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From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Markus Stockhausen
	<stockhausen-FhFLwxQf9jkb1SvskN2V4Q@public.gmane.org>,
	Erez Shitrit
	<erezsh-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: "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 10:49:18 +0200	[thread overview]
Message-ID: <5278B10E.6010903@mellanox.com> (raw)
In-Reply-To: <12EF8D94C6F8734FB2FF37B9FBEDD173585A4B3D-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org>

On 05/11/2013 10:25, Markus Stockhausen wrote:
> Are the TCP Ids in an TSO setup generated through firmware or in the software stack?

in HW
> And if in firmware: How does the card know how to increase them? I would expect that it only works with IB packets
> and does not know of the IP encapsulation.

All vendors networking HW which does TSO gets a hint from the driver 
this is TSO packet, in your case see
mlx4_ib_post_send and look for IB_WR_LSO

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      parent reply	other threads:[~2013-11-05  8:49 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
     [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                           ` Or Gerlitz [this message]

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