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From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
To:     Johannes Berg <johannes@sipsolutions.net>,
        <linux-wireless@vger.kernel.org>
CC:     Kalle Valo <kvalo@codeaurora.org>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        "Chi-Hsien Lin" <chi-hsien.lin@cypress.com>,
        Wright Feng <wright.feng@cypress.com>,
        <brcm80211-dev-list.pdl@broadcom.com>,
        <brcm80211-dev-list@cypress.com>,
        Amitkumar Karwar <amitkarwar@gmail.com>,
        Ganapathi Bhat <ganapathi.bhat@nxp.com>,
        Xinming Hu <huxinming820@gmail.com>,
        Igor Mitsyanko <imitsyanko@quantenna.com>,
        Avinash Patil <avinashp@quantenna.com>,
        Sergey Matyukevich <smatyukevich@quantenna.com>,
        Johannes Berg <johannes.berg@intel.com>
Date:   Sat, 18 Apr 2020 00:08:12 +0200
Message-ID: <1718a2f5ce0.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
In-Reply-To: <20200417124300.f47f3828afc8.I7f81ef59c2c5a340d7075fb3c6d0e08e8aeffe07@changeid>
References: <20200417124300.f47f3828afc8.I7f81ef59c2c5a340d7075fb3c6d0e08e8aeffe07@changeid>
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Subject: Re: [PATCH v2] cfg80211: change internal management frame registration API
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On April 17, 2020 12:43:09 PM Johannes Berg <johannes@sipsolutions.net> wrote:

> From: Johannes Berg <johannes.berg@intel.com>
>
> Almost all drivers below cfg80211 get the API wrong (except for
> cfg80211) and are unable to cope with multiple registrations for
> the same frame type, which is valid due to the match filter.
> This seems to indicate the API is wrong, and we should maintain
> the full information in cfg80211 instead of the drivers.
>
> Change the API to no longer inform the driver about individual
> registrations and unregistrations, but rather every time about
> the entire state of the entire wiphy and single wdev, whenever
> it may have changed. This also simplifies the code in cfg80211
> as it no longer has to track exactly what was unregistered and
> can free things immediately.

For brcmfmac...

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> ---
> drivers/net/wireless/ath/ath6kl/cfg80211.c    | 26 +++---
> .../broadcom/brcm80211/brcmfmac/cfg80211.c    | 19 ++---