Pull misc2-6-36 into release branch
[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / net / rose.h
1 /*
2  *      Declarations of Rose type objects.
3  *
4  *      Jonathan Naylor G4KLX   25/8/96
5  */
6
7 #ifndef _ROSE_H
8 #define _ROSE_H 
9
10 #include <linux/rose.h>
11 #include <net/sock.h>
12
13 #define ROSE_ADDR_LEN                   5
14
15 #define ROSE_MIN_LEN                    3
16
17 #define ROSE_GFI                        0x10
18 #define ROSE_Q_BIT                      0x80
19 #define ROSE_D_BIT                      0x40
20 #define ROSE_M_BIT                      0x10
21
22 #define ROSE_CALL_REQUEST               0x0B
23 #define ROSE_CALL_ACCEPTED              0x0F
24 #define ROSE_CLEAR_REQUEST              0x13
25 #define ROSE_CLEAR_CONFIRMATION         0x17
26 #define ROSE_DATA                       0x00
27 #define ROSE_INTERRUPT                  0x23
28 #define ROSE_INTERRUPT_CONFIRMATION     0x27
29 #define ROSE_RR                         0x01
30 #define ROSE_RNR                        0x05
31 #define ROSE_REJ                        0x09
32 #define ROSE_RESET_REQUEST              0x1B
33 #define ROSE_RESET_CONFIRMATION         0x1F
34 #define ROSE_REGISTRATION_REQUEST       0xF3
35 #define ROSE_REGISTRATION_CONFIRMATION  0xF7
36 #define ROSE_RESTART_REQUEST            0xFB
37 #define ROSE_RESTART_CONFIRMATION       0xFF
38 #define ROSE_DIAGNOSTIC                 0xF1
39 #define ROSE_ILLEGAL                    0xFD
40
41 /* Define Link State constants. */
42
43 enum {
44         ROSE_STATE_0,                   /* Ready */
45         ROSE_STATE_1,                   /* Awaiting Call Accepted */
46         ROSE_STATE_2,                   /* Awaiting Clear Confirmation */
47         ROSE_STATE_3,                   /* Data Transfer */
48         ROSE_STATE_4,                   /* Awaiting Reset Confirmation */
49         ROSE_STATE_5                    /* Deferred Call Acceptance */
50 };
51
52 #define ROSE_DEFAULT_T0                 180000          /* Default T10 T20 value */
53 #define ROSE_DEFAULT_T1                 200000          /* Default T11 T21 value */
54 #define ROSE_DEFAULT_T2                 180000          /* Default T12 T22 value */
55 #define ROSE_DEFAULT_T3                 180000          /* Default T13 T23 value */
56 #define ROSE_DEFAULT_HB                 5000            /* Default Holdback value */
57 #define ROSE_DEFAULT_IDLE               0               /* No Activity Timeout - none */
58 #define ROSE_DEFAULT_ROUTING            1               /* Default routing flag */
59 #define ROSE_DEFAULT_FAIL_TIMEOUT       120000          /* Time until link considered usable */
60 #define ROSE_DEFAULT_MAXVC              50              /* Maximum number of VCs per neighbour */
61 #define ROSE_DEFAULT_WINDOW_SIZE        7               /* Default window size */
62
63 #define ROSE_MODULUS                    8
64 #define ROSE_MAX_PACKET_SIZE            251             /* Maximum packet size */
65
66 #define ROSE_COND_ACK_PENDING           0x01
67 #define ROSE_COND_PEER_RX_BUSY          0x02
68 #define ROSE_COND_OWN_RX_BUSY           0x04
69
70 #define FAC_NATIONAL                    0x00
71 #define FAC_CCITT                       0x0F
72
73 #define FAC_NATIONAL_RAND               0x7F
74 #define FAC_NATIONAL_FLAGS              0x3F
75 #define FAC_NATIONAL_DEST_DIGI          0xE9
76 #define FAC_NATIONAL_SRC_DIGI           0xEB
77 #define FAC_NATIONAL_FAIL_CALL          0xED
78 #define FAC_NATIONAL_FAIL_ADD           0xEE
79 #define FAC_NATIONAL_DIGIS                      0xEF
80
81 #define FAC_CCITT_DEST_NSAP             0xC9
82 #define FAC_CCITT_SRC_NSAP              0xCB
83
84 struct rose_neigh {
85         struct rose_neigh       *next;
86         ax25_address            callsign;
87         ax25_digi               *digipeat;
88         ax25_cb                 *ax25;
89         struct net_device               *dev;
90         unsigned short          count;
91         unsigned short          use;
92         unsigned int            number;
93         char                    restarted;
94         char                    dce_mode;
95         char                    loopback;
96         struct sk_buff_head     queue;
97         struct timer_list       t0timer;
98         struct timer_list       ftimer;
99 };
100
101 struct rose_node {
102         struct rose_node        *next;
103         rose_address            address;
104         unsigned short          mask;
105         unsigned char           count;
106         char                    loopback;
107         struct rose_neigh       *neighbour[3];
108 };
109
110 struct rose_route {
111         struct rose_route       *next;
112         unsigned int            lci1, lci2;
113         rose_address            src_addr, dest_addr;
114         ax25_address            src_call, dest_call;
115         struct rose_neigh       *neigh1, *neigh2;
116         unsigned int            rand;
117 };
118
119 struct rose_sock {
120         struct sock             sock;
121         rose_address            source_addr,   dest_addr;
122         ax25_address            source_call,   dest_call;
