nfp: add separate buffer allocation function for napi

Introduce a separate buffer allocation function to be called
from NAPI.  We can make assumptions about the context and
buffer size.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed