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nuttx/drivers/wireless/cc3000/wlan.c
Gregory Nutt 0fb035f76b Standardize some naming in code section comments
2016-02-21 18:09:04 -06:00

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/****************************************************************************
* wlan.c - CC3000 Host Driver Implementation.
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <string.h>
#include <debug.h>
#include <nuttx/crypto/aes.h>
#include <nuttx/wireless/cc3000/cc3000_common.h>
#include <nuttx/wireless/cc3000/wlan.h>
#include <nuttx/wireless/cc3000/hci.h>
#include <nuttx/wireless/cc3000/nvmem.h>
#include <nuttx/wireless/cc3000/evnt_handler.h>
#include "cc3000.h"
#include "cc3000drv.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define SMART_CONFIG_PROFILE_SIZE 67 /* 67 = 32 (max ssid) + 32 (max key) +
* 1 (SSID length) + 1 (security type) +
* 1 (key length) */
/* SOCKET_SELECT_PARAMS_LEN + SPI_HEADER_SIZE++SIMPLE_LINK_HCI_DATA_HEADER_SIZ */
#define MAX_HCI_CMD_LENGTH (44+SIMPLE_LINK_HCI_DATA_HEADER_SIZE+SPI_HEADER_SIZE)
/* Patches type */
#define PATCHES_HOST_TYPE_WLAN_DRIVER 0x01
#define PATCHES_HOST_TYPE_WLAN_FW 0x02
#define PATCHES_HOST_TYPE_BOOTLOADER 0x03
#define SL_SET_SCAN_PARAMS_INTERVAL_LIST_SIZE (16)
#define SL_SIMPLE_CONFIG_PREFIX_LENGTH (3)
#define ETH_ALEN (6)
#define MAXIMAL_SSID_LENGTH (32)
#define SL_PATCHES_REQUEST_DEFAULT (0)
#define SL_PATCHES_REQUEST_FORCE_HOST (1)
#define SL_PATCHES_REQUEST_FORCE_NONE (2)
#define WLAN_SEC_UNSEC (0)
#define WLAN_SEC_WEP (1)
#define WLAN_SEC_WPA (2)
#define WLAN_SEC_WPA2 (3)
#define WLAN_SL_INIT_START_PARAMS_LEN (1)
#define WLAN_PATCH_PARAMS_LENGTH (8)
#define WLAN_SET_CONNECTION_POLICY_PARAMS_LEN (12)
#define WLAN_DEL_PROFILE_PARAMS_LEN (4)
#define WLAN_SET_MASK_PARAMS_LEN (4)
#define WLAN_SET_SCAN_PARAMS_LEN (100)
#define WLAN_GET_SCAN_RESULTS_PARAMS_LEN (4)
#define WLAN_ADD_PROFILE_NOSEC_PARAM_LEN (24)
#define WLAN_ADD_PROFILE_WEP_PARAM_LEN (36)
#define WLAN_ADD_PROFILE_WPA_PARAM_LEN (44)
#define WLAN_CONNECT_PARAM_LEN (29)
#define WLAN_SMART_CONFIG_START_PARAMS_LEN (4)
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
volatile sSimplLinkInformation tSLInformation;
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
uint8_t akey[AES128_KEY_SIZE];
uint8_t profileArray[SMART_CONFIG_PROFILE_SIZE];
#endif /* CC3000_UNENCRYPTED_SMART_CONFIG */
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: SimpleLink_Init_Start
*
* Input Parameters:
* usPatchesAvailableAtHost flag to indicate if patches available
* from host or from EEPROM. Due to the
* fact the patches are burn to the EEPROM
* using the patch programmer utility, the
* patches will be available from the EEPROM
* and not from the host.
*
* Returned Value:
* None
*
* Description:
* Send HCI_CMND_SIMPLE_LINK_START to CC3000
*
****************************************************************************/
static void SimpleLink_Init_Start(uint16_t usPatchesAvailableAtHost)
{
uint8_t *ptr;
uint8_t *args;
ptr = tSLInformation.pucTxCommandBuffer;
args = (uint8_t *)(ptr + HEADERS_SIZE_CMD);
if (usPatchesAvailableAtHost <= SL_PATCHES_REQUEST_DEFAULT ||
usPatchesAvailableAtHost > SL_PATCHES_REQUEST_FORCE_NONE)
{
usPatchesAvailableAtHost = SL_PATCHES_REQUEST_DEFAULT;
}
UINT8_TO_STREAM(args, usPatchesAvailableAtHost);
/* IRQ Line asserted - send HCI_CMND_SIMPLE_LINK_START to CC3000 */
hci_command_send(HCI_CMND_SIMPLE_LINK_START, ptr, WLAN_SL_INIT_START_PARAMS_LEN);
SimpleLinkWaitEvent(HCI_CMND_SIMPLE_LINK_START, 0);
}
/****************************************************************************
* Name: wlan_init
*
* Input Parameters:
* sWlanCB Asynchronous events callback.
