From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46502 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752352AbdLFQ7o (ORCPT ); Wed, 6 Dec 2017 11:59:44 -0500 Subject: Patch "gtp: clear DF bit on GTP packet tx" has been added to the 4.9-stable tree To: aschultz@tpip.net, alexander.levin@verizon.com, davem@davemloft.net, gregkh@linuxfoundation.org, laforge@netfilter.org, pablo@netfilter.org Cc: , From: Date: Wed, 06 Dec 2017 17:59:17 +0100 Message-ID: <151257955792132@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled gtp: clear DF bit on GTP packet tx to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: gtp-clear-df-bit-on-gtp-packet-tx.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Wed Dec 6 17:39:55 CET 2017 From: Andreas Schultz Date: Fri, 27 Jan 2017 10:40:57 +0100 Subject: gtp: clear DF bit on GTP packet tx From: Andreas Schultz [ Upstream commit c6ce1d08eede4c2968ed08aafa3165e8e183c5a1 ] 3GPP TS 29.281 and 3GPP TS 29.060 imply that GTP-U packets should be sent with the DF bit cleared. For example 3GPP TS 29.060, Release 8, Section 13.2.2: > Backbone router: Any router in the backbone may fragment the GTP > packet if needed, according to IPv4. Signed-off-by: Andreas Schultz Acked-by: Harald Welte Acked-by: Pablo Neira Ayuso Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/gtp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -612,7 +612,7 @@ static netdev_tx_t gtp_dev_xmit(struct s pktinfo.fl4.saddr, pktinfo.fl4.daddr, pktinfo.iph->tos, ip4_dst_hoplimit(&pktinfo.rt->dst), - htons(IP_DF), + 0, pktinfo.gtph_port, pktinfo.gtph_port, true, false); break; Patches currently in stable-queue which might be from aschultz@tpip.net are queue-4.9/gtp-clear-df-bit-on-gtp-packet-tx.patch queue-4.9/gtp-fix-cross-netns-recv-on-gtp-socket.patch