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ax25.h
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1 /*
2  * These are the public elements of the Linux kernel AX.25 code. A similar
3  * file netrom.h exists for the NET/ROM protocol.
4  */
5 
6 #ifndef AX25_KERNEL_H
7 #define AX25_KERNEL_H
8 
9 #include <linux/socket.h>
10 
11 #define AX25_MTU 256
12 #define AX25_MAX_DIGIS 8
13 
14 #define AX25_WINDOW 1
15 #define AX25_T1 2
16 #define AX25_N2 3
17 #define AX25_T3 4
18 #define AX25_T2 5
19 #define AX25_BACKOFF 6
20 #define AX25_EXTSEQ 7
21 #define AX25_PIDINCL 8
22 #define AX25_IDLE 9
23 #define AX25_PACLEN 10
24 #define AX25_IAMDIGI 12
25 
26 #define AX25_KILL 99
27 
28 #define SIOCAX25GETUID (SIOCPROTOPRIVATE+0)
29 #define SIOCAX25ADDUID (SIOCPROTOPRIVATE+1)
30 #define SIOCAX25DELUID (SIOCPROTOPRIVATE+2)
31 #define SIOCAX25NOUID (SIOCPROTOPRIVATE+3)
32 #define SIOCAX25OPTRT (SIOCPROTOPRIVATE+7)
33 #define SIOCAX25CTLCON (SIOCPROTOPRIVATE+8)
34 #define SIOCAX25GETINFOOLD (SIOCPROTOPRIVATE+9)
35 #define SIOCAX25ADDFWD (SIOCPROTOPRIVATE+10)
36 #define SIOCAX25DELFWD (SIOCPROTOPRIVATE+11)
37 #define SIOCAX25DEVCTL (SIOCPROTOPRIVATE+12)
38 #define SIOCAX25GETINFO (SIOCPROTOPRIVATE+13)
39 
40 #define AX25_SET_RT_IPMODE 2
41 
42 #define AX25_NOUID_DEFAULT 0
43 #define AX25_NOUID_BLOCK 1
44 
45 typedef struct {
46  char ax25_call[7]; /* 6 call + SSID (shifted ascii!) */
47 } ax25_address;
48 
49 struct sockaddr_ax25 {
50  __kernel_sa_family_t sax25_family;
51  ax25_address sax25_call;
52  int sax25_ndigis;
53  /* Digipeater ax25_address sets follow */
54 };
55 
56 #define sax25_uid sax25_ndigis
57 
58 struct full_sockaddr_ax25 {
59  struct sockaddr_ax25 fsa_ax25;
60  ax25_address fsa_digipeater[AX25_MAX_DIGIS];
61 };
62 
63 struct ax25_routes_struct {
64  ax25_address port_addr;
65  ax25_address dest_addr;
66  unsigned char digi_count;
67  ax25_address digi_addr[AX25_MAX_DIGIS];
68 };
69 
70 struct ax25_route_opt_struct {
71  ax25_address port_addr;
72  ax25_address dest_addr;
73  int cmd;
74  int arg;
75 };
76 
77 struct ax25_ctl_struct {
78  ax25_address port_addr;
79  ax25_address source_addr;
80  ax25_address dest_addr;
81  unsigned int cmd;
82  unsigned long arg;
83  unsigned char digi_count;
84  ax25_address digi_addr[AX25_MAX_DIGIS];
85 };
86 
87 /* this will go away. Please do not export to user land */
88 struct ax25_info_struct_deprecated {
89  unsigned int n2, n2count;
90  unsigned int t1, t1timer;
91  unsigned int t2, t2timer;
92  unsigned int t3, t3timer;
93  unsigned int idle, idletimer;
94  unsigned int state;
95  unsigned int rcv_q, snd_q;
96 };
97 
98 struct ax25_info_struct {
99  unsigned int n2, n2count;
100  unsigned int t1, t1timer;
101  unsigned int t2, t2timer;
102  unsigned int t3, t3timer;
103  unsigned int idle, idletimer;
104  unsigned int state;
105  unsigned int rcv_q, snd_q;
106  unsigned int vs, vr, va, vs_max;
107  unsigned int paclen;
108  unsigned int window;
109 };
110 
111 struct ax25_fwd_struct {
112  ax25_address port_from;
113  ax25_address port_to;
114 };
115 
116 #endif
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