diff options
| author | Felix Fietkau <nbd@nbd.name> | 2019-12-18 17:46:27 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-02-14 10:06:07 +0100 |
| commit | 6aa4ed7927f11620c6b06c408ebcfae4250ce7ca (patch) | |
| tree | 3bb0f979cfd5b87fabb5c09aafb63716cdfb2bd7 /drivers/net/wireless/mediatek/mt76/mt7615/mac.h | |
| parent | 35da599fcdc2af4db091a5ece968379d1d1d9d6e (diff) | |
mt76: mt7615: implement DMA support for MT7622
MT7622 does not have the CR4 microcontroller sitting in the data path.
Because of that, it uses the chip's native tx descriptor format instead of
something parsed and converted by the firmware.
Co-developed-by: Shayne Chen <shayne.chen@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mac.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h index 9b7c45bf1ec5..bf12eba549f7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h @@ -233,8 +233,27 @@ enum tx_phy_bandwidth { #define MT_TX_RATE_IDX GENMASK(5, 0) #define MT_TXP_MAX_BUF_NUM 6 +#define MT_HW_TXP_MAX_MSDU_NUM 4 +#define MT_HW_TXP_MAX_BUF_NUM 4 -struct mt7615_txp { +#define MT_MSDU_ID_VALID BIT(15) + +#define MT_TXD_LEN_MSDU_LAST BIT(14) +#define MT_TXD_LEN_AMSDU_LAST BIT(15) + +struct mt7615_txp_ptr { + __le32 buf0; + __le16 len0; + __le16 len1; + __le32 buf1; +} __packed __aligned(4); + +struct mt7615_hw_txp { + __le16 msdu_id[MT_HW_TXP_MAX_MSDU_NUM]; + struct mt7615_txp_ptr ptr[MT_HW_TXP_MAX_BUF_NUM / 2]; +} __packed __aligned(4); + +struct mt7615_fw_txp { __le16 flags; __le16 token; u8 bss_idx; @@ -245,6 +264,13 @@ struct mt7615_txp { __le16 len[MT_TXP_MAX_BUF_NUM]; } __packed __aligned(4); +struct mt7615_txp_common { + union { + struct mt7615_fw_txp fw; + struct mt7615_hw_txp hw; + }; +}; + struct mt7615_tx_free { __le16 rx_byte_cnt; __le16 ctrl; @@ -353,7 +379,7 @@ enum mt7615_cipher_type { MT_CIPHER_GCMP_256, }; -static inline struct mt7615_txp * +static inline struct mt7615_txp_common * mt7615_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t) { u8 *txwi; @@ -363,7 +389,7 @@ mt7615_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t) txwi = mt76_get_txwi_ptr(dev, t); - return (struct mt7615_txp *)(txwi + MT_TXD_SIZE); + return (struct mt7615_txp_common *)(txwi + MT_TXD_SIZE); } #endif |