27 lines
987 B
Diff
27 lines
987 B
Diff
From 6b4423b258b91032c50a5efca15d3d9bb194ea1d Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 22 Apr 2021 22:21:01 -0700
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Subject: [PATCH] net: ethernet: mtk_eth_soc: increase DMA ring sizes
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256 descriptors is not enough for multi-gigabit traffic under load on
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MT7622. Bump it to 512 to improve performance.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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@@ -21,7 +21,7 @@
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#define MTK_QDMA_PAGE_SIZE 2048
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#define MTK_MAX_RX_LENGTH 1536
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#define MTK_TX_DMA_BUF_LEN 0x3fff
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-#define MTK_DMA_SIZE 256
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+#define MTK_DMA_SIZE 512
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#define MTK_NAPI_WEIGHT 64
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#define MTK_MAC_COUNT 2
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#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
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