/* * Copyright (C) 2014 Felix Fietkau * Copyright (C) 2015 Jakub Kicinski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __MT76_MAC_H #define __MT76_MAC_H struct mt76_tx_status { u8 valid:1; u8 success:1; u8 aggr:1; u8 ack_req:1; u8 is_probe:1; u8 wcid; u8 pktid; u8 retry; u16 rate; } __packed __aligned(2); /* Note: values in original "RSSI" and "SNR" fields are not actually what they * are called for MT7601U, names used by this driver are educated guesses * (see vendor mac/ral_omac.c). */ struct mt7601u_rxwi { __le32 rxinfo; __le32 ctl; __le16 frag_sn; __le16 rate; u8 unknown; u8 zero[3]; u8 snr; u8 ant; u8 gain; u8 freq_off; __le32 resv2; __le32 expert_ant; } __packed __aligned(4); #define MT_RXINFO_BA BIT(0) #define MT_RXINFO_DATA BIT(1) #define MT_RXINFO_NULL BIT(2) #define MT_RXINFO_FRAG BIT(3) #define MT_RXINFO_U2M BIT(4) #define MT_RXINFO_MULTICAST BIT(5) #define MT_RXINFO_BROADCAST BIT(6) #define MT_RXINFO_MYBSS BIT(7) #define MT_RXINFO_CRCERR BIT(8) #define MT_RXINFO_ICVERR BIT(9) #define MT_RXINFO_MICERR BIT(10) #define MT_RXINFO_AMSDU BIT(11) #define MT_RXINFO_HTC BIT(12) #define MT_RXINFO_RSSI BIT(13) #define MT_RXINFO_L2PAD BIT(14) #define MT_RXINFO_AMPDU BIT(15) #define MT_RXINFO_DECRYPT BIT(16) #define MT_RXINFO_BSSIDX3 BIT(17) #define MT_RXINFO_WAPI_KEY BIT(18) #define MT_RXINFO_PN_LEN GENMASK(21, 19) #define MT_RXINFO_SW_PKT_80211 BIT(22) #define MT_RXINFO_TCP_SUM_BYPASS BIT(28) #define MT_RXINFO_IP_SUM_BYPASS BIT(29) #define MT_RXINFO_TCP_SUM_ERR BIT(30) #define MT_RXINFO_IP_SUM_ERR BIT(31) #define MT_RXWI_CTL_WCID GENMASK(7, 0) #define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8) #define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10) #define MT_RXWI_CTL_UDF GENMASK(15, 13) #define MT_RXWI_CTL_MPDU_LEN GENMASK(27, 16) #define MT_RXWI_CTL_TID GENMASK(31, 28) #define MT_RXWI_FRAG GENMASK(3, 0) #define MT_RXWI_SN GENMASK(15, 4) #define MT_RXWI_RATE_MCS GENMASK(6, 0) #define MT_RXWI_RATE_BW BIT(7) #define MT_RXWI_RATE_SGI BIT(8) #define MT_RXWI_RATE_STBC GENMASK(10, 9) #define MT_RXWI_RATE_ETXBF BIT(11) #define MT_RXWI_RATE_SND BIT(12) #define MT_RXWI_RATE_ITXBF BIT(13) #define MT_RXWI_RATE_PHY GENMASK(15, 14) #define MT_RXWI_GAIN_RSSI_VAL GENMASK(5, 0) #define MT_RXWI_GAIN_RSSI_LNA_ID GENMASK(7, 6) #define MT_RXWI_ANT_AUX_LNA BIT(7) #define MT_RXWI_EANT_ENC_ANT_ID GENMASK(7, 0) enum mt76_phy_type { MT_PHY_TYPE_CCK, MT_PHY_TYPE_OFDM, MT_PHY_TYPE_HT, MT_PHY_TYPE_HT_GF, }; enum mt76_phy_bandwidth { MT_PHY_BW_20, MT_PHY_BW_40, }; struct mt76_txwi { __le16 flags; __le16 rate_ctl; u8 ack_ctl; u8 wcid; __le16 len_ctl; __le32 iv; __le32 eiv; u8 aid; u8 txstream; __le16 ctl; } __packed __aligned(4); #define MT_TXWI_FLAGS_FRAG BIT(0) #define MT_TXWI_FLAGS_MMPS BIT(1) #define MT_TXWI_FLAGS_CFACK BIT(2) #define MT_TXWI_FLAGS_TS BIT(3) #define MT_TXWI_FLAGS_AMPDU BIT(4) #define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5) #define MT_TXWI_FLAGS_TXOP GENMASK(9, 8) #define MT_TXWI_FLAGS_CWMIN GENMASK(12, 10) #define MT_TXWI_FLAGS_NO_RATE_FALLBACK BIT(13) #define MT_TXWI_FLAGS_TX_RPT BIT(14) #define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15) #define MT_TXWI_RATE_MCS GENMASK(6, 0) #define MT_TXWI_RATE_BW BIT(7) #define MT_TXWI_RATE_SGI BIT(8) #define MT_TXWI_RATE_STBC GENMASK(10, 9) #define MT_TXWI_RATE_PHY_MODE GENMASK(15, 14) #define MT_TXWI_ACK_CTL_REQ BIT(0) #define MT_TXWI_ACK_CTL_NSEQ BIT(1) #define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2) #define MT_TXWI_LEN_BYTE_CNT GENMASK(11, 0) #define MT_TXWI_LEN_PKTID GENMASK(15, 12) #define MT_TXWI_CTL_TX_POWER_ADJ GENMASK(3, 0) #define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4) #define MT_TXWI_CTL_PIFS_REV BIT(6) u32 mt76_mac_process_rx(struct mt7601u_dev *dev, struct sk_buff *skb, u8 *data, void *rxi); int mt76_mac_wcid_set_key(struct mt7601u_dev *dev, u8 idx, struct ieee80211_key_conf *key); void mt76_mac_wcid_set_rate(struct mt7601u_dev *dev, struct mt76_wcid *wcid, const struct ieee80211_tx_rate *rate); int mt76_mac_shared_key_setup(struct mt7601u_dev *dev, u8 vif_idx, u8 key_idx, struct ieee80211_key_conf *key); u16 mt76_mac_tx_rate_val(struct mt7601u_dev *dev, const struct ieee80211_tx_rate *rate, u8 *nss_val); struct mt76_tx_status mt7601u_mac_fetch_tx_status(struct mt7601u_dev *dev); void mt76_send_tx_status(struct mt7601u_dev *dev, struct mt76_tx_status *stat); #endif