1 /* -----------------------------------------------------------------------------
2 * Copyright (c) 2011 Ozmo Inc
3 * Released under the GNU General Public License Version 2 (GPLv2).
4 * -----------------------------------------------------------------------------
13 #define OZ_PD_S_IDLE 0x1
14 #define OZ_PD_S_CONNECTED 0x2
15 #define OZ_PD_S_SLEEP 0x4
16 #define OZ_PD_S_STOPPED 0x8
20 #define OZ_TIMER_TOUT 1
21 #define OZ_TIMER_HEARTBEAT 2
22 #define OZ_TIMER_STOP 3
24 /* Data structure that hold information on a frame for transmisson. This is
25 * built when the frame is first transmitted and is used to rebuild the frame
26 * if a re-transmission is required.
29 struct list_head link;
30 struct list_head elt_list;
35 struct oz_isoc_stream {
36 struct list_head link;
42 struct oz_hdr *oz_hdr;
46 struct list_head link;
53 /* Data structure that holds information on a specific peripheral device (PD).
56 struct list_head link;
58 u8 mac_addr[ETH_ALEN];
71 unsigned long pulse_time_j;
72 unsigned long timeout_time_j;
73 unsigned long pulse_period_j;
74 unsigned long presleep_j;
75 unsigned long keep_alive_j;
76 unsigned long last_rx_time_j;
77 struct oz_elt_buf elt_buff;
78 void *app_ctx[OZ_APPID_MAX];
79 spinlock_t app_lock[OZ_APPID_MAX];
81 u8 heartbeat_requested;
84 unsigned max_stream_buffering;
86 struct list_head *tx_pool;
88 spinlock_t tx_frame_lock;
89 struct list_head *last_sent_frame;
90 struct list_head tx_queue;
91 struct list_head farewell_list;
92 spinlock_t stream_lock;
93 struct list_head stream_list;
94 struct net_device *net_dev;
97 #define OZ_MAX_QUEUED_FRAMES 4
99 struct oz_pd *oz_pd_alloc(u8 *mac_addr);
100 void oz_pd_destroy(struct oz_pd *pd);
101 void oz_pd_get(struct oz_pd *pd);
102 void oz_pd_put(struct oz_pd *pd);
103 void oz_pd_set_state(struct oz_pd *pd, unsigned state);
104 void oz_pd_indicate_farewells(struct oz_pd *pd);
105 int oz_pd_sleep(struct oz_pd *pd);
106 void oz_pd_stop(struct oz_pd *pd);
107 void oz_pd_heartbeat(struct oz_pd *pd, u16 apps);
108 int oz_services_start(struct oz_pd *pd, u16 apps, int resume);
109 void oz_services_stop(struct oz_pd *pd, u16 apps, int pause);
110 int oz_prepare_frame(struct oz_pd *pd, int empty);
111 void oz_send_queued_frames(struct oz_pd *pd, int backlog);
112 void oz_retire_tx_frames(struct oz_pd *pd, u8 lpn);
113 int oz_isoc_stream_create(struct oz_pd *pd, u8 ep_num);
114 int oz_isoc_stream_delete(struct oz_pd *pd, u8 ep_num);
115 int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, u8 *data, int len);
116 void oz_handle_app_elt(struct oz_pd *pd, u8 app_id, struct oz_elt *elt);
117 void oz_apps_init(void);
118 void oz_apps_term(void);