Release 4.12 include/net/ax25.h
/*
* 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 <linux/slab.h>
#include <linux/atomic.h>
#include <net/neighbour.h>
#include <net/sock.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;
kuid_t uid;
ax25_address call;
} ax25_uid_assoc;
#define ax25_uid_for_each(__ax25, list) \
hlist_for_each_entry(__ax25, 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);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
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_header *sysheader;
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;
struct ax25_sock {
struct sock sk;
struct ax25_cb *cb;
};
static inline struct ax25_sock *ax25_sk(const struct sock *sk)
{
return (struct ax25_sock *) sk;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 23 | 100.00% | 2 | 100.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static inline struct ax25_cb *sk_to_ax25(const struct sock *sk)
{
return ax25_sk(sk)->cb;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 23 | 100.00% | 2 | 100.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
#define ax25_for_each(__ax25, list) \
hlist_for_each_entry(__ax25, 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);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jeroen Vreeken | 35 | 100.00% | 1 | 100.00% |
| Total | 35 | 100.00% | 1 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 39 | 97.50% | 2 | 66.67% |
| Alexey Dobriyan | 1 | 2.50% | 1 | 33.33% |
| Total | 40 | 100.00% | 3 | 100.00% |
/* af_ax25.c */
extern struct hlist_head ax25_list;
extern spinlock_t ax25_list_lock;
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);
ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *,
struct net_device *);
void ax25_send_to_raw(ax25_address *, struct sk_buff *, int);
void ax25_destroy_socket(ax25_cb *);
ax25_cb * __must_check ax25_create_cb(void);
void ax25_fillin_cb(ax25_cb *, ax25_dev *);
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;
char *ax2asc(char *buf, const ax25_address *);
void asc2ax(ax25_address *addr, const char *callsign);
int ax25cmp(const ax25_address *, const ax25_address *);
int ax25digicmp(const ax25_digi *, const ax25_digi *);
const unsigned char *ax25_addr_parse(const unsigned char *, int,
ax25_address *, ax25_address *, ax25_digi *, int *, int *);
int ax25_addr_build(unsigned char *, const ax25_address *,
const ax25_address *, const ax25_digi *, int, int);
int ax25_addr_size(const ax25_digi *);
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steven Whitehouse | 10 | 55.56% | 1 | 25.00% |
| Linus Torvalds (pre-git) | 8 | 44.44% | 3 | 75.00% |
| Total | 18 | 100.00% | 4 | 100.00% |
ax25_dev *ax25_addr_ax25dev(ax25_address *);
void ax25_dev_device_up(struct net_device *);
void ax25_dev_device_down(struct net_device *);
int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *);
struct net_device *ax25_fwd_dev(struct net_device *);
void ax25_dev_free(void);
/* ax25_ds_in.c */
int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int);
/* ax25_ds_subr.c */
void ax25_ds_nr_error_recovery(ax25_cb *);
void ax25_ds_enquiry_response(ax25_cb *);
void ax25_ds_establish_data_link(ax25_cb *);
void ax25_dev_dama_off(ax25_dev *);
void ax25_dama_on(ax25_cb *);
void ax25_dama_off(ax25_cb *);
/* ax25_ds_timer.c */
void ax25_ds_setup_timer(ax25_dev *);
void ax25_ds_set_timer(ax25_dev *);
void ax25_ds_del_timer(ax25_dev *);
void ax25_ds_timer(ax25_cb *);
void ax25_ds_t1_timeout(ax25_cb *);
void ax25_ds_heartbeat_expiry(ax25_cb *);
void ax25_ds_t3timer_expiry(ax25_cb *);
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 *);
};
void ax25_register_pid(struct ax25_protocol *ap);
void ax25_protocol_release(unsigned int);
struct ax25_linkfail {
struct hlist_node lf_node;
void (*func)(ax25_cb *, int);
};
void ax25_linkfail_register(struct ax25_linkfail *lf);
void ax25_linkfail_release(struct ax25_linkfail *lf);
int __must_check ax25_listen_register(ax25_address *, struct net_device *);
void ax25_listen_release(ax25_address *, struct net_device *);
int(*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *);
int ax25_listen_mine(ax25_address *, struct net_device *);
void ax25_link_failed(ax25_cb *, int);
int ax25_protocol_is_registered(unsigned int);
/* ax25_in.c */
int ax25_rx_iframe(ax25_cb *, struct sk_buff *);
