Adding support for EAP235-WALL

For Developers
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I dug a bit more, and found the likely cause of this issue: starting from FW v3, downgrades are disallowed. Since OpenWrt carries version number "0.0.0", the firmware considers this a downgrade and refuses the file.

[NM_Error](nm_fwup_verifyFwupFile) 02278: EAP235/230-Wall forbid fw reverted from 3.x.x to lower version!

As a quick fix, you could patch the "soft-version" partition of a TP-Link image into an OpenWrt factory image.

  1. Download my safeloader patching script
  2. Download a v3 (or later, must be different from the current firmware version) firmware, and the OpenWrt factory image (e.g. for 21.02-rc4)
  3. Run the patch script (change file names accordingly): python patch.py -f OPENWRT_FACTORY.bin -i EAP235-WALLv1_3.0.0.bin -p soft-version -o FACTORY_PATCHED.bin
  4. Flash the patched factory image

Please let me know the results, then I can come up with a proper solution for OpenWrt.

Edit: People building their own firmware can also test patches

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