2 * Copyright (C) 2014 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef __WIFI_HAL_H__
18 #define __WIFI_HAL_H__
22 /* WiFi Common definitions */
23 /* channel operating width */
25 WIFI_CHAN_WIDTH_20 = 0,
26 WIFI_CHAN_WIDTH_40 = 1,
27 WIFI_CHAN_WIDTH_80 = 2,
28 WIFI_CHAN_WIDTH_160 = 3,
29 WIFI_CHAN_WIDTH_80P80 = 4,
30 WIFI_CHAN_WIDTH_5 = 5,
31 WIFI_CHAN_WIDTH_10 = 6,
32 WIFI_CHAN_WIDTH_INVALID = -1
35 typedef int wifi_radio;
36 typedef int wifi_channel;
39 wifi_channel_width width;
40 int center_frequency0;
41 int center_frequency1;
42 int primary_frequency;
48 WIFI_ERROR_UNKNOWN = -1,
49 WIFI_ERROR_UNINITIALIZED = -2,
50 WIFI_ERROR_NOT_SUPPORTED = -3,
51 WIFI_ERROR_NOT_AVAILABLE = -4, // Not available right now, but try later
52 WIFI_ERROR_INVALID_ARGS = -5,
53 WIFI_ERROR_INVALID_REQUEST_ID = -6,
54 WIFI_ERROR_TIMED_OUT = -7,
55 WIFI_ERROR_TOO_MANY_REQUESTS = -8, // Too many instances of this request
56 WIFI_ERROR_OUT_OF_MEMORY = -9
59 typedef unsigned char byte;
60 typedef unsigned char u8;
61 typedef signed char s8;
65 typedef int wifi_request_id;
66 typedef int wifi_channel; // indicates channel frequency in MHz
67 typedef int wifi_rssi;
68 typedef byte mac_addr[6];
70 typedef int64_t wifi_timestamp; // In microseconds (us)
71 typedef int64_t wifi_timespan; // In nanoseconds (ns)
74 typedef wifi_info *wifi_handle;
75 struct wifi_interface_info;
76 typedef wifi_interface_info *wifi_interface_handle;
78 /* Initialize/Cleanup */
80 wifi_error wifi_initialize(wifi_handle *handle);
81 typedef void (*wifi_cleaned_up_handler) (wifi_handle handle);
82 void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler);
83 void wifi_event_loop(wifi_handle handle);
86 void wifi_get_error_info(wifi_error err, const char **msg); // return a pointer to a static string
89 #define WIFI_FEATURE_INFRA 0x0001 // Basic infrastructure mode
90 #define WIFI_FEATURE_INFRA_5G 0x0002 // Support for 5 GHz Band
91 #define WIFI_FEATURE_HOTSPOT 0x0004 // Support for GAS/ANQP
92 #define WIFI_FEATURE_P2P 0x0008 // Wifi-Direct
93 #define WIFI_FEATURE_SOFT_AP 0x0010 // Soft AP
94 #define WIFI_FEATURE_GSCAN 0x0020 // Google-Scan APIs
95 #define WIFI_FEATURE_NAN 0x0040 // Neighbor Awareness Networking
96 #define WIFI_FEATURE_D2D_RTT 0x0080 // Device-to-device RTT
97 #define WIFI_FEATURE_D2AP_RTT 0x0100 // Device-to-AP RTT
98 #define WIFI_FEATURE_BATCH_SCAN 0x0200 // Batched Scan (legacy)
99 #define WIFI_FEATURE_PNO 0x0400 // Preferred network offload
100 #define WIFI_FEATURE_ADDITIONAL_STA 0x0800 // Support for two STAs
101 #define WIFI_FEATURE_TDLS 0x1000 // Tunnel directed link setup
102 #define WIFI_FEATURE_TDLS_OFFCHANNEL 0x2000 // Support for TDLS off channel
103 #define WIFI_FEATURE_EPR 0x4000 // Enhanced power reporting
104 #define WIFI_FEATURE_AP_STA 0x8000 // Support for AP STA Concurrency
105 #define WIFI_FEATURE_LINK_LAYER_STATS 0x10000 // Link layer stats collection
106 #define WIFI_FEATURE_LOGGER 0x20000 // WiFi Logger
107 #define WIFI_FEATURE_HAL_EPNO 0x40000 // WiFi PNO enhanced
109 // Add more features here
111 typedef int feature_set;
113 #define IS_MASK_SET(mask, flags) ((flags & mask) == mask)
114 #define IS_MASK_RESET(mask, flags) ((flags & mask) == 0)
116 #define IS_SUPPORTED_FEATURE(feature, featureSet) IS_MASK_SET(feature, fetureSet)
117 #define IS_UNSUPPORTED_FEATURE(feature, featureSet) IS_MASK_RESET(feature, fetureSet)
120 wifi_error wifi_get_supported_feature_set(wifi_interface_handle handle, feature_set *set);
123 * Each row represents a valid feature combination;
124 * all other combinations are invalid!
126 wifi_error wifi_get_concurrency_matrix(wifi_interface_handle handle, int set_size_max,
127 feature_set set[], int *set_size);
129 /* multiple interface support */
131 wifi_error wifi_get_ifaces(wifi_handle handle, int *num_ifaces, wifi_interface_handle **ifaces);
132 wifi_error wifi_get_iface_name(wifi_interface_handle iface, char *name, size_t size);
134 /* Configuration events */
137 void (*on_country_code_changed)(char code[2]); // We can get this from supplicant too
139 // More event handlers
140 } wifi_event_handler;
142 wifi_error wifi_set_iface_event_handler(wifi_request_id id, wifi_interface_handle iface, wifi_event_handler eh);
143 wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_handle iface);
145 wifi_error wifi_set_nodfs_flag(wifi_interface_handle handle, u32 nodfs);
147 /* include various feature headers */
150 #include "link_layer_stats.h"
153 #include "wifi_logger.h"
154 #include "wifi_config.h"
155 #include "wifi_nan.h"