Jack Vogel jfvogel at gmail.com
Thu Nov 27 11:43:33 PST 2008

On Thu, Nov 27, 2008 at 4:51 AM, Robert Watson <rwatson at freebsd.org> wrote:

> On Thu, 27 Nov 2008, Yony Yossef wrote:
>  Is there a native interface for LRO in FreeBSD 7? I can't find any use for
>> IFCAP_LRO but notifying the driver if to use or not to use this offload.
>> If not, is it planned for FreeBSD 8?
> IFCAP_LRO is a capability/policy flag allowing drivers to declare support
> for LRO, and for administrators to enable/disable it if present.  Drivers
> can either provide their own implementation (mxge, nxge) or use the system
> implementation (cxgb, igb).  I'm slightly surprised to see that igb
> references tcp_lro_init() but not IFCAP_LRO -- perhaps lro isn't yet fully
> hooked up, or perhaps there's a bug?  I believe all of the above applies to
> 7.1 but not 7.0, except possibly mxge supporting LRO in 7.0.

Been so busy internally that I did not even realize that this
capability had been created, I need to change both igb and
ixgbe to use it.

Thanks for pointing this out,


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