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      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_H__
     18 #define __WIFI_HAL_H__
     19 
     20 #ifdef __cplusplus
     21 extern "C"
     22 {
     23 #endif
     24 #include <stdint.h>
     25 
     26 #define IFNAMSIZ 16
     27 
     28 /* WiFi Common definitions */
     29 /* channel operating width */
     30 typedef enum {
     31     WIFI_CHAN_WIDTH_20    = 0,
     32     WIFI_CHAN_WIDTH_40    = 1,
     33     WIFI_CHAN_WIDTH_80    = 2,
     34     WIFI_CHAN_WIDTH_160   = 3,
     35     WIFI_CHAN_WIDTH_80P80 = 4,
     36     WIFI_CHAN_WIDTH_5     = 5,
     37     WIFI_CHAN_WIDTH_10    = 6,
     38     WIFI_CHAN_WIDTH_INVALID = -1
     39 } wifi_channel_width;
     40 
     41 /* Pre selected Power scenarios to be applied from BDF file */
     42 typedef enum {
     43     WIFI_POWER_SCENARIO_VOICE_CALL       = 0,
     44     WIFI_POWER_SCENARIO_ON_HEAD_CELL_OFF = 1,
     45     WIFI_POWER_SCENARIO_ON_HEAD_CELL_ON  = 2,
     46     WIFI_POWER_SCENARIO_ON_BODY_CELL_OFF = 3,
     47     WIFI_POWER_SCENARIO_ON_BODY_CELL_ON  = 4,
     48 } wifi_power_scenario;
     49 
     50 /*
     51  * enum wlan_mac_band - Band information corresponding to the WLAN MAC.
     52  */
     53 typedef enum {
     54 /* WLAN MAC Operates in 2.4 GHz Band */
     55     WLAN_MAC_2_4_BAND = 1 << 0,
     56 /* WLAN MAC Operates in 5 GHz Band */
     57     WLAN_MAC_5_0_BAND = 1 << 1
     58 } wlan_mac_band;
     59 
     60 typedef int wifi_radio;
     61 typedef int wifi_channel;
     62 
     63 typedef struct {
     64     wifi_channel_width width;
     65     int center_frequency0;
     66     int center_frequency1;
     67     int primary_frequency;
     68 } wifi_channel_spec;
     69 
     70 typedef enum {
     71     WIFI_SUCCESS = 0,
     72     WIFI_ERROR_NONE = 0,
     73     WIFI_ERROR_UNKNOWN = -1,
     74     WIFI_ERROR_UNINITIALIZED = -2,
     75     WIFI_ERROR_NOT_SUPPORTED = -3,
     76     WIFI_ERROR_NOT_AVAILABLE = -4,              // Not available right now, but try later
     77     WIFI_ERROR_INVALID_ARGS = -5,
     78     WIFI_ERROR_INVALID_REQUEST_ID = -6,
     79     WIFI_ERROR_TIMED_OUT = -7,
     80     WIFI_ERROR_TOO_MANY_REQUESTS = -8,          // Too many instances of this request
     81     WIFI_ERROR_OUT_OF_MEMORY = -9,
     82     WIFI_ERROR_BUSY = -10,
     83 } wifi_error;
     84 
     85 typedef unsigned char byte;
     86 typedef unsigned char u8;
     87 typedef signed char s8;
     88 typedef uint16_t u16;
     89 typedef uint32_t u32;
     90 typedef int32_t s32;
     91 typedef uint64_t u64;
     92 typedef int64_t s64;
     93 typedef int wifi_request_id;
     94 typedef int wifi_channel;                       // indicates channel frequency in MHz
     95 typedef int wifi_rssi;
     96 typedef byte mac_addr[6];
     97 typedef byte oui[3];
     98 typedef int64_t wifi_timestamp;                 // In microseconds (us)
     99 typedef int64_t wifi_timespan;                  // In picoseconds  (ps)
    100 
    101 struct wifi_info;
    102 struct wifi_interface_info;
    103 typedef struct wifi_info *wifi_handle;
    104 typedef struct wifi_interface_info *wifi_interface_handle;
    105 
    106 /* Initialize/Cleanup */
    107 
    108 wifi_error wifi_initialize(wifi_handle *handle);
    109 
    110 /**
    111  * wifi_wait_for_driver
    112  * Function should block until the driver is ready to proceed.
