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248 lines
7.6 KiB
248 lines
7.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Declarations of Rose type objects. |
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* |
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* Jonathan Naylor G4KLX 25/8/96 |
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*/ |
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#ifndef _ROSE_H |
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#define _ROSE_H |
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#include <linux/rose.h> |
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#include <net/sock.h> |
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#define ROSE_ADDR_LEN 5 |
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#define ROSE_MIN_LEN 3 |
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#define ROSE_CALL_REQ_ADDR_LEN_OFF 3 |
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#define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */ |
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#define ROSE_CALL_REQ_DEST_ADDR_OFF 4 |
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#define ROSE_CALL_REQ_SRC_ADDR_OFF 9 |
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#define ROSE_CALL_REQ_FACILITIES_OFF 14 |
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#define ROSE_GFI 0x10 |
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#define ROSE_Q_BIT 0x80 |
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#define ROSE_D_BIT 0x40 |
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#define ROSE_M_BIT 0x10 |
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#define ROSE_CALL_REQUEST 0x0B |
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#define ROSE_CALL_ACCEPTED 0x0F |
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#define ROSE_CLEAR_REQUEST 0x13 |
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#define ROSE_CLEAR_CONFIRMATION 0x17 |
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#define ROSE_DATA 0x00 |
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#define ROSE_INTERRUPT 0x23 |
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#define ROSE_INTERRUPT_CONFIRMATION 0x27 |
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#define ROSE_RR 0x01 |
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#define ROSE_RNR 0x05 |
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#define ROSE_REJ 0x09 |
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#define ROSE_RESET_REQUEST 0x1B |
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#define ROSE_RESET_CONFIRMATION 0x1F |
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#define ROSE_REGISTRATION_REQUEST 0xF3 |
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#define ROSE_REGISTRATION_CONFIRMATION 0xF7 |
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#define ROSE_RESTART_REQUEST 0xFB |
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#define ROSE_RESTART_CONFIRMATION 0xFF |
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#define ROSE_DIAGNOSTIC 0xF1 |
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#define ROSE_ILLEGAL 0xFD |
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/* Define Link State constants. */ |
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enum { |
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ROSE_STATE_0, /* Ready */ |
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ROSE_STATE_1, /* Awaiting Call Accepted */ |
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ROSE_STATE_2, /* Awaiting Clear Confirmation */ |
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ROSE_STATE_3, /* Data Transfer */ |
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ROSE_STATE_4, /* Awaiting Reset Confirmation */ |
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ROSE_STATE_5 /* Deferred Call Acceptance */ |
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}; |
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#define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */ |
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#define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */ |
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#define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */ |
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#define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */ |
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#define ROSE_DEFAULT_HB 5000 /* Default Holdback value */ |
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#define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */ |
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#define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ |
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#define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */ |
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#define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ |
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#define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */ |
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#define ROSE_MODULUS 8 |
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#define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */ |
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#define ROSE_COND_ACK_PENDING 0x01 |
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#define ROSE_COND_PEER_RX_BUSY 0x02 |
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#define ROSE_COND_OWN_RX_BUSY 0x04 |
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#define FAC_NATIONAL 0x00 |
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#define FAC_CCITT 0x0F |
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#define FAC_NATIONAL_RAND 0x7F |
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#define FAC_NATIONAL_FLAGS 0x3F |
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#define FAC_NATIONAL_DEST_DIGI 0xE9 |
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#define FAC_NATIONAL_SRC_DIGI 0xEB |
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#define FAC_NATIONAL_FAIL_CALL 0xED |
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#define FAC_NATIONAL_FAIL_ADD 0xEE |
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#define FAC_NATIONAL_DIGIS 0xEF |
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#define FAC_CCITT_DEST_NSAP 0xC9 |
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#define FAC_CCITT_SRC_NSAP 0xCB |
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struct rose_neigh { |
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struct rose_neigh *next; |
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ax25_address callsign; |
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ax25_digi *digipeat; |
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ax25_cb *ax25; |
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struct net_device *dev; |
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unsigned short count; |
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unsigned short use; |
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unsigned int number; |
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char restarted; |
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char dce_mode; |
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char loopback; |
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struct sk_buff_head queue; |
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struct timer_list t0timer; |
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struct timer_list ftimer; |
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}; |
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struct rose_node { |
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struct rose_node *next; |
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rose_address address; |
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unsigned short mask; |
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unsigned char count; |
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char loopback; |
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struct rose_neigh *neighbour[3]; |
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}; |
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struct rose_route { |
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struct rose_route *next; |
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unsigned int lci1, lci2; |
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rose_address src_addr, dest_addr; |
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ax25_address src_call, dest_call; |
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struct rose_neigh *neigh1, *neigh2; |
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unsigned int rand; |
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}; |
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struct rose_sock { |
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struct sock sock; |
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rose_address source_addr, dest_addr; |
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ax25_address source_call, dest_call; |
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unsigned char source_ndigis, dest_ndigis; |
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ax25_address source_digis[ROSE_MAX_DIGIS]; |
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ax25_address dest_digis[ROSE_MAX_DIGIS]; |
