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 #define AX25_MTU	256
10 #define AX25_MAX_DIGIS  8
11 
12 #define AX25_WINDOW	1
13 #define AX25_T1		2
14 #define AX25_N2		3
15 #define AX25_T3		4
16 #define AX25_T2		5
17 #define	AX25_BACKOFF	6
18 #define	AX25_EXTSEQ	7
19 #define	AX25_PIDINCL	8
20 #define AX25_IDLE	9
21 #define AX25_PACLEN	10
22 #define AX25_IAMDIGI	12
23 
24 #define AX25_KILL	99
25 
26 #define SIOCAX25GETUID		(SIOCPROTOPRIVATE+0)
27 #define SIOCAX25ADDUID		(SIOCPROTOPRIVATE+1)
28 #define SIOCAX25DELUID		(SIOCPROTOPRIVATE+2)
29 #define SIOCAX25NOUID		(SIOCPROTOPRIVATE+3)
30 #define SIOCAX25OPTRT		(SIOCPROTOPRIVATE+7)
31 #define SIOCAX25CTLCON		(SIOCPROTOPRIVATE+8)
32 #define SIOCAX25GETINFOOLD	(SIOCPROTOPRIVATE+9)
33 #define SIOCAX25ADDFWD		(SIOCPROTOPRIVATE+10)
34 #define SIOCAX25DELFWD		(SIOCPROTOPRIVATE+11)
35 #define SIOCAX25DEVCTL          (SIOCPROTOPRIVATE+12)
36 #define SIOCAX25GETINFO         (SIOCPROTOPRIVATE+13)
37 
38 #define AX25_SET_RT_IPMODE	2
39 
40 #define AX25_NOUID_DEFAULT	0
41 #define AX25_NOUID_BLOCK	1
42 
43 typedef struct {
44 	char		ax25_call[7];	/* 6 call + SSID (shifted ascii!) */
45 } ax25_address;
46 
47 struct sockaddr_ax25 {
48 	sa_family_t	sax25_family;
49 	ax25_address	sax25_call;
50 	int		sax25_ndigis;
51 	/* Digipeater ax25_address sets follow */
52 };
53 
54 #define sax25_uid	sax25_ndigis
55 
56 struct full_sockaddr_ax25 {
57 	struct sockaddr_ax25 fsa_ax25;
58 	ax25_address	fsa_digipeater[AX25_MAX_DIGIS];
59 };
60 
61 struct ax25_routes_struct {
62 	ax25_address	port_addr;
63 	ax25_address	dest_addr;
64 	unsigned char	digi_count;
65 	ax25_address	digi_addr[AX25_MAX_DIGIS];
66 };
67 
68 struct ax25_route_opt_struct {
69 	ax25_address	port_addr;
70 	ax25_address	dest_addr;
71 	int		cmd;
72 	int		arg;
73 };
74 
75 struct ax25_ctl_struct {
76         ax25_address            port_addr;
77         ax25_address            source_addr;
78         ax25_address            dest_addr;
79         unsigned int            cmd;
80         unsigned long           arg;
81         unsigned char           digi_count;
82         ax25_address            digi_addr[AX25_MAX_DIGIS];
83 };
84 
85 /* this will go away. Please do not export to user land */
86 struct ax25_info_struct_depreciated {
87 	unsigned int	n2, n2count;
88 	unsigned int	t1, t1timer;
89 	unsigned int	t2, t2timer;
90 	unsigned int	t3, t3timer;
91 	unsigned int	idle, idletimer;
92 	unsigned int	state;
93 	unsigned int	rcv_q, snd_q;
94 };
95 
96 struct ax25_info_struct {
97 	unsigned int	n2, n2count;
98 	unsigned int	t1, t1timer;
99 	unsigned int	t2, t2timer;
100 	unsigned int	t3, t3timer;
101 	unsigned int	idle, idletimer;
102 	unsigned int	state;
103 	unsigned int	rcv_q, snd_q;
104 	unsigned int	vs, vr, va, vs_max;
105 	unsigned int	paclen;
106 	unsigned int	window;
107 };
108 
109 struct ax25_fwd_struct {
110 	ax25_address	port_from;
111 	ax25_address	port_to;
112 };
113 
114 #endif
115