Jakub Kicinski | c869f77 | 2015-05-26 11:16:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> |
| 3 | * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef __MT76_MAC_H |
| 16 | #define __MT76_MAC_H |
| 17 | |
| 18 | struct mt76_tx_status { |
| 19 | u8 valid:1; |
| 20 | u8 success:1; |
| 21 | u8 aggr:1; |
| 22 | u8 ack_req:1; |
| 23 | u8 is_probe:1; |
| 24 | u8 wcid; |
| 25 | u8 pktid; |
| 26 | u8 retry; |
| 27 | u16 rate; |
| 28 | } __packed __aligned(2); |
| 29 | |
| 30 | /* Note: values in original "RSSI" and "SNR" fields are not actually what they |
| 31 | * are called for MT7601U, names used by this driver are educated guesses |
| 32 | * (see vendor mac/ral_omac.c). |
| 33 | */ |
| 34 | struct mt7601u_rxwi { |
| 35 | __le32 rxinfo; |
| 36 | |
| 37 | __le32 ctl; |
| 38 | |
| 39 | __le16 frag_sn; |
| 40 | __le16 rate; |
| 41 | |
| 42 | u8 unknown; |
| 43 | u8 zero[3]; |
| 44 | |
| 45 | u8 snr; |
| 46 | u8 ant; |
| 47 | u8 gain; |
| 48 | u8 freq_off; |
| 49 | |
| 50 | __le32 resv2; |
| 51 | __le32 expert_ant; |
| 52 | } __packed __aligned(4); |
| 53 | |
| 54 | #define MT_RXINFO_BA BIT(0) |
| 55 | #define MT_RXINFO_DATA BIT(1) |
| 56 | #define MT_RXINFO_NULL BIT(2) |
| 57 | #define MT_RXINFO_FRAG BIT(3) |
| 58 | #define MT_RXINFO_U2M BIT(4) |
| 59 | #define MT_RXINFO_MULTICAST BIT(5) |
| 60 | #define MT_RXINFO_BROADCAST BIT(6) |
| 61 | #define MT_RXINFO_MYBSS BIT(7) |
| 62 | #define MT_RXINFO_CRCERR BIT(8) |
| 63 | #define MT_RXINFO_ICVERR BIT(9) |
| 64 | #define MT_RXINFO_MICERR BIT(10) |
| 65 | #define MT_RXINFO_AMSDU BIT(11) |
| 66 | #define MT_RXINFO_HTC BIT(12) |
| 67 | #define MT_RXINFO_RSSI BIT(13) |
| 68 | #define MT_RXINFO_L2PAD BIT(14) |
| 69 | #define MT_RXINFO_AMPDU BIT(15) |
| 70 | #define MT_RXINFO_DECRYPT BIT(16) |
| 71 | #define MT_RXINFO_BSSIDX3 BIT(17) |
| 72 | #define MT_RXINFO_WAPI_KEY BIT(18) |
| 73 | #define MT_RXINFO_PN_LEN GENMASK(21, 19) |
| 74 | #define MT_RXINFO_SW_PKT_80211 BIT(22) |
| 75 | #define MT_RXINFO_TCP_SUM_BYPASS BIT(28) |
| 76 | #define MT_RXINFO_IP_SUM_BYPASS BIT(29) |
| 77 | #define MT_RXINFO_TCP_SUM_ERR BIT(30) |
| 78 | #define MT_RXINFO_IP_SUM_ERR BIT(31) |
| 79 | |
| 80 | #define MT_RXWI_CTL_WCID GENMASK(7, 0) |
| 81 | #define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8) |
| 82 | #define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10) |
| 83 | #define MT_RXWI_CTL_UDF GENMASK(15, 13) |
| 84 | #define MT_RXWI_CTL_MPDU_LEN GENMASK(27, 16) |
| 85 | #define MT_RXWI_CTL_TID GENMASK(31, 28) |
| 86 | |
| 87 | #define MT_RXWI_FRAG GENMASK(3, 0) |
| 88 | #define MT_RXWI_SN GENMASK(15, 4) |
| 89 | |
| 90 | #define MT_RXWI_RATE_MCS GENMASK(6, 0) |
| 91 | #define MT_RXWI_RATE_BW BIT(7) |
| 92 | #define MT_RXWI_RATE_SGI BIT(8) |
| 93 | #define MT_RXWI_RATE_STBC GENMASK(10, 9) |
| 94 | #define MT_RXWI_RATE_ETXBF BIT(11) |
| 95 | #define MT_RXWI_RATE_SND BIT(12) |
| 96 | #define MT_RXWI_RATE_ITXBF BIT(13) |
| 97 | #define MT_RXWI_RATE_PHY GENMASK(15, 14) |
| 98 | |
