Re: [PATCH 00/10] Fixes for DP8393X SONIC device emulation

[Aleksandar Markovic]

On Saturday, December 14, 2019, Finn Thain <address@hidden> wrote:
> Hi All,
>
> There is a bug in the DP8393X emulation that can stop packet reception.

Can you provide the details of your test scenario?

Thanks,

Aleksandar

 

> Whilst debugging that issue I found that the receiver algorithm differs
> from the one described in the National Semiconductor datasheet.
>
> These issues and others are addressed by this patch series.
>
> This series has only been tested with Linux/m68k guests. It needs further
> testing with MIPS Jazz guests such as NetBSD or Windows NT.
>
> Thanks.
>
>
> Finn Thain (10):
>   dp8393x: Mask EOL bit from descriptor addresses
>   dp8393x: Clean up endianness hacks
>   dp8393x: Have dp8393x_receive() return the packet size
>   dp8393x: Don't advance RX descriptor twice
>   dp8393x: Update LLFA register
>   dp8393x: Clear RRRA command register bit only when appropriate
>   dp8393x: Implement TBWC0 and TBWC1 registers to restore buffer state
>   dp8393x: Implement packet size limit and RBAE interrupt
>   dp8393x: Don't stop reception upon RBE interrupt assertion
>   dp8393x: Don't clobber packet checksum
>
>  hw/net/dp8393x.c | 80 +++++++++++++++++++++++++++++++-----------------
>  1 file changed, 52 insertions(+), 28 deletions(-)
>
> -- 
> 2.23.0