| |
| #include "wifi_hal.h" |
| |
| #ifndef __WIFI_HAL_COMMON_H__ |
| #define __WIFI_HAL_COMMON_H__ |
| |
| #define LOG_TAG "WifiHAL" |
| |
| #include <utils/Log.h> |
| #include "nl80211_copy.h" |
| #include "sync.h" |
| |
| #define SOCKET_BUFFER_SIZE (32768U) |
| #define RECV_BUF_SIZE (4096) |
| #define DEFAULT_EVENT_CB_SIZE (64) |
| #define DEFAULT_CMD_SIZE (64) |
| #define DOT11_OUI_LEN 3 |
| |
| typedef struct { |
| int num_bssid; |
| mac_addr bssids[MAX_BLACKLIST_BSSID]; |
| } wifi_bssid_params; |
| |
| /* |
| Vendor OUI - This is a unique identifier that identifies organization. Lets |
| code Android specific functions with Google OUI; although vendors can do more |
| with their own OUI's as well. |
| */ |
| |
| const uint32_t GOOGLE_OUI = 0x001A11; |
| /* TODO: define vendor OUI here */ |
| |
| typedef enum { |
| |
| GSCAN_ATTRIBUTE_NUM_BUCKETS = 10, |
| GSCAN_ATTRIBUTE_BASE_PERIOD, |
| GSCAN_ATTRIBUTE_BUCKETS_BAND, |
| GSCAN_ATTRIBUTE_BUCKET_ID, |
| GSCAN_ATTRIBUTE_BUCKET_PERIOD, |
| GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS, |
| GSCAN_ATTRIBUTE_BUCKET_CHANNELS, |
| GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN, |
| GSCAN_ATTRIBUTE_REPORT_THRESHOLD, |
| GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE, |
| GSCAN_ATTRIBUTE_REPORT_THRESHOLD_NUM_SCANS, |
| GSCAN_ATTRIBUTE_BAND = GSCAN_ATTRIBUTE_BUCKETS_BAND, |
| |
| GSCAN_ATTRIBUTE_ENABLE_FEATURE = 20, |
| GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE, /* indicates no more results */ |
| GSCAN_ATTRIBUTE_REPORT_EVENTS, |
| |
| /* remaining reserved for additional attributes */ |
| GSCAN_ATTRIBUTE_NUM_OF_RESULTS = 30, |
| GSCAN_ATTRIBUTE_SCAN_RESULTS, /* flat array of wifi_scan_result */ |
| GSCAN_ATTRIBUTE_NUM_CHANNELS, |
| GSCAN_ATTRIBUTE_CHANNEL_LIST, |
| GSCAN_ATTRIBUTE_SCAN_ID, |
| GSCAN_ATTRIBUTE_SCAN_FLAGS, |
| GSCAN_ATTRIBUTE_SCAN_BUCKET_BIT, |
| |
| /* remaining reserved for additional attributes */ |
| |
| GSCAN_ATTRIBUTE_SSID = 40, |
| GSCAN_ATTRIBUTE_BSSID, |
| GSCAN_ATTRIBUTE_CHANNEL, |
| GSCAN_ATTRIBUTE_RSSI, |
| GSCAN_ATTRIBUTE_TIMESTAMP, |
| GSCAN_ATTRIBUTE_RTT, |
| GSCAN_ATTRIBUTE_RTTSD, |
| |
| /* remaining reserved for additional attributes */ |
| |
| GSCAN_ATTRIBUTE_HOTLIST_BSSIDS = 50, |
| GSCAN_ATTRIBUTE_RSSI_LOW, |
| GSCAN_ATTRIBUTE_RSSI_HIGH, |
| GSCAN_ATTRIBUTE_HOTLIST_ELEM, |
| GSCAN_ATTRIBUTE_HOTLIST_FLUSH, |
| GSCAN_ATTRIBUTE_CHANNEL_NUMBER, |
| |
| /* remaining reserved for additional attributes */ |
| GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE = 60, |
| GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, |
| GSCAN_ATTRIBUTE_MIN_BREACHING, |
| GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS, |
| |
| GSCAN_ATTRIBUTE_BUCKET_STEP_COUNT = 70, |
| GSCAN_ATTRIBUTE_BUCKET_EXPONENT, |
| GSCAN_ATTRIBUTE_BUCKET_MAX_PERIOD, |
| |
| GSCAN_ATTRIBUTE_NUM_BSSID, |
| GSCAN_ATTRIBUTE_BLACKLIST_BSSID, |
| |
| GSCAN_ATTRIBUTE_MAX |
| |
| } GSCAN_ATTRIBUTE; |
| |
| /* |
| This enum defines ranges for various commands; commands themselves |
