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In-Reply-To: <324ec6fe-4212-a78a-dd48-8e08566719c6@newmedia-net.de>
From:   Denis Kalashnikov <denis281089@gmail.com>
Date:   Thu, 16 Jan 2020 13:44:43 +0300
Message-ID: <CAKoLU8Pk_6kmi-8NnhD4gvJfa8YQMKf4TwdgKG8Y19K=WNFSLQ@mail.gmail.com>
Subject: Re: [PATCH v3] ath9k: fix firmware bug in some Mikrotik R11e-2HPnD cards
To:     Sebastian Gottschall <s.gottschall@newmedia-net.de>
Cc:     Tom Psyborg <pozega.tomislav@gmail.com>,
        Felix Fietkau <nbd@nbd.name>, linux-wireless@vger.kernel.org,
        Kalle Valo <kvalo@codeaurora.org>
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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.

=D1=87=D1=82, 16 =D1=8F=D0=BD=D0=B2. 2020 =D0=B3. =D0=B2 11:50, Sebastian G=
ottschall
<s.gottschall@newmedia-net.de>:
>
>
> Am 16.01.2020 um 08:46 schrieb Tom Psyborg:
> > On 16/01/2020, Sebastian Gottschall <s.gottschall@newmedia-net.de> wrot=
e:
> >>>> 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 fie=
lds
> >> 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
>
> >
> >