lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 17 Sep 2007 10:16:02 +0530
From:	Krishna Kumar2 <>
To:	David Miller <>
Subject: Re: [PATCH 0/10 REV5] Implement skb batching and support in IPoIB/E1000

[Removing Jeff as requested from thread :) ]

Hi Dave,

David Miller <> wrote on 09/17/2007 07:55:02 AM:

> From: jamal <>
> Date: Sun, 16 Sep 2007 22:14:21 -0400
> > I still think this work - despite my vested interest - needs more
> > scrutiny from a performance perspective.
> Absolutely.
> There are tertiary issues I'm personally interested in, for example
> how well this stuff works when we enable software GSO on a non-TSO
> capable card.
> In such a case the GSO segment should be split right before we hit the
> driver and then all the sub-segments of the original GSO frame batched
> in one shot down to the device driver.
> In this way you'll get a large chunk of the benefit of TSO without
> explicit hardware support for the feature.
> There are several cards (some even 10GB) that will benefit immensely
> from this.

I have tried this on ehca which does not support TSO. I added GSO flag at
the ipoib layer (and that resulted in a panic/fix that is mentioned in
this patchset). I will re-run tests for this and submit results.


- KK

To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists