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mac.h
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/*
* Copyright (C) 2014 Felix Fietkau <[email protected]>
*
* 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_dev;
struct mt76_sta;
struct mt76_vif;
struct mt76_wcid;
struct mt76_txwi;
struct mt76_queue;
struct mt76_txwi_cache;
struct mt76_tx_status {
u8 valid:1;
u8 success:1;
u8 aggr:1;
u8 ack_req:1;
u8 wcid;
u8 pktid;
u8 retry;
u16 rate;
} __packed __aligned(2);
struct mt76_tx_info {
unsigned long jiffies;
u8 tries;
u8 wcid;
u8 pktid;
u8 retry;
};
struct mt76_rxwi {
__le32 rxinfo;
__le32 ctl;
__le16 tid_sn;
__le16 rate;
u8 rssi[4];
__le32 bbp_rxinfo[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_UNICAST 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_FTYPE0 BIT(22)
#define MT_RXINFO_SW_FTYPE1 BIT(23)
#define MT_RXINFO_PROBE_RESP BIT(24)
#define MT_RXINFO_BEACON BIT(25)
#define MT_RXINFO_DISASSOC BIT(26)
#define MT_RXINFO_DEAUTH BIT(27)
#define MT_RXINFO_ACTION BIT(28)
#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(29, 16)
#define MT_RXWI_CTL_EOF BIT(31)
#define MT_RXWI_TID GENMASK(3, 0)
#define MT_RXWI_SN GENMASK(15, 4)
#define MT_RXWI_RATE_INDEX GENMASK(5, 0)
#define MT_RXWI_RATE_LDPC BIT(6)
#define MT_RXWI_RATE_BW GENMASK(8, 7)
#define MT_RXWI_RATE_SGI BIT(9)
#define MT_RXWI_RATE_STBC BIT(10)
#define MT_RXWI_RATE_LDPC_EXSYM BIT(11)
#define MT_RXWI_RATE_PHY GENMASK(15, 13)
#define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0)
#define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4)
enum mt76_phy_type {
MT_PHY_TYPE_CCK,
MT_PHY_TYPE_OFDM,
MT_PHY_TYPE_HT,
MT_PHY_TYPE_HT_GF,
MT_PHY_TYPE_VHT,
};
enum mt76_phy_bandwith {
MT_PHY_BW_20,
MT_PHY_BW_40,
MT_PHY_BW_80,
};
#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_NDPS BIT(10)
#define MT_TXWI_FLAGS_RTSBWSIG BIT(11)
#define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12)
#define MT_TXWI_FLAGS_SOUND BIT(14)
#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
#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_PKTID_PROBE BIT(7)
struct mt76_txwi {
__le16 flags;
__le16 rate;
u8 ack_ctl;
u8 wcid;
__le16 len_ctl;
__le32 iv;
__le32 eiv;
u8 aid;
u8 txstream;
u8 ctl2;
u8 pktid;
} __packed __aligned(4);
static inline struct mt76_tx_info *
mt76_skb_tx_info(struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
return (void *) info->status.status_driver_data;
}
int mt76_mac_reset(struct mt76_dev *dev, bool hard);
int mt76_mac_start(struct mt76_dev *dev);
void mt76_mac_stop(struct mt76_dev *dev, bool force);
void mt76_mac_resume(struct mt76_dev *dev);
void mt76_mac_set_bssid(struct mt76_dev *dev, u8 idx, const u8 *addr);
int mt76_mac_process_rx(struct mt76_dev *dev, struct sk_buff *skb, void *rxwi);
void mt76_mac_write_txwi(struct mt76_dev *dev, struct mt76_txwi *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta);
void mt76_mac_wcid_setup(struct mt76_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
int mt76_mac_wcid_set_key(struct mt76_dev *dev, u8 idx,
struct ieee80211_key_conf *key);
void mt76_mac_wcid_set_rate(struct mt76_dev *dev, struct mt76_wcid *wcid,
const struct ieee80211_tx_rate *rate);
int mt76_mac_shared_key_setup(struct mt76_dev *dev, u8 vif_idx, u8 key_idx,
struct ieee80211_key_conf *key);
int mt76_insert_hdr_pad(struct sk_buff *skb);
void mt76_remove_hdr_pad(struct sk_buff *skb);
int mt76_mac_skb_tx_overhead(struct mt76_dev *dev, struct sk_buff *skb);
int mt76_mac_set_beacon(struct mt76_dev *dev, u8 vif_idx, struct sk_buff *skb);
void mt76_mac_set_beacon_enable(struct mt76_dev *dev, u8 vif_idx, bool val);
void mt76_mac_queue_txdone(struct mt76_dev *dev, struct sk_buff *skb,
struct mt76_txwi *txwi);
void mt76_mac_poll_tx_status(struct mt76_dev *dev, bool irq);
void mt76_mac_process_tx_status_fifo(struct mt76_dev *dev);
void mt76_mac_work(struct work_struct *work);
#endif