svn commit: r285523 - head/sys/conf

John-Mark Gurney jmg at FreeBSD.org
Tue Jul 14 05:10:00 UTC 2015


Author: jmg
Date: Tue Jul 14 05:09:58 2015
New Revision: 285523
URL: https://svnweb.freebsd.org/changeset/base/285523

Log:
  cryptodev is not needed for TCP_SIGNATURE...
  
  Comment that cryptodev shouldn't be used unless you know what you're
  doing...
  
  The various arm/mips and one powerpc configs that have cryptodev in
  them need to be addressed, audited if they provide benefit and removed
  if they don't...

Modified:
  head/sys/conf/NOTES

Modified: head/sys/conf/NOTES
==============================================================================
--- head/sys/conf/NOTES	Tue Jul 14 02:00:50 2015	(r285522)
+++ head/sys/conf/NOTES	Tue Jul 14 05:09:58 2015	(r285523)
@@ -997,8 +997,7 @@ options 	ACCEPT_FILTER_HTTP
 # carried in TCP option 19. This option is commonly used to protect
 # TCP sessions (e.g. BGP) where IPSEC is not available nor desirable.
 # This is enabled on a per-socket basis using the TCP_MD5SIG socket option.
-# This requires the use of 'device crypto', 'options IPSEC'
-# or 'device cryptodev'.
+# This requires the use of 'device crypto' and 'options IPSEC'.
 options 	TCP_SIGNATURE		#include support for RFC 2385
 
 # DUMMYNET enables the "dummynet" bandwidth limiter.  You need IPFIREWALL
@@ -2817,6 +2816,10 @@ options 	DCONS_FORCE_GDB=1	# force to be
 # been fed back to OpenBSD.
 
 device		crypto		# core crypto support
+
+# Only install the cryptodev device if you are running tests, or know
+# specificly why you need it.  Most cases, it is not needed and will
+# make things slower.
 device		cryptodev	# /dev/crypto for access to h/w
 
 device		rndtest		# FIPS 140-2 entropy tester


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