+++ /dev/null
-/*
- * Declarations of AX.25 type objects.
- *
- * Alan Cox (GW4PTS) 10/11/93
- */
-#ifndef _AX25_H
-#define _AX25_H
-
-#include <linux/ax25.h>
-#include <linux/spinlock.h>
-#include <linux/timer.h>
-#include <linux/list.h>
-#include <asm/atomic.h>
-
-#define AX25_T1CLAMPLO 1
-#define AX25_T1CLAMPHI (30 * HZ)
-
-#define AX25_BPQ_HEADER_LEN 16
-#define AX25_KISS_HEADER_LEN 1
-
-#define AX25_HEADER_LEN 17
-#define AX25_ADDR_LEN 7
-#define AX25_DIGI_HEADER_LEN (AX25_MAX_DIGIS * AX25_ADDR_LEN)
-#define AX25_MAX_HEADER_LEN (AX25_HEADER_LEN + AX25_DIGI_HEADER_LEN)
-
-/* AX.25 Protocol IDs */
-#define AX25_P_ROSE 0x01
-#define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */
- /* Van Jacobsen (RFC 1144) */
-#define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */
- /* Van Jacobsen (RFC 1144) */
-#define AX25_P_SEGMENT 0x08 /* Segmentation fragment */
-#define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */
-#define AX25_P_LQ 0xc4 /* Link Quality Protocol */
-#define AX25_P_ATALK 0xca /* Appletalk */
-#define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */
-#define AX25_P_IP 0xcc /* ARPA Internet Protocol */
-#define AX25_P_ARP 0xcd /* ARPA Address Resolution */
-#define AX25_P_FLEXNET 0xce /* FlexNet */
-#define AX25_P_NETROM 0xcf /* NET/ROM */
-#define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */
-
-/* AX.25 Segment control values */
-#define AX25_SEG_REM 0x7F
-#define AX25_SEG_FIRST 0x80
-
-#define AX25_CBIT 0x80 /* Command/Response bit */
-#define AX25_EBIT 0x01 /* HDLC Address Extension bit */
-#define AX25_HBIT 0x80 /* Has been repeated bit */
-
-#define AX25_SSSID_SPARE 0x60 /* Unused bits in SSID for standard AX.25 */
-#define AX25_ESSID_SPARE 0x20 /* Unused bits in SSID for extended AX.25 */
-#define AX25_DAMA_FLAG 0x20 /* Well, it is *NOT* unused! (dl1bke 951121 */
-
-#define AX25_COND_ACK_PENDING 0x01
-#define AX25_COND_REJECT 0x02
-#define AX25_COND_PEER_RX_BUSY 0x04
-#define AX25_COND_OWN_RX_BUSY 0x08
-#define AX25_COND_DAMA_MODE 0x10
-
-#ifndef _LINUX_NETDEVICE_H
-#include <linux/netdevice.h>
-#endif
-
-/* Upper sub-layer (LAPB) definitions */
-
-/* Control field templates */
-#define AX25_I 0x00 /* Information frames */
-#define AX25_S 0x01 /* Supervisory frames */
-#define AX25_RR 0x01 /* Receiver ready */
-#define AX25_RNR 0x05 /* Receiver not ready */
-#define AX25_REJ 0x09 /* Reject */
-#define AX25_U 0x03 /* Unnumbered frames */
-#define AX25_SABM 0x2f /* Set Asynchronous Balanced Mode */
-#define AX25_SABME 0x6f /* Set Asynchronous Balanced Mode Extended */
-#define AX25_DISC 0x43 /* Disconnect */
-#define AX25_DM 0x0f /* Disconnected mode */
-#define AX25_UA 0x63 /* Unnumbered acknowledge */
-#define AX25_FRMR 0x87 /* Frame reject */
-#define AX25_UI 0x03 /* Unnumbered information */
-#define AX25_XID 0xaf /* Exchange information */
-#define AX25_TEST 0xe3 /* Test */
-
-#define AX25_PF 0x10 /* Poll/final bit for standard AX.25 */
-#define AX25_EPF 0x01 /* Poll/final bit for extended AX.25 */
-
-#define AX25_ILLEGAL 0x100 /* Impossible to be a real frame type */
-
-#define AX25_POLLOFF 0
-#define AX25_POLLON 1
-
-/* AX25 L2 C-bit */
-#define AX25_COMMAND 1
-#define AX25_RESPONSE 2
-
-/* Define Link State constants. */
-
-enum {
- AX25_STATE_0, /* Listening */
- AX25_STATE_1, /* SABM sent */
- AX25_STATE_2, /* DISC sent */
- AX25_STATE_3, /* Established */
- AX25_STATE_4 /* Recovery */
-};
-
-#define AX25_MODULUS 8 /* Standard AX.25 modulus */
-#define AX25_EMODULUS 128 /* Extended AX.25 modulus */
-
-enum {
- AX25_PROTO_STD_SIMPLEX,
- AX25_PROTO_STD_DUPLEX,
-#ifdef CONFIG_AX25_DAMA_SLAVE
- AX25_PROTO_DAMA_SLAVE,
-#ifdef CONFIG_AX25_DAMA_MASTER
- AX25_PROTO_DAMA_MASTER,
-#define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER
-#endif
-#endif
- __AX25_PROTO_MAX,
- AX25_PROTO_MAX = __AX25_PROTO_MAX -1
