Subject: Re: [PATCH] brcm: provide new firmwares for BCM4366 chipset
To:     =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>
Cc:     Josh Boyer <jwboyer@kernel.org>,
        Linux Firmware <linux-firmware@kernel.org>,
        Linux Wireless <linux-wireless@vger.kernel.org>,
        Hauke Mehrtens <hauke@hauke-m.de>
References: <1541622996-16181-1-git-send-email-arend.vanspriel@broadcom.com>
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 <1151c860-f01b-7689-bae7-3a7869b7f356@broadcom.com>
 <CACna6rwh9ri2ZfpTjCjZo3mBv0B3tr3Diesw3HJG+5ZVnAZxCQ@mail.gmail.com>
From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <80b11c53-c630-bce7-d20d-88fef340aff4@broadcom.com>
Date:   Mon, 17 Dec 2018 13:37:20 +0100
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On 12/17/2018 11:34 AM, Rafał Miłecki wrote:
> On Sat, 15 Dec 2018 at 12:03, Arend Van Spriel
> <arend.vanspriel@broadcom.com> wrote:
>> On 12/14/2018 2:02 PM, Josh Boyer wrote:
>>> On Wed, Nov 7, 2018 at 3:45 PM Arend van Spriel
>>> <arend.vanspriel@broadcom.com> wrote:
>>>>
>>>> These firmwares are for the BCM4366 3x3 802.11 ac chipsets, which also comprise of BCM4366E or BCM43664 devices. Signed-off-by: Arend van Spriel
>>>
>>> This didn't add brcm/brcmfmac4366c-pcie.bin to WHENCE.  I'm assuming
>>> it's under the same license as the rest of the brcmfmac files?  If so,
>>> I can just amend the patch.
>>
>> Hi Josh,
>>
>> I was not sure this patch ever made it through. It did not appear on
>> linux-wireless list probably due to exceeding a size limit. So I resend
>> it as two patches on December 10th. However, I indeed forgot to update
>> the WHENCE file in that series as well. Indeed there is no license change.
> 
> Unfortunately I have only 1 device with 4366B1 (D-Link DIR-885L) and
> it seems to have dummy NVRAM restored from the bootloader's copy:
> 1:ccode=ALL
> 0:regrev=0
> 0:ccode=ALL
> 1:regrev=0
> 
> 1) Old fw 10.10.69.3309 (r610991) FWID 01-c47a91a4
> 2 GHz: very weak signal (about -79 dBm)
> 5 GHz: good signal & works stable
> (this also matches vendor firmware behavior)
> 
> 2) New fw 10.28.2 (r769115) FWID 01-801fb449
> 2 GHz: very weak signal (about -79 dBm)
> 5 GHz: good signal but huge packet loss
> 
> So the new firmware introduces 5 GHz regression for me, but I guess I
> should not complain since my device seems to come with a missing NVRAM
> regulatory info.
> 
> Is there any chance you know a correct ccode + regrev for D-Link
> DIR-885L for any region?

Hi Rafał,

That is bad news. Is the packet loss in receive or transmit direction? 
How do you obtain the info?

Regards,
Arend