    113  * Any errors from this function is considered fatal & will fail the HAL startup sequence.
    114  *
    115  * on success returns WIFI_SUCCESS
    116  * on failure returns WIFI_ERROR_TIMED_OUT
    117  */
    118 wifi_error wifi_wait_for_driver_ready(void);
    119 
    120 typedef void (*wifi_cleaned_up_handler) (wifi_handle handle);
    121 void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler);
    122 void wifi_event_loop(wifi_handle handle);
    123 
    124 /* Error handling */
    125 void wifi_get_error_info(wifi_error err, const char **msg); // return a pointer to a static string
    126 
    127 /* Feature enums */
    128 #define WIFI_FEATURE_INFRA              0x0001      // Basic infrastructure mode
    129 #define WIFI_FEATURE_INFRA_5G           0x0002      // Support for 5 GHz Band
    130 #define WIFI_FEATURE_HOTSPOT            0x0004      // Support for GAS/ANQP
    131 #define WIFI_FEATURE_P2P                0x0008      // Wifi-Direct
    132 #define WIFI_FEATURE_SOFT_AP            0x0010      // Soft AP
    133 #define WIFI_FEATURE_GSCAN              0x0020      // Google-Scan APIs
    134 #define WIFI_FEATURE_NAN                0x0040      // Neighbor Awareness Networking
    135 #define WIFI_FEATURE_D2D_RTT            0x0080      // Device-to-device RTT
    136 #define WIFI_FEATURE_D2AP_RTT           0x0100      // Device-to-AP RTT
    137 #define WIFI_FEATURE_BATCH_SCAN         0x0200      // Batched Scan (legacy)
    138 #define WIFI_FEATURE_PNO                0x0400      // Preferred network offload
    139 #define WIFI_FEATURE_ADDITIONAL_STA     0x0800      // Support for two STAs
    140 #define WIFI_FEATURE_TDLS               0x1000      // Tunnel directed link setup
    141 #define WIFI_FEATURE_TDLS_OFFCHANNEL    0x2000      // Support for TDLS off channel
    142 #define WIFI_FEATURE_EPR                0x4000      // Enhanced power reporting
    143 #define WIFI_FEATURE_AP_STA             0x8000      // Support for AP STA Concurrency
    144 #define WIFI_FEATURE_LINK_LAYER_STATS   0x10000     // Link layer stats collection
    145 #define WIFI_FEATURE_LOGGER             0x20000     // WiFi Logger
    146 #define WIFI_FEATURE_HAL_EPNO           0x40000     // WiFi PNO enhanced
    147 #define WIFI_FEATURE_RSSI_MONITOR       0x80000     // RSSI Monitor
    148 #define WIFI_FEATURE_MKEEP_ALIVE        0x100000    // WiFi mkeep_alive
    149 #define WIFI_FEATURE_CONFIG_NDO         0x200000    // ND offload configure
    150 #define WIFI_FEATURE_TX_TRANSMIT_POWER  0x400000    // Capture Tx transmit power levels
    151 #define WIFI_FEATURE_CONTROL_ROAMING    0x800000    // Enable/Disable firmware roaming
    152 #define WIFI_FEATURE_IE_WHITELIST       0x1000000   // Support Probe IE white listing
    153 #define WIFI_FEATURE_SCAN_RAND          0x2000000   // Support MAC & Probe Sequence Number randomization
    154 #define WIFI_FEATURE_SET_TX_POWER_LIMIT 0x4000000   // Support Tx Power Limit setting
    155 #define WIFI_FEATURE_USE_BODY_HEAD_SAR  0x8000000   // Support Using Body/Head Proximity for SAR
    156 // Add more features here
    157 
    158 
    159 typedef int feature_set;
    160 
    161 #define IS_MASK_SET(mask, flags)        (((flags) & (mask)) == (mask))
    162 
    163 #define IS_SUPPORTED_FEATURE(feature, featureSet)       IS_MASK_SET(feature, featureSet)
    164 
    165 /* Feature set */
    166 wifi_error wifi_get_supported_feature_set(wifi_interface_handle handle, feature_set *set);
    167 
    168 /*
    169  * Each row represents a valid feature combination;
    170  * all other combinations are invalid!