| can be defined in respective feature headers; i.e. find gscan command |
| definitions in gscan.cpp |
| */ |
| |
| typedef enum { |
| /* don't use 0 as a valid subcommand */ |
| VENDOR_NL80211_SUBCMD_UNSPECIFIED, |
| |
| /* define all vendor startup commands between 0x0 and 0x0FFF */ |
| VENDOR_NL80211_SUBCMD_RANGE_START = 0x0001, |
| VENDOR_NL80211_SUBCMD_RANGE_END = 0x0FFF, |
| |
| /* define all GScan related commands between 0x1000 and 0x10FF */ |
| ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START = 0x1000, |
| ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END = 0x10FF, |
| |
| /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */ |
| ANDROID_NL80211_SUBCMD_NBD_RANGE_START = 0x1100, |
| ANDROID_NL80211_SUBCMD_NBD_RANGE_END = 0x11FF, |
| |
| /* define all RTT related commands between 0x1100 and 0x11FF */ |
| ANDROID_NL80211_SUBCMD_RTT_RANGE_START = 0x1100, |
| ANDROID_NL80211_SUBCMD_RTT_RANGE_END = 0x11FF, |
| |
| ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START = 0x1200, |
| ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END = 0x12FF, |
| |
| /* define all wifi offload related commands between 0x1400 and 0x14FF */ |
| ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START = 0x1400, |
| ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END = 0x14FF, |
| |
| /* This is reserved for future usage */ |
| |
| } ANDROID_VENDOR_SUB_COMMAND; |
| |
| typedef enum { |
| SLSI_NL80211_VENDOR_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START, |
| SLSI_NL80211_VENDOR_SUBCMD_GET_VALID_CHANNELS, |
| SLSI_NL80211_VENDOR_SUBCMD_ADD_GSCAN, |
| SLSI_NL80211_VENDOR_SUBCMD_DEL_GSCAN, |
| SLSI_NL80211_VENDOR_SUBCMD_GET_SCAN_RESULTS, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_HOTLIST, |
| SLSI_NL80211_VENDOR_SUBCMD_RESET_BSSID_HOTLIST, |
| SLSI_NL80211_VENDOR_SUBCMD_GET_HOTLIST_RESULTS, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_SIGNIFICANT_CHANGE, |
| SLSI_NL80211_VENDOR_SUBCMD_RESET_SIGNIFICANT_CHANGE, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_GSCAN_OUI, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_NODFS, |
| /*Add any GSCAN subcmds before this*/ |
| SLSI_NL80211_VENDOR_SUBCMD_START_KEEP_ALIVE_OFFLOAD, |
| SLSI_NL80211_VENDOR_SUBCMD_STOP_KEEP_ALIVE_OFFLOAD, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_BSSID_BLACKLIST, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_EPNO_LIST, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_HS_LIST, |
| SLSI_NL80211_VENDOR_SUBCMD_RESET_HS_LIST, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_RSSI_MONITOR, |
| SLSI_NL80211_VENDOR_SUBCMD_LLS_SET_INFO, |
| SLSI_NL80211_VENDOR_SUBCMD_LLS_GET_INFO, |
| SLSI_NL80211_VENDOR_SUBCMD_LLS_CLEAR_INFO, |
| SLSI_NL80211_VENDOR_SUBCMD_GET_FEATURE_SET, |
| SLSI_NL80211_VENDOR_SUBCMD_SET_COUNTRY_CODE |
| } WIFI_SUB_COMMAND; |
| |
| typedef enum { |
| GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS , |
| GSCAN_EVENT_HOTLIST_RESULTS_FOUND, |
| GSCAN_EVENT_SCAN_RESULTS_AVAILABLE, |
| GSCAN_EVENT_FULL_SCAN_RESULTS, |
