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| author | Felix Fietkau <nbd@nbd.name> | 2020-08-27 06:39:48 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-01 17:01:56 +0200 |
| commit | b5d425af237dc03327078d6b9be178a38b5f8723 (patch) | |
| tree | 42448318e13eef9ff603b01ebc3088a32ce617ec /target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch | |
| parent | 6541028598b4a1079ee6182c5b50d6bcd9e21002 (diff) | |
| download | upstream-b5d425af237dc03327078d6b9be178a38b5f8723.tar.gz upstream-b5d425af237dc03327078d6b9be178a38b5f8723.tar.bz2 upstream-b5d425af237dc03327078d6b9be178a38b5f8723.zip | |
mediatek/ramips: unify ethernet driver fixes and add performance optimizations
Increase DMA burst size and tx ring size and optimize tx processing
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch b/target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch new file mode 100644 index 0000000000..f68cbc333c --- /dev/null +++ b/target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch @@ -0,0 +1,21 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Wed, 26 Aug 2020 16:59:41 +0200 +Subject: [PATCH] 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> +--- + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -19,7 +19,7 @@ + #define MTK_QDMA_PAGE_SIZE 2048 + #define MTK_MAX_RX_LENGTH 1536 + #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 (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) |