    171  */
    172 wifi_error wifi_get_concurrency_matrix(wifi_interface_handle handle, int set_size_max,
    173         feature_set set[], int *set_size);
    174 
    175 /* multiple interface support */
    176 
    177 wifi_error wifi_get_ifaces(wifi_handle handle, int *num_ifaces, wifi_interface_handle **ifaces);
    178 wifi_error wifi_get_iface_name(wifi_interface_handle iface, char *name, size_t size);
    179 wifi_interface_handle wifi_get_iface_handle(wifi_handle handle, char *name);
    180 
    181 /* Configuration events */
    182 
    183 typedef struct {
    184     void (*on_country_code_changed)(char code[2]);      // We can get this from supplicant too
    185 
    186     // More event handlers
    187 } wifi_event_handler;
    188 
    189 typedef struct {
    190     char iface_name[IFNAMSIZ + 1];
    191     wifi_channel channel;
    192 } wifi_iface_info;
    193 
    194 typedef struct {
    195     u32 wlan_mac_id;
    196 /* BIT MASK of BIT(WLAN_MAC*) as represented by wlan_mac_band */
    197     u32 mac_band;
    198 /* Represents the connected Wi-Fi interfaces associated with each MAC */
    199     int num_iface;
    200     wifi_iface_info *iface_info;
    201 } wifi_mac_info;
    202 
    203 typedef struct {
    204         void (*on_radio_mode_change)(wifi_request_id id, unsigned num_mac,
    205                                      wifi_mac_info *mac_info);
    206 } wifi_radio_mode_change_handler;
    207 
    208 typedef struct {
    209         void (*on_rssi_threshold_breached)(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi);
    210 } wifi_rssi_event_handler;
    211 
    212 wifi_error wifi_set_iface_event_handler(wifi_request_id id, wifi_interface_handle iface, wifi_event_handler eh);
    213 wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_handle iface);
    214 
    215 wifi_error wifi_set_nodfs_flag(wifi_interface_handle handle, u32 nodfs);
    216 wifi_error wifi_select_tx_power_scenario(wifi_interface_handle handle, wifi_power_scenario scenario);
    217 wifi_error wifi_reset_tx_power_scenario(wifi_interface_handle handle);
    218 
    219 typedef struct rx_data_cnt_details_t {
    220     int rx_unicast_cnt;     /*Total rx unicast packet which woke up host */
    221     int rx_multicast_cnt;   /*Total rx multicast packet which woke up host */
    222     int rx_broadcast_cnt;   /*Total rx broadcast packet which woke up host */
    223 } RX_DATA_WAKE_CNT_DETAILS;
    224 
    225 typedef struct rx_wake_pkt_type_classification_t {
    226     int icmp_pkt;   /*wake icmp packet count */
    227     int icmp6_pkt;  /*wake icmp6 packet count */
    228     int icmp6_ra;   /*wake icmp6 RA packet count */
    229     int icmp6_na;   /*wake icmp6 NA packet count */
    230     int icmp6_ns;   /*wake icmp6 NS packet count */
    231     //ToDo: Any more interesting classification to add?
    232 } RX_WAKE_PKT_TYPE_CLASSFICATION;
    233 
    234 typedef struct rx_multicast_cnt_t{
    235     int ipv4_rx_multicast_addr_cnt; /*Rx wake packet was ipv4 multicast */
    236     int ipv6_rx_multicast_addr_cnt; /*Rx wake packet was ipv6 multicast */
    237     int other_rx_multicast_addr_cnt;/*Rx wake packet was non-ipv4 and non-ipv6*/
    238 } RX_MULTICAST_WAKE_DATA_CNT;
    239 
    240 /*
    241  * Structure holding all the driver/firmware wake count reasons.
