tg3: Reintroduce tg3_tx_ring_info

The following patches will require the use of an additional flag in the
ring_info structure.  The use of this flag is tx path specific, so this
patch defines a specialized ring_info structure.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 691539ba17b..f6986ca50d8 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2652,6 +2652,11 @@ struct ring_info {
         DEFINE_DMA_UNMAP_ADDR(mapping);
 };
 
+struct tg3_tx_ring_info {
+        struct sk_buff                  *skb;
+        DEFINE_DMA_UNMAP_ADDR(mapping);
+};
+
 struct tg3_link_config {
         /* Describes what we're trying to get. */
         u32                             advertising;
@@ -2816,7 +2821,7 @@ struct tg3_napi {
         u32                             last_tx_cons;
         u32                             prodmbox;
         struct tg3_tx_buffer_desc       *tx_ring;
-        struct ring_info                *tx_buffers;
+        struct tg3_tx_ring_info         *tx_buffers;
 
         dma_addr_t                      status_mapping;
         dma_addr_t                      rx_rcb_mapping;