bcm53xx: refactor board.d code in 02_network

1. Use functions for cleaner code
2. Always execute WAN interface generic code

Before this change WAN interface code wasn't executed on all devices due
to an early "exit 0".

Acked-by: Adrian Schmutzler <[email protected]>
Signed-off-by: Rafał Miłecki <[email protected]>

target/linux/bcm53xx/base-files/etc/board.d/02_network

@@ -6,108 +6,109 @@
 . /lib/functions/system.sh
 . /lib/functions/uci-defaults.sh
 
-board_config_update
+bcm53xx_setup_interfaces()
+{
+	local board="$1"
 
-board=$(board_name)
+	# On BCM4708 / BCM4709(4) there are 3 Ethernet interfaces connected to 3 switch
+	# ports. It's up to vendor which to use.
+	case "$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"
+		;;
+	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*
+		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
+}
 
-case "$board" in
-tenda,ac9)
-	ucidef_add_switch "switch0" \
-		"1:lan" "2:lan" "3:lan" "4:lan" "8@eth0" "0:wan" "5@eth1"
-	board_config_flush
-	exit 0
-	;;
-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"
-	board_config_flush
-	exit 0
-	;;
-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"
-	board_config_flush
-	exit 0
-	;;
-phicomm,k3)
-	ucidef_add_switch "switch0" \
-		"0:lan" "1:lan" "2:lan" "3:wan" "5@eth0"
-	board_config_flush
-	exit 0
-    ;;
-esac
+bcm53xx_setup_macs()
+{
+	local board="$1"
 
-wan_macaddr="$(nvram get wan_hwaddr)"
-case "$board" in
-asus,rt-ac87u)
-	ifname=eth1
-	etXmacaddr=$(nvram get et1macaddr)
-	;;
-dlink,dir-885l | \
-netgear,r7900 | \
-netgear,r8000 | \
-netgear,r8500)
-	ifname=eth2
-	etXmacaddr=$(nvram get et2macaddr)
-	;;
-*)
-	ifname=eth0
-	etXmacaddr=$(nvram get et0macaddr)
-	;;
-esac
+	case "$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="$(nvram get et2macaddr)"
+		[ -n "$et2macaddr" ] && ucidef_set_interface_macaddr "lan" "$et2macaddr"
+		;;
+	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" 1)
+	wan_macaddr="$(nvram get wan_hwaddr)"
+	case "$board" in
+	asus,rt-ac87u)
+		etXmacaddr=$(nvram get et1macaddr)
+		;;
+	dlink,dir-885l | \
+	netgear,r7900 | \
+	netgear,r8000 | \
+	netgear,r8500)
+		etXmacaddr=$(nvram get et2macaddr)
+		;;
+	*)
+		etXmacaddr=$(nvram get et0macaddr)
+		;;
+	esac
 
-# Workaround for devices using eth2 connected to (CPU) switch port 8
-case "$board" in
-dlink,dir-885l | \
-netgear,r7900 | \
-netgear,r8000 | \
-netgear,r8500)
-	ifname=eth0
-	ucidef_add_switch "switch0" \
-		"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@$ifname"
+	# 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" 1)
 
-	# These devices should use eth2 so their eth0 interface often has no MAC
-	# assigned. Manually assign eth2's MAC to the LAN.
-	et2macaddr="$(nvram get et2macaddr)"
-	[ -n "$et2macaddr" ] && ucidef_set_interface_macaddr "lan" "$et2macaddr"
 	[ -n "$wan_macaddr" ] && ucidef_set_interface_macaddr "wan" "$wan_macaddr"
+}
 
-	board_config_flush
-	exit 0
-	;;
-esac
-
-# 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*
-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 "$vlan2ports" | egrep -q "^0 5"; then
-	ucidef_add_switch "switch0" \
-		"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "5t@$ifname"
-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@$ifname"
-elif echo "$vlan1ports" | egrep -q "^0 1 2 3 5 7 8" && \
-     echo "$vlan2ports" | egrep -q "^4 8"; then
-	ucidef_add_switch "switch0" \
-		"0:lan" "1:lan" "2:lan" "3:lan" "5:lan" "7:lan" "4:wan" "8t@$ifname"
-else
-	ucidef_add_switch "switch0" \
-		"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@$ifname"
-fi
-
-[ -n "$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