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ramips: get MAC addr from the encrypted partition (WG4хх223)

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This commit resolves #10062. Adds decryption of the Arcadyan WG4xx223
configuration partition (board_data)to get base MAC address from it.
As a result, after this change the hack with saving MAC addressees to
u-boot-env before installation of OpenWrt is no longer necessary.

This is necessary for the following devices:
- Beeline Smartbox Flash (Arcadyan WG443223)
- MTS WG430223 (Arcadyan WG430223)

Example:
+----------------+-------------------+------------------------+
|                |    MTS WG430223   | Beeline Smartbox Flash |
+----------------+-------------------+------------------------+
| base mac (mtd) | A4:xx:xx:51:xx:F4 | 30:xx:xx:51:xx:06      |
| label          | A4:xx:xx:51:xx:F4 | 30:xx:xx:51:xx:09      |
| LAN            | A4:xx:xx:51:xx:F6 | 30:xx:xx:51:xx:09      |
| WAN            | A4:xx:xx:51:xx:F4 | 30:xx:xx:51:xx:06      |
| WLAN_2g        | A4:xx:xx:51:xx:F5 | 30:xx:xx:51:xx:07      |
| WLAN_5g        | A6:xx:xx:21:xx:F5 | 32:xx:xx:41:xx:07      |
+----------------+-------------------+------------------------+

Collected statistic shows that the 2-4th bits of the 7th byte of the
WLAN_5g MAC are the constant (see #10062 for more details):
- Beeline Smartbox Flash - 100
- MTS WG430223 - 010

Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
This commit is contained in:
Mikhail Zhilkin 2022-07-09 17:09:57 +00:00 committed by Christian Marangi
parent 12c971bc26
commit a6b0d08060
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
3 changed files with 26 additions and 13 deletions
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4
target/linux/ramips/image/mt7621.mk
View File

@ -311,7 +311,7 @@ define Device/beeline_smartbox-flash
IMAGE/factory.trx := append-kernel | append-ubi | check-size
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
DEVICE_PACKAGES := kmod-usb3 kmod-mt7615e kmod-mt7615-firmware \
uboot-envtools
uboot-envtools uencrypt
endef
TARGET_DEVICES += beeline_smartbox-flash
@ -1327,7 +1327,7 @@ define Device/mts_wg430223
IMAGES += factory.trx
IMAGE/factory.trx := append-kernel | append-ubi | check-size
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
DEVICE_PACKAGES := kmod-mt7615e kmod-mt7615-firmware uboot-envtools
DEVICE_PACKAGES := kmod-mt7615e kmod-mt7615-firmware uboot-envtools uencrypt
endef
TARGET_DEVICES += mts_wg430223

14
target/linux/ramips/mt7621/base-files/etc/board.d/02_network
View File

@ -138,11 +138,10 @@ ramips_setup_macs()
wan_mac=$(mtd_get_mac_ascii u-boot-env et1macaddr)
label_mac=$(mtd_get_mac_binary factory 0x4)
;;
beeline,smartbox-flash|\
mts,wg430223)
lan_mac=$(mtd_get_mac_ascii u-boot-env eth2macaddr)
wan_mac=$(mtd_get_mac_ascii u-boot-env eth3macaddr)
label_mac=$lan_mac
beeline,smartbox-flash)
wan_mac=$(mtd_get_mac_encrypted_arcadyan "board_data")
label_mac=$(macaddr_add "$wan_mac" 3)
lan_mac=$label_mac
;;
buffalo,wsr-1166dhp)
local index="$(find_mtd_index "board_data")"
@ -212,6 +211,11 @@ ramips_setup_macs()
wan_mac=$label_mac
lan_mac=$(macaddr_add $label_mac 1)
;;
mts,wg430223)
wan_mac=$(mtd_get_mac_encrypted_arcadyan "board_data")
label_mac=$wan_mac
lan_mac=$(macaddr_add "$wan_mac" 2)
;;
netgear,wax202)
lan_mac=$(mtd_get_mac_ascii Config mac)
wan_mac=$(macaddr_add "$lan_mac" 1)

21
target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
View File

@ -10,12 +10,13 @@ PHYNBR=${DEVPATH##*/phy}
board=$(board_name)
case "$board" in
beeline,smartbox-flash|\
mts,wg430223)
hw_mac_addr_ra0="$(mtd_get_mac_ascii u-boot-env ra0macaddr)"
hw_mac_addr_rax0="$(mtd_get_mac_ascii u-boot-env rax0macaddr)"
[ "$PHYNBR" = "0" ] && echo -n $hw_mac_addr_ra0 > /sys${DEVPATH}/macaddress
[ "$PHYNBR" = "1" ] && echo -n $hw_mac_addr_rax0 > /sys${DEVPATH}/macaddress
beeline,smartbox-flash)
hw_mac_addr=$(macaddr_add $(mtd_get_mac_encrypted_arcadyan "board_data") 1)
[ "$PHYNBR" = "0" ] && echo -n "$hw_mac_addr" > /sys${DEVPATH}/macaddress
hw_mac_addr=$(macaddr_setbit $hw_mac_addr 26)
hw_mac_addr=$(macaddr_unsetbit $hw_mac_addr 27)
hw_mac_addr=$(macaddr_unsetbit $hw_mac_addr 28)
[ "$PHYNBR" = "1" ] && macaddr_setbit_la $hw_mac_addr > /sys${DEVPATH}/macaddress
;;
cudy,x6)
hw_mac_addr="$(mtd_get_mac_binary factory 0x4)"
@ -88,6 +89,14 @@ case "$board" in
[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 3 > /sys${DEVPATH}/macaddress
;;
mts,wg430223)
hw_mac_addr=$(macaddr_add $(mtd_get_mac_encrypted_arcadyan "board_data") 1)
[ "$PHYNBR" = "0" ] && echo -n "$hw_mac_addr" > /sys${DEVPATH}/macaddress
hw_mac_addr=$(macaddr_unsetbit $hw_mac_addr 26)
hw_mac_addr=$(macaddr_setbit $hw_mac_addr 27)
hw_mac_addr=$(macaddr_unsetbit $hw_mac_addr 28)
[ "$PHYNBR" = "1" ] && macaddr_setbit_la $hw_mac_addr > /sys${DEVPATH}/macaddress
;;
oraybox,x3a)
if [ "$PHYNBR" = "1" ]; then
hw_mac_addr="$(mtd_get_mac_binary factory 0x4)"