示例#1
0
/** Sets the chip specific AMPDU parameters for AP and STA
 *  For SDK 3.0, and beyond, each chip will need it's own function for setting AMPDU parameters.
 */
wwd_result_t wwd_wifi_set_ampdu_parameters( void )
{
    wiced_buffer_t buffer;
    wwd_result_t retval;

    /* Set AMPDU Block ACK window size */
    uint32_t* data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_AMPDU_BA_WINDOW_SIZE );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) 8;
    retval = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_STA_INTERFACE );

    wiced_assert("set_ampdu_parameters: Failed to set block ack window size\r\n", retval == WWD_SUCCESS );

    /* Set number of MPDUs available for AMPDU */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_AMPDU_MPDU );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) 4;
    retval = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_STA_INTERFACE );

    wiced_assert("set_ampdu_parameters: Failed to set number of MPDUs\r\n", retval == WWD_SUCCESS );

    /* Set size of advertised receive AMPDU */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_AMPDU_RX_FACTOR );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) AMPDU_RX_FACTOR_8K;
    retval = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_STA_INTERFACE );

    wiced_assert("set_ampdu_parameters: Failed to set advertised receive AMPDU size\r\n", retval == WWD_SUCCESS );

    return retval;
}
示例#2
0
wwd_result_t wwd_wifi_stop_ap( void )
{
    uint32_t* data;
    wiced_buffer_t buffer;
    wiced_buffer_t response;
    wwd_result_t result;
    wwd_result_t result2;

    /* Query bss state (does it exist? if so is it UP?) */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_BSS );
    CHECK_IOCTL_BUFFER( data );
    *data = wwd_get_bss_index( WWD_AP_INTERFACE );
    result = wwd_sdpcm_send_iovar( SDPCM_GET, buffer, &response, WWD_STA_INTERFACE );
    if ( result == WWD_WLAN_NOTFOUND )
    {
        /* AP interface does not exist - i.e. it is down */
        wwd_wifi_ap_is_up = WICED_FALSE;
        return WWD_SUCCESS;
    }

    CHECK_RETURN( result );

    data = (uint32_t*) host_buffer_get_current_piece_data_pointer( response );
    if ( data[0] != (uint32_t) BSS_UP )
    {
        /* AP interface indicates it is not up - i.e. it is down */
        host_buffer_release( response, WWD_NETWORK_RX );
        wwd_wifi_ap_is_up = WICED_FALSE;
        return WWD_SUCCESS;
    }

    host_buffer_release( response, WWD_NETWORK_RX );

    /* set BSS down */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 8, IOVAR_STR_BSS );
    CHECK_IOCTL_BUFFER( data );
    data[0] = wwd_get_bss_index( WWD_AP_INTERFACE );
    data[1] = (uint32_t) BSS_DOWN;
    CHECK_RETURN( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ) );

    /* Wait until AP is brought down */
    result = host_rtos_get_semaphore( &wwd_wifi_sleep_flag, (uint32_t) 10000, WICED_FALSE );
    result2 = host_rtos_deinit_semaphore( &wwd_wifi_sleep_flag );
    if ( result != WWD_SUCCESS )
    {
        return result;
    }
    if ( result2 != WWD_SUCCESS )
    {
        return result2;
    }

    CHECK_RETURN( wwd_management_set_event_handler( apsta_events, NULL, NULL, WWD_AP_INTERFACE ) );

    wwd_wifi_ap_is_up = WICED_FALSE;
    return WWD_SUCCESS;

}
示例#3
0
wwd_result_t wwd_wifi_set_block_ack_window_size( wwd_interface_t interface )
{
    wiced_buffer_t buffer;
    wwd_result_t retval;
    uint32_t block_ack_window_size = 2;
    uint32_t* data = NULL;

    /* If the AP interface is already up then don't change the Block Ack window size */
    if ( wwd_wifi_is_ready_to_transceive( WWD_AP_INTERFACE ) == WWD_SUCCESS )
    {
        return WWD_SUCCESS;
    }

    /* AP can handle BA window size of 1 but STA can handle BA window size of 8 */
    if ( interface == WWD_STA_INTERFACE )
    {
        block_ack_window_size = 8;
    }

