rose.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:8k
- /*
- * Declarations of Rose type objects.
- *
- * Jonathan Naylor G4KLX 25/8/96
- */
- #ifndef _ROSE_H
- #define _ROSE_H
- #include <linux/rose.h>
- #define ROSE_ADDR_LEN 5
- #define ROSE_MIN_LEN 3
- #define ROSE_GFI 0x10
- #define ROSE_Q_BIT 0x80
- #define ROSE_D_BIT 0x40
- #define ROSE_M_BIT 0x10
- #define ROSE_CALL_REQUEST 0x0B
- #define ROSE_CALL_ACCEPTED 0x0F
- #define ROSE_CLEAR_REQUEST 0x13
- #define ROSE_CLEAR_CONFIRMATION 0x17
- #define ROSE_DATA 0x00
- #define ROSE_INTERRUPT 0x23
- #define ROSE_INTERRUPT_CONFIRMATION 0x27
- #define ROSE_RR 0x01
- #define ROSE_RNR 0x05
- #define ROSE_REJ 0x09
- #define ROSE_RESET_REQUEST 0x1B
- #define ROSE_RESET_CONFIRMATION 0x1F
- #define ROSE_REGISTRATION_REQUEST 0xF3
- #define ROSE_REGISTRATION_CONFIRMATION 0xF7
- #define ROSE_RESTART_REQUEST 0xFB
- #define ROSE_RESTART_CONFIRMATION 0xFF
- #define ROSE_DIAGNOSTIC 0xF1
- #define ROSE_ILLEGAL 0xFD
- /* Define Link State constants. */
- enum {
- ROSE_STATE_0, /* Ready */
- ROSE_STATE_1, /* Awaiting Call Accepted */
- ROSE_STATE_2, /* Awaiting Clear Confirmation */
- ROSE_STATE_3, /* Data Transfer */
- ROSE_STATE_4, /* Awaiting Reset Confirmation */
- ROSE_STATE_5 /* Deferred Call Acceptance */
- };
- #define ROSE_DEFAULT_T0 (180 * HZ) /* Default T10 T20 value */
- #define ROSE_DEFAULT_T1 (200 * HZ) /* Default T11 T21 value */
- #define ROSE_DEFAULT_T2 (180 * HZ) /* Default T12 T22 value */
- #define ROSE_DEFAULT_T3 (180 * HZ) /* Default T13 T23 value */
- #define ROSE_DEFAULT_HB (5 * HZ) /* Default Holdback value */
- #define ROSE_DEFAULT_IDLE (0 * 60 * HZ) /* No Activity Timeout - none */
- #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */
- #define ROSE_DEFAULT_FAIL_TIMEOUT (120 * HZ) /* Time until link considered usable */
- #define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */
- #define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */
- #define ROSE_MODULUS 8
- #define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */
- #define ROSE_COND_ACK_PENDING 0x01
- #define ROSE_COND_PEER_RX_BUSY 0x02
- #define ROSE_COND_OWN_RX_BUSY 0x04
- #define FAC_NATIONAL 0x00
- #define FAC_CCITT 0x0F
- #define FAC_NATIONAL_RAND 0x7F
- #define FAC_NATIONAL_FLAGS 0x3F
- #define FAC_NATIONAL_DEST_DIGI 0xE9
- #define FAC_NATIONAL_SRC_DIGI 0xEB
- #define FAC_NATIONAL_FAIL_CALL 0xED
- #define FAC_NATIONAL_FAIL_ADD 0xEE
- #define FAC_NATIONAL_DIGIS 0xEF
- #define FAC_CCITT_DEST_NSAP 0xC9
- #define FAC_CCITT_SRC_NSAP 0xCB
- struct rose_neigh {
- struct rose_neigh *next;
- ax25_address callsign;
- ax25_digi *digipeat;
- ax25_cb *ax25;
- struct net_device *dev;
- unsigned short count;
- unsigned short use;
- unsigned int number;
- char restarted;
- char dce_mode;
- char loopback;
- struct sk_buff_head queue;
- struct timer_list t0timer;
- struct timer_list ftimer;
- };
- struct rose_node {
- struct rose_node *next;
- rose_address address;
- unsigned short mask;
- unsigned char count;
- char loopback;
- struct rose_neigh *neighbour[3];
- };
- struct rose_route {
- struct rose_route *next;
- unsigned int lci1, lci2;
- rose_address src_addr, dest_addr;
- ax25_address src_call, dest_call;
- struct rose_neigh *neigh1, *neigh2;
- unsigned int rand;
- };
- typedef struct {
- rose_address source_addr, dest_addr;
- ax25_address source_call, dest_call;
- unsigned char source_ndigis, dest_ndigis;
- ax25_address source_digis[ROSE_MAX_DIGIS];
- ax25_address dest_digis[ROSE_MAX_DIGIS];
- struct rose_neigh *neighbour;
- struct net_device *device;
- unsigned int lci, rand;
- unsigned char state, condition, qbitincl, defer;
- unsigned char cause, diagnostic;
- unsigned short vs, vr, va, vl;
- unsigned long t1, t2, t3, hb, idle;
- #ifdef M_BIT
- unsigned short fraglen;
- struct sk_buff_head frag_queue;
- #endif
- struct sk_buff_head ack_queue;
- struct rose_facilities_struct facilities;
- struct timer_list timer;
- struct timer_list idletimer;
- struct sock *sk; /* Backlink to socket */
- } rose_cb;
- /* af_rose.c */
- extern ax25_address rose_callsign;
- extern int sysctl_rose_restart_request_timeout;
- extern int sysctl_rose_call_request_timeout;
- extern int sysctl_rose_reset_request_timeout;
- extern int sysctl_rose_clear_request_timeout;
- extern int sysctl_rose_no_activity_timeout;
- extern int sysctl_rose_ack_hold_back_timeout;
- extern int sysctl_rose_routing_control;
- extern int sysctl_rose_link_fail_timeout;
- extern int sysctl_rose_maximum_vcs;
- extern int sysctl_rose_window_size;
- extern int rosecmp(rose_address *, rose_address *);
- extern int rosecmpm(rose_address *, rose_address *, unsigned short);
- extern char *rose2asc(rose_address *);
- extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
- extern void rose_kill_by_neigh(struct rose_neigh *);
- extern unsigned int rose_new_lci(struct rose_neigh *);
- extern int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int);
- extern void rose_destroy_socket(struct sock *);
- /* rose_dev.c */
- extern int rose_rx_ip(struct sk_buff *, struct net_device *);
- extern int rose_init(struct net_device *);
- /* rose_in.c */
- extern int rose_process_rx_frame(struct sock *, struct sk_buff *);
- /* rose_link.c */
- extern void rose_start_ftimer(struct rose_neigh *);
- extern void rose_start_t0timer(struct rose_neigh *);
- extern void rose_stop_ftimer(struct rose_neigh *);
- extern void rose_stop_t0timer(struct rose_neigh *);
- extern int rose_ftimer_running(struct rose_neigh *);
- extern int rose_t0timer_running(struct rose_neigh *);
- extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short);
- extern void rose_transmit_restart_request(struct rose_neigh *);
- extern void rose_transmit_restart_confirmation(struct rose_neigh *);
- extern void rose_transmit_diagnostic(struct rose_neigh *, unsigned char);
- extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char);
- extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *);
- /* rose_loopback.c */
- extern void rose_loopback_init(void);
- extern void rose_loopback_clear(void);
- extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *);
- /* rose_out.c */
- extern void rose_kick(struct sock *);
- extern void rose_enquiry_response(struct sock *);
- /* rose_route.c */
- extern struct rose_neigh *rose_loopback_neigh;
- extern int rose_add_loopback_neigh(void);
- extern int rose_add_loopback_node(rose_address *);
- extern void rose_del_loopback_node(rose_address *);
- extern void rose_rt_device_down(struct net_device *);
- extern void rose_link_device_down(struct net_device *);
- extern struct net_device *rose_dev_first(void);
- extern struct net_device *rose_dev_get(rose_address *);
- extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *);
- extern struct net_device *rose_ax25_dev_get(char *);
- extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *);
- extern int rose_rt_ioctl(unsigned int, void *);
- extern void rose_link_failed(ax25_cb *, int);
- extern int rose_route_frame(struct sk_buff *, ax25_cb *);
- extern int rose_nodes_get_info(char *, char **, off_t, int);
- extern int rose_neigh_get_info(char *, char **, off_t, int);
- extern int rose_routes_get_info(char *, char **, off_t, int);
- extern void rose_rt_free(void);
- /* rose_subr.c */
- extern void rose_clear_queues(struct sock *);
- extern void rose_frames_acked(struct sock *, unsigned short);
- extern void rose_requeue_frames(struct sock *);
- extern int rose_validate_nr(struct sock *, unsigned short);
- extern void rose_write_internal(struct sock *, int);
- extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *);
- extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *);
- extern int rose_create_facilities(unsigned char *, rose_cb *);
- extern void rose_disconnect(struct sock *, int, int, int);
- /* rose_timer.c */
- extern void rose_start_heartbeat(struct sock *);
- extern void rose_start_t1timer(struct sock *);
- extern void rose_start_t2timer(struct sock *);
- extern void rose_start_t3timer(struct sock *);
- extern void rose_start_hbtimer(struct sock *);
- extern void rose_start_idletimer(struct sock *);
- extern void rose_stop_heartbeat(struct sock *);
- extern void rose_stop_timer(struct sock *);
- extern void rose_stop_idletimer(struct sock *);
- /* sysctl_net_rose.c */
- extern void rose_register_sysctl(void);
- extern void rose_unregister_sysctl(void);
- #endif