wrc_main: call ipv4_poll at link-down event, so it knows

This is needed for the syslog code to know about link up and down
events, to report a link-up with the delay since last link-down.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

wrc_main.c

@@ -179,6 +179,12 @@ int main(void)
 		}
 
 		switch (l_status) {
+		case LINK_WENT_DOWN:
+			if (wrc_ptp_get_mode() == WRC_MODE_SLAVE) {
+				spll_init(SPLL_MODE_FREE_RUNNING_MASTER, 0, 1);
+				shw_pps_gen_enable_output(0);
+			}
+			/* fall through */
 		case LINK_WENT_UP:
 		case LINK_UP:
 			update_rx_queues();
@@ -187,13 +193,6 @@ int main(void)
 				arp_poll();
 			}
 			break;
-
-		case LINK_WENT_DOWN:
-			if (wrc_ptp_get_mode() == WRC_MODE_SLAVE) {
-				spll_init(SPLL_MODE_FREE_RUNNING_MASTER, 0, 1);
-				shw_pps_gen_enable_output(0);
-			}
-			break;
 		}
 
 		ui_update();