424 struct netmap_kring {  struct
425 	struct netmap_ring	*ring;
427 	uint32_t	nr_hwcur;  /* should be nr_hwhead */
428 	uint32_t	nr_hwtail;
435 	uint32_t	rhead;
436 	uint32_t	rcur;
437 	uint32_t	rtail;
439 	uint32_t	nr_kflags;	/* private driver flags */
452 	uint32_t	nr_mode;
453 	uint32_t	nr_pending_mode;
457 	uint32_t	nkr_num_slots;
464 	int32_t		nkr_hwofs;
470 	uint64_t	last_reclaim;
473 	NM_SELINFO_T	si;		/* poll/select wait queue */
474 	NM_LOCK_T	q_lock;		/* protects kring and ring. */
475 	NM_ATOMIC_T	nr_busy;	/* prevent concurrent syscalls */
478 	struct netmap_adapter *na;
484 	struct netmap_adapter *notify_na;
487 	struct nm_bdg_fwd *nkr_ft;
488 	uint32_t	*nkr_leases;
490 	uint32_t	nkr_hwlease;
491 	uint32_t	nkr_lease_idx;
519 	 * The default nm_kring_create callback (netmap_krings_create)  argument
529 	int (*nm_sync)(struct netmap_kring *kring, int flags);  argument
530 	int (*nm_notify)(struct netmap_kring *kring, int flags);  argument
533 	struct netmap_kring *pipe;	/* if this is a pipe ring,  argument
539 	int (*save_notify)(struct netmap_kring *kring, int flags);  argument
543 	struct netmap_kring **monitors;  argument
557 	int (*mon_sync)(struct netmap_kring *kring, int flags);  argument
558 	int (*mon_notify)(struct netmap_kring *kring, int flags);  argument