22 lines
704 B
Diff
22 lines
704 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 26 Aug 2020 16:59:41 +0200
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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 MT7622.
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Bump it to 512 to improve performance
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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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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@@ -19,7 +19,7 @@
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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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