diff options
| -rw-r--r-- | target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi | 2 | ||||
| -rw-r--r-- | target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch (renamed from target/linux/lantiq/patches-5.10/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch) | 12 | ||||
| -rw-r--r-- | target/linux/lantiq/patches-5.10/0710-v5.16-net-lantiq-configure-the-burst-length-in-ethernet-dr.patch (renamed from target/linux/lantiq/patches-5.10/0710-net-lantiq-configure-burst-length-for-ethernet.patch) | 18 | ||||
| -rw-r--r-- | target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch | 73 | ||||
| -rw-r--r-- | target/linux/lantiq/patches-5.10/0712-v5.16-net-ethernet-lantiq_etop-Fix-compilation-error.patch | 26 |
5 files changed, 116 insertions, 15 deletions
diff --git a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi index e379b07b53..27858be28f 100644 --- a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi +++ b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi @@ -488,8 +488,6 @@ interrupt-names = "tx", "rx"; resets = <&reset0 21 16>, <&reset0 8 8>, <&reset0 3 3>; reset-names = "switch", "ppe", "ppe_dsp"; - lantiq,tx-burst-length = <8>; - lantiq,rx-burst-length = <8>; #address-cells = <1>; #size-cells = <0>; diff --git a/target/linux/lantiq/patches-5.10/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch b/target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch index fab2440453..33c06e9d77 100644 --- a/target/linux/lantiq/patches-5.10/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch +++ b/target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch @@ -1,12 +1,14 @@ -From 6615eeb39f7a110a196f20acbfb3a017da4d75d2 Mon Sep 17 00:00:00 2001 +From 49293bbc50cb7d44223eb49e0f7cb38e7dac2361 Mon Sep 17 00:00:00 2001 From: Aleksander Jan Bajkowski <olek2@wp.pl> -Date: Fri, 14 May 2021 21:25:08 +0200 -Subject: [PATCH 4/5] MIPS: lantiq: dma: make a burst length configurable in - drivers +Date: Tue, 14 Sep 2021 23:21:01 +0200 +Subject: [PATCH 4/5] MIPS: lantiq: dma: make the burst length configurable by + the drivers -Make a burst length configurable in drivers. +Make the burst length configurable by the drivers. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> +Acked-by: Hauke Mehrtens <hauke@hauke-m.de> +Signed-off-by: David S. Miller <davem@davemloft.net> --- .../include/asm/mach-lantiq/xway/xway_dma.h | 2 +- arch/mips/lantiq/xway/dma.c | 38 ++++++++++++++++--- diff --git a/target/linux/lantiq/patches-5.10/0710-net-lantiq-configure-burst-length-for-ethernet.patch b/target/linux/lantiq/patches-5.10/0710-v5.16-net-lantiq-configure-the-burst-length-in-ethernet-dr.patch index 0a2996813a..bf3b903616 100644 --- a/target/linux/lantiq/patches-5.10/0710-net-lantiq-configure-burst-length-for-ethernet.patch +++ b/target/linux/lantiq/patches-5.10/0710-v5.16-net-lantiq-configure-the-burst-length-in-ethernet-dr.patch @@ -1,11 +1,12 @@ -From ec1a17a11aced3cd756e59d91ad6f50b7a2fabfb Mon Sep 17 00:00:00 2001 +From 14d4e308e0aa0b78dc7a059716861a4380de3535 Mon Sep 17 00:00:00 2001 From: Aleksander Jan Bajkowski <olek2@wp.pl> -Date: Sun, 16 May 2021 15:52:06 +0200 -Subject: [PATCH 5/5] net: lantiq: configure burst length for ethernet +Date: Tue, 14 Sep 2021 23:21:02 +0200 +Subject: [PATCH 5/5] net: lantiq: configure the burst length in ethernet + drivers -Configure the burst length for Ethernet. This improves Ethernet -performance by 58%. According to the vendor BSP, 8W burst length -is supported by ar9 and newer SoCs. +Configure the burst length in Ethernet drivers. This improves +Ethernet performance by 58%. According to the vendor BSP, +8W burst length is supported by ar9 and newer SoCs. The NAT benchmark results on xRX200 (Down/Up): * 2W: 330 Mb/s @@ -15,6 +16,7 @@ The NAT benchmark results on xRX200 (Down/Up): Tested on xRX200 and xRX330. