xref: /linux/net/batman-adv/gateway_client.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
3  *
4  * Marek Lindner
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of version 2 of the GNU General Public
8  * License as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
20 #define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
21 
22 #include "main.h"
23 
24 #include <linux/types.h>
25 
26 struct batadv_tvlv_gateway_data;
27 struct netlink_callback;
28 struct seq_file;
29 struct sk_buff;
30 
31 void batadv_gw_check_client_stop(struct batadv_priv *bat_priv);
32 void batadv_gw_reselect(struct batadv_priv *bat_priv);
33 void batadv_gw_election(struct batadv_priv *bat_priv);
34 struct batadv_orig_node *
35 batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
36 void batadv_gw_check_election(struct batadv_priv *bat_priv,
37 			      struct batadv_orig_node *orig_node);
38 void batadv_gw_node_update(struct batadv_priv *bat_priv,
39 			   struct batadv_orig_node *orig_node,
40 			   struct batadv_tvlv_gateway_data *gateway);
41 void batadv_gw_node_delete(struct batadv_priv *bat_priv,
42 			   struct batadv_orig_node *orig_node);
43 void batadv_gw_node_free(struct batadv_priv *bat_priv);
44 void batadv_gw_node_put(struct batadv_gw_node *gw_node);
45 struct batadv_gw_node *
46 batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
47 int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
48 int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
49 bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
50 enum batadv_dhcp_recipient
51 batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
52 			     u8 *chaddr);
53 struct batadv_gw_node *batadv_gw_node_get(struct batadv_priv *bat_priv,
54 					  struct batadv_orig_node *orig_node);
55 
56 #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
57