66939df7fe
receive producer ring only for BCM5700. It was believed that BCM5700 with external SSRAM is the only controller that supports mini ring but it seems all BCM570[0-4] requires to disable mini receive producer ring. Otherwise, it caused unexpected RX DMA error or watchdog timeouts. Reported by: marius, Steve Kargl <sgk <> troutmask dot apl dot washington dot edu> Tested by: marius, Steve Kargl <sgk <> troutmask dot apl dot washington dot edu>