From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78CA9C433ED for ; Sat, 15 May 2021 19:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 448E261363 for ; Sat, 15 May 2021 19:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234577AbhEOTSs (ORCPT ); Sat, 15 May 2021 15:18:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233752AbhEOTSs (ORCPT ); Sat, 15 May 2021 15:18:48 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8492AC061573 for ; Sat, 15 May 2021 12:17:34 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lhzn2-00039D-Ar; Sat, 15 May 2021 21:17:32 +0200 Received: from pengutronix.de (unknown [IPv6:2a03:f580:87bc:d400:bbeb:8461:90d8:87f0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id BB137624D38; Sat, 15 May 2021 19:17:30 +0000 (UTC) Date: Sat, 15 May 2021 21:17:29 +0200 From: Marc Kleine-Budde To: Patrick Menschel Cc: Kurt Van Dijck , linux-can Subject: Re: J1939 Questions on Intended usage Message-ID: <20210515191729.ykes5tmwf4mu6lzj@pengutronix.de> References: <20210515122611.GC2387@x1.vandijck-laurijssen.be> <38c85980-a569-b714-2643-9623b3dbc973@posteo.de> <72aa8b79-5ba9-26ee-3918-09532e0f1eae@posteo.de> <20210515184237.GD2387@x1.vandijck-laurijssen.be> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="7jbap3gayxtmdc4z" Content-Disposition: inline In-Reply-To: X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-can@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org --7jbap3gayxtmdc4z Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 15.05.2021 19:00:43, Patrick Menschel wrote: > that was the trick. But why does it throw a PermissionError ? So does ipv4: https://elixir.bootlin.com/linux/v5.12.4/source/net/ipv4/datagram.c#L61 Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --7jbap3gayxtmdc4z Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAmCgHkMACgkQqclaivrt 76kj0Af+N/lBBqMGOAFm9yOBs3yrzV4YPnI9NGidjS75XifMFiNg1WKgJ+lUl775 Wnw5V2lxPEaEyFEapm/1I7J9gbhdvHz+X6q1JMgyZ4nyQk1lOnuNv3uWTsHda28K Cd6msGYUXFSO1pc4vQgZjVg0O5Jl7KcA4IpK3zYg9qhSsqOc9Lv0NFd3KrPUqpwZ 1OtIB7JFOF2ky1o7CmoGMPW9CWR+ASnLNmEQdqFyuUPl06vpmigI5+s0elureToU SF3RZTjzmGuymc/lLgkSJXEGmyFHzjo72ls5yWN+ngr6kWCc6VyaOeTfHHTi2ui4 ok8UKDTFpD1obisYFK9AIjTrsA2b4A== =svmU -----END PGP SIGNATURE----- --7jbap3gayxtmdc4z--