190 lines
5.3 KiB
C
190 lines
5.3 KiB
C
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/*
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* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __MT76x2_MAC_H
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#define __MT76x2_MAC_H
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#include "mt76.h"
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struct mt76x2_dev;
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struct mt76x2_sta;
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struct mt76x2_vif;
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struct mt76x2_txwi;
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struct mt76x2_tx_status {
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u8 valid:1;
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u8 success:1;
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u8 aggr:1;
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u8 ack_req:1;
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u8 wcid;
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u8 pktid;
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u8 retry;
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u16 rate;
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} __packed __aligned(2);
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struct mt76x2_tx_info {
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unsigned long jiffies;
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u8 tries;
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u8 wcid;
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u8 pktid;
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u8 retry;
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};
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struct mt76x2_rxwi {
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__le32 rxinfo;
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__le32 ctl;
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__le16 tid_sn;
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__le16 rate;
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u8 rssi[4];
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__le32 bbp_rxinfo[4];
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};
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#define MT_RXINFO_BA BIT(0)
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#define MT_RXINFO_DATA BIT(1)
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#define MT_RXINFO_NULL BIT(2)
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#define MT_RXINFO_FRAG BIT(3)
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#define MT_RXINFO_UNICAST BIT(4)
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#define MT_RXINFO_MULTICAST BIT(5)
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#define MT_RXINFO_BROADCAST BIT(6)
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#define MT_RXINFO_MYBSS BIT(7)
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#define MT_RXINFO_CRCERR BIT(8)
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#define MT_RXINFO_ICVERR BIT(9)
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#define MT_RXINFO_MICERR BIT(10)
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#define MT_RXINFO_AMSDU BIT(11)
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#define MT_RXINFO_HTC BIT(12)
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#define MT_RXINFO_RSSI BIT(13)
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#define MT_RXINFO_L2PAD BIT(14)
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#define MT_RXINFO_AMPDU BIT(15)
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#define MT_RXINFO_DECRYPT BIT(16)
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#define MT_RXINFO_BSSIDX3 BIT(17)
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#define MT_RXINFO_WAPI_KEY BIT(18)
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#define MT_RXINFO_PN_LEN GENMASK(21, 19)
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#define MT_RXINFO_SW_FTYPE0 BIT(22)
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#define MT_RXINFO_SW_FTYPE1 BIT(23)
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#define MT_RXINFO_PROBE_RESP BIT(24)
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#define MT_RXINFO_BEACON BIT(25)
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#define MT_RXINFO_DISASSOC BIT(26)
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#define MT_RXINFO_DEAUTH BIT(27)
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#define MT_RXINFO_ACTION BIT(28)
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#define MT_RXINFO_TCP_SUM_ERR BIT(30)
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#define MT_RXINFO_IP_SUM_ERR BIT(31)
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#define MT_RXWI_CTL_WCID GENMASK(7, 0)
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#define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8)
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#define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10)
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#define MT_RXWI_CTL_UDF GENMASK(15, 13)
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#define MT_RXWI_CTL_MPDU_LEN GENMASK(29, 16)
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#define MT_RXWI_CTL_EOF BIT(31)
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#define MT_RXWI_TID GENMASK(3, 0)
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#define MT_RXWI_SN GENMASK(15, 4)
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#define MT_RXWI_RATE_INDEX GENMASK(5, 0)
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#define MT_RXWI_RATE_LDPC BIT(6)
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#define MT_RXWI_RATE_BW GENMASK(8, 7)
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#define MT_RXWI_RATE_SGI BIT(9)
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#define MT_RXWI_RATE_STBC BIT(10)
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#define MT_RXWI_RATE_LDPC_EXSYM BIT(11)
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#define MT_RXWI_RATE_PHY GENMASK(15, 13)
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#define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0)
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#define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4)
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#define MT_TX_PWR_ADJ GENMASK(3, 0)
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enum mt76x2_phy_bandwidth {
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MT_PHY_BW_20,
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MT_PHY_BW_40,
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MT_PHY_BW_80,
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};
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#define MT_TXWI_FLAGS_FRAG BIT(0)
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#define MT_TXWI_FLAGS_MMPS BIT(1)
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#define MT_TXWI_FLAGS_CFACK BIT(2)
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#define MT_TXWI_FLAGS_TS BIT(3)
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#define MT_TXWI_FLAGS_AMPDU BIT(4)
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#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)
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#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)
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#define MT_TXWI_FLAGS_NDPS BIT(10)
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#define MT_TXWI_FLAGS_RTSBWSIG BIT(11)
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#define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12)
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#define MT_TXWI_FLAGS_SOUND BIT(14)
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#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
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#define MT_TXWI_ACK_CTL_REQ BIT(0)
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#define MT_TXWI_ACK_CTL_NSEQ BIT(1)
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#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)
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#define MT_TXWI_PKTID_PROBE BIT(7)
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struct mt76x2_txwi {
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__le16 flags;
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__le16 rate;
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u8 ack_ctl;
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u8 wcid;
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__le16 len_ctl;
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__le32 iv;
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__le32 eiv;
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u8 aid;
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u8 txstream;
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u8 ctl2;
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u8 pktid;
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} __packed __aligned(4);
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static inline struct mt76x2_tx_info *
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mt76x2_skb_tx_info(struct sk_buff *skb)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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return (void *) info->status.status_driver_data;
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}
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int mt76x2_mac_start(struct mt76x2_dev *dev);
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void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force);
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void mt76x2_mac_resume(struct mt76x2_dev *dev);
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void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr);
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int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
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void *rxi);
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void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
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struct sk_buff *skb, struct mt76_wcid *wcid,
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struct ieee80211_sta *sta, int len);
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void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
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int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
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struct ieee80211_key_conf *key);
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void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
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const struct ieee80211_tx_rate *rate);
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void mt76x2_mac_wcid_set_drop(struct mt76x2_dev *dev, u8 idx, bool drop);
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int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx,
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struct ieee80211_key_conf *key);
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int mt76x2_mac_set_beacon(struct mt76x2_dev *dev, u8 vif_idx,
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struct sk_buff *skb);
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void mt76x2_mac_set_beacon_enable(struct mt76x2_dev *dev, u8 vif_idx, bool val);
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void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq);
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void mt76x2_mac_process_tx_status_fifo(struct mt76x2_dev *dev);
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void mt76x2_mac_work(struct work_struct *work);
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#endif
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