[dpdk-dev] [PATCH v2 1/4] ethdev: add Rx offload outer UDP checksum definition
Jerin Jacob
jerin.jacob at caviumnetworks.com
Wed Oct 3 10:59:10 CEST 2018
-----Original Message-----
> Date: Wed, 3 Oct 2018 08:53:22 +0000
> From: "Ananyev, Konstantin" <konstantin.ananyev at intel.com>
> To: Jerin Jacob <jerin.jacob at caviumnetworks.com>, "Lu, Wenzhuo"
> <wenzhuo.lu at intel.com>, "Wu, Jingjing" <jingjing.wu at intel.com>,
> "Iremonger, Bernard" <bernard.iremonger at intel.com>, "Mcnamara, John"
> <john.mcnamara at intel.com>, "Kovacevic, Marko" <marko.kovacevic at intel.com>,
> Thomas Monjalon <thomas at monjalon.net>, "Yigit, Ferruh"
> <ferruh.yigit at intel.com>, Andrew Rybchenko <arybchenko at solarflare.com>,
> Olivier Matz <olivier.matz at 6wind.com>
> CC: "dev at dpdk.org" <dev at dpdk.org>, "shahafs at mellanox.com"
> <shahafs at mellanox.com>
> Subject: RE: [dpdk-dev] [PATCH v2 1/4] ethdev: add Rx offload outer UDP
> checksum definition
>
>
> Hi Jerin,
Hi Konstantin,
>
> >
> > Introduced DEV_RX_OFFLOAD_OUTER_UDP_CKSUM Rx offload flag and
> > PKT_RX_EL4_CKSUM_BAD mbuf ol_flags to detect outer UDP checksum
> > failure.
> >
> > - To use hardware Rx outer UDP checksum offload, the user needs to
> > configure DEV_RX_OFFLOAD_OUTER_UDP_CKSUM offload flags in slowpath.
> >
> > - Driver updates the PKT_RX_EL4_CKSUM_BAD mbuf ol_flag on checksum failure
> > similar to the outer L3 PKT_RX_EIP_CKSUM_BAD flag.
> >
> > Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
>
> Looks ok to me in general.
> Just wonder is there any PMD that supports all these new features?
octeontx2 PMD has this feature. I am planning to push the PMD for v19.02.
Before that I adding all the common code change to avoid the dependency.
> Konstantin
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