rose.h 7.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235
  1. /*
  2. * Declarations of Rose type objects.
  3. *
  4. * Jonathan Naylor G4KLX 25/8/96
  5. */
  6. #ifndef _ROSE_H
  7. #define _ROSE_H
  8. #include <linux/rose.h>
  9. #include <net/sock.h>
  10. #define ROSE_ADDR_LEN 5
  11. #define ROSE_MIN_LEN 3
  12. #define ROSE_GFI 0x10
  13. #define ROSE_Q_BIT 0x80
  14. #define ROSE_D_BIT 0x40
  15. #define ROSE_M_BIT 0x10
  16. #define ROSE_CALL_REQUEST 0x0B
  17. #define ROSE_CALL_ACCEPTED 0x0F
  18. #define ROSE_CLEAR_REQUEST 0x13
  19. #define ROSE_CLEAR_CONFIRMATION 0x17
  20. #define ROSE_DATA 0x00
  21. #define ROSE_INTERRUPT 0x23
  22. #define ROSE_INTERRUPT_CONFIRMATION 0x27
  23. #define ROSE_RR 0x01
  24. #define ROSE_RNR 0x05
  25. #define ROSE_REJ 0x09
  26. #define ROSE_RESET_REQUEST 0x1B
  27. #define ROSE_RESET_CONFIRMATION 0x1F
  28. #define ROSE_REGISTRATION_REQUEST 0xF3
  29. #define ROSE_REGISTRATION_CONFIRMATION 0xF7
  30. #define ROSE_RESTART_REQUEST 0xFB
  31. #define ROSE_RESTART_CONFIRMATION 0xFF
  32. #define ROSE_DIAGNOSTIC 0xF1
  33. #define ROSE_ILLEGAL 0xFD
  34. /* Define Link State constants. */
  35. enum {
  36. ROSE_STATE_0, /* Ready */
  37. ROSE_STATE_1, /* Awaiting Call Accepted */
  38. ROSE_STATE_2, /* Awaiting Clear Confirmation */
  39. ROSE_STATE_3, /* Data Transfer */
  40. ROSE_STATE_4, /* Awaiting Reset Confirmation */
  41. ROSE_STATE_5 /* Deferred Call Acceptance */
  42. };
  43. #define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */
  44. #define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */
  45. #define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */
  46. #define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */
  47. #define ROSE_DEFAULT_HB 5000 /* Default Holdback value */
  48. #define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */
  49. #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */
  50. #define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */
  51. #define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */
  52. #define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */
  53. #define ROSE_MODULUS 8
  54. #define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */
  55. #define ROSE_COND_ACK_PENDING 0x01
  56. #define ROSE_COND_PEER_RX_BUSY 0x02
  57. #define ROSE_COND_OWN_RX_BUSY 0x04
  58. #define FAC_NATIONAL 0x00
  59. #define FAC_CCITT 0x0F
  60. #define FAC_NATIONAL_RAND 0x7F
  61. #define FAC_NATIONAL_FLAGS 0x3F
  62. #define FAC_NATIONAL_DEST_DIGI 0xE9
  63. #define FAC_NATIONAL_SRC_DIGI 0xEB
  64. #define FAC_NATIONAL_FAIL_CALL 0xED
  65. #define FAC_NATIONAL_FAIL_ADD 0xEE
  66. #define FAC_NATIONAL_DIGIS 0xEF
  67. #define FAC_CCITT_DEST_NSAP 0xC9
  68. #define FAC_CCITT_SRC_NSAP 0xCB
  69. struct rose_neigh {
  70. struct rose_neigh *next;
  71. ax25_address callsign;
  72. ax25_digi *digipeat;
  73. ax25_cb *ax25;
  74. struct net_device *dev;
  75. unsigned short count;
  76. unsigned short use;
  77. unsigned int number;
  78. char restarted;
  79. char dce_mode;
  80. char loopback;
  81. struct sk_buff_head queue;
  82. struct timer_list t0timer;
  83. struct timer_list ftimer;
  84. };
  85. struct rose_node {
  86. struct rose_node *next;
  87. rose_address address;
  88. unsigned short mask;
  89. unsigned char count;
  90. char loopback;
  91. struct rose_neigh *neighbour[3];
  92. };
  93. struct rose_route {
  94. struct rose_route *next;
  95. unsigned int lci1, lci2;
  96. rose_address src_addr, dest_addr;
  97. ax25_address src_call, dest_call;
  98. struct rose_neigh *neigh1, *neigh2;
  99. unsigned int rand;
  100. };
  101. struct rose_sock {
  102. struct sock sock;
  103. rose_address source_addr, dest_addr;
  104. ax25_address source_call, dest_call;
  105. unsigned char source_ndigis, dest_ndigis;
  106. ax25_address source_digis[ROSE_MAX_DIGIS];
  107. ax25_address dest_digis[ROSE_MAX_DIGIS];
  108. struct rose_neigh *neighbour;
  109. struct net_device *device;
  110. unsigned int lci, rand;
  111. unsigned char state, condition, qbitincl, defer;
  112. unsigned char cause, diagnostic;
  113. unsigned short vs, vr, va, vl;
  114. unsigned long t1, t2, t3, hb, idle;
  115. #ifdef M_BIT
  116. unsigned short fraglen;
  117. struct sk_buff_head frag_queue;
  118. #endif
  119. struct sk_buff_head ack_queue;
  120. struct rose_facilities_struct facilities;
