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#include <linux/rose.h> 10 11#define ROSE_ADDR_LEN 5 12 13#define ROSE_MIN_LEN 3 14 15#define ROSE_GFI 0x10 16#define ROSE_Q_BIT 0x80 17#define ROSE_D_BIT 0x40 18#define ROSE_M_BIT 0x10 19 20#define ROSE_CALL_REQUEST 0x0B 21#define ROSE_CALL_ACCEPTED 0x0F 22#define ROSE_CLEAR_REQUEST 0x13 23#define ROSE_CLEAR_CONFIRMATION 0x17 24#define ROSE_DATA 0x00 25#define ROSE_INTERRUPT 0x23 26#define ROSE_INTERRUPT_CONFIRMATION 0x27 27#define ROSE_RR 0x01 28#define ROSE_RNR 0x05 29#define ROSE_REJ 0x09 30#define ROSE_RESET_REQUEST 0x1B 31#define ROSE_RESET_CONFIRMATION 0x1F 32#define ROSE_REGISTRATION_REQUEST 0xF3 33#define ROSE_REGISTRATION_CONFIRMATION 0xF7 34#define ROSE_RESTART_REQUEST 0xFB 35#define ROSE_RESTART_CONFIRMATION 0xFF 36#define ROSE_DIAGNOSTIC 0xF1 37#define ROSE_ILLEGAL 0xFD 38 39/* Define Link State constants. */ 40 41enum { 42 ROSE_STATE_0, /* Ready */ 43 ROSE_STATE_1, /* Awaiting Call Accepted */ 44 ROSE_STATE_2, /* Awaiting Clear Confirmation */ 45 ROSE_STATE_3, /* Data Transfer */ 46 ROSE_STATE_4, /* Awaiting Reset Confirmation */ 47 ROSE_STATE_5 /* Deferred Call Acceptance */ 48}; 49 50#define ROSE_DEFAULT_T0 (180 * HZ) /* Default T10 T20 value */ 51#define ROSE_DEFAULT_T1 (200 * HZ) /* Default T11 T21 value */ 52#define ROSE_DEFAULT_T2 (180 * HZ) /* Default T12 T22 value */ 53#define ROSE_DEFAULT_T3 (180 * HZ) /* Default T13 T23 value */ 54#define ROSE_DEFAULT_HB (5 * HZ) /* Default Holdback value */ 55#define ROSE_DEFAULT_IDLE (0 * 60 * HZ) /* No Activity Timeout - none */ 56#define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ 57#define ROSE_DEFAULT_FAIL_TIMEOUT (120 * HZ) /* Time until link considered usable */ 58#define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ 59#define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */ 60 61#define ROSE_MODULUS 8 62#define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */ 63 64#define ROSE_COND_ACK_PENDING 0x01 65#define ROSE_COND_PEER_RX_BUSY 0x02 66#define ROSE_COND_OWN_RX_BUSY 0x04 67 68#define FAC_NATIONAL 0x00 69#define FAC_CCITT 0x0F 70 71#define FAC_NATIONAL_RAND 0x7F 72#define FAC_NATIONAL_FLAGS 0x3F 73#define FAC_NATIONAL_DEST_DIGI 0xE9 74#define FAC_NATIONAL_SRC_DIGI 0xEB 75#define FAC_NATIONAL_FAIL_CALL 0xED 76#define FAC_NATIONAL_FAIL_ADD 0xEE 77#define FAC_NATIONAL_DIGIS 0xEF 78 79#define FAC_CCITT_DEST_NSAP 0xC9 80#define FAC_CCITT_SRC_NSAP 0xCB 81 82struct rose_neigh { 83 struct rose_neigh *next; 84 ax25_address callsign; 85 ax25_digi *digipeat; 86 ax25_cb *ax25; 87 struct net_device *dev; 88 unsigned short count; 89 unsigned short use; 90 unsigned int number; 91 char restarted; 92 char dce_mode; 93 char loopback; 94 struct sk_buff_head queue; 95 struct timer_list t0timer; 96 struct timer_list ftimer; 97}; 98 99struct rose_node { 100 struct rose_node *next; 101 rose_address address; 102 unsigned short mask; 103 unsigned char count; 104 char loopback; 105 struct rose_neigh *neighbour[3]; 106}; 107 108struct rose_route { 109 struct rose_route *next; 110 unsigned int lci1, lci2; 111 rose_address src_addr, dest_addr; 112 ax25_address src_call, dest_call; 113 struct rose_neigh *neigh1, *neigh2; 114 unsigned int rand; 115}; 116 117typedef struct { 118 rose_address source_addr, dest_addr; 119 ax25_address source_call, dest_call; 120 unsigned char source_ndigis, dest_ndigis; 121 ax25_address source_digis[ROSE_MAX_DIGIS]; 122 ax25_address dest_digis[ROSE_MAX_DIGIS]; 123 struct rose_neigh *neighbour; 124 struct net_device *device; 125 unsigned int lci, rand; 126 unsigned char state, condition, qbitincl, defer; 127 unsigned char cause, diagnostic; 128 unsigned short vs, vr, va, vl; 129 unsigned long t1, t2, t3, hb, idle; 130#ifdef M_BIT 131 unsigned short fraglen; 132 struct sk_buff_head frag_queue; 133#endif 134 struct sk_buff_head ack_queue; 135 struct rose_facilities_struct facilities; 136 struct timer_list timer; 137 struct timer_list idletimer; 138 struct sock *sk; /* Backlink to socket */ 139} rose_cb; 140 141/* af_rose.c */ 142extern ax25_address rose_callsign; 143extern int sysctl_rose_restart_request_timeout; 144extern int sysctl_rose_call_request_timeout; 145extern int sysctl_rose_reset_request_timeout; 146extern int