From: David Ahern <dsahern@gmail.com>
To: "Daniel Borkmann" <daniel@iogearbox.net>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Lorenzo Bianconi" <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, ilias.apalodimas@linaro.org,
davem@davemloft.net, lorenzo.bianconi@redhat.com, andrew@lunn.ch,
brouer@redhat.com, dsahern@kernel.org, bpf@vger.kernel.org
Subject: Re: [RFC net-next] net: mvneta: align xdp stats naming scheme to mlx5 driver
Date: Tue, 18 Feb 2020 16:24:13 -0700 [thread overview]
Message-ID: <c9018a2d-27d0-9ff8-82eb-83b37b40b12f@gmail.com> (raw)
In-Reply-To: <703ce998-e454-713c-fc7a-d5f1609146d8@iogearbox.net>
On 2/18/20 4:19 PM, Daniel Borkmann wrote:
> On 2/18/20 11:23 PM, Toke Høiland-Jørgensen wrote:
>> Jakub Kicinski <kuba@kernel.org> writes:
>>> On Tue, 18 Feb 2020 01:14:29 +0100 Lorenzo Bianconi wrote:
>>>> Introduce "rx" prefix in the name scheme for xdp counters
>>>> on rx path.
>>>> Differentiate between XDP_TX and ndo_xdp_xmit counters
>>>>
>>>> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
>>>
>>> Sorry for coming in late.
>>>
>>> I thought the ability to attach a BPF program to a fexit of another BPF
>>> program will put an end to these unnecessary statistics. IOW I maintain
>>> my position that there should be no ethtool stats for XDP.
>>>
>>> As discussed before real life BPF progs will maintain their own stats
>>> at the granularity of their choosing, so we're just wasting datapath
>>> cycles.
>
> +1
There is value in having something as essential as stats available
through standard APIs and tooling. mlx5, i40e, sfc, etc, etc already
provide stats via ethtool. This patch is making mvneta consistent with
existing stats from these other drivers.
next prev parent reply other threads:[~2020-02-18 23:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 0:14 [RFC net-next] net: mvneta: align xdp stats naming scheme to mlx5 driver Lorenzo Bianconi
2020-02-18 3:12 ` David Ahern
2020-02-18 17:02 ` Jesper Dangaard Brouer
2020-02-18 17:17 ` Lorenzo Bianconi
2020-02-18 17:48 ` Jesper Dangaard Brouer
2020-02-18 18:03 ` Lorenzo Bianconi
2020-02-18 21:29 ` Jakub Kicinski
2020-02-18 22:23 ` Toke Høiland-Jørgensen
2020-02-18 23:19 ` Daniel Borkmann
2020-02-18 23:24 ` David Ahern [this message]
2020-02-18 23:49 ` David Miller
2020-02-18 23:48 ` David Miller
2020-02-18 23:47 ` David Miller
2020-02-19 3:31 ` Jakub Kicinski
2020-02-19 8:26 ` Jesper Dangaard Brouer
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