Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756154AbbHYUqM (ORCPT ); Tue, 25 Aug 2015 16:46:12 -0400 Received: from mail-io0-f173.google.com ([209.85.223.173]:34932 "EHLO mail-io0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756053AbbHYUqI (ORCPT ); Tue, 25 Aug 2015 16:46:08 -0400 MIME-Version: 1.0 In-Reply-To: <1440462740-23358-11-git-send-email-joestringer@nicira.com> References: <1440462740-23358-1-git-send-email-joestringer@nicira.com> <1440462740-23358-11-git-send-email-joestringer@nicira.com> Date: Tue, 25 Aug 2015 13:46:08 -0700 Message-ID: Subject: Re: [PATCHv5 net-next 10/10] openvswitch: Allow attaching helpers to ct action From: Pravin Shelar To: Joe Stringer Cc: netdev , LKML , pablo , Florian Westphal , Hannes Sowa , Thomas Graf , Justin Pettit , Jesse Gross , netfilter-devel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1225 Lines: 26 On Mon, Aug 24, 2015 at 5:32 PM, Joe Stringer wrote: > Add support for using conntrack helpers to assist protocol detection. > The new OVS_CT_ATTR_HELPER attribute of the CT action specifies a helper > to be used for this connection. If no helper is specified, then helpers > will be automatically applied as per the sysctl configuration of > net.netfilter.nf_conntrack_helper. > > The helper may be specified as part of the conntrack action, eg: > ct(helper=ftp). Initial packets for related connections should be > committed to allow later packets for the flow to be considered > established. > > Example ovs-ofctl flows allowing FTP connections from ports 1->2: > in_port=1,tcp,action=ct(helper=ftp,commit),2 > in_port=2,tcp,ct_state=-trk,action=ct(recirc) > in_port=2,tcp,ct_state=+trk-new+est,action=1 > in_port=2,tcp,ct_state=+trk+rel,action=1 > > Signed-off-by: Joe Stringer Acked-by: Pravin B Shelar -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/