include/hardware_legacy/roam.h

   1 /*
   2  * Copyright (C) 2016 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __WIFI_HAL_ROAM_H__
  18 #define __WIFI_HAL_ROAM_H__
  19
  20 #include "wifi_hal.h"
  21
  22 #define MAX_BLACKLIST_BSSID         16
  23 #define MAX_WHITELIST_SSID          8
  24 #define MAX_SSID_LENGTH             32
  25
  26 typedef struct {
  27     u32 max_blacklist_size;
  28     u32 max_whitelist_size;
  29 } wifi_roaming_capabilities;
  30
  31 typedef enum {
  32     ROAMING_DISABLE,
  33     ROAMING_ENABLE
  34 } fw_roaming_state_t;
  35
  36 typedef struct {
  37     u32 length;
  38     char ssid_str[MAX_SSID_LENGTH];
  39 } ssid_t;
  40
  41 typedef struct {
  42     u32 num_blacklist_bssid;                       // Number of bssids valid in blacklist_bssid[].
  43     mac_addr blacklist_bssid[MAX_BLACKLIST_BSSID]; // List of bssids which should not be considered
  44                                                    // for romaing by firmware/driver.
  45     u32 num_whitelist_ssid;                        // Number of ssids valid in whitelist_ssid[].
  46     ssid_t whitelist_ssid[MAX_WHITELIST_SSID];     // List of ssids to which firmware/driver can
  47                                                    // consider to roam to.
  48 } wifi_roaming_config;
  49
  50 /* Get the chipset roaming capabilities. */
  51 wifi_error wifi_get_roaming_capabilities(wifi_interface_handle handle,
  52                                          wifi_roaming_capabilities *caps);
  53 /* Enable/disable firmware roaming */
  54 wifi_error wifi_enable_firmware_roaming(wifi_interface_handle handle,
  55                                         fw_roaming_state_t state);
  56
  57 /* Pass down the blacklist BSSID and whitelist SSID to firmware. */
  58 wifi_error wifi_configure_roaming(wifi_interface_handle handle,
  59                                   wifi_roaming_config *roaming_config);
  60
  61 #endif /* __WIFI_HAL_ROAM_H__ */