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 (180 * HZ) /* Default T10 T20 value */ 53 #define ROSE_DEFAULT_T1 (200 * HZ) /* Default T11 T21 value */ 54 #define ROSE_DEFAULT_T2 (180 * HZ) /* Default T12 T22 value */ 55 #define ROSE_DEFAULT_T3 (180 * HZ) /* Default T13 T23 value */ 56 #define ROSE_DEFAULT_HB (5 * HZ) /* Default Holdback value */ 57 #define ROSE_DEFAULT_IDLE (0 * 60 * HZ) /* No Activity Timeout - none */ 58 #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ 59 #define ROSE_DEFAULT_FAIL_TIMEOUT (120 * HZ) /* 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 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; 195 196 extern int rose_add_loopback_neigh(void); 197 extern int 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 *); 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 236