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 18 void batadv_gw_check_client_stop(struct batadv_priv *bat_priv); 19 void batadv_gw_reselect(struct batadv_priv *bat_priv); 20 void batadv_gw_election(struct batadv_priv *bat_priv); 21 struct batadv_orig_node * 22 batadv_gw_get_selected_orig(struct batadv_priv *bat_priv); 23 void batadv_gw_check_election(struct batadv_priv *bat_priv, 24 struct batadv_orig_node *orig_node); 25 void batadv_gw_node_update(struct batadv_priv *bat_priv, 26 struct batadv_orig_node *orig_node, 27 struct batadv_tvlv_gateway_data *gateway); 28 void batadv_gw_node_delete(struct batadv_priv *bat_priv, 29 struct batadv_orig_node *orig_node); 30 void batadv_gw_node_free(struct batadv_priv *bat_priv); 31 void batadv_gw_node_release(struct kref *ref); 32 struct batadv_gw_node * 33 batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv); 34 int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb); 35 bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); 36 enum batadv_dhcp_recipient 37 batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len, 38 u8 *chaddr); 39 struct 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 */ 47 static inline void batadv_gw_node_put(struct batadv_gw_node *gw_node) 48 { 49 if (!gw_node) 50 return; 51 52 kref_put(&gw_node->refcount, batadv_gw_node_release); 53 } 54 55 #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ 56