1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Declarations of Rose type objects. 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Jonathan Naylor G4KLX 25/8/96 61da177e4SLinus Torvalds */ 71da177e4SLinus Torvalds 81da177e4SLinus Torvalds #ifndef _ROSE_H 91da177e4SLinus Torvalds #define _ROSE_H 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds #include <linux/rose.h> 12949d6b40SJakub Kicinski #include <net/ax25.h> 131da177e4SLinus Torvalds #include <net/sock.h> 141da177e4SLinus Torvalds 151da177e4SLinus Torvalds #define ROSE_ADDR_LEN 5 161da177e4SLinus Torvalds 171da177e4SLinus Torvalds #define ROSE_MIN_LEN 3 181da177e4SLinus Torvalds 19e0bccd31SBen Hutchings #define ROSE_CALL_REQ_ADDR_LEN_OFF 3 20e0bccd31SBen Hutchings #define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */ 21e0bccd31SBen Hutchings #define ROSE_CALL_REQ_DEST_ADDR_OFF 4 22e0bccd31SBen Hutchings #define ROSE_CALL_REQ_SRC_ADDR_OFF 9 23e0bccd31SBen Hutchings #define ROSE_CALL_REQ_FACILITIES_OFF 14 24e0bccd31SBen Hutchings 251da177e4SLinus Torvalds #define ROSE_GFI 0x10 261da177e4SLinus Torvalds #define ROSE_Q_BIT 0x80 271da177e4SLinus Torvalds #define ROSE_D_BIT 0x40 281da177e4SLinus Torvalds #define ROSE_M_BIT 0x10 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #define ROSE_CALL_REQUEST 0x0B 311da177e4SLinus Torvalds #define ROSE_CALL_ACCEPTED 0x0F 321da177e4SLinus Torvalds #define ROSE_CLEAR_REQUEST 0x13 331da177e4SLinus Torvalds #define ROSE_CLEAR_CONFIRMATION 0x17 341da177e4SLinus Torvalds #define ROSE_DATA 0x00 351da177e4SLinus Torvalds #define ROSE_INTERRUPT 0x23 361da177e4SLinus Torvalds #define ROSE_INTERRUPT_CONFIRMATION 0x27 371da177e4SLinus Torvalds #define ROSE_RR 0x01 381da177e4SLinus Torvalds #define ROSE_RNR 0x05 391da177e4SLinus Torvalds #define ROSE_REJ 0x09 401da177e4SLinus Torvalds #define ROSE_RESET_REQUEST 0x1B 411da177e4SLinus Torvalds #define ROSE_RESET_CONFIRMATION 0x1F 421da177e4SLinus Torvalds #define ROSE_REGISTRATION_REQUEST 0xF3 431da177e4SLinus Torvalds #define ROSE_REGISTRATION_CONFIRMATION 0xF7 441da177e4SLinus Torvalds #define ROSE_RESTART_REQUEST 0xFB 451da177e4SLinus Torvalds #define ROSE_RESTART_CONFIRMATION 0xFF 461da177e4SLinus Torvalds #define ROSE_DIAGNOSTIC 0xF1 471da177e4SLinus Torvalds #define ROSE_ILLEGAL 0xFD 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds /* Define Link State constants. */ 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds enum { 521da177e4SLinus Torvalds ROSE_STATE_0, /* Ready */ 531da177e4SLinus Torvalds ROSE_STATE_1, /* Awaiting Call Accepted */ 541da177e4SLinus Torvalds ROSE_STATE_2, /* Awaiting Clear Confirmation */ 551da177e4SLinus Torvalds ROSE_STATE_3, /* Data Transfer */ 561da177e4SLinus Torvalds ROSE_STATE_4, /* Awaiting Reset Confirmation */ 571da177e4SLinus Torvalds ROSE_STATE_5 /* Deferred Call Acceptance */ 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 6082e84249SRalf Baechle #define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */ 6182e84249SRalf Baechle #define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */ 6282e84249SRalf Baechle #define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */ 6382e84249SRalf Baechle #define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */ 6482e84249SRalf Baechle #define ROSE_DEFAULT_HB 5000 /* Default Holdback value */ 6582e84249SRalf Baechle #define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */ 661da177e4SLinus Torvalds #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ 