410 struct netmap_kring {  struct
411 	struct netmap_ring	*ring;
413 	uint32_t	nr_hwcur;  /* should be nr_hwhead */
414 	uint32_t	nr_hwtail;
421 	uint32_t	rhead;
422 	uint32_t	rcur;
423 	uint32_t	rtail;
425 	uint32_t	nr_kflags;	/* private driver flags */
438 	uint32_t	nr_mode;
439 	uint32_t	nr_pending_mode;
443 	uint32_t	nkr_num_slots;
457 	int32_t		nkr_hwofs;
458 	int32_t		nkr_to_refill;
464 	uint64_t	last_reclaim;
467 	NM_SELINFO_T	si;		/* poll/select wait queue */
468 	NM_LOCK_T	q_lock;		/* protects kring and ring. */
469 	NM_ATOMIC_T	nr_busy;	/* prevent concurrent syscalls */
472 	struct netmap_adapter *na;
478 	struct netmap_adapter *notify_na;
481 	struct nm_bdg_fwd *nkr_ft;
482 	uint32_t	*nkr_leases;
484 	uint32_t	nkr_hwlease;
485 	uint32_t	nkr_lease_idx;
516 	 * The default nm_kring_create callback (netmap_krings_create)  argument
526 	int (*nm_sync)(struct netmap_kring *kring, int flags);  argument
527 	int (*nm_notify)(struct netmap_kring *kring, int flags);  argument
530 	struct netmap_kring *pipe;	/* if this is a pipe ring,  argument
533 	uint32_t pipe_tail;		/* hwtail updated by the other end */
537 	uint64_t offset_mask;
564 	int (*nm_bufcfg)(struct netmap_kring *kring, uint64_t target);  argument
566 	int (*save_notify)(struct netmap_kring *kring, int flags);  argument
570 	struct netmap_kring **monitors;  argument
584 	int (*mon_sync)(struct netmap_kring *kring, int flags);  argument
585 	int (*mon_notify)(struct netmap_kring *kring, int flags);  argument