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linux/include/net/rose.h
Joe Perches 54df3b961d rose.h: Remove extern from function prototypes 
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-23 01:51:08 -04:00

248 lines
7.6 KiB
C
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/*
* 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
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