i40e-lldp-agent.init

#!/bin/sh
#
# i40e-lldp-agent Manage x710 lldp agent
#
# chkconfig:   - 20 80
# description: Enables or disabled the lldp agent on x710 intel converged \
    #              network adaptors

### BEGIN INIT INFO
# Provides: 
# Required-Start: $network
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start: 
# Default-Stop:
# Short-Description: Manage x710 lldp agent
# Description: Enables or disabled the lldp agent on x710 intel converged
#              network adaptors
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

SCRIPT=i40e-lldp-agent

_lldp_switch(){

    if [ ! -d /sys/module/i40e  ] ; then
        echo -n "${SCRIPT}: i40e driver not loaded. "
        success
        exit 0
    fi

    action=$1
    if [[ ! "$action" =~ ^(start|stop)$  ]]; then
        (echo "${SCRIPT}: Invalid action \"$action\"" ; exit 2)
    fi

    echo "${SCRIPT}: ${action} disabling embedded lldp in x710"
    do_unmount=false
    if ! grep -q ' /sys/kernel/debug ' /etc/mtab ; then
        echo -n "${SCRIPT}: Mount /sys/kernel/debug. "
        mount -t debugfs none /sys/kernel/debug  && success || failure
        echo
        do_unmount=true
    fi

    for IFACE_DEBUG_PATH in /sys/kernel/debug/i40e/* 
    do
        echo -n "${SCRIPT}: $action on $(cat ${IFACE_DEBUG_PATH}/command)"
        echo lldp $action > ${IFACE_DEBUG_PATH}/command
        success
        echo
    done

    if $do_unmount; then
        if grep -q ' /sys/kernel/debug ' /etc/mtab ; then 
            echo -n "${SCRIPT}: Unmount /sys/kernel/debug. "
            umount /sys/kernel/debug && success || failure
            echo
        fi
    fi
    retval=0
    return $retval
}


start() {
    _lldp_switch start
    retval=$?
    return $retval
}

stop() {
    _lldp_switch stop
    retval=$?
    return $retval
}

restart() {
    stop
    start
}


rh_status() {
    # run checks to determine if the service is running or use generic status
    status $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}


case "$1" in
    start)
        #rh_status_q && exit 0
        $1
        ;;
    stop)
        #rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    status)
        # TODO: need to work out how to see if x710 lldp agent is turned on 
        echo "${SCRIPT}: who knows what the status is?"
        #rh_status
        exit 0
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart}"
        exit 2
esac
exit $?