gve: Fixes DMA synchronization.
[muen/linux.git] / drivers / net / ethernet / google / gve / gve_rx.c
index 59564ac..edec61d 100644 (file)
@@ -289,6 +289,8 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc,
 
        len = be16_to_cpu(rx_desc->len) - GVE_RX_PAD;
        page_info = &rx->data.page_info[idx];
+       dma_sync_single_for_cpu(&priv->pdev->dev, rx->data.qpl->page_buses[idx],
+                               PAGE_SIZE, DMA_FROM_DEVICE);
 
        /* gvnic can only receive into registered segments. If the buffer
         * can't be recycled, our only choice is to copy the data out of