openwrt/target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.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 ae59df58bacb7d3daf2cf736f286a368ee703778 Mon Sep 17 00:00:00 2001
From: Camelia Groza <camelia.groza@nxp.com>
Date: Tue, 30 Oct 2018 18:18:57 +0200
Subject: [PATCH] sdk_dpaa: set the skb queue mapping when looping
Save the current CPU ID on ingress, when FSL_DPAA_DBG_LOOP is set.
Use the skb_set_queue_mapping() call instead of skb_record_rx_queue()
because the stack isn't involved and won't compensate for the additional
offset.
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
---
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
@@ -575,6 +575,8 @@ static inline int dpa_skb_loop(const str
return 0; /* loop disabled by default */
skb_push(skb, ETH_HLEN); /* compensate for eth_type_trans */
+ /* Save the current CPU ID in order to maintain core affinity */
+ skb_set_queue_mapping(skb, raw_smp_processor_id());
dpa_tx(skb, dpa_loop_netdevs[priv->loop_to]);
return 1; /* Frame Tx on the selected interface */