net/sfc/base: import loopback control

[dpdk.git] / drivers / net / sfc / base / ef10_mac.c

diff --git a/drivers/net/sfc/base/ef10_mac.c b/drivers/net/sfc/base/ef10_mac.c
index 477d0e7..488633f 100644 (file)
--- a/drivers/net/sfc/base/ef10_mac.c
+++ b/drivers/net/sfc/base/ef10_mac.c
@@ -443,6 +443,42 @@ ef10_mac_filter_default_rxq_clear(
 }
 
 
+#if EFSYS_OPT_LOOPBACK
+
+       __checkReturn   efx_rc_t
+ef10_mac_loopback_set(
+       __in            efx_nic_t *enp,
+       __in            efx_link_mode_t link_mode,
+       __in            efx_loopback_type_t loopback_type)
+{
+       efx_port_t *epp = &(enp->en_port);
+       const efx_phy_ops_t *epop = epp->ep_epop;
+       efx_loopback_type_t old_loopback_type;
+       efx_link_mode_t old_loopback_link_mode;
+       efx_rc_t rc;
+
+       /* The PHY object handles this on EF10 */
+       old_loopback_type = epp->ep_loopback_type;
+       old_loopback_link_mode = epp->ep_loopback_link_mode;
+       epp->ep_loopback_type = loopback_type;
+       epp->ep_loopback_link_mode = link_mode;
+
+       if ((rc = epop->epo_reconfigure(enp)) != 0)
+               goto fail1;
+
+       return (0);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       epp->ep_loopback_type = old_loopback_type;
+       epp->ep_loopback_link_mode = old_loopback_link_mode;
+
+       return (rc);
+}
+
+#endif /* EFSYS_OPT_LOOPBACK */
+
 #if EFSYS_OPT_MAC_STATS
 
        __checkReturn                   efx_rc_t