-};
-
-enum {
- AX25_VALUES_IPDEFMODE, /* 0=DG 1=VC */
- AX25_VALUES_AXDEFMODE, /* 0=Normal 1=Extended Seq Nos */
- AX25_VALUES_BACKOFF, /* 0=None 1=Linear 2=Exponential */
- AX25_VALUES_CONMODE, /* Allow connected modes - 0=No 1=no "PID text" 2=all PIDs */
- AX25_VALUES_WINDOW, /* Default window size for standard AX.25 */
- AX25_VALUES_EWINDOW, /* Default window size for extended AX.25 */
- AX25_VALUES_T1, /* Default T1 timeout value */
- AX25_VALUES_T2, /* Default T2 timeout value */
- AX25_VALUES_T3, /* Default T3 timeout value */
- AX25_VALUES_IDLE, /* Connected mode idle timer */
- AX25_VALUES_N2, /* Default N2 value */
- AX25_VALUES_PACLEN, /* AX.25 MTU */
- AX25_VALUES_PROTOCOL, /* Std AX.25, DAMA Slave, DAMA Master */
- AX25_VALUES_DS_TIMEOUT, /* DAMA Slave timeout */
- AX25_MAX_VALUES /* THIS MUST REMAIN THE LAST ENTRY OF THIS LIST */
-};
-
-#define AX25_DEF_IPDEFMODE 0 /* Datagram */
-#define AX25_DEF_AXDEFMODE 0 /* Normal */
-#define AX25_DEF_BACKOFF 1 /* Linear backoff */
-#define AX25_DEF_CONMODE 2 /* Connected mode allowed */
-#define AX25_DEF_WINDOW 2 /* Window=2 */
-#define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */
-#define AX25_DEF_T1 10000 /* T1=10s */
-#define AX25_DEF_T2 3000 /* T2=3s */
-#define AX25_DEF_T3 300000 /* T3=300s */
-#define AX25_DEF_N2 10 /* N2=10 */
-#define AX25_DEF_IDLE 0 /* Idle=None */
-#define AX25_DEF_PACLEN 256 /* Paclen=256 */
-#define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */
-#define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */
-
-typedef struct ax25_uid_assoc {
- struct hlist_node uid_node;
- atomic_t refcount;
- uid_t uid;
- ax25_address call;
-} ax25_uid_assoc;
-
-#define ax25_uid_for_each(__ax25, node, list) \
- hlist_for_each_entry(__ax25, node, list, uid_node)
-
-#define ax25_uid_hold(ax25) \
- atomic_inc(&((ax25)->refcount))
-
-static inline void ax25_uid_put(ax25_uid_assoc *assoc)
-{
- if (atomic_dec_and_test(&assoc->refcount)) {
- kfree(assoc);
- }
-}
-
-typedef struct {
- ax25_address calls[AX25_MAX_DIGIS];
- unsigned char repeated[AX25_MAX_DIGIS];
- unsigned char ndigi;
- signed char lastrepeat;
-} ax25_digi;
-
-typedef struct ax25_route {
- struct ax25_route *next;
- atomic_t refcount;
- ax25_address callsign;
- struct net_device *dev;
- ax25_digi *digipeat;
- char ip_mode;
-} ax25_route;
-
-static inline void ax25_hold_route(ax25_route *ax25_rt)
-{
- atomic_inc(&ax25_rt->refcount);
-}
-
-extern void __ax25_put_route(ax25_route *ax25_rt);
-
-static inline void ax25_put_route(ax25_route *ax25_rt)
-{
- if (atomic_dec_and_test(&ax25_rt->refcount))
- __ax25_put_route(ax25_rt);
-}
-
-typedef struct {
- char slave; /* slave_mode? */
- struct timer_list slave_timer; /* timeout timer */
- unsigned short slave_timeout; /* when? */
-} ax25_dama_info;
-
-struct ctl_table;
-
-typedef struct ax25_dev {
- struct ax25_dev *next;
- struct net_device *dev;
- struct net_device *forward;
- struct ctl_table *systable;
- int values[AX25_MAX_VALUES];
-#if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER)
- ax25_dama_info dama;
-#endif
-} ax25_dev;
-
-typedef struct ax25_cb {
- struct hlist_node ax25_node;
- ax25_address source_addr, dest_addr;
- ax25_digi *digipeat;
- ax25_dev *ax25_dev;
- unsigned char iamdigi;
- unsigned char state, modulus, pidincl;
- unsigned short vs, vr, va;
- unsigned char condition, backoff;
- unsigned char n2, n2count;
- struct timer_list t1timer, t2timer, t3timer, idletimer;
- unsigned long t1, t2, t3, idle, rtt;
- unsigned short paclen, fragno, fraglen;
- struct sk_buff_head write_queue;
- struct sk_buff_head reseq_queue;
- struct sk_buff_head ack_queue;
- struct sk_buff_head frag_queue;
- unsigned char window;
- struct timer_list timer, dtimer;
- struct sock *sk; /* Backlink to socket */
- atomic_t refcount;
-} ax25_cb;
-