    242  *
    243  * Buffers for the array fields (cmd_event_wake_cnt/driver_fw_local_wake_cnt)
    244  * are allocated and freed by the framework. The size of each allocated
    245  * array is indicated by the corresponding |_cnt| field. HAL needs to fill in
    246  * the corresponding |_used| field to indicate the number of elements used in
    247  * the array.
    248  */
    249 typedef struct wlan_driver_wake_reason_cnt_t {
    250     int total_cmd_event_wake;    /* Total count of cmd event wakes */
    251     int *cmd_event_wake_cnt;     /* Individual wake count array, each index a reason */
    252     int cmd_event_wake_cnt_sz;   /* Max number of cmd event wake reasons */
    253     int cmd_event_wake_cnt_used; /* Number of cmd event wake reasons specific to the driver */
    254 
    255     int total_driver_fw_local_wake;    /* Total count of drive/fw wakes, for local reasons */
    256     int *driver_fw_local_wake_cnt;     /* Individual wake count array, each index a reason */
    257     int driver_fw_local_wake_cnt_sz;   /* Max number of local driver/fw wake reasons */
    258     int driver_fw_local_wake_cnt_used; /* Number of local driver/fw wake reasons specific to the driver */
    259 
    260     int total_rx_data_wake;     /* total data rx packets, that woke up host */
    261     RX_DATA_WAKE_CNT_DETAILS rx_wake_details;
    262     RX_WAKE_PKT_TYPE_CLASSFICATION rx_wake_pkt_classification_info;
    263     RX_MULTICAST_WAKE_DATA_CNT rx_multicast_wake_pkt_info;
    264 } WLAN_DRIVER_WAKE_REASON_CNT;
    265 
    266 /* include various feature headers */
    267 
    268 #include "gscan.h"
    269 #include "link_layer_stats.h"
    270 #include "rtt.h"
    271 #include "tdls.h"
    272 #include "wifi_logger.h"
    273 #include "wifi_config.h"
    274 #include "wifi_nan.h"
    275 #include "wifi_offload.h"
    276 #include "roam.h"
    277 
    278 //wifi HAL function pointer table
    279 typedef struct {
    280     wifi_error (* wifi_initialize) (wifi_handle *);
    281     wifi_error (* wifi_wait_for_driver_ready) (void);
    282     void (* wifi_cleanup) (wifi_handle, wifi_cleaned_up_handler);
    283     void (*wifi_event_loop)(wifi_handle);
    284     void (* wifi_get_error_info) (wifi_error , const char **);
    285     wifi_error (* wifi_get_supported_feature_set) (wifi_interface_handle, feature_set *);
    286     wifi_error (* wifi_get_concurrency_matrix) (wifi_interface_handle, int, feature_set *, int *);
    287     wifi_error (* wifi_set_scanning_mac_oui) (wifi_interface_handle, unsigned char *);
    288     wifi_error (* wifi_get_supported_channels)(wifi_handle, int *, wifi_channel *);
    289     wifi_error (* wifi_is_epr_supported)(wifi_handle);
    290     wifi_error (* wifi_get_ifaces) (wifi_handle , int *, wifi_interface_handle **);
    291     wifi_error (* wifi_get_iface_name) (wifi_interface_handle, char *name, size_t);
    292     wifi_error (* wifi_set_iface_event_handler) (wifi_request_id,wifi_interface_handle ,
    293             wifi_event_handler);
    294     wifi_error (* wifi_reset_iface_event_handler) (wifi_request_id, wifi_interface_handle);
    295     wifi_error (* wifi_start_gscan) (wifi_request_id, wifi_interface_handle, wifi_scan_cmd_params,
    296             wifi_scan_result_handler);
    297     wifi_error (* wifi_stop_gscan)(wifi_request_id, wifi_interface_handle);
    298     wifi_error (* wifi_get_cached_gscan_results)(wifi_interface_handle, byte, int,
    299             wifi_cached_scan_results *, int *);
    300     wifi_error (* wifi_set_bssid_hotlist)(wifi_request_id, wifi_interface_handle,
    301             wifi_bssid_hotlist_params, wifi_hotlist_ap_found_handler);
    302     wifi_error (* wifi_reset_bssid_hotlist)(wifi_request_id, wifi_interface_handle);
    303     wifi_error (* wifi_set_significant_change_handler)(wifi_request_id, wifi_interface_handle,
