Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H742x/Ethernet_MTL/MTLRxQDR#0x0
Rx queue debug register
RWCSTS
RRCSTS
RXQSTS
PRXQ
https://github.com/cmsis-svd/cmsis-svd-data