From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: "Tung,
Chien Tin"
<chien.tin.tung-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Andrea Gozzelino
<Andrea.Gozzelino-PK20h7lG/Rc1GQ1Ptb7lUw@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org"
<rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
"peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org"
<peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
"pavel-+ZI9xUNit7I@public.gmane.org"
<pavel-+ZI9xUNit7I@public.gmane.org>,
"mingo-X9Un+BFzKDI@public.gmane.org"
<mingo-X9Un+BFzKDI@public.gmane.org>,
Eric B Munson <ebmunson-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: Re: Socket Direct Protocol: help (2)
Date: Tue, 13 Apr 2010 15:20:58 -0500 [thread overview]
Message-ID: <4BC4D22A.6020700@opengridcomputing.com> (raw)
In-Reply-To: <2EFBCAEF10980645BBCFB605689E08E9047C7405A0-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Tung, Chien Tin wrote:
>>> NE020 supports 4 SGEs. I don't know enough about SDP to know why it is
>>> using this calculation for # of send_sge:
>>>
>>> #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE)
>>>
>>>
>>>
>> Chien, does the NE020 support FMRs? I looked at the nes ofed-1.5 code
>> and it appears to do nothing in the map_phys_fmr functions.
>>
>
> We never implemented map_phys_fmr. Is it relevant to the # of SGEs?
>
No, but SDP uses FMRs. I don't think it will run without FMR support.
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WARNING: multiple messages have this Message-ID (diff)
From: Steve Wise <swise@opengridcomputing.com>
To: "Tung, Chien Tin" <chien.tin.tung@intel.com>
Cc: Andrea Gozzelino <Andrea.Gozzelino@lnl.infn.it>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"rolandd@cisco.com" <rolandd@cisco.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"pavel@ucw.cz" <pavel@ucw.cz>, "mingo@elte.hu" <mingo@elte.hu>,
Eric B Munson <ebmunson@us.ibm.com>
Subject: Re: Socket Direct Protocol: help (2)
Date: Tue, 13 Apr 2010 15:20:58 -0500 [thread overview]
Message-ID: <4BC4D22A.6020700@opengridcomputing.com> (raw)
In-Reply-To: <2EFBCAEF10980645BBCFB605689E08E9047C7405A0@azsmsx506.amr.corp.intel.com>
Tung, Chien Tin wrote:
>>> NE020 supports 4 SGEs. I don't know enough about SDP to know why it is
>>> using this calculation for # of send_sge:
>>>
>>> #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE)
>>>
>>>
>>>
>> Chien, does the NE020 support FMRs? I looked at the nes ofed-1.5 code
>> and it appears to do nothing in the map_phys_fmr functions.
>>
>
> We never implemented map_phys_fmr. Is it relevant to the # of SGEs?
>
No, but SDP uses FMRs. I don't think it will run without FMR support.
