From: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
Jason Wang <jasowang@redhat.com>,
Laurent Vivier <laurent@vivier.eu>,
"qemu-stable@nongnu.org" <qemu-stable@nongnu.org>,
Herve Poussineau <hpoussin@reactos.org>,
Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Subject: Re: [PATCH 00/10] Fixes for DP8393X SONIC device emulation
Date: Sat, 21 Dec 2019 13:03:49 +0100 [thread overview]
Message-ID: <CAL1e-=iz8VDjYkObcsid6eKimH+a62Ttk5f+=2xoFGVgpg-EdQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.21.1.1912210941150.53@nippy.intranet>
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On Saturday, December 21, 2019, Finn Thain <fthain@telegraphics.com.au>
wrote:
> On Fri, 20 Dec 2019, Laurent Vivier wrote:
>
> > Le 20/12/2019 ? 12:38, Aleksandar Markovic a ?crit?:
> > > On Sat, Dec 14, 2019 at 2:29 AM Finn Thain <fthain@telegraphics.com.au>
> wrote:
> > >>
> > >> Hi All,
> > >>
> > >> There is a bug in the DP8393X emulation that can stop packet
> reception.
> > >>
> > >> Whilst debugging that issue I found that the receiver algorithm
> differs
> > >> from the one described in the National Semiconductor datasheet.
> > >>
> > >
> > > Finn, could you please provide the link to the exact datasheet that
> > > you used for reference, so that we are on the same page while looking
> > > at your code?
> >
> > According to his comments ,"National Semiconductor DP83932C" and
> > sections seem to be the same, I think the datasheet is:
> >
> > https://www.eit.lth.se/fileadmin/eit/courses/datablad/Periphery/
> Communication/DP83932C.pdf
> >
>
> Yes. I know of 3 datasheets from National Semiconductor,
>
> 11719 DP83934CVUL-20/25 MHz SONIC-T Systems-Oriented Network Interface
> Controller with Twisted Pair Interface
> 10492 DP83932C-20/25/33 MHz SONIC Systems-Oriented Network Interface
> Controller
> 11722 DP83916 SONIC-16 Systems-Oriented Network Interface Controller
>
> The publication numbered 10492 is the one that Laurent linked to. It and
> 11722 both have the same table of contents. The references I gave in the
> patch descriptions are applicable to these. (Having said that, I see now
> that I did mess up one reference. I'll fix it.)
>
> The "1995 National Ethernet Databook" on bitsavers has more information.
> https://mirrorservice.org/sites/www.bitsavers.org/components/national/_
> dataBooks/1995_National_Ethernet_Databook.pdf
>
> --
Finn,
I truly appreciate your detailed response.
Aleksandar
> > Thanks,
> > Laurent
> >
>
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prev parent reply other threads:[~2019-12-21 12:04 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-14 1:25 [PATCH 00/10] Fixes for DP8393X SONIC device emulation Finn Thain
2019-12-14 1:25 ` [PATCH 08/10] dp8393x: Implement packet size limit and RBAE interrupt Finn Thain
2019-12-14 1:25 ` [PATCH 09/10] dp8393x: Don't stop reception upon RBE interrupt assertion Finn Thain
2019-12-14 1:25 ` [PATCH 06/10] dp8393x: Clear RRRA command register bit only when appropriate Finn Thain
2019-12-14 13:31 ` Philippe Mathieu-Daudé
2019-12-14 1:25 ` [PATCH 02/10] dp8393x: Clean up endianness hacks Finn Thain
2019-12-14 1:25 ` [PATCH 05/10] dp8393x: Update LLFA register Finn Thain
2019-12-14 1:25 ` [PATCH 10/10] dp8393x: Don't clobber packet checksum Finn Thain
2019-12-14 13:21 ` Philippe Mathieu-Daudé
2019-12-14 1:25 ` [PATCH 07/10] dp8393x: Implement TBWC0 and TBWC1 registers to restore buffer state Finn Thain
2019-12-14 1:25 ` [PATCH 01/10] dp8393x: Mask EOL bit from descriptor addresses Finn Thain
2019-12-14 13:35 ` Philippe Mathieu-Daudé
2019-12-14 23:21 ` Finn Thain
2019-12-14 1:25 ` [PATCH 04/10] dp8393x: Don't advance RX descriptor twice Finn Thain
2019-12-14 1:25 ` [PATCH 03/10] dp8393x: Have dp8393x_receive() return the packet size Finn Thain
2019-12-14 13:26 ` Philippe Mathieu-Daudé
2019-12-14 1:43 ` [PATCH 00/10] Fixes for DP8393X SONIC device emulation no-reply
2019-12-14 2:52 ` Finn Thain
2019-12-14 13:38 ` Philippe Mathieu-Daudé
2019-12-14 13:45 ` Eric Blake
2019-12-14 17:17 ` Aleksandar Markovic
2019-12-14 23:16 ` Finn Thain
2019-12-14 23:32 ` Aleksandar Markovic
2019-12-14 23:35 ` Aleksandar Markovic
2019-12-20 4:24 ` Finn Thain
2019-12-23 17:17 ` Philippe Mathieu-Daudé
2019-12-24 0:12 ` NetBSD/arc on MIPS Magnum, was " Finn Thain
2019-12-24 4:33 ` Finn Thain
2019-12-24 6:53 ` Hervé Poussineau
2020-01-06 22:15 ` Finn Thain
2019-12-16 0:36 ` Finn Thain
2019-12-20 4:21 ` Finn Thain
2019-12-20 11:38 ` Aleksandar Markovic
2019-12-20 12:03 ` Aleksandar Markovic
2019-12-20 12:54 ` Laurent Vivier
2019-12-20 23:22 ` Finn Thain
2019-12-21 12:03 ` Aleksandar Markovic [this message]
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