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 43enum { 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 84struct 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 101struct 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 110struct 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 119struct 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 */ 146extern ax25_address rose_callsign; 147extern int sysctl_rose_restart_request_timeout; 148extern int sysctl_rose_call_request_timeout; 149extern int sysctl_rose_reset_request_timeout; 150extern int sysctl_rose_clear_request_timeout; 151extern int sysctl_rose_no_activity_timeout; 152extern int sysctl_rose_ack_hold_back_timeout; 153extern int sysctl_rose_routing_control; 154extern int sysctl_rose_link_fail_timeout; 155extern int sysctl_rose_maximum_vcs; 156extern int sysctl_rose_window_size; 157extern int rosecmp(rose_address *, rose_address *); 158extern int rosecmpm(rose_address *, rose_address *, unsigned short); 159extern char *rose2asc(char *buf, const rose_address *); 160extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *); 161extern void rose_kill_by_neigh(struct rose_neigh *); 162extern unsigned int rose_new_lci(struct rose_neigh *); 163extern int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int); 164extern void rose_destroy_socket(struct sock *); 165 166/* rose_dev.c */ 167extern void rose_setup(struct net_device *); 168 169/* rose_in.c */ 170extern int rose_process_rx_frame(struct sock *, struct sk_buff *); 171 172/* rose_link.c */ 173extern void rose_start_ftimer(struct rose_neigh *); 174extern void rose_stop_ftimer(struct rose_neigh *); 175extern void rose_stop_t0timer(struct rose_neigh *); 176extern int rose_ftimer_running(struct rose_neigh *); 177extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); 178extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); 179extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *); 180 181/* rose_loopback.c */ 182extern void rose_loopback_init(void); 183extern void rose_loopback_clear(void); 184extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); 185 186/* rose_out.c */ 187extern void rose_kick(struct sock *); 188extern void rose_enquiry_response(struct sock *); 189 190/* rose_route.c */ 191extern struct rose_neigh *rose_loopback_neigh; 192extern const struct file_operations rose_neigh_fops; 193extern const struct file_operations rose_nodes_fops; 194extern const struct file_operations rose_routes_fops; 195 196extern void rose_add_loopback_neigh(void); 197extern int __must_check rose_add_loopback_node(rose_address *); 198extern void rose_del_loopback_node(rose_address *); 199extern void rose_rt_device_down(struct net_device *); 200extern void rose_link_device_down(struct net_device *); 201extern struct net_device *rose_dev_first(void); 202extern struct net_device *rose_dev_get(rose_address *); 203extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); 204extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *, int); 205extern int rose_rt_ioctl(unsigned int, void __user *); 206extern void rose_link_failed(ax25_cb *, int); 207extern int rose_route_frame(struct sk_buff *, ax25_cb *); 208extern void rose_rt_free(void); 209 210/* rose_subr.c */ 211extern void rose_clear_queues(struct sock *); 212extern void rose_frames_acked(struct sock *, unsigned short); 213extern void rose_requeue_frames(struct sock *); 214extern int rose_validate_nr(struct sock *, unsigned short); 215extern void rose_write_internal(struct sock *, int); 216extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); 217extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *); 218extern void rose_disconnect(struct sock *, int, int, int); 219 220/* rose_timer.c */ 221extern void rose_start_heartbeat(struct sock *); 222extern void rose_start_t1timer(struct sock *); 223extern void rose_start_t2timer(struct sock *); 224extern void rose_start_t3timer(struct sock *); 225extern void rose_start_hbtimer(struct sock *); 226extern void rose_start_idletimer(struct sock *); 227extern void rose_stop_heartbeat(struct sock *); 228extern void rose_stop_timer(struct sock *); 229extern void rose_stop_idletimer(struct sock *); 230 231/* sysctl_net_rose.c */ 232extern void rose_register_sysctl(void); 233extern void rose_unregister_sysctl(void); 234 235#endif 236