[Click] tx timeout fix

[Beyers Cronje]

Adam,

Let me know when the new driver is released and I'll have a crack at porting
Max's polling driver.

Beyers

On 9/6/06, Adam Greenhalgh <a.greenhalgh at cs.ucl.ac.uk> wrote:
>
> Another thing that would be useful to know is what chipset the e1000
> that has problems is using since it is almost a weekly occurance that
> a TX hang for one card or another gets reported to the netdev and
> e1000 lists. From these lists it would seem that many of the hangs
> have been fixed by the folks at intel, a new release of the 7 series
> driver is occuring soon, so perhaps it is time to upgrade the click
> driver.
>
> Adam
>
> On 9/6/06, Jason Park <jason at geninetworks.com> wrote:
> > AS NOTED BEFORE, I suggest him to turn off packet split function not
> > skb_copy.
> > skb_copy is my environment and I mentioned it as referencing.
> >
> > Jason.
> > -----Original Message-----
> > From: todd lewis [mailto:tgl2 at yahoo.com]
> > Sent: Wednesday, September 06, 2006 12:37 AM
> > To: Jason Park; 'Srivas Chennu'
> > Cc: click at pdos.csail.mit.edu
> > Subject: Re: [Click] tx timeout fix
> >
> > As noted before, replacing skb_clone with skb_copy amounts to fixing a
> > broken door by burning the
> > house down.
> >
> > Does anyone have success under real bidirectional load without copying
> every
> > packet?  If so, with
> > what configuration?
> >
> > --- Jason Park <jason at geninetworks.com> wrote:
> >
> > > Hi Srivas
> > >
> > > What e1000 device are you using?
> > > If your device support PACKET_SPLIT and you turned on, you should turn
> off
> > > it.
> > > Make sure un-define CONFIG_E1000_PACKET_SPLIT on 6.1.16.62.DB driver.
> > > It works well for me with disable packet split and replacing skb_clone
> to
> > > skb_copy.
> > >
> > > Jason
> > > -----Original Message-----
> > > From: click-bounces at pdos.csail.mit.edu
> > > [mailto:click-bounces at pdos.csail.mit.edu] On Behalf Of Srivas Chennu
> > > Sent: Tuesday, September 05, 2006 5:37 PM
> > > To: Click
> > > Subject: Re: [Click] tx timeout fix
> > >
> > > Hello Adam and Beyers,
> > >
> > > I've been lately testing the timeout fixes you had posted on a
> > > click-patched 2.6.16.13 kernel. The results therefrom still seem to
> show
> > > stability problems. Though the timeouts don't occur predictably or as
> > > often as before, I still encounter them and kernel panics randomly,
> and
> > > with a higher probability when testing with high loads. Notably, I see
> > > these problems well pronounced with bidirectional (full-duplex)
> > > operation of the driver, both with FromDevice and PollDevice. I've
> > > tested the 5.x driver patch as well as the 6.1.16.62.DB version patch,
> > > and seen similar results.
> > >
> > > Please do let me know of the details of a stable 2.6.x configuration
> > > that you were able to set up using these patches. Further, any idea if
> > > and when the fixes will eventually get in to the main source tree of
> the
> > > e1000 driver on sourceforge?
> > >
> > > Thanks a bunch in advance,
> > > Srivas.
> > >
> > > On Jul 26, 2006 09:06 PM, Adam Greenhalgh wrote:
> > >
> > > >hi
> > > >
> > > >beyers and i have been hacking and we have fixed the tx timeout bug.
> > > >basically the time_stamp is not being set in the buffer and when
> linux
> > > >sends packets too, it encounters a buffer with a time stamp of 0 and
> > > >throws an erorr. Attached are two patches, one against cvs ,
> > > >driver-5.x-e1000_main.patch , and one against Max's 6.1.16.2.DB
> > > >driver, driver-6.1.16.2.DB-e1000_main.patch . Neither patch has been
> > > >very heavily tested yet, but neither does anything special.
> > > >
> > > >enjoy
> > > >
> > > >adam
> > >
> > > --
> > > Visit us at
> > > IFA  Berlin, 01.-06. September 2006
> > > and
> > > IBC Amsterdam, NL, 08.-12.September 2006
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> > >
> >
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