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Revision 4ebd7177

Added by Scott Ullrich about 16 years ago

Add L2 L3 Cache lookup by default.

- 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.

View differences:

conf.default/config.xml
134 134 
			<desc>TCP Offload Engine - BCE</desc>
135 135 
			<tunable>hw.bce.tso_enable</tunable>
136 136 
			<value>0</value>
137 
		</item>
137 
		</item>
138 
		<item>
139 
			<desc>Enable accelerating of L3 and L2 lookups</desc>
140 
			<tunable>net.inet.flowtable.enable</tunable>
141 
			<value>1</value>
142 
		</item>
138 143 
	</sysctl>
139 144 
	<system>
140 145 
		<optimization>normal</optimization>

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