next prev parent reply other threads:[~2010-04-13 20:20 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <13381_1271060138_o3C8FUH8013968_2977669.1271060085255.SLOX.WebMail.wwwrun@imap.lnl.infn.it>
[not found] ` <13381_1271060138_o3C8FUH8013968_2977669.1271060085255.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-12 14:33 ` Socket Direct Protocol: help (2) Andrea Gozzelino
2010-04-12 14:33 ` Andrea Gozzelino
[not found] ` <1246722.1271082830120.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-13 16:28 ` Tung, Chien Tin
2010-04-13 16:28 ` Tung, Chien Tin
[not found] ` <2EFBCAEF10980645BBCFB605689E08E9047C7402DA-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-04-13 16:39 ` Steve Wise
2010-04-13 16:39 ` Steve Wise
[not found] ` <4BC49E2B.3000804-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-04-13 20:02 ` Tung, Chien Tin
2010-04-13 20:02 ` Tung, Chien Tin
[not found] ` <2EFBCAEF10980645BBCFB605689E08E9047C7405A0-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-04-13 20:20 ` Steve Wise [this message]
2010-04-13 20:20 ` Steve Wise
[not found] ` <4BC4D22A.6020700-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-04-13 20:22 ` Tung, Chien Tin
2010-04-13 20:22 ` Tung, Chien Tin
[not found] ` <2EFBCAEF10980645BBCFB605689E08E9047C7405E9-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-04-14 8:51 ` Andrea Gozzelino
2010-04-14 8:51 ` Andrea Gozzelino
2010-04-14 14:31 ` Amir Vadai
[not found] ` <4BC5D1D3.3020004-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-14 14:46 ` Amir Vadai
2010-04-14 14:46 ` Amir Vadai
[not found] ` <4BC5D529.1060701-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-14 15:01 ` Tung, Chien Tin
2010-04-14 15:01 ` Tung, Chien Tin
[not found] ` <2EFBCAEF10980645BBCFB605689E08E9047C79B918-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-04-14 15:05 ` Steve Wise
2010-04-14 15:05 ` Steve Wise
2010-04-14 15:14 ` Andrea Gozzelino
[not found] ` <4BC5D9D4.7020702-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-04-14 18:48 ` Tung, Chien Tin
2010-04-14 18:48 ` Tung, Chien Tin
[not found] ` <2EFBCAEF10980645BBCFB605689E08E9047C79BD12-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-04-15 6:24 ` Amir Vadai
2010-04-15 6:24 ` Amir Vadai
[not found] ` <4BC6B135.20 60004@mellanox.co.il>
[not found] ` <4BC6B135.2060004-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-15 7:07 ` Andrea Gozzelino
2010-04-15 7:07 ` Andrea Gozzelino
[not found] ` <1205877.1271315264088.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-15 8:38 ` Amir Vadai
2010-04-15 8:38 ` Amir Vadai
[not found] ` <6490876.127177162 0997.SLOX.WebMail.wwwrun@imap.lnl.infn.it>
[not found] ` <4BC6D075.1070405-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-20 13:53 ` Andrea Gozzelino
2010-04-20 13:53 ` Andrea Gozzelino
[not found] ` <6490876.1271771620997.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-21 12:01 ` Amir Vadai
2010-04-21 12:01 ` Amir Vadai
2010-04-23 14:34 ` SDP bugs 2027 and 2028 Andrea Gozzelino
2010-04-23 14:34 ` Andrea Gozzelino
[not found] ` <484607.1272033291418.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-25 7:35 ` Amir Vadai
2010-04-25 7:35 ` Amir Vadai
[not found] ` <4BD3F0A9.4080306-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-26 18:27 ` Steve Wise
[not found] ` <4BD5DAFC.203070! 5@opengridcomputing.com>
[not found] ` <4BD5DAFC.2030705-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-07-09 9:36 ` bug 2028:SDP protocol fast memory registration Andrea Gozzelino
[not found] ` <4BCEE8FE.6! 050805@mellanox.co.il>
[not found] ` <4BCEE8FE.6050805-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-23 14:35 ` SDP bugs 2027 and 2028 Andrea Gozzelino
2010-04-23 14:35 ` Andrea Gozzelino
2010-04-23 14:35 ` Socket Direct Protocol: help (2) Andrea Gozzelino
2010-04-23 14:35 ` Andrea Gozzelino
2010-04-14 14:54 ` Steve Wise
2010-04-14 14:54 ` Steve Wise
[not found] ` <4BC5D727.4090400-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-04-14 15:03 ` Amir Vadai
2010-04-14 15:03 ` Amir Vadai
[not found] ` <4BC5D95D.3010108-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-04-14 15:08 ` Steve Wise
2010-04-14 15:08 ` Steve Wise
[not found] ` <4BC5DA5F.6010607-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-04-14 15:16 ` Amir Vadai
2010-04-14 15:16 ` Amir Vadai
[not found] ` <7037536.1271235105513.SLOX.WebMail.wwwrun-XDIR3SKYeFbgKi2NxijLtw@public.gmane.org>
2010-04-14 19:24 ` Tung, Chien Tin
2010-04-14 19:24 ` Tung, Chien Tin
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