netdev - Re: [PATCH net-next 0/4] net: tcp: make txhash use consistent for IPv4

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Date:   Thu, 27 Apr 2023 17:15:27 +0200
From:   Eric Dumazet <edumazet@...gle.com>
To:     Antoine Tenart <atenart@...nel.org>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next 0/4] net: tcp: make txhash use consistent for IPv4

On Thu, Apr 27, 2023 at 3:45 PM Antoine Tenart <atenart@...nel.org> wrote:
>
> Hello,
>
> Series is divided in two parts. First two commits make the txhash (used
> for the skb hash in TCP) to be consistent for all IPv4/TCP packets (IPv6
> doesn't have the same issue). Last two commits improve doc/comment
> hash-related parts.
>
> One example is when using OvS with dp_hash, which uses skb->hash, to
> select a path. We'd like packets from the same flow to be consistent, as
> well as the hash being stable over time when using net.core.txrehash=0.
> Same applies for kernel ECMP which also can use skb->hash.

How do you plan to test these patches ?

>
> IMHO the series makes sense in net-next, but we could argue (some)
> commits be seen as fixes and I can resend if necessary.

net-next is closed...