| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | *	Declarations of Rose type objects. | 
|  | 3 | * | 
|  | 4 | *	Jonathan Naylor G4KLX	25/8/96 | 
|  | 5 | */ | 
|  | 6 |  | 
|  | 7 | #ifndef _ROSE_H | 
|  | 8 | #define _ROSE_H | 
|  | 9 |  | 
|  | 10 | #include <linux/rose.h> | 
|  | 11 | #include <net/sock.h> | 
|  | 12 |  | 
|  | 13 | #define	ROSE_ADDR_LEN			5 | 
|  | 14 |  | 
|  | 15 | #define	ROSE_MIN_LEN			3 | 
|  | 16 |  | 
|  | 17 | #define	ROSE_CALL_REQ_ADDR_LEN_OFF	3 | 
|  | 18 | #define	ROSE_CALL_REQ_ADDR_LEN_VAL	0xAA	/* each address is 10 digits */ | 
|  | 19 | #define	ROSE_CALL_REQ_DEST_ADDR_OFF	4 | 
|  | 20 | #define	ROSE_CALL_REQ_SRC_ADDR_OFF	9 | 
|  | 21 | #define	ROSE_CALL_REQ_FACILITIES_OFF	14 | 
|  | 22 |  | 
|  | 23 | #define	ROSE_GFI			0x10 | 
|  | 24 | #define	ROSE_Q_BIT			0x80 | 
|  | 25 | #define	ROSE_D_BIT			0x40 | 
|  | 26 | #define	ROSE_M_BIT			0x10 | 
|  | 27 |  | 
|  | 28 | #define	ROSE_CALL_REQUEST		0x0B | 
|  | 29 | #define	ROSE_CALL_ACCEPTED		0x0F | 
|  | 30 | #define	ROSE_CLEAR_REQUEST		0x13 | 
|  | 31 | #define	ROSE_CLEAR_CONFIRMATION		0x17 | 
|  | 32 | #define	ROSE_DATA			0x00 | 
|  | 33 | #define	ROSE_INTERRUPT			0x23 | 
|  | 34 | #define	ROSE_INTERRUPT_CONFIRMATION	0x27 | 
|  | 35 | #define	ROSE_RR				0x01 | 
|  | 36 | #define	ROSE_RNR			0x05 | 
|  | 37 | #define	ROSE_REJ			0x09 | 
|  | 38 | #define	ROSE_RESET_REQUEST		0x1B | 
|  | 39 | #define	ROSE_RESET_CONFIRMATION		0x1F | 
|  | 40 | #define	ROSE_REGISTRATION_REQUEST	0xF3 | 
|  | 41 | #define	ROSE_REGISTRATION_CONFIRMATION	0xF7 | 
|  | 42 | #define	ROSE_RESTART_REQUEST		0xFB | 
|  | 43 | #define	ROSE_RESTART_CONFIRMATION	0xFF | 
|  | 44 | #define	ROSE_DIAGNOSTIC			0xF1 | 
|  | 45 | #define	ROSE_ILLEGAL			0xFD | 
|  | 46 |  | 
|  | 47 | /* Define Link State constants. */ | 
|  | 48 |  | 
|  | 49 | enum { | 
|  | 50 | ROSE_STATE_0,			/* Ready */ | 
|  | 51 | ROSE_STATE_1,			/* Awaiting Call Accepted */ | 
|  | 52 | ROSE_STATE_2,			/* Awaiting Clear Confirmation */ | 
|  | 53 | ROSE_STATE_3,			/* Data Transfer */ | 
|  | 54 | ROSE_STATE_4,			/* Awaiting Reset Confirmation */ | 
|  | 55 | ROSE_STATE_5			/* Deferred Call Acceptance */ | 
|  | 56 | }; | 
|  | 57 |  | 
|  | 58 | #define ROSE_DEFAULT_T0			180000		/* Default T10 T20 value */ | 
|  | 59 | #define ROSE_DEFAULT_T1			200000		/* Default T11 T21 value */ | 
|  | 60 | #define ROSE_DEFAULT_T2			180000		/* Default T12 T22 value */ | 
|  | 61 | #define	ROSE_DEFAULT_T3			180000		/* Default T13 T23 value */ | 
|  | 62 | #define	ROSE_DEFAULT_HB			5000		/* Default Holdback value */ | 
|  | 63 | #define	ROSE_DEFAULT_IDLE		0		/* No Activity Timeout - none */ | 
|  | 64 | #define	ROSE_DEFAULT_ROUTING		1		/* Default routing flag */ | 
|  | 65 | #define	ROSE_DEFAULT_FAIL_TIMEOUT	120000		/* Time until link considered usable */ | 