    /* Set AMPDU Block ACK window size */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_AMPDU_BA_WINDOW_SIZE );
    CHECK_IOCTL_BUFFER( data );
    *data = block_ack_window_size;
    retval = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_STA_INTERFACE );

    wiced_assert("set_block_ack_window_size: Failed to set block ack window size\r\n", retval == WWD_SUCCESS );

    return retval;
}
示例#4
0
/*
Generic interface for downloading required data onto the dongle
*/
static int wwd_download2dongle(wwd_interface_t interface, const char *iovar, uint16_t flag, uint16_t dload_type,
    unsigned char *dload_buf, uint32_t len)
{
    wl_dload_data_t *dload_ptr = (wl_dload_data_t *)dload_buf;
    unsigned int dload_data_offset;
    wiced_buffer_t buffer;
    uint32_t*      iov_data;

    dload_data_offset = offsetof(wl_dload_data_t, data);
    dload_ptr->flag = (DLOAD_HANDLER_VER << DLOAD_FLAG_VER_SHIFT) | flag;
    dload_ptr->dload_type = dload_type;
    dload_ptr->len = htod32(len - dload_data_offset);

    dload_ptr->crc = 0;

    wiced_assert("dload buffer too large", len < 0xffffffff - 8 );
    len = len + 8 - (len%8);

    iov_data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t)len, iovar );
    CHECK_IOCTL_BUFFER( iov_data );
    memcpy( iov_data, dload_ptr, len);
    CHECK_RETURN( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, interface ) );
    return WWD_SUCCESS;
}
示例#5
0
wwd_result_t wwd_process_clm_data(void)
{
    wwd_result_t ret = WWD_SUCCESS;
    uint32_t clm_blob_size;
    uint32_t datalen;
    unsigned int size2alloc, data_offset;
    unsigned char *chunk_buf;
    uint16_t dl_flag = DL_BEGIN;
    unsigned int cumulative_len = 0;
    unsigned int chunk_len;
    uint32_t size_read;

    /* clm file size is the initial datalen value which is decremented */
    clm_blob_size = resource_get_size( &wifi_firmware_clm_blob );
    datalen = clm_blob_size;

    data_offset = offsetof(wl_dload_data_t, data);
    size2alloc = data_offset + MAX_CHUNK_LEN;

    if ((chunk_buf = (unsigned char *)malloc(size2alloc)) != NULL) {
        memset(chunk_buf, 0, size2alloc);

        do {
            if (datalen >= MAX_CHUNK_LEN)
                chunk_len = MAX_CHUNK_LEN;
            else
                chunk_len = datalen;

            // check size_read is full value also and resource read return
            if ((ret = resource_read(&wifi_firmware_clm_blob, cumulative_len, chunk_len, &size_read, chunk_buf + data_offset)) != WWD_SUCCESS) {
                break;
            }

            if (size_read != chunk_len) {
                wiced_assert("During CLM download, resource_read() returned less of the file than should be available\n", 1 == 0);
                ret = WWD_CLM_BLOB_DLOAD_ERROR;
                break;
            }

            cumulative_len += chunk_len;

            if (datalen - chunk_len == 0)
                dl_flag |= DL_END;

            ret = wwd_download2dongle(WWD_STA_INTERFACE, IOVAR_STR_CLMLOAD, dl_flag, DL_TYPE_CLM,
                chunk_buf, data_offset + chunk_len);
            dl_flag &= (uint16_t)~DL_BEGIN;

            datalen = datalen - chunk_len;
        } while ((datalen > 0) && (ret == WWD_SUCCESS));

        free(chunk_buf);
        if ( ret != WWD_SUCCESS )
        {
            wwd_result_t ret_clmload_status;
            wiced_buffer_t buffer;
            wiced_buffer_t response;
            void *data;

