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257 lines
9.4 KiB
257 lines
9.4 KiB
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#include "wifi_hal.h" |
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#ifndef __WIFI_HAL_COMMON_H__ |
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#define __WIFI_HAL_COMMON_H__ |
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#define LOG_TAG "WifiHAL" |
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#include <utils/Log.h> |
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#include "nl80211_copy.h" |
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#include "sync.h" |
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#define SOCKET_BUFFER_SIZE (32768U) |
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#define RECV_BUF_SIZE (4096) |
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#define DEFAULT_EVENT_CB_SIZE (64) |
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#define DEFAULT_CMD_SIZE (64) |
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#define DOT11_OUI_LEN 3 |
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#define DOT11_MAX_SSID_LEN 32 |
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#define MAX_PROBE_RESP_IE_LEN 2048 |
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/* |
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Vendor OUI - This is a unique identifier that identifies organization. Lets |
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code Android specific functions with Google OUI; although vendors can do more |
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with their own OUI's as well. |
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*/ |
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const uint32_t GOOGLE_OUI = 0x001A11; |
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/* TODO: define vendor OUI here */ |
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/* |
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This enum defines ranges for various commands; commands themselves |
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can be defined in respective feature headers; i.e. find gscan command |
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definitions in gscan.cpp |
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*/ |
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typedef enum { |
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/* don't use 0 as a valid subcommand */ |
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VENDOR_NL80211_SUBCMD_UNSPECIFIED, |
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/* define all vendor startup commands between 0x0 and 0x0FFF */ |
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VENDOR_NL80211_SUBCMD_RANGE_START = 0x0001, |
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VENDOR_NL80211_SUBCMD_RANGE_END = 0x0FFF, |
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/* define all GScan related commands between 0x1000 and 0x10FF */ |
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ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START = 0x1000, |
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ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END = 0x10FF, |
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/* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */ |
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ANDROID_NL80211_SUBCMD_NBD_RANGE_START = 0x1100, |
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ANDROID_NL80211_SUBCMD_NBD_RANGE_END = 0x11FF, |
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/* define all RTT related commands between 0x1100 and 0x11FF */ |
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ANDROID_NL80211_SUBCMD_RTT_RANGE_START = 0x1100, |
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ANDROID_NL80211_SUBCMD_RTT_RANGE_END = 0x11FF, |
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ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START = 0x1200, |
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ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END = 0x12FF, |
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/* define all Logger related commands between 0x1400 and 0x14FF */ |
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ANDROID_NL80211_SUBCMD_DEBUG_RANGE_START = 0x1400, |
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ANDROID_NL80211_SUBCMD_DEBUG_RANGE_END = 0x14FF, |
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/* define all wifi offload related commands between 0x1600 and 0x16FF */ |
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ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START = 0x1600, |
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ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END = 0x16FF, |
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/* define all NAN related commands between 0x1700 and 0x17FF */ |
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ANDROID_NL80211_SUBCMD_NAN_RANGE_START = 0x1700, |
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ANDROID_NL80211_SUBCMD_NAN_RANGE_END = 0x17FF, |
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/* define all Android Packet Filter related commands between 0x1800 and 0x18FF */ |
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ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START = 0x1800, |
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ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_END = 0x18FF, |
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/* This is reserved for future usage */ |
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} ANDROID_VENDOR_SUB_COMMAND; |
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typedef enum { |
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GSCAN_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START, |
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GSCAN_SUBCMD_SET_CONFIG, /* 0x1001 */ |
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GSCAN_SUBCMD_SET_SCAN_CONFIG, /* 0x1002 */ |
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GSCAN_SUBCMD_ENABLE_GSCAN, /* 0x1003 */ |
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GSCAN_SUBCMD_GET_SCAN_RESULTS, /* 0x1004 */ |
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GSCAN_SUBCMD_SCAN_RESULTS, /* 0x1005 */ |
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GSCAN_SUBCMD_SET_HOTLIST, /* 0x1006 */ |
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GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG, /* 0x1007 */ |
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GSCAN_SUBCMD_ENABLE_FULL_SCAN_RESULTS, /* 0x1008 */ |
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GSCAN_SUBCMD_GET_CHANNEL_LIST, /* 0x1009 */ |
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WIFI_SUBCMD_GET_FEATURE_SET, /* 0x100A */ |
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WIFI_SUBCMD_GET_FEATURE_SET_MATRIX, /* 0x100B */ |
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WIFI_SUBCMD_SET_PNO_RANDOM_MAC_OUI, /* 0x100C */ |
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WIFI_SUBCMD_NODFS_SET, /* 0x100D */ |
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WIFI_SUBCMD_SET_COUNTRY_CODE, /* 0x100E */ |
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/* Add more sub commands here */ |
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GSCAN_SUBCMD_SET_EPNO_SSID, /* 0x100F */ |
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WIFI_SUBCMD_SET_SSID_WHITE_LIST, /* 0x1010 */ |
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WIFI_SUBCMD_SET_ROAM_PARAMS, /* 0x1011 */ |
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WIFI_SUBCMD_ENABLE_LAZY_ROAM, /* 0x1012 */ |
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WIFI_SUBCMD_SET_BSSID_PREF, /* 0x1013 */ |
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WIFI_SUBCMD_SET_BSSID_BLACKLIST, /* 0x1014 */ |
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GSCAN_SUBCMD_ANQPO_CONFIG, /* 0x1015 */ |
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WIFI_SUBCMD_SET_RSSI_MONITOR, /* 0x1016 */ |
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WIFI_SUBCMD_CONFIG_ND_OFFLOAD, /* 0x1017 */ |
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/* Add more sub commands here */ |
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GSCAN_SUBCMD_MAX, |
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APF_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START, |
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APF_SUBCMD_SET_FILTER, |
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} WIFI_SUB_COMMAND; |
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typedef enum { |
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BRCM_RESERVED1, |
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BRCM_RESERVED2, |
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GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS , |
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GSCAN_EVENT_HOTLIST_RESULTS_FOUND, |
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GSCAN_EVENT_SCAN_RESULTS_AVAILABLE, |
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GSCAN_EVENT_FULL_SCAN_RESULTS, |
