summary refs log tree commit diff
path: root/drivers
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@nbd.name>2021-04-22 22:21:01 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-23 13:31:58 -0700
commit6b4423b258b91032c50a5efca15d3d9bb194ea1d (patch)
treeb92299db7b46346fd84a61956505d1e2bcb7e970 /drivers
parent59555a8d0dd39bf60b7ca1ba5e7393d293f7398d (diff)
downloadlinux-6b4423b258b91032c50a5efca15d3d9bb194ea1d.tar.gz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 83883d86b881..540a5771b7bf 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -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)