155 	struct tcp_log_dev_info *priv;  in tcp_log_dev_clear_cdevpriv()  local
158 	priv = (struct tcp_log_dev_info *)data;  in tcp_log_dev_clear_cdevpriv()
159 	if (priv == NULL)  in tcp_log_dev_clear_cdevpriv()
171 	if (priv->tldi_head != NULL) {  in tcp_log_dev_clear_cdevpriv()
172 		entry = priv->tldi_head;  in tcp_log_dev_clear_cdevpriv()
181 	STAILQ_REMOVE(&tcp_log_dev_reader_head, priv, tcp_log_dev_info,  in tcp_log_dev_clear_cdevpriv()
185 	free(priv, M_TCPLOGDEV);  in tcp_log_dev_clear_cdevpriv()
192 	struct tcp_log_dev_info *priv;  in tcp_log_dev_open()  local
204 	priv = malloc(sizeof(struct tcp_log_dev_info), M_TCPLOGDEV,  in tcp_log_dev_open()
208 	rv = devfs_set_cdevpriv((void *)priv, tcp_log_dev_clear_cdevpriv);  in tcp_log_dev_open()
216 		STAILQ_INSERT_HEAD(&tcp_log_dev_reader_head, priv, tldi_list);  in tcp_log_dev_open()
217 		priv->tldi_head = STAILQ_FIRST(&tcp_log_dev_queue_head);  in tcp_log_dev_open()
218 		if (priv->tldi_head != NULL)  in tcp_log_dev_open()
219 			priv->tldi_cur = priv->tldi_head->tldq_buf;  in tcp_log_dev_open()
225 		free(priv, M_TCPLOGDEV);  in tcp_log_dev_open()
239 tcp_log_dev_rotate_bufs(struct tcp_log_dev_info *priv, int *lockstate)  in tcp_log_dev_rotate_bufs()  argument
243 	KASSERT(priv->tldi_head != NULL,  in tcp_log_dev_rotate_bufs()
246 	KASSERT(priv->tldi_head->tldq_buf == priv->tldi_cur,  in tcp_log_dev_rotate_bufs()
248 	    __func__, __LINE__, priv->tldi_head->tldq_buf,  in tcp_log_dev_rotate_bufs()
249 	    priv->tldi_cur));  in tcp_log_dev_rotate_bufs()
256 	entry = priv->tldi_head;  in tcp_log_dev_rotate_bufs()
257 	priv->tldi_head = STAILQ_NEXT(entry, tldq_queue);  in tcp_log_dev_rotate_bufs()
259 	priv->tldi_cur = NULL;  in tcp_log_dev_rotate_bufs()
266 	struct tcp_log_dev_info *priv;  in tcp_log_dev_read()  local
272 	rv = devfs_get_cdevpriv((void **)&priv);  in tcp_log_dev_read()
279 	while (priv->tldi_cur == NULL ||  in tcp_log_dev_read()
280 	    priv->tldi_cur->tlch_length <= priv->tldi_off) {  in tcp_log_dev_read()
282 		KASSERT(priv->tldi_cur == NULL,  in tcp_log_dev_read()
285 		if (priv->tldi_cur != NULL)  in tcp_log_dev_read()
286 			tcp_log_dev_rotate_bufs(priv, &lockstate);  in tcp_log_dev_read()
298 		if (priv->tldi_head == NULL && (flags & FNONBLOCK)) {  in tcp_log_dev_read()
302 		if (priv->tldi_head == NULL) {  in tcp_log_dev_read()
308 			if (priv->tldi_head == NULL)  in tcp_log_dev_read()
316 		entry = priv->tldi_head;  in tcp_log_dev_read()
327 		priv->tldi_cur = entry->tldq_buf;  in tcp_log_dev_read()
328 		priv->tldi_off = 0;  in tcp_log_dev_read()
338 		KASSERT(priv->tldi_cur != NULL,  in tcp_log_dev_read()
342 		len = priv->tldi_cur->tlch_length - priv->tldi_off;  in tcp_log_dev_read()
345 		rv = uiomove(((uint8_t *)priv->tldi_cur) + priv->tldi_off,  in tcp_log_dev_read()
349 		priv->tldi_off += len;  in tcp_log_dev_read()
355 	if (priv->tldi_off >= priv->tldi_cur->tlch_length) {  in tcp_log_dev_read()
356 		KASSERT(priv->tldi_off == priv->tldi_cur->tlch_length,  in tcp_log_dev_read()
358 		    (uintmax_t)priv->tldi_off,  in tcp_log_dev_read()
359 		    (uintmax_t)priv->tldi_cur->tlch_length));  in tcp_log_dev_read()
360 		tcp_log_dev_rotate_bufs(priv, &lockstate);  in tcp_log_dev_read()
373 	struct tcp_log_dev_info *priv;  in tcp_log_dev_ioctl()  local
377 	rv = devfs_get_cdevpriv((void **)&priv);  in tcp_log_dev_ioctl()
402 	struct tcp_log_dev_info *priv;  in tcp_log_dev_poll()  local
410 	if (devfs_get_cdevpriv((void **)&priv))  in tcp_log_dev_poll()
422 		if ((priv->tldi_head != NULL && priv->tldi_cur == NULL) ||  in tcp_log_dev_poll()
423 		    (priv->tldi_cur != NULL &&  in tcp_log_dev_poll()
424 		    priv->tldi_off < priv->tldi_cur->tlch_length))  in tcp_log_dev_poll()
443 	struct tcp_log_dev_info *priv;  in tcp_log_dev_add_log()  local
473 	STAILQ_FOREACH(priv, &tcp_log_dev_reader_head, tldi_list)  in tcp_log_dev_add_log()
474 		if (priv->tldi_head == NULL) {  in tcp_log_dev_add_log()
475 			priv->tldi_head = entry;  in tcp_log_dev_add_log()