1 2 #include "wifi_hal.h" 3 4 #ifndef __WIFI_HAL_COMMON_H__ 5 #define __WIFI_HAL_COMMON_H__ 6 7 #define LOG_TAG "WifiHAL" 8 9 #include <utils/Log.h> 10 #include "nl80211_copy.h" 11 #include "sync.h" 12 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 18 #define DOT11_MAX_SSID_LEN 32 19 20 #define MAX_PROBE_RESP_IE_LEN 2048 21 /* 22 Vendor OUI - This is a unique identifier that identifies organization. Lets 23 code Android specific functions with Google OUI; although vendors can do more 24 with their own OUI's as well. 25 */ 26 27 const uint32_t GOOGLE_OUI = 0x001A11; 28 /* TODO: define vendor OUI here */ 29 30 31 /* 32 This enum defines ranges for various commands; commands themselves 33 can be defined in respective feature headers; i.e. find gscan command 34 definitions in gscan.cpp 35 */ 36 37 typedef enum { 38 /* don't use 0 as a valid subcommand */ 39 VENDOR_NL80211_SUBCMD_UNSPECIFIED, 40 41 /* define all vendor startup commands between 0x0 and 0x0FFF */ 42 VENDOR_NL80211_SUBCMD_RANGE_START = 0x0001, 43 VENDOR_NL80211_SUBCMD_RANGE_END = 0x0FFF, 44 45 /* define all GScan related commands between 0x1000 and 0x10FF */ 46 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START = 0x1000, 47 ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END = 0x10FF, 48 49 /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */ 50 ANDROID_NL80211_SUBCMD_NBD_RANGE_START = 0x1100, 51 ANDROID_NL80211_SUBCMD_NBD_RANGE_END = 0x11FF, 52 53 /* define all RTT related commands between 0x1100 and 0x11FF */ 54 ANDROID_NL80211_SUBCMD_RTT_RANGE_START = 0x1100, 55 ANDROID_NL80211_SUBCMD_RTT_RANGE_END = 0x11FF, 56 57 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START = 0x1200, 58 ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END = 0x12FF, 59 60 /* define all Logger related commands between 0x1400 and 0x14FF */ 61 ANDROID_NL80211_SUBCMD_DEBUG_RANGE_START = 0x1400, 62 ANDROID_NL80211_SUBCMD_DEBUG_RANGE_END = 0x14FF, 63 64 /* define all wifi offload related commands between 0x1600 and 0x16FF */ 65 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START = 0x1600, 66 ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END = 0x16FF, 67 68 /* define all NAN related commands between 0x1700 and 0x17FF */ 69 ANDROID_NL80211_SUBCMD_NAN_RANGE_START = 0x1700, 70 ANDROID_NL80211_SUBCMD_NAN_RANGE_END = 0x17FF, 71 72 /* define all Android Packet Filter related commands between 0x1800 and 0x18FF */ 73 ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START = 0x1800, 74 ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_END = 0x18FF, 75 76 /* This is reserved for future usage */ 77 78 } ANDROID_VENDOR_SUB_COMMAND; 79 80 typedef enum { 81 82 GSCAN_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START, 83 84 GSCAN_SUBCMD_SET_CONFIG, /* 0x1001 */ 85 86 GSCAN_SUBCMD_SET_SCAN_CONFIG, /* 0x1002 */ 87 GSCAN_SUBCMD_ENABLE_GSCAN, /* 0x1003 */ 88 GSCAN_SUBCMD_GET_SCAN_RESULTS, /* 0x1004 */ 89 GSCAN_SUBCMD_SCAN_RESULTS, /* 0x1005 */ 90 91 GSCAN_SUBCMD_SET_HOTLIST, /* 0x1006 */ 92 93 GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG, /* 0x1007 */ 94 GSCAN_SUBCMD_ENABLE_FULL_SCAN_RESULTS, /* 0x1008 */ 95 GSCAN_SUBCMD_GET_CHANNEL_LIST, /* 0x1009 */ 96 97 WIFI_SUBCMD_GET_FEATURE_SET, /* 0x100A */ 98 WIFI_SUBCMD_GET_FEATURE_SET_MATRIX, /* 0x100B */ 99 WIFI_SUBCMD_SET_PNO_RANDOM_MAC_OUI, /* 0x100C */ 100 WIFI_SUBCMD_NODFS_SET, /* 0x100D */ 101 WIFI_SUBCMD_SET_COUNTRY_CODE, /* 0x100E */ 102 /* Add more sub commands here */ 103 GSCAN_SUBCMD_SET_EPNO_SSID, /* 0x100F */ 104 105 WIFI_SUBCMD_SET_SSID_WHITE_LIST, /* 0x1010 */ 106 WIFI_SUBCMD_SET_ROAM_PARAMS, /* 0x1011 */ 107 WIFI_SUBCMD_ENABLE_LAZY_ROAM, /* 0x1012 */ 108 WIFI_SUBCMD_SET_BSSID_PREF, /* 0x1013 */ 109 WIFI_SUBCMD_SET_BSSID_BLACKLIST, /* 0x1014 */ 110 111 GSCAN_SUBCMD_ANQPO_CONFIG, /* 0x1015 */ 112 WIFI_SUBCMD_SET_RSSI_MONITOR, /* 0x1016 */ 113 WIFI_SUBCMD_CONFIG_ND_OFFLOAD, /* 0x1017 */ 114 /* Add more sub commands here */ 115 116 GSCAN_SUBCMD_MAX, 117 118 APF_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START, 119 APF_SUBCMD_SET_FILTER, 120 } WIFI_SUB_COMMAND; 121 122 typedef enum { 123 BRCM_RESERVED1, 124 BRCM_RESERVED2, 125 GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS , 126 GSCAN_EVENT_HOTLIST_RESULTS_FOUND, 127 