--- zzzz-none-000/linux-4.1.52/include/linux/igmp.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/igmp.h	2022-03-02 11:37:13.000000000 +0000
@@ -80,6 +80,9 @@
 	unsigned int		sfmode;
 	struct ip_sf_list	*sources;
 	struct ip_sf_list	*tomb;
+#if defined(CONFIG_BCM_KF_MCAST_GR_SUPPRESSION)
+	unsigned int		osfmode;
+#endif
 	unsigned long		sfcount[2];
 	union {
 		struct ip_mc_list *next;