|  | 66 | #define	ROSE_DEFAULT_MAXVC		50		/* Maximum number of VCs per neighbour */ | 
|  | 67 | #define	ROSE_DEFAULT_WINDOW_SIZE	7		/* Default window size */ | 
|  | 68 |  | 
|  | 69 | #define ROSE_MODULUS 			8 | 
|  | 70 | #define	ROSE_MAX_PACKET_SIZE		251		/* Maximum packet size */ | 
|  | 71 |  | 
|  | 72 | #define	ROSE_COND_ACK_PENDING		0x01 | 
|  | 73 | #define	ROSE_COND_PEER_RX_BUSY		0x02 | 
|  | 74 | #define	ROSE_COND_OWN_RX_BUSY		0x04 | 
|  | 75 |  | 
|  | 76 | #define	FAC_NATIONAL			0x00 | 
|  | 77 | #define	FAC_CCITT			0x0F | 
|  | 78 |  | 
|  | 79 | #define	FAC_NATIONAL_RAND		0x7F | 
|  | 80 | #define	FAC_NATIONAL_FLAGS		0x3F | 
|  | 81 | #define	FAC_NATIONAL_DEST_DIGI		0xE9 | 
|  | 82 | #define	FAC_NATIONAL_SRC_DIGI		0xEB | 
|  | 83 | #define	FAC_NATIONAL_FAIL_CALL		0xED | 
|  | 84 | #define	FAC_NATIONAL_FAIL_ADD		0xEE | 
|  | 85 | #define	FAC_NATIONAL_DIGIS			0xEF | 
|  | 86 |  | 
|  | 87 | #define	FAC_CCITT_DEST_NSAP		0xC9 | 
|  | 88 | #define	FAC_CCITT_SRC_NSAP		0xCB | 
|  | 89 |  | 
|  | 90 | struct rose_neigh { | 
|  | 91 | struct rose_neigh	*next; | 
|  | 92 | ax25_address		callsign; | 
|  | 93 | ax25_digi		*digipeat; | 
|  | 94 | ax25_cb			*ax25; | 
|  | 95 | struct net_device		*dev; | 
|  | 96 | unsigned short		count; | 
|  | 97 | unsigned short		use; | 
|  | 98 | unsigned int		number; | 
|  | 99 | char			restarted; | 
|  | 100 | char			dce_mode; | 
|  | 101 | char			loopback; | 
|  | 102 | struct sk_buff_head	queue; | 
|  | 103 | struct timer_list	t0timer; | 
|  | 104 | struct timer_list	ftimer; | 
|  | 105 | }; | 
|  | 106 |  | 
|  | 107 | struct rose_node { | 
|  | 108 | struct rose_node	*next; | 
|  | 109 | rose_address		address; | 
|  | 110 | unsigned short		mask; | 
|  | 111 | unsigned char		count; | 
|  | 112 | char			loopback; | 
|  | 113 | struct rose_neigh	*neighbour[3]; | 
|  | 114 | }; | 
|  | 115 |  | 
|  | 116 | struct rose_route { | 
|  | 117 | struct rose_route	*next; | 
|  | 118 | unsigned int		lci1, lci2; | 
|  | 119 | rose_address		src_addr, dest_addr; | 
|  | 120 | ax25_address		src_call, dest_call; | 
|  | 121 | struct rose_neigh 	*neigh1, *neigh2; | 
|  | 122 | unsigned int		rand; | 
|  | 123 | }; | 
|  | 124 |  | 
|  | 125 | struct rose_sock { | 
|  | 126 | struct sock		sock; | 
|  | 127 | rose_address		source_addr,   dest_addr; | 
|  | 128 | ax25_address		source_call,   dest_call; | 
|  | 129 | unsigned char		source_ndigis, dest_ndigis; | 
|  | 130 | ax25_address		source_digis[ROSE_MAX_DIGIS]; | 
|  | 131 | ax25_address		dest_digis[ROSE_MAX_DIGIS]; | 
|  | 132 | struct rose_neigh	*neighbour; | 
|  | 133 | struct net_device		*device; | 
|  | 134 | unsigned int		lci, rand; | 
|  | 135 | unsigned char		state, condition, qbitincl, defer; | 
|  | 136 | unsigned char		cause, diagnostic; | 