    304             wifi_significant_change_params, wifi_significant_change_handler);
    305     wifi_error (* wifi_reset_significant_change_handler)(wifi_request_id, wifi_interface_handle);
    306     wifi_error (* wifi_get_gscan_capabilities)(wifi_interface_handle, wifi_gscan_capabilities *);
    307     wifi_error (* wifi_set_link_stats) (wifi_interface_handle, wifi_link_layer_params);
    308     wifi_error (* wifi_get_link_stats) (wifi_request_id,wifi_interface_handle,
    309             wifi_stats_result_handler);
    310     wifi_error (* wifi_clear_link_stats)(wifi_interface_handle,u32, u32 *, u8, u8 *);
    311     wifi_error (* wifi_get_valid_channels)(wifi_interface_handle,int, int, wifi_channel *, int *);
    312     wifi_error (* wifi_rtt_range_request)(wifi_request_id, wifi_interface_handle, unsigned,
    313             wifi_rtt_config[], wifi_rtt_event_handler);
    314     wifi_error (* wifi_rtt_range_cancel)(wifi_request_id,  wifi_interface_handle, unsigned,
    315             mac_addr[]);
    316     wifi_error (* wifi_get_rtt_capabilities)(wifi_interface_handle, wifi_rtt_capabilities *);
    317     wifi_error (* wifi_rtt_get_responder_info)(wifi_interface_handle iface,
    318             wifi_rtt_responder *responder_info);
    319     wifi_error (* wifi_enable_responder)(wifi_request_id id, wifi_interface_handle iface,
    320             wifi_channel_info channel_hint, unsigned max_duration_seconds,
    321             wifi_rtt_responder *responder_info);
    322     wifi_error (* wifi_disable_responder)(wifi_request_id id, wifi_interface_handle iface);
    323     wifi_error (* wifi_set_nodfs_flag)(wifi_interface_handle, u32);
    324     wifi_error (* wifi_start_logging)(wifi_interface_handle, u32, u32, u32, u32, char *);
    325     wifi_error (* wifi_set_epno_list)(wifi_request_id, wifi_interface_handle,
    326             const wifi_epno_params *, wifi_epno_handler);
    327     wifi_error (* wifi_reset_epno_list)(wifi_request_id, wifi_interface_handle);
    328     wifi_error (* wifi_set_country_code)(wifi_interface_handle, const char *);
    329     wifi_error (* wifi_get_firmware_memory_dump)( wifi_interface_handle iface,
    330             wifi_firmware_memory_dump_handler handler);
    331     wifi_error (* wifi_set_log_handler)(wifi_request_id id, wifi_interface_handle iface,
    332         wifi_ring_buffer_data_handler handler);
    333     wifi_error (* wifi_reset_log_handler)(wifi_request_id id, wifi_interface_handle iface);
    334     wifi_error (* wifi_set_alert_handler)(wifi_request_id id, wifi_interface_handle iface,
    335         wifi_alert_handler handler);
    336     wifi_error (* wifi_reset_alert_handler)(wifi_request_id id, wifi_interface_handle iface);
    337     wifi_error (* wifi_get_firmware_version)(wifi_interface_handle iface, char *buffer,
    338             int buffer_size);
    339     wifi_error (* wifi_get_ring_buffers_status)(wifi_interface_handle iface,
    340             u32 *num_rings, wifi_ring_buffer_status *status);
    341     wifi_error (* wifi_get_logger_supported_feature_set)(wifi_interface_handle iface,
    342             unsigned int *support);
    343     wifi_error (* wifi_get_ring_data)(wifi_interface_handle iface, char *ring_name);
    344     wifi_error (* wifi_enable_tdls)(wifi_interface_handle, mac_addr, wifi_tdls_params *,
    345             wifi_tdls_handler);
    346     wifi_error (* wifi_disable_tdls)(wifi_interface_handle, mac_addr);
    347     wifi_error (*wifi_get_tdls_status) (wifi_interface_handle, mac_addr, wifi_tdls_status *);
    348     wifi_error (*wifi_get_tdls_capabilities)(wifi_interface_handle iface,
    349             wifi_tdls_capabilities *capabilities);
    350     wifi_error (* wifi_get_driver_version)(wifi_interface_handle iface, char *buffer,
