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Groups > linux.kernel > #1529837
| From | Hayes Wang <hayeswang@realtek.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable |
| Date | 2016-11-25 08:00 +0100 |
| Message-ID | <sHiEh-5Bf-7@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <sH1tM-2E0-31@gated-at.bofh.it> <sH2g9-3f2-13@gated-at.bofh.it> <sH54l-5b9-27@gated-at.bofh.it> <sH5nH-5hZ-17@gated-at.bofh.it> <sHikW-5uG-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> Mark Lord [mailto:mlord@pobox.com]
> > Sent: Friday, November 25, 2016 12:44 AM
> [...]
> > The bad data in this case is ASCII:
> >
> > "SRC=m3400:/ TARGET=/m340"
> >
> > This data is what is seen in /run/mount/utab, a file that is read/written over NFS
> on
> > each boot.
> >
> > "SRC=m3400:/ TARGET=/m3400 ROOT=/
> > ATTRS=nolock,addr=192.168.8.1\n"
> >
> > But how does this ASCII data end up at offset zero of the rx buffer??
> > Not possible -- this isn't even stale data, because only an rx_desc could
> > be at that offset in that buffer.
> >
> > So even if this were a platform memory coherency issue, one should still
> > never see ASCII data at the beginning of an rx buffer. The driver NEVER
> > writes anything to the rx buffers. Only the USB hardware ever does.
> >
> > And only the r8152 dongle/driver exhibits this issue.
> > Other USB dongles do not. They *might* still have such issues,
> > but because they use software checksums, the bad packets are caught/rejected.
>
> Do you test it by rebooting? Maybe you could try a patch
> commit 93fe9b183840 ("r8152: reset the bmu"). However, it should
> only occur for the first urb buffer after rx is reset. I don't
> think you would reset the rx frequently, so the situation seems
> to be different.
Forgive me. I provide wrong information. This is about RTL8153,
not RTL8152.
Best Regards,
Hayes
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RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-17 04:40 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-17 15:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-17 15:40 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-18 09:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-18 13:10 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-22 14:20 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-23 05:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-23 14:50 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-23 16:20 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-23 20:30 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-24 04:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 13:40 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-24 14:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable David Miller <davem@davemloft.net> - 2016-11-24 17:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 17:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 18:10 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable David Miller <davem@davemloft.net> - 2016-11-24 18:20 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable David Miller <davem@davemloft.net> - 2016-11-24 18:20 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 19:40 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 19:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <greg@kroah.com> - 2016-11-24 20:10 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <greg@kroah.com> - 2016-11-24 20:20 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 20:20 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-25 11:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 14:40 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Francois Romieu <romieu@fr.zoreil.com> - 2016-11-25 01:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 04:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <greg@kroah.com> - 2016-11-25 11:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 13:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 13:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <greg@kroah.com> - 2016-11-25 15:30 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 15:40 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 14:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <greg@kroah.com> - 2016-11-25 15:40 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable David Miller <davem@davemloft.net> - 2016-11-25 18:10 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-30 13:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-12-09 14:10 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Greg KH <gregkh@linuxfoundation.org> - 2016-11-24 19:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-24 20:00 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-25 07:40 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-25 08:00 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 13:50 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-25 07:20 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Mark Lord <mlord@pobox.com> - 2016-11-25 13:50 +0100
Re: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable David Miller <davem@davemloft.net> - 2016-11-24 17:30 +0100
RE: [PATCH net 1/2] r8152: fix the sw rx checksum is unavailable Hayes Wang <hayeswang@realtek.com> - 2016-11-24 13:40 +0100
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