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;
67 typedef int wifi_request_id;
68 typedef int wifi_channel; // indicates channel frequency in MHz
69 typedef int wifi_rssi;
70 typedef byte mac_addr[6];
72 typedef int64_t wifi_timestamp; // In microseconds (us)
73 typedef int64_t wifi_timespan; // In nanoseconds (ns)
76 typedef wifi_info *wifi_handle;
77 struct wifi_interface_info;
78 typedef wifi_interface_info *wifi_interface_handle;
80 /* Initialize/Cleanup */
82 wifi_error wifi_initialize(wifi_handle *handle);
83 typedef void (*wifi_cleaned_up_handler) (wifi_handle handle);
84 void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler);
85 void wifi_event_loop(wifi_handle handle);
88 void wifi_get_error_info(wifi_error err, const char **msg); // return a pointer to a static string
91 #define WIFI_FEATURE_INFRA 0x0001 // Basic infrastructure mode
92 #define WIFI_FEATURE_INFRA_5G 0x0002 // Support for 5 GHz Band
93 #define WIFI_FEATURE_HOTSPOT 0x0004 // Support for GAS/ANQP
94 #define WIFI_FEATURE_P2P 0x0008 // Wifi-Direct
95 #define WIFI_FEATURE_SOFT_AP 0x0010 // Soft AP
96 #define WIFI_FEATURE_GSCAN 0x0020 // Google-Scan APIs
97 #define WIFI_FEATURE_NAN 0x0040 // Neighbor Awareness Networking
98 #define WIFI_FEATURE_D2D_RTT 0x0080 // Device-to-device RTT
99 #define WIFI_FEATURE_D2AP_RTT 0x0100 // Device-to-AP RTT
100 #define WIFI_FEATURE_BATCH_SCAN 0x0200 // Batched Scan (legacy)
101 #define WIFI_FEATURE_PNO 0x0400 // Preferred network offload
102 #define WIFI_FEATURE_ADDITIONAL_STA 0x0800 // Support for two STAs
103 #define WIFI_FEATURE_TDLS 0x1000 // Tunnel directed link setup
104 #define WIFI_FEATURE_TDLS_OFFCHANNEL 0x2000 // Support for TDLS off channel
105 #define WIFI_FEATURE_EPR 0x4000 // Enhanced power reporting
106 #define WIFI_FEATURE_AP_STA 0x8000 // Support for AP STA Concurrency
107 #define WIFI_FEATURE_LINK_LAYER_STATS 0x10000 // Link layer stats collection
108 #define WIFI_FEATURE_LOGGER 0x20000 // WiFi Logger
109 #define WIFI_FEATURE_HAL_EPNO 0x40000 // WiFi PNO enhanced
111 // Add more features here
114 typedef int feature_set;
116 #define IS_MASK_SET(mask, flags) ((flags & mask) == mask)
117 #define IS_MASK_RESET(mask, flags) ((flags & mask) == 0)
119 #define IS_SUPPORTED_FEATURE(feature, featureSet) IS_MASK_SET(feature, fetureSet)
120 #define IS_UNSUPPORTED_FEATURE(feature, featureSet) IS_MASK_RESET(feature, fetureSet)
123 wifi_error wifi_get_supported_feature_set(wifi_interface_handle handle, feature_set *set);
126 * Each row represents a valid feature combination;
127 * all other combinations are invalid!
