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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 536F2C433ED for ; Sat, 15 May 2021 18:41:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3148C6135D for ; Sat, 15 May 2021 18:41:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234493AbhEOSmk (ORCPT ); Sat, 15 May 2021 14:42:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231558AbhEOSmj (ORCPT ); Sat, 15 May 2021 14:42:39 -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 878D3C061573 for ; Sat, 15 May 2021 11:41:25 -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 1lhzDx-0008MD-7w; Sat, 15 May 2021 20:41:17 +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 3AD1B624D13; Sat, 15 May 2021 18:41:15 +0000 (UTC) Date: Sat, 15 May 2021 20:41:14 +0200 From: Marc Kleine-Budde To: Patrick Menschel Cc: Kurt Van Dijck , linux-can Subject: Re: J1939 Questions on Intended usage Message-ID: <20210515184114.4bfg3e4u5i32tk5s@pengutronix.de> References: <20210515122611.GC2387@x1.vandijck-laurijssen.be> <38c85980-a569-b714-2643-9623b3dbc973@posteo.de> <72aa8b79-5ba9-26ee-3918-09532e0f1eae@posteo.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ajjk5be3unr2oxtp" Content-Disposition: inline In-Reply-To: <72aa8b79-5ba9-26ee-3918-09532e0f1eae@posteo.de> 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 --ajjk5be3unr2oxtp Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 15.05.2021 18:10:20, Patrick Menschel wrote: > The only thing that I didn't get to work is send to broadcast. > That PermissionError is somewhat strange. Does this from Documentation/networking/j1939.rst help? | By default no broadcast packets can be send or received. To enable sendin= g or | receiving broadcast packets use the socket option ``SO_BROADCAST``: 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 | --ajjk5be3unr2oxtp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAmCgFcYACgkQqclaivrt 76lqLgf/XQS0kn+S7yCOiDJBopWVjCfhfEZ+2Z0KkYtPRYFJpNkJ/tUzfc39GMMA kJMNol/iWWuVPh+EA3Yez37+YlzX6a8i78+3td/wIjetSAhWkMR9Kw5hnr5mEwWJ tsaqWd8CGySXqInIk4LISgElABH4kppwfGpriE3vT0AUBFaIVUuykYnb3h5gCRIT PiV2IReSIcthiqHhCvvob1PBXTnDOccLSpADKbTHpXR9a3M1I4lsYqmGGX6SsitG 6BF7FQcUSwlFPKBv2QXSHr+aNhIc7/a/uBg4WBBDFpvh/dAVWcqtI7RTuLkmzUDF ZEin1zaHFJTkaVp814rhkcbCzSJWyw== =THRh -----END PGP SIGNATURE----- --ajjk5be3unr2oxtp--