6782e84249SRalf Baechle #define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */ 681da177e4SLinus Torvalds #define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ 691da177e4SLinus Torvalds #define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */ 701da177e4SLinus Torvalds 711da177e4SLinus Torvalds #define ROSE_MODULUS 8 721da177e4SLinus Torvalds #define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */ 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds #define ROSE_COND_ACK_PENDING 0x01 751da177e4SLinus Torvalds #define ROSE_COND_PEER_RX_BUSY 0x02 761da177e4SLinus Torvalds #define ROSE_COND_OWN_RX_BUSY 0x04 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds #define FAC_NATIONAL 0x00 791da177e4SLinus Torvalds #define FAC_CCITT 0x0F 801da177e4SLinus Torvalds 811da177e4SLinus Torvalds #define FAC_NATIONAL_RAND 0x7F 821da177e4SLinus Torvalds #define FAC_NATIONAL_FLAGS 0x3F 831da177e4SLinus Torvalds #define FAC_NATIONAL_DEST_DIGI 0xE9 841da177e4SLinus Torvalds #define FAC_NATIONAL_SRC_DIGI 0xEB 851da177e4SLinus Torvalds #define FAC_NATIONAL_FAIL_CALL 0xED 861da177e4SLinus Torvalds #define FAC_NATIONAL_FAIL_ADD 0xEE 871da177e4SLinus Torvalds #define FAC_NATIONAL_DIGIS 0xEF 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds #define FAC_CCITT_DEST_NSAP 0xC9 901da177e4SLinus Torvalds #define FAC_CCITT_SRC_NSAP 0xCB 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds struct rose_neigh { 931da177e4SLinus Torvalds struct rose_neigh *next; 941da177e4SLinus Torvalds ax25_address callsign; 951da177e4SLinus Torvalds ax25_digi *digipeat; 961da177e4SLinus Torvalds ax25_cb *ax25; 971da177e4SLinus Torvalds struct net_device *dev; 981da177e4SLinus Torvalds unsigned short count; 991da177e4SLinus Torvalds unsigned short use; 1001da177e4SLinus Torvalds unsigned int number; 1011da177e4SLinus Torvalds char restarted; 1021da177e4SLinus Torvalds char dce_mode; 1031da177e4SLinus Torvalds char loopback; 1041da177e4SLinus Torvalds struct sk_buff_head queue; 1051da177e4SLinus Torvalds struct timer_list t0timer; 1061da177e4SLinus Torvalds struct timer_list ftimer; 1071da177e4SLinus Torvalds }; 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds struct rose_node { 1101da177e4SLinus Torvalds struct rose_node *next; 1111da177e4SLinus Torvalds rose_address address; 1121da177e4SLinus Torvalds unsigned short mask; 1131da177e4SLinus Torvalds unsigned char count; 1141da177e4SLinus Torvalds char loopback; 1151da177e4SLinus Torvalds struct rose_neigh *neighbour[3]; 1161da177e4SLinus Torvalds }; 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds struct rose_route { 1191da177e4SLinus Torvalds struct rose_route *next; 1201da177e4SLinus Torvalds unsigned int lci1, lci2; 1211da177e4SLinus Torvalds rose_address src_addr, dest_addr; 1221da177e4SLinus Torvalds ax25_address src_call, dest_call; 1231da177e4SLinus Torvalds struct rose_neigh *neigh1, *neigh2; 1241da177e4SLinus Torvalds unsigned int rand; 1251da177e4SLinus Torvalds }; 1261da177e4SLinus Torvalds 1271da177e4SLinus Torvalds struct rose_sock { 1281da177e4SLinus Torvalds struct sock sock; 1291da177e4SLinus Torvalds rose_address source_addr, dest_addr; 1301da177e4SLinus Torvalds ax25_address source_call, dest_call; 1311da177e4SLinus Torvalds unsigned char source_ndigis, dest_ndigis; 1321da177e4SLinus Torvalds ax25_address source_digis[ROSE_MAX_DIGIS]; 1331da177e4SLinus Torvalds ax25_address dest_digis[ROSE_MAX_DIGIS]; 1341da177e4SLinus Torvalds struct rose_neigh *neighbour; 