1 # Copyright (C) 2006-2013 OpenWrt.org
3 . /usr/share/libubox/jshn.sh
9 if ! [ -e "$path" ]; then
10 echo "get_mac_binary: file $path not found!" >&2
14 hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' $path 2>/dev/null
18 local basepath="/proc/device-tree"
19 local macdevice="$(cat "$basepath/aliases/label-mac-device" 2>/dev/null)"
22 [ -n "$macdevice" ] || return
24 macaddr=$(get_mac_binary "$basepath/$macdevice/mac-address" 0 2>/dev/null)
25 [ -n "$macaddr" ] || macaddr=$(get_mac_binary "$basepath/$macdevice/local-mac-address" 0 2>/dev/null)
30 get_mac_label_json() {
31 local cfg="/etc/board.json"
34 [ -s "$cfg" ] || return
37 json_load "$(cat $cfg)"
38 if json_is_a system object; then
40 json_get_var macaddr label_macaddr
48 local macaddr=$(get_mac_label_dt)
50 [ -n "$macaddr" ] || macaddr=$(get_mac_label_json)
56 local INDEX=$(find_mtd_index "$1")
59 [ -d /dev/mtd ] && PREFIX=/dev/mtd/
60 echo "${INDEX:+$PREFIX$INDEX}"
69 part=$(find_mtd_part "$mtdname")
70 if [ -z "$part" ]; then
71 echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
75 mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
78 [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
87 part=$(find_mtd_part "$mtdname")
88 if [ -z "$part" ]; then
89 echo "mtd_get_mac_text: partition $mtdname not found!" >&2
93 if [ -z "$offset" ]; then
94 echo "mtd_get_mac_text: offset missing!" >&2
98 mac_dirty=$(dd if="$part" bs=1 skip="$offset" count=17 2>/dev/null)
101 [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
104 mtd_get_mac_binary() {
109 part=$(find_mtd_part "$mtdname")
110 get_mac_binary "$part" "$offset"
113 mtd_get_mac_binary_ubi() {
117 . /lib/upgrade/nand.sh
119 local ubidev=$(nand_find_ubi $CI_UBIPART)
120 local part=$(nand_find_volume $ubidev $1)
122 get_mac_binary "/dev/$part" "$offset"
125 mtd_get_part_size() {
127 local first dev size erasesize name
128 while read dev size erasesize name; do
129 name=${name#'"'}; name=${name%'"'}
130 if [ "$name" = "$part_name" ]; then
140 local oui=${mac%:*:*:*}
141 local nic=${mac#*:*:*:}
143 nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
151 echo ${mac:9:2}$sep${mac:12:2}$sep${mac:15:2}
154 macaddr_setbit_la() {
157 printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
163 echo -ne \\x${mac//:/\\x}
166 macaddr_canonicalize() {
170 mac=$(echo -n $mac | tr -d \")
171 [ ${#mac} -gt 17 ] && return
172 [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
174 for octet in ${mac//[\.:-]/ }; do
182 octet="${octet:0:2} ${octet:2:2}"
185 octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
191 canon=${canon}${canon:+ }${octet}
194 [ ${#canon} -ne 17 ] && return
196 printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null