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_CALL_REQ_ADDR_LEN_OFF 3 18#define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */ 19#define ROSE_CALL_REQ_DEST_ADDR_OFF 4 20#define ROSE_CALL_REQ_SRC_ADDR_OFF 9 21#define ROSE_CALL_REQ_FACILITIES_OFF 14 22 23#define ROSE_GFI 0x10 24#define ROSE_Q_BIT 0x80 25#define ROSE_D_BIT 0x40 26#define ROSE_M_BIT 0x10 27 28#define ROSE_CALL_REQUEST 0x0B 29#define ROSE_CALL_ACCEPTED 0x0F 30#define ROSE_CLEAR_REQUEST 0x13 31#define ROSE_CLEAR_CONFIRMATION 0x17 32#define ROSE_DATA 0x00 33#define ROSE_INTERRUPT 0x23 34#define ROSE_INTERRUPT_CONFIRMATION 0x27 35#define ROSE_RR 0x01 36#define ROSE_RNR 0x05 37#define ROSE_REJ 0x09 38#define ROSE_RESET_REQUEST 0x1B 39#define ROSE_RESET_CONFIRMATION 0x1F 40#define ROSE_REGISTRATION_REQUEST 0xF3 41#define ROSE_REGISTRATION_CONFIRMATION 0xF7 42#define ROSE_RESTART_REQUEST 0xFB 43#define ROSE_RESTART_CONFIRMATION 0xFF 44#define ROSE_DIAGNOSTIC 0xF1 45#define ROSE_ILLEGAL 0xFD 46 47/* Define Link State constants. */ 48 49enum { 50 ROSE_STATE_0, /* Ready */ 51 ROSE_STATE_1, /* Awaiting Call Accepted */ 52 ROSE_STATE_2, /* Awaiting Clear Confirmation */ 53 ROSE_STATE_3, /* Data Transfer */ 54 ROSE_STATE_4, /* Awaiting Reset Confirmation */ 55 ROSE_STATE_5 /* Deferred Call Acceptance */ 56}; 57 58#define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */ 59#define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */ 60#define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */ 61#define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */ 62#define ROSE_DEFAULT_HB 5000 /* Default Holdback value */ 63#define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */ 64#define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ 65#define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */ 66#define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ 67#define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */ 68 69#define ROSE_MODULUS 8 70#define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */ 71 72#define ROSE_COND_ACK_PENDING 0x01 73#define ROSE_COND_PEER_RX_BUSY 0x02 74#define ROSE_COND_OWN_RX_BUSY 0x04 75 76#define FAC_NATIONAL 0x00 77#define FAC_CCITT 0x0F 78 79#define FAC_NATIONAL_RAND 0x7F 80#define FAC_NATIONAL_FLAGS 0x3F 81#define FAC_NATIONAL_DEST_DIGI 0xE9 82#define FAC_NATIONAL_SRC_DIGI 0xEB 83#define FAC_NATIONAL_FAIL_CALL 0xED 84#define FAC_NATIONAL_FAIL_ADD 0xEE 85#define FAC_NATIONAL_DIGIS 0xEF 86 87#define FAC_CCITT_DEST_NSAP 0xC9 88#define FAC_CCITT_SRC_NSAP 0xCB 89 90struct rose_neigh { 91 struct rose_neigh *next; 92 ax25_address callsign; 93 ax25_digi *digipeat; 94 ax25_cb *ax25; 95 struct net_device *dev; 96 unsigned short count; 97 unsigned short use; 98 unsigned int number; 99 char restarted; 100 char dce_mode; 101 char loopback; 102 struct sk_buff_head queue; 103 struct timer_list t0timer; 104 struct timer_list ftimer; 105}; 106 107struct rose_node { 108 struct rose_node *next; 109 rose_address address; 110 unsigned short mask; 111 unsigned char count; 112 char loopback; 113 struct rose_neigh *neighbour[3]; 114}; 115 116struct rose_route { 117 struct rose_route *next; 118 unsigned int lci1, lci2; 119 rose_address src_addr, dest_addr; 120 ax25_address src_call, dest_call; 121 struct rose_neigh *neigh1, *neigh2; 122 unsigned int rand; 123}; 124 125struct rose_sock { 126 struct sock sock; 127 rose_address source_addr, dest_addr; 128 ax25_address source_call, dest_call; 129 unsigned char source_ndigis, dest_ndigis; 130 ax25_address source_digis[ROSE_MAX_DIGIS]; 131 ax25_address dest_digis[ROSE_MAX_DIGIS]; 132 struct rose_neigh *neighbour; 133 struct net_device *device; 134 unsigned int lci, rand; 135 unsigned char state, condition, qbitincl, defer; 136 unsigned char cause, diagnostic; 137 unsigned short vs, vr, va, vl; 138 unsigned long t1, t2, t3, hb, idle; 139#ifdef M_BIT 140 unsigned short fraglen; 141 struct sk_buff_head frag_queue; 142#endif 143 struct sk_buff_head ack_queue; 144 struct