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net: ethernet: mtk_eth_soc: increase DMA ring sizes 

256 descriptors is not enough for multi-gigabit traffic under load on
MT7622. Bump it to 512 to improve 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>
This commit is contained in:
Felix Fietkau 2021-04-22 22:21:01 -07:00 committed by David S. Miller
parent 59555a8d0d
commit 6b4423b258
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mediatek/mtk_eth_soc.h
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@ -22,7 +22,7 @@
#define MTK_MAX_RX_LENGTH 1536
#define MTK_MAX_RX_LENGTH_2K 2048
#define MTK_TX_DMA_BUF_LEN 0x3fff
#define MTK_DMA_SIZE 256
#define MTK_DMA_SIZE 512
#define MTK_NAPI_WEIGHT 64
#define MTK_MAC_COUNT 2
#define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)