1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (C) B.A.T.M.A.N. contributors:
3 *
4 * Marek Lindner
5 */
6
7#ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
8#define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
9
10#include "main.h"
11
12#include <linux/kref.h>
13#include <linux/netlink.h>
14#include <linux/skbuff.h>
15#include <linux/types.h>
16#include <uapi/linux/batadv_packet.h>
17
18void batadv_gw_check_client_stop(struct batadv_priv *bat_priv);
19void batadv_gw_reselect(struct batadv_priv *bat_priv);
20void batadv_gw_election(struct batadv_priv *bat_priv);
21struct batadv_orig_node *
22batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
23void batadv_gw_check_election(struct batadv_priv *bat_priv,
24 struct batadv_orig_node *orig_node);
25void batadv_gw_node_update(struct batadv_priv *bat_priv,
26 struct batadv_orig_node *orig_node,
27 struct batadv_tvlv_gateway_data *gateway);
28void batadv_gw_node_delete(struct batadv_priv *bat_priv,
29 struct batadv_orig_node *orig_node);
30void batadv_gw_node_free(struct batadv_priv *bat_priv);
31void batadv_gw_node_release(struct kref *ref);
32struct batadv_gw_node *
33batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
34int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
35bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
36enum batadv_dhcp_recipient
37batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
38 u8 *chaddr);
39struct batadv_gw_node *batadv_gw_node_get(struct batadv_priv *bat_priv,
40 struct batadv_orig_node *orig_node);
41
42/**
43 * batadv_gw_node_put() - decrement the gw_node refcounter and possibly release
44 * it
45 * @gw_node: gateway node to free
46 */
47static inline void batadv_gw_node_put(struct batadv_gw_node *gw_node)
48{
49 if (!gw_node)
50 return;
51
52 kref_put(kref: &gw_node->refcount, release: batadv_gw_node_release);
53}
54
55#endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
56

source code of linux/net/batman-adv/gateway_client.h