From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Subject: Re: [PATCH 3/4] ethdev: add Rx offload outer L4 checksum
 definitions
Date: Fri, 14 Sep 2018 08:35:43 +0530
Message-ID: <20180914030541.GA3822@jerin>
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Cc: Wenzhuo Lu <wenzhuo.lu@intel.com>, Jingjing Wu <jingjing.wu@intel.com>,
 Bernard Iremonger <bernard.iremonger@intel.com>,
 John McNamara <john.mcnamara@intel.com>,
 Marko Kovacevic <marko.kovacevic@intel.com>,
 Thomas Monjalon <thomas@monjalon.net>,
 Ferruh Yigit <ferruh.yigit@intel.com>,
 Andrew Rybchenko <arybchenko@solarflare.com>,
 Olivier Matz <olivier.matz@6wind.com>, "dev@dpdk.org" <dev@dpdk.org>
To: Shahaf Shuler <shahafs@mellanox.com>
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-----Original Message-----
> Date: Thu, 13 Sep 2018 17:24:26 +0000
> From: Shahaf Shuler <shahafs@mellanox.com>
> To: Jerin Jacob <jerin.jacob@caviumnetworks.com>, Wenzhuo Lu
>  <wenzhuo.lu@intel.com>, Jingjing Wu <jingjing.wu@intel.com>, Bernard
>  Iremonger <bernard.iremonger@intel.com>, John McNamara
>  <john.mcnamara@intel.com>, Marko Kovacevic <marko.kovacevic@intel.com>,
>  Thomas Monjalon <thomas@monjalon.net>, Ferruh Yigit
>  <ferruh.yigit@intel.com>, Andrew Rybchenko <arybchenko@solarflare.com>,
>  Olivier Matz <olivier.matz@6wind.com>
> CC: "dev@dpdk.org" <dev@dpdk.org>
> Subject: RE: [dpdk-dev] [PATCH 3/4] ethdev: add Rx offload outer L4
>  checksum definitions
> 
> 
> Thursday, September 13, 2018 4:47 PM, Jerin Jacob:
> > Subject: [dpdk-dev] [PATCH 3/4] ethdev: add Rx offload outer L4 checksum
> > definitions
> >
> > Introduced DEV_RX_OFFLOAD_OUTER_UDP_CKSUM,
> > DEV_RX_OFFLOAD_OUTER_TCP_CKSUM and
> > DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM offload flags and
> 
> Out of curiosity, which TCP based tunnels you target with this current patchset?

I am not aware of any _popular_/_non proprietary_  protocols except SSTP for VPN.


> 
> >
> > PKT_RX_EL4_CKSUM_BAD mbuf ol_flags to enable outer Rx L4 checksum
> > offload.
> >
> > # To use hardware Rx outer L4 checksum offload, the user needs to
> > configure DEV_RX_OFFLOAD_OUTER_* 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@caviumnetworks.com>