#!/bin/sh
#
# Copyright (C) 2011 OpenWrt.org
#

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

bcm53xx_setup_interfaces()
{
	local board="$1"

	# On BCM4708 / BCM4709(4) there are 3 Ethernet interfaces connected to 3 switch
	# ports. It's up to vendor which to use.
	case "$board" in
	tenda,ac9)
		ucidef_add_switch "switch0" \
			"1:lan" "2:lan" "3:lan" "4:lan" "8@eth0" "0:wan" "5@eth1"
		;;
	buffalo,wxr-1900dhp| \
	buffalo,wzr-1750dhp)
		ucidef_add_switch "switch0" \
			"0:lan:1" "1:lan:2" "2:lan:3" "3:lan:4" "4:wan:5" "5@eth0"
		;;
	dlink,dir-885l | \
	netgear,r7900 | \
	netgear,r8000 | \
	netgear,r8500)
		# NVRAM specifies port 8 (eth2) - unsupported by OpenWrt b53
		# Use port 5 (eth0) as workaround
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@eth0"
		;;
	luxul,abr-4500-v1|\
	luxul,xbr-4500-v1)
		ucidef_add_switch "switch0" \
			"0:wan" "1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "5@eth0"
		;;
	luxul,xap-1610-v1)
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "5@eth0"
		ucidef_set_interface_lan "eth0.1" "dhcp"
		;;
	luxul,xwr-3150-v1)
		ucidef_add_switch "switch0" \
			"0:lan:1" "1:lan:2" "2:lan:3" "3:lan:4" "4:wan" "5@eth0"
		;;
	phicomm,k3)
		ucidef_add_switch "switch0" \
			"0:lan" "1:lan" "2:lan" "3:wan" "5@eth0"
		;;
	*)
		# NVRAM entries may contain unsorted ports, e.g. Netgear R6250 uses
		# vlan1ports=3 2 1 0 5*
		# vlan2ports=4 5u
		# and early Netgear R8000 was using
		# vlan1ports=3 2 1 0 5 7 8*
		# (the enclosing echo is needed to convert newline back to space)
		vlan1ports="$(echo $(nvram get vlan1ports | tr " " "\n" | sort))"
		vlan2ports="$(echo $(nvram get vlan2ports | tr " " "\n" | sort))"
		if echo "$vlan1ports" | egrep -q "^1 2 3 4 5" && \
		   echo "$vlan2ports" | egrep -q "^0 5"; then
			ucidef_add_switch "switch0" \
				"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "5t@eth0"
		elif echo "$vlan1ports" | egrep -q "^1 2 3 5 7" && \
		     echo "$vlan2ports" | egrep -q "^0 7"; then
			ucidef_add_switch "switch0" \
				"1:lan" "2:lan" "3:lan" "5:lan" "0:wan" "7t@eth1"
		elif echo "$vlan1ports" | egrep -q "^0 1 2 3 5 7 8" && \
		     echo "$vlan2ports" | egrep -q "^4 8"; then
			ucidef_add_switch "switch0" \
				"0:lan" "1:lan" "2:lan" "3:lan" "5:lan" "7:lan" "4:wan" "8t@eth2"
		else
			ucidef_add_switch "switch0" \
				"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@eth0"
		fi
		;;
	esac
}

bcm53xx_setup_macs()
{
	local board="$1"

	case "$board" in
	dlink,dir-885l | \
	netgear,r7900 | \
	netgear,r8000 | \
	netgear,r8500)
		# As vendor doesn't use eth0 its MAC may be missing. Use one from eth2.
		et2macaddr="$(nvram get et2macaddr)"
		;;
	meraki,mr32)
		# The MAC is stored on an AT24C64 eeprom and not on the nvram
		et2macaddr=$(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 0x66)
		;;
	esac

	[ -n "$et2macaddr" ] && ucidef_set_interface_macaddr "lan" "$et2macaddr"

	wan_macaddr="$(nvram get wan_hwaddr)"
	case "$board" in
	asus,rt-ac87u)
		etXmacaddr=$(nvram get et1macaddr)
		offset=1
		;;
	dlink,dir-885l | \
	netgear,r7900 | \
	netgear,r8000 | \
	netgear,r8500)
		etXmacaddr=$(nvram get et2macaddr)
		offset=1
		;;
	luxul,xwr-3100v1 | \
	luxul,xwr-3150-v1)
		etXmacaddr=$(nvram get et0macaddr)
		offset=5
		;;
	*)
		etXmacaddr=$(nvram get et0macaddr)
		offset=1
		;;
	esac

	# If WAN MAC isn't explicitly set, calculate it using base MAC as reference.
	[ -z "$wan_macaddr" -a -n "$etXmacaddr" ] && wan_macaddr=$(macaddr_add "$etXmacaddr" $offset)

	[ -n "$wan_macaddr" ] && ucidef_set_interface_macaddr "wan" "$wan_macaddr"
}

board_config_update
board=$(board_name)
bcm53xx_setup_interfaces "$board"
bcm53xx_setup_macs "$board"
board_config_flush

exit 0