123         unsigned char           source_ndigis, dest_ndigis;
124         ax25_address            source_digis[ROSE_MAX_DIGIS];
125         ax25_address            dest_digis[ROSE_MAX_DIGIS];
126         struct rose_neigh       *neighbour;
127         struct net_device               *device;
128         unsigned int            lci, rand;
129         unsigned char           state, condition, qbitincl, defer;
130         unsigned char           cause, diagnostic;
131         unsigned short          vs, vr, va, vl;
132         unsigned long           t1, t2, t3, hb, idle;
133 #ifdef M_BIT
134         unsigned short          fraglen;
135         struct sk_buff_head     frag_queue;
136 #endif
137         struct sk_buff_head     ack_queue;
138         struct rose_facilities_struct facilities;
139         struct timer_list       timer;
140         struct timer_list       idletimer;
141 };
142
143 #define rose_sk(sk) ((struct rose_sock *)(sk))
144
145 /* af_rose.c */
146 extern ax25_address rose_callsign;
147 extern int  sysctl_rose_restart_request_timeout;
148 extern int  sysctl_rose_call_request_timeout;
149 extern int  sysctl_rose_reset_request_timeout;
150 extern int  sysctl_rose_clear_request_timeout;
151 extern int  sysctl_rose_no_activity_timeout;
152 extern int  sysctl_rose_ack_hold_back_timeout;
153 extern int  sysctl_rose_routing_control;
154 extern int  sysctl_rose_link_fail_timeout;
155 extern int  sysctl_rose_maximum_vcs;
156 extern int  sysctl_rose_window_size;
157 extern int  rosecmp(rose_address *, rose_address *);
158 extern int  rosecmpm(rose_address *, rose_address *, unsigned short);
159 extern char *rose2asc(char *buf, const rose_address *);
160 extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
161 extern void rose_kill_by_neigh(struct rose_neigh *);
162 extern unsigned int rose_new_lci(struct rose_neigh *);
163 extern int  rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int);
164 extern void rose_destroy_socket(struct sock *);
165
166 /* rose_dev.c */
167 extern void  rose_setup(struct net_device *);
168
169 /* rose_in.c */
170 extern int  rose_process_rx_frame(struct sock *, struct sk_buff *);
171
172 /* rose_link.c */
173 extern void rose_start_ftimer(struct rose_neigh *);
174 extern void rose_stop_ftimer(struct rose_neigh *);
175 extern void rose_stop_t0timer(struct rose_neigh *);
176 extern int  rose_ftimer_running(struct rose_neigh *);
177 extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short);
178 extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char);
179 extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *);
180
181 /* rose_loopback.c */
182 extern void rose_loopback_init(void);
183 extern void rose_loopback_clear(void);
184 extern int  rose_loopback_queue(struct sk_buff *, struct rose_neigh *);
185
186 /* rose_out.c */
187 extern void rose_kick(struct sock *);
188 extern void rose_enquiry_response(struct sock *);
189
190 /* rose_route.c */
191 extern struct rose_neigh *rose_loopback_neigh;
192 extern const struct file_operations rose_neigh_fops;
193 extern const struct file_operations rose_nodes_fops;
194 extern const struct file_operations rose_routes_fops;
195
196 extern void rose_add_loopback_neigh(void);
197 extern int __must_check rose_add_loopback_node(rose_address *);
198 extern void rose_del_loopback_node(rose_address *);
199 extern void rose_rt_device_down(struct net_device *);
200 extern void rose_link_device_down(struct net_device *);
201 extern struct net_device *rose_dev_first(void);
202 extern struct net_device *rose_dev_get(rose_address *);
203 extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *);
204 extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *, int);
205 extern int  rose_rt_ioctl(unsigned int, void __user *);
206 extern void rose_link_failed(ax25_cb *, int);
207 extern int  rose_route_frame(struct sk_buff *, ax25_cb *);
208 extern void rose_rt_free(void);
209
210 /* rose_subr.c */
211 extern void rose_clear_queues(struct sock *);
212 extern void rose_frames_acked(struct sock *, unsigned short);
213 extern void rose_requeue_frames(struct sock *);
214 extern int  rose_validate_nr(struct sock *, unsigned short);
215 extern void rose_write_internal(struct sock *, int);
216 extern int  rose_decode(struct sk_buff *, int *, int *, int *, int *, int *);
217 extern int  rose_parse_facilities(unsigned char *, struct rose_facilities_struct *);
218 extern void rose_disconnect(struct sock *, int, int, int);
219
220 /* rose_timer.c */
221 extern void rose_start_heartbeat(struct sock *);
222 extern void rose_start_t1timer(struct sock *);
223 extern void rose_start_t2timer(struct sock *);
224 extern void rose_start_t3timer(struct sock *);
225 extern void rose_start_hbtimer(struct sock *);
226 extern void rose_start_idletimer(struct sock *);
227 extern void rose_stop_heartbeat(struct sock *);
228 extern void rose_stop_timer(struct sock *);
229 extern void rose_stop_idletimer(struct sock *);
230
231 /* sysctl_net_rose.c */
232 extern void rose_register_sysctl(void);
233 extern void rose_unregister_sysctl(void);
234
235 #endif