From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A4AA7A052B; Wed, 29 Jul 2020 18:00:50 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 83CA0F04; Wed, 29 Jul 2020 18:00:50 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id DE5DD3B5 for ; Wed, 29 Jul 2020 18:00:48 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.110.50.137]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 81F04201E0; Wed, 29 Jul 2020 16:00:48 +0000 (UTC) Received: from us4-mdac16-39.at1.mdlocal (unknown [10.110.51.54]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 7E53F600AA; Wed, 29 Jul 2020 16:00:48 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.110.49.105]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id DFB1B220083; Wed, 29 Jul 2020 16:00:47 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 900789C008E; Wed, 29 Jul 2020 16:00:47 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 29 Jul 2020 17:00:33 +0100 To: Olivier Matz , Yuying Zhang CC: , , , "Ferruh Yigit" , Andrew Rybchenko References: <20200728085531.204296-1-yuying.zhang@intel.com> <20200728170950.208532-1-yuying.zhang@intel.com> <20200729074913.GY5869@platinum> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 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X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.6.1012-25570.005 X-TM-AS-Result: No-14.663800-8.000000-10 X-TMASE-MatchedRID: +f/wAVSGjujmLzc6AOD8DfHkpkyUphL9Jl5Ui5zWgTDfc2Xd6VJ+yuN7 xqD5/++Zd7T+hlIMG3s9bn9/1HUuqjTuXZRUSTQGGi6hW8XaLRkacZilk37ECM1YMD+2TGH/2xt XfnpntX6D57Cy1hk9vqHNZPKA9/S76bBYqnb9Z7e7B1QwzOcQD1eOOwzb8N/GRu2i7U96I/scUn IIyt02ScSpp0kTJCqM1OBxFt7kCURqEf6Xr7r2WC47JrjmrIRi7WUu3l5O6eA2/UwdvFG5IlMe5 Blkpry7rdoLblq9S5ryf5NFbXKEM+TnG+MuSNUDh2VzUlo4HVN9LQinZ4QefL6qvLNjDYTwIq95 DjCZh0yiV3aaJQgD9QtuKBGekqUpI/NGWt0UYPDSECGSQ3b36e4zeuEdJJcvrMEJvUk+3/EnI7j 9RJ6ahbUZDcSdiclM X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--14.663800-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.6.1012-25570.005 X-MDID: 1596038448-ZWoY8RUz0BkR Subject: Re: [dpdk-dev] [PATCH v2 1/1] net: fix TSO packets checksum incorrect X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/29/20 10:49 AM, Olivier Matz wrote: > On Tue, Jul 28, 2020 at 05:09:50PM +0000, Yuying Zhang wrote: >> The ol_flags check lacks of flag for IPv6 which causes checksum >> flag configuration error while IPv6/TCP TSO packet is sent. >> This patch fixes the issue by adding PKT_TX_TCP_SEG flag. > > Thanks Yuying for the new version. I have another suggestion for the > title/commit log: > > net: fix bad checksum in offloaded TSOv6 packets > > The rte_net_intel_cksum_flags_prepare() function prepares the > pseudoheader checksum in packet data when doing checksum or TSO > offload. > > It does nothing when no checksum offload flag is set in mbuf. But in > case of a IPv6/TCP TSO packet, it is not mandatory to have a checksum > flag. We also need to check the PKT_TX_TCP_SEG flag in addition to > checksum flags to fix offload preparation for such packets. > >> Fixes: 520059a41aa9 ("net: check fragmented headers in non-debug as well") >> >> Signed-off-by: Yuying Zhang > > Acked-by: Olivier Matz Acked-by: Andrew Rybchenko > >> --- >> lib/librte_net/rte_net.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h >> index 1edc283a4..94b06d9ee 100644 >> --- a/lib/librte_net/rte_net.h >> +++ b/lib/librte_net/rte_net.h >> @@ -125,7 +125,7 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags) >> * Mainly it is required to avoid fragmented headers check if >> * no offloads are requested. >> */ >> - if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK))) >> + if (!(ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK | PKT_TX_TCP_SEG))) >> return 0; >> >> if (ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6)) >> -- >> 2.25.1 >>