* 0 no event call back.
* - call back parameters:
* 1) event_type: HCI_EVNT_WLAN_UNSOL_CONNECT connect event,
* HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event,
* HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE config done,
* HCI_EVNT_WLAN_UNSOL_DHCP dhcp report,
* HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report OR
* HCI_EVNT_WLAN_KEEPALIVE keepalive.
* 2) data: pointer to extra data that received by the event
* (NULL no data).
* 3) length: data length.
* - Events with extra data:
* HCI_EVNT_WLAN_UNSOL_DHCP: 4 bytes IP, 4 bytes Mask,
* 4 bytes default gateway, 4 bytes DHCP server and 4 bytes
* for DNS server.
* HCI_EVNT_WLAN_ASYNC_PING_REPORT: 4 bytes Packets sent,
* 4 bytes Packets received, 4 bytes Min round time,
* 4 bytes Max round time and 4 bytes for Avg round time.
*
* sFWPatches 0 no patch or pointer to FW patches
* sDriverPatches 0 no patch or pointer to driver patches
* sBootLoaderPatches 0 no patch or pointer to bootloader patches
*
* Returned Value:
* None
*
* Description:
* Initialize wlan driver
*
* WARNING: This function must be called before ANY other wlan driver function
*
****************************************************************************/
void wlan_init(size_t max_tx_len,
tWlanCB sWlanCB,
tFWPatches sFWPatches,
tDriverPatches sDriverPatches,
tBootLoaderPatches sBootLoaderPatches)
{
void *old = NULL;
cc3000_lib_lock();
tSLInformation.sFWPatches = sFWPatches;
tSLInformation.sDriverPatches = sDriverPatches;
tSLInformation.sBootLoaderPatches = sBootLoaderPatches;
/* Allocate the memory for the RX/TX data transactions */
if (tSLInformation.pucTxCommandBuffer != NULL)
{
old = tSLInformation.pucTxCommandBuffer;
}
tSLInformation.pucTxCommandBuffer = malloc(max_tx_len);
tSLInformation.usrBuffer.pbuffer = &tSLInformation.pucTxCommandBuffer[MAX_HCI_CMD_LENGTH];
tSLInformation.usrBuffer.len = max_tx_len - MAX_HCI_CMD_LENGTH;
/* Init I/O callback */
/* Init asynchronous events callback */
tSLInformation.sWlanCB = sWlanCB;
/* By default TX Complete events are routed to host too */
tSLInformation.InformHostOnTxComplete = 1;
cc3000_lib_unlock();
if (old)
{
free(old);
}
}
/****************************************************************************
* Name: SpiReceiveHandler
*
* Input Parameters:
* pvBuffer - pointer to the received data buffer
*
* Returned Value:
* None
*
* Description:
* The function triggers Received event/data processing. It is
* called from the SPI library to receive the data
*
****************************************************************************/
void SpiReceiveHandler(void *pvBuffer)
{
uint16_t event_type;
tSLInformation.pucReceivedData = (uint8_t *)pvBuffer;
tSLInformation.usEventOrDataReceived = 1;
STREAM_TO_UINT16((char *)tSLInformation.pucReceivedData,
HCI_EVENT_OPCODE_OFFSET, event_type);
nllvdbg("Evnt:0x%x\n", event_type);
UNUSED(event_type);
hci_unsolicited_event_handler();
}
/****************************************************************************
* Name: wlan_start
*
* Input Parameters:
* usPatchesAvailableAtHost - flag to indicate if patches available
* from host or from EEPROM. Due to the
* fact the patches are burn to the EEPROM
* using the patch programmer utility, the
* patches will be available from the EEPROM
* and not from the host.
*
* Returned Value:
* None
*
* Description:
* Start WLAN device. This function asserts the enable pin of
* the device (WLAN_EN), starting the HW initialization process.
