openwrt/target/linux/layerscape/patches-5.4/701-net-0021-sdk_dpaa-ls1043a-errata-resplit-the-skb-after-copy.patch
Yangbo Lu cddd459140 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 <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

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1.1 KiB
Diff

From 3532c45dc451d2bb7d88a33a554a86422828c9aa Mon Sep 17 00:00:00 2001
From: Camelia Groza <camelia.groza@nxp.com>
Date: Thu, 13 Jul 2017 17:26:02 +0300
Subject: [PATCH] sdk_dpaa: ls1043a errata: resplit the skb after copy
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
---
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
@@ -1016,6 +1016,7 @@ int __hot dpa_tx_extended(struct sk_buff
#endif /* CONFIG_FSL_DPAA_TS */
#ifndef CONFIG_PPC
+resplit_4k:
if (unlikely(dpaa_errata_a010022)) {
skb = split_skb_at_4k_boundaries(skb);
if (!skb)
@@ -1062,6 +1063,10 @@ int __hot dpa_tx_extended(struct sk_buff
struct sk_buff *nskb = skb_copy(skb, GFP_ATOMIC);
kfree_skb(skb);
skb = nskb;
+#ifndef CONFIG_PPC
+ if (unlikely(dpaa_errata_a010022))
+ goto resplit_4k;
+#endif
/* skb_copy() has now linearized the skbuff. */
} else if (unlikely(nonlinear)) {
/* We are here because the egress skb contains