Roland Dreier <[email protected]> wrote on 09/17/2007 02:47:42 PM:
> > > IPoIB CM handles this properly by gathering together single pages
in
> > > skbs' fragment lists.
>
> > Then can we reuse IPoIB CM code here?
>
> Yes, if possible, refactoring things so that the rx skb allocation
> code becomes common between CM and non-CM would definitely make sense.
IPoIB-CM rx skb allocation is not generic to be used by UD, it allocates
more buffers than needed if mtu is not 64K, and doesn't query the real
max_num_sg from the device. I am thinking to have a generic skb allocation
in IPoIB based on matrix of (ipoib-mtu-size, page-size, max_num_sg,
head-size).
Thanks
Shirley
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