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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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#ifndef _X25_H#define _X25_H #include <linux/x25.h>#include <linux/slab.h>#include <linux/refcount.h>#include <net/sock.h>
#define X25_ADDR_LEN 16
#define X25_MAX_L2_LEN 18 /* 802.2 LLC */
#define X25_STD_MIN_LEN 3#define X25_EXT_MIN_LEN 4
#define X25_GFI_SEQ_MASK 0x30#define X25_GFI_STDSEQ 0x10#define X25_GFI_EXTSEQ 0x20
#define X25_Q_BIT 0x80#define X25_D_BIT 0x40#define X25_STD_M_BIT 0x10#define X25_EXT_M_BIT 0x01
#define X25_CALL_REQUEST 0x0B#define X25_CALL_ACCEPTED 0x0F#define X25_CLEAR_REQUEST 0x13#define X25_CLEAR_CONFIRMATION 0x17#define X25_DATA 0x00#define X25_INTERRUPT 0x23#define X25_INTERRUPT_CONFIRMATION 0x27#define X25_RR 0x01#define X25_RNR 0x05#define X25_REJ 0x09#define X25_RESET_REQUEST 0x1B#define X25_RESET_CONFIRMATION 0x1F#define X25_REGISTRATION_REQUEST 0xF3#define X25_REGISTRATION_CONFIRMATION 0xF7#define X25_RESTART_REQUEST 0xFB#define X25_RESTART_CONFIRMATION 0xFF#define X25_DIAGNOSTIC 0xF1#define X25_ILLEGAL 0xFD
/* Define the various conditions that may exist */
#define X25_COND_ACK_PENDING 0x01#define X25_COND_OWN_RX_BUSY 0x02#define X25_COND_PEER_RX_BUSY 0x04
/* Define Link State constants. */enum { X25_STATE_0, /* Ready */ X25_STATE_1, /* Awaiting Call Accepted */ X25_STATE_2, /* Awaiting Clear Confirmation */ X25_STATE_3, /* Data Transfer */ X25_STATE_4, /* Awaiting Reset Confirmation */ X25_STATE_5 /* Call Accepted / Call Connected pending */};
enum { X25_LINK_STATE_0, X25_LINK_STATE_1, X25_LINK_STATE_2, X25_LINK_STATE_3};
#define X25_DEFAULT_T20 (180 * HZ) /* Default T20 value */#define X25_DEFAULT_T21 (200 * HZ) /* Default T21 value */#define X25_DEFAULT_T22 (180 * HZ) /* Default T22 value */#define X25_DEFAULT_T23 (180 * HZ) /* Default T23 value */#define X25_DEFAULT_T2 (3 * HZ) /* Default ack holdback value */
#define X25_DEFAULT_WINDOW_SIZE 2 /* Default Window Size */#define X25_DEFAULT_PACKET_SIZE X25_PS128 /* Default Packet Size */#define X25_DEFAULT_THROUGHPUT 0x0A /* Default Throughput */#define X25_DEFAULT_REVERSE 0x00 /* Default Reverse Charging */
#define X25_SMODULUS 8#define X25_EMODULUS 128
/* * X.25 Facilities constants. */
#define X25_FAC_CLASS_MASK 0xC0
#define X25_FAC_CLASS_A 0x00#define X25_FAC_CLASS_B 0x40#define X25_FAC_CLASS_C 0x80#define X25_FAC_CLASS_D 0xC0
#define X25_FAC_REVERSE 0x01 /* also fast select */#define X25_FAC_THROUGHPUT 0x02#define X25_FAC_PACKET_SIZE 0x42#define X25_FAC_WINDOW_SIZE 0x43
#define X25_MAX_FAC_LEN 60#define X25_MAX_CUD_LEN 128
#define X25_FAC_CALLING_AE 0xCB#define X25_FAC_CALLED_AE 0xC9
#define X25_MARKER 0x00#define X25_DTE_SERVICES 0x0F#define X25_MAX_AE_LEN 40 /* Max num of semi-octets in AE - OSI Nw */#define X25_MAX_DTE_FACIL_LEN 21 /* Max length of DTE facility params */
/* Bitset in x25_sock->flags for misc flags */#define X25_Q_BIT_FLAG 0#define X25_INTERRUPT_FLAG 1#define X25_ACCPT_APPRV_FLAG 2
/** * struct x25_route - x25 routing entry * @node - entry in x25_list_lock * @address - Start of address range * @sigdigits - Number of sig digits * @dev - More than one for MLP * @refcnt - reference counter */struct x25_route { struct list_head node; struct x25_address address; unsigned int sigdigits; struct net_device *dev; refcount_t refcnt;};
struct x25_neigh { struct list_head node; struct net_device *dev; unsigned int state; unsigned int extended; struct sk_buff_head queue; unsigned long t20; struct timer_list t20timer; unsigned long global_facil_mask; refcount_t refcnt;};
struct x25_sock { struct sock sk; struct x25_address source_addr, dest_addr; struct x25_neigh *neighbour; unsigned int lci, cudmatchlength; unsigned char state, condition; unsigned short vs, vr, va, vl; unsigned long t2, t21, t22, t23; unsigned short fraglen; unsigned long flags; struct sk_buff_head ack_queue; struct sk_buff_head fragment_queue; struct sk_buff_head interrupt_in_queue; struct sk_buff_head interrupt_out_queue; struct timer_list timer; struct x25_causediag causediag; struct x25_facilities facilities; struct x25_dte_facilities dte_facilities; struct x25_calluserdata calluserdata; unsigned long vc_facil_mask; /* inc_call facilities mask */};
struct x25_forward { struct list_head node; unsigned int lci; struct net_device *dev1; struct net_device *dev2; atomic_t refcnt;};
#define x25_sk(ptr) container_of_const(ptr, struct x25_sock, sk)
