1 files changed, 21 insertions, 0 deletions

diff --git a/sys/dev/ixgbe/if_ixv.c b/sys/dev/ixgbe/if_ixv.c
index 1345268ded55e..7b8c7f169a7e5 100644
--- a/sys/dev/ixgbe/if_ixv.c
+++ b/sys/dev/ixgbe/if_ixv.c
@@ -110,6 +110,7 @@ static void     ixv_if_register_vlan(if_ctx_t, u16);
 static void     ixv_if_unregister_vlan(if_ctx_t, u16);
 
 static uint64_t ixv_if_get_counter(if_ctx_t, ift_counter);
+static bool	ixv_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 static void     ixv_save_stats(struct adapter *);
 static void     ixv_init_stats(struct adapter *);
@@ -172,6 +173,7 @@ static device_method_t ixv_if_methods[] = {
 	DEVMETHOD(ifdi_vlan_register, ixv_if_register_vlan),
 	DEVMETHOD(ifdi_vlan_unregister, ixv_if_unregister_vlan),
 	DEVMETHOD(ifdi_get_counter, ixv_if_get_counter),
+	DEVMETHOD(ifdi_needs_restart, ixv_if_needs_restart),
 	DEVMETHOD_END
 };
 
@@ -1187,6 +1189,25 @@ ixv_if_get_counter(if_ctx_t ctx, ift_counter cnt)
 	}
 } /* ixv_if_get_counter */
 
+/* ixv_if_needs_restart - Tell iflib when the driver needs to be reinitialized
+ * @ctx: iflib context
+ * @event: event code to check
+ *
+ * Defaults to returning true for every event.
+ *
+ * @returns true if iflib needs to reinit the interface
+ */
+static bool
+ixv_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+		/* XXX: This may not need to return true */
+	default:
+		return (true);
+	}
+}
+
 /************************************************************************
  * ixv_initialize_transmit_units - Enable transmit unit.
  ************************************************************************/