in the API? It would seem that a
function which could update the ib_mad_addr in a umad given a path record would
seem appropriate.
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610-233-4852 Fax: 610-233-4777
todd.rim...@qlogic.com www.QLogic.com
. There are existing
configurations where the QLogic SM can configure a different LMC value for
certain types of nodes in the fabric. All of which need to be able to
participate in IPoIB.
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610-233-4852 Fax: 610-233-4777
todd.rim
and perform a load balancing algorithm
across them (I'm aware of a couple applications which do this)
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610-233-4852 Fax: 610-233-4777
todd.rim...@qlogic.commailto:todd.rim...@qlogic.com
www.QLogic.comhttp://www.QLogic.com
From: general
to
be effective APIs and libraries that map well into the style of the language.
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610-233-4852 Fax: 610-233-4777
todd.rim...@qlogic.com www.QLogic.com
-Original Message-
From: general-boun...@lists.openfabrics.org
I am aware of 3rd party applications which use UC. However nothing other than
perhaps test programs which ships with OFED uses UC.
Why do you ask?
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610-233-4852 Fax: 610-233-4777
todd.rim...@qlogic.com www.QLogic.com
Is there an OFED API so a user space application can register for callbacks
from the SMA for events such as:
- LID changed
- SMLID changed
- Subnet Prefix Changed
- PKey table changed
- Potentially other aspects of SMA changed
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610
the port differently. A
similar problem occurs if the SM is reconfigured and the 1st pkey changes.
His patch will adjust the pkey used by IPoIB (which is also part of the IPoIB
IPv4 broadcast address) when the PKey table changes.
Todd Rimmer
Chief Architect
QLogic Network Systems Group
Voice: 610
thought that it is permitted.
[Todd Rimmer] It's about scalability. An all to all query in a fabric would
return at least N^2 path records, add in an LMC, some varied SLs and PKeys and
quickly it becomes ludicrously large. For example at only 25 nodes, with 8 SLs
and 4 PKeys you could have 20,000
HCA or
switch port. All IB products shipped within the last 6 years support
10g, so the fact your system has negotiated to 2.5g indicates a problem
with the link.
Bad or poorly connected cables are the typical cause.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852
numbers
may be reused, however at a given point in time, only a single QP in the
HCA will exist with the given number.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
protocol complexity
will depend on the specific application/problem you are trying to solve.
Todd Rimmer
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risk that this option can introduce and it should clearly not be
the default behavior.
Michael's idea of doing this in a manner so the unchecksum'ed packets
are unroutable may also be reasonable.
Todd Rimmer
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(constrained by MTU).
Hence there is NO consistent N for which Packets = Bytes/N
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
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which resolves path in 1 loop than 2 loops
in case of GID(first to resolve GID and then to get LID).
[Todd Rimmer] Basing IPoIB on the GID keeps open the opportunity for
IPoIB to span IB subnets in the future. Also this permits the SM to
manage the paths and PathRecord parameters appropriately
Hal,
Attached is a diff with 2 fixes to complib. The first is one I sent you
yesterday (reset count in qmap on remove_all). The second corrects the
same bug in fleximap.
Patches are against main branch, however this code is the same in OFED
1.2 as well.
Todd Rimmer
Chief Architect
QLogic
From: Hal Rosenstock [mailto:[EMAIL PROTECTED]
Your mailer may be munging this patch:
Here it is as an attachment, I'll try to see in the future if other
mailer options correct the munging issue.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233
the search.
We added this capability to our internal equivalent of complib a few
years ago and found a lot of uses for it. So I thought it would be a
simple yet powerful capability to add to OFED complib.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610
the overall success of the technology. VHS vs Beta is a
perfect example.
/soapbox
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
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. Having such messages indicate at least
the direction of the failed transfer can be invaluable to debug.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
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ports), appears as IB TCA
and IB switches.
The VNIC driver in OFED 1.2 will be able to use the 10 GE ports on the
leaf.
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
?:IBV_WC_SEND:IBV_WC_RECV;
Attached are the context diffs for src_cq.c and mthca_cq.c for this
change.
Thank You,
Todd Rimmer
Chief Architect
QLogic System Interconnect Group
Voice: 610-233-4852 Fax: 610-233-4777
[EMAIL PROTECTED] www.QLogic.com
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