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 	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
117