3 . /lib/functions/system.sh
10 board=$(ramips_board_name)
17 echo "Unsupported board"
24 ??:??:??:??:??:??) NEW_MAC="$1";;
28 Unknown option/argument '$1'
29 Usage: $0 [-y] [<macaddr>]
39 local default="$((! ${2:-0}))"
40 [ -n "$YES" ] && return 0
51 hexdump -e '/1 "%02x "'
55 dd if=/dev/urandom bs=6 count=1 2>/dev/null
58 mac="$(mtd_get_mac_binary $partname $offset)"
63 echo "Current MAC address: $mac"
64 ask_bool "Overwrite (y/N)?" 0 || exit
68 if [ -n "$NEW_MAC" ]; then
69 set -- $(echo "$NEW_MAC" | sed 's,:, ,g')
71 set -- $(gen_mac | convert_hex)
72 set -- $(printf %02x $(( (0x$1 & 0xfe) | 0x02 ))) $2 $3 $4 $5 $6
74 echo "New MAC address: $1:$2:$3:$4:$5:$6"
75 ask_bool "Write to EEPROM (y/N)?" || exit
77 part=$(find_mtd_part "$partname")
78 [ -n "$part" ] || exit
79 echo -ne "\x$1\x$2\x$3\x$4\x$5\x$6" | dd of=$part conv=notrunc bs=1 count=6 seek=$offset 2>/dev/null