop_ap = mt7921_stop_ap,
|
|
.sta_state = mt7921_sta_state,
|
|
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
|
|
.set_key = mt7921_set_key,
|
|
.sta_set_decap_offload = mt7921_sta_set_decap_offload,
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
.ipv6_addr_change = mt7921_ipv6_addr_change,
|
|
#endif /* CONFIG_IPV6 */
|
|
.ampdu_action = mt7921_ampdu_action,
|
|
.set_rts_threshold = mt7921_set_rts_threshold,
|
|
.wake_tx_queue = mt76_wake_tx_queue,
|
|
.release_buffered_frames = mt76_release_buffered_frames,
|
|
.channel_switch_beacon = mt7921_channel_switch_beacon,
|
|
.get_txpower = mt76_get_txpower,
|
|
.get_stats = mt7921_get_stats,
|
|
.get_et_sset_count = mt7921_get_et_sset_count,
|
|
.get_et_strings = mt7921_get_et_strings,
|
|
.get_et_stats = mt7921_get_et_stats,
|
|
.get_tsf = mt7921_get_tsf,
|
|
.set_tsf = mt7921_set_tsf,
|
|
.get_survey = mt76_get_survey,
|
|
.get_antenna = mt76_get_antenna,
|
|
.set_antenna = mt7921_set_antenna,
|
|
.set_coverage_class = mt7921_set_coverage_class,
|
|
.hw_scan = mt7921_hw_scan,
|
|
.cancel_hw_scan = mt7921_cancel_hw_scan,
|
|
.sta_statistics = mt7921_sta_statistics,
|
|
.sched_scan_start = mt7921_start_sched_scan,
|
|
.sched_scan_stop = mt7921_stop_sched_scan,
|
|
CFG80211_TESTMODE_CMD(mt7921_testmode_cmd)
|
|
CFG80211_TESTMODE_DUMP(mt7921_testmode_dump)
|
|
#ifdef CONFIG_PM
|
|
.suspend = mt7921_suspend,
|
|
.resume = mt7921_resume,
|
|
.set_wakeup = mt7921_set_wakeup,
|
|
.set_rekey_data = mt7921_set_rekey_data,
|
|
#endif /* CONFIG_PM */
|
|
.flush = mt7921_flush,
|
|
.set_sar_specs = mt7921_set_sar_specs,
|
|
};
|
|
EXPORT_SYMBOL_GPL(mt7921_ops);
|
|
|
|
MODULE_LICENSE("Dual BSD/GPL");
|
|
MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
|