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net: ethernet: mtk_eth_soc: use larger burst size for QDMA TX
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Improves tx performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Felix Fietkau authored and David S. Miller committed Apr 23, 2021
1 parent 16ef670 commit 59555a8
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Showing 2 changed files with 2 additions and 2 deletions.
2 changes: 1 addition & 1 deletion drivers/net/ethernet/mediatek/mtk_eth_soc.c
Original file line number Diff line number Diff line change
Expand Up @@ -2193,7 +2193,7 @@ static int mtk_start_dma(struct mtk_eth *eth)
if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
mtk_w32(eth,
MTK_TX_WB_DDONE | MTK_TX_DMA_EN |
MTK_DMA_SIZE_16DWORDS | MTK_NDP_CO_PRO |
MTK_TX_BT_32DWORDS | MTK_NDP_CO_PRO |
MTK_RX_DMA_EN | MTK_RX_2B_OFFSET |
MTK_RX_BT_32DWORDS,
MTK_QDMA_GLO_CFG);
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2 changes: 1 addition & 1 deletion drivers/net/ethernet/mediatek/mtk_eth_soc.h
Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,7 @@
#define MTK_RX_BT_32DWORDS (3 << 11)
#define MTK_NDP_CO_PRO BIT(10)
#define MTK_TX_WB_DDONE BIT(6)
#define MTK_DMA_SIZE_16DWORDS (2 << 4)
#define MTK_TX_BT_32DWORDS (3 << 4)
#define MTK_RX_DMA_BUSY BIT(3)
#define MTK_TX_DMA_BUSY BIT(1)
#define MTK_RX_DMA_EN BIT(2)
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