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/* 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 file_operations rose_neigh_fops;
extern const struct file_operations rose_nodes_fops;
extern const struct file_operations rose_routes_fops;

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

Filemanager

Name Type Size Permission Actions
9p Folder 0755
bluetooth Folder 0755
caif Folder 0755
iucv Folder 0755
netfilter Folder 0755
netns Folder 0755
nfc Folder 0755
phonet Folder 0755
sctp Folder 0755
tc_act Folder 0755
6lowpan.h File 10.03 KB 0644
Space.h File 1.15 KB 0644
act_api.h File 6.38 KB 0644
addrconf.h File 12.63 KB 0644
af_ieee802154.h File 1.55 KB 0644
af_rxrpc.h File 2.79 KB 0644
af_unix.h File 2.22 KB 0644
af_vsock.h File 7.21 KB 0644
ah.h File 382 B 0644
arp.h File 2 KB 0644
atmclip.h File 1.48 KB 0644
ax25.h File 15.02 KB 0644
ax88796.h File 998 B 0644
bond_3ad.h File 9.79 KB 0644
bond_alb.h File 6.6 KB 0644
bond_options.h File 3.92 KB 0644
bonding.h File 19.1 KB 0644
busy_poll.h File 3.8 KB 0644
calipso.h File 2.15 KB 0644
cfg80211-wext.h File 1.95 KB 0644
cfg80211.h File 221.24 KB 0644
cfg802154.h File 10.89 KB 0644
checksum.h File 4.76 KB 0644
cipso_ipv4.h File 8.2 KB 0644
cls_cgroup.h File 2.15 KB 0644
codel.h File 5.65 KB 0644
codel_impl.h File 7.98 KB 0644
codel_qdisc.h File 2.9 KB 0644
compat.h File 2.11 KB 0644
datalink.h File 619 B 0644
dcbevent.h File 1.26 KB 0644
dcbnl.h File 4.2 KB 0644
devlink.h File 13.25 KB 0644
dn.h File 6.88 KB 0644
dn_dev.h File 5.36 KB 0644
dn_fib.h File 3.98 KB 0644
dn_neigh.h File 968 B 0644
dn_nsp.h File 5.83 KB 0644
dn_route.h File 4.36 KB 0644
dsa.h File 13.94 KB 0644
dsfield.h File 1.11 KB 0644
dst.h File 13.48 KB 0644
dst_cache.h File 2.53 KB 0644
dst_metadata.h File 5.39 KB 0644
dst_ops.h File 2 KB 0644
erspan.h File 2.11 KB 0644
esp.h File 877 B 0644
ethoc.h File 538 B 0644
fib_notifier.h File 1.29 KB 0644
fib_rules.h File 4.18 KB 0644
firewire.h File 636 B 0644
flow.h File 6.16 KB 0644
flow_dissector.h File 7.55 KB 0644
fou.h File 549 B 0644
fq.h File 2.67 KB 0644
fq_impl.h File 6.9 KB 0644
garp.h File 2.62 KB 0644
gen_stats.h File 2.34 KB 0644
genetlink.h File 11.3 KB 0644
geneve.h File 1.67 KB 0644
gre.h File 2.99 KB 0644
gro_cells.h File 443 B 0644
gtp.h File 633 B 0644
gue.h File 3.23 KB 0644
hwbm.h File 937 B 0644
icmp.h File 2.01 KB 0644
ieee80211_radiotap.h File 6.63 KB 0644
ieee802154_netdev.h File 9.14 KB 0644
if_inet6.h File 6.13 KB 0644
ife.h File 1.06 KB 0644
ila.h File 498 B 0644
inet6_connection_sock.h File 976 B 0644
inet6_hashtables.h File 3.7 KB 0644
inet_common.h File 1.89 KB 0644
inet_connection_sock.h File 10.48 KB 0644
inet_ecn.h File 6.02 KB 0644
inet_frag.h File 4.51 KB 0644
inet_hashtables.h File 12.91 KB 0644
