48 static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd)  in l2tp_dfs_next_tunnel()  argument
50 	pd->tunnel = l2tp_tunnel_find_nth(pd->net, pd->tunnel_idx);  in l2tp_dfs_next_tunnel()
51 	pd->tunnel_idx++;  in l2tp_dfs_next_tunnel()
54 static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd)  in l2tp_dfs_next_session()  argument
56 	pd->session = l2tp_session_find_nth(pd->tunnel, pd->session_idx);  in l2tp_dfs_next_session()
57 	pd->session_idx++;  in l2tp_dfs_next_session()
59 	if (pd->session == NULL) {  in l2tp_dfs_next_session()
60 		pd->session_idx = 0;  in l2tp_dfs_next_session()
61 		l2tp_dfs_next_tunnel(pd);  in l2tp_dfs_next_session()
68 	struct l2tp_dfs_seq_data *pd = SEQ_START_TOKEN;  in l2tp_dfs_seq_start()  local
75 	pd = m->private;  in l2tp_dfs_seq_start()
77 	if (pd->tunnel == NULL)  in l2tp_dfs_seq_start()
78 		l2tp_dfs_next_tunnel(pd);  in l2tp_dfs_seq_start()
80 		l2tp_dfs_next_session(pd);  in l2tp_dfs_seq_start()
83 	if ((pd->tunnel == NULL) && (pd->session == NULL))  in l2tp_dfs_seq_start()
84 		pd = NULL;  in l2tp_dfs_seq_start()
87 	return pd;  in l2tp_dfs_seq_start()
222 	struct l2tp_dfs_seq_data *pd = v;  in l2tp_dfs_seq_show()  local
241 	if (pd->session == NULL)  in l2tp_dfs_seq_show()
242 		l2tp_dfs_seq_tunnel_show(m, pd->tunnel);  in l2tp_dfs_seq_show()
244 		l2tp_dfs_seq_session_show(m, pd->session);  in l2tp_dfs_seq_show()
259 	struct l2tp_dfs_seq_data *pd;  in l2tp_dfs_seq_open()  local
263 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);  in l2tp_dfs_seq_open()
264 	if (pd == NULL)  in l2tp_dfs_seq_open()
270 	pd->net = get_net_ns_by_pid(current->pid);  in l2tp_dfs_seq_open()
271 	if (IS_ERR(pd->net)) {  in l2tp_dfs_seq_open()
272 		rc = PTR_ERR(pd->net);  in l2tp_dfs_seq_open()
281 	seq->private = pd;  in l2tp_dfs_seq_open()
287 	put_net(pd->net);  in l2tp_dfs_seq_open()
289 	kfree(pd);  in l2tp_dfs_seq_open()
295 	struct l2tp_dfs_seq_data *pd;  in l2tp_dfs_seq_release()  local
299 	pd = seq->private;  in l2tp_dfs_seq_release()
300 	if (pd->net)  in l2tp_dfs_seq_release()
301 		put_net(pd->net);  in l2tp_dfs_seq_release()
302 	kfree(pd);  in l2tp_dfs_seq_release()