netdev - Re: [PATCH] can: add a note that RECV_OWN_MSGS frames are subject to filtering

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Message-ID: <20210421065857.rliinkphrzrllkci@pengutronix.de>
Date:   Wed, 21 Apr 2021 08:58:57 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Erik Flodin <erik@...din.me>
Cc:     Oliver Hartkopp <socketcan@...tkopp.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonathan Corbet <corbet@....net>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH] can: add a note that RECV_OWN_MSGS frames are subject to
 filtering

On 20.04.2021 21:12:00, Erik Flodin wrote:
> Some parts of the documentation may lead the reader to think that the
> socket's own frames are always received when CAN_RAW_RECV_OWN_MSGS is
> enabled, but all frames are subject to filtering.
> 
> As explained by Marc Kleine-Budde:
> 
> On TX complete of a CAN frame it's pushed into the RX path of the
> networking stack, along with the information of the originating socket.
> 
> Then the CAN frame is delivered into AF_CAN, where it is passed on to
> all registered receivers depending on filters. One receiver is the
> sending socket in CAN_RAW. Then in CAN_RAW the it is checked if the
> sending socket has RECV_OWN_MSGS enabled.
> 
> Signed-off-by: Erik Flodin <erik@...din.me>

Applied to linux-can-next/testing

Thanks,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
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