208 struct mfc {  struct
209     struct in_addr	mfc_origin;	/* ip origin of mcasts	*/  argument
210     struct in_addr  	mfc_mcastgrp;	/* multicast group associated */  argument
211     vifi_t		mfc_parent;	/* incoming vif	*/  argument
212     uchar_t		mfc_ttls[MAXVIFS];	/* forwarding ttls on vifs    */  argument
213     uint_t		mfc_pkt_cnt;	/* pkt count for src-grp	*/  argument
214     uint_t		mfc_byte_cnt;	/* byte count for src-grp	*/  argument
215     uint_t		mfc_wrong_if;	/* wrong if for src-grp	*/  argument
216     struct timespec  	mfc_last_assert;	/* last time I sent an assert */  argument
217     struct rtdetq	*mfc_rte;	/* pending upcall	*/  argument
218     timeout_id_t	mfc_timeout_id;	/* qtimeout return id	*/  argument
219     struct mfc		*mfc_next;  argument
220     uchar_t 		mfc_marks;  argument
221     kmutex_t		mfc_mutex;	/* protects fields and rte list */  argument