6096f1e3aa
The integration layer is the place to put StarlingX changes Signed-off-by: Saul Wold <sgw@linux.intel.com>
142 lines
2.8 KiB
Bash
142 lines
2.8 KiB
Bash
#!/bin/bash
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################################################################################
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# Copyright (c) 2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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################################################################################
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# Certain i40e network devices (XL710 Fortville) have an internal firmware LLDP
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# agent enabled by default. This can prevent LLDP PDUs from being processed by
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# the driver and any upper layer agents.
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#
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# This script allows a user to enable and disable the internal LLDP agent.
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#
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# Note: debugfs must be enabled in the kernel
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#
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# To enable:
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# ./i40e-lldp-configure.sh start
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#
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# To disable:
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# ./i40e-lldp-configure.sh stop
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PROGNAME=$(basename $0)
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DEBUGFS_PATH=/sys/kernel/debug
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DEBUGFS_I40_DEVICES_PATH=$DEBUGFS_PATH/i40e
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LLDP_COMMAND=lldp
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function log {
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local MSG="${PROGNAME}: $1"
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logger -p notice "${MSG}"
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}
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function err {
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local MSG="${PROGNAME}: $1"
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logger -p error "${MSG}"
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}
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function configure_device {
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local DEVICE=$1
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local ACTION=$2
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local DEVICE_PATH=${DEBUGFS_I40_DEVICES}/${DEVICE}
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if [ ! -d ${DEVICE_PATH} ]; then
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return 1
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fi
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echo "${LLDP_COMMAND} ${ACTION}" > ${DEVICE_PATH}/command
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RET=$?
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if [ ${RET} -ne 0 ]; then
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err "Failed to ${ACTION} internal LLDP agent for device ${DEVICE}"
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return ${RET}
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fi
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log "${ACTION} internal LLDP agent for device ${DEVICE}"
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return ${RET}
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}
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function is_debugfs_mounted {
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if grep -qs "${DEBUGFS_PATH}" /proc/mounts; then
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return 0
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fi
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return 1
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}
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function mount_debugfs {
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mount -t debugfs none ${DEBUGFS_PATH}
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}
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function unmount_debugfs {
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umount ${DEBUGFS_PATH}
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}
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function scan_devices {
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local ACTION=$1
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local DEBUGFS_MOUNTED="false"
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local DEVICES=${DEBUGFS_I40_DEVICES_PATH}/*
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if is_debugfs_mounted; then
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DEBUGFS_MOUNTED="true"
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fi
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if [ ${DEBUGFS_MOUNTED} = "false" ]; then
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mount_debugfs
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RET=$?
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if [ ${RET} -ne 0 ]; then
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err "Failed to mount debugfs"
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return ${RET}
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fi
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log "Mounted debugfs"
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fi
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for DEVICE in $DEVICES; do
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configure_device ${DEVICE} ${ACTION}
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done
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if [ ${DEBUGFS_MOUNTED} = "false" ]; then
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unmount_debugfs
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RET=$?
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if [ ${RET} -ne 0 ]; then
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err "Failed to unmount debugfs"
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return ${RET}
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fi
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log "Unmounted debugfs"
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fi
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return 0
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}
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function start {
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scan_devices start
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return $?
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}
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function stop {
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scan_devices stop
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return $?
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}
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function status {
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return 0
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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restart)
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stop
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start
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;;
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status)
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status
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;;
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*)
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echo "Usage: $0 {start|stop|restart|status}"
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exit 1
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esac
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