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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/net/batman-adv/routing.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/* Copyright (C) B.A.T.M.A.N. contributors:

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 *

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 * Marek Lindner, Simon Wunderlich

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 */

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#ifndef _NET_BATMAN_ADV_ROUTING_H_

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#define _NET_BATMAN_ADV_ROUTING_H_

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#include "main.h"

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#include <linux/skbuff.h>

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#include <linux/types.h>

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bool batadv_check_management_packet(struct sk_buff *skb,

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				    struct batadv_hard_iface *hard_iface,

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				    int header_len);

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void batadv_update_route(struct batadv_priv *bat_priv,

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			 struct batadv_orig_node *orig_node,

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			 struct batadv_hard_iface *recv_if,

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			 struct batadv_neigh_node *neigh_node);

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int batadv_recv_icmp_packet(struct sk_buff *skb,

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			    struct batadv_hard_iface *recv_if);

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int batadv_recv_unicast_packet(struct sk_buff *skb,

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			       struct batadv_hard_iface *recv_if);

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int batadv_recv_frag_packet(struct sk_buff *skb,

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			    struct batadv_hard_iface *iface);

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int batadv_recv_bcast_packet(struct sk_buff *skb,

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			     struct batadv_hard_iface *recv_if);

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#ifdef CONFIG_BATMAN_ADV_MCAST

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int batadv_recv_mcast_packet(struct sk_buff *skb,

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			     struct batadv_hard_iface *recv_if);

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#else

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static inline int batadv_recv_mcast_packet(struct sk_buff *skb,

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					   struct batadv_hard_iface *recv_if)

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{

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	kfree_skb(skb);

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	return NET_RX_DROP;

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}

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#endif

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int batadv_recv_unicast_tvlv(struct sk_buff *skb,

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			     struct batadv_hard_iface *recv_if);

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int batadv_recv_unhandled_unicast_packet(struct sk_buff *skb,

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					 struct batadv_hard_iface *recv_if);

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struct batadv_neigh_node *

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batadv_find_router(struct batadv_priv *bat_priv,

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		   struct batadv_orig_node *orig_node,

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		   struct batadv_hard_iface *recv_if);

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bool batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,

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			     s32 seq_old_max_diff, unsigned long *last_reset,

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			     bool *protection_started);

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#endif /* _NET_BATMAN_ADV_ROUTING_H_ */

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