external/routing/bmx7/patches/020-siocgstamp.patch

--- a/src/schedule.c
+++ b/src/schedule.c
@@ -375,7 +375,9 @@ loop4Event:
 					continue;
 				}
 
+#ifdef SIOCGSTAMP
 				ioctl(pb.i.iif->rx_mcast_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
+#endif
 
 				rx_packet(&pb);
 
@@ -401,7 +403,9 @@ loop4Event:
 					continue;
 				}
 
+#ifdef SIOCGSTAMP
 				ioctl(pb.i.iif->rx_fullbrc_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
+#endif
 
 				rx_packet(&pb);
 
@@ -451,10 +455,15 @@ loop4Event:
 					}
 				}
 #endif
+#ifdef SIOCGSTAMP
 				if (tv_stamp == NULL)
 					ioctl(pb.i.iif->unicast_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
 				else
 					timercpy(&(pb.i.tv_stamp), tv_stamp);
+#else
+				if (tv_stamp)
+					timercpy(&(pb.i.tv_stamp), tv_stamp);
+#endif
 
 				rx_packet(&pb);