Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v2] brcmfmac: add support for CQM RSSI notifications
To:     =?UTF-8?Q?Alvin_=c5=a0ipraga?= <ALSI@bang-olufsen.dk>,
        Arend van Spriel <aspriel@gmail.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Chi-hsien Lin <chi-hsien.lin@infineon.com>,
        Wright Feng <wright.feng@infineon.com>,
        Chung-hsien Hsu <chung-hsien.hsu@infineon.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>
Cc:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
        "brcm80211-dev-list.pdl@broadcom.com" 
        <brcm80211-dev-list.pdl@broadcom.com>,
        "SHA-cyfmac-dev-list@infineon.com" <SHA-cyfmac-dev-list@infineon.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <20210114163641.2427591-1-alsi@bang-olufsen.dk>
From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <a8a021d2-259d-4f09-3c25-af2ea0fd91dc@broadcom.com>
Date:   Mon, 8 Feb 2021 12:53:47 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101
 Thunderbird/78.6.1
MIME-Version: 1.0
In-Reply-To: <20210114163641.2427591-1-alsi@bang-olufsen.dk>
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256;
        boundary="000000000000ebe7bd05bad1d23a"
Precedence: bulk

--000000000000ebe7bd05bad1d23a
Content-Type: text/plain; charset="UTF-8"; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: quoted-printable

On 1/14/2021 5:36 PM, 'Alvin =C5=A0ipraga' via BRCM80211-DEV-LIST,PDL wrote=
:
> Add support for CQM RSSI measurement reporting and advertise the
> NL80211_EXT_FEATURE_CQM_RSSI_LIST feature. This enables a userspace
> supplicant such as iwd to be notified of changes in the RSSI for roaming
> and signal monitoring purposes.

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Alvin =C5=A0ipraga <alsi@bang-olufsen.dk>
> ---
> v1 -> v2:
> - clarify firmware behaviour in a comment
> - fix detection of upper bound RSSI transition
> - improve clamping of min/max RSSI values
> - remove unnecessary check on last RSSI value
> ---
>   .../broadcom/brcm80211/brcmfmac/cfg80211.c    | 87 +++++++++++++++++++
>   .../broadcom/brcm80211/brcmfmac/cfg80211.h    |  6 ++
>   .../broadcom/brcm80211/brcmfmac/fwil_types.h  | 28 ++++++
>   3 files changed, 121 insertions(+)

--=20
This electronic communication and the information and any files transmitted=
=20
with it, or attached to it, are confidential and are intended solely for=20
the use of the individual or entity to whom it is addressed and may contain=
=20
information that is confidential, legally privileged, protected by privacy=
=20
laws, or otherwise restricted from disclosure to anyone else. If you are=20
not the intended recipient or the person responsible for delivering the=20
e-mail to the intended recipient, you are hereby notified that any use,=20
copying, distributing, dissemination, forwarding, printing, or copying of=
=20
this e-mail is strictly prohibited. If you received this e-mail in error,=
=20
please return the e-mail to the sender, delete it from your computer, and=
=20
destroy any printed copy of it.

--000000000000ebe7bd05bad1d23a
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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--000000000000ebe7bd05bad1d23a--