On 8/23/13 2:29 PM, Vijay Singh wrote:
We've been running with this change at work for some time and it doesn't seem
to be impacting performance at all. We have a statically routed environment
though. Also if we really want to optimize for performance wrt routing then
IMHO we need to bring back route caching to the tcpcb. Just a thought.
Thanks Vijay, I'll give a little more time and then push this change in.
-Alfred
Sent from my iPhone
On Aug 23, 2013, at 1:52 PM, Adrian Chadd <adr...@freebsd.org> wrote:
.. should just check to see what impact it has on performance in the
general case. that may change the cache behaviour of the ARP / routing
table code.
-adrian
On 23 August 2013 09:50, Alfred Perlstein <alf...@freebsd.org> wrote:
Hello -net.
This email is about making Infiniband a first class citizen of the FreeBSD
kernel.
Right now we have one #ifdef OFED in the src tree that makes compiling
modules a real challenge:
In sys/net/if_llatbl.h the "struct llentry" size changes based on if OFED
is compiled in or not, only by 16 bytes because Infiniband uses 20bytes for
MAC. I am wondering if it would be OK to just unifdef this part to make
inifiband a first class citizen of the kernel. Otherwise maybe we can
reverse the ifdef so that it's WITHOUT_OFED and by default have it on.
I understand that we can not do this for FreeBSD 9.x due to breaking
network ABI, however I think we still have time to do so in FreeBSD 10.x.
If there's no objection I'd like to push this change into head in the next
day or two. The only difference is +16 bytes to the "struct llentry".
Comments?
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