* The function blocked until device Initialization is completed.
* Function also configure patches (FW, driver or bootloader)
* and calls appropriate device callbacks.
*
* NOTE: Prior calling the function wlan_init shall be called.
* WARNING: This function must be called after wlan_init and before any
* other wlan API
*
****************************************************************************/
void wlan_start(uint16_t usPatchesAvailableAtHost)
{
cc3000_lib_lock();
tSLInformation.NumberOfSentPackets = 0;
tSLInformation.NumberOfReleasedPackets = 0;
tSLInformation.usRxEventOpcode = 0;
tSLInformation.usNumberOfFreeBuffers = 0;
tSLInformation.usSlBufferLength = 0;
tSLInformation.usBufferSize = 0;
tSLInformation.usRxDataPending = 0;
tSLInformation.slTransmitDataError = 0;
tSLInformation.usEventOrDataReceived = 0;
tSLInformation.pucReceivedData = 0;
/* Init spi */
cc3000_open(SpiReceiveHandler);
SimpleLink_Init_Start(usPatchesAvailableAtHost);
/* Read Buffer's size and finish */
hci_command_send(HCI_CMND_READ_BUFFER_SIZE, tSLInformation.pucTxCommandBuffer, 0);
SimpleLinkWaitEvent(HCI_CMND_READ_BUFFER_SIZE, 0);
cc3000_lib_unlock();
}
/****************************************************************************
* Name: wlan_get_buffer
*
* Input Parameters:
* pdes - Location to return the buffer pointer.
*
* Returned Value:
* None
*
****************************************************************************/
void wlan_get_buffer(wlan_buffer_desc *pdes)
{
*pdes = tSLInformation.usrBuffer;
}
/****************************************************************************
* Name: wlan_stop
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Description:
* Stop WLAN device by putting it into reset state.
*
****************************************************************************/
void wlan_stop(void)
{
cc3000_lib_lock();
cc3000_close();
cc3000_lib_unlock();
}
/****************************************************************************
* Name: wlan_connect
*
* Input Parameters:
* sec_type security options:
* WLAN_SEC_UNSEC,
* WLAN_SEC_WEP (ASCII support only),
* WLAN_SEC_WPA or WLAN_SEC_WPA2
* ssid up to 32 bytes and is ASCII SSID of the AP
* ssid_len length of the SSID
* bssid 6 bytes specified the AP bssid
* key up to 16 bytes specified the AP security key
* key_len key length
*
* Returned Value:
* On success, zero is returned. On error, negative is returned.
* Note that even though a zero is returned on success to trigger
* connection operation, it does not mean that CCC3000 is already
* connected. An asynchronous "Connected" event is generated when
* actual association process finishes and CC3000 is connected to
* the AP. If DHCP is set, An asynchronous "DHCP" event is
* generated when DHCP process is finish.
*
* Description:
* Connect to AP
*
* WARNING: Please Note that when connection to AP configured with security
* type WEP, please confirm that the key is set as ASCII and not
* as HEX.
*
****************************************************************************/
#ifndef CC3000_TINY_DRIVER
long wlan_connect(unsigned long ulSecType, FAR const char *ssid,
long ssid_len, FAR const uint8_t *bssid,
FAR const uint8_t *key, long key_len)
{
long ret;
uint8_t *ptr;
uint8_t *args;
uint8_t bssid_zero[] = {0, 0, 0, 0, 0, 0};
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
/* Fill in command buffer */
args = UINT32_TO_STREAM(args, 0x0000001c);
args = UINT32_TO_STREAM(args, ssid_len);
args = UINT32_TO_STREAM(args, ulSecType);
args = UINT32_TO_STREAM(args, 0x00000010 + ssid_len);
args = UINT32_TO_STREAM(args, key_len);
args = UINT16_TO_STREAM(args, 0);
/* Padding shall be zeroed */
if (bssid)
{
ARRAY_TO_STREAM(args, bssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
ARRAY_TO_STREAM(args, ssid, ssid_len);
if (key_len && key)
{
ARRAY_TO_STREAM(args, key, key_len);
}
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_CONNECT, ptr, WLAN_CONNECT_PARAM_LEN +
ssid_len + key_len - 1);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_CONNECT, &ret);
set_errno(ret);
cc3000_lib_unlock();
return ret;
}
#else
long wlan_connect(FAR const char *ssid, long ssid_len)
{
long ret;
uint8_t *ptr;
uint8_t *args;
uint8_t bssid_zero[] = {0, 0, 0, 0, 0, 0};
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
/* Fill in command buffer */
args = UINT32_TO_STREAM(args, 0x0000001c);
args = UINT32_TO_STREAM(args, ssid_len);
args = UINT32_TO_STREAM(args, 0);
args = UINT32_TO_STREAM(args, 0x00000010 + ssid_len);
args = UINT32_TO_STREAM(args, 0);
args = UINT16_TO_STREAM(args, 0);
/* Padding shall be zeroed */
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
ARRAY_TO_STREAM(args, ssid, ssid_len);
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_CONNECT, ptr, WLAN_CONNECT_PARAM_LEN +
ssid_len - 1);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_CONNECT, &ret);
set_errno(ret);
cc3000_lib_unlock();
return ret;
}
#endif
/****************************************************************************
* Name: wlan_disconnect
*
* Input Parameters:
* None
*
* Returned Value:
* 0 disconnected done, other CC3000 already disconnected
*
* Description:
* Disconnect connection from AP.
