diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h index 1b090d78cd05..c479cc6388ef 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.h +++ b/drivers/net/wireless/mediatek/mt76/dma.h @@ -19,12 +19,23 @@ #define MT_DMA_CTL_TO_HOST_A BIT(12) #define MT_DMA_CTL_DROP BIT(14) #define MT_DMA_CTL_TOKEN GENMASK(31, 16) +#define MT_DMA_CTL_SDP1_H GENMASK(19, 16) +#define MT_DMA_CTL_SDP0_H GENMASK(3, 0) #define MT_DMA_CTL_WO_DROP BIT(8) #define MT_DMA_PPE_CPU_REASON GENMASK(15, 11) #define MT_DMA_PPE_ENTRY GENMASK(30, 16) +#define MT_DMA_INFO_DMA_FRAG BIT(9) #define MT_DMA_INFO_PPE_VLD BIT(31) +#define MT_DMA_CTL_PN_CHK_FAIL BIT(13) +#define MT_DMA_CTL_VER_MASK BIT(7) + +#define MT_DMA_RRO_EN BIT(13) + +#define MT_DMA_WED_IND_CMD_CNT 8 +#define MT_DMA_WED_IND_REASON GENMASK(15, 12) + #define MT_DMA_HDR_LEN 4 #define MT_RX_INFO_LEN 4 #define MT_FCE_INFO_LEN 4 @@ -37,6 +48,11 @@ struct mt76_desc { __le32 info; } __packed __aligned(4); +struct mt76_wed_rro_desc { + __le32 buf0; + __le32 buf1; +} __packed __aligned(4); + enum mt76_qsel { MT_QSEL_MGMT, MT_QSEL_HCCA, @@ -54,9 +70,47 @@ enum mt76_mcu_evt_type { EVT_EVENT_DFS_DETECT_RSP, }; +enum mt76_dma_wed_ind_reason { + MT_DMA_WED_IND_REASON_NORMAL, + MT_DMA_WED_IND_REASON_REPEAT, + MT_DMA_WED_IND_REASON_OLDPKT, +}; + int mt76_dma_rx_poll(struct napi_struct *napi, int budget); void mt76_dma_attach(struct mt76_dev *dev); void mt76_dma_cleanup(struct mt76_dev *dev); int mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset); +void mt76_dma_wed_reset(struct mt76_dev *dev); + +static inline void +mt76_dma_reset_tx_queue(struct mt76_dev *dev, struct mt76_queue *q) +{ + dev->queue_ops->reset_q(dev, q); + if (mtk_wed_device_active(&dev->mmio.wed)) + mt76_dma_wed_setup(dev, q, true); +} + +static inline void +mt76_dma_should_drop_buf(bool *drop, u32 ctrl, u32 buf1, u32 info) +{ + if (!drop) + return; + + *drop = !!(ctrl & (MT_DMA_CTL_TO_HOST_A | MT_DMA_CTL_DROP)); + if (!(ctrl & MT_DMA_CTL_VER_MASK)) + return; + + switch (FIELD_GET(MT_DMA_WED_IND_REASON, buf1)) { + case MT_DMA_WED_IND_REASON_REPEAT: + *drop = true; + break; + case MT_DMA_WED_IND_REASON_OLDPKT: + *drop = !(info & MT_DMA_INFO_DMA_FRAG); + break; + default: + *drop = !!(ctrl & MT_DMA_CTL_PN_CHK_FAIL); + break; + } +} #endif |