Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Ralf Baechle | 82e8424 | 2006-05-03 23:28:20 -0700 | [diff] [blame] | 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 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ |
Ralf Baechle | 82e8424 | 2006-05-03 23:28:20 -0700 | [diff] [blame] | 59 | #define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 const char *rose2asc(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 struct file_operations rose_neigh_fops; |
| 193 | extern struct file_operations rose_nodes_fops; |
| 194 | extern struct file_operations rose_routes_fops; |
| 195 | |
Ralf Baechle | c9266b9 | 2006-12-14 15:49:28 -0800 | [diff] [blame] | 196 | extern int __must_check rose_add_loopback_neigh(void); |
| 197 | extern int __must_check rose_add_loopback_node(rose_address *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 *); |
| 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 |