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18#ifndef _NET_BATMAN_ADV_MAIN_H_
19#define _NET_BATMAN_ADV_MAIN_H_
20
21#define BATADV_DRIVER_AUTHOR "Marek Lindner <mareklindner@neomailbox.ch>, " \
22 "Simon Wunderlich <sw@simonwunderlich.de>"
23#define BATADV_DRIVER_DESC "B.A.T.M.A.N. advanced"
24#define BATADV_DRIVER_DEVICE "batman-adv"
25
26#ifndef BATADV_SOURCE_VERSION
27#define BATADV_SOURCE_VERSION "2017.3"
28#endif
29
30
31
32#define BATADV_TQ_MAX_VALUE 255
33#define BATADV_THROUGHPUT_MAX_VALUE 0xFFFFFFFF
34#define BATADV_JITTER 20
35
36
37#define BATADV_TTL 50
38
39
40#define BATADV_BCAST_MAX_AGE 64
41
42
43
44
45#define BATADV_PURGE_TIMEOUT 200000
46#define BATADV_TT_LOCAL_TIMEOUT 600000
47#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000
48#define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000
49#define BATADV_TT_WORK_PERIOD 5000
50#define BATADV_ORIG_WORK_PERIOD 1000
51#define BATADV_MCAST_WORK_PERIOD 500
52#define BATADV_DAT_ENTRY_TIMEOUT (5 * 60000)
53
54
55
56#define BATADV_TQ_LOCAL_WINDOW_SIZE 64
57
58#define BATADV_TT_REQUEST_TIMEOUT 3000
59
60#define BATADV_TQ_GLOBAL_WINDOW_SIZE 5
61#define BATADV_TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
62#define BATADV_TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
63#define BATADV_TQ_TOTAL_BIDRECT_LIMIT 1
64
65
66#define BATADV_THROUGHPUT_DEFAULT_VALUE 10
67#define BATADV_ELP_PROBES_PER_NODE 2
68#define BATADV_ELP_MIN_PROBE_SIZE 200
69#define BATADV_ELP_PROBE_MAX_TX_DIFF 100
70#define BATADV_ELP_MAX_AGE 64
71#define BATADV_OGM_MAX_ORIGDIFF 5
72#define BATADV_OGM_MAX_AGE 64
73
74
75#define BATADV_TT_OGM_APPEND_MAX 3
76
77
78
79
80#define BATADV_ROAMING_MAX_TIME 20000
81#define BATADV_ROAMING_MAX_COUNT 5
82
83#define BATADV_NO_FLAGS 0
84
85#define BATADV_NULL_IFINDEX 0
86
87#define BATADV_NO_MARK 0
88
89
90
91
92
93#define BATADV_IF_DEFAULT ((struct batadv_hard_iface *)NULL)
94
95#define BATADV_NUM_WORDS BITS_TO_LONGS(BATADV_TQ_LOCAL_WINDOW_SIZE)
96
97#define BATADV_LOG_BUF_LEN 8192
98
99
100#define BATADV_NUM_BCASTS_DEFAULT 1
101#define BATADV_NUM_BCASTS_WIRELESS 3
102#define BATADV_NUM_BCASTS_MAX 3
103
104
105#define BATADV_TP_PACKET_LEN ETH_DATA_LEN
106
107
108#define ARP_REQ_DELAY 250
109
110#define BATADV_DAT_CANDIDATES_NUM 3
111
112
113
114
115#define BATADV_TQ_SIMILARITY_THRESHOLD 50
116
117
118
119
120#define BATADV_MAX_AGGREGATION_BYTES 512
121#define BATADV_MAX_AGGREGATION_MS 100
122
123#define BATADV_BLA_PERIOD_LENGTH 10000
124#define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 6)
125#define BATADV_BLA_CLAIM_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 10)
126#define BATADV_BLA_WAIT_PERIODS 3
127#define BATADV_BLA_LOOPDETECT_PERIODS 6
128#define BATADV_BLA_LOOPDETECT_TIMEOUT 3000
129
130#define BATADV_DUPLIST_SIZE 16
131#define BATADV_DUPLIST_TIMEOUT 500
132
133#define BATADV_RESET_PROTECTION_MS 30000
134#define BATADV_EXPECTED_SEQNO_RANGE 65536
135
136#define BATADV_NC_NODE_TIMEOUT 10000
137
138
139
140
141#define BATADV_TP_MAX_NUM 5
142
143enum batadv_mesh_state {
144 BATADV_MESH_INACTIVE,
145 BATADV_MESH_ACTIVE,
146 BATADV_MESH_DEACTIVATING,
147};
148
149#define BATADV_BCAST_QUEUE_LEN 256
150#define BATADV_BATMAN_QUEUE_LEN 256
151
152enum batadv_uev_action {
153 BATADV_UEV_ADD = 0,
154 BATADV_UEV_DEL,
155 BATADV_UEV_CHANGE,
156 BATADV_UEV_LOOPDETECT,
157};
158
159enum batadv_uev_type {
