Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/ETH/ETH_MACRXTXSR#0x0
Rx Tx status register
Transmit Jabber Timeout
No Carrier
Loss of Carrier
Excessive Deferral
Late Collision
Excessive Collisions
Receive Watchdog Timeout
https://github.com/modm-io/cmsis-svd-stm32