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/ethernet/lantiq_etop.c | 21 ++++++++++++++++++--- drivers/net/ethernet/lantiq_xrx200.c | 21 ++++++++++++++++++--- @@ -37,7 +39,7 @@ Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> int err; - ltq_dma_init_port(DMA_PORT_ETOP); -+ ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, priv->rx_burst_len); ++ ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, rx_burst_len); priv->txch.dma.nr = tx; priv->txch.dma.dev = &priv->pdev->dev; @@ -99,7 +101,7 @@ Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> int i; - ltq_dma_init_port(DMA_PORT_ETOP); -+ ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, priv->rx_burst_len); ++ ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, rx_burst_len); ch_rx->dma.nr = XRX200_DMA_RX; ch_rx->dma.dev = priv->dev; diff --git a/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch b/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch new file mode 100644 index 0000000000..0b68179a48 --- /dev/null +++ b/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch @@ -0,0 +1,73 @@ +From 7e553c44f09a8f536090904c6db5b8c9dbafa03b Mon Sep 17 00:00:00 2001 +From: Aleksander Jan Bajkowski <olek2@wp.pl> +Date: Tue, 26 Oct 2021 22:59:01 +0200 +Subject: [PATCH] net: lantiq_xrx200: Hardcode the burst length value + +All SoCs with this IP core support 8 burst length. Hauke +suggested to hardcode this value and simplify the driver. + +Link: https://lkml.org/lkml/2021/9/14/1533 +Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/lantiq_xrx200.c | 21 ++++----------------- + 1 file changed, 4 insertions(+), 17 deletions(-) + +--- a/drivers/net/ethernet/lantiq_xrx200.c ++++ b/drivers/net/ethernet/lantiq_xrx200.c +@@ -23,6 +23,7 @@ + #define XRX200_DMA_DATA_LEN 0x600 + #define XRX200_DMA_RX 0 + #define XRX200_DMA_TX 1 ++#define XRX200_DMA_BURST_LEN 8 + + /* cpu port mac */ + #define PMAC_RX_IPG 0x0024 +@@ -71,9 +72,6 @@ struct xrx200_priv { + struct net_device *net_dev; + struct device *dev; + +- int tx_burst_len; +- int rx_burst_len; +- + __iomem void *pmac_reg; + }; + +@@ -320,7 +318,7 @@ static netdev_tx_t xrx200_start_xmit(str + goto err_drop; + + /* dma needs to start on a burst length value aligned address */ +- byte_offset = mapping % (priv->tx_burst_len * 4); ++ byte_offset = mapping % (XRX200_DMA_BURST_LEN * 4); + + desc->addr = mapping - byte_offset; + /* Make sure the address is written before we give it to HW */ +@@ -372,7 +370,8 @@ static int xrx200_dma_init(struct xrx200 + int ret = 0; + int i; + +- ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, rx_burst_len); ++ ltq_dma_init_port(DMA_PORT_ETOP, XRX200_DMA_BURST_LEN, ++ XRX200_DMA_BURST_LEN); + + ch_rx->dma.nr = XRX200_DMA_RX; + ch_rx->dma.dev = priv->dev; +@@ -490,18 +489,6 @@ static int xrx200_probe(struct platform_ + if (err) + eth_hw_addr_random(net_dev); + +- err = device_property_read_u32(dev, "lantiq,tx-burst-length", &priv->tx_burst_len); +- if (err < 0) { +- dev_err(dev, "unable to read tx-burst-length property\n"); +- return err; +- } +- +- err = device_property_read_u32(dev, "lantiq,rx-burst-length", &priv->rx_burst_len); +- if (err < 0) { +- dev_err(dev, "unable to read rx-burst-length property\n"); +- return err; +- } +- + /* bring up the dma engine and IP core */ + err = xrx200_dma_init(priv); + if (err) diff --git a/target/linux/lantiq/patches-5.10/0712-v5.16-net-ethernet-lantiq_etop-Fix-compilation-error.patch b/target/linux/lantiq/patches-5.10/0712-v5.16-net-ethernet-lantiq_etop-Fix-compilation-error.patch new file mode 100644 index 0000000000..06f4bc2eee --- /dev/null +++ b/target/linux/lantiq/patches-5.10/0712-v5.16-net-ethernet-lantiq_etop-Fix-compilation-error.patch @@ -0,0 +1,26 @@ +From 68eabc348148ae051631e8dab13c3b1a85c82896 Mon Sep 17 00:00:00 2001 +From: Aleksander Jan Bajkowski <olek2@wp.pl> +Date: Tue, 9 Nov 2021 23:23:54 +0100 +Subject: [PATCH] net: ethernet: lantiq_etop: Fix compilation error + +This fixes the error detected when compiling the driver. + +Fixes: 14d4e308e0aa ("net: lantiq: configure the burst length in ethernet drivers") +Reported-by: kernel test robot <lkp@intel.com> +Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/lantiq_etop.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/lantiq_etop.c ++++ b/drivers/net/ethernet/lantiq_etop.c +@@ -402,7 +402,7 @@ ltq_etop_dma_init(struct net_device *dev + int rx = priv->rx_irq - LTQ_DMA_ETOP; + int err; + +- ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, rx_burst_len); ++ ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, priv->rx_burst_len); + + priv->txch.dma.nr = tx; + priv->txch.dma.dev = &priv->pdev->dev; |