/* af_x25.c */extern int sysctl_x25_restart_request_timeout;extern int sysctl_x25_call_request_timeout;extern int sysctl_x25_reset_request_timeout;extern int sysctl_x25_clear_request_timeout;extern int sysctl_x25_ack_holdback_timeout;extern int sysctl_x25_forward;
int x25_parse_address_block(struct sk_buff *skb, struct x25_address *called_addr, struct x25_address *calling_addr);
int x25_addr_ntoa(unsigned char *, struct x25_address *, struct x25_address *);int x25_addr_aton(unsigned char *, struct x25_address *, struct x25_address *);struct sock *x25_find_socket(unsigned int, struct x25_neigh *);void x25_destroy_socket_from_timer(struct sock *);int x25_rx_call_request(struct sk_buff *, struct x25_neigh *, unsigned int);void x25_kill_by_neigh(struct x25_neigh *);
/* x25_dev.c */void x25_send_frame(struct sk_buff *, struct x25_neigh *);int x25_lapb_receive_frame(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);void x25_establish_link(struct x25_neigh *);
/* x25_facilities.c */int x25_parse_facilities(struct sk_buff *, struct x25_facilities *, struct x25_dte_facilities *, unsigned long *);int x25_create_facilities(unsigned char *, struct x25_facilities *, struct x25_dte_facilities *, unsigned long);int x25_negotiate_facilities(struct sk_buff *, struct sock *, struct x25_facilities *, struct x25_dte_facilities *);void x25_limit_facilities(struct x25_facilities *, struct x25_neigh *);
/* x25_forward.c */void x25_clear_forward_by_lci(unsigned int lci);void x25_clear_forward_by_dev(struct net_device *);int x25_forward_data(int, struct x25_neigh *, struct sk_buff *);int x25_forward_call(struct x25_address *, struct x25_neigh *, struct sk_buff *, int);
/* x25_in.c */int x25_process_rx_frame(struct sock *, struct sk_buff *);int x25_backlog_rcv(struct sock *, struct sk_buff *);
/* x25_link.c */void x25_link_control(struct sk_buff *, struct x25_neigh *, unsigned short);void x25_link_device_up(struct net_device *);void x25_link_device_down(struct net_device *);void x25_link_established(struct x25_neigh *);void x25_link_terminated(struct x25_neigh *);void x25_transmit_clear_request(struct x25_neigh *, unsigned int, unsigned char);void x25_transmit_link(struct sk_buff *, struct x25_neigh *);int x25_subscr_ioctl(unsigned int, void __user *);struct x25_neigh *x25_get_neigh(struct net_device *);void x25_link_free(void);
/* x25_neigh.c */static __inline__ void x25_neigh_hold(struct x25_neigh *nb){ refcount_inc(&nb->refcnt);}
static __inline__ void x25_neigh_put(struct x25_neigh *nb){ if (refcount_dec_and_test(&nb->refcnt)) kfree(nb);}
/* x25_out.c */int x25_output(struct sock *, struct sk_buff *);void x25_kick(struct sock *);void x25_enquiry_response(struct sock *);
/* x25_route.c */struct x25_route *x25_get_route(struct x25_address *addr);struct net_device *x25_dev_get(char *);void x25_route_device_down(struct net_device *dev);int x25_route_ioctl(unsigned int, void __user *);void x25_route_free(void);
static __inline__ void x25_route_hold(struct x25_route *rt){ refcount_inc(&rt->refcnt);}
static __inline__ void x25_route_put(struct x25_route *rt){ if (refcount_dec_and_test(&rt->refcnt)) kfree(rt);}
/* x25_subr.c */void x25_clear_queues(struct sock *);void x25_frames_acked(struct sock *, unsigned short);void x25_requeue_frames(struct sock *);int x25_validate_nr(struct sock *, unsigned short);void x25_write_internal(struct sock *, int);int x25_decode(struct sock *, struct sk_buff *, int *, int *, int *, int *, int *);void x25_disconnect(struct sock *, int, unsigned char, unsigned char);
/* x25_timer.c */void x25_init_timers(struct sock *sk);void x25_start_heartbeat(struct sock *);void x25_start_t2timer(struct sock *);void x25_start_t21timer(struct sock *);void x25_start_t22timer(struct sock *);void x25_start_t23timer(struct sock *);void x25_stop_heartbeat(struct sock *);void x25_stop_timer(struct sock *);unsigned long x25_display_timer(struct sock *);void x25_check_rbuf(struct sock *);
/* sysctl_net_x25.c */#ifdef CONFIG_SYSCTLint x25_register_sysctl(void);void x25_unregister_sysctl(void);#elsestatic inline int x25_register_sysctl(void) { return 0; };static inline void x25_unregister_sysctl(void) {};#endif /* CONFIG_SYSCTL */
struct x25_skb_cb { unsigned int flags;};#define X25_SKB_CB(s) ((struct x25_skb_cb *) ((s)->cb))
extern struct hlist_head x25_list;extern rwlock_t x25_list_lock;extern struct list_head x25_route_list;extern rwlock_t x25_route_list_lock;extern struct list_head x25_forward_list;extern rwlock_t x25_forward_list_lock;extern struct list_head x25_neigh_list;extern rwlock_t x25_neigh_list_lock;
int x25_proc_init(void);void x25_proc_exit(void);#endif