On 23 Sep 2017, at 6:32, Stephen Hurd wrote:
Bjoern A. Zeeb wrote:
On 23 Sep 2017, at 1:35, Stephen Hurd wrote:
Author: shurd
Date: Sat Sep 23 01:35:14 2017
New Revision: 323942
URL: https://svnweb.freebsd.org/changeset/base/323942
Log:
Chain mbufs before passing to if_input()
Build a list of mbufs to pass to if_input() after LRO. Results in
12% small packet forwarding rate improvement.
forwarding seems a confusing word here..
The test was small (64 byte frames) received on one interface, then
sent out on a different one using the net.inet.ip.forwarding sysctl
(controlled via the gateway_enable setting in rc.conf).
Then this makes no sense as we don’t do LRO if forwarding is enabled
on the machine;
https://svnweb.freebsd.org/base/head/sys/netinet/tcp_lro.c?annotate=317390#l645
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