inet_sock.h File 8.25 KB 0644
inet_timewait_sock.h File 3.82 KB 0644
inetpeer.h File 3.29 KB 0644
ip.h File 18.51 KB 0644
ip6_checksum.h File 2.89 KB 0644
ip6_fib.h File 10.04 KB 0644
ip6_route.h File 7.63 KB 0644
ip6_tunnel.h File 4.72 KB 0644
ip_fib.h File 10.72 KB 0644
ip_tunnels.h File 13.61 KB 0644
ip_vs.h File 46.78 KB 0644
ipcomp.h File 659 B 0644
ipconfig.h File 811 B 0644
ipv6.h File 29.97 KB 0644
ipv6_frag.h File 2.54 KB 0644
ipx.h File 4.4 KB 0644
iw_handler.h File 20.91 KB 0644
kcm.h File 4.96 KB 0644
l3mdev.h File 5.86 KB 0644
lapb.h File 4.75 KB 0644
lib80211.h File 3.92 KB 0644
llc.h File 4.41 KB 0644
llc_c_ac.h File 9.31 KB 0644
llc_c_ev.h File 10.68 KB 0644
llc_c_st.h File 1.72 KB 0644
llc_conn.h File 4.06 KB 0644
llc_if.h File 2.16 KB 0644
llc_pdu.h File 14.44 KB 0644
llc_s_ac.h File 1.55 KB 0644
llc_s_ev.h File 2.2 KB 0644
llc_s_st.h File 947 B 0644
llc_sap.h File 1.08 KB 0644
lwtunnel.h File 5.84 KB 0644
mac80211.h File 230.36 KB 0644
mac802154.h File 15.27 KB 0644
mip6.h File 1.58 KB 0644
mld.h File 2.8 KB 0644
mpls.h File 932 B 0644
mpls_iptunnel.h File 827 B 0644
mrp.h File 3.03 KB 0644
ncsi.h File 1.92 KB 0644
ndisc.h File 13.77 KB 0644
neighbour.h File 15.06 KB 0644
net_namespace.h File 10.08 KB 0644
net_ratelimit.h File 220 B 0644
netevent.h File 910 B 0644
netlabel.h File 20.74 KB 0644
netlink.h File 40.39 KB 0644
netprio_cgroup.h File 1.24 KB 0644
netrom.h File 7.68 KB 0644
nexthop.h File 865 B 0644
nl802154.h File 12.09 KB 0644
nsh.h File 12.31 KB 0644
p8022.h File 447 B 0644
ping.h File 3.45 KB 0644
pkt_cls.h File 17.34 KB 0644
pkt_sched.h File 4.05 KB 0644
pptp.h File 557 B 0644
protocol.h File 4.08 KB 0644
psample.h File 860 B 0644
psnap.h File 351 B 0644
raw.h File 2.07 KB 0644
rawv6.h File 854 B 0644
red.h File 10.45 KB 0644
regulatory.h File 10.12 KB 0644
request_sock.h File 6.46 KB 0644
rose.h File 7.62 KB 0644
route.h File 10.02 KB 0644
rtnetlink.h File 6.13 KB 0644
sch_generic.h File 23.3 KB 0644
scm.h File 3.5 KB 0644
secure_seq.h File 855 B 0644
seg6.h File 1.66 KB 0644
seg6_hmac.h File 1.65 KB 0644
slhc_vj.h File 6.67 KB 0644
smc.h File 440 B 0644
snmp.h File 5.23 KB 0644
sock.h File 69.75 KB 0644
sock_reuseport.h File 863 B 0644
stp.h File 383 B 0644
strparser.h File 3.75 KB 0644
switchdev.h File 6.52 KB 0644
tcp.h File 62.8 KB 0644
tcp_states.h File 1.26 KB 0644
timewait_sock.h File 1.11 KB 0644
tipc.h File 2.34 KB 0644
tls.h File 7.12 KB 0644
transp_v6.h File 2.08 KB 0644
tso.h File 515 B 0644
tun_proto.h File 988 B 0644
udp.h File 12.82 KB 0644
udp_tunnel.h File 5.12 KB 0644
udplite.h File 3.83 KB 0644
vsock_addr.h File 1.05 KB 0644
vxlan.h File 10.43 KB 0644
wext.h File 1.51 KB 0644
wimax.h File 19.97 KB 0644
x25.h File 9.43 KB 0644
x25device.h File 387 B 0644
xfrm.h File 53.72 KB 0644