-#define ax25_sk(__sk) ((ax25_cb *)(__sk)->sk_protinfo)
-
-#define ax25_for_each(__ax25, node, list) \
- hlist_for_each_entry(__ax25, node, list, ax25_node)
-
-#define ax25_cb_hold(__ax25) \
- atomic_inc(&((__ax25)->refcount))
-
-static __inline__ void ax25_cb_put(ax25_cb *ax25)
-{
- if (atomic_dec_and_test(&ax25->refcount)) {
- kfree(ax25->digipeat);
- kfree(ax25);
- }
-}
-
-static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
-{
- skb->dev = dev;
- skb_reset_mac_header(skb);
- skb->pkt_type = PACKET_HOST;
- return htons(ETH_P_AX25);
-}
-
-/* af_ax25.c */
-extern struct hlist_head ax25_list;
-extern spinlock_t ax25_list_lock;
-extern void ax25_cb_add(ax25_cb *);
-struct sock *ax25_find_listener(ax25_address *, int, struct net_device *, int);
-struct sock *ax25_get_socket(ax25_address *, ax25_address *, int);
-extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
-extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int);
-extern void ax25_destroy_socket(ax25_cb *);
-extern ax25_cb * __must_check ax25_create_cb(void);
-extern void ax25_fillin_cb(ax25_cb *, ax25_dev *);
-extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *);
-
-/* ax25_addr.c */
-extern const ax25_address ax25_bcast;
-extern const ax25_address ax25_defaddr;
-extern const ax25_address null_ax25_address;
-extern char *ax2asc(char *buf, const ax25_address *);
-extern void asc2ax(ax25_address *addr, const char *callsign);
-extern int ax25cmp(const ax25_address *, const ax25_address *);
-extern int ax25digicmp(const ax25_digi *, const ax25_digi *);
-extern const unsigned char *ax25_addr_parse(const unsigned char *, int,
- ax25_address *, ax25_address *, ax25_digi *, int *, int *);
-extern int ax25_addr_build(unsigned char *, const ax25_address *,
- const ax25_address *, const ax25_digi *, int, int);
-extern int ax25_addr_size(const ax25_digi *);
-extern void ax25_digi_invert(const ax25_digi *, ax25_digi *);
-
-/* ax25_dev.c */
-extern ax25_dev *ax25_dev_list;
-extern spinlock_t ax25_dev_lock;
-
-static inline ax25_dev *ax25_dev_ax25dev(struct net_device *dev)
-{
- return dev->ax25_ptr;
-}
-
-extern ax25_dev *ax25_addr_ax25dev(ax25_address *);
-extern void ax25_dev_device_up(struct net_device *);
-extern void ax25_dev_device_down(struct net_device *);
-extern int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *);
-extern struct net_device *ax25_fwd_dev(struct net_device *);
-extern void ax25_dev_free(void);
-
-/* ax25_ds_in.c */
-extern int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int);
-
-/* ax25_ds_subr.c */
-extern void ax25_ds_nr_error_recovery(ax25_cb *);
-extern void ax25_ds_enquiry_response(ax25_cb *);
-extern void ax25_ds_establish_data_link(ax25_cb *);
-extern void ax25_dev_dama_off(ax25_dev *);
-extern void ax25_dama_on(ax25_cb *);
-extern void ax25_dama_off(ax25_cb *);
-
-/* ax25_ds_timer.c */
-extern void ax25_ds_setup_timer(ax25_dev *);
-extern void ax25_ds_set_timer(ax25_dev *);
-extern void ax25_ds_del_timer(ax25_dev *);
-extern void ax25_ds_timer(ax25_cb *);
-extern void ax25_ds_t1_timeout(ax25_cb *);
-extern void ax25_ds_heartbeat_expiry(ax25_cb *);
-extern void ax25_ds_t3timer_expiry(ax25_cb *);
-extern void ax25_ds_idletimer_expiry(ax25_cb *);
-
-/* ax25_iface.c */
-
-struct ax25_protocol {
- struct ax25_protocol *next;
- unsigned int pid;
- int (*func)(struct sk_buff *, ax25_cb *);
-};
-
-extern void ax25_register_pid(struct ax25_protocol *ap);
-extern void ax25_protocol_release(unsigned int);
-
-struct ax25_linkfail {
- struct hlist_node lf_node;
- void (*func)(ax25_cb *, int);
-};
-
-extern void ax25_linkfail_register(struct ax25_linkfail *lf);
-extern void ax25_linkfail_release(struct ax25_linkfail *lf);
-extern int __must_check ax25_listen_register(ax25_address *,
- struct net_device *);
-extern void ax25_listen_release(ax25_address *, struct net_device *);
