linux-kernel - Re: [PATCH v2] brcmfmac: add support for CQM RSSI notifications

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Message-ID: <a8a021d2-259d-4f09-3c25-af2ea0fd91dc@broadcom.com>
Date:   Mon, 8 Feb 2021 12:53:47 +0100
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     Alvin Šipraga <ALSI@...g-olufsen.dk>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
        Wright Feng <wright.feng@...ineon.com>,
        Chung-hsien Hsu <chung-hsien.hsu@...ineon.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "brcm80211-dev-list.pdl@...adcom.com" 
        <brcm80211-dev-list.pdl@...adcom.com>,
        "SHA-cyfmac-dev-list@...ineon.com" <SHA-cyfmac-dev-list@...ineon.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] brcmfmac: add support for CQM RSSI notifications

On 1/14/2021 5:36 PM, 'Alvin Šipraga' 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@...adcom.com>
> Signed-off-by: Alvin Šipraga <alsi@...g-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(+)

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