1 From: Felix Fietkau <nbd@nbd.name>
2 Date: Wed, 26 Aug 2020 16:58:55 +0200
3 Subject: [PATCH] net: ethernet: mtk_eth_soc: use larger burst size for
6 Improves tx performance
8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
11 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
12 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
13 @@ -2191,7 +2191,7 @@ static int mtk_start_dma(struct mtk_eth
14 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
16 MTK_TX_WB_DDONE | MTK_TX_DMA_EN |
17 - MTK_DMA_SIZE_16DWORDS | MTK_NDP_CO_PRO |
18 + MTK_TX_BT_32DWORDS | MTK_NDP_CO_PRO |
19 MTK_RX_DMA_EN | MTK_RX_2B_OFFSET |
22 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
23 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
25 #define MTK_RX_BT_32DWORDS (3 << 11)
26 #define MTK_NDP_CO_PRO BIT(10)
27 #define MTK_TX_WB_DDONE BIT(6)
28 -#define MTK_DMA_SIZE_16DWORDS (2 << 4)
29 +#define MTK_TX_BT_32DWORDS (3 << 4)
30 #define MTK_RX_DMA_BUSY BIT(3)
31 #define MTK_TX_DMA_BUSY BIT(1)
32 #define MTK_RX_DMA_EN BIT(2)