openwrt/target/linux/ipq40xx/base-files/etc/init.d/bootcount

#!/bin/sh /etc/rc.common

START=99

mmc_resetbc() {
	local part_label="$1"

	. /lib/functions.sh

	local part_device="$(find_mmc_part "$part_label")"
	if [ "$part_device" = "" ]; then
		>&2 echo "mmc_resetbc: Unknown partition label: $part_label"
		return 1
	fi

	local magic_number="$(hexdump -e '"0x%02x\n"' -n 4 "$part_device")"
	if [ "$magic_number" != "0x20110811" ]; then
		>&2 echo "mmc_resetbc: Unexpected partition magic: $magic_number"
		return 1
	fi

	local last_count=$(hexdump -e '"0x%02x\n"' -n 4 -s 4 "$part_device")
	if [ "$last_count" != "0x00" ]; then
		printf "\x00" | dd of="$part_device" bs=4 seek=1 count=1 conv=notrunc 2>/dev/null

		last_count=$(hexdump -e '"0x%02x\n"' -n 4 -s 4 "$part_device")
		if [ "$last_count" != "0x00" ]; then
			>&2 echo "mmc_resetbc: Unable to reset boot counter"
			return 1
		fi
	fi
}

boot() {
	case $(board_name) in
	alfa-network,ap120c-ac)
		[ -n "$(fw_printenv bootcount changed 2>/dev/null)" ] &&\
			echo -e "bootcount\nchanged\n" | /usr/sbin/fw_setenv -s -
		;;
	linksys,ea6350v3|\
	linksys,ea8300|\
	linksys,mr8300|\
	linksys,whw01|\
	linksys,whw03v2)
		mtd resetbc s_env || true
		;;
	linksys,whw03)
		mmc_resetbc s_env || true
		;;
	netgear,wac510)
		fw_setenv boot_cnt=0
		;;
	esac
}