| GSCAN_EVENT_COMPLETE_SCAN, |
| GSCAN_EVENT_HOTLIST_RESULTS_LOST, |
| WIFI_SUBCMD_KEY_MGMT_ROAM_AUTH, /* Handled by supplicant. not in Wifi-HAL */ |
| WIFI_HANGED_EVENT, |
| WIFI_EPNO_EVENT, |
| WIFI_HOTSPOT_MATCH, |
| WIFI_RSSI_REPORT_EVENT |
| |
| } WIFI_EVENT; |
| |
| typedef void (*wifi_internal_event_handler) (wifi_handle handle, int events); |
| |
| class WifiCommand; |
| |
| typedef struct { |
| int nl_cmd; |
| uint32_t vendor_id; |
| int vendor_subcmd; |
| nl_recvmsg_msg_cb_t cb_func; |
| void *cb_arg; |
| } cb_info; |
| |
| typedef struct { |
| wifi_request_id id; |
| WifiCommand *cmd; |
| } cmd_info; |
| |
| typedef struct { |
| wifi_handle handle; // handle to wifi data |
| char name[8+1]; // interface name + trailing null |
| int id; // id to use when talking to driver |
| } interface_info; |
| |
| typedef struct { |
| |
| struct nl_sock *cmd_sock; // command socket object |
| struct nl_sock *event_sock; // event socket object |
| int nl80211_family_id; // family id for 80211 driver |
| int cleanup_socks[2]; // sockets used to implement wifi_cleanup |
| |
| bool in_event_loop; // Indicates that event loop is active |
| bool clean_up; // Indication to clean up the socket |
| |
| wifi_internal_event_handler event_handler; // default event handler |
| wifi_cleaned_up_handler cleaned_up_handler; // socket cleaned up handler |
| |
| cb_info *event_cb; // event callbacks |
| int num_event_cb; // number of event callbacks |
| int alloc_event_cb; // number of allocated callback objects |
| pthread_mutex_t cb_lock; // mutex for the event_cb access |
| |
| cmd_info *cmd; // Outstanding commands |
| int num_cmd; // number of commands |
| int alloc_cmd; // number of commands allocated |
| |
| interface_info **interfaces; // array of interfaces |
| int num_interfaces; // number of interfaces |
| |
| |
| // add other details |
| } hal_info; |
| |
| wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg); |
| wifi_error wifi_register_vendor_handler(wifi_handle handle, |
| uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg); |
| |
| void wifi_unregister_handler(wifi_handle handle, int cmd); |
| void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd); |
| |
| wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd); |
| WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id); |
| WifiCommand *wifi_get_cmd(wifi_handle handle, int id); |
| void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd); |
| wifi_error wifi_cancel_cmd(wifi_request_id id, wifi_interface_handle iface); |
| |
| interface_info *getIfaceInfo(wifi_interface_handle); |
| wifi_handle getWifiHandle(wifi_interface_handle handle); |
| hal_info *getHalInfo(wifi_handle handle); |
| hal_info *getHalInfo(wifi_interface_handle handle); |
| wifi_handle getWifiHandle(hal_info *info); |
| wifi_interface_handle getIfaceHandle(interface_info *info); |
| |
| |
| // some common macros |
| |
| #define min(x, y) ((x) < (y) ? (x) : (y)) |
| #define max(x, y) ((x) > (y) ? (x) : (y)) |
| |
| #endif |
| |