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wifi: mt76: mt7996: add wed rx support

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Similar to MT7915, enable Wireless Ethernet Ditpatcher for MT7996
to offload traffic received from the WLAN nic and transmitted on the
LAN one

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Bo Jiao
2023-11-17 14:12:32 +01:00
committed by Felix Fietkau
parent a469aaac97
commit abca260a15
11 changed files with 772 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dma.h
+43
View File
@@ -23,8 +23,17 @@
#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 +46,11 @@ 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 +68,38 @@ 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);
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