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Re: dynamic wep with mulitple keys

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On Mon, May 12, 2008 at 2:22 PM, Tomas Winkler <tomasw@xxxxxxxxx> wrote:
>
> On Mon, May 12, 2008 at 3:10 PM, drago01 <drago01@xxxxxxxxx> wrote:
>  > On Mon, May 12, 2008 at 2:07 PM, Tomas Winkler <tomasw@xxxxxxxxx> wrote:
>  >>
>  >> On Mon, May 12, 2008 at 2:47 PM, drago01 <drago01@xxxxxxxxx> wrote:
>  >>  > On Tue, May 6, 2008 at 2:14 PM, Emmanuel Grumbach
>  <egrumbach@xxxxxxxxx> wrote:
>  >>  >>
>  >>  >> On Tue, May 6, 2008 at 3:10 PM, drago01 <drago01@xxxxxxxxx> wrote:
>  >>  >>  >
>  >>  >>  > On Tue, May 6, 2008 at 9:32 AM, Emmanuel Grumbach
>  >>  <egrumbach@xxxxxxxxx> wrote:
>  >>  >>  >  >
>  >>  >>  >  > On Tue, May 6, 2008 at 10:22 AM, drago01 <drago01@xxxxxxxxx> wrote:
>  >>  >>  >  >  > On Tue, May 6, 2008 at 8:46 AM, Emmanuel Grumbach
>  >>  <egrumbach@xxxxxxxxx> wrote:
>  >>  >>  >  >  >  > >  I just tried compat-wireless-2008-05-05, which
>  does contain
>  >>  >>  >  >  >  >  >  03dcb07e74a62eec2badb9f6a091790c484f4a6c. No difference:
>  >>  >>  >  >  >  >  >
>  >>  >>  >  >  >  >
>  >>  >>  >  >  >  >  Thanks for trying this.
>  >>  >>  >  >  >  >  Can you try to load the module with swcrypto=1 and
>  try again ?
>  >>  >>  >  >  >  >  This disables the HW encryption acceleration. Trying
>  >>  this will allow
>  >>  >>  >  >  >  >  to make 100% sure that the bug is in iwlwifi. The bug
>  >>  is likely to be
>  >>  >>  >  >  >  >  there, but I think it is worth to make this 100% sure.
>  >>  >>  >  >  >
>  >>  >>  >  >  >  Well it happens for me with iwl3945 which uses swcrypto
>  >>  by default see:
>  >>  >>  >  >  >
>  >>  >>  >  >  >  http://marc.info/?l=linux-wireless&m=120699235803881&w=2
>  >>  >>  >  >  >
>  >>  >>  >  >
>  >>  >>  >  >  Actually, I made quite a lot of changes in security in
>  iwl4965 that
>  >>  >>  >  >  are not in iwl3945 so I think it is worth trying with
>  iwl4965 in SW.
>  >>  >>  >  >  The security code is not the same between 3945 and 4965
>  >>  >>  >
>  >>  >>  >  OK, are you planning to port this changes/fixes to 3945 ?
>  >>  >>  >
>  >>  >>
>  >>  >>  Well... Low priority...
>  >>  >
>  >>  > This changes fix an important bug that otherwise make the driver
>  >>  > useless in some configurations.
>  >>  > So I think it should be backported to 3945 (even when development is
>  >>  > focused on newer hardware)
>  >>
>  >>  But 3945 uses SW encryption this fix is for HW crypto.
>  >
>  > I was talking about this:
>  > "Actually, I made quite a lot of changes in security in iwl4965 that
>  > are not in iwl3945 so I think it is worth trying with iwl4965 in SW.
>  > The security code is not the same between 3945 and 4965"
>  > which seemed to work for Volker using swcrypto
>
>  SW crypto is handled by mac80211 so I ponder why it works above 4965
>  and not over 3945 but it has nothing to do with this particular change

OK, Johannes any idea why this happens?
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