From cddd4591404fb4c53dc0b3c0b15b942cdbed4356 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Fri, 10 Apr 2020 10:47:05 +0800 Subject: layerscape: add patches-5.4 Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu --- ..._dpaa-ls1043a-errata-restrict-the-max-mtu.patch | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/701-net-0032-sdk_dpaa-ls1043a-errata-restrict-the-max-mtu.patch (limited to 'target/linux/layerscape/patches-5.4/701-net-0032-sdk_dpaa-ls1043a-errata-restrict-the-max-mtu.patch') diff --git a/target/linux/layerscape/patches-5.4/701-net-0032-sdk_dpaa-ls1043a-errata-restrict-the-max-mtu.patch b/target/linux/layerscape/patches-5.4/701-net-0032-sdk_dpaa-ls1043a-errata-restrict-the-max-mtu.patch new file mode 100644 index 0000000000..7b70452a08 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0032-sdk_dpaa-ls1043a-errata-restrict-the-max-mtu.patch @@ -0,0 +1,33 @@ +From b204d76e9a64ec99f0151b7ca018f3b6df2bb1b7 Mon Sep 17 00:00:00 2001 +From: Camelia Groza +Date: Tue, 19 Sep 2017 11:30:50 +0300 +Subject: [PATCH] sdk_dpaa: ls1043a errata: restrict the max mtu + +We can not allow for Jumbo frames and large MTU values on LS1043A due to +the A-010022 FMan errata. All outgoing frames larger than 4K bytes are dropped. + +Signed-off-by: Camelia Groza +--- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 11 ++++++++++- + 1 file changed, 10 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c +@@ -263,7 +263,16 @@ EXPORT_SYMBOL(dpa_get_stats64); + + int dpa_change_mtu(struct net_device *net_dev, int new_mtu) + { +- const int max_mtu = dpa_get_max_mtu(); ++ int max_mtu = dpa_get_max_mtu(); ++ ++#ifndef CONFIG_PPC ++ /* Due to the A010022 FMan errata, we can not use contig frames larger ++ * than 4K, nor S/G frames. We need to prevent the user from setting a ++ * large MTU. ++ */ ++ if (unlikely(dpaa_errata_a010022)) ++ max_mtu = DPA_BP_RAW_SIZE; ++#endif + + /* Make sure we don't exceed the Ethernet controller's MAXFRM */ + if (new_mtu < 68 || new_mtu > max_mtu) { -- cgit v1.2.3