sfc: Allow for additional checksum offload features

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index e1534ba6..96d3f00 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -864,6 +864,8 @@
  *	descriptors
  * @tx_dc_base: Base address in SRAM of TX queue descriptor caches
  * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
+ * @offload_features: net_device feature flags for protocol offload
+ *	features implemented in hardware
  * @reset_world_flags: Flags for additional components covered by
  *	reset method RESET_TYPE_WORLD
  */
@@ -904,6 +906,7 @@
 	unsigned int phys_addr_channels;
 	unsigned int tx_dc_base;
 	unsigned int rx_dc_base;
+	unsigned long offload_features;
 	u32 reset_world_flags;
 };