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Re: [PATCH v3] ath9k: fix firmware bug in some Mikrotik R11e-2HPnD cards

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These cards have a very strange eeprom (we compared their eeprom with
eeprom of the same Mikrotik cards but without these problems). Now we
are discussing with our supplier how this is possible.

чт, 16 янв. 2020 г. в 11:50, Sebastian Gottschall
<s.gottschall@xxxxxxxxxxxxxxx>:
>
>
> Am 16.01.2020 um 08:46 schrieb Tom Psyborg:
> > On 16/01/2020, Sebastian Gottschall <s.gottschall@xxxxxxxxxxxxxxx> wrote:
> >>>> checking subvendor and subdevice id is usefull. mikrotik has special
> >>>> values here
> >>>>
> >>>> the R11e-2HPnD card has
> >>>>
> >>>> subvendor 0x19b6
> >>>>
> >>>> subdevice 0xd016
> >>>>
> >>>>
> >>> that i already suggested but it appears his units have zeroed sub fields
> >> if it has zero subfields it has no original eeprom but a modified one.
> >> all mikrotik cards with no exception have the subvendor and subdevice id
> >> set.
> >> the subvendor and subdevice is is stored in the eeprom. or the eeprom
> >> could be also broke, but in this case the values should be 0xffff
> >> i have several original mikrotik cards of this type and this is where i
> >> got these values from. are you sure that your card is no immitation?
> >> can he send me a picture of this card?
> >>
> > oh really? probably some fools then tampered with his cards and tried
> > to screw him. your units work without this patch, and tx/rx chain
> > reads out 0x3 ?
> yes. i have about 20 - 25 of them in use and the chaininfo is correct
> and also the subdevice and subvendor id
> is correct but i'm highly interesting finding out more about this case
> here. so do we have just have
> a fake mikrotik card here of a known chinese marketplace or is it a real
> one. and more interesting
>
> if you install this card on a mikrotik board, what does routeros show
>
> Sebastian
>
> >
> >




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