Re: genet0 speeds under NetBSD/aarch64 on Rpi4 8 GB using UEFI/ACPI v1.17 firmware

[Jason Thorpe <thorpej%me.com@localhost>]

> On Jul 23, 2020, at 7:10 AM, Paul Mather <bsd-lists%gromit.dlib.vt.edu@localhost> wrote:
> 
> Here is the NetBSD/aarch64 -CURRENT ifconfig output on the RPi4:
> 
> genet0: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        ec_capabilities=0x1<VLAN_MTU>
>        ec_enabled=0
>        address: dc:a6:32:b0:24:d4
>        media: Ethernet autoselect (1000baseT full-duplex)
>        status: active
> 
> (I've omitted the inet and inet6 lines that follow after "status: active".)

That tells us what we need to know.  The "genet" driver doesn't support checksum offload.  The chip does, and the Linux driver uses it.  This, at least, should be fixed.

-- thorpej