  121. struct timer_list timer;
  122. struct timer_list idletimer;
  123. };
  124. #define rose_sk(sk) ((struct rose_sock *)(sk))
  125. /* af_rose.c */
  126. extern ax25_address rose_callsign;
  127. extern int sysctl_rose_restart_request_timeout;
  128. extern int sysctl_rose_call_request_timeout;
  129. extern int sysctl_rose_reset_request_timeout;
  130. extern int sysctl_rose_clear_request_timeout;
  131. extern int sysctl_rose_no_activity_timeout;
  132. extern int sysctl_rose_ack_hold_back_timeout;
  133. extern int sysctl_rose_routing_control;
  134. extern int sysctl_rose_link_fail_timeout;
  135. extern int sysctl_rose_maximum_vcs;
  136. extern int sysctl_rose_window_size;
  137. extern int rosecmp(rose_address *, rose_address *);
  138. extern int rosecmpm(rose_address *, rose_address *, unsigned short);
  139. extern const char *rose2asc(const rose_address *);
  140. extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
  141. extern void rose_kill_by_neigh(struct rose_neigh *);
  142. extern unsigned int rose_new_lci(struct rose_neigh *);
  143. extern int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int);
  144. extern void rose_destroy_socket(struct sock *);
  145. /* rose_dev.c */
  146. extern void rose_setup(struct net_device *);
  147. /* rose_in.c */
  148. extern int rose_process_rx_frame(struct sock *, struct sk_buff *);
  149. /* rose_link.c */
  150. extern void rose_start_ftimer(struct rose_neigh *);
  151. extern void rose_stop_ftimer(struct rose_neigh *);
  152. extern void rose_stop_t0timer(struct rose_neigh *);
  153. extern int rose_ftimer_running(struct rose_neigh *);
  154. extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short);
  155. extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char);
  156. extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *);
  157. /* rose_loopback.c */
  158. extern void rose_loopback_init(void);
  159. extern void rose_loopback_clear(void);
  160. extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *);
  161. /* rose_out.c */
  162. extern void rose_kick(struct sock *);
  163. extern void rose_enquiry_response(struct sock *);
  164. /* rose_route.c */
  165. extern struct rose_neigh rose_loopback_neigh;
  166. extern const struct file_operations rose_neigh_fops;
  167. extern const struct file_operations rose_nodes_fops;
  168. extern const struct file_operations rose_routes_fops;
  169. extern void rose_add_loopback_neigh(void);
  170. extern int __must_check rose_add_loopback_node(rose_address *);
  171. extern void rose_del_loopback_node(rose_address *);
  172. extern void rose_rt_device_down(struct net_device *);
  173. extern void rose_link_device_down(struct net_device *);
  174. extern struct net_device *rose_dev_first(void);
  175. extern struct net_device *rose_dev_get(rose_address *);
  176. extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *);
  177. extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *);
  178. extern int rose_rt_ioctl(unsigned int, void __user *);
  179. extern void rose_link_failed(ax25_cb *, int);
  180. extern int rose_route_frame(struct sk_buff *, ax25_cb *);
  181. extern void rose_rt_free(void);
  182. /* rose_subr.c */
  183. extern void rose_clear_queues(struct sock *);
  184. extern void rose_frames_acked(struct sock *, unsigned short);
  185. extern void rose_requeue_frames(struct sock *);
  186. extern int rose_validate_nr(struct sock *, unsigned short);
  187. extern void rose_write_internal(struct sock *, int);
  188. extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *);
  189. extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *);
  190. extern void rose_disconnect(struct sock *, int, int, int);
  191. /* rose_timer.c */
  192. extern void rose_start_heartbeat(struct sock *);
  193. extern void rose_start_t1timer(struct sock *);
  194. extern void rose_start_t2timer(struct sock *);
  195. extern void rose_start_t3timer(struct sock *);
  196. extern void rose_start_hbtimer(struct sock *);
  197. extern void rose_start_idletimer(struct sock *);
  198. extern void rose_stop_heartbeat(struct sock *);
  199. extern void rose_stop_timer(struct sock *);
  200. extern void rose_stop_idletimer(struct sock *);
  201. /* sysctl_net_rose.c */
  202. extern void rose_register_sysctl(void);
  203. extern void rose_unregister_sysctl(void);
  204. #endif