--- zzzz-none-000/linux-4.1.52/include/net/if_inet6.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/net/if_inet6.h	2022-03-02 11:37:13.000000000 +0000
@@ -120,6 +120,9 @@
 	struct ip6_sf_list	*mca_sources;
 	struct ip6_sf_list	*mca_tomb;
 	unsigned int		mca_sfmode;
+#if defined(CONFIG_BCM_KF_MCAST_GR_SUPPRESSION)
+	unsigned int		mca_osfmode;
+#endif
 	unsigned char		mca_crcount;
 	unsigned long		mca_sfcount[2];
 	struct timer_list	mca_timer;
@@ -222,7 +225,9 @@
 	memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
 }
 
-static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
+static inline void ipv6_arcnet_mc_map(
+				const struct in6_addr *addr __maybe_unused,
+				char *buf __maybe_unused)
 {
 	buf[0] = 0x00;
 }