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From:   Kalle Valo <kvalo@codeaurora.org>
To:     Siva Rebbagondla <siva8118@gmail.com>
Cc:     linux-wireless@vger.kernel.org, prameela.j04cs@gmail.com,
        rishikesh.basu@redpinesignals.com,
        siva.rebbagondla@redpinesignals.com
Subject: Re: [v4] rsi: add support for hardware scan offload
References: <1545902778-20205-1-git-send-email-siva8118@gmail.com>
Date:   Tue, 08 Jan 2019 18:54:47 +0200
In-Reply-To: <1545902778-20205-1-git-send-email-siva8118@gmail.com> (Siva
        Rebbagondla's message of "Thu, 27 Dec 2018 14:56:18 +0530")
Message-ID: <87muobqeco.fsf@kamboji.qca.qualcomm.com>
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Siva Rebbagondla <siva8118@gmail.com> writes:

> From: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
>
> With the current approach of scanning, roaming delays are observed.
> Firmware has support for back ground scanning. To get this advantage,
> mac80211 hardware scan is implemented, which decides type of scan to
> do based on connected state.
>
> When station is in not connected, driver returns with special value 1
> to trigger software scan in mac80211. In case of connected state,
> background scan will be triggered.
>
> Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
> ---
> changes in v4: renamed return value in hw_scan from "-EPERM" -> "1" [Jberg] 
> changes in v3: replaced rsi_prepare_probe_request() with ieee80211_probereq_get() [Kvalo]
> changes in v2: none

This depends on:

e9da68ddea60 mac80211: allow hardware scan to fall back to software

But that's in w-d-next now so this is safe to be apply.

-- 
Kalle Valo