1 /* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors:
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.
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.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 #ifndef _NET_BATMAN_ADV_ARP_H_
21 #define _NET_BATMAN_ADV_ARP_H_
23 #ifdef CONFIG_BATMAN_ADV_DAT
26 #include "originator.h"
28 #include <linux/if_arp.h>
30 #define BATADV_DAT_ADDR_MAX ((batadv_dat_addr_t)~(batadv_dat_addr_t)0)
32 bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv
*bat_priv
,
34 bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv
*bat_priv
,
35 struct sk_buff
*skb
, int hdr_size
);
36 void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv
*bat_priv
,
38 bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv
*bat_priv
,
39 struct sk_buff
*skb
, int hdr_size
);
40 bool batadv_dat_drop_broadcast_packet(struct batadv_priv
*bat_priv
,
41 struct batadv_forw_packet
*forw_packet
);
44 * batadv_dat_init_orig_node_addr - assign a DAT address to the orig_node
45 * @orig_node: the node to assign the DAT address to
48 batadv_dat_init_orig_node_addr(struct batadv_orig_node
*orig_node
)
52 addr
= batadv_choose_orig(orig_node
->orig
, BATADV_DAT_ADDR_MAX
);
53 orig_node
->dat_addr
= (batadv_dat_addr_t
)addr
;
57 * batadv_dat_init_own_addr - assign a DAT address to the node itself
58 * @bat_priv: the bat priv with all the soft interface information
59 * @primary_if: a pointer to the primary interface
62 batadv_dat_init_own_addr(struct batadv_priv
*bat_priv
,
63 struct batadv_hard_iface
*primary_if
)
67 addr
= batadv_choose_orig(primary_if
->net_dev
->dev_addr
,
70 bat_priv
->dat
.addr
= (batadv_dat_addr_t
)addr
;
73 int batadv_dat_init(struct batadv_priv
*bat_priv
);
74 void batadv_dat_free(struct batadv_priv
*bat_priv
);
75 int batadv_dat_cache_seq_print_text(struct seq_file
*seq
, void *offset
);
78 * batadv_dat_inc_counter - increment the correct DAT packet counter
79 * @bat_priv: the bat priv with all the soft interface information
80 * @subtype: the 4addr subtype of the packet to be counted
82 * Updates the ethtool statistics for the received packet if it is a DAT subtype
84 static inline void batadv_dat_inc_counter(struct batadv_priv
*bat_priv
,
88 case BATADV_P_DAT_DHT_GET
:
89 batadv_inc_counter(bat_priv
,
90 BATADV_CNT_DAT_GET_RX
);
92 case BATADV_P_DAT_DHT_PUT
:
93 batadv_inc_counter(bat_priv
,
94 BATADV_CNT_DAT_PUT_RX
);
102 batadv_dat_snoop_outgoing_arp_request(struct batadv_priv
*bat_priv
,
109 batadv_dat_snoop_incoming_arp_request(struct batadv_priv
*bat_priv
,
110 struct sk_buff
*skb
, int hdr_size
)
116 batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv
*bat_priv
,
123 batadv_dat_snoop_incoming_arp_reply(struct batadv_priv
*bat_priv
,
124 struct sk_buff
*skb
, int hdr_size
)
130 batadv_dat_drop_broadcast_packet(struct batadv_priv
*bat_priv
,
131 struct batadv_forw_packet
*forw_packet
)
137 batadv_dat_init_orig_node_addr(struct batadv_orig_node
*orig_node
)
141 static inline void batadv_dat_init_own_addr(struct batadv_priv
*bat_priv
,
142 struct batadv_hard_iface
*iface
)
146 static inline void batadv_arp_change_timeout(struct net_device
*soft_iface
,
151 static inline int batadv_dat_init(struct batadv_priv
*bat_priv
)
156 static inline void batadv_dat_free(struct batadv_priv
*bat_priv
)
160 static inline void batadv_dat_inc_counter(struct batadv_priv
*bat_priv
,
165 #endif /* CONFIG_BATMAN_ADV_DAT */
167 #endif /* _NET_BATMAN_ADV_ARP_H_ */