diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mac.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mac.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h new file mode 100644 index 000000000..5dc6c8341 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h @@ -0,0 +1,208 @@ +/* SPDX-License-Identifier: ISC */ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + */ + +#ifndef __MT76X02_MAC_H +#define __MT76X02_MAC_H + +struct mt76x02_dev; + +struct mt76x02_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); + +#define MT_VIF_WCID(_n) (254 - ((_n) & 7)) +#define MT_MAX_VIFS 8 + +#define MT_PKTID_RATE GENMASK(4, 0) +#define MT_PKTID_AC GENMASK(6, 5) + +struct mt76x02_vif { + struct mt76_wcid group_wcid; /* must be first */ + u8 idx; +}; + +DECLARE_EWMA(pktlen, 8, 8); + +struct mt76x02_sta { + struct mt76_wcid wcid; /* must be first */ + + struct mt76x02_vif *vif; + struct mt76x02_tx_status status; + int n_frames; + + struct ewma_pktlen pktlen; +}; + +#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) + +struct mt76x02_rxwi { + __le32 rxinfo; + + __le32 ctl; + + __le16 tid_sn; + __le16 rate; + + u8 rssi[4]; + + __le32 bbp_rxinfo[4]; +}; + +#define MT_TX_PWR_ADJ GENMASK(3, 0) + +enum mt76x2_phy_bandwidth { + 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) + +struct mt76x02_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 bool mt76x02_wait_for_mac(struct mt76_dev *dev) +{ + const u32 MAC_CSR0 = 0x1000; + int i; + + for (i = 0; i < 500; i++) { + if (test_bit(MT76_REMOVED, &dev->phy.state)) + return false; + + switch (dev->bus->rr(dev, MAC_CSR0)) { + case 0: + case ~0: + break; + default: + return true; + } + usleep_range(5000, 10000); + } + return false; +} + +void mt76x02_mac_reset_counters(struct mt76x02_dev *dev); +void mt76x02_mac_set_short_preamble(struct mt76x02_dev *dev, bool enable); +int mt76x02_mac_shared_key_setup(struct mt76x02_dev *dev, u8 vif_idx, + u8 key_idx, struct ieee80211_key_conf *key); +int mt76x02_mac_wcid_set_key(struct mt76x02_dev *dev, u8 idx, + struct ieee80211_key_conf *key); +void mt76x02_mac_wcid_sync_pn(struct mt76x02_dev *dev, u8 idx, + struct ieee80211_key_conf *key); +void mt76x02_mac_wcid_setup(struct mt76x02_dev *dev, u8 idx, u8 vif_idx, + u8 *mac); +void mt76x02_mac_wcid_set_drop(struct mt76x02_dev *dev, u8 idx, bool drop); +void mt76x02_mac_wcid_set_rate(struct mt76x02_dev *dev, struct mt76_wcid *wcid, + const struct ieee80211_tx_rate *rate); +bool mt76x02_mac_load_tx_status(struct mt76x02_dev *dev, + struct mt76x02_tx_status *stat); +void mt76x02_send_tx_status(struct mt76x02_dev *dev, + struct mt76x02_tx_status *stat, u8 *update); +int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, + void *rxi); +void mt76x02_mac_set_tx_protection(struct mt76x02_dev *dev, bool legacy_prot, + int ht_mode); +void mt76x02_mac_set_rts_thresh(struct mt76x02_dev *dev, u32 val); +void mt76x02_mac_setaddr(struct mt76x02_dev *dev, const u8 *addr); +void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, int len); +void mt76x02_mac_poll_tx_status(struct mt76x02_dev *dev, bool irq); +void mt76x02_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); +void mt76x02_update_channel(struct mt76_phy *mphy); +void mt76x02_mac_work(struct work_struct *work); + +void mt76x02_mac_cc_reset(struct mt76x02_dev *dev); +void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr); +void mt76x02_mac_set_beacon(struct mt76x02_dev *dev, struct sk_buff *skb); +void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, + struct ieee80211_vif *vif, bool enable); + +void mt76x02_edcca_init(struct mt76x02_dev *dev); +#endif |