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
21 mac_addr bssids
[MAX_BLACKLIST_BSSID
];
25 Vendor OUI - This is a unique identifier that identifies organization. Lets
26 code Android specific functions with Google OUI; although vendors can do more
27 with their own OUI's as well.
30 const uint32_t GOOGLE_OUI
= 0x001A11;
31 /* TODO: define vendor OUI here */
35 GSCAN_ATTRIBUTE_NUM_BUCKETS
= 10,
36 GSCAN_ATTRIBUTE_BASE_PERIOD
,
37 GSCAN_ATTRIBUTE_BUCKETS_BAND
,
38 GSCAN_ATTRIBUTE_BUCKET_ID
,
39 GSCAN_ATTRIBUTE_BUCKET_PERIOD
,
40 GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS
,
41 GSCAN_ATTRIBUTE_BUCKET_CHANNELS
,
42 GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN
,
43 GSCAN_ATTRIBUTE_REPORT_THRESHOLD
,
44 GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE
,
45 GSCAN_ATTRIBUTE_REPORT_THRESHOLD_NUM_SCANS
,
46 GSCAN_ATTRIBUTE_BAND
= GSCAN_ATTRIBUTE_BUCKETS_BAND
,
48 GSCAN_ATTRIBUTE_ENABLE_FEATURE
= 20,
49 GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE
, /* indicates no more results */
50 GSCAN_ATTRIBUTE_REPORT_EVENTS
,
52 /* remaining reserved for additional attributes */
53 GSCAN_ATTRIBUTE_NUM_OF_RESULTS
= 30,
54 GSCAN_ATTRIBUTE_SCAN_RESULTS
, /* flat array of wifi_scan_result */
55 GSCAN_ATTRIBUTE_NUM_CHANNELS
,
56 GSCAN_ATTRIBUTE_CHANNEL_LIST
,
57 GSCAN_ATTRIBUTE_SCAN_ID
,
58 GSCAN_ATTRIBUTE_SCAN_FLAGS
,
59 GSCAN_ATTRIBUTE_SCAN_BUCKET_BIT
,
61 /* remaining reserved for additional attributes */
63 GSCAN_ATTRIBUTE_SSID
= 40,
64 GSCAN_ATTRIBUTE_BSSID
,
65 GSCAN_ATTRIBUTE_CHANNEL
,
67 GSCAN_ATTRIBUTE_TIMESTAMP
,
69 GSCAN_ATTRIBUTE_RTTSD
,
71 /* remaining reserved for additional attributes */
73 GSCAN_ATTRIBUTE_HOTLIST_BSSIDS
= 50,
74 GSCAN_ATTRIBUTE_RSSI_LOW
,
75 GSCAN_ATTRIBUTE_RSSI_HIGH
,
76 GSCAN_ATTRIBUTE_HOTLIST_ELEM
,
77 GSCAN_ATTRIBUTE_HOTLIST_FLUSH
,
78 GSCAN_ATTRIBUTE_CHANNEL_NUMBER
,
80 /* remaining reserved for additional attributes */
81 GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE
= 60,
82 GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE
,
83 GSCAN_ATTRIBUTE_MIN_BREACHING
,
84 GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS
,
86 GSCAN_ATTRIBUTE_BUCKET_STEP_COUNT
= 70,
87 GSCAN_ATTRIBUTE_BUCKET_EXPONENT
,
88 GSCAN_ATTRIBUTE_BUCKET_MAX_PERIOD
,
90 GSCAN_ATTRIBUTE_NUM_BSSID
,
91 GSCAN_ATTRIBUTE_BLACKLIST_BSSID
,
98 This enum defines ranges for various commands; commands themselves
99 can be defined in respective feature headers; i.e. find gscan command
100 definitions in gscan.cpp
104 /* don't use 0 as a valid subcommand */
105 VENDOR_NL80211_SUBCMD_UNSPECIFIED
,
107 /* define all vendor startup commands between 0x0 and 0x0FFF */
108 VENDOR_NL80211_SUBCMD_RANGE_START
= 0x0001,
109 VENDOR_NL80211_SUBCMD_RANGE_END
= 0x0FFF,
111 /* define all GScan related commands between 0x1000 and 0x10FF */
112 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START
= 0x1000,
113 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END
= 0x10FF,
115 /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */
116 ANDROID_NL80211_SUBCMD_NBD_RANGE_START
= 0x1100,
117 ANDROID_NL80211_SUBCMD_NBD_RANGE_END
= 0x11FF,
119 /* define all RTT related commands between 0x1100 and 0x11FF */
120 ANDROID_NL80211_SUBCMD_RTT_RANGE_START
= 0x1100,
121 ANDROID_NL80211_SUBCMD_RTT_RANGE_END
= 0x11FF,
123 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START
= 0x1200,
124 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END
= 0x12FF,
126 /* define all wifi offload related commands between 0x1400 and 0x14FF */
127 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START
= 0x1400,
128 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END
= 0x14FF,
130 /* This is reserved for future usage */
132 } ANDROID_VENDOR_SUB_COMMAND
;
135 SLSI_NL80211_VENDOR_SUBCMD_GET_CAPABILITIES
= ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START
,
136 SLSI_NL80211_VENDOR_SUBCMD_GET_VALID_CHANNELS
,
137 SLSI_NL80211_VENDOR_SUBCMD_ADD_GSCAN
,