            WPRINT_WWD_DEBUG(("clmload (%ld byte file) failed with return %d; ", clm_blob_size, ret));
            data = (int*)wwd_sdpcm_get_iovar_buffer( &buffer, 4, IOVAR_STR_CLMLOAD_STATUS );
            CHECK_IOCTL_BUFFER( data );
            ret_clmload_status = wwd_sdpcm_send_iovar( SDPCM_GET, buffer, &response, WWD_STA_INTERFACE );
            if ( ret_clmload_status != WWD_SUCCESS )
            {
                WPRINT_WWD_DEBUG(("clmload_status failed with return %d\n", ret_clmload_status));
            }
            else
            {
                uint32_t *clmload_status = (uint32_t *)host_buffer_get_current_piece_data_pointer( response );

                if ( clmload_status != NULL )
                {
                    WPRINT_WWD_DEBUG(("clmload_status is %lu\n", *clmload_status));
                    host_buffer_release( response, WWD_NETWORK_RX );
                }
            }
        }
    } else {
        ret = WWD_MALLOC_FAILURE;
    }

    return ret;
}
示例#6
0
static wwd_result_t internal_ap_init( wiced_ssid_t* ssid, wiced_security_t auth_type, const uint8_t* security_key, uint8_t key_length, uint8_t channel )
{
    wiced_bool_t   wait_for_interface = WICED_FALSE;
    wwd_result_t   result;
    wiced_buffer_t response;
    wiced_buffer_t buffer;
    uint32_t*      data;
    uint32_t       bss_index = WWD_AP_INTERFACE;

#ifdef WICED_WIFI_SOFT_AP_WEP_SUPPORT_ENABLED
    uint32_t* auth;
    uint16_t length;
#endif

    if ( ( ( auth_type == WICED_SECURITY_WPA_TKIP_PSK ) || ( auth_type == WICED_SECURITY_WPA2_AES_PSK ) || ( auth_type == WICED_SECURITY_WPA2_MIXED_PSK ) ) &&
         ( ( key_length < (uint8_t) 8 ) || ( key_length > (uint8_t) 64 ) ) )
    {
        WPRINT_APP_INFO(( "Error: WPA security key length must be between 8 and 64\n" ));
        return WWD_WPA_KEYLEN_BAD;
    }

#ifdef WICED_WIFI_SOFT_AP_WEP_SUPPORT_ENABLED
    else if( (( auth_type == WICED_SECURITY_WEP_PSK ) || ( auth_type == WICED_SECURITY_WEP_SHARED )) &&
             (( key_length != FORMATTED_ASCII_WEP40_KEY_LENGTH ) && ( key_length != FORMATTED_ASCII_WEP104_KEY_LENGTH )) )
    {
        WPRINT_APP_INFO(( "Error: WEP security Key length must be either 5 / 13 bytes\n" ));
        return WWD_WEP_KEYLEN_BAD;
    }
#endif

    if ( ( wwd_wifi_p2p_go_is_up == WICED_TRUE ) || ( wwd_wifi_ap_is_up == WICED_TRUE ) )
    {
        WPRINT_APP_INFO(( "Error: Soft AP or Wi-Fi Direct group owner already up\n" ));
        return WWD_AP_ALREADY_UP;
    }

    /* Query bss state (does it exist? if so is it UP?) */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_BSS );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) bss_index;
    if ( wwd_sdpcm_send_iovar( SDPCM_GET, buffer, &response, WWD_STA_INTERFACE ) != WWD_SUCCESS )
    {
        /* Note: We don't need to release the response packet since the iovar failed */
        wait_for_interface = WICED_TRUE;
    }
    else
    {
        /* Check if the BSS is already UP, if so return */
        uint32_t* data2 = (uint32_t*) host_buffer_get_current_piece_data_pointer( response );
        if ( *data2 == (uint32_t) BSS_UP )
        {
            host_buffer_release( response, WWD_NETWORK_RX );
            wwd_wifi_ap_is_up = WICED_TRUE;
            return WWD_SUCCESS;
        }
        else
        {
            host_buffer_release( response, WWD_NETWORK_RX );
        }
    }

    CHECK_RETURN( host_rtos_init_semaphore( &wwd_wifi_sleep_flag ) );

    /* Register for interested events */
    CHECK_RETURN_WITH_SEMAPHORE( wwd_management_set_event_handler( apsta_events, wwd_handle_apsta_event, NULL, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

