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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>4 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>5 */6 7#ifndef __MT76_MAC_H8#define __MT76_MAC_H9 10struct mt76_tx_status {11 u8 valid:1;12 u8 success:1;13 u8 aggr:1;14 u8 ack_req:1;15 u8 is_probe:1;16 u8 wcid;17 u8 pktid;18 u8 retry;19 u16 rate;20} __packed __aligned(2);21 22/* Note: values in original "RSSI" and "SNR" fields are not actually what they23 * are called for MT7601U, names used by this driver are educated guesses24 * (see vendor mac/ral_omac.c).25 */26struct mt7601u_rxwi {27 __le32 rxinfo;28 29 __le32 ctl;30 31 __le16 frag_sn;32 __le16 rate;33 34 u8 unknown;35 u8 zero[3];36 37 u8 snr;38 u8 ant;39 u8 gain;40 u8 freq_off;41 42 __le32 resv2;43 __le32 expert_ant;44} __packed __aligned(4);45 46#define MT_RXINFO_BA BIT(0)47#define MT_RXINFO_DATA BIT(1)48#define MT_RXINFO_NULL BIT(2)49#define MT_RXINFO_FRAG BIT(3)50#define MT_RXINFO_U2M BIT(4)51#define MT_RXINFO_MULTICAST BIT(5)52#define MT_RXINFO_BROADCAST BIT(6)53#define MT_RXINFO_MYBSS BIT(7)54#define MT_RXINFO_CRCERR BIT(8)55#define MT_RXINFO_ICVERR BIT(9)56#define MT_RXINFO_MICERR BIT(10)57#define MT_RXINFO_AMSDU BIT(11)58#define MT_RXINFO_HTC BIT(12)59#define MT_RXINFO_RSSI BIT(13)60#define MT_RXINFO_L2PAD BIT(14)61#define MT_RXINFO_AMPDU BIT(15)62#define MT_RXINFO_DECRYPT BIT(16)63#define MT_RXINFO_BSSIDX3 BIT(17)64#define MT_RXINFO_WAPI_KEY BIT(18)65#define MT_RXINFO_PN_LEN GENMASK(21, 19)66#define MT_RXINFO_SW_PKT_80211 BIT(22)67#define MT_RXINFO_TCP_SUM_BYPASS BIT(28)68#define MT_RXINFO_IP_SUM_BYPASS BIT(29)69#define MT_RXINFO_TCP_SUM_ERR BIT(30)70#define MT_RXINFO_IP_SUM_ERR BIT(31)71 72#define MT_RXWI_CTL_WCID GENMASK(7, 0)73#define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8)74#define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10)75#define MT_RXWI_CTL_UDF GENMASK(15, 13)76#define MT_RXWI_CTL_MPDU_LEN GENMASK(27, 16)77#define MT_RXWI_CTL_TID GENMASK(31, 28)78 79#define MT_RXWI_FRAG GENMASK(3, 0)80#define MT_RXWI_SN GENMASK(15, 4)81 82#define MT_RXWI_RATE_MCS GENMASK(6, 0)83#define MT_RXWI_RATE_BW BIT(7)84#define MT_RXWI_RATE_SGI BIT(8)85#define MT_RXWI_RATE_STBC GENMASK(10, 9)86#define MT_RXWI_RATE_ETXBF BIT(11)87#define MT_RXWI_RATE_SND BIT(12)88#define MT_RXWI_RATE_ITXBF BIT(13)89#define MT_RXWI_RATE_PHY GENMASK(15, 14)90 91#define MT_RXWI_GAIN_RSSI_VAL GENMASK(5, 0)92#define MT_RXWI_GAIN_RSSI_LNA_ID GENMASK(7, 6)93#define MT_RXWI_ANT_AUX_LNA BIT(7)94 95#define MT_RXWI_EANT_ENC_ANT_ID GENMASK(7, 0)96 97enum mt76_phy_type {98 MT_PHY_TYPE_CCK,99 MT_PHY_TYPE_OFDM,100 MT_PHY_TYPE_HT,101 MT_PHY_TYPE_HT_GF,102};103 104enum mt76_phy_bandwidth {105 MT_PHY_BW_20,106 MT_PHY_BW_40,107};108 109struct mt76_txwi {110 __le16 flags;111 __le16 rate_ctl;112 113 u8 ack_ctl;114 u8 wcid;115 __le16 len_ctl;116 117 __le32 iv;118 119 __le32 eiv;120 121 u8 aid;122 u8 txstream;123 __le16 ctl;124} __packed __aligned(4);125 126#define MT_TXWI_FLAGS_FRAG BIT(0)127#define MT_TXWI_FLAGS_MMPS BIT(1)128#define MT_TXWI_FLAGS_CFACK BIT(2)129#define MT_TXWI_FLAGS_TS BIT(3)130#define MT_TXWI_FLAGS_AMPDU BIT(4)131#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)132#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)133#define MT_TXWI_FLAGS_CWMIN GENMASK(12, 10)134#define MT_TXWI_FLAGS_NO_RATE_FALLBACK BIT(13)135#define MT_TXWI_FLAGS_TX_RPT BIT(14)136#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)137 138#define MT_TXWI_RATE_MCS GENMASK(6, 0)139#define MT_TXWI_RATE_BW BIT(7)140#define MT_TXWI_RATE_SGI BIT(8)141#define MT_TXWI_RATE_STBC GENMASK(10, 9)142#define MT_TXWI_RATE_PHY_MODE GENMASK(15, 14)143 144#define MT_TXWI_ACK_CTL_REQ BIT(0)145#define MT_TXWI_ACK_CTL_NSEQ BIT(1)146#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)147 148#define MT_TXWI_LEN_BYTE_CNT GENMASK(11, 0)149#define MT_TXWI_LEN_PKTID GENMASK(15, 12)150 151#define MT_TXWI_CTL_TX_POWER_ADJ GENMASK(3, 0)152#define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4)153#define MT_TXWI_CTL_PIFS_REV BIT(6)154 155u32 mt76_mac_process_rx(struct mt7601u_dev *dev, struct sk_buff *skb,156 u8 *data, void *rxi);157int mt76_mac_wcid_set_key(struct mt7601u_dev *dev, u8 idx,158 struct ieee80211_key_conf *key);159void mt76_mac_wcid_set_rate(struct mt7601u_dev *dev, struct mt76_wcid *wcid,160 const struct ieee80211_tx_rate *rate);161 162int mt76_mac_shared_key_setup(struct mt7601u_dev *dev, u8 vif_idx, u8 key_idx,163 struct ieee80211_key_conf *key);164u16 mt76_mac_tx_rate_val(struct mt7601u_dev *dev,165 const struct ieee80211_tx_rate *rate, u8 *nss_val);166struct mt76_tx_status167mt7601u_mac_fetch_tx_status(struct mt7601u_dev *dev);168void mt76_send_tx_status(struct mt7601u_dev *dev, struct mt76_tx_status *stat);169void mt7601u_set_macaddr(struct mt7601u_dev *dev, const u8 *addr);170 171#endif172