#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2015 OpenWrt.org

. /lib/functions/system.sh
. /lib/functions/uci-defaults.sh

detect_by_vlanports() {
	local vlan0ports="$(nvram get vlan0ports)"
	local vlan1ports="$(nvram get vlan1ports)"
	local vlan2ports="$(nvram get vlan2ports)"
	local cpuport="$(swconfig dev switch0 help 2>/dev/null | sed -ne "s|.*cpu @ \([0-9]*\).*|\1|p")"

	if [ "${vlan0ports:0:9}" = "0 1 2 3 8" -a "${vlan1ports:0:3}" = "4 8" -a ${cpuport:-0} -eq 8 ] || \
	   [ "${vlan1ports:0:9}" = "0 1 2 3 8" -a "${vlan2ports:0:3}" = "4 8" -a ${cpuport:-0} -eq 8 ] || \
	   [ "${vlan2ports:0:9}" = "0 1 2 3 8" -a "${vlan1ports:0:3}" = "4 8" -a ${cpuport:-0} -eq 8 ];
	then
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "8@eth0"

	elif [ "${vlan0ports:0:9}" = "1 2 3 4 8" -a "${vlan1ports:0:3}" = "0 8" -a ${cpuport:-0} -eq 8 ] || \
	     [ "${vlan1ports:0:9}" = "1 2 3 4 8" -a "${vlan2ports:0:3}" = "0 8" -a ${cpuport:-0} -eq 8 ] || \
	     [ "${vlan2ports:0:9}" = "1 2 3 4 8" -a "${vlan1ports:0:3}" = "0 8" -a ${cpuport:-0} -eq 8 ];
	then
		ucidef_add_switch "switch0" \
			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "8@eth0"

	elif [ "${vlan0ports:0:9}" = "0 1 2 3 5" -a "${vlan1ports:0:3}" = "4 5" -a ${cpuport:-0} -eq 5 ] || \
		 [ "${vlan1ports:0:9}" = "0 1 2 3 5" -a "${vlan2ports:0:3}" = "4 5" -a ${cpuport:-0} -eq 5 ] || \
		 [ "${vlan2ports:0:9}" = "0 1 2 3 5" -a "${vlan1ports:0:3}" = "4 5" -a ${cpuport:-0} -eq 5 ];
	then
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"

	elif [ "${vlan0ports:0:9}" = "1 2 3 4 5" -a "${vlan1ports:0:3}" = "0 5" -a ${cpuport:-0} -eq 5 ] || \
	     [ "${vlan1ports:0:9}" = "1 2 3 4 5" -a "${vlan2ports:0:3}" = "0 5" -a ${cpuport:-0} -eq 5 ] || \
	     [ "${vlan2ports:0:9}" = "1 2 3 4 5" -a "${vlan1ports:0:3}" = "0 5" -a ${cpuport:-0} -eq 5 ];
	then
		ucidef_add_switch "switch0" \
			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "5@eth0"

	else
		logger -t "01_detect" "Unable to determine network configuration"
		ucidef_set_interface_lan "eth0"
	fi
}

detect_by_boardnum() {
	local boardnum="$1"

	case "$boardnum" in
	# WAP54G, Sitecom WL-105b
	"2" | \
	"1024")
		ucidef_set_interface_lan "eth0"
		;;

	# Generic detection fallback
	*)
		detect_by_vlanports
		;;
	esac
}

detect_by_boardtype() {
	local boardtype="$1"
	local boardnum="$2"

	case "$boardtype" in
	"bcm94710r4")
		ucidef_set_interfaces_lan_wan "eth0" "eth1"
		;;

	"0x0467")
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"
		;;

	"0x042f" | \
	"0x0472")
		# WL-500gP
		if [ "$boardnum" = "45" ]; then
			ucidef_add_switch "switch0" \
				"0:wan" "1:lan" "2:lan" "3:lan" "4:lan" "5@eth0"

		# Generic BCM94704
		else
			ucidef_set_interface_wan "eth1"
			ucidef_add_switch "switch0" \
				"0:lan" "1:lan" "2:lan" "3:lan" "4:lan" "5@eth0"

			# MAC addresses on 4704 tend to be screwed up. Add a workaround here
			local mac="$(nvram get et0macaddr)"
			local pat="[0-9a-fA-F][0-9a-fA-F]:[0-9a-fA-F][0-9a-fA-F]"
				  pat="$pat:[0-9a-fA-F][0-9a-fA-F]:[0-9a-fA-F][0-9a-fA-F]"
				  pat="$pat:[0-9a-fA-F][0-9a-fA-F]:[0-9a-fA-F][0-9a-fA-F]"

			case "$mac" in
			$pat)
				ucidef_set_interface_macaddr "lan" "$mac"
				ucidef_set_interface_macaddr "wan" "$(macaddr_add "$mac" 1)"
				;;
			esac
		fi
		;;

	# Buffalo WBR-B11 and Buffalo WBR-G54
	"bcm94710ap")
		ucidef_set_interface_wan "eth1"
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:lan" "5@eth0"
		;;

	*)
		detect_by_boardnum "$boardnum"
		;;
	esac
}

detect_by_model() {
	local model="$1"
	local boardtype="$2"
	local boardnum="$3"

	# Netgear WGT634U exception
	if grep -sqE 'mtd0: 000(6|a)0000' /proc/mtd; then
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"
		return
	fi

	case "$model" in
	"Asus WLHDD" | \
	"Asus WL300G")
		ucidef_set_interface_lan "eth1"
		;;

	"Asus WL330GE")
		ucidef_add_switch "switch0" "4:lan" "5t@eth0"
		;;

	"Asus WL500G" | \
	"Microsoft MN-700")
		ucidef_set_interfaces_lan_wan "eth0" "eth1"
		;;

	"Asus RT-N12"* | \
	"Asus WL500GP V2" | \
	"Buffalo WHR-G125" | \
	"D-Link DIR-330" | \
	"Motorola WR850G" | \
	"Siemens SE505 V2")
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"
		;;

	"Asus WL700")
		ucidef_add_switch "switch0" \
			"0:wan" "1:lan" "2:lan" "3:lan" "4:lan" "5@eth0"
		;;

	"Asus WL500W" | \
	"Dell TrueMobile 2300")
		ucidef_set_interface_wan "eth1"
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "5@eth0"
		;;

	"Asus RT-N16"* | \
	"Linksys E3000 V1")
		ucidef_add_switch "switch0" \
			"0:wan" "1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "8@eth0"
		;;

	*)
		detect_by_boardtype "$boardtype" "$boardnum"
		;;
	esac
}


model="$(sed -ne 's/^machine[ \t]*: //p' /proc/cpuinfo)"
boardtype="$(nvram get boardtype)"
boardnum="$(nvram get boardnum)"

board_config_update

ucidef_set_board_id "$boardtype${boardnum:+:$boardnum}"
ucidef_set_model_name "$model"

detect_by_model "$model" "$boardtype" "$boardnum"

board_config_flush