    /* Check if we need to wait for interface to be created */
    if ( wait_for_interface == WICED_TRUE )
    {
        CHECK_RETURN_WITH_SEMAPHORE( host_rtos_get_semaphore( &wwd_wifi_sleep_flag, (uint32_t) 10000, WICED_FALSE ), &wwd_wifi_sleep_flag );
    }

    if ( wwd_wifi_set_block_ack_window_size( WWD_AP_INTERFACE ) != WWD_SUCCESS )
    {
        return WWD_SET_BLOCK_ACK_WINDOW_FAIL;
    }

    /* Set the SSID */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 40, "bsscfg:" IOVAR_STR_SSID );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = bss_index; /* Set the bsscfg index */
    data[1] = ssid->length; /* Set the ssid length */
    memcpy( &data[2], (uint8_t*) ssid->value, ssid->length );
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

    /* Set the channel */
    data = (uint32_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = channel;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_CHANNEL, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

#ifdef WICED_WIFI_SOFT_AP_WEP_SUPPORT_ENABLED
    if ( ( auth_type == WICED_SECURITY_WEP_PSK ) || ( auth_type == WICED_SECURITY_WEP_SHARED ) )
    {
        for ( length = 0; length < key_length; length = (uint16_t) ( length + 2 + security_key[ 1 ] ) )
        {
            const wiced_wep_key_t* in_key = (const wiced_wep_key_t*) &security_key[ length ];
            wl_wsec_key_t* out_key = (wl_wsec_key_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, sizeof(wl_wsec_key_t) );
            CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( out_key, &wwd_wifi_sleep_flag );
            memset( out_key, 0, sizeof(wl_wsec_key_t) );
            out_key->index = in_key->index;
            out_key->len = in_key->length;
            memcpy( out_key->data, in_key->data, in_key->length );
            switch ( in_key->length )
            {
                case WEP40_KEY_LENGTH:
                    out_key->algo = (uint32_t) CRYPTO_ALGO_WEP1;
                    break;
                case WEP104_KEY_LENGTH:
                    out_key->algo = (uint32_t) CRYPTO_ALGO_WEP128;
                    break;
                default:
                    host_buffer_release( buffer, WWD_NETWORK_TX );
                    return WWD_INVALID_KEY;
            }
            /* Set the first entry as primary key by default */
            if ( length == 0 )
            {
                out_key->flags |= WL_PRIMARY_KEY;
            }
            out_key->index = htod32(out_key->index);
            out_key->len = htod32(out_key->len);
            out_key->algo = htod32(out_key->algo);
            out_key->flags = htod32(out_key->flags);
            CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_KEY, buffer, NULL, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
        }

        /* Set authentication type */
        auth = (uint32_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
        CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( auth, &wwd_wifi_sleep_flag );
        if ( auth_type == WICED_SECURITY_WEP_SHARED )
        {
            *auth = WEP_SHARED_KEY_AUTHENTICATION; /* 1 = Shared Key authentication */
        }
        else
        {
            *auth = WEP_OPEN_SYSTEM_AUTHENTICATION; /*  0 = Open System authentication */
        }
        CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_AUTH, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
    }
#endif

    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 8, "bsscfg:" IOVAR_STR_WSEC );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = bss_index;
    if ((auth_type & WPS_ENABLED) != 0)
    {
        data[1] = (uint32_t) ( ( auth_type & ( ~WPS_ENABLED ) ) | SES_OW_ENABLED );
    }
    else
    {
        data[1] = (uint32_t) auth_type;
    }
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

    if ( ( auth_type != WICED_SECURITY_OPEN ) && ( auth_type != WICED_SECURITY_WEP_PSK ) && ( auth_type != WICED_SECURITY_WEP_SHARED ) )
    {
        wsec_pmk_t* psk;

        /* Set the wpa auth */
        data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 8, "bsscfg:" IOVAR_STR_WPA_AUTH );
        CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
        data[0] = bss_index;
        data[1] = (uint32_t) (auth_type == WICED_SECURITY_WPA_TKIP_PSK) ? ( WPA_AUTH_PSK ) : ( WPA2_AUTH_PSK | WPA_AUTH_PSK );
        CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

        /* Set the passphrase */
        psk = (wsec_pmk_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, sizeof(wsec_pmk_t) );
        CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( psk, &wwd_wifi_sleep_flag );
        memcpy( psk->key, security_key, key_length );
        psk->key_len = key_length;
        psk->flags   = (uint16_t) WSEC_PASSPHRASE;
        host_rtos_delay_milliseconds( 1 ); /* Delay required to allow radio firmware to be ready to receive PMK and avoid intermittent failure */
        CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_WSEC_PMK, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
    }

