From: Thomas Graf <tgraf@suug.ch>
To: Tom Herbert <tom@herbertland.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
Kernel Team <kernel-team@fb.com>,
Tariq Toukan <tariqt@mellanox.com>,
Brenden Blanco <bblanco@plumgrid.com>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: [PATCH RFC 1/3] xdp: Infrastructure to generalize XDP
Date: Wed, 21 Sep 2016 01:43:47 +0200 [thread overview]
Message-ID: <20160920234347.GH3291@pox.localdomain> (raw)
In-Reply-To: <CALx6S37oniKp1JOeiygzr0RiQojj651ONqBgyvcJvqHj5-aT5g@mail.gmail.com>
On 09/20/16 at 04:18pm, Tom Herbert wrote:
> This allows other use cases than BPF inserting code into the data
> path. This gives XDP potential more utility and more users so that we
> can motivate more driver implementations. For instance, I thinks it's
> totally reasonable if the nftables guys want to insert some of their
> rules to perform early DDOS drop to get the same performance that we
> see in XDP.
Reasonable point with nftables but are any of these users on the table
already and ready to consume non-skbs? It would be a pity to add this
complexity and cost if it is never used.
I don't see how we can ensure performance if we have multiple
subsystems register for the hook each adding their own parsers which
need to be passed through sequentially. Maybe I'm missing something.
next prev parent reply other threads:[~2016-09-20 23:43 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-20 22:00 [PATCH RFC 0/3] xdp: Generalize XDP Tom Herbert
2016-09-20 22:00 ` [PATCH RFC 1/3] xdp: Infrastructure to generalize XDP Tom Herbert
2016-09-20 22:37 ` Eric Dumazet
2016-09-20 22:40 ` Tom Herbert
2016-09-20 22:44 ` Thomas Graf
2016-09-20 22:49 ` Tom Herbert
2016-09-20 23:09 ` Thomas Graf
2016-09-20 23:18 ` Tom Herbert
2016-09-20 23:43 ` Thomas Graf [this message]
2016-09-20 23:59 ` Tom Herbert
2016-09-21 0:13 ` Alexei Starovoitov
2016-09-21 11:55 ` Thomas Graf
2016-09-21 14:19 ` Tom Herbert
2016-09-21 14:48 ` Thomas Graf
2016-09-21 15:08 ` Tom Herbert
2016-09-21 19:56 ` Jesper Dangaard Brouer
2016-09-22 13:14 ` Jesper Dangaard Brouer
2016-09-22 14:46 ` Eric Dumazet
2016-09-21 15:39 ` Alexei Starovoitov
2016-09-21 17:26 ` Jakub Kicinski
2016-09-20 23:22 ` Daniel Borkmann
2016-09-21 0:01 ` Alexei Starovoitov
2016-09-21 6:39 ` Jesper Dangaard Brouer
2016-09-21 8:42 ` Daniel Borkmann
2016-09-21 15:44 ` Alexei Starovoitov
2016-09-21 17:26 ` Jakub Kicinski
2016-09-21 17:39 ` Tom Herbert
2016-09-21 18:45 ` Jakub Kicinski
2016-09-21 18:50 ` Tom Herbert
2016-09-21 18:54 ` Jakub Kicinski
2016-09-21 18:58 ` Thomas Graf
2016-09-23 11:13 ` Jamal Hadi Salim
2016-09-23 13:00 ` Jesper Dangaard Brouer
2016-09-23 14:26 ` Alexei Starovoitov
2016-09-25 11:32 ` Jamal Hadi Salim
2016-09-23 14:14 ` Tom Herbert
2016-09-25 12:29 ` Jamal Hadi Salim
2016-09-20 22:00 ` [PATCH RFC 2/3] mlx4: Change XDP/BPF to use generic XDP infrastructure Tom Herbert
2016-09-20 22:00 ` [PATCH RFC 3/3] netdevice: Remove obsolete xdp_netdev_command Tom Herbert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160920234347.GH3291@pox.localdomain \
--to=tgraf@suug.ch \
--cc=alexei.starovoitov@gmail.com \
--cc=bblanco@plumgrid.com \
--cc=brouer@redhat.com \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=kernel-team@fb.com \
--cc=netdev@vger.kernel.org \
--cc=tariqt@mellanox.com \
--cc=tom@herbertland.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).