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 --- ...1043a-errata-stop-advertising-S-G-and-GSO.patch | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/701-net-0038-sdk_dpaa-ls1043a-errata-stop-advertising-S-G-and-GSO.patch (limited to 'target/linux/layerscape/patches-5.4/701-net-0038-sdk_dpaa-ls1043a-errata-stop-advertising-S-G-and-GSO.patch') diff --git a/target/linux/layerscape/patches-5.4/701-net-0038-sdk_dpaa-ls1043a-errata-stop-advertising-S-G-and-GSO.patch b/target/linux/layerscape/patches-5.4/701-net-0038-sdk_dpaa-ls1043a-errata-stop-advertising-S-G-and-GSO.patch new file mode 100644 index 0000000000..a7c87086eb --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0038-sdk_dpaa-ls1043a-errata-stop-advertising-S-G-and-GSO.patch @@ -0,0 +1,52 @@ +From 4dc65101fc94270fec94599701343128c77da8fb Mon Sep 17 00:00:00 2001 +From: Camelia Groza +Date: Wed, 8 Nov 2017 14:37:27 +0200 +Subject: [PATCH] sdk_dpaa: ls1043a errata: stop advertising S/G and GSO + support + +The errata prevents us from transmitting S/G frames. Instead of +linearizing them ourselves, stop advertising S/G support and have the +stack do it for us. + +Signed-off-by: Camelia Groza +--- + drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c | 21 ++++++++++++--------- + 1 file changed, 12 insertions(+), 9 deletions(-) + +--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c ++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c +@@ -761,15 +761,6 @@ static int dpa_private_netdev_init(struc + net_dev->min_mtu = ETH_MIN_MTU; + net_dev->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)) +- net_dev->max_mtu = DPA_BP_RAW_SIZE; +-#endif +- + net_dev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_LLTX); + +@@ -787,6 +778,18 @@ static int dpa_private_netdev_init(struc + /* Advertise NETIF_F_HW_ACCEL_MQ to avoid Tx timeout warnings */ + net_dev->features |= NETIF_F_HW_ACCEL_MQ; + ++#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. We also stop advertising S/G and GSO support. ++ */ ++ if (unlikely(dpaa_errata_a010022)) { ++ net_dev->max_mtu = DPA_BP_RAW_SIZE; ++ net_dev->hw_features &= ~NETIF_F_SG; ++ net_dev->features &= ~NETIF_F_GSO; ++ } ++#endif ++ + return dpa_netdev_init(net_dev, mac_addr, tx_timeout); + } + -- cgit v1.2.3