From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Erez Shitrit <erezsh-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: Markus Stockhausen
<stockhausen-FhFLwxQf9jkb1SvskN2V4Q@public.gmane.org>,
Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Wendy Cheng
<s.wendy.cheng-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: AW: AW: AW: IPoIB GRO
Date: Tue, 5 Nov 2013 10:24:31 -0700 [thread overview]
Message-ID: <20131105172431.GA14706@obsidianresearch.com> (raw)
In-Reply-To: <5278B0CA.9080305-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On Tue, Nov 05, 2013 at 10:48:10AM +0200, Erez Shitrit wrote:
> so, to summarize:
> The HW does the work (truncates the big ip packet to series of ip
> packets, each with the relevant mtu size and increases the ip-id for
> each)
> The FW enables that work on the HW
> the FW in A0 card doesn't enable that option for the HW.
Sounds like this bug causes a performance regression, and it sounds
like it puts incorrect packets on the wire.
This should be patched, have the driver disable TSO for cards that
can't support it...
Jason
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next prev parent reply other threads:[~2013-11-05 17:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-03 10:58 IPoIB GRO Markus Stockhausen
[not found] ` <12EF8D94C6F8734FB2FF37B9FBEDD173585A3E3B-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>
2013-11-04 8:12 ` AW: " Markus Stockhausen
2013-11-04 8:24 ` Erez Shitrit
[not found] ` <527759C6.3070009-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2013-11-04 8:40 ` AW: " Markus Stockhausen
[not found] ` <12EF8D94C6F8734FB2FF37B9FBEDD173585A4301-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>
2013-11-04 12:41 ` Erez Shitrit
[not found] ` <52779612.9020103-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2013-11-04 13:21 ` AW: " Markus Stockhausen
[not found] ` <12EF8D94C6F8734FB2FF37B9FBEDD173585A45CF-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>
2013-11-04 21:17 ` Wendy Cheng
[not found] ` <CABgxfbEom7fjdshX5AaSXT3P_y=3xFwN9T3V+QXkB0bK-EfNjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-05 8:14 ` Or Gerlitz
2013-11-05 8:07 ` AW: " Or Gerlitz
[not found] ` <5278A757.2070406-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-11-05 8:25 ` AW: " Markus Stockhausen
[not found] ` <12EF8D94C6F8734FB2FF37B9FBEDD173585A4B3D-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>
2013-11-05 8:48 ` Erez Shitrit
[not found] ` <5278B0CA.9080305-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2013-11-05 17:24 ` Jason Gunthorpe [this message]
[not found] ` <20131105172431.GA14706-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-11-05 18:08 ` AW: " Markus Stockhausen
[not found] ` <12EF8D94C6F8734FB2FF37B9FBEDD173585A508B-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>
2013-11-06 7:50 ` Or Gerlitz
[not found] ` <5279F4DB.8040202-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-11-06 7:58 ` AW: " Markus Stockhausen
2013-11-05 8:49 ` AW: AW: " Or Gerlitz
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