-extern int (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *);
-extern int ax25_listen_mine(ax25_address *, struct net_device *);
-extern void ax25_link_failed(ax25_cb *, int);
-extern int ax25_protocol_is_registered(unsigned int);
-
-/* ax25_in.c */
-extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *);
-extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
-
-/* ax25_ip.c */
-extern int ax25_hard_header(struct sk_buff *, struct net_device *,
- unsigned short, const void *,
- const void *, unsigned int);
-extern int ax25_rebuild_header(struct sk_buff *);
-extern const struct header_ops ax25_header_ops;
-
-/* ax25_out.c */
-extern ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
-extern void ax25_output(ax25_cb *, int, struct sk_buff *);
-extern void ax25_kick(ax25_cb *);
-extern void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int);
-extern void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev);
-extern int ax25_check_iframes_acked(ax25_cb *, unsigned short);
-
-/* ax25_route.c */
-extern void ax25_rt_device_down(struct net_device *);
-extern int ax25_rt_ioctl(unsigned int, void __user *);
-extern const struct file_operations ax25_route_fops;
-extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev);
-extern int ax25_rt_autobind(ax25_cb *, ax25_address *);
-extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *);
-extern void ax25_rt_free(void);
-
-/* ax25_std_in.c */
-extern int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int);
-
-/* ax25_std_subr.c */
-extern void ax25_std_nr_error_recovery(ax25_cb *);
-extern void ax25_std_establish_data_link(ax25_cb *);
-extern void ax25_std_transmit_enquiry(ax25_cb *);
-extern void ax25_std_enquiry_response(ax25_cb *);
-extern void ax25_std_timeout_response(ax25_cb *);
-
-/* ax25_std_timer.c */
-extern void ax25_std_heartbeat_expiry(ax25_cb *);
-extern void ax25_std_t1timer_expiry(ax25_cb *);
-extern void ax25_std_t2timer_expiry(ax25_cb *);
-extern void ax25_std_t3timer_expiry(ax25_cb *);
-extern void ax25_std_idletimer_expiry(ax25_cb *);
-
-/* ax25_subr.c */
-extern void ax25_clear_queues(ax25_cb *);
-extern void ax25_frames_acked(ax25_cb *, unsigned short);
-extern void ax25_requeue_frames(ax25_cb *);
-extern int ax25_validate_nr(ax25_cb *, unsigned short);
-extern int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *);
-extern void ax25_send_control(ax25_cb *, int, int, int);
-extern void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *, ax25_digi *);
-extern void ax25_calculate_t1(ax25_cb *);
-extern void ax25_calculate_rtt(ax25_cb *);
-extern void ax25_disconnect(ax25_cb *, int);
-
-/* ax25_timer.c */
-extern void ax25_setup_timers(ax25_cb *);
-extern void ax25_start_heartbeat(ax25_cb *);
-extern void ax25_start_t1timer(ax25_cb *);
-extern void ax25_start_t2timer(ax25_cb *);
-extern void ax25_start_t3timer(ax25_cb *);
-extern void ax25_start_idletimer(ax25_cb *);
-extern void ax25_stop_heartbeat(ax25_cb *);
-extern void ax25_stop_t1timer(ax25_cb *);
-extern void ax25_stop_t2timer(ax25_cb *);
-extern void ax25_stop_t3timer(ax25_cb *);
-extern void ax25_stop_idletimer(ax25_cb *);
-extern int ax25_t1timer_running(ax25_cb *);
-extern unsigned long ax25_display_timer(struct timer_list *);
-
-/* ax25_uid.c */
-extern int ax25_uid_policy;
-extern ax25_uid_assoc *ax25_findbyuid(uid_t);
-extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
-extern const struct file_operations ax25_uid_fops;
-extern void ax25_uid_free(void);
-
-/* sysctl_net_ax25.c */
-#ifdef CONFIG_SYSCTL
-extern void ax25_register_sysctl(void);
-extern void ax25_unregister_sysctl(void);
-#else
-static inline void ax25_register_sysctl(void) {};
-static inline void ax25_unregister_sysctl(void) {};
-#endif /* CONFIG_SYSCTL */
-
-#endif
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