From: Florian Weimer <fweimer@bfk.de>
To: Urs Thuermann <urs@isnogud.escape.de>
Cc: Bill Fink <billfink@mindspring.com>,
"Brandeburg, Jesse" <jesse.brandeburg@intel.com>,
"L F" <lfabio.linux@gmail.com>,
"Kok, Auke-jan H" <auke-jan.h.kok@intel.com>,
"James Chapman" <jchapman@katalix.com>, <netdev@vger.kernel.org>
Subject: Re: e1000 driver and samba
Date: Tue, 18 Sep 2007 15:39:59 +0200 [thread overview]
Message-ID: <82k5qoxfbk.fsf@mid.bfk.de> (raw)
In-Reply-To: <ygfps0g8lj0.fsf@janus.isnogud.escape.de> (Urs Thuermann's message of "18 Sep 2007 09:45:07 +0200")
* Urs Thuermann:
> How can a corrupted frame pass the TCP checksum check?
The TCP/IP checksums are extremely weak. If the corruption is due to
defective SRAM or something like that, it's likely that it causes an
error pattern which is 16-bit-aligned. And an even number of
16-bit-aligned bit flips is not detected by the TCP checksum. 8-(
Actually, nobody should use TCP without application-level checksums
for that reason. But of course, there is HTTP.
--
Florian Weimer <fweimer@bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstraße 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
next prev parent reply other threads:[~2007-09-18 13:57 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 2:04 e1000 driver and samba L F
2007-09-14 17:18 ` Kok, Auke
2007-09-14 18:40 ` L F
2007-09-14 20:59 ` Kok, Auke
2007-09-15 0:37 ` L F
2007-09-15 5:09 ` Bill Fink
2007-09-15 12:27 ` L F
2007-09-15 12:44 ` L F
2007-09-15 17:44 ` James Chapman
2007-09-15 19:07 ` Kok, Auke
2007-09-16 4:06 ` L F
2007-09-16 5:04 ` Kok, Auke
2007-09-17 16:42 ` L F
2007-09-17 17:02 ` Kok, Auke
2007-09-17 18:58 ` L F
2007-09-17 21:01 ` Brandeburg, Jesse
2007-09-18 6:03 ` Bill Fink
2007-09-18 7:45 ` Urs Thuermann
2007-09-18 8:47 ` Bill Fink
2007-09-18 13:39 ` Florian Weimer [this message]
2007-09-18 16:32 ` L F
2007-09-18 17:04 ` Tantilov, Emil S
2007-09-19 14:53 ` L F
2007-09-20 2:51 ` Bill Fink
2007-09-21 14:08 ` L F
2007-09-20 4:53 ` Bill Fink
2007-09-18 16:44 ` Bill Fink
2007-09-17 18:02 ` Rick Jones
2007-09-17 18:51 ` Kok, Auke
2007-09-16 16:24 ` James Chapman
2007-09-16 20:03 ` Kok, Auke
2007-09-16 4:07 ` L F
2007-09-14 18:26 ` Francois Romieu
2007-09-14 18:41 ` L F
-- strict thread matches above, loose matches on Subject: below --
2007-09-20 23:30 Bruce Cole
2007-09-21 14:13 ` L F
2007-09-21 18:21 ` Bruce Cole
2007-09-21 21:49 ` Francois Romieu
2007-09-21 22:01 ` Bruce Cole
2007-09-21 22:41 ` Francois Romieu
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