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/*
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
*
* 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
/* Note: values in original "RSSI" and "SNR" fields are not actually what they
* are called for MT76X0U, names used by this driver are educated guesses
* (see vendor mac/ral_omac.c).
*/
struct mt76x0_rxwi {
__le32 rxinfo;
__le32 ctl;
__le16 tid_sn;
__le16 rate;
s8 rssi[4];
__le32 bbp_rxinfo[4];
} __packed __aligned(4);
enum mt76_phy_bandwidth {
MT_PHY_BW_20,
MT_PHY_BW_40,
MT_PHY_BW_80,
};
struct mt76_txwi {
__le16 flags;
__le16 rate_ctl;
u8 ack_ctl;
u8 wcid;
__le16 len_ctl;
__le32 iv;
__le32 eiv;
u8 aid;
u8 txstream;
u8 ctl2;
u8 pktid;
} __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_CTL_TX_POWER_ADJ GENMASK(3, 0)
#define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4)
#define MT_TXWI_CTL_PIFS_REV BIT(6)
#define MT_TXWI_PKTID_PROBE BIT(7)
u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb,
u8 *data, void *rxi);
struct mt76x02_tx_status
mt76x0_mac_fetch_tx_status(struct mt76x0_dev *dev);
void mt76x0_send_tx_status(struct mt76x0_dev *dev, struct mt76x02_tx_status *stat, u8 *update);
#endif
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