|  | 137 | unsigned short		vs, vr, va, vl; | 
|  | 138 | unsigned long		t1, t2, t3, hb, idle; | 
|  | 139 | #ifdef M_BIT | 
|  | 140 | unsigned short		fraglen; | 
|  | 141 | struct sk_buff_head	frag_queue; | 
|  | 142 | #endif | 
|  | 143 | struct sk_buff_head	ack_queue; | 
|  | 144 | struct rose_facilities_struct facilities; | 
|  | 145 | struct timer_list	timer; | 
|  | 146 | struct timer_list	idletimer; | 
|  | 147 | }; | 
|  | 148 |  | 
|  | 149 | #define rose_sk(sk) ((struct rose_sock *)(sk)) | 
|  | 150 |  | 
|  | 151 | /* af_rose.c */ | 
|  | 152 | extern ax25_address rose_callsign; | 
|  | 153 | extern int  sysctl_rose_restart_request_timeout; | 
|  | 154 | extern int  sysctl_rose_call_request_timeout; | 
|  | 155 | extern int  sysctl_rose_reset_request_timeout; | 
|  | 156 | extern int  sysctl_rose_clear_request_timeout; | 
|  | 157 | extern int  sysctl_rose_no_activity_timeout; | 
|  | 158 | extern int  sysctl_rose_ack_hold_back_timeout; | 
|  | 159 | extern int  sysctl_rose_routing_control; | 
|  | 160 | extern int  sysctl_rose_link_fail_timeout; | 
|  | 161 | extern int  sysctl_rose_maximum_vcs; | 
|  | 162 | extern int  sysctl_rose_window_size; | 
|  | 163 | extern int  rosecmp(rose_address *, rose_address *); | 
|  | 164 | extern int  rosecmpm(rose_address *, rose_address *, unsigned short); | 
|  | 165 | extern char *rose2asc(char *buf, const rose_address *); | 
|  | 166 | extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *); | 
|  | 167 | extern void rose_kill_by_neigh(struct rose_neigh *); | 
|  | 168 | extern unsigned int rose_new_lci(struct rose_neigh *); | 
|  | 169 | extern int  rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int); | 
|  | 170 | extern void rose_destroy_socket(struct sock *); | 
|  | 171 |  | 
|  | 172 | /* rose_dev.c */ | 
|  | 173 | extern void  rose_setup(struct net_device *); | 
|  | 174 |  | 
|  | 175 | /* rose_in.c */ | 
|  | 176 | extern int  rose_process_rx_frame(struct sock *, struct sk_buff *); | 
|  | 177 |  | 
|  | 178 | /* rose_link.c */ | 
|  | 179 | extern void rose_start_ftimer(struct rose_neigh *); | 
|  | 180 | extern void rose_stop_ftimer(struct rose_neigh *); | 
|  | 181 | extern void rose_stop_t0timer(struct rose_neigh *); | 
|  | 182 | extern int  rose_ftimer_running(struct rose_neigh *); | 
|  | 183 | extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); | 
|  | 184 | extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); | 
|  | 185 | extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *); | 
|  | 186 |  | 
|  | 187 | /* rose_loopback.c */ | 
|  | 188 | extern void rose_loopback_init(void); | 
|  | 189 | extern void rose_loopback_clear(void); | 
|  | 190 | extern int  rose_loopback_queue(struct sk_buff *, struct rose_neigh *); | 
|  | 191 |  | 
