1 /* -----------------------------------------------------------------------------
2  * Copyright (c) 2011 Ozmo Inc
3  * Released under the GNU General Public License Version 2 (GPLv2).
4  * -----------------------------------------------------------------------------
5  */
6 #ifndef _OZPROTO_H
7 #define _OZPROTO_H
8 
9 #include <asm/byteorder.h>
10 #include "ozconfig.h"
11 #include "ozappif.h"
12 
13 #define OZ_ALLOCATED_SPACE(__x)	(LL_RESERVED_SPACE(__x)+(__x)->needed_tailroom)
14 
15 /* Converts millisecs to jiffies.
16  */
17 #define oz_ms_to_jiffies(__x)	(((__x)*1000)/HZ)
18 
19 /* Quantum milliseconds.
20  */
21 #define OZ_QUANTUM_MS		8
22 /* Quantum jiffies
23  */
24 #define OZ_QUANTUM_J		(oz_ms_to_jiffies(OZ_QUANTUM_MS))
25 /* Default timeouts.
26  */
27 #define OZ_CONNECTION_TOUT_J	(2*HZ)
28 #define OZ_PRESLEEP_TOUT_J	(11*HZ)
29 
30 /* Maximun sizes of tx frames. */
31 #define OZ_MAX_TX_SIZE		1514
32 
33 /* Application handler functions.
34  */
35 typedef int (*oz_app_init_fn_t)(void);
36 typedef void (*oz_app_term_fn_t)(void);
37 typedef int (*oz_app_start_fn_t)(struct oz_pd *pd, int resume);
38 typedef void (*oz_app_stop_fn_t)(struct oz_pd *pd, int pause);
39 typedef void (*oz_app_rx_fn_t)(struct oz_pd *pd, struct oz_elt *elt);
40 typedef int (*oz_app_hearbeat_fn_t)(struct oz_pd *pd);
41 typedef void (*oz_app_farewell_fn_t)(struct oz_pd *pd, u8 ep_num,
42 			u8 *data, u8 len);
43 
44 struct oz_app_if {
45 	oz_app_init_fn_t	init;
46 	oz_app_term_fn_t	term;
47 	oz_app_start_fn_t	start;
48 	oz_app_stop_fn_t	stop;
49 	oz_app_rx_fn_t		rx;
50 	oz_app_hearbeat_fn_t	heartbeat;
51 	oz_app_farewell_fn_t	farewell;
52 	int			app_id;
53 };
54 
55 int oz_protocol_init(char *devs);
56 void oz_protocol_term(void);
57 int oz_get_pd_list(struct oz_mac_addr *addr, int max_count);
58 void oz_app_enable(int app_id, int enable);
59 struct oz_pd *oz_pd_find(u8 *mac_addr);
60 void oz_binding_add(char *net_dev);
61 void oz_binding_remove(char *net_dev);
62 void oz_timer_add(struct oz_pd *pd, int type, unsigned long due_time,
63 		int remove);
64 void oz_timer_delete(struct oz_pd *pd, int type);
65 void oz_pd_request_heartbeat(struct oz_pd *pd);
66 void oz_polling_lock_bh(void);
67 void oz_polling_unlock_bh(void);
68 
69 #endif /* _OZPROTO_H */
70