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TOMOYO Linux Cross Reference
Linux/net/batman-adv/bridge_loop_avoidance.h

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  1 /* Copyright (C) 2011-2016  B.A.T.M.A.N. contributors:
  2  *
  3  * Simon Wunderlich
  4  *
  5  * This program is free software; you can redistribute it and/or
  6  * modify it under the terms of version 2 of the GNU General Public
  7  * License as published by the Free Software Foundation.
  8  *
  9  * This program is distributed in the hope that it will be useful, but
 10  * WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 12  * General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU General Public License
 15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
 16  */
 17 
 18 #ifndef _NET_BATMAN_ADV_BLA_H_
 19 #define _NET_BATMAN_ADV_BLA_H_
 20 
 21 #include "main.h"
 22 
 23 #include <linux/types.h>
 24 
 25 struct net_device;
 26 struct netlink_callback;
 27 struct seq_file;
 28 struct sk_buff;
 29 
 30 #ifdef CONFIG_BATMAN_ADV_BLA
 31 bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
 32                    unsigned short vid, bool is_bcast);
 33 bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
 34                    unsigned short vid);
 35 bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
 36                                struct batadv_orig_node *orig_node,
 37                                int hdr_size);
 38 int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
 39 int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
 40 int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
 41                                              void *offset);
 42 int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
 43 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
 44                                     unsigned short vid);
 45 bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
 46                                     struct sk_buff *skb);
 47 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
 48                                     struct batadv_hard_iface *primary_if,
 49                                     struct batadv_hard_iface *oldif);
 50 void batadv_bla_status_update(struct net_device *net_dev);
 51 int batadv_bla_init(struct batadv_priv *bat_priv);
 52 void batadv_bla_free(struct batadv_priv *bat_priv);
 53 int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
 54 #define BATADV_BLA_CRC_INIT     0
 55 #else /* ifdef CONFIG_BATMAN_ADV_BLA */
 56 
 57 static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
 58                                  struct sk_buff *skb, unsigned short vid,
 59                                  bool is_bcast)
 60 {
 61         return false;
 62 }
 63 
 64 static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
 65                                  struct sk_buff *skb, unsigned short vid)
 66 {
 67         return false;
 68 }
 69 
 70 static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
 71                                              struct batadv_orig_node *orig_node,
 72                                              int hdr_size)
 73 {
 74         return false;
 75 }
 76 
 77 static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
 78                                                         void *offset)
 79 {
 80         return 0;
 81 }
 82 
 83 static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
 84                                                            void *offset)
 85 {
 86         return 0;
 87 }
 88 
 89 static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
 90                                                   u8 *orig, unsigned short vid)
 91 {
 92         return false;
 93 }
 94 
 95 static inline bool
 96 batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
 97                                struct sk_buff *skb)
 98 {
 99         return false;
100 }
101 
102 static inline void
103 batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
104                                struct batadv_hard_iface *primary_if,
105                                struct batadv_hard_iface *oldif)
106 {
107 }
108 
109 static inline int batadv_bla_init(struct batadv_priv *bat_priv)
110 {
111         return 1;
112 }
113 
114 static inline void batadv_bla_free(struct batadv_priv *bat_priv)
115 {
116 }
117 
118 static inline int batadv_bla_claim_dump(struct sk_buff *msg,
119                                         struct netlink_callback *cb)
120 {
121         return -EOPNOTSUPP;
122 }
123 
124 static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
125                                            struct netlink_callback *cb)
126 {
127         return -EOPNOTSUPP;
128 }
129 
130 #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
131 
132 #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
133 

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