The same buffers are shared by the 2 Ethernet controllers in the eth_mcux driver

[armandciejak]

Describe the bug
Some i.MX RT have 2 independent Ethernet controller but the driver uses the same TX and RX data buffers for both controllers.

To Reproduce
The problem is in eth_mcux_init the buffer_config uses the same buffers for all controllers.

Expected behavior
Use different buffers for each Ethernet controller instances.

Impact
Prevent using the 2 Ethernet controllers.

Logs and console output

Environment (please complete the following information):

• Zephyr version 2.4

[armandciejak]

I have a fix ready that I'm currently testing, I'll create a PR soon.

[armandciejak]

My changes are done on top of #28874, therefore I'll wait for it to be merged before creating a PR.