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From: "Zhang, Yuying" <yuying.zhang@intel.com>
To: "dev@dpdk.org" <dev@dpdk.org>,
	"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Yang, Qiming" <qiming.yang@intel.com>
Cc: David Marchand <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v3 1/1] net: fix bad checksum in offloaded TSOv6 packets
Date: Thu, 30 Jul 2020 02:25:07 +0000
Message-ID: <A53AB2D0242A7D4DBB44D1949F8D9BA4315E18@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20200730020043.17546-1-yuying.zhang@intel.com>

> -----Original Message-----
> From: Zhang, Yuying <yuying.zhang@intel.com>
> Sent: 2020年7月30日 10:01
> To: dev@dpdk.org; olivier.matz@6wind.com; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Yang, Qiming <qiming.yang@intel.com>
> Cc: Zhang, Yuying <yuying.zhang@intel.com>; David Marchand
> <david.marchand@redhat.com>
> Subject: [PATCH v3 1/1] 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 <yuying.zhang@intel.com>
> Acked-by: Olivier Matz <olivier.matz@6wind.com>
> Reviewed-by: David Marchand <david.marchand@redhat.com>
> ---
>  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

Please drop this patch since it has been merged into dpdk-next-net/master.
I am so sorry.

      reply	other threads:[~2020-07-30  2:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28  8:55 [dpdk-dev] [PATCH v1] net: fix TSO packet checksum incorrect Yuying Zhang
2020-07-28  9:29 ` Olivier Matz
2020-07-29 15:58   ` Andrew Rybchenko
2020-07-28 17:09 ` [dpdk-dev] [PATCH v2 1/1] net: fix TSO packets " Yuying Zhang
2020-07-29  2:28   ` Xie, WeiX
2020-07-29  7:49   ` Olivier Matz
2020-07-29 16:00     ` Andrew Rybchenko
2020-07-29  8:54   ` David Marchand
2020-07-29 10:03     ` Ferruh Yigit
2020-07-30  2:00 ` [dpdk-dev] [PATCH v3 1/1] net: fix bad checksum in offloaded TSOv6 packets Yuying Zhang
2020-07-30  2:25   ` Zhang, Yuying [this message]

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