*
****************************************************************************/
long wlan_disconnect(void)
{
long ret;
uint8_t *ptr;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_DISCONNECT, ptr, 0);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_DISCONNECT, &ret);
set_errno(ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_ioctl_set_connection_policy
*
* Input Parameters:
* should_connect_to_open_ap enable(1), disable(0) connect to any
* available AP. This parameter corresponds to the configuration of
* item # 3 in the brief description.
* should_use_fast_connect enable(1), disable(0). if enabled, tries
* to connect to the last connected AP. This parameter corresponds
* to the configuration of item # 1 in the brief description.
* auto_start enable(1), disable(0) auto connect
* after reset and periodically reconnect if needed. This
* configuration configures option 2 in the above description.
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* When auto is enabled, the device tries to connect according
* the following policy:
* 1) If fast connect is enabled and last connection is valid,
* the device will try to connect to it without the scanning
* procedure (fast). The last connection will be marked as
* invalid, due to adding/removing profile.
* 2) If profile exists, the device will try to connect it
* (Up to seven profiles).
* 3) If fast and profiles are not found, and open mode is
* enabled, the device will try to connect to any AP.
* * Note that the policy settings are stored in the CC3000 NVMEM.
*
****************************************************************************/
long wlan_ioctl_set_connection_policy(unsigned long should_connect_to_open_ap,
unsigned long ulShouldUseFastConnect,
unsigned long ulUseProfiles)
{
long ret;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (uint8_t *)(ptr + HEADERS_SIZE_CMD);
/* Fill in HCI packet structure */
args = UINT32_TO_STREAM(args, should_connect_to_open_ap);
args = UINT32_TO_STREAM(args, ulShouldUseFastConnect);
args = UINT32_TO_STREAM(args, ulUseProfiles);
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_IOCTL_SET_CONNECTION_POLICY,
ptr, WLAN_SET_CONNECTION_POLICY_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SET_CONNECTION_POLICY, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_add_profile
*
* Input Parameters:
* ulSecType WLAN_SEC_UNSEC,WLAN_SEC_WEP,WLAN_SEC_WPA,WLAN_SEC_WPA2
* ucSsid ssid SSID up to 32 bytes
* ulSsidLen ssid length
* ucBssid bssid 6 bytes
* ulPriority ulPriority profile priority. Lowest priority:0.
* ulPairwiseCipher_Or_TxKeyLen key length for WEP security
* ulGroupCipher_TxKeyIndex key index
* ulKeyMgmt KEY management
* ucPf_OrKey security key
* ulPassPhraseLen security key length for WPA\WPA2
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* When auto start is enabled, the device connects to
* station from the profiles table. Up to 7 profiles are supported.
* If several profiles configured the device choose the highest
* priority profile, within each priority group, device will choose
* profile based on security policy, signal strength, etc
* parameters. All the profiles are stored in CC3000 NVMEM.
