> >>>
> > >>>> -Original Message-----
> > >>>> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Sergio
> > Gonzalez
> > >>>> Monroy
> > >>>> Sent: Monday, September 26, 2016 6:28 AM
> > >
> Gonzalez
> >>>> Monroy
> >>>> Sent: Monday, September 26, 2016 6:28 AM
> >>>> To: akhil.goyal at nxp.com; dev at dpdk.org
> >>>> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update
> checksum
> >>>> while
half Of Sergio
> Gonzalez
> >>>> Monroy
> >>>> Sent: Monday, September 26, 2016 6:28 AM
> >>>> To: akhil.goyal at nxp.com; dev at dpdk.org
> >>>> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update
> checksum
> >>>&
>> Monroy
>>>> Sent: Monday, September 26, 2016 6:28 AM
>>>> To: akhil.goyal at nxp.com; dev at dpdk.org
>>>> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update checksum
>>>> while decrementing ttl
>>>>
>>>> Hi
; To: akhil.goyal at nxp.com; dev at dpdk.org
> >> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update checksum
> >> while decrementing ttl
> >>
> >> Hi Akhil,
> >>
> >> This application relies on checksum offload in both outbound and
rg
>> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update checksum
>> while decrementing ttl
>>
>> Hi Akhil,
>>
>> This application relies on checksum offload in both outbound and inbound
>> paths (PKT_TX_IP_CKSUM flag).
[Akhil]Agreed that the appli
> -Original Message-
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Sergio Gonzalez
> Monroy
> Sent: Monday, September 26, 2016 6:28 AM
> To: akhil.goyal at nxp.com; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] examples/ipsec-secgw: Update checksum
&g
From: Akhil Goyal
In IPsec-secgw application when TTL is decremented in IP header
before forwarding the packet, checksum needs to be updated.
In this patch an incremental checksum is added.
Other applications(like l3fwd) are also doing so.
Signed-off-by: Akhil Goyal
---
examples/ipsec-secgw/i
Hi Akhil,
This application relies on checksum offload in both outbound and inbound
paths (PKT_TX_IP_CKSUM flag).
Because we assume that we always forward the packet in both paths, we
decrement the ttl in both inbound and outbound.
You seem to only increment (recalculate) the checksum of the inn
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