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Reload BCM SDK kmods on syncd start to handle syncd restart issues #12804

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Nov 30, 2022
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Reload BCM SDK kmods on syncd start to handle syncd restart issues #12804

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13 changes: 13 additions & 0 deletions files/scripts/syncd.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,19 @@ function startplatform() {
debug "Firmware update procedure ended"
fi

if [[ x"$sonic_asic_platform" == x"broadcom" ]]; then
if [[ x"$WARM_BOOT" != x"true" ]]; then
is_bcm0=$(ls /sys/class/net | grep bcm0)
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what is is_bcm0, this is unclear to me.

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is_bcm0 indicates the presence of the base netdevice created by the BRCM SDK kernel module. If the bcm0 netdevice is present, the BRCM SDK kernel modules are loaded. We only take action to remove and reload the kmods if they are already loaded.

if [[ "$is_bcm0" == "bcm0" ]]; then
debug "stop SDK opennsl-modules ..."
/etc/init.d/opennsl-modules stop
debug "start SDK opennsl-modules ..."
/etc/init.d/opennsl-modules start
debug "started SDK opennsl-modules"
fi
fi
fi

if [[ x"$sonic_asic_platform" == x"barefoot" ]]; then
is_usb0=$(ls /sys/class/net | grep usb0)
if [[ "$is_usb0" == "usb0" ]]; then
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