From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v3 net-next] sock: Reset dst when changing sk_mark via setsockopt Date: Thu, 08 Nov 2018 19:36:26 -0800 (PST) Message-ID: <20181108.193626.719722996347133067.davem@davemloft.net> References: <20181108141335.GA29455@konacove.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: david.barmann@stackpath.com Return-path: Received: from shards.monkeyblade.net ([23.128.96.9]:42242 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727311AbeKINPG (ORCPT ); Fri, 9 Nov 2018 08:15:06 -0500 In-Reply-To: <20181108141335.GA29455@konacove.com> Sender: netdev-owner@vger.kernel.org List-ID: From: David Barmann Date: Thu, 8 Nov 2018 08:13:35 -0600 > When setting the SO_MARK socket option, if the mark changes, the dst > needs to be reset so that a new route lookup is performed. > > This fixes the case where an application wants to change routing by > setting a new sk_mark. If this is done after some packets have already > been sent, the dst is cached and has no effect. > > Signed-off-by: David Barmann Applied.