*
****************************************************************************/
#ifndef CC3000_TINY_DRIVER
long wlan_add_profile(unsigned long ulSecType, uint8_t *ucSsid,
unsigned long ulSsidLen, uint8_t *ucBssid,
unsigned long ulPriority,
unsigned long ulPairwiseCipher_Or_TxKeyLen,
unsigned long ulGroupCipher_TxKeyIndex,
unsigned long ulKeyMgmt, uint8_t *ucPf_OrKey,
unsigned long ulPassPhraseLen)
{
uint16_t arg_len = 0;
long ret;
uint8_t *ptr;
long i = 0;
uint8_t *args;
uint8_t bssid_zero[] = {0, 0, 0, 0, 0, 0};
cc3000_lib_lock();
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
args = UINT32_TO_STREAM(args, ulSecType);
/* Setup arguments in accordance with the security type */
switch (ulSecType)
{
/* OPEN */
case WLAN_SEC_UNSEC:
{
args = UINT32_TO_STREAM(args, 0x00000014);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if (ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
arg_len = WLAN_ADD_PROFILE_NOSEC_PARAM_LEN + ulSsidLen;
}
break;
/* WEP */
case WLAN_SEC_WEP:
{
args = UINT32_TO_STREAM(args, 0x00000020);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if (ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
args = UINT32_TO_STREAM(args, 0x0000000C + ulSsidLen);
args = UINT32_TO_STREAM(args, ulPairwiseCipher_Or_TxKeyLen);
args = UINT32_TO_STREAM(args, ulGroupCipher_TxKeyIndex);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
for (i = 0; i < 4; i++)
{
uint8_t *p = &ucPf_OrKey[i * ulPairwiseCipher_Or_TxKeyLen];
ARRAY_TO_STREAM(args, p, ulPairwiseCipher_Or_TxKeyLen);
}
arg_len = WLAN_ADD_PROFILE_WEP_PARAM_LEN + ulSsidLen +
ulPairwiseCipher_Or_TxKeyLen * 4;
}
break;
/* WPA, WPA2 */
case WLAN_SEC_WPA:
case WLAN_SEC_WPA2:
{
args = UINT32_TO_STREAM(args, 0x00000028);
args = UINT32_TO_STREAM(args, ulSsidLen);
args = UINT16_TO_STREAM(args, 0);
if (ucBssid)
{
ARRAY_TO_STREAM(args, ucBssid, ETH_ALEN);
}
else
{
ARRAY_TO_STREAM(args, bssid_zero, ETH_ALEN);
}
args = UINT32_TO_STREAM(args, ulPriority);
args = UINT32_TO_STREAM(args, ulPairwiseCipher_Or_TxKeyLen);
args = UINT32_TO_STREAM(args, ulGroupCipher_TxKeyIndex);
args = UINT32_TO_STREAM(args, ulKeyMgmt);
args = UINT32_TO_STREAM(args, 0x00000008 + ulSsidLen);
args = UINT32_TO_STREAM(args, ulPassPhraseLen);
ARRAY_TO_STREAM(args, ucSsid, ulSsidLen);
ARRAY_TO_STREAM(args, ucPf_OrKey, ulPassPhraseLen);
arg_len = WLAN_ADD_PROFILE_WPA_PARAM_LEN + ulSsidLen + ulPassPhraseLen;
}
break;
}
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_IOCTL_ADD_PROFILE,
ptr, arg_len);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_ADD_PROFILE, &ret);
cc3000_lib_unlock();
return ret;
}
#else
long wlan_add_profile(unsigned long ulSecType, uint8_t * ucSsid, uint8_t ulSsidLen,
uint8_t *ucBssid, unsigned long ulPriority,
unsigned long ulPairwiseCipher_Or_TxKeyLen,
unsigned long ulGroupCipher_TxKeyIndex,
unsigned long ulKeyMgmt, uint8_t * ucPf_OrKey,
unsigned long ulPassPhraseLen)
{
return -1;
}
#endif
/****************************************************************************
* Name: wlan_ioctl_del_profile
*
* Input Parameters:
* index number of profile to delete
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Delete WLAN profile
*
* @Note In order to delete all stored profile, set index to 255.
*
****************************************************************************/
long wlan_ioctl_del_profile(unsigned long ulIndex)
{
long ret;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ptr = tSLInformation.pucTxCommandBuffer;
args = (uint8_t *)(ptr + HEADERS_SIZE_CMD);
/* Fill in HCI packet structure */
args = UINT32_TO_STREAM(args, ulIndex);
ret = EFAIL;
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_IOCTL_DEL_PROFILE,
ptr, WLAN_DEL_PROFILE_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_DEL_PROFILE, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_ioctl_get_scan_results
*
* Input Parameters:
* scan_timeout parameter not supported
* ucResults scan results (_wlan_full_scan_results_args_t)
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Gets entry from scan result table.
