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kernel/linux-rt-4.4.41/net/batman-adv/bridge_loop_avoidance.h 3.1 KB
5113f6f70   김현기   kernel add
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  /* Copyright (C) 2011-2015 B.A.T.M.A.N. contributors:
   *
   * Simon Wunderlich
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of version 2 of the GNU General Public
   * License as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef _NET_BATMAN_ADV_BLA_H_
  #define _NET_BATMAN_ADV_BLA_H_
  
  #include "main.h"
  
  #include <linux/types.h>
  
  struct seq_file;
  struct sk_buff;
  
  #ifdef CONFIG_BATMAN_ADV_BLA
  int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		  unsigned short vid, bool is_bcast);
  int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		  unsigned short vid);
  int batadv_bla_is_backbone_gw(struct sk_buff *skb,
  			      struct batadv_orig_node *orig_node, int hdr_size);
  int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
  int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  					     void *offset);
  bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
  				    unsigned short vid);
  int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
  				   struct sk_buff *skb);
  void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  				    struct batadv_hard_iface *primary_if,
  				    struct batadv_hard_iface *oldif);
  int batadv_bla_init(struct batadv_priv *bat_priv);
  void batadv_bla_free(struct batadv_priv *bat_priv);
  
  #define BATADV_BLA_CRC_INIT	0
  #else /* ifdef CONFIG_BATMAN_ADV_BLA */
  
  static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
  				struct sk_buff *skb, unsigned short vid,
  				bool is_bcast)
  {
  	return 0;
  }
  
  static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
  				struct sk_buff *skb, unsigned short vid)
  {
  	return 0;
  }
  
  static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
  					    struct batadv_orig_node *orig_node,
  					    int hdr_size)
  {
  	return 0;
  }
  
  static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
  							void *offset)
  {
  	return 0;
  }
  
  static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  							   void *offset)
  {
  	return 0;
  }
  
  static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
  						  u8 *orig, unsigned short vid)
  {
  	return false;
  }
  
  static inline int
  batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
  			       struct sk_buff *skb)
  {
  	return 0;
  }
  
  static inline void
  batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  			       struct batadv_hard_iface *primary_if,
  			       struct batadv_hard_iface *oldif)
  {
  }
  
  static inline int batadv_bla_init(struct batadv_priv *bat_priv)
  {
  	return 1;
  }
  
  static inline void batadv_bla_free(struct batadv_priv *bat_priv)
  {
  }
  
  #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
  
  #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */