Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Declarations of AX.25 type objects. |
| 3 | * |
| 4 | * Alan Cox (GW4PTS) 10/11/93 |
| 5 | */ |
| 6 | #ifndef _AX25_H |
| 7 | #define _AX25_H |
| 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #include <linux/ax25.h> |
| 10 | #include <linux/spinlock.h> |
| 11 | #include <linux/timer.h> |
| 12 | #include <linux/list.h> |
| 13 | #include <asm/atomic.h> |
| 14 | |
| 15 | #define AX25_T1CLAMPLO 1 |
| 16 | #define AX25_T1CLAMPHI (30 * HZ) |
| 17 | |
| 18 | #define AX25_BPQ_HEADER_LEN 16 |
| 19 | #define AX25_KISS_HEADER_LEN 1 |
| 20 | |
| 21 | #define AX25_HEADER_LEN 17 |
| 22 | #define AX25_ADDR_LEN 7 |
| 23 | #define AX25_DIGI_HEADER_LEN (AX25_MAX_DIGIS * AX25_ADDR_LEN) |
| 24 | #define AX25_MAX_HEADER_LEN (AX25_HEADER_LEN + AX25_DIGI_HEADER_LEN) |
| 25 | |
| 26 | /* AX.25 Protocol IDs */ |
| 27 | #define AX25_P_ROSE 0x01 |
Ralf Baechle | 3bf0ae7 | 2005-09-12 14:22:30 -0700 | [diff] [blame] | 28 | #define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */ |
| 29 | /* Van Jacobsen (RFC 1144) */ |
| 30 | #define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */ |
| 31 | /* Van Jacobsen (RFC 1144) */ |
| 32 | #define AX25_P_SEGMENT 0x08 /* Segmentation fragment */ |
| 33 | #define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */ |
| 34 | #define AX25_P_LQ 0xc4 /* Link Quality Protocol */ |
| 35 | #define AX25_P_ATALK 0xca /* Appletalk */ |
| 36 | #define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */ |
| 37 | #define AX25_P_IP 0xcc /* ARPA Internet Protocol */ |
| 38 | #define AX25_P_ARP 0xcd /* ARPA Adress Resolution */ |
| 39 | #define AX25_P_FLEXNET 0xce /* FlexNet */ |
| 40 | #define AX25_P_NETROM 0xcf /* NET/ROM */ |
| 41 | #define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | /* AX.25 Segment control values */ |
| 44 | #define AX25_SEG_REM 0x7F |
| 45 | #define AX25_SEG_FIRST 0x80 |
| 46 | |
| 47 | #define AX25_CBIT 0x80 /* Command/Response bit */ |
| 48 | #define AX25_EBIT 0x01 /* HDLC Address Extension bit */ |
| 49 | #define AX25_HBIT 0x80 /* Has been repeated bit */ |
| 50 | |
| 51 | #define AX25_SSSID_SPARE 0x60 /* Unused bits in SSID for standard AX.25 */ |
| 52 | #define AX25_ESSID_SPARE 0x20 /* Unused bits in SSID for extended AX.25 */ |
| 53 | #define AX25_DAMA_FLAG 0x20 /* Well, it is *NOT* unused! (dl1bke 951121 */ |
| 54 | |
| 55 | #define AX25_COND_ACK_PENDING 0x01 |
| 56 | #define AX25_COND_REJECT 0x02 |
| 57 | #define AX25_COND_PEER_RX_BUSY 0x04 |
| 58 | #define AX25_COND_OWN_RX_BUSY 0x08 |
| 59 | #define AX25_COND_DAMA_MODE 0x10 |
| 60 | |
| 61 | #ifndef _LINUX_NETDEVICE_H |
| 62 | #include <linux/netdevice.h> |
| 63 | #endif |
| 64 | |
| 65 | /* Upper sub-layer (LAPB) definitions */ |
| 66 | |
| 67 | /* Control field templates */ |
| 68 | #define AX25_I 0x00 /* Information frames */ |
| 69 | #define AX25_S 0x01 /* Supervisory frames */ |
| 70 | #define AX25_RR 0x01 /* Receiver ready */ |
| 71 | #define AX25_RNR 0x05 /* Receiver not ready */ |
| 72 | #define AX25_REJ 0x09 /* Reject */ |
| 73 | #define AX25_U 0x03 /* Unnumbered frames */ |
| 74 | #define AX25_SABM 0x2f /* Set Asynchronous Balanced Mode */ |
| 75 | #define AX25_SABME 0x6f /* Set Asynchronous Balanced Mode Extended */ |
| 76 | #define AX25_DISC 0x43 /* Disconnect */ |
| 77 | #define AX25_DM 0x0f /* Disconnected mode */ |
| 78 | #define AX25_UA 0x63 /* Unnumbered acknowledge */ |
| 79 | #define AX25_FRMR 0x87 /* Frame reject */ |
| 80 | #define AX25_UI 0x03 /* Unnumbered information */ |
| 81 | #define AX25_XID 0xaf /* Exchange information */ |
| 82 | #define AX25_TEST 0xe3 /* Test */ |
| 83 | |
| 84 | #define AX25_PF 0x10 /* Poll/final bit for standard AX.25 */ |
| 85 | #define AX25_EPF 0x01 /* Poll/final bit for extended AX.25 */ |
| 86 | |
| 87 | #define AX25_ILLEGAL 0x100 /* Impossible to be a real frame type */ |
| 88 | |
| 89 | #define AX25_POLLOFF 0 |
| 90 | #define AX25_POLLON 1 |
| 91 | |
| 92 | /* AX25 L2 C-bit */ |
| 93 | #define AX25_COMMAND 1 |
| 94 | #define AX25_RESPONSE 2 |
| 95 | |
| 96 | /* Define Link State constants. */ |
| 97 | |
| 98 | enum { |
Ralf Baechle | b01ef8f | 2005-09-12 14:24:24 -0700 | [diff] [blame] | 99 | AX25_STATE_0, /* Listening */ |
| 100 | AX25_STATE_1, /* SABM sent */ |
| 101 | AX25_STATE_2, /* DISC sent */ |
| 102 | AX25_STATE_3, /* Established */ |
| 103 | AX25_STATE_4 /* Recovery */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | #define AX25_MODULUS 8 /* Standard AX.25 modulus */ |
| 107 | #define AX25_EMODULUS 128 /* Extended AX.25 modulus */ |
| 108 | |
| 109 | enum { |
| 110 | AX25_PROTO_STD_SIMPLEX, |
| 111 | AX25_PROTO_STD_DUPLEX, |
Ralf Baechle DL5RB | c7c694d | 2006-03-19 13:20:06 -0800 | [diff] [blame] | 112 | #ifdef CONFIG_AX25_DAMA_SLAVE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | AX25_PROTO_DAMA_SLAVE, |
Ralf Baechle DL5RB | c7c694d | 2006-03-19 13:20:06 -0800 | [diff] [blame] | 114 | #ifdef CONFIG_AX25_DAMA_MASTER |
| 115 | AX25_PROTO_DAMA_MASTER, |
| 116 | #define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER |
| 117 | #endif |
| 118 | #endif |
| 119 | __AX25_PROTO_MAX, |
| 120 | AX25_PROTO_MAX = __AX25_PROTO_MAX -1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | }; |
| 122 | |
| 123 | enum { |
| 124 | AX25_VALUES_IPDEFMODE, /* 0=DG 1=VC */ |
| 125 | AX25_VALUES_AXDEFMODE, /* 0=Normal 1=Extended Seq Nos */ |
| 126 | AX25_VALUES_BACKOFF, /* 0=None 1=Linear 2=Exponential */ |
| 127 | AX25_VALUES_CONMODE, /* Allow connected modes - 0=No 1=no "PID text" 2=all PIDs */ |
| 128 | AX25_VALUES_WINDOW, /* Default window size for standard AX.25 */ |
| 129 | AX25_VALUES_EWINDOW, /* Default window size for extended AX.25 */ |
| 130 | AX25_VALUES_T1, /* Default T1 timeout value */ |
| 131 | AX25_VALUES_T2, /* Default T2 timeout value */ |
| 132 | AX25_VALUES_T3, /* Default T3 timeout value */ |
| 133 | AX25_VALUES_IDLE, /* Connected mode idle timer */ |
| 134 | AX25_VALUES_N2, /* Default N2 value */ |
| 135 | AX25_VALUES_PACLEN, /* AX.25 MTU */ |
| 136 | AX25_VALUES_PROTOCOL, /* Std AX.25, DAMA Slave, DAMA Master */ |
| 137 | AX25_VALUES_DS_TIMEOUT, /* DAMA Slave timeout */ |
| 138 | AX25_MAX_VALUES /* THIS MUST REMAIN THE LAST ENTRY OF THIS LIST */ |
| 139 | }; |
| 140 | |
| 141 | #define AX25_DEF_IPDEFMODE 0 /* Datagram */ |
| 142 | #define AX25_DEF_AXDEFMODE 0 /* Normal */ |
| 143 | #define AX25_DEF_BACKOFF 1 /* Linear backoff */ |
| 144 | #define AX25_DEF_CONMODE 2 /* Connected mode allowed */ |
| 145 | #define AX25_DEF_WINDOW 2 /* Window=2 */ |
| 146 | #define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */ |
Ralf Baechle | e1fdb5b | 2006-05-03 23:27:16 -0700 | [diff] [blame] | 147 | #define AX25_DEF_T1 10000 /* T1=10s */ |
| 148 | #define AX25_DEF_T2 3000 /* T2=3s */ |
| 149 | #define AX25_DEF_T3 300000 /* T3=300s */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | #define AX25_DEF_N2 10 /* N2=10 */ |
Ralf Baechle | e1fdb5b | 2006-05-03 23:27:16 -0700 | [diff] [blame] | 151 | #define AX25_DEF_IDLE 0 /* Idle=None */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | #define AX25_DEF_PACLEN 256 /* Paclen=256 */ |
| 153 | #define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */ |
Ralf Baechle | e1fdb5b | 2006-05-03 23:27:16 -0700 | [diff] [blame] | 154 | #define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
| 156 | typedef struct ax25_uid_assoc { |
Ralf Baechle | 01d7dd0 | 2005-08-23 10:11:45 -0700 | [diff] [blame] | 157 | struct hlist_node uid_node; |
| 158 | atomic_t refcount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | uid_t uid; |
| 160 | ax25_address call; |
| 161 | } ax25_uid_assoc; |
| 162 | |
Ralf Baechle | 01d7dd0 | 2005-08-23 10:11:45 -0700 | [diff] [blame] | 163 | #define ax25_uid_for_each(__ax25, node, list) \ |
| 164 | hlist_for_each_entry(__ax25, node, list, uid_node) |
| 165 | |
| 166 | #define ax25_uid_hold(ax25) \ |
| 167 | atomic_inc(&((ax25)->refcount)) |
| 168 | |
| 169 | static inline void ax25_uid_put(ax25_uid_assoc *assoc) |
| 170 | { |
| 171 | if (atomic_dec_and_test(&assoc->refcount)) { |
| 172 | kfree(assoc); |
| 173 | } |
| 174 | } |
| 175 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | typedef struct { |
| 177 | ax25_address calls[AX25_MAX_DIGIS]; |
| 178 | unsigned char repeated[AX25_MAX_DIGIS]; |
| 179 | unsigned char ndigi; |
Ralf Baechle | 4595f25 | 2005-10-14 21:29:56 +0100 | [diff] [blame] | 180 | signed char lastrepeat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | } ax25_digi; |
| 182 | |
| 183 | typedef struct ax25_route { |
| 184 | struct ax25_route *next; |
Ralf Baechle DL5RB | 006f68b | 2006-07-03 19:30:18 -0700 | [diff] [blame] | 185 | atomic_t refcount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | ax25_address callsign; |
| 187 | struct net_device *dev; |
| 188 | ax25_digi *digipeat; |
| 189 | char ip_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | } ax25_route; |
| 191 | |
Ralf Baechle DL5RB | 006f68b | 2006-07-03 19:30:18 -0700 | [diff] [blame] | 192 | static inline void ax25_hold_route(ax25_route *ax25_rt) |
| 193 | { |
| 194 | atomic_inc(&ax25_rt->refcount); |
| 195 | } |
| 196 | |
| 197 | extern void __ax25_put_route(ax25_route *ax25_rt); |
| 198 | |
| 199 | static inline void ax25_put_route(ax25_route *ax25_rt) |
| 200 | { |
| 201 | if (atomic_dec_and_test(&ax25_rt->refcount)) |
| 202 | __ax25_put_route(ax25_rt); |
| 203 | } |
| 204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | typedef struct { |
| 206 | char slave; /* slave_mode? */ |
| 207 | struct timer_list slave_timer; /* timeout timer */ |
| 208 | unsigned short slave_timeout; /* when? */ |
| 209 | } ax25_dama_info; |
| 210 | |
| 211 | struct ctl_table; |
| 212 | |
| 213 | typedef struct ax25_dev { |
| 214 | struct ax25_dev *next; |
| 215 | struct net_device *dev; |
| 216 | struct net_device *forward; |
| 217 | struct ctl_table *systable; |
| 218 | int values[AX25_MAX_VALUES]; |
| 219 | #if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER) |
| 220 | ax25_dama_info dama; |
| 221 | #endif |
| 222 | } ax25_dev; |
| 223 | |
| 224 | typedef struct ax25_cb { |
| 225 | struct hlist_node ax25_node; |
| 226 | ax25_address source_addr, dest_addr; |
| 227 | ax25_digi *digipeat; |
| 228 | ax25_dev *ax25_dev; |
| 229 | unsigned char iamdigi; |
| 230 | unsigned char state, modulus, pidincl; |
| 231 | unsigned short vs, vr, va; |
| 232 | unsigned char condition, backoff; |
| 233 | unsigned char n2, n2count; |
| 234 | struct timer_list t1timer, t2timer, t3timer, idletimer; |
| 235 | unsigned long t1, t2, t3, idle, rtt; |
| 236 | unsigned short paclen, fragno, fraglen; |
| 237 | struct sk_buff_head write_queue; |
| 238 | struct sk_buff_head reseq_queue; |
| 239 | struct sk_buff_head ack_queue; |
| 240 | struct sk_buff_head frag_queue; |
| 241 | unsigned char window; |
| 242 | struct timer_list timer, dtimer; |
| 243 | struct sock *sk; /* Backlink to socket */ |
| 244 | atomic_t refcount; |
| 245 | } ax25_cb; |
| 246 | |
| 247 | #define ax25_sk(__sk) ((ax25_cb *)(__sk)->sk_protinfo) |
| 248 | |
| 249 | #define ax25_for_each(__ax25, node, list) \ |
| 250 | hlist_for_each_entry(__ax25, node, list, ax25_node) |
| 251 | |
| 252 | #define ax25_cb_hold(__ax25) \ |
| 253 | atomic_inc(&((__ax25)->refcount)) |
| 254 | |
| 255 | static __inline__ void ax25_cb_put(ax25_cb *ax25) |
| 256 | { |
| 257 | if (atomic_dec_and_test(&ax25->refcount)) { |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 258 | kfree(ax25->digipeat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | kfree(ax25); |
| 260 | } |
| 261 | } |
| 262 | |
Alexey Dobriyan | f852640 | 2005-06-20 13:31:11 -0700 | [diff] [blame] | 263 | static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev) |
Arnaldo Carvalho de Melo | 56cb515 | 2005-04-24 18:53:06 -0700 | [diff] [blame] | 264 | { |
| 265 | skb->dev = dev; |
| 266 | skb->pkt_type = PACKET_HOST; |
| 267 | skb->mac.raw = skb->data; |
| 268 | return htons(ETH_P_AX25); |
| 269 | } |
| 270 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | /* af_ax25.c */ |
| 272 | extern struct hlist_head ax25_list; |
| 273 | extern spinlock_t ax25_list_lock; |
| 274 | extern void ax25_cb_add(ax25_cb *); |
| 275 | struct sock *ax25_find_listener(ax25_address *, int, struct net_device *, int); |
| 276 | struct sock *ax25_get_socket(ax25_address *, ax25_address *, int); |
| 277 | extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *); |
| 278 | extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int); |
| 279 | extern void ax25_destroy_socket(ax25_cb *); |
| 280 | extern ax25_cb *ax25_create_cb(void); |
| 281 | extern void ax25_fillin_cb(ax25_cb *, ax25_dev *); |
| 282 | extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *); |
| 283 | |
| 284 | /* ax25_addr.c */ |
Ralf Baechle | 15b1c0e | 2006-12-07 15:47:08 -0800 | [diff] [blame^] | 285 | extern const ax25_address ax25_bcast; |
| 286 | extern const ax25_address ax25_defaddr; |
| 287 | extern const ax25_address null_ax25_address; |
Ralf Baechle | e8cc49b | 2006-12-07 15:43:13 -0800 | [diff] [blame] | 288 | extern int ax25cmp(const ax25_address *, const ax25_address *); |
| 289 | extern int ax25digicmp(const ax25_digi *, const ax25_digi *); |
| 290 | extern const unsigned char *ax25_addr_parse(const unsigned char *, int, |
| 291 | ax25_address *, ax25_address *, ax25_digi *, int *, int *); |
| 292 | extern int ax25_addr_build(unsigned char *, const ax25_address *, |
| 293 | const ax25_address *, const ax25_digi *, int, int); |
| 294 | extern int ax25_addr_size(const ax25_digi *); |
| 295 | extern void ax25_digi_invert(const ax25_digi *, ax25_digi *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
| 297 | /* ax25_dev.c */ |
| 298 | extern ax25_dev *ax25_dev_list; |
| 299 | extern spinlock_t ax25_dev_lock; |
| 300 | |
| 301 | static inline ax25_dev *ax25_dev_ax25dev(struct net_device *dev) |
| 302 | { |
| 303 | return dev->ax25_ptr; |
| 304 | } |
| 305 | |
| 306 | extern ax25_dev *ax25_addr_ax25dev(ax25_address *); |
| 307 | extern void ax25_dev_device_up(struct net_device *); |
| 308 | extern void ax25_dev_device_down(struct net_device *); |
| 309 | extern int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *); |
| 310 | extern struct net_device *ax25_fwd_dev(struct net_device *); |
| 311 | extern void ax25_dev_free(void); |
| 312 | |
| 313 | /* ax25_ds_in.c */ |
| 314 | extern int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int); |
| 315 | |
| 316 | /* ax25_ds_subr.c */ |
| 317 | extern void ax25_ds_nr_error_recovery(ax25_cb *); |
| 318 | extern void ax25_ds_enquiry_response(ax25_cb *); |
| 319 | extern void ax25_ds_establish_data_link(ax25_cb *); |
| 320 | extern void ax25_dev_dama_off(ax25_dev *); |
| 321 | extern void ax25_dama_on(ax25_cb *); |
| 322 | extern void ax25_dama_off(ax25_cb *); |
| 323 | |
| 324 | /* ax25_ds_timer.c */ |
| 325 | extern void ax25_ds_set_timer(ax25_dev *); |
| 326 | extern void ax25_ds_del_timer(ax25_dev *); |
| 327 | extern void ax25_ds_timer(ax25_cb *); |
| 328 | extern void ax25_ds_t1_timeout(ax25_cb *); |
| 329 | extern void ax25_ds_heartbeat_expiry(ax25_cb *); |
| 330 | extern void ax25_ds_t3timer_expiry(ax25_cb *); |
| 331 | extern void ax25_ds_idletimer_expiry(ax25_cb *); |
| 332 | |
| 333 | /* ax25_iface.c */ |
| 334 | extern int ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *)); |
| 335 | extern void ax25_protocol_release(unsigned int); |
| 336 | extern int ax25_linkfail_register(void (*)(ax25_cb *, int)); |
| 337 | extern void ax25_linkfail_release(void (*)(ax25_cb *, int)); |
| 338 | extern int ax25_listen_register(ax25_address *, struct net_device *); |
| 339 | extern void ax25_listen_release(ax25_address *, struct net_device *); |
| 340 | extern int (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *); |
| 341 | extern int ax25_listen_mine(ax25_address *, struct net_device *); |
| 342 | extern void ax25_link_failed(ax25_cb *, int); |
| 343 | extern int ax25_protocol_is_registered(unsigned int); |
| 344 | |
| 345 | /* ax25_in.c */ |
| 346 | extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *); |
David S. Miller | f2ccd8f | 2005-08-09 19:34:12 -0700 | [diff] [blame] | 347 | extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | |
| 349 | /* ax25_ip.c */ |
Ralf Baechle | 6f74998 | 2005-09-12 14:21:01 -0700 | [diff] [blame] | 350 | extern int ax25_hard_header(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | extern int ax25_rebuild_header(struct sk_buff *); |
| 352 | |
| 353 | /* ax25_out.c */ |
| 354 | extern ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, ax25_digi *, struct net_device *); |
| 355 | extern void ax25_output(ax25_cb *, int, struct sk_buff *); |
| 356 | extern void ax25_kick(ax25_cb *); |
| 357 | extern void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int); |
Arnaldo Carvalho de Melo | 29c4be5 | 2005-04-21 16:46:56 -0700 | [diff] [blame] | 358 | extern void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | extern int ax25_check_iframes_acked(ax25_cb *, unsigned short); |
| 360 | |
| 361 | /* ax25_route.c */ |
| 362 | extern void ax25_rt_device_down(struct net_device *); |
| 363 | extern int ax25_rt_ioctl(unsigned int, void __user *); |
| 364 | extern struct file_operations ax25_route_fops; |
Ralf Baechle DL5RB | 006f68b | 2006-07-03 19:30:18 -0700 | [diff] [blame] | 365 | extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | extern int ax25_rt_autobind(ax25_cb *, ax25_address *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *); |
| 368 | extern void ax25_rt_free(void); |
| 369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | /* ax25_std_in.c */ |
| 371 | extern int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int); |
| 372 | |
| 373 | /* ax25_std_subr.c */ |
| 374 | extern void ax25_std_nr_error_recovery(ax25_cb *); |
| 375 | extern void ax25_std_establish_data_link(ax25_cb *); |
| 376 | extern void ax25_std_transmit_enquiry(ax25_cb *); |
| 377 | extern void ax25_std_enquiry_response(ax25_cb *); |
| 378 | extern void ax25_std_timeout_response(ax25_cb *); |
| 379 | |
| 380 | /* ax25_std_timer.c */ |
| 381 | extern void ax25_std_heartbeat_expiry(ax25_cb *); |
| 382 | extern void ax25_std_t1timer_expiry(ax25_cb *); |
| 383 | extern void ax25_std_t2timer_expiry(ax25_cb *); |
| 384 | extern void ax25_std_t3timer_expiry(ax25_cb *); |
| 385 | extern void ax25_std_idletimer_expiry(ax25_cb *); |
| 386 | |
| 387 | /* ax25_subr.c */ |
| 388 | extern void ax25_clear_queues(ax25_cb *); |
| 389 | extern void ax25_frames_acked(ax25_cb *, unsigned short); |
| 390 | extern void ax25_requeue_frames(ax25_cb *); |
| 391 | extern int ax25_validate_nr(ax25_cb *, unsigned short); |
| 392 | extern int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *); |
| 393 | extern void ax25_send_control(ax25_cb *, int, int, int); |
| 394 | extern void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *, ax25_digi *); |
| 395 | extern void ax25_calculate_t1(ax25_cb *); |
| 396 | extern void ax25_calculate_rtt(ax25_cb *); |
| 397 | extern void ax25_disconnect(ax25_cb *, int); |
| 398 | |
| 399 | /* ax25_timer.c */ |
| 400 | extern void ax25_start_heartbeat(ax25_cb *); |
| 401 | extern void ax25_start_t1timer(ax25_cb *); |
| 402 | extern void ax25_start_t2timer(ax25_cb *); |
| 403 | extern void ax25_start_t3timer(ax25_cb *); |
| 404 | extern void ax25_start_idletimer(ax25_cb *); |
| 405 | extern void ax25_stop_heartbeat(ax25_cb *); |
| 406 | extern void ax25_stop_t1timer(ax25_cb *); |
| 407 | extern void ax25_stop_t2timer(ax25_cb *); |
| 408 | extern void ax25_stop_t3timer(ax25_cb *); |
| 409 | extern void ax25_stop_idletimer(ax25_cb *); |
| 410 | extern int ax25_t1timer_running(ax25_cb *); |
| 411 | extern unsigned long ax25_display_timer(struct timer_list *); |
| 412 | |
| 413 | /* ax25_uid.c */ |
| 414 | extern int ax25_uid_policy; |
Ralf Baechle | 01d7dd0 | 2005-08-23 10:11:45 -0700 | [diff] [blame] | 415 | extern ax25_uid_assoc *ax25_findbyuid(uid_t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | extern int ax25_uid_ioctl(int, struct sockaddr_ax25 *); |
| 417 | extern struct file_operations ax25_uid_fops; |
| 418 | extern void ax25_uid_free(void); |
| 419 | |
| 420 | /* sysctl_net_ax25.c */ |
| 421 | #ifdef CONFIG_SYSCTL |
| 422 | extern void ax25_register_sysctl(void); |
| 423 | extern void ax25_unregister_sysctl(void); |
| 424 | #else |
| 425 | static inline void ax25_register_sysctl(void) {}; |
| 426 | static inline void ax25_unregister_sysctl(void) {}; |
| 427 | #endif /* CONFIG_SYSCTL */ |
| 428 | |
| 429 | #endif |