Hello, we have an archer C6
Hardware Version: Archer C6 4.0
Firmware Version: 1.13.2 Build 230824 Rel.75032n(4555)

When sending PADR, it doesn't send service-name when it is configured.
It does send it in the PADI packet
I attached screenshots as it didn't permit me to attach pcaps

here it shows Service-Name properly sent in the PADI:

Here it shows that the subsequent PADR packet doesn't include Service-Name

Below from RFC 2516 that shows that service-name should be send in the PADR packet: