/* SPDX-License-Identifier: GPL-2.0 */ /* * Declarations of Rose type objects. * * Jonathan Naylor G4KLX 25/8/96 */ #ifndef _ROSE_H #define _ROSE_H #include <linux/rose.h> #include <net/sock.h> #define ROSE_ADDR_LEN 5 #define ROSE_MIN_LEN 3 #define ROSE_CALL_REQ_ADDR_LEN_OFF 3 #define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */ #define ROSE_CALL_REQ_DEST_ADDR_OFF 4 #define ROSE_CALL_REQ_SRC_ADDR_OFF 9 #define ROSE_CALL_REQ_FACILITIES_OFF 14 #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 180000 /* Default T10 T20 value */ #define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */ #define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */ #define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */ #define ROSE_DEFAULT_HB 5000 /* Default Holdback value */ #define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */ #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ #define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* 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; }; struct rose_sock { struct sock sock; 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; }; #define rose_sk(sk) ((struct rose_sock *)(sk)) /* 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; int rosecmp(rose_address *, rose_address *); int rosecmpm(rose_address *, rose_address *, unsigned short); char *rose2asc(char *buf, const rose_address *); struct sock *rose_find_socket(unsigned int, struct rose_neigh *); void rose_kill_by_neigh(struct rose_neigh *); unsigned int rose_new_lci(struct rose_neigh *); int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int); void rose_destroy_socket(struct sock *); /* rose_dev.c */ void rose_setup(struct net_device *); /* rose_in.c */ int rose_process_rx_frame(struct sock *, struct sk_buff *); /* rose_link.c */ void rose_start_ftimer(struct rose_neigh *); void rose_stop_ftimer(struct rose_neigh *); void rose_stop_t0timer(struct rose_neigh *); int rose_ftimer_running(struct rose_neigh *); void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); void rose_transmit_link(struct sk_buff *, struct rose_neigh *); /* rose_loopback.c */ void rose_loopback_init(void); void rose_loopback_clear(void); int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); /* rose_out.c */ void rose_kick(struct sock *); void rose_enquiry_response(struct sock *); /* rose_route.c */ extern struct rose_neigh *rose_loopback_neigh; extern const struct seq_operations rose_neigh_seqops; extern const struct seq_operations rose_node_seqops; extern struct seq_operations rose_route_seqops; void rose_add_loopback_neigh(void); int __must_check rose_add_loopback_node(rose_address *); void rose_del_loopback_node(rose_address *); void rose_rt_device_down(struct net_device *); void rose_link_device_down(struct net_device *); struct net_device *rose_dev_first(void); struct net_device *rose_dev_get(rose_address *); struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *, int); int rose_rt_ioctl(unsigned int, void __user *); void rose_link_failed(ax25_cb *, int); int rose_route_frame(struct sk_buff *, ax25_cb *); void rose_rt_free(void); /* rose_subr.c */ void rose_clear_queues(struct sock *); void rose_frames_acked(struct sock *, unsigned short); void rose_requeue_frames(struct sock *); int rose_validate_nr(struct sock *, unsigned short); void rose_write_internal(struct sock *, int); int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); int rose_parse_facilities(unsigned char *, unsigned int, struct rose_facilities_struct *); void rose_disconnect(struct sock *, int, int, int); /* rose_timer.c */ void rose_start_heartbeat(struct sock *); void rose_start_t1timer(struct sock *); void rose_start_t2timer(struct sock *); void rose_start_t3timer(struct sock *); void rose_start_hbtimer(struct sock *); void rose_start_idletimer(struct sock *); void rose_stop_heartbeat(struct sock *); void rose_stop_timer(struct sock *); void rose_stop_idletimer(struct sock *); /* sysctl_net_rose.c */ void rose_register_sysctl(void); void rose_unregister_sysctl(void); #endif