sfc: Move descriptor cache base addresses to struct efx_nic_type

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 a42a051..30fb21e 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -857,6 +857,8 @@
  *	from &enum efx_init_mode.
  * @phys_addr_channels: Number of channels with physically addressed
  *	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
  */
 struct efx_nic_type {
 	struct efx_mac_operations *default_mac_ops;
@@ -872,6 +874,8 @@
 	unsigned int rx_buffer_padding;
 	unsigned int max_interrupt_mode;
 	unsigned int phys_addr_channels;
+	unsigned int tx_dc_base;
+	unsigned int rx_dc_base;
 };
 
 /**************************************************************************