#!/usr/bin/env bash

# Copyright (c) 2018 AT&T Corporation
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

help_msg="Incorrect arguments supplied!! Aborting....\nUsage: 1. VLANs to VF mirroring: $0 <phy-device-name> <dest-vf-index> <'vlan_mirror'> <'add'|'rem'> <vlan_ranges_string>\nUsage: 2. VF to VF mirroring: $0 <phy-device-name> <src-vf-index> <'ingress_mirror'|'egress_mirror'> <'add'|'rem'> <dest-vf-index>"

(($#!=5)) && { echo -e ${help_msg} && exit 1; }

if [ -f /sys/class/net/${1}/device/sriov/${2}/${3} ]
then
    echo ${4} ${5} > /sys/class/net/${1}/device/sriov/${2}/${3}
else
    echo "Invalid sysfs path: /sys/class/net/${1}/device/sriov/${2}/${3}"
    exit 1
fi