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18#ifndef _NET_BATMAN_ADV_DISTRIBUTED_ARP_TABLE_H_
19#define _NET_BATMAN_ADV_DISTRIBUTED_ARP_TABLE_H_
20
21#include "main.h"
22
23#include <linux/compiler.h>
24#include <linux/netdevice.h>
25#include <linux/types.h>
26
27#include "originator.h"
28#include "packet.h"
29
30struct seq_file;
31struct sk_buff;
32
33#ifdef CONFIG_BATMAN_ADV_DAT
34
35
36#define BATADV_DAT_ADDR_MAX ((batadv_dat_addr_t)~(batadv_dat_addr_t)0)
37
38void batadv_dat_status_update(struct net_device *net_dev);
39bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
40 struct sk_buff *skb);
41bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
42 struct sk_buff *skb, int hdr_size);
43void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
44 struct sk_buff *skb);
45bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
46 struct sk_buff *skb, int hdr_size);
47bool batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
48 struct batadv_forw_packet *forw_packet);
49
50
51
52
53
54static inline void
55batadv_dat_init_orig_node_addr(struct batadv_orig_node *orig_node)
56{
57 u32 addr;
58
59 addr = batadv_choose_orig(orig_node->orig, BATADV_DAT_ADDR_MAX);
60 orig_node->dat_addr = (batadv_dat_addr_t)addr;
61}
62
63
64
65
66
67
68static inline void
69batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
70 struct batadv_hard_iface *primary_if)
71{
72 u32 addr;
73
74 addr = batadv_choose_orig(primary_if->net_dev->dev_addr,
75 BATADV_DAT_ADDR_MAX);
76
77 bat_priv->dat.addr = (batadv_dat_addr_t)addr;
78}
79
80int batadv_dat_init(struct batadv_priv *bat_priv);
81void batadv_dat_free(struct batadv_priv *bat_priv);
82int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset);
83
84
85
86
87
88
89
90
91static inline void batadv_dat_inc_counter(struct batadv_priv *bat_priv,
92 u8 subtype)
93{
94 switch (subtype) {
95 case BATADV_P_DAT_DHT_GET:
96 batadv_inc_counter(bat_priv,
97 BATADV_CNT_DAT_GET_RX);
98 break;
99 case BATADV_P_DAT_DHT_PUT:
100 batadv_inc_counter(bat_priv,
101 BATADV_CNT_DAT_PUT_RX);
102 break;
103 }
104}
105
106#else
107
108static inline void batadv_dat_status_update(struct net_device *net_dev)
109{
110}
111
112static inline bool
113batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
114 struct sk_buff *skb)
115{
116 return false;
117}
118
119static inline bool
120batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
121 struct sk_buff *skb, int hdr_size)
122{
123 return false;
124}
125
126static inline bool
127batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
128 struct sk_buff *skb)
129{
130 return false;
131}
132
133static inline bool
134batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
135 struct sk_buff *skb, int hdr_size)
136{
137 return false;
138}
139
140static inline bool
141batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
142 struct batadv_forw_packet *forw_packet)
143{
144 return false;
145}
146
147static inline void
148batadv_dat_init_orig_node_addr(struct batadv_orig_node *orig_node)
149{
150}
151
152static inline void batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
153 struct batadv_hard_iface *iface)
154{
155}
156
157static inline void batadv_arp_change_timeout(struct net_device *soft_iface,
158 const char *name)
159{
160}
161
162static inline int batadv_dat_init(struct batadv_priv *bat_priv)
163{
164 return 0;
165}
166
167static inline void batadv_dat_free(struct batadv_priv *bat_priv)
168{
169}
170
171static inline void batadv_dat_inc_counter(struct batadv_priv *bat_priv,
172 u8 subtype)
173{
174}
175
176#endif
177
178#endif
179