Thread (10 messages) 10 messages, 5 authors, 2009-04-29

Re: [net-next PATCH 1/3] ixgbe: enable HW RSC for 82599

From: Roland Dreier <hidden>
Date: 2009-04-29 16:40:42

 > > ah, you're right, but this features enables our new hardware that can do 
 > > LRO in hardware, and then GRO can work on top of it if necessary.  We 
 > > wanted some way to turn it off and overloaded the LRO flag to do so.

 > That ugly.  And the kernel is going to turn this off on you
 > when the user enables either forwarding or bridging.

No comment on ugliness.  However it seems like a good feature if the
kernel turns off hardware LRO when forwarding/bridging is turned on --
after all, we don't want the hardware munging wire frames in that case,
for exactly the same reasons that we don't want the kernel LRO munging
frames.

 - R.
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