sfc: Record hardware RX hash on each skb where possible

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index ad35911..d68f061 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -480,6 +480,7 @@
 	 */
 	efx->rx_buffer_len = (max(EFX_PAGE_IP_ALIGN, NET_IP_ALIGN) +
 			      EFX_MAX_FRAME_LEN(efx->net_dev->mtu) +
+			      efx->type->rx_buffer_hash_size +
 			      efx->type->rx_buffer_padding);
 	efx->rx_buffer_order = get_order(efx->rx_buffer_len +
 					 sizeof(struct efx_rx_page_state));