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Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator

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From: David Miller <davem@...>
To: <divy@...>
Cc: <rdreier@...>, <rick.jones2@...>, <jgarzik@...>, <swise@...>, <kxie@...>, <netdev@...>, <open-iscsi@...>, <michaelc@...>, <daisyc@...>, <wenxiong@...>, <bhua@...>, <dm@...>, <leedom@...>, <linux-scsi@...>, <linux-kernel@...>
Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator
Date: Tuesday, August 12, 2008 - 6:01 pm

From: Divy Le Ray <divy@chelsio.com>
Date: Tue, 12 Aug 2008 14:57:09 -0700


You keep a flow table with buffer IDs and offsets.

The S2IO guys did something similar for one of their initial LRO
impelementations.

It's still strictly stateless, and best-effort.  Entries can fall out
of the flow cache which makes upcoming data use new buffers and
offsets.

But these are the kinds of tricks you hardware folks should be
more than adequately able to design, rather than me. :-)
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Messages in current thread:
[RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Karen Xie, (Tue Jul 29, 8:19 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Boaz Harrosh, (Thu Jul 31, 8:33 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Jeff Garzik, (Wed Jul 30, 3:35 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Wed Jul 30, 5:35 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Divy Le Ray, (Thu Jul 31, 8:51 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Divy Le Ray, (Thu Aug 7, 2:45 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Fri Aug 8, 2:09 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Jeff Garzik, (Fri Aug 8, 6:15 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Sun Aug 10, 1:12 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Alan Cox, (Sun Aug 10, 5:19 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Jeff Garzik, (Sun Aug 10, 8:49 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, James Bottomley, (Sun Aug 10, 10:54 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Mike Christie, (Mon Aug 11, 12:50 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Herbert Xu, (Sun Aug 10, 2:24 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Sun Aug 10, 1:46 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Rick Jones, (Mon Aug 11, 2:13 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:12 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Andrew Gallatin, (Thu Aug 14, 4:45 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Thu Aug 14, 6:23 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Andrew Gallatin, (Fri Aug 15, 8:19 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Mon Aug 11, 5:41 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:53 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Wed Aug 13, 5:27 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 6:08 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Wed Aug 13, 7:03 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 7:12 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Tom Tucker, (Wed Aug 13, 9:26 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 10:09 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 9:37 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Tom Tucker, (Wed Aug 13, 9:57 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 10:07 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Wed Aug 13, 9:52 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 10:05 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Wed Aug 13, 10:44 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Divy Le Ray, (Tue Aug 12, 5:57 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Tue Aug 12, 6:02 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Divy Le Ray, (Tue Aug 12, 6:21 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Vladislav Bolkhovitin, (Wed Aug 13, 2:35 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 4:23 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Vladislav Bolkhovitin, (Thu Aug 14, 2:27 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Vladislav Bolkhovitin, (Thu Aug 14, 2:30 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Jeff Garzik, (Wed Aug 13, 3:29 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Vladislav Bolkhovitin, (Thu Aug 14, 2:24 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Nicholas A. Bellinger, (Thu Aug 14, 5:59 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Wed Aug 13, 4:13 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Herbert Xu, (Tue Aug 12, 9:57 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Tue Aug 12, 6:01 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Mon Aug 11, 12:07 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:08 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Mon Aug 11, 5:39 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:52 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Sat Aug 9, 3:28 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Sun Aug 10, 1:14 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Sun Aug 10, 1:47 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Mon Aug 11, 12:09 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:09 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Mon Aug 11, 7:20 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 8:22 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Divy Le Ray, (Mon Aug 11, 7:45 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Mon Aug 11, 5:37 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, David Miller, (Mon Aug 11, 5:51 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Sun Aug 10, 1:57 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Herbert Xu, (Sun Aug 10, 2:34 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Steve Wise, (Sat Aug 9, 10:04 am)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Jeff Garzik, (Fri Aug 8, 6:20 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Mike Christie, (Thu Aug 7, 4:07 pm)
Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, Roland Dreier, (Wed Jul 30, 3:21 pm)
RE: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator, , (Wed Jul 30, 2:15 pm)