include/net/rose.h - third_party/linux - Git at Google

 /* 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/ax25.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;
 	netdevice_tracker	dev_tracker;
 	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(const rose_address *, const rose_address *);
 int rosecmpm(const rose_address *, const 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(const rose_address *);
 void rose_del_loopback_node(const 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
	/* 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/ax25.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;
	netdevice_tracker dev_tracker;
	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(const rose_address , const rose_address );
	int rosecmpm(const rose_address , const 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(const rose_address *);
	void rose_del_loopback_node(const 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