From: Oliver Hartkopp <socketcan@hartkopp.net>
To: "Pankajkumar Misra (RBEI/EEA2)" <Pankaj.Kumar@in.bosch.com>,
"linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Subject: Re: [RFC] Join CAN filters with CAN_RAW_JOIN_FILTERS sockopt is ready for testing
Date: Wed, 18 Mar 2015 08:52:27 +0100 [thread overview]
Message-ID: <55092EBB.5060603@hartkopp.net> (raw)
In-Reply-To: <95290d0cea49482e96eab6513a556c69@SGPMBX1011.APAC.bosch.com>
Hello Pankaj
On 18.03.2015 08:48, Pankajkumar Misra (RBEI/EEA2) wrote:
> I have a question here.
>
> The filter used with candump are software filters or actual can device filter registers are updated ?
>
Yes. The CAN controllers are always operated without filters and all the
filtering is done in the NET_RX softirq inside the Linux network layer.
See https://www.kernel.org/doc/Documentation/networking/can.txt Chapter 3.1
Regards,
Oliver
prev parent reply other threads:[~2015-03-18 7:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-17 19:42 [RFC] Join CAN filters with CAN_RAW_JOIN_FILTERS sockopt is ready for testing Oliver Hartkopp
2015-03-18 7:13 ` Oliver Hartkopp
2015-03-18 7:48 ` Pankajkumar Misra (RBEI/EEA2)
2015-03-18 7:52 ` Oliver Hartkopp [this message]
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