From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: multicasting netlink messages to groups > 31 from userspace Date: Wed, 04 Jul 2007 16:12:44 +0200 Message-ID: <468BAADC.4030203@trash.net> References: <1183492286.4021.21.camel@johannes.berg> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: netdev , jamal , Thomas Graf To: Johannes Berg Return-path: Received: from stinky.trash.net ([213.144.137.162]:38398 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759239AbXGDONu (ORCPT ); Wed, 4 Jul 2007 10:13:50 -0400 In-Reply-To: <1183492286.4021.21.camel@johannes.berg> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Johannes Berg wrote: > Hey, > > Looking through the code that uses NL_NONROOT_SEND I just realised that > it's impossible to send multicast messages from userspace to multicast > groups with IDs higher than 31. That's not really good given that > everywhere else we handle multicast groups up to 2^32-1 :/ Why do you want to send to a multicast group from userspace?