* The scan results are returned one by one, and each entry
* represents a single AP found in the area. The following is a
* format of the scan result:
* - 4 Bytes: number of networks found
* - 4 Bytes: The status of the scan: 0 - aged results,
* 1 - results valid, 2 - no results
* - 42 bytes: Result entry, where the bytes are arranged as follows:
* - 1 bit isValid - is result valid or not
* - 7 bits rssi - RSSI value;
* - 2 bits: securityMode - security mode of the AP:
* 0 - Open, 1 - WEP, 2 WPA, 3 WPA2
* - 6 bits: SSID name length
* - 2 bytes: the time at which the entry has entered into
* scans result table
* - 32 bytes: SSID name
* - 6 bytes: BSSID
*
* NOTE: scan_timeout, is not supported on this version.
*
****************************************************************************/
#ifndef CC3000_TINY_DRIVER
long wlan_ioctl_get_scan_results(unsigned long ulScanTimeout, uint8_t *ucResults)
{
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
/* Fill in temporary command buffer */
args = UINT32_TO_STREAM(args, ulScanTimeout);
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS,
ptr, WLAN_GET_SCAN_RESULTS_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS, ucResults);
cc3000_lib_unlock();
return 0;
}
#endif
/****************************************************************************
* Name: wlan_ioctl_set_scan_params
*
* Input Parameters:
* uiEnable - start/stop application scan:
* 1 = start scan with default interval value of 10 min.
* in order to set a different scan interval value apply the value
* in milliseconds. minimum 1 second. 0=stop). Wlan reset
* (wlan_stop() wlan_start()) is needed when changing scan interval
* value. Saved: No
* uiMinDwellTime minimum dwell time value to be used for each
* channel, in milliseconds. Saved: yes
* Recommended Value: 100 (Default: 20)
* uiMaxDwellTime maximum dwell time value to be used for each
* channel, in milliseconds. Saved: yes
* Recommended Value: 100 (Default: 30)
* uiNumOfProbeRequests max probe request between dwell time.
* Saved: yes. Recommended Value: 5 (Default:2)
* uiChannelMask bitwise, up to 13 channels (0x1fff).
* Saved: yes. Default: 0x7ff
* uiRSSIThreshold RSSI threshold. Saved: yes (Default: -80)
* uiSNRThreshold NSR threshold. Saved: yes (Default: 0)
* uiDefaultTxPower probe Tx power. Saved: yes (Default: 205)
* aiIntervalList pointer to array with 16 entries (16 channels)
* each entry (unsigned long) holds timeout between periodic scan
* (connection scan) - in millisecond. Saved: yes. Default 2000ms.
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* start and stop scan procedure. Set scan parameters.
*
* @Note uiDefaultTxPower, is not supported on this version.
*
****************************************************************************/
#ifndef CC3000_TINY_DRIVER
long wlan_ioctl_set_scan_params(unsigned long uiEnable,
unsigned long uiMinDwellTime,
unsigned long uiMaxDwellTime,
unsigned long uiNumOfProbeRequests,
unsigned long uiChannelMask,
long iRSSIThreshold,
unsigned long uiSNRThreshold,
unsigned long uiDefaultTxPower,
unsigned long *aiIntervalList)
{
unsigned long uiRes;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
/* Fill in temporary command buffer */
args = UINT32_TO_STREAM(args, 36);
args = UINT32_TO_STREAM(args, uiEnable);
args = UINT32_TO_STREAM(args, uiMinDwellTime);
args = UINT32_TO_STREAM(args, uiMaxDwellTime);
args = UINT32_TO_STREAM(args, uiNumOfProbeRequests);
args = UINT32_TO_STREAM(args, uiChannelMask);
args = UINT32_TO_STREAM(args, iRSSIThreshold);
args = UINT32_TO_STREAM(args, uiSNRThreshold);
args = UINT32_TO_STREAM(args, uiDefaultTxPower);
ARRAY_TO_STREAM(args, aiIntervalList, sizeof(unsigned long) *
SL_SET_SCAN_PARAMS_INTERVAL_LIST_SIZE);
/* Initiate a HCI command */
hci_command_send(HCI_CMND_WLAN_IOCTL_SET_SCANPARAM,
ptr, WLAN_SET_SCAN_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SET_SCANPARAM, &uiRes);
cc3000_lib_unlock();
return uiRes;
}
#endif
/****************************************************************************
* Name: wlan_set_event_mask
*
* Input Parameters:
* mask mask option:
* HCI_EVNT_WLAN_UNSOL_CONNECT connect event
* HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event
* HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE smart config done
* HCI_EVNT_WLAN_UNSOL_INIT init done
* HCI_EVNT_WLAN_UNSOL_DHCP dhcp event report
* HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report
* HCI_EVNT_WLAN_KEEPALIVE keepalive
* HCI_EVNT_WLAN_TX_COMPLETE - disable information on end of transmission
* Saved: no.
