[openib-general] Dropping NETIF_F_SG since no checksum feature.

[David Miller]

From: Roland Dreier <rdreier at cisco.com>
Date: Tue, 10 Oct 2006 20:49:09 -0700

>     David> non-sendfile() paths will generate big packets just fine,
>     David> as long as the application is providing that much data.
> 
> OK, cool.  Will the big packets be non-linear skbs?

If you had SG enabled (and thus checksumming offload too) then yes
you'll get a non-linear SKB.  Otherwise, without SG, you'll get a
fully linear SKB.