GSCAN_EVENT_SCAN_RESULTS_AVAILABLE, 128 GSCAN_EVENT_FULL_SCAN_RESULTS, 129 RTT_EVENT_COMPLETE, 130 GSCAN_EVENT_COMPLETE_SCAN, 131 GSCAN_EVENT_HOTLIST_RESULTS_LOST, 132 GSCAN_EVENT_EPNO_EVENT, 133 GOOGLE_DEBUG_RING_EVENT, 134 GOOGLE_DEBUG_MEM_DUMP_EVENT, 135 GSCAN_EVENT_ANQPO_HOTSPOT_MATCH, 136 GOOGLE_RSSI_MONITOR_EVENT 137 } WIFI_EVENT; 138 139 typedef void (*wifi_internal_event_handler) (wifi_handle handle, int events); 140 141 class WifiCommand; 142 143 typedef struct { 144 int nl_cmd; 145 uint32_t vendor_id; 146 int vendor_subcmd; 147 nl_recvmsg_msg_cb_t cb_func; 148 void *cb_arg; 149 } cb_info; 150 151 typedef struct { 152 wifi_request_id id; 153 WifiCommand *cmd; 154 } cmd_info; 155 156 typedef struct { 157 wifi_handle handle; // handle to wifi data 158 char name[IFNAMSIZ+1]; // interface name + trailing null 159 int id; // id to use when talking to driver 160 } interface_info; 161 162 typedef struct { 163 164 struct nl_sock *cmd_sock; // command socket object 165 struct nl_sock *event_sock; // event socket object 166 int nl80211_family_id; // family id for 80211 driver 167 int cleanup_socks[2]; // sockets used to implement wifi_cleanup 168 169 bool in_event_loop; // Indicates that event loop is active 170 bool clean_up; // Indication to exit since cleanup has started 171 172 wifi_internal_event_handler event_handler; // default event handler 173 wifi_cleaned_up_handler cleaned_up_handler; // socket cleaned up handler 174 175 cb_info *event_cb; // event callbacks 176 int num_event_cb; // number of event callbacks 177 int alloc_event_cb; // number of allocated callback objects 178 pthread_mutex_t cb_lock; // mutex for the event_cb access 179 180 cmd_info *cmd; // Outstanding commands 181 int num_cmd; // number of commands 182 int alloc_cmd; // number of commands allocated 183 184 interface_info **interfaces; // array of interfaces 185 int num_interfaces; // number of interfaces 186 187 188 // add other details 189 } hal_info; 190 191 #define PNO_SSID_FOUND 0x1 192 #define PNO_SSID_LOST 0x2 193 194 typedef struct wifi_pno_result { 195 unsigned char ssid[DOT11_MAX_SSID_LEN]; 196 unsigned char ssid_len; 197 signed char rssi; 198 u16 channel; 199 u16 flags; 200 mac_addr bssid; 201 } wifi_pno_result_t; 202 203 typedef struct wifi_gscan_result { 204 u64 ts; // Time of discovery 205 u8 ssid[DOT11_MAX_SSID_LEN+1]; // null terminated 206 mac_addr bssid; // BSSID 207 u32 channel; // channel frequency in MHz 208 s32 rssi; // in db 209 u64 rtt; // in nanoseconds 210 u64 rtt_sd; // standard deviation in rtt 211 u16 beacon_period; // units are Kusec 212 u16 capability; // Capability information 213 u32 pad; 214 } wifi_gscan_result_t; 215 216 typedef struct wifi_gscan_full_result { 217 wifi_gscan_result_t fixed; 218 u32 scan_ch_bucket; // scan chbucket bitmask 219 u32 ie_length; // byte length of Information Elements 220 u8 ie_data[1]; // IE data to follow 221 } wifi_gscan_full_result_t; 222 223 wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg); 224 wifi_error wifi_register_vendor_handler(wifi_handle handle, 225 uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg); 226 227 void wifi_unregister_handler(wifi_handle handle, int cmd); 228 void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd); 229 230 wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd); 231 WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id); 232 WifiCommand *wifi_get_cmd(wifi_handle handle, int id); 233 void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd); 234 235 interface_info *getIfaceInfo(wifi_interface_handle); 236 wifi_handle getWifiHandle(wifi_interface_handle handle); 237 hal_info *getHalInfo(wifi_handle handle); 238 hal_info *getHalInfo(wifi_interface_handle handle); 239 wifi_handle getWifiHandle(hal_info *info); 240 wifi_interface_handle getIfaceHandle(interface_info *info); 241 wifi_error wifi_cancel_cmd(wifi_request_id id, wifi_interface_handle iface); 242 243 // some common macros 244 245 #define min(x, y) ((x) < (y) ? (x) : (y)) 246 #define max(x, y) ((x) > (y) ? (x) : (y)) 247 248 #define NULL_CHECK_RETURN(ptr, str, ret) \ 249 do { \ 250 if (!(ptr)) { \ 251 ALOGE("%s(): null pointer - #ptr (%s)\n", __FUNCTION__, str); \ 252 return ret; \ 253 } \ 254 } while (0) 255 256 #endif 257 258