1351da177e4SLinus Torvalds struct net_device *device; 136*2df91e39SEric Dumazet netdevice_tracker dev_tracker; 1371da177e4SLinus Torvalds unsigned int lci, rand; 1381da177e4SLinus Torvalds unsigned char state, condition, qbitincl, defer; 1391da177e4SLinus Torvalds unsigned char cause, diagnostic; 1401da177e4SLinus Torvalds unsigned short vs, vr, va, vl; 1411da177e4SLinus Torvalds unsigned long t1, t2, t3, hb, idle; 1421da177e4SLinus Torvalds #ifdef M_BIT 1431da177e4SLinus Torvalds unsigned short fraglen; 1441da177e4SLinus Torvalds struct sk_buff_head frag_queue; 1451da177e4SLinus Torvalds #endif 1461da177e4SLinus Torvalds struct sk_buff_head ack_queue; 1471da177e4SLinus Torvalds struct rose_facilities_struct facilities; 1481da177e4SLinus Torvalds struct timer_list timer; 1491da177e4SLinus Torvalds struct timer_list idletimer; 1501da177e4SLinus Torvalds }; 1511da177e4SLinus Torvalds 1521da177e4SLinus Torvalds #define rose_sk(sk) ((struct rose_sock *)(sk)) 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds /* af_rose.c */ 1551da177e4SLinus Torvalds extern ax25_address rose_callsign; 1561da177e4SLinus Torvalds extern int sysctl_rose_restart_request_timeout; 1571da177e4SLinus Torvalds extern int sysctl_rose_call_request_timeout; 1581da177e4SLinus Torvalds extern int sysctl_rose_reset_request_timeout; 1591da177e4SLinus Torvalds extern int sysctl_rose_clear_request_timeout; 1601da177e4SLinus Torvalds extern int sysctl_rose_no_activity_timeout; 1611da177e4SLinus Torvalds extern int sysctl_rose_ack_hold_back_timeout; 1621da177e4SLinus Torvalds extern int sysctl_rose_routing_control; 1631da177e4SLinus Torvalds extern int sysctl_rose_link_fail_timeout; 1641da177e4SLinus Torvalds extern int sysctl_rose_maximum_vcs; 1651da177e4SLinus Torvalds extern int sysctl_rose_window_size; 16654df3b96SJoe Perches 167db957324SJakub Kicinski int rosecmp(const rose_address *, const rose_address *); 168db957324SJakub Kicinski int rosecmpm(const rose_address *, const rose_address *, unsigned short); 16954df3b96SJoe Perches char *rose2asc(char *buf, const rose_address *); 17054df3b96SJoe Perches struct sock *rose_find_socket(unsigned int, struct rose_neigh *); 17154df3b96SJoe Perches void rose_kill_by_neigh(struct rose_neigh *); 17254df3b96SJoe Perches unsigned int rose_new_lci(struct rose_neigh *); 17354df3b96SJoe Perches int rose_rx_call_request(struct sk_buff *, struct net_device *, 17454df3b96SJoe Perches struct rose_neigh *, unsigned int); 17554df3b96SJoe Perches void rose_destroy_socket(struct sock *); 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds /* rose_dev.c */ 17854df3b96SJoe Perches void rose_setup(struct net_device *); 1791da177e4SLinus Torvalds 1801da177e4SLinus Torvalds /* rose_in.c */ 18154df3b96SJoe Perches int rose_process_rx_frame(struct sock *, struct sk_buff *); 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds /* rose_link.c */ 18454df3b96SJoe Perches void rose_start_ftimer(struct rose_neigh *); 18554df3b96SJoe Perches void rose_stop_ftimer(struct rose_neigh *); 18654df3b96SJoe Perches void rose_stop_t0timer(struct rose_neigh *); 18754df3b96SJoe Perches int rose_ftimer_running(struct rose_neigh *); 18854df3b96SJoe Perches void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, 18954df3b96SJoe Perches unsigned short); 19054df3b96SJoe Perches void rose_transmit_clear_request(struct rose_neigh *, unsigned int, 19154df3b96SJoe Perches unsigned char, unsigned char); 19254df3b96SJoe Perches void rose_transmit_link(struct