    351             int buffer_size);
    352     wifi_error (* wifi_set_passpoint_list)(wifi_request_id id, wifi_interface_handle iface,
    353             int num, wifi_passpoint_network *networks, wifi_passpoint_event_handler handler);
    354     wifi_error (* wifi_reset_passpoint_list)(wifi_request_id id, wifi_interface_handle iface);
    355     wifi_error (*wifi_set_lci) (wifi_request_id id, wifi_interface_handle iface,
    356 	                             wifi_lci_information *lci);
    357     wifi_error (*wifi_set_lcr) (wifi_request_id id, wifi_interface_handle iface,
    358 	                             wifi_lcr_information *lcr);
    359     wifi_error (*wifi_start_sending_offloaded_packet)(wifi_request_id id,
    360                                 wifi_interface_handle iface, u8 *ip_packet, u16 ip_packet_len,
    361                                 u8 *src_mac_addr, u8 *dst_mac_addr, u32 period_msec);
    362     wifi_error (*wifi_stop_sending_offloaded_packet)(wifi_request_id id,
    363                                 wifi_interface_handle iface);
    364     wifi_error (*wifi_start_rssi_monitoring)(wifi_request_id id, wifi_interface_handle
    365                         iface, s8 max_rssi, s8 min_rssi, wifi_rssi_event_handler eh);
    366     wifi_error (*wifi_stop_rssi_monitoring)(wifi_request_id id, wifi_interface_handle iface);
    367     wifi_error (*wifi_get_wake_reason_stats)(wifi_interface_handle iface,
    368                                 WLAN_DRIVER_WAKE_REASON_CNT *wifi_wake_reason_cnt);
    369     wifi_error (*wifi_configure_nd_offload)(wifi_interface_handle iface, u8 enable);
    370     wifi_error (*wifi_get_driver_memory_dump)(wifi_interface_handle iface,
    371                                 wifi_driver_memory_dump_callbacks callbacks);
    372     wifi_error (*wifi_start_pkt_fate_monitoring)(wifi_interface_handle iface);
    373     wifi_error (*wifi_get_tx_pkt_fates)(wifi_interface_handle handle,
    374         wifi_tx_report *tx_report_bufs,
    375         size_t n_requested_fates,
    376         size_t *n_provided_fates);
    377     wifi_error (*wifi_get_rx_pkt_fates)(wifi_interface_handle handle,
    378         wifi_rx_report *rx_report_bufs,
    379         size_t n_requested_fates,
    380         size_t *n_provided_fates);
    381 
    382     /* NAN functions */
    383     wifi_error (*wifi_nan_enable_request)(transaction_id id,
    384         wifi_interface_handle iface,
    385         NanEnableRequest* msg);
    386     wifi_error (*wifi_nan_disable_request)(transaction_id id,
    387         wifi_interface_handle iface);
    388     wifi_error (*wifi_nan_publish_request)(transaction_id id,
    389         wifi_interface_handle iface,
    390         NanPublishRequest* msg);
    391     wifi_error (*wifi_nan_publish_cancel_request)(transaction_id id,
    392         wifi_interface_handle iface,
    393         NanPublishCancelRequest* msg);
    394     wifi_error (*wifi_nan_subscribe_request)(transaction_id id,
    395         wifi_interface_handle iface,
    396         NanSubscribeRequest* msg);
    397     wifi_error (*wifi_nan_subscribe_cancel_request)(transaction_id id,
    398         wifi_interface_handle iface,
    399         NanSubscribeCancelRequest* msg);
    400     wifi_error (*wifi_nan_transmit_followup_request)(transaction_id id,
    401         wifi_interface_handle iface,
    402         NanTransmitFollowupRequest* msg);
    403     wifi_error (*wifi_nan_stats_request)(transaction_id id,
    404         wifi_interface_handle iface,
    405         NanStatsRequest* msg);
    406     wifi_error (*wifi_nan_config_request)(transaction_id id,
    407         wifi_interface_handle iface,
    408         NanConfigRequest* msg);
    409     wifi_error (*wifi_nan_tca_request)(transaction_id id,
    410         wifi_interface_handle iface,
