net/l2tp/l2tp_debugfs.c

43 static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd)
46 	if (pd->tunnel)
47 		l2tp_tunnel_dec_refcount(pd->tunnel);
49 	pd->tunnel = l2tp_tunnel_get_nth(pd->net, pd->tunnel_idx);
50 	pd->tunnel_idx++;
53 static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd)
56 	if (pd->session)
57 		l2tp_session_dec_refcount(pd->session);
59 	pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx);
60 	pd->session_idx++;
62 	if (!pd->session) {
63 		pd->session_idx = 0;
64 		l2tp_dfs_next_tunnel(pd);
70 	struct l2tp_dfs_seq_data *pd = SEQ_START_TOKEN;
77 		pd = NULL;
80 	pd = m->private;
82 	if (!pd->tunnel)
83 		l2tp_dfs_next_tunnel(pd);
85 		l2tp_dfs_next_session(pd);
88 	if (!pd->tunnel && !pd->session)
89 		pd = NULL;
92 	return pd;
103 	struct l2tp_dfs_seq_data *pd = v;
105 	if (!pd || pd == SEQ_START_TOKEN)
111 	if (pd->session) {
112 		l2tp_session_dec_refcount(pd->session);
113 		pd->session = NULL;
115 	if (pd->tunnel) {
116 		l2tp_tunnel_dec_refcount(pd->tunnel);
117 		pd->tunnel = NULL;
233 	struct l2tp_dfs_seq_data *pd = v;
251 	if (!pd->session)
252 		l2tp_dfs_seq_tunnel_show(m, pd->tunnel);
254 		l2tp_dfs_seq_session_show(m, pd->session);
269 	struct l2tp_dfs_seq_data *pd;
273 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
274 	if (!pd)
280 	pd->net = get_net_ns_by_pid(current->pid);
281 	if (IS_ERR(pd->net)) {
282 		rc = PTR_ERR(pd->net);
285 	netns_tracker_alloc(pd->net, &pd->ns_tracker, GFP_KERNEL);
291 	seq->private = pd;
297 	put_net_track(pd->net, &pd->ns_tracker);
299 	kfree(pd);
305 	struct l2tp_dfs_seq_data *pd;
309 	pd = seq->private;
310 	if (pd->net)
311 		put_net_track(pd->net, &pd->ns_tracker);
312 	kfree(pd);