sk_buff *, struct rose_neigh *); 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds /* rose_loopback.c */ 19554df3b96SJoe Perches void rose_loopback_init(void); 19654df3b96SJoe Perches void rose_loopback_clear(void); 19754df3b96SJoe Perches int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds /* rose_out.c */ 20054df3b96SJoe Perches void rose_kick(struct sock *); 20154df3b96SJoe Perches void rose_enquiry_response(struct sock *); 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds /* rose_route.c */ 204891e6a93SAlexey Dobriyan extern struct rose_neigh *rose_loopback_neigh; 205fddda2b7SChristoph Hellwig extern const struct seq_operations rose_neigh_seqops; 206fddda2b7SChristoph Hellwig extern const struct seq_operations rose_node_seqops; 207fddda2b7SChristoph Hellwig extern struct seq_operations rose_route_seqops; 2081da177e4SLinus Torvalds 20954df3b96SJoe Perches void rose_add_loopback_neigh(void); 210db957324SJakub Kicinski int __must_check rose_add_loopback_node(const rose_address *); 211db957324SJakub Kicinski void rose_del_loopback_node(const rose_address *); 21254df3b96SJoe Perches void rose_rt_device_down(struct net_device *); 21354df3b96SJoe Perches void rose_link_device_down(struct net_device *); 21454df3b96SJoe Perches struct net_device *rose_dev_first(void); 21554df3b96SJoe Perches struct net_device *rose_dev_get(rose_address *); 21654df3b96SJoe Perches struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); 21754df3b96SJoe Perches struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, 21854df3b96SJoe Perches unsigned char *, int); 21954df3b96SJoe Perches int rose_rt_ioctl(unsigned int, void __user *); 22054df3b96SJoe Perches void rose_link_failed(ax25_cb *, int); 22154df3b96SJoe Perches int rose_route_frame(struct sk_buff *, ax25_cb *); 22254df3b96SJoe Perches void rose_rt_free(void); 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds /* rose_subr.c */ 22554df3b96SJoe Perches void rose_clear_queues(struct sock *); 22654df3b96SJoe Perches void rose_frames_acked(struct sock *, unsigned short); 22754df3b96SJoe Perches void rose_requeue_frames(struct sock *); 22854df3b96SJoe Perches int rose_validate_nr(struct sock *, unsigned short); 22954df3b96SJoe Perches void rose_write_internal(struct sock *, int); 23054df3b96SJoe Perches int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); 23154df3b96SJoe Perches int rose_parse_facilities(unsigned char *, unsigned int, 23254df3b96SJoe Perches struct rose_facilities_struct *); 23354df3b96SJoe Perches void rose_disconnect(struct sock *, int, int, int); 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds /* rose_timer.c */ 23654df3b96SJoe Perches void rose_start_heartbeat(struct sock *); 23754df3b96SJoe Perches void rose_start_t1timer(struct sock *); 23854df3b96SJoe Perches void rose_start_t2timer(struct sock *); 23954df3b96SJoe Perches void rose_start_t3timer(struct sock *); 24054df3b96SJoe Perches void rose_start_hbtimer(struct sock *); 24154df3b96SJoe Perches void rose_start_idletimer(struct sock *); 24254df3b96SJoe Perches void rose_stop_heartbeat(struct sock *); 24354df3b96SJoe Perches void rose_stop_timer(struct sock *); 24454df3b96SJoe Perches void rose_stop_idletimer(struct sock *); 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds /* sysctl_net_rose.c */ 24754df3b96SJoe Perches void rose_register_sysctl(void); 24854df3b96SJoe Perches void rose_unregister_sysctl(void); 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds #endif 251