netdev - Re: [PATCH 1/1] can: skb: add and set local

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Message-ID: <20220511132421.7o5a3po32l3w2wcr@pengutronix.de>
Date:   Wed, 11 May 2022 15:24:21 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Oliver Hartkopp <socketcan@...tkopp.net>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Devid Antonio Filoni <devid.filoni@...uetechnologies.com>,
        kernel@...gutronix.de, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        David Jander <david@...tonic.nl>
Subject: Re: [PATCH 1/1] can: skb: add and set local_origin flag

On 11.05.2022 14:38:32, Oliver Hartkopp wrote:
> IMO this patch does not work as intended.
> 
> You probably need to revisit every place where can_skb_reserve() is used,
> e.g. in raw_sendmsg().

And the loopback for devices that don't support IFF_ECHO:

| https://elixir.bootlin.com/linux/latest/source/net/can/af_can.c#L257

Marc

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Pengutronix e.K.                 | Marc Kleine-Budde           |
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