sfc: Fix efx_rx_buf_offset() in the presence of swiotlb

[firefly-linux-kernel-4.4.55.git] / drivers / net / ethernet / sfc / net_driver.h

diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 2d756c1d71425823100f572065e224a59ca16813..0a90abd2421b62540d7e2fb2888caa0a4a3abf3a 100644 (file)
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -210,6 +210,7 @@ struct efx_tx_queue {
  *     Will be %NULL if the buffer slot is currently free.
  * @page: The associated page buffer. Valif iff @flags & %EFX_RX_BUF_PAGE.
  *     Will be %NULL if the buffer slot is currently free.
+ * @page_offset: Offset within page. Valid iff @flags & %EFX_RX_BUF_PAGE.
  * @len: Buffer length, in bytes.
  * @flags: Flags for buffer and packet state.
  */
@@ -219,7 +220,8 @@ struct efx_rx_buffer {
                struct sk_buff *skb;
                struct page *page;
        } u;
-       unsigned int len;
+       u16 page_offset;
+       u16 len;
        u16 flags;
 };
 #define EFX_RX_BUF_PAGE                0x0001