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Mask event according to bit mask. In case that event is
* masked (1), the device will not send the masked event to host.
*
****************************************************************************/
long wlan_set_event_mask(unsigned long ulMask)
{
long ret;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
if ((ulMask & HCI_EVNT_WLAN_TX_COMPLETE) == HCI_EVNT_WLAN_TX_COMPLETE)
{
tSLInformation.InformHostOnTxComplete = 0;
/* Since an event is a virtual event - i.e. it is not coming from CC3000
* there is no need to send anything to the device if it was an only event
*/
if (ulMask == HCI_EVNT_WLAN_TX_COMPLETE)
{
return 0;
}
ulMask &= ~HCI_EVNT_WLAN_TX_COMPLETE;
ulMask |= HCI_EVNT_WLAN_UNSOL_BASE;
}
else
{
tSLInformation.InformHostOnTxComplete = 1;
}
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (uint8_t *)(ptr + HEADERS_SIZE_CMD);
/* Fill in HCI packet structure */
args = UINT32_TO_STREAM(args, ulMask);
/* Initiate a HCI command */
hci_command_send(HCI_CMND_EVENT_MASK,
ptr, WLAN_SET_MASK_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_EVENT_MASK, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_ioctl_statusget
*
* Input Parameters:
* None
*
* Returned Value:
* WLAN_STATUS_DISCONNECTED, WLAN_STATUS_SCANING,
* STATUS_CONNECTING or WLAN_STATUS_CONNECTED
*
* Description:
* get wlan status: disconnected, scanning, connecting or connected
*
****************************************************************************/
#ifndef CC3000_TINY_DRIVER
long wlan_ioctl_statusget(void)
{
long ret;
uint8_t *ptr;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_IOCTL_STATUSGET,
ptr, 0);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_STATUSGET, &ret);
cc3000_lib_unlock();
return ret;
}
#endif
/****************************************************************************
* Name: wlan_smart_config_start
*
* Input Parameters:
* algoEncryptedFlag indicates whether the information is encrypted
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Start to acquire device profile. The device acquire its own
* profile, if profile message is found. The acquired AP information
* is stored in CC3000 EEPROM only in case AES128 encryption is used.
* In case AES128 encryption is not used, a profile is created by
* CC3000 internally.
*
* @Note An asynchronous event - Smart Config Done will be generated as soon
* as the process finishes successfully.
*
****************************************************************************/
long wlan_smart_config_start(unsigned long algoEncryptedFlag)
{
long ret;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (uint8_t *)(ptr + HEADERS_SIZE_CMD);
/* Fill in HCI packet structure */
args = UINT32_TO_STREAM(args, algoEncryptedFlag);
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_START, ptr,
WLAN_SMART_CONFIG_START_PARAMS_LEN);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_START, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_smart_config_stop
*
* Input Parameters:
* algoEncryptedFlag indicates whether the information is encrypted
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Stop the acquire profile procedure
*
****************************************************************************/
long wlan_smart_config_stop(void)
{
long ret;
uint8_t *ptr;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_STOP, ptr, 0);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_STOP, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: wlan_smart_config_set_prefix
*
* Input Parameters:
* newPrefix 3 bytes identify the SSID prefix for the Smart Config.
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* Configure station ssid prefix. The prefix is used internally
* in CC3000. It should always be TTT.
