From: Bill Fink <billfink@mindspring.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: sclark46@earthlink.net, Bruce Curtis <brutus@google.com>,
David Miller <davem@davemloft.net>,
edumazet@google.com, netdev@vger.kernel.org
Subject: Re: [PATCH v3] net-tcp: TCP/IP stack bypass for loopback connections
Date: Thu, 20 Sep 2012 12:21:56 -0400 [thread overview]
Message-ID: <20120920122156.44cbfd59.billfink@mindspring.com> (raw)
In-Reply-To: <1348141871.31352.66.camel@edumazet-glaptop>
On Thu, 20 Sep 2012, Eric Dumazet wrote:
> On Thu, 2012-09-20 at 07:28 -0400, Stephen Clark wrote:
> >
> > Does this mean traffic on the loopback interface will not traverse
> > netfilter?
> >
>
> Yes this was already mentioned.
>
> Only the SYN / SYNACK messages will
>
> All data will bypass IP stack, qdisc (if any), loopback driver, and
> netfilter.
These restrictions and any others should be documented in ip-sysctl.txt.
>From Eric's earlier e-mail:
-> no iptables,
no qdisc (by default there is no qdisc on lo),
no loopback stats (ifconfig lo).
some SNMP stats missing as well (netstat -s)
-Bill
next prev parent reply other threads:[~2012-09-20 17:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 18:58 [PATCH v3] net-tcp: TCP/IP stack bypass for loopback connections Bruce "Brutus" Curtis
2012-09-17 20:20 ` Eric Dumazet
2012-09-17 23:08 ` Bruce Curtis
2012-09-19 20:34 ` David Miller
2012-09-19 21:03 ` Eric Dumazet
2012-09-19 21:17 ` David Miller
2012-09-19 21:19 ` Bruce Curtis
2012-09-20 11:28 ` Stephen Clark
2012-09-20 11:51 ` Eric Dumazet
2012-09-20 16:21 ` Bill Fink [this message]
2012-09-20 17:24 ` Rick Jones
2012-09-20 19:41 ` David Miller
2012-09-20 19:30 ` David Miller
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