#include "wifi_hal.h" #ifndef __WIFI_HAL_COMMON_H__ #define __WIFI_HAL_COMMON_H__ #define LOG_TAG "WifiHAL" #include #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 /* 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 */ /* 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 Logger related commands between 0x1400 and 0x14FF */ ANDROID_NL80211_SUBCMD_DEBUG_RANGE_START = 0x1400, ANDROID_NL80211_SUBCMD_DEBUG_RANGE_END = 0x14FF, /* define all wifi offload related commands between 0x1600 and 0x16FF */ ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START = 0x1600, ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END = 0x16FF, /* This is reserved for future usage */ } ANDROID_VENDOR_SUB_COMMAND; typedef enum { GSCAN_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START, GSCAN_SUBCMD_SET_CONFIG, /* 0x1001 */ GSCAN_SUBCMD_SET_SCAN_CONFIG, /* 0x1002 */ GSCAN_SUBCMD_ENABLE_GSCAN, /* 0x1003 */ GSCAN_SUBCMD_GET_SCAN_RESULTS, /* 0x1004 */ GSCAN_SUBCMD_SCAN_RESULTS, /* 0x1005 */ GSCAN_SUBCMD_SET_HOTLIST, /* 0x1006 */ GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG, /* 0x1007 */ GSCAN_SUBCMD_ENABLE_FULL_SCAN_RESULTS, /* 0x1008 */ GSCAN_SUBCMD_GET_CHANNEL_LIST, /* 0x1009 */ WIFI_SUBCMD_GET_FEATURE_SET, /* 0x100A */ WIFI_SUBCMD_GET_FEATURE_SET_MATRIX, /* 0x100B */ WIFI_SUBCMD_SET_PNO_RANDOM_MAC_OUI, /* 0x100C */ WIFI_SUBCMD_NODFS_SET, /* 0x100D */ WIFI_SUBCMD_SET_COUNTRY_CODE, /* 0x100E */ /* Add more sub commands here */ GSCAN_SUBCMD_SET_EPNO_SSID, /* 0x100F */ WIFI_SUBCMD_SET_SSID_WHITE_LIST, /* 0x1010 */ WIFI_SUBCMD_SET_ROAM_PARAMS, /* 0x1011 */ WIFI_SUBCMD_ENABLE_LAZY_ROAM, /* 0x1012 */ WIFI_SUBCMD_SET_BSSID_PREF, /* 0x1013 */ WIFI_SUBCMD_SET_BSSID_BLACKLIST, /* 0x1014 */ GSCAN_SUBCMD_ANQPO_CONFIG, /* 0x1015 */ WIFI_SUBCMD_SET_RSSI_MONITOR, /* 0x1016 */ /* Add more sub commands here */ GSCAN_SUBCMD_MAX } WIFI_SUB_COMMAND; typedef enum { BRCM_RESERVED1, BRCM_RESERVED2, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS , GSCAN_EVENT_HOTLIST_RESULTS_FOUND, GSCAN_EVENT_SCAN_RESULTS_AVAILABLE, GSCAN_EVENT_FULL_SCAN_RESULTS, RTT_EVENT_COMPLETE, GSCAN_EVENT_COMPLETE_SCAN, GSCAN_EVENT_HOTLIST_RESULTS_LOST, GSCAN_EVENT_EPNO_EVENT, GOOGLE_DEBUG_RING_EVENT, GOOGLE_DEBUG_MEM_DUMP_EVENT, GSCAN_EVENT_ANQPO_HOTSPOT_MATCH, GOOGLE_RSSI_MONITOR_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 exit since cleanup has started 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; #define PNO_SSID_FOUND 0x1 #define PNO_SSID_LOST 0x2 typedef struct wifi_pno_result { unsigned char ssid[32]; unsigned char ssid_len; signed char rssi; u16 channel; u16 flags; mac_addr bssid; } wifi_pno_result_t; 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); 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); wifi_error wifi_cancel_cmd(wifi_request_id id, wifi_interface_handle iface); // some common macros #define min(x, y) ((x) < (y) ? (x) : (y)) #define max(x, y) ((x) > (y) ? (x) : (y)) #endif