154 	struct tcp_log_dev_info *priv;  in tcp_log_dev_clear_cdevpriv()  local
157 	priv = (struct tcp_log_dev_info *)data;  in tcp_log_dev_clear_cdevpriv()
158 	if (priv == NULL)  in tcp_log_dev_clear_cdevpriv()
170 	if (priv->tldi_head != NULL) {  in tcp_log_dev_clear_cdevpriv()
171 		entry = priv->tldi_head;  in tcp_log_dev_clear_cdevpriv()
180 	STAILQ_REMOVE(&tcp_log_dev_reader_head, priv, tcp_log_dev_info,  in tcp_log_dev_clear_cdevpriv()
184 	free(priv, M_TCPLOGDEV);  in tcp_log_dev_clear_cdevpriv()
191 	struct tcp_log_dev_info *priv;  in tcp_log_dev_open()  local
203 	priv = malloc(sizeof(struct tcp_log_dev_info), M_TCPLOGDEV,  in tcp_log_dev_open()
207 	rv = devfs_set_cdevpriv((void *)priv, tcp_log_dev_clear_cdevpriv);  in tcp_log_dev_open()
215 		STAILQ_INSERT_HEAD(&tcp_log_dev_reader_head, priv, tldi_list);  in tcp_log_dev_open()
216 		priv->tldi_head = STAILQ_FIRST(&tcp_log_dev_queue_head);  in tcp_log_dev_open()
217 		if (priv->tldi_head != NULL)  in tcp_log_dev_open()
218 			priv->tldi_cur = priv->tldi_head->tldq_buf;  in tcp_log_dev_open()
224 		free(priv, M_TCPLOGDEV);  in tcp_log_dev_open()
238 tcp_log_dev_rotate_bufs(struct tcp_log_dev_info *priv, int *lockstate)  in tcp_log_dev_rotate_bufs()  argument
242 	KASSERT(priv->tldi_head != NULL,  in tcp_log_dev_rotate_bufs()
245 	KASSERT(priv->tldi_head->tldq_buf == priv->tldi_cur,  in tcp_log_dev_rotate_bufs()
247 	    __func__, __LINE__, priv->tldi_head->tldq_buf,  in tcp_log_dev_rotate_bufs()
248 	    priv->tldi_cur));  in tcp_log_dev_rotate_bufs()
255 	entry = priv->tldi_head;  in tcp_log_dev_rotate_bufs()
256 	priv->tldi_head = STAILQ_NEXT(entry, tldq_queue);  in tcp_log_dev_rotate_bufs()
258 	priv->tldi_cur = NULL;  in tcp_log_dev_rotate_bufs()
265 	struct tcp_log_dev_info *priv;  in tcp_log_dev_read()  local
271 	rv = devfs_get_cdevpriv((void **)&priv);  in tcp_log_dev_read()
278 	while (priv->tldi_cur == NULL ||  in tcp_log_dev_read()
279 	    priv->tldi_cur->tlch_length <= priv->tldi_off) {  in tcp_log_dev_read()
281 		KASSERT(priv->tldi_cur == NULL,  in tcp_log_dev_read()
284 		if (priv->tldi_cur != NULL)  in tcp_log_dev_read()
285 			tcp_log_dev_rotate_bufs(priv, &lockstate);  in tcp_log_dev_read()
297 		if (priv->tldi_head == NULL && (flags & FNONBLOCK)) {  in tcp_log_dev_read()
301 		if (priv->tldi_head == NULL) {  in tcp_log_dev_read()
307 			if (priv->tldi_head == NULL)  in tcp_log_dev_read()
315 		entry = priv->tldi_head;  in tcp_log_dev_read()
326 		priv->tldi_cur = entry->tldq_buf;  in tcp_log_dev_read()
327 		priv->tldi_off = 0;  in tcp_log_dev_read()
337 		KASSERT(priv->tldi_cur != NULL,  in tcp_log_dev_read()
341 		len = priv->tldi_cur->tlch_length - priv->tldi_off;  in tcp_log_dev_read()
344 		rv = uiomove(((uint8_t *)priv->tldi_cur) + priv->tldi_off,  in tcp_log_dev_read()
348 		priv->tldi_off += len;  in tcp_log_dev_read()
354 	if (priv->tldi_off >= priv->tldi_cur->tlch_length) {  in tcp_log_dev_read()
355 		KASSERT(priv->tldi_off == priv->tldi_cur->tlch_length,  in tcp_log_dev_read()
357 		    (uintmax_t)priv->tldi_off,  in tcp_log_dev_read()
358 		    (uintmax_t)priv->tldi_cur->tlch_length));  in tcp_log_dev_read()
359 		tcp_log_dev_rotate_bufs(priv, &lockstate);  in tcp_log_dev_read()
372 	struct tcp_log_dev_info *priv;  in tcp_log_dev_ioctl()  local
376 	rv = devfs_get_cdevpriv((void **)&priv);  in tcp_log_dev_ioctl()
401 	struct tcp_log_dev_info *priv;  in tcp_log_dev_poll()  local
409 	if (devfs_get_cdevpriv((void **)&priv))  in tcp_log_dev_poll()
421 		if ((priv->tldi_head != NULL && priv->tldi_cur == NULL) ||  in tcp_log_dev_poll()
422 		    (priv->tldi_cur != NULL &&  in tcp_log_dev_poll()
423 		    priv->tldi_off < priv->tldi_cur->tlch_length))  in tcp_log_dev_poll()
442 	struct tcp_log_dev_info *priv;  in tcp_log_dev_add_log()  local
472 	STAILQ_FOREACH(priv, &tcp_log_dev_reader_head, tldi_list)  in tcp_log_dev_add_log()
473 		if (priv->tldi_head == NULL) {  in tcp_log_dev_add_log()
474 			priv->tldi_head = entry;  in tcp_log_dev_add_log()