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cddd459140
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>
62 lines
2.6 KiB
Diff
62 lines
2.6 KiB
Diff
From aa54d82b06962bb620852ed20270f7783be68897 Mon Sep 17 00:00:00 2001
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From: Camelia Groza <camelia.groza@nxp.com>
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Date: Fri, 24 Nov 2017 10:29:12 +0200
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Subject: [PATCH] sdk_dpaa: ceetm: add independent CEETM congestion thresholds
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Configure the CEETM egress congestion thresholds independently from the
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default Ethernet driver's Work Queues. Allow the user to edit the
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thresholds through menuconfig.
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Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
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---
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drivers/net/ethernet/freescale/sdk_dpaa/Kconfig | 23 ++++++++++++++++++++++
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.../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c | 4 ++--
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2 files changed, 25 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/Kconfig
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/Kconfig
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@@ -20,6 +20,29 @@ config FSL_DPAA_CEETM
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help
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Enable QoS offloading support through the CEETM hardware block.
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+config FSL_DPAA_CEETM_CCS_THRESHOLD_1G
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+ hex "CEETM egress congestion threshold on 1G ports"
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+ depends on FSL_DPAA_CEETM
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+ range 0x1000 0x10000000
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+ default "0x000a0000"
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+ help
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+ The size in bytes of the CEETM egress Class Congestion State threshold on 1G ports.
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+ The threshold needs to be configured keeping in mind the following factors:
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+ - A threshold too large will buffer frames for a long time in the TX queues,
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+ when a small shaping rate is configured. This will cause buffer pool depletion
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+ or out of memory errors. This in turn will cause frame loss on RX;
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+ - A threshold too small will cause unnecessary frame loss by entering
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+ congestion too often.
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+
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+config FSL_DPAA_CEETM_CCS_THRESHOLD_10G
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+ hex "CEETM egress congestion threshold on 10G ports"
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+ depends on FSL_DPAA_CEETM
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+ range 0x1000 0x20000000
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+ default "0x00640000"
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+ help
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+ The size in bytes of the CEETM egress Class Congestion State threshold on 10G ports.
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+ See FSL_DPAA_CEETM_CCS_THRESHOLD_1G for details.
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+
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config FSL_DPAA_OFFLINE_PORTS
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bool "Offline Ports support"
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depends on FSL_SDK_DPAA_ETH
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
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@@ -185,9 +185,9 @@ static int ceetm_config_ccg(struct qm_ce
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/* Set the congestion state thresholds according to the link speed */
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if (dpa_priv->mac_dev->if_support & SUPPORTED_10000baseT_Full)
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- cs_th = CONFIG_FSL_DPAA_CS_THRESHOLD_10G;
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+ cs_th = CONFIG_FSL_DPAA_CEETM_CCS_THRESHOLD_10G;
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else
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- cs_th = CONFIG_FSL_DPAA_CS_THRESHOLD_1G;
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+ cs_th = CONFIG_FSL_DPAA_CEETM_CCS_THRESHOLD_1G;
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qm_cgr_cs_thres_set64(&ccg_params.cs_thres_in, cs_th, 1);
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qm_cgr_cs_thres_set64(&ccg_params.cs_thres_out,
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