138 SLSI_NL80211_VENDOR_SUBCMD_DEL_GSCAN
,
139 SLSI_NL80211_VENDOR_SUBCMD_GET_SCAN_RESULTS
,
140 SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_HOTLIST
,
141 SLSI_NL80211_VENDOR_SUBCMD_RESET_BSSID_HOTLIST
,
142 SLSI_NL80211_VENDOR_SUBCMD_GET_HOTLIST_RESULTS
,
143 SLSI_NL80211_VENDOR_SUBCMD_SET_SIGNIFICANT_CHANGE
,
144 SLSI_NL80211_VENDOR_SUBCMD_RESET_SIGNIFICANT_CHANGE
,
145 SLSI_NL80211_VENDOR_SUBCMD_SET_GSCAN_OUI
,
146 SLSI_NL80211_VENDOR_SUBCMD_SET_NODFS
,
147 /*Add any GSCAN subcmds before this*/
148 SLSI_NL80211_VENDOR_SUBCMD_START_KEEP_ALIVE_OFFLOAD
,
149 SLSI_NL80211_VENDOR_SUBCMD_STOP_KEEP_ALIVE_OFFLOAD
,
150 SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_BLACKLIST
,
151 SLSI_NL80211_VENDOR_SUBCMD_SET_EPNO_LIST
,
152 SLSI_NL80211_VENDOR_SUBCMD_SET_HS_LIST
,
153 SLSI_NL80211_VENDOR_SUBCMD_RESET_HS_LIST
,
154 SLSI_NL80211_VENDOR_SUBCMD_SET_RSSI_MONITOR
,
155 SLSI_NL80211_VENDOR_SUBCMD_LLS_SET_INFO
,
156 SLSI_NL80211_VENDOR_SUBCMD_LLS_GET_INFO
,
157 SLSI_NL80211_VENDOR_SUBCMD_LLS_CLEAR_INFO
,
158 SLSI_NL80211_VENDOR_SUBCMD_GET_FEATURE_SET
,
159 SLSI_NL80211_VENDOR_SUBCMD_SET_COUNTRY_CODE
163 GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS
,
164 GSCAN_EVENT_HOTLIST_RESULTS_FOUND
,
165 GSCAN_EVENT_SCAN_RESULTS_AVAILABLE
,
166 GSCAN_EVENT_FULL_SCAN_RESULTS
,
167 GSCAN_EVENT_COMPLETE_SCAN
,
168 GSCAN_EVENT_HOTLIST_RESULTS_LOST
,
169 WIFI_SUBCMD_KEY_MGMT_ROAM_AUTH
, /* Handled by supplicant. not in Wifi-HAL */
173 WIFI_RSSI_REPORT_EVENT
177 typedef void (*wifi_internal_event_handler
) (wifi_handle handle
, int events
);
185 nl_recvmsg_msg_cb_t cb_func
;
195 wifi_handle handle
; // handle to wifi data
196 char name
[8+1]; // interface name + trailing null
197 int id
; // id to use when talking to driver
202 struct nl_sock
*cmd_sock
; // command socket object
203 struct nl_sock
*event_sock
; // event socket object
204 int nl80211_family_id
; // family id for 80211 driver
205 int cleanup_socks
[2]; // sockets used to implement wifi_cleanup
207 bool in_event_loop
; // Indicates that event loop is active
208 bool clean_up
; // Indication to clean up the socket
210 wifi_internal_event_handler event_handler
; // default event handler
211 wifi_cleaned_up_handler cleaned_up_handler
; // socket cleaned up handler
213 cb_info
*event_cb
; // event callbacks
214 int num_event_cb
; // number of event callbacks
215 int alloc_event_cb
; // number of allocated callback objects
216 pthread_mutex_t cb_lock
; // mutex for the event_cb access
218 cmd_info
*cmd
; // Outstanding commands
219 int num_cmd
; // number of commands
220 int alloc_cmd
; // number of commands allocated
222 interface_info
**interfaces
; // array of interfaces
223 int num_interfaces
; // number of interfaces
229 wifi_error
wifi_register_handler(wifi_handle handle
, int cmd
, nl_recvmsg_msg_cb_t func
, void *arg
);
230 wifi_error
wifi_register_vendor_handler(wifi_handle handle
,
231 uint32_t id
, int subcmd
, nl_recvmsg_msg_cb_t func
, void *arg
);
233 void wifi_unregister_handler(wifi_handle handle
, int cmd
);
234 void wifi_unregister_vendor_handler(wifi_handle handle
, uint32_t id
, int subcmd
);
236 wifi_error
wifi_register_cmd(wifi_handle handle
, int id
, WifiCommand
*cmd
);
237 WifiCommand
*wifi_unregister_cmd(wifi_handle handle
, int id
);
238 WifiCommand
*wifi_get_cmd(wifi_handle handle
, int id
);
239 void wifi_unregister_cmd(wifi_handle handle
, WifiCommand
*cmd
);
240 wifi_error
wifi_cancel_cmd(wifi_request_id id
, wifi_interface_handle iface
);
242 interface_info
*getIfaceInfo(wifi_interface_handle
);
243 wifi_handle
getWifiHandle(wifi_interface_handle handle
);
244 hal_info
*getHalInfo(wifi_handle handle
);
245 hal_info
*getHalInfo(wifi_interface_handle handle
);
246 wifi_handle
getWifiHandle(hal_info
*info
);
247 wifi_interface_handle
getIfaceHandle(interface_info
*info
);
250 // some common macros
252 #define min(x, y) ((x) < (y) ? (x) : (y))
253 #define max(x, y) ((x) > (y) ? (x) : (y))