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| author | Felix Fietkau <nbd@nbd.name> | 2020-09-13 09:34:37 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-13 11:14:32 +0200 |
| commit | f0cc5f6c0a72b7da9ed5915cf561e2f81d514c68 (patch) | |
| tree | 87523c6da3cfdbd48968d21eacb3049508ea21a9 /target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch | |
| parent | 17e64b9447959858c5c85f7f6c98264775585711 (diff) | |
| download | upstream-f0cc5f6c0a72b7da9ed5915cf561e2f81d514c68.tar.gz upstream-f0cc5f6c0a72b7da9ed5915cf561e2f81d514c68.tar.bz2 upstream-f0cc5f6c0a72b7da9ed5915cf561e2f81d514c68.zip | |
ramips/mediatek: improve GRO performance, fix PPE packet parsing
Backport upstream changes to initialize GDM settings and reset PPE
Allow GMAC to recognize the special tag to fix PPE packet parsing
Improve GRO performance by passing PPE L4 hash as skb hash
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch b/target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch new file mode 100644 index 0000000000..b8c40ef665 --- /dev/null +++ b/target/linux/generic/backport-5.4/762-net-ethernet-mediatek-Enable-GDM-GDMA_DROP_ALL-mode.patch @@ -0,0 +1,33 @@ +From: MarkLee <Mark-MC.Lee@mediatek.com> +Date: Wed, 13 Nov 2019 10:38:44 +0800 +Subject: [PATCH] net: ethernet: mediatek: Enable GDM GDMA_DROP_ALL mode + +Enable GDM GDMA_DROP_ALL mode to drop all packet during the +stop operation. This is recommended by the mt762x HW design +to drop all packet from GMAC before stopping PDMA. + +Signed-off-by: MarkLee <Mark-MC.Lee@mediatek.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -2310,6 +2310,8 @@ static int mtk_stop(struct net_device *d + if (!refcount_dec_and_test(ð->dma_refcnt)) + return 0; + ++ mtk_gdm_config(eth, MTK_GDMA_DROP_ALL); ++ + mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); + mtk_rx_irq_disable(eth, MTK_RX_DONE_INT); + napi_disable(ð->tx_napi); +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -85,6 +85,7 @@ + #define MTK_GDMA_TCS_EN BIT(21) + #define MTK_GDMA_UCS_EN BIT(20) + #define MTK_GDMA_TO_PDMA 0x0 ++#define MTK_GDMA_DROP_ALL 0x7777 + + /* Unicast Filter MAC Address Register - Low */ + #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) |