From: Jakub Kicinski <kubakici@wp.pl>
To: Martin KaFai Lau <kafai@fb.com>
Cc: <netdev@vger.kernel.org>, Alexei Starovoitov <ast@fb.com>,
Brenden Blanco <bblanco@plumgrid.com>,
Daniel Borkmann <daniel@iogearbox.net>,
David Miller <davem@davemloft.net>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Tariq Toukan <tariqt@mellanox.com>,
Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH v2 net-next 0/4]: Allow head adjustment in XDP prog
Date: Mon, 5 Dec 2016 17:53:02 +0000 [thread overview]
Message-ID: <20161205175302.0d5d4fa7@jkicinski-Precision-T1700> (raw)
In-Reply-To: <1480821446-4122277-1-git-send-email-kafai@fb.com>
On Sat, 3 Dec 2016 19:17:22 -0800, Martin KaFai Lau wrote:
> This series adds a helper to allow head adjusting in XDP prog. mlx4
> driver has been modified to support this feature. An example is written
> to encapsulate a packet with an IPv4/v6 header and then XDP_TX it
> out.
Can we just add a feature to one of four drivers which support XDP
today and AFAICT leave it completely broken on remaining tree?
I'm not seeing any way for the drivers to inform the stack about their
capabilities, would that not be a pre-requisite?
next prev parent reply other threads:[~2016-12-05 17:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-04 3:17 [PATCH v2 net-next 0/4]: Allow head adjustment in XDP prog Martin KaFai Lau
2016-12-04 3:17 ` [PATCH v2 net-next 1/4] bpf: xdp: " Martin KaFai Lau
2016-12-04 15:11 ` Daniel Borkmann
2016-12-05 7:35 ` Jesper Dangaard Brouer
2016-12-06 17:35 ` John Fastabend
2016-12-06 18:52 ` Martin KaFai Lau
2016-12-04 3:17 ` [PATCH v2 net-next 2/4] mlx4: xdp: Allow raising MTU up to one page minus eth and vlan hdrs Martin KaFai Lau
2016-12-04 3:17 ` [PATCH v2 net-next 3/4] mlx4: xdp: Reserve headroom for receiving packet when XDP prog is active Martin KaFai Lau
2016-12-05 0:54 ` Saeed Mahameed
2016-12-05 19:55 ` Martin KaFai Lau
2016-12-06 16:50 ` Saeed Mahameed
2016-12-06 17:42 ` John Fastabend
2016-12-06 18:27 ` Martin KaFai Lau
2016-12-06 21:40 ` Saeed Mahameed
2016-12-06 22:25 ` Martin KaFai Lau
2016-12-04 3:17 ` [PATCH v2 net-next 4/4] bpf: xdp: Add XDP example for head adjustment Martin KaFai Lau
2016-12-05 17:53 ` Jakub Kicinski [this message]
2016-12-05 18:25 ` [PATCH v2 net-next 0/4]: Allow head adjustment in XDP prog Jesper Dangaard Brouer
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