diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 92a9067..ab4d05b 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -773,10 +773,10 @@
 
 	struct efx_buffer stats_buffer;
 
-	struct efx_mac_operations *mac_op;
+	const struct efx_mac_operations *mac_op;
 
 	unsigned int phy_type;
-	struct efx_phy_operations *phy_op;
+	const struct efx_phy_operations *phy_op;
 	void *phy_data;
 	struct mdio_if_info mdio;
 	unsigned int mdio_bus;
@@ -897,7 +897,7 @@
 	void (*resume_wol)(struct efx_nic *efx);
 	int (*test_registers)(struct efx_nic *efx);
 	int (*test_nvram)(struct efx_nic *efx);
-	struct efx_mac_operations *default_mac_ops;
+	const struct efx_mac_operations *default_mac_ops;
 
 	int revision;
 	unsigned int mem_map_size;