    /* Set the GMode */
    data = (uint32_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = (uint32_t) GMODE_AUTO;

    result =  wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_GMODE, buffer, 0, WWD_AP_INTERFACE );
    if ( ( result != WWD_SUCCESS ) && ( result != WWD_WLAN_ASSOCIATED ) )
    {
        wiced_assert("start_ap: Failed to set GMode\n", 0 == 1 );

        (void) host_rtos_deinit_semaphore( &wwd_wifi_sleep_flag );
        return result;
    }

    /* Set the multicast transmission rate to 11 Mbps rather than the default 1 Mbps */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_2G_MULTICAST_RATE );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) RATE_SETTING_11_MBPS;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

    /* Set DTIM period */
    data = (uint32_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = (uint32_t) WICED_DEFAULT_SOFT_AP_DTIM_PERIOD;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_DTIMPRD, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

#ifdef WICED_DISABLE_SSID_BROADCAST
    /* Make the AP "hidden" */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_CLOSEDNET );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = (uint32_t) 1;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
#endif

#ifdef WICED_WIFI_ISOLATE_AP_CLIENTS
    result = wwd_wifi_enable_ap_isolate( WWD_AP_INTERFACE, WICED_TRUE );
    wiced_assert("start_ap: Failed to disable intra BSS routing\r\n", result == WWD_SUCCESS );
#endif /* WICED_WIFI_ISOLATE_AP_CLIENTS */

    return WWD_SUCCESS;
}
示例#7
0
static wwd_result_t internal_ap_init( wiced_ssid_t* ssid, wiced_security_t auth_type, const uint8_t* security_key, uint8_t key_length, uint8_t channel )
{
    wiced_bool_t   wait_for_interface = WICED_FALSE;
    wwd_result_t   result;
    wiced_buffer_t response;
    wiced_buffer_t buffer;
    uint32_t*      data;

    if ( auth_type == WICED_SECURITY_WEP_PSK )
    {
        return WWD_WEP_NOT_ALLOWED;
    }
    if ( ( ( auth_type == WICED_SECURITY_WPA_TKIP_PSK ) || ( auth_type == WICED_SECURITY_WPA2_AES_PSK ) || ( auth_type == WICED_SECURITY_WPA2_MIXED_PSK ) ) &&
         ( ( key_length < (uint8_t) 8 ) || ( key_length > (uint8_t) 64 ) ) )
    {
        return WWD_WPA_KEYLEN_BAD;
    }

    if ( wwd_wifi_set_block_ack_window_size( WWD_AP_INTERFACE ) != WWD_SUCCESS )
    {
        return WWD_SET_BLOCK_ACK_WINDOW_FAIL;
    }

    /* Query bss state (does it exist? if so is it UP?) */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_BSS );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) CHIP_AP_INTERFACE;
    if ( wwd_sdpcm_send_iovar( SDPCM_GET, buffer, &response, WWD_STA_INTERFACE ) != WWD_SUCCESS )
    {
        /* Note: We don't need to release the response packet since the iovar failed */
        wait_for_interface = WICED_TRUE;
    }
    else
    {
        /* Check if the BSS is already UP, if so return */
        uint32_t* data2 = (uint32_t*) host_buffer_get_current_piece_data_pointer( response );
        if ( *data2 == (uint32_t) BSS_UP )
        {
            host_buffer_release( response, WWD_NETWORK_RX );
            wwd_wifi_ap_is_up = WICED_TRUE;
            return WWD_SUCCESS;
        }
        else
        {
            host_buffer_release( response, WWD_NETWORK_RX );
        }
    }

    CHECK_RETURN( host_rtos_init_semaphore( &wwd_wifi_sleep_flag ) );

    /* Register for interested events */
    CHECK_RETURN_WITH_SEMAPHORE( wwd_management_set_event_handler( apsta_events, wwd_handle_apsta_event, NULL, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

