diff options
| -rw-r--r-- | target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k index af12bd5d92..b6af921449 100644 --- a/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k +++ b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k @@ -12,16 +12,19 @@ do_patch_ath10k_firmware() { return } - local firmware_md5_orig="fcb2fbd42d73a63fbf603505c718cbde" - local firmware_md5_current="$(md5sum $firmware_file)" - local firmware_md5_current="${firmware_md5_current%% *}" + local mac_offset=276 + local mac_length=6 + local default_mac="00:03:07:12:34:56" + local current_mac="$(hexdump -v -n $mac_length -s $mac_offset -e '5/1 "%02x:" 1/1 "%02x"' $firmware_file 2>/dev/null)" - # verify md5sum before patching - [ "$firmware_md5_orig" != "$firmware_md5_current" ] || { + # check if mac address was already patched + [ "$default_mac" = "$current_mac" ] || { return } - # some boards have bogus mac in otp, patch the default mac in the firmware + # some boards have bogus mac in otp (= directly in the PCIe card's EEPROM). + # we have to patch the default mac in the firmware because we cannot change + # the otp. case $(ar71xx_board_name) in dgl-5500-a1 | tew-823dru) local mac @@ -29,7 +32,7 @@ do_patch_ath10k_firmware() { cp $firmware_file /tmp/ath10k-firmware.bin macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \ - conv=notrunc bs=1 seek=276 count=6 + conv=notrunc bs=1 seek=$mac_offset count=$mac_length ;; esac |