From: "Mattias Rönnblom" <hofors@lysator.liu.se>
To: Bili Dong <qobilidop@gmail.com>, dev@dpdk.org
Cc: cristian.dumitrescu@intel.com
Subject: Re: Question about naive XOR hash in DPDK
Date: Wed, 9 Nov 2022 23:08:41 +0100 [thread overview]
Message-ID: <d150d930-dca3-1268-1ebe-2fb6281be527@lysator.liu.se> (raw)
In-Reply-To: <CAFnY8dEX_KXS=oRkOR=U0DJSKzk_bp5gKmRAw--z_sU+ELU__Q@mail.gmail.com>
On 2022-11-07 19:57, Bili Dong wrote:
> Dear DPDK devs,
>
> We are using DPDK as the backend target of a P4 pipeline
> (https://github.com/p4lang/p4-dpdk-target
> <https://github.com/p4lang/p4-dpdk-target>). A recent issue we are
> trying to solve is to support a naive XOR hash (something like this
> <https://github.com/p4lang/behavioral-model/blob/b7a5c105e5c21414ac07f7f2879b45c000ab2aa4/src/bm_sim/calculations.cpp#L380-L399>) in this pipeline. This requires an XOR hash implementation in DPDK.I have the following questions:
Why would it *require* an xor hash function in DPDK?
>
> 1. Is there already an XOR hash implementation in DPDK? I haven't found
> it myself, but I could have missed it.
> 2. If it doesn't exist, I'm willing to contribute one, as the
> implementation is quite straightforward. But I might need your help
> on where to put the code, as I'm not that familiar with the code
> organization.
>
> Any help would be appreciated!
>
> Thanks,
> Bili
>
next prev parent reply other threads:[~2022-11-09 22:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 18:57 Bili Dong
2022-11-09 22:08 ` Mattias Rönnblom [this message]
2022-11-11 17:59 ` Bili Dong
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