|  | 192 | /* rose_out.c */ | 
|  | 193 | extern void rose_kick(struct sock *); | 
|  | 194 | extern void rose_enquiry_response(struct sock *); | 
|  | 195 |  | 
|  | 196 | /* rose_route.c */ | 
|  | 197 | extern struct rose_neigh *rose_loopback_neigh; | 
|  | 198 | extern const struct file_operations rose_neigh_fops; | 
|  | 199 | extern const struct file_operations rose_nodes_fops; | 
|  | 200 | extern const struct file_operations rose_routes_fops; | 
|  | 201 |  | 
|  | 202 | extern void rose_add_loopback_neigh(void); | 
|  | 203 | extern int __must_check rose_add_loopback_node(rose_address *); | 
|  | 204 | extern void rose_del_loopback_node(rose_address *); | 
|  | 205 | extern void rose_rt_device_down(struct net_device *); | 
|  | 206 | extern void rose_link_device_down(struct net_device *); | 
|  | 207 | extern struct net_device *rose_dev_first(void); | 
|  | 208 | extern struct net_device *rose_dev_get(rose_address *); | 
|  | 209 | extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); | 
|  | 210 | extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *, int); | 
|  | 211 | extern int  rose_rt_ioctl(unsigned int, void __user *); | 
|  | 212 | extern void rose_link_failed(ax25_cb *, int); | 
|  | 213 | extern int  rose_route_frame(struct sk_buff *, ax25_cb *); | 
|  | 214 | extern void rose_rt_free(void); | 
|  | 215 |  | 
|  | 216 | /* rose_subr.c */ | 
|  | 217 | extern void rose_clear_queues(struct sock *); | 
|  | 218 | extern void rose_frames_acked(struct sock *, unsigned short); | 
|  | 219 | extern void rose_requeue_frames(struct sock *); | 
|  | 220 | extern int  rose_validate_nr(struct sock *, unsigned short); | 
|  | 221 | extern void rose_write_internal(struct sock *, int); | 
|  | 222 | extern int  rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); | 
|  | 223 | extern int  rose_parse_facilities(unsigned char *, unsigned int, struct rose_facilities_struct *); | 
|  | 224 | extern void rose_disconnect(struct sock *, int, int, int); | 
|  | 225 |  | 
|  | 226 | /* rose_timer.c */ | 
|  | 227 | extern void rose_start_heartbeat(struct sock *); | 
|  | 228 | extern void rose_start_t1timer(struct sock *); | 
|  | 229 | extern void rose_start_t2timer(struct sock *); | 
|  | 230 | extern void rose_start_t3timer(struct sock *); | 
|  | 231 | extern void rose_start_hbtimer(struct sock *); | 
|  | 232 | extern void rose_start_idletimer(struct sock *); | 
|  | 233 | extern void rose_stop_heartbeat(struct sock *); | 
|  | 234 | extern void rose_stop_timer(struct sock *); | 
|  | 235 | extern void rose_stop_idletimer(struct sock *); | 
|  | 236 |  | 
|  | 237 | /* sysctl_net_rose.c */ | 
|  | 238 | extern void rose_register_sysctl(void); | 
|  | 239 | extern void rose_unregister_sysctl(void); | 
|  | 240 |  | 
|  | 241 | #endif |