[Ofvwg] [OFvWG] OFVWG meeting notes (11/3/2015)

[Rupert Dance]

Liran,

 

I like the idea of bi-weekly meetings. Could you consider making the
schedule so that we do not schedule OFvWG meetings on the first Tuesday of
the month because this always conflicts with the IBTA SC meeting which has
held their meetings on the first Tuesday of the month since 1999.

 

Thanks

 

Rupert

 

From: ofvwg-bounces at lists.openfabrics.org
[mailto:ofvwg-bounces at lists.openfabrics.org] On Behalf Of Liran Liss
Sent: Wednesday, November 04, 2015 10:10 AM
To: 'ofvwg at lists.openfabrics.org'
Subject: [Ofvwg] OFVWG meeting notes (11/3/2015)

 

Currently, OFVWG meetings concentrate on significant, relatively mature
topics.

Consequently, meetings are not always regular, and valuable feedback is
sometimes delayed.

Instead, it was proposed to meet on a bi-weekly bases, and cover important
developments on a regular basis.

 

Sagi Grimberg provided an update on the new kernel s/g patches.

The new API is simpler than the previous FRWR API, and uses standard s/g
data structures.

Specifically, the notion of independent page lists was removed.

In addition, the same API would be used for generic s/g (arbitrary byte
alignment and sizes) for devices that support it.

In any case, it is up to the ULP to honor s/g alignment requirements
depending on the device.

The kernel code was submitted.

A user-space equivalent is currently available in MOFED, but work is done to
prepare it for upstream.

 

Eran Ben Elisha provided an update on self-loopback prevention, which until
recently pertained only to kernel UD QPs.

The latest kernel patches extend support to raw Ethernet QPs, add ConnectX-3
device support and expose the interface to user-space.

ConnectX-4 device support is in review.

In user-space, libibvers and ConnectX-3 device support are under review, and
ConnectX-4 support will be sent to the list soon.

The user-space extensions follow the extended Verbs guide lines.

 

--Liran

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