Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 24 Apr 2015 01:34:36 +0200
From:      Sydney Meyer <meyer.sydney@googlemail.com>
To:        freebsd-net@freebsd.org
Subject:   Re: IPSec Performance under Xen
Message-ID:  <FB9FF951-3517-43F2-8B97-5EA3DBB2EBBD@gmail.com>
In-Reply-To: <55397FB3.6080702@yandex.ru>
References:  <CF189888-FD6B-4407-8360-56206D49DD6D@gmail.com> <55397FB3.6080702@yandex.ru>

next in thread | previous in thread | raw e-mail | index | archive | help
Sure.. i'll get back to you..

S.

> On Apr 24, 2015, at 01:26, Andrey V. Elsukov <bu7cher@yandex.ru> wrote:
> 
> On 24.04.2015 01:00, Sydney Meyer wrote:
>> Hello,
>> 
>> I have set up 2 VM's under Xen running each one IPSec-Endpoint.
>> Everything seems to work fine, but (measured with benchmarks/iperf)
>> the performance drops from ~10 Gb/s on a non-IPSec-Kernel to ~200
>> Mb/s with IPSec compiled in, regardless of whether actually using
>> IPSec or not.
> 
> Can you test this patch to see the difference? It isn't a fix. It is
> just to see how will help avoiding of PCB check.
> 
> --- ip_output.c	(revision 281867)
> +++ ip_output.c	(working copy)
> @@ -482,7 +482,7 @@ again:
> 
> sendit:
> #ifdef IPSEC
> -	switch(ip_ipsec_output(&m, inp, &flags, &error)) {
> +	switch(ip_ipsec_output(&m, NULL, &flags, &error)) {
> 	case 1:
> 		goto bad;
> 	case -1:
> 
> 
> -- 
> WBR, Andrey V. Elsukov




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?FB9FF951-3517-43F2-8B97-5EA3DBB2EBBD>