int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *,
struct net_device *);
/* ax25_ip.c */
netdev_tx_t ax25_ip_xmit(struct sk_buff *skb);
extern const struct header_ops ax25_header_ops;
/* ax25_out.c */
ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *,
ax25_digi *, struct net_device *);
void ax25_output(ax25_cb *, int, struct sk_buff *);
void ax25_kick(ax25_cb *);
void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int);
void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev);
int ax25_check_iframes_acked(ax25_cb *, unsigned short);
/* ax25_route.c */
void ax25_rt_device_down(struct net_device *);
int ax25_rt_ioctl(unsigned int, void __user *);
extern const struct file_operations ax25_route_fops;
ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev);
int ax25_rt_autobind(ax25_cb *, ax25_address *);
struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *,
ax25_address *, ax25_digi *);
void ax25_rt_free(void);
/* ax25_std_in.c */
int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int);
/* ax25_std_subr.c */
void ax25_std_nr_error_recovery(ax25_cb *);
void ax25_std_establish_data_link(ax25_cb *);
void ax25_std_transmit_enquiry(ax25_cb *);
void ax25_std_enquiry_response(ax25_cb *);
void ax25_std_timeout_response(ax25_cb *);
/* ax25_std_timer.c */
void ax25_std_heartbeat_expiry(ax25_cb *);
void ax25_std_t1timer_expiry(ax25_cb *);
void ax25_std_t2timer_expiry(ax25_cb *);
void ax25_std_t3timer_expiry(ax25_cb *);
void ax25_std_idletimer_expiry(ax25_cb *);
/* ax25_subr.c */
void ax25_clear_queues(ax25_cb *);
void ax25_frames_acked(ax25_cb *, unsigned short);
void ax25_requeue_frames(ax25_cb *);
int ax25_validate_nr(ax25_cb *, unsigned short);
int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *);
void ax25_send_control(ax25_cb *, int, int, int);
void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *,
ax25_digi *);
void ax25_calculate_t1(ax25_cb *);
void ax25_calculate_rtt(ax25_cb *);
void ax25_disconnect(ax25_cb *, int);
/* ax25_timer.c */
void ax25_setup_timers(ax25_cb *);
void ax25_start_heartbeat(ax25_cb *);
void ax25_start_t1timer(ax25_cb *);
void ax25_start_t2timer(ax25_cb *);
void ax25_start_t3timer(ax25_cb *);
void ax25_start_idletimer(ax25_cb *);
void ax25_stop_heartbeat(ax25_cb *);
void ax25_stop_t1timer(ax25_cb *);
void ax25_stop_t2timer(ax25_cb *);
void ax25_stop_t3timer(ax25_cb *);
void ax25_stop_idletimer(ax25_cb *);
int ax25_t1timer_running(ax25_cb *);
unsigned long ax25_display_timer(struct timer_list *);
/* ax25_uid.c */
extern int ax25_uid_policy;
ax25_uid_assoc *ax25_findbyuid(kuid_t);
int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
extern const struct file_operations ax25_uid_fops;
void ax25_uid_free(void);
/* sysctl_net_ax25.c */
#ifdef CONFIG_SYSCTL
int ax25_register_dev_sysctl(ax25_dev *ax25_dev);
void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev);
#else
static inline int ax25_register_dev_sysctl(ax25_dev *ax25_dev) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric W. Biedermann | 10 | 71.43% | 2 | 50.00% |
| Linus Torvalds (pre-git) | 3 | 21.43% | 1 | 25.00% |
| David S. Miller | 1 | 7.14% | 1 | 25.00% |
| Total | 14 | 100.00% | 4 | 100.00% |
static inline void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 5 | 50.00% | 1 | 33.33% |
| Eric W. Biedermann | 4 | 40.00% | 1 | 33.33% |
| David S. Miller | 1 | 10.00% | 1 | 33.33% |
| Total | 10 | 100.00% | 3 | 100.00% |
#endif /* CONFIG_SYSCTL */
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 1579 | 72.20% | 24 | 33.80% |
| Ralf Bächle | 319 | 14.59% | 19 | 26.76% |
| David S. Miller | 79 | 3.61% | 5 | 7.04% |
| Jeroen Vreeken | 66 | 3.02% | 2 | 2.82% |
| Arnaldo Carvalho de Melo | 45 | 2.06% | 3 | 4.23% |
| Eric W. Biedermann | 39 | 1.78% | 5 | 7.04% |
| Jarek Poplawski | 14 | 0.64% | 2 | 2.82% |
| Stephen Hemminger | 14 | 0.64% | 2 | 2.82% |
| Joe Perches | 12 | 0.55% | 2 | 2.82% |
| Steven Whitehouse | 10 | 0.46% | 1 | 1.41% |
| Tejun Heo | 3 | 0.14% | 1 | 1.41% |
| Sasha Levin | 2 | 0.09% | 1 | 1.41% |
| Arjan van de Ven | 2 | 0.09% | 1 | 1.41% |
| Alexey Dobriyan | 1 | 0.05% | 1 | 1.41% |
| Arun Sharma | 1 | 0.05% | 1 | 1.41% |
| Al Viro | 1 | 0.05% | 1 | 1.41% |
| Total | 2187 | 100.00% | 71 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.