sfc: Extend self-tests

Include PMA/PMD in loopback self-tests as intended.

Add NVRAM checksum validation and include it in self-tests.

Add register self-tests.

Run PHY self-tests where available.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 9a8c283..d02937b 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -37,6 +37,12 @@
 
 /* Ports */
 extern void efx_reconfigure_port(struct efx_nic *efx);
+extern void __efx_reconfigure_port(struct efx_nic *efx);
+
+/* Reset handling */
+extern void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd);
+extern int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd,
+			bool ok);
 
 /* Global */
 extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);