From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Tom Herbert <therbert@google.com>,
Hannes Frederic Sowa <hannes@stressinduktion.org>,
Florian Westphal <fw@strlen.de>,
Daniel Borkmann <dborkman@redhat.com>,
Jamal Hadi Salim <jhs@mojatatu.com>,
Alexander Duyck <alexander.duyck@gmail.com>,
John Fastabend <john.r.fastabend@intel.com>,
Dave Taht <dave.taht@gmail.com>,
toke@toke.dk, brouer@redhat.com
Subject: Re: [net-next PATCH V5] qdisc: bulk dequeue support for qdiscs with TCQ_F_ONETXQUEUE
Date: Wed, 1 Oct 2014 00:07:52 +0200 [thread overview]
Message-ID: <20141001000752.4e553919@redhat.com> (raw)
In-Reply-To: <1412077736.30721.54.camel@edumazet-glaptop2.roam.corp.google.com>
On Tue, 30 Sep 2014 04:48:56 -0700
Eric Dumazet <eric.dumazet@gmail.com> wrote:
> In my opinion, you guys missed some opportunities :
This is a conservative first approach. The merge window is approaching
fast, is is annoying you are blocking a save conservative approach.
> 1) Ideally the algo should try to call validate_xmit_skb() outside of
> the locks (qdisc lock or device lock), because eventually doing checksum
> computation or full segmentation should allow other cpus doing enqueues.
Save it for later please, don't complicate things further.
> 2) TSO support. Have you ideas how to perform this ?
Yes, we already have patches floating which implements bulking of TSO
and GSO packets. You will get that.
Please one step at a time, also for bisect-ability...
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Sr. Network Kernel Developer at Red Hat
Author of http://www.iptv-analyzer.org
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2014-09-30 22:08 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 8:53 [net-next PATCH V5] qdisc: bulk dequeue support for qdiscs with TCQ_F_ONETXQUEUE Jesper Dangaard Brouer
2014-09-30 11:07 ` Jamal Hadi Salim
2014-09-30 18:20 ` David Miller
2014-10-01 13:17 ` Jamal Hadi Salim
2014-10-01 14:55 ` Tom Herbert
2014-10-01 15:34 ` Jamal Hadi Salim
2014-10-01 17:28 ` Jesper Dangaard Brouer
2014-10-01 18:55 ` Jamal Hadi Salim
2014-10-01 19:47 ` Jesper Dangaard Brouer
2014-10-01 20:05 ` Jamal Hadi Salim
2014-10-01 20:32 ` Jesper Dangaard Brouer
2014-10-02 5:18 ` Dave Taht
2014-10-02 7:44 ` Jesper Dangaard Brouer
2014-10-02 10:08 ` Toke Høiland-Jørgensen
2014-10-02 13:02 ` Jamal Hadi Salim
2014-10-02 12:53 ` Jamal Hadi Salim
2014-10-01 19:47 ` David Miller
2014-09-30 11:48 ` Eric Dumazet
2014-09-30 12:25 ` Florian Westphal
2014-09-30 12:38 ` Eric Dumazet
2014-09-30 12:41 ` Florian Westphal
2014-09-30 22:07 ` Jesper Dangaard Brouer [this message]
2014-09-30 22:15 ` Eric Dumazet
2014-09-30 12:34 ` Eric Dumazet
2014-09-30 12:51 ` [net-next PATCH] dql: add a burst attribute Eric Dumazet
2014-09-30 13:46 ` Florian Westphal
2014-09-30 14:17 ` Eric Dumazet
2014-09-30 14:26 ` Tom Herbert
2014-09-30 14:49 ` Eric Dumazet
2014-09-30 15:05 ` Tom Herbert
2014-09-30 14:31 ` Florian Westphal
2014-09-30 14:55 ` Eric Dumazet
2014-09-30 21:46 ` Jesper Dangaard Brouer
2014-10-01 4:44 ` Tom Herbert
2014-09-30 15:26 ` Florian Westphal
2014-09-30 15:39 ` Dave Taht
2014-09-30 15:41 ` Eric Dumazet
2014-09-30 21:29 ` Jesper Dangaard Brouer
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