From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: ycheng@google.com, dave.taht@gmail.com, netdev@vger.kernel.org,
codel@lists.bufferbloat.net, therbert@google.com,
mattmathis@google.com, nanditad@google.com, ncardwell@google.com,
andrewmcgr@gmail.com
Subject: Re: [RFC PATCH] tcp: limit data skbs in qdisc layer
Date: Mon, 09 Jul 2012 00:08:34 -0700 (PDT) [thread overview]
Message-ID: <20120709.000834.1182150057463599677.davem@davemloft.net> (raw)
In-Reply-To: <1341396687.2583.1757.camel@edumazet-glaptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 04 Jul 2012 12:11:27 +0200
> sk->sk_wmem_alloc not allowed to grow above a given limit,
> allowing no more than ~4 segments [1] per tcp socket in qdisc layer at a
> given time. (if TSO is enabled, then a single TSO packet hits the limit)
I'm suspicious and anticipate that 10G will need more queueing than
you are able to get away with tg3 at 1G speeds. But it is an exciting
idea nonetheless :-)
next prev parent reply other threads:[~2012-07-09 7:08 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-28 17:07 [PATCH net-next] fq_codel: report congestion notification at enqueue time Eric Dumazet
2012-06-28 17:51 ` Dave Taht
2012-06-28 18:12 ` Eric Dumazet
2012-06-28 22:56 ` Yuchung Cheng
2012-06-28 23:47 ` Dave Taht
2012-06-29 4:50 ` Eric Dumazet
2012-06-29 5:24 ` Dave Taht
2012-07-04 10:11 ` [RFC PATCH] tcp: limit data skbs in qdisc layer Eric Dumazet
2012-07-09 7:08 ` David Miller [this message]
2012-07-09 8:03 ` Eric Dumazet
2012-07-09 8:48 ` Eric Dumazet
2012-07-09 14:55 ` Eric Dumazet
2012-07-10 13:28 ` Lin Ming
2012-07-10 15:13 ` [RFC PATCH v2] tcp: TCP Small Queues Eric Dumazet
2012-07-10 17:06 ` Eric Dumazet
2012-07-10 17:37 ` Yuchung Cheng
2012-07-10 18:32 ` Eric Dumazet
2012-07-11 15:11 ` Eric Dumazet
2012-07-11 15:16 ` Ben Greear
2012-07-11 15:25 ` Eric Dumazet
2012-07-11 15:43 ` Ben Greear
2012-07-11 15:54 ` Eric Dumazet
2012-07-11 16:03 ` Ben Greear
2012-07-11 18:23 ` Rick Jones
2012-07-11 23:38 ` Eric Dumazet
2012-07-11 18:44 ` Rick Jones
2012-07-11 23:49 ` Eric Dumazet
2012-07-12 7:34 ` Eric Dumazet
2012-07-12 7:37 ` David Miller
2012-07-12 7:51 ` Eric Dumazet
2012-07-12 14:55 ` Tom Herbert
2012-07-12 13:33 ` John Heffner
2012-07-12 13:46 ` Eric Dumazet
2012-07-12 16:44 ` John Heffner
2012-07-12 16:54 ` Jim Gettys
2012-06-28 23:52 ` [PATCH net-next] fq_codel: report congestion notification at enqueue time Nandita Dukkipati
2012-06-29 4:18 ` Eric Dumazet
2012-06-29 4:53 ` Eric Dumazet
2012-06-29 5:12 ` David Miller
2012-06-29 5:24 ` Eric Dumazet
2012-06-29 5:29 ` David Miller
2012-06-29 5:50 ` Eric Dumazet
2012-06-29 7:53 ` David Miller
2012-06-29 8:04 ` David Miller
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