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

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After analyzing numerous NVRAMs and vendor firmwares it seems the base
MAC address is used for LAN interface. WAN interface has different one
which sometimes is set directly in NVRAM and sometines needs to be
calculated.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2017-02-01 16:45:19 +01:00
parent a4d12aed30
commit 50efd403e6
1 changed files with 10 additions and 1 deletions
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11
target/linux/bcm53xx/base-files/etc/board.d/02_network
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@ -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 | \
@ -55,6 +61,7 @@ netgear,r8500)
# 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" "$wan_macaddr"
board_config_flush
exit 0
@ -85,6 +92,8 @@ else
"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5t@$ifname"
fi
[ -n "$wan_macaddr" ] && ucidef_set_interface_macaddr "wan" "$wan_macaddr"
board_config_flush
exit 0