On Sun, 19 Apr 2009, Kip Macy wrote:
Author: kmacy
Date: Sun Apr 19 00:16:04 2009
New Revision: 191255
URL: http://svn.freebsd.org/changeset/base/191255
Log:
- Import infrastructure for caching flows as a means of accelerating L3 and L2
lookups
as well as providing stateful load balancing when used with RADIX_MPATH.
- Currently compiled in to i386 and amd64 but disabled by default, it can be
enabled at
runtime with 'sysctl net.inet.flowtable.enable=1'.
- Embedded users can remove it entirely from the kernel by adding 'nooption
FLOWTABLE' to
their kernel config files.
- A minimal hookup will be added to ip_output in a subsequent commit. I would
like to see
more review before bringing in changes that require more churn.
Supported by: Bitgravity Inc.
Added:
head/sys/net/flowtable.c (contents, props changed)
head/sys/net/flowtable.h (contents, props changed)
Modified:
head/sys/amd64/conf/DEFAULTS
...
head/sys/i386/conf/DEFAULTS
...
Modified: head/sys/amd64/conf/DEFAULTS
==============================================================================
--- head/sys/amd64/conf/DEFAULTS Sat Apr 18 22:16:46 2009
(r191254)
+++ head/sys/amd64/conf/DEFAULTS Sun Apr 19 00:16:04 2009
(r191255)
@@ -20,3 +20,5 @@ options GEOM_PART_BSD
options GEOM_PART_EBR
options GEOM_PART_EBR_COMPAT
options GEOM_PART_MBR
+
+options FLOWTABLE
Modified: head/sys/i386/conf/DEFAULTS
==============================================================================
--- head/sys/i386/conf/DEFAULTS Sat Apr 18 22:16:46 2009 (r191254)
+++ head/sys/i386/conf/DEFAULTS Sun Apr 19 00:16:04 2009 (r191255)
@@ -28,3 +28,5 @@ options GEOM_PART_MBR
# enable support for native hardware
options NATIVE
device atpic
+
+options FLOWTABLE
...
I think FLOWTABLE does nto belong into DEFAULTS. Really DEFAULTS was
meant for "You cannot boot without this" and if people start to weaken
it, DEFAULTS will soon be the new GENERIC. That said I am not sure it
belongs to GENERIC either.
--
Bjoern A. Zeeb The greatest risk is not taking one.
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