From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40196 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751092AbdLNKri (ORCPT ); Thu, 14 Dec 2017 05:47:38 -0500 Subject: Patch "net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts" has been added to the 4.14-stable tree To: sgoutham@cavium.com, aleksey.makarov@auriga.com, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 14 Dec 2017 11:47:27 +0100 Message-ID: <1513248447140161@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 net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts to the 4.14-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: net-thunderx-fix-tcp-udp-checksum-offload-for-ipv6-pkts.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Dec 14 11:45:40 CET 2017 From: Sunil Goutham Date: Thu, 23 Nov 2017 22:34:31 +0300 Subject: net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts From: Sunil Goutham [ Upstream commit fa6d7cb5d76cf0467c61420fc9238045aedfd379 ] Don't offload IP header checksum to NIC. This fixes a previous patch which enabled checksum offloading for both IPv4 and IPv6 packets. So L3 checksum offload was getting enabled for IPv6 pkts. And HW is dropping these pkts as it assumes the pkt is IPv4 when IP csum offload is set in the SQ descriptor. Fixes: 3a9024f52c2e ("net: thunderx: Enable TSO and checksum offloads for ipv6") Signed-off-by: Sunil Goutham Signed-off-by: Aleksey Makarov Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -1355,7 +1355,6 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *n /* Offload checksum calculation to HW */ if (skb->ip_summed == CHECKSUM_PARTIAL) { - hdr->csum_l3 = 1; /* Enable IP csum calculation */ hdr->l3_offset = skb_network_offset(skb); hdr->l4_offset = skb_transport_offset(skb); Patches currently in stable-queue which might be from sgoutham@cavium.com are queue-4.14/net-thunderx-fix-tcp-udp-checksum-offload-for-ipv6-pkts.patch queue-4.14/net-thunderx-fix-tcp-udp-checksum-offload-for-ipv4-pkts.patch