423 struct netmap_kring {  struct
424 	struct netmap_ring	*ring;
426 	uint32_t	nr_hwcur;  /* should be nr_hwhead */
427 	uint32_t	nr_hwtail;
434 	uint32_t	rhead;
435 	uint32_t	rcur;
436 	uint32_t	rtail;
438 	uint32_t	nr_kflags;	/* private driver flags */
451 	uint32_t	nr_mode;
452 	uint32_t	nr_pending_mode;
456 	uint32_t	nkr_num_slots;
463 	int32_t		nkr_hwofs;
469 	uint64_t	last_reclaim;
472 	NM_SELINFO_T	si;		/* poll/select wait queue */
473 	NM_LOCK_T	q_lock;		/* protects kring and ring. */
474 	NM_ATOMIC_T	nr_busy;	/* prevent concurrent syscalls */
477 	struct netmap_adapter *na;
483 	struct netmap_adapter *notify_na;
486 	struct nm_bdg_fwd *nkr_ft;
487 	uint32_t	*nkr_leases;
489 	uint32_t	nkr_hwlease;
490 	uint32_t	nkr_lease_idx;
518 	 * The default nm_kring_create callback (netmap_krings_create)  argument
528 	int (*nm_sync)(struct netmap_kring *kring, int flags);  argument
529 	int (*nm_notify)(struct netmap_kring *kring, int flags);  argument
532 	struct netmap_kring *pipe;	/* if this is a pipe ring,  argument
538 	int (*save_notify)(struct netmap_kring *kring, int flags);  argument
542 	struct netmap_kring **monitors;  argument
556 	int (*mon_sync)(struct netmap_kring *kring, int flags);  argument
557 	int (*mon_notify)(struct netmap_kring *kring, int flags);  argument