+/**
+ * ixgbevf_update_xcast_mode - Update Multicast mode
+ * @hw: pointer to the HW structure
+ * @xcast_mode: new multicast mode
+ *
+ * Updates the Multicast Mode of VF.
+ **/
+s32 ixgbevf_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode)
+{
+ u32 msgbuf[2];
+ s32 err;
+
+ switch (hw->api_version) {
+ case ixgbe_mbox_api_12:
+ /* New modes were introduced in 1.3 version */
+ if (xcast_mode > IXGBEVF_XCAST_MODE_ALLMULTI)
+ return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ /* Fall through */
+ case ixgbe_mbox_api_13:
+ break;
+ default:
+ return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ }
+
+ msgbuf[0] = IXGBE_VF_UPDATE_XCAST_MODE;
+ msgbuf[1] = xcast_mode;
+
+ err = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2);
+ if (err)
+ return err;
+
+ msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
+ if (msgbuf[0] == (IXGBE_VF_UPDATE_XCAST_MODE | IXGBE_VT_MSGTYPE_NACK))
+ return IXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ return IXGBE_SUCCESS;
+}
+