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RTT_EVENT_COMPLETE, |
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GSCAN_EVENT_COMPLETE_SCAN, |
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GSCAN_EVENT_HOTLIST_RESULTS_LOST, |
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GSCAN_EVENT_EPNO_EVENT, |
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GOOGLE_DEBUG_RING_EVENT, |
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GOOGLE_DEBUG_MEM_DUMP_EVENT, |
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GSCAN_EVENT_ANQPO_HOTSPOT_MATCH, |
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GOOGLE_RSSI_MONITOR_EVENT |
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} WIFI_EVENT; |
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typedef void (*wifi_internal_event_handler) (wifi_handle handle, int events); |
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class WifiCommand; |
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typedef struct { |
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int nl_cmd; |
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uint32_t vendor_id; |
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int vendor_subcmd; |
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nl_recvmsg_msg_cb_t cb_func; |
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void *cb_arg; |
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} cb_info; |
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typedef struct { |
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wifi_request_id id; |
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WifiCommand *cmd; |
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} cmd_info; |
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typedef struct { |
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wifi_handle handle; // handle to wifi data |
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char name[IFNAMSIZ+1]; // interface name + trailing null |
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int id; // id to use when talking to driver |
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} interface_info; |
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typedef struct { |
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struct nl_sock *cmd_sock; // command socket object |
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struct nl_sock *event_sock; // event socket object |
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int nl80211_family_id; // family id for 80211 driver |
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int cleanup_socks[2]; // sockets used to implement wifi_cleanup |
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bool in_event_loop; // Indicates that event loop is active |
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bool clean_up; // Indication to exit since cleanup has started |
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wifi_internal_event_handler event_handler; // default event handler |
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wifi_cleaned_up_handler cleaned_up_handler; // socket cleaned up handler |
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cb_info *event_cb; // event callbacks |
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int num_event_cb; // number of event callbacks |
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int alloc_event_cb; // number of allocated callback objects |
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pthread_mutex_t cb_lock; // mutex for the event_cb access |
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cmd_info *cmd; // Outstanding commands |
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int num_cmd; // number of commands |
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int alloc_cmd; // number of commands allocated |
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interface_info **interfaces; // array of interfaces |
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int num_interfaces; // number of interfaces |
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// add other details |
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} hal_info; |
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#define PNO_SSID_FOUND 0x1 |
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#define PNO_SSID_LOST 0x2 |
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typedef struct wifi_pno_result { |
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unsigned char ssid[DOT11_MAX_SSID_LEN]; |
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unsigned char ssid_len; |
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signed char rssi; |
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u16 channel; |
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u16 flags; |
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mac_addr bssid; |
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} wifi_pno_result_t; |
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typedef struct wifi_gscan_result { |
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u64 ts; // Time of discovery |
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u8 ssid[DOT11_MAX_SSID_LEN+1]; // null terminated |
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mac_addr bssid; // BSSID |
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u32 channel; // channel frequency in MHz |
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s32 rssi; // in db |
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u64 rtt; // in nanoseconds |
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u64 rtt_sd; // standard deviation in rtt |
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u16 beacon_period; // units are Kusec |
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u16 capability; // Capability information |
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u32 pad; |
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} wifi_gscan_result_t; |
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typedef struct wifi_gscan_full_result { |
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wifi_gscan_result_t fixed; |
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u32 scan_ch_bucket; // scan chbucket bitmask |
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u32 ie_length; // byte length of Information Elements |
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u8 ie_data[1]; // IE data to follow |
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} wifi_gscan_full_result_t; |
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wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg); |
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wifi_error wifi_register_vendor_handler(wifi_handle handle, |
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uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg); |
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void wifi_unregister_handler(wifi_handle handle, int cmd); |
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void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd); |
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wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd); |
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WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id); |
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WifiCommand *wifi_get_cmd(wifi_handle handle, int id); |
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void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd); |
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interface_info *getIfaceInfo(wifi_interface_handle); |
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wifi_handle getWifiHandle(wifi_interface_handle handle); |
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hal_info *getHalInfo(wifi_handle handle); |
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hal_info *getHalInfo(wifi_interface_handle handle); |
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wifi_handle getWifiHandle(hal_info *info); |
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wifi_interface_handle getIfaceHandle(interface_info *info); |
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wifi_error wifi_cancel_cmd(wifi_request_id id, wifi_interface_handle iface); |
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// some common macros |
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#define min(x, y) ((x) < (y) ? (x) : (y)) |
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#define max(x, y) ((x) > (y) ? (x) : (y)) |
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#define NULL_CHECK_RETURN(ptr, str, ret) \ |
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do { \ |
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if (!(ptr)) { \ |
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ALOGE("%s(): null pointer - #ptr (%s)\n", __FUNCTION__, str); \ |
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return ret; \ |
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} \ |
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} while (0) |
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#endif |
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