Re: [RFC 2.6.10 0/22] Add hardware assist for IPSEC crypto
flat view
From: "David S. Miller" <davem@davemloft.net>
Date: 2005-01-21 22:35:02
On Thu, 30 Dec 2004 03:48:34 -0500 David Dillow [off-list ref] wrote:
Bandwidth tests Config (sender -> receiver) Bandwidth ori CPU tank CPU No IPSEC (tank->ori) 11494 KB/s 11.9% 18.7% No IPSEC (ori->tank) 11492 KB/s 9.5% 34.3% AH/SHA1 (sw) (tank->ori) 11303 KB/s 29.2% 79.3% AH/SHA1 (sw) (ori->tank) 11302 KB/s 28.6% 91.1% ESP/3DES,SHA1 (sw) (tank->ori) 2130 KB/s 29.6% 100% ESP/3DES,SHA1 (sw) (ori->tank) 2263 KB/s 29.3% 99.7% ESP-AH/3DES,SHA1-SHA1 (sw) (tank->ori) 1906 KB/s 29.1% 100% ESP-AH/3DES,SHA1-SHA1 (sw) (ori->tank) 2051 KB/s 29.3% 99.7%
It's a shame we don't have an assembler optimized 3DES at least for x86 in the crypto library of the kernel, even if just for tests such as this. I'll start reviewing your patches right now.