bcm53xx: set WAN MAC address to don't share one with LAN interface

[openwrt/openwrt.git] / target / linux / bcm53xx / base-files / etc / board.d / 02_network

diff --git a/target/linux/bcm53xx/base-files/etc/board.d/02_network b/target/linux/bcm53xx/base-files/etc/board.d/02_network
index 672b1349dfbae145ef1efee135b792a45ca259d5..fa2837cba2bb20a18889526e6f81a44b920c025b 100755 (executable)
--- a/target/linux/bcm53xx/base-files/etc/board.d/02_network
+++ b/target/linux/bcm53xx/base-files/etc/board.d/02_network
@@ -25,22 +25,28 @@ buffalo,wzr-1750dhp)
        ;;
 esac
 
+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
 
+# 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)
+
 # Workaround for devices using eth2 connected to (CPU) switch port 8
 case "$board" in
 dlink,dir-885l | \
@@ -50,6 +56,13 @@ netgear,r8500)
        ifname=eth0
        ucidef_add_switch "switch0" \
                "0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@$ifname"
+
+       # 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" "$wan_macaddr"
+
        board_config_flush
        exit 0
        ;;
@@ -79,6 +92,8 @@ else
                "0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@$ifname"
 fi
 
+[ -n "$wan_macaddr" ] && ucidef_set_interface_macaddr "wan" "$wan_macaddr"
+
 board_config_flush
 
 exit 0