bnxt: add dma mapping attributes
On the SPARC platform we need to use the DMA_ATTR_WEAK_ORDERING attribute in our Rx path dma mapping in order to get the expected performance out of the receive path. Adding it to the Tx path has little effect, so that's not a part of this patch. Signed-off-by: NShannon Nelson <shannon.nelson@oracle.com> Reviewed-by: NTushar Dave <tushar.n.dave@oracle.com> Reviewed-by: NTom Saeger <tom.saeger@oracle.com> Acked-by: NMichael Chan <michael.chan@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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