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Date:   Tue, 10 Oct 2023 12:32:35 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Takeru Hayasaka <hayatake396@gmail.com>
Cc:     Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Tony Nguyen <anthony.l.nguyen@intel.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] ethtool: ice: Support for RSS settings to GTP
 from ethtool
Message-ID: <20231010123235.4a6498da@kernel.org>
In-Reply-To: <20231008075221.61863-1-hayatake396@gmail.com>
References: <20231008075221.61863-1-hayatake396@gmail.com>
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On Sun,  8 Oct 2023 07:52:22 +0000 Takeru Hayasaka wrote:
> This is a patch that enables RSS functionality for GTP packets using
> ethtool.
> A user can include her TEID and make RSS work for GTP-U over IPv4 by
> doing the following:
> `ethtool -N ens3 rx-flow-hash gtpu4 sd`
> In addition to gtpu(4|6), we now support gtpc(4|6), gtpu(4|6)e,
> gtpu(4|6)u, and gtpu(4|6)d.

This is for tunneling, right? IDK much about GTP but we don't have flow
types for other tunneling protos. What makes this one special?