rose_facilities_struct facilities; 145 struct timer_list timer; 146 struct timer_list idletimer; 147}; 148 149#define rose_sk(sk) ((struct rose_sock *)(sk)) 150 151/* af_rose.c */ 152extern ax25_address rose_callsign; 153extern int sysctl_rose_restart_request_timeout; 154extern int sysctl_rose_call_request_timeout; 155extern int sysctl_rose_reset_request_timeout; 156extern int sysctl_rose_clear_request_timeout; 157extern int sysctl_rose_no_activity_timeout; 158extern int sysctl_rose_ack_hold_back_timeout; 159extern int sysctl_rose_routing_control; 160extern int sysctl_rose_link_fail_timeout; 161extern int sysctl_rose_maximum_vcs; 162extern int sysctl_rose_window_size; 163 164int rosecmp(rose_address *, rose_address *); 165int rosecmpm(rose_address *, rose_address *, unsigned short); 166char *rose2asc(char *buf, const rose_address *); 167struct sock *rose_find_socket(unsigned int, struct rose_neigh *); 168void rose_kill_by_neigh(struct rose_neigh *); 169unsigned int rose_new_lci(struct rose_neigh *); 170int rose_rx_call_request(struct sk_buff *, struct net_device *, 171 struct rose_neigh *, unsigned int); 172void rose_destroy_socket(struct sock *); 173 174/* rose_dev.c */ 175void rose_setup(struct net_device *); 176 177/* rose_in.c */ 178int rose_process_rx_frame(struct sock *, struct sk_buff *); 179 180/* rose_link.c */ 181void rose_start_ftimer(struct rose_neigh *); 182void rose_stop_ftimer(struct rose_neigh *); 183void rose_stop_t0timer(struct rose_neigh *); 184int rose_ftimer_running(struct rose_neigh *); 185void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, 186 unsigned short); 187void rose_transmit_clear_request(struct rose_neigh *, unsigned int, 188 unsigned char, unsigned char); 189void rose_transmit_link(struct sk_buff *, struct rose_neigh *); 190 191/* rose_loopback.c */ 192void rose_loopback_init(void); 193void rose_loopback_clear(void); 194int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); 195 196/* rose_out.c */ 197void rose_kick(struct sock *); 198void rose_enquiry_response(struct sock *); 199 200/* rose_route.c */ 201extern struct rose_neigh *rose_loopback_neigh; 202extern const struct file_operations rose_neigh_fops; 203extern const struct file_operations rose_nodes_fops; 204extern const struct file_operations rose_routes_fops; 205 206void rose_add_loopback_neigh(void); 207int __must_check rose_add_loopback_node(rose_address *); 208void rose_del_loopback_node(rose_address *); 209void rose_rt_device_down(struct net_device *); 210void rose_link_device_down(struct net_device *); 211struct net_device *rose_dev_first(void); 212struct net_device *rose_dev_get(rose_address *); 213struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); 214struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, 215 unsigned char *, int); 216int rose_rt_ioctl(unsigned int, void __user *); 217void rose_link_failed(ax25_cb *, int); 218int rose_route_frame(struct sk_buff *, ax25_cb *); 219void rose_rt_free(void); 220 221/* rose_subr.c */ 222void rose_clear_queues(struct sock *); 223void rose_frames_acked(struct sock *, unsigned short); 224void rose_requeue_frames(struct sock *); 225int rose_validate_nr(struct sock *, unsigned short); 226void rose_write_internal(struct sock *, int); 227int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); 228int rose_parse_facilities(unsigned char *, unsigned int, 229 struct rose_facilities_struct *); 230void rose_disconnect(struct sock *, int, int, int); 231 232/* rose_timer.c */ 233void rose_start_heartbeat(struct sock *); 234void rose_start_t1timer(struct sock *); 235void rose_start_t2timer(struct sock *); 236void rose_start_t3timer(struct sock *); 237void rose_start_hbtimer(struct sock *); 238void rose_start_idletimer(struct sock *); 239void rose_stop_heartbeat(struct sock *); 240void rose_stop_timer(struct sock *); 241void rose_stop_idletimer(struct sock *); 242 243/* sysctl_net_rose.c */ 244void rose_register_sysctl(void); 245void rose_unregister_sysctl(void); 246 247#endif 248