sctp: add feature bit for SCTP offload in hardware

this is the sctp code to enable hardware crc32c offload for
adapters that support it.

Originally by: Vlad Yasevich <vladislav.yasevich@hp.com>

modified by Jesse Brandeburg <jesse.brandeburg@intel.com>

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index fe20d171acf1..f8c3619d551f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -670,7 +670,9 @@ struct net_device
 #define NETIF_F_GRO             16384   /* Generic receive offload */
 #define NETIF_F_LRO             32768   /* large receive offload */
 
+/* the GSO_MASK reserves bits 16 through 23 */
 #define NETIF_F_FCOE_CRC        (1 << 24) /* FCoE CRC32 */
+#define NETIF_F_SCTP_CSUM       (1 << 25) /* SCTP checksum offload */
 
         /* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT       16