+static int xenvif_rx_ring_slots_needed(struct xenvif *vif)
+{
+ if (vif->gso_mask)
+ return DIV_ROUND_UP(vif->dev->gso_max_size, PAGE_SIZE) + 1;
+ else
+ return DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE);
+}
+
+static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue)