#! /bin/sh
# Copyright (c) 2019, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
#       copyright notice, this list of conditions and the following
#       disclaimer in the documentation and/or other materials provided
#       with the distribution.
#     * Neither the name of The Linux Foundation nor the names of its
#       contributors may be used to endorse or promote products derived
#       from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#Changes from Qualcomm Innovation Center are provided under the following license:
#Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
#SPDX-License-Identifier: BSD-3-Clause-Clear

##+johnson-20240301, add work-around for ipa_fw partition data corruption issue
ab_slot=""
if [ -x /sbin/abctl ];then
  ab_slot=$(abctl --boot_slot)
fi

validate_ipafw_partition()
{
   blockdev=/dev/block/bootdevice/by-name/ipa_fw$ab_slot
   testbin=/tmp/._tmp_ipafw.bin

   dd if=$blockdev of=$testbin bs=64 count=1 >/dev/null 2>&1
   res=$(file $testbin|grep "ELF")
   if [ "$res" == "" ];then
      echo "ipa_fw$ab_slot partition may have data corruption" >/dev/kmsg
      sys_reboot "rootfs-fail"
   fi
   rm -f $testbin
}

if [ "$ab_slot" == "_a" ] || [ "$ab_slot" == "_b" ];then
   validate_ipafw_partition
fi
##-johnson-20240301, add work-around for ipa_fw partition data corruption issue

export MODULE_BASE=/lib/modules/`uname -r`/
set -e

case "$1" in
  start)
        echo -n "Starting/Loading ipa module: "

        echo "ipa:start/load" > /dev/kmsg
        insmod /lib/modules/ipa/gsim.ko
        insmod /lib/modules/ipa/ipam.ko
        insmod /lib/modules/ipa/ipanetm.ko
        insmod /lib/modules/ipa/rndisipam.ko
        insmod /lib/modules/ipa/ecmipam.ko
        insmod /lib/modules/ipa/ipa_clientsm.ko
        echo "done loading ipa module"
        ;;
  stop)
        echo -n "Bypassing Unloading of  ipa modules "
        ;;
  restart)
        $0 stop
        $0 start
        ;;
  *)
        echo "Usage { start | stop | restart}" >&2
        exit 1
        ;;
esac

exit 0
