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#include "wifi_hal.h"
#ifndef __WIFI_HAL_COMMON_H__
#define __WIFI_HAL_COMMON_H__
#define LOG_TAG "WifiHAL"
#include <utils/Log.h>
#define SOCKET_BUFFER_SIZE (32768U)
#define RECV_BUF_SIZE (4096)
#define DEFAULT_EVENT_CB_SIZE (64)
#define DEFAULT_CMD_SIZE (64)
/*
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 */
/* TODO: remove these definitions after updating the NL80211 header file */
#define NL80211_CMD_VENDOR 60
#define NL80211_ATTR_VENDOR_ID 195
#define NL80211_ATTR_VENDOR_SUBCMD 196
#define NL80211_ATTR_VENDOR_DATA 197
#define NL80211_ATTR_VENDOR_EVENTS 198
/*
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,
/* This is reserved for future usage */
} ANDROID_VENDOR_SUB_COMMAND;
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
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
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);
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);
#endif
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