| 99 | #define MT_RXWI_GAIN_RSSI_VAL GENMASK(5, 0) |
| 100 | #define MT_RXWI_GAIN_RSSI_LNA_ID GENMASK(7, 6) |
| 101 | #define MT_RXWI_ANT_AUX_LNA BIT(7) |
| 102 | |
| 103 | #define MT_RXWI_EANT_ENC_ANT_ID GENMASK(7, 0) |
| 104 | |
| 105 | enum mt76_phy_type { |
| 106 | MT_PHY_TYPE_CCK, |
| 107 | MT_PHY_TYPE_OFDM, |
| 108 | MT_PHY_TYPE_HT, |
| 109 | MT_PHY_TYPE_HT_GF, |
| 110 | }; |
| 111 | |
| 112 | enum mt76_phy_bandwidth { |
| 113 | MT_PHY_BW_20, |
| 114 | MT_PHY_BW_40, |
| 115 | }; |
| 116 | |
| 117 | struct mt76_txwi { |
| 118 | __le16 flags; |
| 119 | __le16 rate_ctl; |
| 120 | |
| 121 | u8 ack_ctl; |
| 122 | u8 wcid; |
| 123 | __le16 len_ctl; |
| 124 | |
| 125 | __le32 iv; |
| 126 | |
| 127 | __le32 eiv; |
| 128 | |
| 129 | u8 aid; |
| 130 | u8 txstream; |
| 131 | __le16 ctl; |
| 132 | } __packed __aligned(4); |
| 133 | |
| 134 | #define MT_TXWI_FLAGS_FRAG BIT(0) |
| 135 | #define MT_TXWI_FLAGS_MMPS BIT(1) |
| 136 | #define MT_TXWI_FLAGS_CFACK BIT(2) |
| 137 | #define MT_TXWI_FLAGS_TS BIT(3) |
| 138 | #define MT_TXWI_FLAGS_AMPDU BIT(4) |
| 139 | #define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5) |
| 140 | #define MT_TXWI_FLAGS_TXOP GENMASK(9, 8) |
| 141 | #define MT_TXWI_FLAGS_CWMIN GENMASK(12, 10) |
| 142 | #define MT_TXWI_FLAGS_NO_RATE_FALLBACK BIT(13) |
| 143 | #define MT_TXWI_FLAGS_TX_RPT BIT(14) |
| 144 | #define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15) |
| 145 | |
| 146 | #define MT_TXWI_RATE_MCS GENMASK(6, 0) |
| 147 | #define MT_TXWI_RATE_BW BIT(7) |
| 148 | #define MT_TXWI_RATE_SGI BIT(8) |
| 149 | #define MT_TXWI_RATE_STBC GENMASK(10, 9) |
| 150 | #define MT_TXWI_RATE_PHY_MODE GENMASK(15, 14) |
| 151 | |
| 152 | #define MT_TXWI_ACK_CTL_REQ BIT(0) |
| 153 | #define MT_TXWI_ACK_CTL_NSEQ BIT(1) |
| 154 | #define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2) |
| 155 | |
| 156 | #define MT_TXWI_LEN_BYTE_CNT GENMASK(11, 0) |
| 157 | #define MT_TXWI_LEN_PKTID GENMASK(15, 12) |
| 158 | |
| 159 | #define MT_TXWI_CTL_TX_POWER_ADJ GENMASK(3, 0) |
| 160 | #define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4) |
| 161 | #define MT_TXWI_CTL_PIFS_REV BIT(6) |
| 162 | |
| 163 | u32 mt76_mac_process_rx(struct mt7601u_dev *dev, struct sk_buff *skb, |
| 164 | u8 *data, void *rxi); |
| 165 | int mt76_mac_wcid_set_key(struct mt7601u_dev *dev, u8 idx, |
| 166 | struct ieee80211_key_conf *key); |
| 167 | void mt76_mac_wcid_set_rate(struct mt7601u_dev *dev, struct mt76_wcid *wcid, |
| 168 | const struct ieee80211_tx_rate *rate); |
| 169 | |
| 170 | int mt76_mac_shared_key_setup(struct mt7601u_dev *dev, u8 vif_idx, u8 key_idx, |
| 171 | struct ieee80211_key_conf *key); |
| 172 | u16 mt76_mac_tx_rate_val(struct mt7601u_dev *dev, |
| 173 | const struct ieee80211_tx_rate *rate, u8 *nss_val); |
| 174 | struct mt76_tx_status |
| 175 | mt7601u_mac_fetch_tx_status(struct mt7601u_dev *dev); |
| 176 | void mt76_send_tx_status(struct mt7601u_dev *dev, struct mt76_tx_status *stat); |
| 177 | |
| 178 | #endif |