On Mon, Oct 28, 2013 at 12:34 PM, Markus Stockhausen
stockhau...@collogia.de wrote:
Hello,
about two month we had some problems with IPoIB transfer speeds .
See more http://marc.info/?l=linux-rdmam=137823326109158w=2
After some quite hard test iterations the problem seems to come from the
On 28/10/2013 21:34, Markus Stockhausen wrote:
After some quite hard test iterations the problem seems to come from the
IPoIB switch from LRO to GRO between kernels 2.6.37 and 2.6.38.
I built a test setup with a 2.6.38 kernel and additionaly compiled a 2.6.37
ib_ipoib module against it. This
Von: Or Gerlitz [ogerl...@mellanox.com]
Gesendet: Dienstag, 29. Oktober 2013 09:31
An: Markus Stockhausen; linux-rdma@vger.kernel.org; Yishai Hadas
Cc: s.wendy.ch...@gmail.com; Erez Shitrit; Saeed Mahameed
Betreff: Re: ACK behaviour difference LRO/GRO
On 29/10/2013 13:10, Markus Stockhausen wrote:
Just to be on the right way: What are the basics to get GRO working
with a ConnectX (not 2 or 3) card in 2044 MTU datagram mode?
- enable GRO with ethtool.
- Activate Coalescing with ethtool? If yes how?
GRO is SW element of the network stack, so
בתאריך 10/29/2013 1:43 PM, ציטוט Or Gerlitz:
On 29/10/2013 13:10, Markus Stockhausen wrote:
Just to be on the right way: What are the basics to get GRO working
with a ConnectX (not 2 or 3) card in 2044 MTU datagram mode?
- enable GRO with ethtool.
- Activate Coalescing with ethtool? If yes
On 29/10/2013 14:55, Erez Shitrit wrote:
In addition to what Or just wrote,
GRO currently doesn't work on ipoib interfaces, that according to bad
handling mac address that are not 6 bytes (we have plans to fix that
in the near future), that is the reason you don't see 64k packets on
tcpdump
Von: Or Gerlitz [ogerl...@mellanox.com]
Gesendet: Dienstag, 29. Oktober 2013 14:58
An: Erez Shitrit
Cc: Markus Stockhausen; linux-rdma@vger.kernel.org; Yishai Hadas;
s.wendy.ch...@gmail.com; Erez Shitrit; Saeed Mahameed
Betreff: Re: AW: ACK behaviour difference LRO/GRO
On 29/10/2013 14
On 29/10/2013 17:54, Markus Stockhausen wrote:
Should I exepect GRO to work on Mellanox IB cards with Linux 3.12 in general?
YES
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Von: Or Gerlitz [ogerl...@mellanox.com]
Gesendet: Dienstag, 29. Oktober 2013 16:55
An: Markus Stockhausen; Erez Shitrit
Cc: linux-rdma@vger.kernel.org; Yishai Hadas; s.wendy.ch...@gmail.com; Saeed
Mahameed
Betreff: Re: AW: AW: ACK behaviour difference LRO/GRO
On 29/10/2013 17:54, Markus
Hello,
about two month we had some problems with IPoIB transfer speeds .
See more http://marc.info/?l=linux-rdmam=137823326109158w=2
After some quite hard test iterations the problem seems to come from the
IPoIB switch from LRO to GRO between kernels 2.6.37 and 2.6.38.
I built a test setup
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