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xjb04a4022021-11-25 15:01:52 +08001/* 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
26struct batadv_tvlv_gateway_data;
27struct netlink_callback;
28struct seq_file;
29struct sk_buff;
30
31void batadv_gw_check_client_stop(struct batadv_priv *bat_priv);
32void batadv_gw_reselect(struct batadv_priv *bat_priv);
33void batadv_gw_election(struct batadv_priv *bat_priv);
34struct batadv_orig_node *
35batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
36void batadv_gw_check_election(struct batadv_priv *bat_priv,
37 struct batadv_orig_node *orig_node);
38void batadv_gw_node_update(struct batadv_priv *bat_priv,
39 struct batadv_orig_node *orig_node,
40 struct batadv_tvlv_gateway_data *gateway);
41void batadv_gw_node_delete(struct batadv_priv *bat_priv,
42 struct batadv_orig_node *orig_node);
43void batadv_gw_node_free(struct batadv_priv *bat_priv);
44void batadv_gw_node_put(struct batadv_gw_node *gw_node);
45struct batadv_gw_node *
46batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
47int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
48int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
49bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
50enum batadv_dhcp_recipient
51batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
52 u8 *chaddr);
53struct 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_ */