[ofa-general] Re: [PATCH/RFC] IPoIB: Allocate priv->tx_ring with vmalloc()

Or Gerlitz ogerlitz at voltaire.com
Thu Mar 13 03:00:45 PDT 2008


Eli Cohen wrote:
> I noticed that too and I am not sure what the solution should be. From
> one side, for CM mode we clear NETIF_F_SG but then we use an MTU of
> 65520 bytes and it might not be so trivial for the networking stack to
> provide SKB with a linear data so large. 
I am not following you. With the connected mode not advertising SG 
support to the stack and exposing 64K MTU, the stack is forced to 
provide upto 64K sized linear SKBs, this is how it goes from the CM's 
day one, no?

Or.






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