    /* Set the SSID */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 40, IOVAR_STR_BSSCFG_SSID );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = (uint32_t) CHIP_AP_INTERFACE; /* Set the bsscfg index */
    data[1] = ssid->length; /* Set the ssid length */
    memcpy( &data[2], (uint8_t*) ssid->value, ssid->length );
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

    /* Check if we need to wait for interface to be created */
    if ( wait_for_interface == WICED_TRUE )
    {
        CHECK_RETURN_WITH_SEMAPHORE( host_rtos_get_semaphore( &wwd_wifi_sleep_flag, (uint32_t) 10000, WICED_FALSE ), &wwd_wifi_sleep_flag );
    }

    /* Set the channel */
    data = (uint32_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = channel;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_CHANNEL, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 8, IOVAR_STR_BSSCFG_WSEC );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = (uint32_t) CHIP_AP_INTERFACE;
    if ((auth_type & WPS_ENABLED) != 0)
    {
        data[1] = (uint32_t) ( ( auth_type & ( ~WPS_ENABLED ) ) | SES_OW_ENABLED );
    }
    else
    {
        data[1] = (uint32_t) auth_type;
    }
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

    if ( auth_type != WICED_SECURITY_OPEN )
    {
        wsec_pmk_t* psk;

        /* Set the wpa auth */
        data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 8, IOVAR_STR_BSSCFG_WPA_AUTH );
        CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
        data[0] = (uint32_t) CHIP_AP_INTERFACE;
        data[1] = (uint32_t) (auth_type == WICED_SECURITY_WPA_TKIP_PSK) ? ( WPA_AUTH_PSK ) : ( WPA2_AUTH_PSK | WPA_AUTH_PSK );
        CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_STA_INTERFACE ), &wwd_wifi_sleep_flag );

        /* Set the passphrase */
        psk = (wsec_pmk_t*) wwd_sdpcm_get_ioctl_buffer( &buffer, sizeof(wsec_pmk_t) );
        CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( psk, &wwd_wifi_sleep_flag );
        memcpy( psk->key, security_key, key_length );
        psk->key_len = key_length;
        psk->flags   = (uint16_t) WSEC_PASSPHRASE;
        host_rtos_delay_milliseconds( 1 ); /* Delay required to allow radio firmware to be ready to receive PMK and avoid intermittent failure */
        CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_WSEC_PMK, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
    }

    /* Set the GMode */
    data = wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = (uint32_t) GMODE_AUTO;

    result =  wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_GMODE, buffer, 0, WWD_AP_INTERFACE );
    if ( ( result != WWD_SUCCESS ) && ( result != WWD_WLAN_ASSOCIATED ) )
    {
        wiced_assert("start_ap: Failed to set GMode\n", 0 == 1 );

        (void) host_rtos_deinit_semaphore( &wwd_wifi_sleep_flag );
        return result;
    }

    /* Set the multicast transmission rate to 11 Mbps rather than the default 1 Mbps */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_2G_MULTICAST_RATE );
    CHECK_IOCTL_BUFFER( data );
    *data = (uint32_t) RATE_SETTING_11_MBPS;
    result = wwd_sdpcm_send_iovar( SDPCM_SET, buffer, NULL, WWD_AP_INTERFACE );
    wiced_assert("start_ap: Failed to set multicast transmission rate\r\n", result == WWD_SUCCESS );

    /* Set DTIM period */
    data = wwd_sdpcm_get_ioctl_buffer( &buffer, (uint16_t) 4 );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    *data = (uint32_t) WICED_DEFAULT_SOFT_AP_DTIM_PERIOD;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_ioctl( SDPCM_SET, WLC_SET_DTIMPRD, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );

#ifdef WICED_DISABLE_SSID_BROADCAST
    /* Make the AP "hidden" */
    data = (uint32_t*) wwd_sdpcm_get_iovar_buffer( &buffer, (uint16_t) 4, IOVAR_STR_CLOSEDNET );
    CHECK_IOCTL_BUFFER_WITH_SEMAPHORE( data, &wwd_wifi_sleep_flag );
    data[0] = (uint32_t) 1;
    CHECK_RETURN_WITH_SEMAPHORE( wwd_sdpcm_send_iovar( SDPCM_SET, buffer, 0, WWD_AP_INTERFACE ), &wwd_wifi_sleep_flag );
#endif

    return WWD_SUCCESS;
}