Function krping_read

freebsd/contrib/rdma/krping/krping_dev.c:128–166

}

static int
krping_read(struct cdev *dev, struct uio *uio, int ioflag)
{
	int num = 1;
	struct stats_list list;
	struct stats_list_entry *e;

	STAILQ_INIT(&list);
	krping_walk_cb_list(krping_copy_stats, &list);

	if (STAILQ_EMPTY(&list))
		return (0);

	uprintf("krping: %4s %10s %10s %10s %10s %10s %10s %10s %10s %10s\n",
	    "num", "device", "snd bytes", "snd msgs", "rcv bytes", "rcv msgs",
	    "wr bytes", "wr msgs", "rd bytes", "rd msgs");

	while (!STAILQ_EMPTY(&list)) {
		e = STAILQ_FIRST(&list);
		STAILQ_REMOVE_HEAD(&list, link);
		if (e->stats == NULL)
			uprintf("krping: %d listen\n", num);
		else {
			struct krping_stats *stats = e->stats;

			uprintf("krping: %4d %10s %10llu %10llu %10llu %10llu "
			    "%10llu %10llu %10llu %10llu\n", num, stats->name,
			    stats->send_bytes, stats->send_msgs,
			    stats->recv_bytes, stats->recv_msgs,
			    stats->write_bytes, stats->write_msgs,
			    stats->read_bytes, stats->read_msgs);
			free(stats, M_DEVBUF);
		}
		num++;
		free(e, M_DEVBUF);
	}

	return (0);
}

static int
krping_write(struct cdev *dev, struct uio *uio, int ioflag)