vxge: add receive hardware timestamping

Add support for enable/disabling hardware timestamping on receive
packets via ioctl call.  When enabled, the hardware timestamp replaces
the FCS in the payload.

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h
index 1699d7590b31..6f6e9ce0bf20 100644
--- a/drivers/net/vxge/vxge-main.h
+++ b/drivers/net/vxge/vxge-main.h
@@ -248,8 +248,9 @@ struct vxge_ring {
          */
         int driver_id;
 
-         /* copy of the flag indicating whether rx_csum is to be used */
-        u32 rx_csum;
+        /* copy of the flag indicating whether rx_csum is to be used */
+        u32 rx_csum:1,
+            rx_hwts:1;
 
         int pkts_processed;
         int budget;
@@ -327,7 +328,8 @@ struct vxgedev {
         u16             all_multi_flg;
 
          /* A flag indicating whether rx_csum is to be used or not. */
-        u32     rx_csum;
+        u32     rx_csum:1,
+                rx_hwts:1;
 
         struct vxge_msix_entry *vxge_entries;
         struct msix_entry *entries;