sysctl_rose_clear_request_timeout; 147extern int sysctl_rose_no_activity_timeout; 148extern int sysctl_rose_ack_hold_back_timeout; 149extern int sysctl_rose_routing_control; 150extern int sysctl_rose_link_fail_timeout; 151extern int sysctl_rose_maximum_vcs; 152extern int sysctl_rose_window_size; 153extern int rosecmp(rose_address *, rose_address *); 154extern int rosecmpm(rose_address *, rose_address *, unsigned short); 155extern char *rose2asc(rose_address *); 156extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *); 157extern void rose_kill_by_neigh(struct rose_neigh *); 158extern unsigned int rose_new_lci(struct rose_neigh *); 159extern int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int); 160extern void rose_destroy_socket(struct sock *); 161 162/* rose_dev.c */ 163extern int rose_rx_ip(struct sk_buff *, struct net_device *); 164extern int rose_init(struct net_device *); 165 166/* rose_in.c */ 167extern int rose_process_rx_frame(struct sock *, struct sk_buff *); 168 169/* rose_link.c */ 170extern void rose_start_ftimer(struct rose_neigh *); 171extern void rose_start_t0timer(struct rose_neigh *); 172extern void rose_stop_ftimer(struct rose_neigh *); 173extern void rose_stop_t0timer(struct rose_neigh *); 174extern int rose_ftimer_running(struct rose_neigh *); 175extern int rose_t0timer_running(struct rose_neigh *); 176extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); 177extern void rose_transmit_restart_request(struct rose_neigh *); 178extern void rose_transmit_restart_confirmation(struct rose_neigh *); 179extern void rose_transmit_diagnostic(struct rose_neigh *, unsigned char); 180extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); 181extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *); 182 183/* rose_loopback.c */ 184extern void rose_loopback_init(void); 185extern void rose_loopback_clear(void); 186extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); 187 188/* rose_out.c */ 189extern void rose_kick(struct sock *); 190extern void rose_enquiry_response(struct sock *); 191 192/* rose_route.c */ 193extern struct rose_neigh *rose_loopback_neigh; 194 195extern int rose_add_loopback_neigh(void); 196extern int rose_add_loopback_node(rose_address *); 197extern void rose_del_loopback_node(rose_address *); 198extern void rose_rt_device_down(struct net_device *); 199extern void rose_link_device_down(struct net_device *); 200extern struct net_device *rose_dev_first(void); 201extern struct net_device *rose_dev_get(rose_address *); 202extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); 203extern struct net_device *rose_ax25_dev_get(char *); 204extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *); 205extern int rose_rt_ioctl(unsigned int, void *); 206extern void rose_link_failed(ax25_cb *, int); 207extern int rose_route_frame(struct sk_buff *, ax25_cb *); 208extern int rose_nodes_get_info(char *, char **, off_t, int); 209extern int rose_neigh_get_info(char *, char **, off_t, int); 210extern int rose_routes_get_info(char *, char **, off_t, int); 211extern void rose_rt_free(void); 212 213/* rose_subr.c */ 214extern void rose_clear_queues(struct sock *); 215extern void rose_frames_acked(struct sock *, unsigned short); 216extern void rose_requeue_frames(struct sock *); 217extern int rose_validate_nr(struct sock *, unsigned short); 218extern void rose_write_internal(struct sock *, int); 219extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); 220extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *); 221extern int rose_create_facilities(unsigned char *, rose_cb *); 222extern void rose_disconnect(struct sock *, int, int, int); 223 224/* rose_timer.c */ 225extern void rose_start_heartbeat(struct sock *); 226extern void rose_start_t1timer(struct sock *); 227extern void rose_start_t2timer(struct sock *); 228extern void rose_start_t3timer(struct sock *); 229extern void rose_start_hbtimer(struct sock *); 230extern void rose_start_idletimer(struct sock *); 231extern void rose_stop_heartbeat(struct sock *); 232extern void rose_stop_timer(struct sock *); 233extern void rose_stop_idletimer(struct sock *); 234 235/* sysctl_net_rose.c */ 236extern void rose_register_sysctl(void); 237extern void rose_unregister_sysctl(void); 238 239#endif 240