4 #ifndef __WIFI_HAL_COMMON_H__
5 #define __WIFI_HAL_COMMON_H__
7 #define LOG_TAG "WifiHAL"
10 #include "nl80211_copy.h"
13 #define SOCKET_BUFFER_SIZE (32768U)
14 #define RECV_BUF_SIZE (4096)
15 #define DEFAULT_EVENT_CB_SIZE (64)
16 #define DEFAULT_CMD_SIZE (64)
17 #define DOT11_OUI_LEN 3
20 Vendor OUI - This is a unique identifier that identifies organization. Lets
21 code Android specific functions with Google OUI; although vendors can do more
22 with their own OUI's as well.
25 const uint32_t GOOGLE_OUI
= 0x001A11;
26 /* TODO: define vendor OUI here */
30 This enum defines ranges for various commands; commands themselves
31 can be defined in respective feature headers; i.e. find gscan command
32 definitions in gscan.cpp
36 /* don't use 0 as a valid subcommand */
37 VENDOR_NL80211_SUBCMD_UNSPECIFIED
,
39 /* define all vendor startup commands between 0x0 and 0x0FFF */
40 VENDOR_NL80211_SUBCMD_RANGE_START
= 0x0001,
41 VENDOR_NL80211_SUBCMD_RANGE_END
= 0x0FFF,
43 /* define all GScan related commands between 0x1000 and 0x10FF */
44 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START
= 0x1000,
45 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END
= 0x10FF,
47 /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */
48 ANDROID_NL80211_SUBCMD_NBD_RANGE_START
= 0x1100,
49 ANDROID_NL80211_SUBCMD_NBD_RANGE_END
= 0x11FF,
51 /* define all RTT related commands between 0x1100 and 0x11FF */
52 ANDROID_NL80211_SUBCMD_RTT_RANGE_START
= 0x1100,
53 ANDROID_NL80211_SUBCMD_RTT_RANGE_END
= 0x11FF,
55 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START
= 0x1200,
56 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END
= 0x12FF,
58 /* define all wifi offload related commands between 0x1400 and 0x14FF */
59 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START
= 0x1400,
60 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END
= 0x14FF,
62 /* This is reserved for future usage */
64 } ANDROID_VENDOR_SUB_COMMAND
;
67 SLSI_NL80211_VENDOR_SUBCMD_GET_CAPABILITIES
= ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START
,
68 SLSI_NL80211_VENDOR_SUBCMD_GET_VALID_CHANNELS
,
69 SLSI_NL80211_VENDOR_SUBCMD_ADD_GSCAN
,
70 SLSI_NL80211_VENDOR_SUBCMD_DEL_GSCAN
,
71 SLSI_NL80211_VENDOR_SUBCMD_GET_SCAN_RESULTS
,
72 SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_HOTLIST
,
73 SLSI_NL80211_VENDOR_SUBCMD_RESET_BSSID_HOTLIST
,
74 SLSI_NL80211_VENDOR_SUBCMD_GET_HOTLIST_RESULTS
,
75 SLSI_NL80211_VENDOR_SUBCMD_SET_SIGNIFICANT_CHANGE
,
76 SLSI_NL80211_VENDOR_SUBCMD_RESET_SIGNIFICANT_CHANGE
,
77 SLSI_NL80211_VENDOR_SUBCMD_SET_GSCAN_OUI
,
78 SLSI_NL80211_VENDOR_SUBCMD_SET_NODFS
,
79 SLSI_NL80211_VENDOR_SUBCMD_START_KEEP_ALIVE_OFFLOAD
,
80 SLSI_NL80211_VENDOR_SUBCMD_STOP_KEEP_ALIVE_OFFLOAD
84 GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS
,
85 GSCAN_EVENT_HOTLIST_RESULTS_FOUND
,
86 GSCAN_EVENT_SCAN_RESULTS_AVAILABLE
,
87 GSCAN_EVENT_FULL_SCAN_RESULTS
,
88 GSCAN_EVENT_COMPLETE_SCAN
,
89 GSCAN_EVENT_HOTLIST_RESULTS_LOST
92 typedef void (*wifi_internal_event_handler
) (wifi_handle handle
, int events
);
100 nl_recvmsg_msg_cb_t cb_func
;
110 wifi_handle handle
; // handle to wifi data
111 char name
[8+1]; // interface name + trailing null
112 int id
; // id to use when talking to driver
117 struct nl_sock
*cmd_sock
; // command socket object
118 struct nl_sock
*event_sock
; // event socket object
119 int nl80211_family_id
; // family id for 80211 driver
120 int cleanup_socks
[2]; // sockets used to implement wifi_cleanup
122 bool in_event_loop
; // Indicates that event loop is active
123 bool clean_up
; // Indication to clean up the socket
125 wifi_internal_event_handler event_handler
; // default event handler
126 wifi_cleaned_up_handler cleaned_up_handler
; // socket cleaned up handler
128 cb_info
*event_cb
; // event callbacks
129 int num_event_cb
; // number of event callbacks
130 int alloc_event_cb
; // number of allocated callback objects
131 pthread_mutex_t cb_lock
; // mutex for the event_cb access
133 cmd_info
*cmd
; // Outstanding commands
134 int num_cmd
; // number of commands
135 int alloc_cmd
; // number of commands allocated
137 interface_info
**interfaces
; // array of interfaces
138 int num_interfaces
; // number of interfaces
144 wifi_error
wifi_register_handler(wifi_handle handle
, int cmd
, nl_recvmsg_msg_cb_t func
, void *arg
);
145 wifi_error
wifi_register_vendor_handler(wifi_handle handle
,
146 uint32_t id
, int subcmd
, nl_recvmsg_msg_cb_t func
, void *arg
);
148 void wifi_unregister_handler(wifi_handle handle
, int cmd
);
149 void wifi_unregister_vendor_handler(wifi_handle handle
, uint32_t id
, int subcmd
);
151 wifi_error
wifi_register_cmd(wifi_handle handle
, int id
, WifiCommand
*cmd
);
152 WifiCommand
*wifi_unregister_cmd(wifi_handle handle
, int id
);
153 WifiCommand
*wifi_get_cmd(wifi_handle handle
, int id
);
154 void wifi_unregister_cmd(wifi_handle handle
, WifiCommand
*cmd
);
156 interface_info
*getIfaceInfo(wifi_interface_handle
);
157 wifi_handle
getWifiHandle(wifi_interface_handle handle
);
158 hal_info
*getHalInfo(wifi_handle handle
);
159 hal_info
*getHalInfo(wifi_interface_handle handle
);
160 wifi_handle
getWifiHandle(hal_info
*info
);
161 wifi_interface_handle
getIfaceHandle(interface_info
*info
);
164 // some common macros
166 #define min(x, y) ((x) < (y) ? (x) : (y))
167 #define max(x, y) ((x) > (y) ? (x) : (y))