+ pi->port_id, pi->link_cfg.mod_type);
+}
+
+void t4_os_link_changed(struct adapter *adap, int port_id)
+{
+ struct port_info *pi = adap2pinfo(adap, port_id);
+
+ /* If link status has not changed or if firmware doesn't
+ * support enabling/disabling VI's Rx path during runtime,
+ * then return.
+ */
+ if (adap->params.vi_enable_rx == 0 ||
+ pi->vi_en_rx == pi->link_cfg.link_ok)
+ return;
+
+ /* Don't enable VI Rx path, if link has been administratively
+ * turned off.
+ */
+ if (pi->vi_en_tx == 0 && pi->vi_en_rx == 0)
+ return;
+
+ /* When link goes down, disable the port's Rx path to drop
+ * Rx traffic closer to the wire, instead of processing it
+ * further in the Rx pipeline. The Rx path will be re-enabled
+ * once the link up message comes in firmware event queue.
+ */
+ pi->vi_en_rx = pi->link_cfg.link_ok;
+ t4_enable_vi(adap, adap->mbox, pi->viid, pi->vi_en_rx, pi->vi_en_tx);