160 BATADV_UEV_GW = 0,
161 BATADV_UEV_BLA,
162};
163
164#define BATADV_GW_THRESHOLD 50
165
166
167#define BATADV_FRAG_BUFFER_COUNT 8
168
169#define BATADV_FRAG_MAX_FRAGMENTS 16
170
171#define BATADV_FRAG_MAX_FRAG_SIZE 1280
172
173#define BATADV_FRAG_TIMEOUT 10000
174
175#define BATADV_DAT_CANDIDATE_NOT_FOUND 0
176#define BATADV_DAT_CANDIDATE_ORIG 1
177
178
179#ifdef pr_fmt
180#undef pr_fmt
181#endif
182
183#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
184
185
186
187#include <linux/bitops.h>
188#include <linux/compiler.h>
189#include <linux/etherdevice.h>
190#include <linux/if_ether.h>
191#include <linux/if_vlan.h>
192#include <linux/jiffies.h>
193#include <linux/percpu.h>
194#include <linux/types.h>
195
196#include "packet.h"
197#include "types.h"
198
199struct net_device;
200struct packet_type;
201struct seq_file;
202struct sk_buff;
203
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208
209
210static inline int batadv_print_vid(unsigned short vid)
211{
212 if (vid & BATADV_VLAN_HAS_TAG)
213 return (int)(vid & VLAN_VID_MASK);
214 else
215 return -1;
216}
217
218extern struct list_head batadv_hardif_list;
219
220extern unsigned char batadv_broadcast_addr[];
221extern struct workqueue_struct *batadv_event_workqueue;
222
223int batadv_mesh_init(struct net_device *soft_iface);
224void batadv_mesh_free(struct net_device *soft_iface);
225bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr);
226struct batadv_hard_iface *
227batadv_seq_print_text_primary_if_get(struct seq_file *seq);
228int batadv_max_header_len(void);
229void batadv_skb_set_priority(struct sk_buff *skb, int offset);
230int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
231 struct packet_type *ptype,
232 struct net_device *orig_dev);
233int
234batadv_recv_handler_register(u8 packet_type,
235 int (*recv_handler)(struct sk_buff *,
236 struct batadv_hard_iface *));
237void batadv_recv_handler_unregister(u8 packet_type);
238__be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr);
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249static inline bool batadv_compare_eth(const void *data1, const void *data2)
250{
251 return ether_addr_equal_unaligned(data1, data2);
252}
253
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261
262static inline bool batadv_has_timed_out(unsigned long timestamp,
263 unsigned int timeout)
264{
265 return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout));
266}
267
268#define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
269
270
271#define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
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282
283#define batadv_seq_before(x, y) ({typeof(x)_d1 = (x); \
284 typeof(y)_d2 = (y); \
285 typeof(x)_dummy = (_d1 - _d2); \
286 (void)(&_d1 == &_d2); \
287 _dummy > batadv_smallest_signed_int(_dummy); })
288#define batadv_seq_after(x, y) batadv_seq_before(y, x)
289
290
291static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,
292 size_t count)
293{
294 this_cpu_add(bat_priv->bat_counters[idx], count);
295}
296
297#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
298
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302
303#define BATADV_SKB_CB(__skb) ((struct batadv_skb_cb *)&((__skb)->cb[0]))
304
305unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len);
306bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid);
307
308#endif
309