129 wifi_error wifi_get_concurrency_matrix(wifi_interface_handle handle, int set_size_max,
130 feature_set set[], int *set_size);
132 /* multiple interface support */
134 wifi_error wifi_get_ifaces(wifi_handle handle, int *num_ifaces, wifi_interface_handle **ifaces);
135 wifi_error wifi_get_iface_name(wifi_interface_handle iface, char *name, size_t size);
137 /* Configuration events */
140 void (*on_country_code_changed)(char code[2]); // We can get this from supplicant too
142 // More event handlers
143 } wifi_event_handler;
145 wifi_error wifi_set_iface_event_handler(wifi_request_id id, wifi_interface_handle iface, wifi_event_handler eh);
146 wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_handle iface);
148 wifi_error wifi_set_nodfs_flag(wifi_interface_handle handle, u32 nodfs);
150 /* include various feature headers */
153 #include "link_layer_stats.h"
156 #include "wifi_logger.h"
157 #include "wifi_config.h"
158 #include "wifi_nan.h"
160 //wifi HAL function pointer table
162 wifi_error (* wifi_initialize) (wifi_handle *);
163 void (* wifi_cleanup) (wifi_handle, wifi_cleaned_up_handler);
164 void (*wifi_event_loop)(wifi_handle);
165 void (* wifi_get_error_info) (wifi_error , const char **);
166 wifi_error (* wifi_get_supported_feature_set) (wifi_interface_handle, feature_set *);
167 wifi_error (* wifi_get_concurrency_matrix) (wifi_interface_handle, int, feature_set *, int *);
168 wifi_error (* wifi_set_scanning_mac_oui) (wifi_interface_handle, unsigned char *);
169 wifi_error (* wifi_get_supported_channels)(wifi_handle, int *, wifi_channel *);
170 wifi_error (* wifi_is_epr_supported)(wifi_handle);
171 wifi_error (* wifi_get_ifaces) (wifi_handle , int *, wifi_interface_handle **);
172 wifi_error (* wifi_get_iface_name) (wifi_interface_handle, char *name, size_t);
173 wifi_error (* wifi_set_iface_event_handler) (wifi_request_id,wifi_interface_handle ,
175 wifi_error (* wifi_reset_iface_event_handler) (wifi_request_id, wifi_interface_handle);
176 wifi_error (* wifi_start_gscan) (wifi_request_id, wifi_interface_handle, wifi_scan_cmd_params,
177 wifi_scan_result_handler);
178 wifi_error (* wifi_stop_gscan)(wifi_request_id, wifi_interface_handle);
179 wifi_error (* wifi_get_cached_gscan_results)(wifi_interface_handle, byte, int,
180 wifi_cached_scan_results *, int *);
181 wifi_error (* wifi_set_bssid_hotlist)(wifi_request_id, wifi_interface_handle,
182 wifi_bssid_hotlist_params, wifi_hotlist_ap_found_handler);
183 wifi_error (* wifi_reset_bssid_hotlist)(wifi_request_id, wifi_interface_handle);
184 wifi_error (* wifi_set_significant_change_handler)(wifi_request_id, wifi_interface_handle,
185 wifi_significant_change_params, wifi_significant_change_handler);
186 wifi_error (* wifi_reset_significant_change_handler)(wifi_request_id, wifi_interface_handle);
187 wifi_error (* wifi_get_gscan_capabilities)(wifi_interface_handle, wifi_gscan_capabilities *);
188 wifi_error (* wifi_set_link_stats) (wifi_interface_handle, wifi_link_layer_params);
189 wifi_error (* wifi_get_link_stats) (wifi_request_id,wifi_interface_handle,
190 wifi_stats_result_handler);
191 wifi_error (* wifi_clear_link_stats)(wifi_interface_handle,u32, u32 *, u8, u8 *);
192 wifi_error (* wifi_get_valid_channels)(wifi_interface_handle,int, int, wifi_channel *, int *);
193 wifi_error (* wifi_rtt_range_request)(wifi_request_id, wifi_interface_handle, unsigned,
194 wifi_rtt_config[], wifi_rtt_event_handler);
195 wifi_error (* wifi_rtt_range_cancel)(wifi_request_id, wifi_interface_handle, unsigned,
197 wifi_error (* wifi_get_rtt_capabilities)(wifi_interface_handle, wifi_rtt_capabilities *);
198 wifi_error (* wifi_set_nodfs_flag)(wifi_interface_handle, u32);
199 wifi_error (* wifi_start_logging)(wifi_interface_handle, u32, u32, u32, u32, char *);
200 wifi_error (* wifi_set_epno_list)(int, wifi_interface_info *, int, wifi_epno_network *,
202 wifi_error (* wifi_set_country_code)(wifi_interface_handle, const char *);
204 wifi_error init_wifi_vendor_hal_func_table(wifi_hal_fn *fn);