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struct rose_neigh *neighbour; |
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struct net_device *device; |
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unsigned int lci, rand; |
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unsigned char state, condition, qbitincl, defer; |
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unsigned char cause, diagnostic; |
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unsigned short vs, vr, va, vl; |
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unsigned long t1, t2, t3, hb, idle; |
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#ifdef M_BIT |
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unsigned short fraglen; |
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struct sk_buff_head frag_queue; |
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#endif |
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struct sk_buff_head ack_queue; |
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struct rose_facilities_struct facilities; |
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struct timer_list timer; |
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struct timer_list idletimer; |
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}; |
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#define rose_sk(sk) ((struct rose_sock *)(sk)) |
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/* af_rose.c */ |
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extern ax25_address rose_callsign; |
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extern int sysctl_rose_restart_request_timeout; |
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extern int sysctl_rose_call_request_timeout; |
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extern int sysctl_rose_reset_request_timeout; |
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extern int sysctl_rose_clear_request_timeout; |
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extern int sysctl_rose_no_activity_timeout; |
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extern int sysctl_rose_ack_hold_back_timeout; |
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extern int sysctl_rose_routing_control; |
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extern int sysctl_rose_link_fail_timeout; |
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extern int sysctl_rose_maximum_vcs; |
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extern int sysctl_rose_window_size; |
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int rosecmp(rose_address *, rose_address *); |
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int rosecmpm(rose_address *, rose_address *, unsigned short); |
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char *rose2asc(char *buf, const rose_address *); |
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struct sock *rose_find_socket(unsigned int, struct rose_neigh *); |
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void rose_kill_by_neigh(struct rose_neigh *); |
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unsigned int rose_new_lci(struct rose_neigh *); |
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int rose_rx_call_request(struct sk_buff *, struct net_device *, |
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struct rose_neigh *, unsigned int); |
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void rose_destroy_socket(struct sock *); |
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/* rose_dev.c */ |
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void rose_setup(struct net_device *); |
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/* rose_in.c */ |
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int rose_process_rx_frame(struct sock *, struct sk_buff *); |
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/* rose_link.c */ |
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void rose_start_ftimer(struct rose_neigh *); |
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void rose_stop_ftimer(struct rose_neigh *); |
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void rose_stop_t0timer(struct rose_neigh *); |
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int rose_ftimer_running(struct rose_neigh *); |
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void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, |
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unsigned short); |
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void rose_transmit_clear_request(struct rose_neigh *, unsigned int, |
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unsigned char, unsigned char); |
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void rose_transmit_link(struct sk_buff *, struct rose_neigh *); |
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/* rose_loopback.c */ |
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void rose_loopback_init(void); |
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void rose_loopback_clear(void); |
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int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); |
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/* rose_out.c */ |
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void rose_kick(struct sock *); |
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void rose_enquiry_response(struct sock *); |
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/* rose_route.c */ |
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extern struct rose_neigh *rose_loopback_neigh; |
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extern const struct seq_operations rose_neigh_seqops; |
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extern const struct seq_operations rose_node_seqops; |
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extern struct seq_operations rose_route_seqops; |
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void rose_add_loopback_neigh(void); |
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int __must_check rose_add_loopback_node(rose_address *); |
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void rose_del_loopback_node(rose_address *); |
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void rose_rt_device_down(struct net_device *); |
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void rose_link_device_down(struct net_device *); |
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struct net_device *rose_dev_first(void); |
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struct net_device *rose_dev_get(rose_address *); |
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struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); |
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struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, |
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unsigned char *, int); |
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int rose_rt_ioctl(unsigned int, void __user *); |
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void rose_link_failed(ax25_cb *, int); |
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int rose_route_frame(struct sk_buff *, ax25_cb *); |
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void rose_rt_free(void); |
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/* rose_subr.c */ |
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void rose_clear_queues(struct sock *); |
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void rose_frames_acked(struct sock *, unsigned short); |
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void rose_requeue_frames(struct sock *); |
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int rose_validate_nr(struct sock *, unsigned short); |
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void rose_write_internal(struct sock *, int); |
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int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); |
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int rose_parse_facilities(unsigned char *, unsigned int, |
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struct rose_facilities_struct *); |
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void rose_disconnect(struct sock *, int, int, int); |
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/* rose_timer.c */ |
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void rose_start_heartbeat(struct sock *); |
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void rose_start_t1timer(struct sock *); |
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void rose_start_t2timer(struct sock *); |
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void rose_start_t3timer(struct sock *); |
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void rose_start_hbtimer(struct sock *); |
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void rose_start_idletimer(struct sock *); |
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void rose_stop_heartbeat(struct sock *); |
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void rose_stop_timer(struct sock *); |
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void rose_stop_idletimer(struct sock *); |
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/* sysctl_net_rose.c */ |
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void rose_register_sysctl(void); |
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void rose_unregister_sysctl(void); |
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#endif
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