Switching from OpenWrt: atheros WDS setup (and 4/32 repeater)

Or u can use community Lede build here: TP-Link TL-WR841N(D), WA701N(D), WR740N(D), WR741N(D), WR743N(D), WR940N, WR941N(D) - LADUS / JULIA / Ultra Lite / VPN builds
That build is up to date & fit for 4MB flash.