    411         NanTCARequest* msg);
    412     wifi_error (*wifi_nan_beacon_sdf_payload_request)(transaction_id id,
    413         wifi_interface_handle iface,
    414         NanBeaconSdfPayloadRequest* msg);
    415     wifi_error (*wifi_nan_register_handler)(wifi_interface_handle iface,
    416         NanCallbackHandler handlers);
    417     wifi_error (*wifi_nan_get_version)(wifi_handle handle,
    418         NanVersion* version);
    419     wifi_error (*wifi_nan_get_capabilities)(transaction_id id,
    420         wifi_interface_handle iface);
    421     wifi_error (*wifi_nan_data_interface_create)(transaction_id id,
    422                                                  wifi_interface_handle iface,
    423                                                  char *iface_name);
    424     wifi_error (*wifi_nan_data_interface_delete)(transaction_id id,
    425                                                  wifi_interface_handle iface,
    426                                                  char *iface_name);
    427     wifi_error (*wifi_nan_data_request_initiator)(
    428         transaction_id id, wifi_interface_handle iface,
    429         NanDataPathInitiatorRequest *msg);
    430     wifi_error (*wifi_nan_data_indication_response)(
    431         transaction_id id, wifi_interface_handle iface,
    432         NanDataPathIndicationResponse *msg);
    433     wifi_error (*wifi_nan_data_end)(transaction_id id,
    434                                     wifi_interface_handle iface,
    435                                     NanDataPathEndRequest *msg);
    436     wifi_error (*wifi_select_tx_power_scenario)(wifi_interface_handle iface,
    437                                                 wifi_power_scenario scenario);
    438     wifi_error (*wifi_reset_tx_power_scenario)(wifi_interface_handle iface);
    439 
    440     /**
    441      * Returns the chipset's hardware filtering capabilities:
    442      * @param version pointer to version of the packet filter interpreter
    443      * supported, filled in upon return. 0 indicates no support.
    444      * @param max_len pointer to maximum size of the filter bytecode, filled in
    445      * upon return.
    446      */
    447     wifi_error (*wifi_get_packet_filter_capabilities)(wifi_interface_handle handle,
    448                                                       u32 *version, u32 *max_len);
    449     /**
    450  * Programs the packet filter.
    451      * @param program pointer to the program byte-code.
    452      * @param len length of the program byte-code.
    453  */
    454     wifi_error (*wifi_set_packet_filter)(wifi_interface_handle handle,
    455                                          const u8 *program, u32 len);
    456     wifi_error (*wifi_read_packet_filter)(wifi_interface_handle handle,
    457                                           u32 src_offset, u8 *host_dst,
    458                                           u32 length);
    459     wifi_error (*wifi_get_roaming_capabilities)(wifi_interface_handle handle,
    460                                                 wifi_roaming_capabilities *caps);
    461     wifi_error (*wifi_enable_firmware_roaming)(wifi_interface_handle handle,
    462                                                fw_roaming_state_t state);
    463     wifi_error (*wifi_configure_roaming)(wifi_interface_handle handle,
    464                                          wifi_roaming_config *roaming_config);
    465     wifi_error (*wifi_set_radio_mode_change_handler)(wifi_request_id id, wifi_interface_handle
    466                         iface, wifi_radio_mode_change_handler eh);
    467 } wifi_hal_fn;
    468 wifi_error init_wifi_vendor_hal_func_table(wifi_hal_fn *fn);
    469 #ifdef __cplusplus
    470 }
    471 #endif
    472 
    473 #endif
    474