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/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __WIFI_HAL_LOWI_INTERNAL_H__
#define __WIFI_HAL_LOWI_INTERNAL_H__
/*
* The file defines the interface by which wifihal can call LOWI for the
* purposes of initialization, rtt and gscan.
*/
#include <hardware_legacy/wifi_hal.h>
#include "list.h"
#include "sys/un.h"
#define WIFIHAL_LOWI_MAJOR_VERSION 2
#define WIFIHAL_LOWI_MINOR_VERSION 1
#define WIFIHAL_LOWI_MICRO_VERSION 1
/* LOWI supported capabilities bit masks */
#define ONE_SIDED_RANGING_SUPPORTED 0x00000001
#define DUAL_SIDED_RANGING_SUPPORED 0x00000002
#define GSCAN_SUPPORTED 0x00000004
typedef struct wifihal_mon_sock_s {
struct list_head list;
//! Family name
uint32_t family_name;
//! command ID
uint32_t cmd_id;
//! monitor sock len
uint32_t monsock_len;
//! monitor sock
struct sockaddr_un monsock;
//! match buff length
uint32_t match_len;
//! reserved byte
uint32_t reserved[4];
//! match buff
char match[0];
} wifihal_mon_sock_t;
/*
* This structure is a table of function pointers to the functions
* used by the wifihal to interface with LOWI
*/
typedef struct
{
/* lowi-client interface functions */
int (*init)();
int (*destroy)();
/* rtt functions */
int (*get_rtt_capabilities)(wifi_interface_handle iface,
wifi_rtt_capabilities *capabilities);
int (*rtt_range_request)(u32 request_id,
wifi_interface_handle iface,
u32 num_rtt_config,
wifi_rtt_config rtt_config[],
wifi_rtt_event_handler handler);
int (*rtt_range_cancel)(u32 request_id,
u32 num_devices,
mac_addr addr[]);
/* Additional lowi-client interface functions */
int (*get_lowi_version) (u16* major_version,
u16* minor_version,
u16* micro_version);
int (*get_lowi_capabilities)(u32* capabilities);
/* gscan functions */
wifi_error (*get_valid_channels)(wifi_interface_handle iface,
u32 band,
u32 max_channels,
wifi_channel *channels,
int *num_channels);
wifi_error (*get_gscan_capabilities)(wifi_interface_handle handle,
wifi_gscan_capabilities *capabilities);
wifi_error (*start_gscan)(wifi_request_id request_id,
wifi_interface_handle iface,
wifi_scan_cmd_params params,
wifi_scan_result_handler handler);
wifi_error (*stop_gscan)(wifi_request_id request_id,
wifi_interface_handle iface);
wifi_error (*get_cached_gscan_results)(wifi_interface_handle iface,
byte flush,
u32 max,
wifi_cached_scan_results *results,
int *num);
wifi_error (*set_bssid_hotlist)(wifi_request_id request_id,
wifi_interface_handle iface,
wifi_bssid_hotlist_params params,
wifi_hotlist_ap_found_handler handler);
wifi_error (*reset_bssid_hotlist)(wifi_request_id request_id,
wifi_interface_handle iface);
wifi_error (*set_significant_change_handler)(wifi_request_id id,
wifi_interface_handle iface,
wifi_significant_change_params params,
wifi_significant_change_handler handler);
wifi_error (*reset_significant_change_handler)(wifi_request_id id,
wifi_interface_handle iface);
wifi_error (*set_ssid_hotlist)(wifi_request_id id,
wifi_interface_handle iface,
wifi_ssid_hotlist_params params,
wifi_hotlist_ssid_handler handler);
wifi_error (*reset_ssid_hotlist)(wifi_request_id id,
wifi_interface_handle iface);
// API to configure the LCI. Used in RTT Responder mode only
wifi_error (*rtt_set_lci)(wifi_request_id id,
wifi_interface_handle iface,
wifi_lci_information *lci);
// API to configure the LCR. Used in RTT Responder mode only.
wifi_error (*rtt_set_lcr)(wifi_request_id id,
wifi_interface_handle iface,
wifi_lcr_information *lcr);
/**
* Get RTT responder information e.g. WiFi channel to enable responder on.
*/
wifi_error (*rtt_get_responder_info)(wifi_interface_handle iface,
wifi_rtt_responder *responder_info);
/**
* Enable RTT responder mode.
* channel_hint - hint of the channel information where RTT responder should
* be enabled on.
* max_duration_seconds - timeout of responder mode.
* responder_info - responder information e.g. channel used for RTT responder,
* NULL if responder is not enabled.
*/
wifi_error (*enable_responder)(wifi_request_id id,
wifi_interface_handle iface,
wifi_channel_info channel_hint,
unsigned max_duration_seconds,
wifi_rtt_responder *responder_info);
/**
* Disable RTT responder mode.
*/
wifi_error (*disable_responder)(wifi_request_id id,
wifi_interface_handle iface);
} lowi_cb_table_t;
/*
* This is a function pointer to a function that gets the table
* of callback functions populated by LOWI and to be used by wifihal
*/
typedef lowi_cb_table_t* (getCbTable_t)();
#endif
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