From: Roland Dreier <rdreier@cisco.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Karen Xie <kxie@chelsio.com>,
netdev@vger.kernel.org, open-iscsi@googlegroups.com,
davem@davemloft.net, michaelc@cs.wisc.edu,
swise@opengridcomputing.com, daisyc@us.ibm.com,
wenxiong@us.ibm.com, bhua@us.ibm.com, divy@chelsio.com,
dm@chelsio.com, leedom@chelsio.com,
linux-scsi <linux-scsi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator
Date: Wed, 30 Jul 2008 14:35:51 -0700 [thread overview]
Message-ID: <aday73jxdfs.fsf@cisco.com> (raw)
In-Reply-To: <4890C287.60508@pobox.com> (Jeff Garzik's message of "Wed, 30 Jul 2008 15:35:35 -0400")
> * From a networking standpoint, our main concern becomes how this
> interacts with the networking stack. In particular, I'm concerned
> based on reading the source that this driver uses "TCP port stealing"
> rather than using a totally separate MAC address (and IP).
>
> Stealing a TCP port on an IP/interface already assigned is a common
> solution in this space, but also a flawed one. Precisely because the
> kernel and applications are unaware of this "special, magic TCP port"
> you open the potential for application problems that are very
> difficult for an admin to diagnose based on observed behavior.
That's true, but using a separate MAC and IP opens up a bunch of other
operational problems. I don't think the right answer for iSCSI offload
is clear yet.
- R.
next prev parent reply other threads:[~2008-07-30 21:35 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-30 0:19 [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator Karen Xie
2008-07-30 18:15 ` Shyam_Iyer
2008-07-30 18:37 ` Karen Xie
2008-07-30 19:21 ` Roland Dreier
2008-07-30 19:35 ` Jeff Garzik
2008-07-30 21:35 ` Roland Dreier [this message]
2008-08-01 0:51 ` Divy Le Ray
2008-08-07 18:45 ` Divy Le Ray
2008-08-07 20:07 ` Mike Christie
2008-08-08 18:09 ` Steve Wise
2008-08-08 22:15 ` Jeff Garzik
2008-08-08 22:20 ` Jeff Garzik
2008-08-09 7:28 ` David Miller
2008-08-09 14:04 ` Steve Wise
2008-08-10 5:14 ` Roland Dreier
2008-08-10 5:47 ` David Miller
2008-08-10 6:34 ` Herbert Xu
2008-08-10 17:57 ` Steve Wise
2008-08-11 16:09 ` Roland Dreier
2008-08-11 21:09 ` David Miller
2008-08-11 21:37 ` Roland Dreier
2008-08-11 21:51 ` David Miller
2008-08-11 23:20 ` Steve Wise
2008-08-11 23:45 ` Divy Le Ray
2008-08-12 0:22 ` David Miller
2008-08-10 5:12 ` Roland Dreier
2008-08-10 5:46 ` David Miller
2008-08-11 16:07 ` Roland Dreier
2008-08-11 21:08 ` David Miller
2008-08-11 21:39 ` Roland Dreier
2008-08-11 21:52 ` David Miller
2008-08-11 18:13 ` Rick Jones
2008-08-11 21:12 ` David Miller
2008-08-11 21:41 ` Roland Dreier
2008-08-11 21:53 ` David Miller
2008-08-12 21:57 ` Divy Le Ray
2008-08-12 22:01 ` David Miller
2008-08-12 22:02 ` David Miller
2008-08-12 22:21 ` Divy Le Ray
2008-08-13 1:57 ` Herbert Xu
2008-08-13 18:35 ` Vladislav Bolkhovitin
2008-08-13 19:29 ` Jeff Garzik
2008-08-13 20:13 ` David Miller
2008-08-14 18:24 ` Vladislav Bolkhovitin
2008-08-14 21:59 ` Nicholas A. Bellinger
2008-08-13 20:23 ` David Miller
2008-08-14 18:27 ` Vladislav Bolkhovitin
2008-08-14 18:30 ` Vladislav Bolkhovitin
2008-08-13 21:27 ` Roland Dreier
2008-08-13 22:08 ` David Miller
2008-08-13 23:03 ` Roland Dreier
2008-08-13 23:12 ` David Miller
2008-08-14 1:26 ` Tom Tucker
2008-08-14 1:37 ` David Miller
2008-08-14 1:52 ` Steve Wise
2008-08-14 2:05 ` David Miller
2008-08-14 2:44 ` Steve Wise
2008-08-14 1:57 ` Tom Tucker
2008-08-14 2:07 ` David Miller
2008-08-14 2:09 ` David Miller
2008-08-14 20:45 ` Andrew Gallatin
2008-08-14 22:23 ` David Miller
2008-08-15 12:19 ` Andrew Gallatin
2008-08-10 6:24 ` Herbert Xu
2008-08-10 9:19 ` Alan Cox
2008-08-10 12:49 ` Jeff Garzik
2008-08-10 14:54 ` James Bottomley
[not found] ` <1218380086.3418.21.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-08-11 16:50 ` Mike Christie
2008-07-31 1:24 ` Karen Xie
2008-07-31 12:45 ` Boaz Harrosh
2008-07-31 12:33 ` Boaz Harrosh
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