*
* @Note The prefix is stored in CC3000 NVMEM
*
****************************************************************************/
long wlan_smart_config_set_prefix(FAR char *cNewPrefix)
{
long ret;
uint8_t *ptr;
uint8_t *args;
cc3000_lib_lock();
ret = EFAIL;
ptr = tSLInformation.pucTxCommandBuffer;
args = (ptr + HEADERS_SIZE_CMD);
if (cNewPrefix == NULL)
{
return ret;
}
/* With the new Smart Config, prefix must be TTT */
else
{
*cNewPrefix = 'T';
*(cNewPrefix + 1) = 'T';
*(cNewPrefix + 2) = 'T';
}
ARRAY_TO_STREAM(args, cNewPrefix, SL_SIMPLE_CONFIG_PREFIX_LENGTH);
hci_command_send(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_SET_PREFIX, ptr,
SL_SIMPLE_CONFIG_PREFIX_LENGTH);
/* Wait for command complete event */
SimpleLinkWaitEvent(HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_SET_PREFIX, &ret);
cc3000_lib_unlock();
return ret;
}
/****************************************************************************
* Name: aes_read_key
*
* Description:
* Reads AES128 key from EEPROM. Reads the AES128 key from fileID #12 in
* EEPROM returns an error if the key does not exist.
*
* Input Parameters:
* key AES128 key of size 16 bytes
*
* Returned Value
* On success 0, error otherwise.
*
****************************************************************************/
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
signed long aes_read_key(uint8_t *key)
{
signed long returnValue;
returnValue = nvmem_read(NVMEM_AES128_KEY_FILEID, AES128_KEY_SIZE, 0, key);
return returnValue;
}
#endif
/****************************************************************************
* Name: aes_write_key
*
* Description:
* Writes AES128 key from EEPROM Writes the AES128 key to fileID #12 in
* EEPROM
*
* Input Parameters:
* key AES128 key of size 16 bytes
*
* Returned Value
* On success 0, error otherwise.
*
****************************************************************************/
#if 0 //#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
signed long aes_write_key(uint8_t *key)
{
signed long returnValue;
returnValue = nvmem_write(NVMEM_AES128_KEY_FILEID, AES128_KEY_SIZE, 0, key);
return returnValue;
}
#endif
/****************************************************************************
* Name: wlan_smart_config_process
*
* Input Parameters:
* None
*
* Returned Value:
* On success, zero is returned. On error, -1 is returned
*
* Description:
* process the acquired data and store it as a profile. The acquired
* AP information is stored in CC3000 EEPROM encrypted.
* The encrypted data is decrypted and stored as a profile.
* behavior is as defined by connection policy.
*
****************************************************************************/
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
long wlan_smart_config_process()
{
signed long returnValue;
unsigned long ssidLen, keyLen;
uint8_t *decKeyPtr;
uint8_t *ssidPtr;
/* Read the key from EEPROM - fileID 12 */
returnValue = aes_read_key(akey);
if (returnValue != 0)
{
return returnValue;
}
/* Read the received data from fileID #13 and parse it according to the followings:
* 1) SSID LEN - not encrypted
* 2) SSID - not encrypted
* 3) KEY LEN - not encrypted. always 32 bytes long
* 4) Security type - not encrypted
* 5) KEY - encrypted together with true key length as the first byte in KEY
* to elaborate, there are two corner cases:
* 1) the KEY is 32 bytes long. In this case, the first byte does not represent
* KEY length
* 2) the KEY is 31 bytes long. In this case, the first byte represent KEY
* length and equals 31
*/
returnValue = nvmem_read(NVMEM_SHARED_MEM_FILEID, SMART_CONFIG_PROFILE_SIZE,
0, profileArray);
if (returnValue != 0)
{
return returnValue;
}
ssidPtr = &profileArray[1];
ssidLen = profileArray[0];
decKeyPtr = &profileArray[profileArray[0] + 3];
aes_decrypt(decKeyPtr, akey);
if (profileArray[profileArray[0] + 1] > 16)
{
aes_decrypt((uint8_t *)(decKeyPtr + 16), akey);
}
if (*(uint8_t *)(decKeyPtr +31) != 0)
{
if (*decKeyPtr == 31)
{
keyLen = 31;
decKeyPtr++;
}
else
{
keyLen = 32;
}
}
else
{
keyLen = *decKeyPtr;
decKeyPtr++;
}
/* Add a profile */
switch (profileArray[profileArray[0] + 2])
{
case WLAN_SEC_UNSEC: /* None */
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], /* Security type */
ssidPtr, /* SSID */
ssidLen, /* SSID length */
NULL, /* BSSID */
1, /* Priority */
0, 0, 0, 0, 0);
break;
}
case WLAN_SEC_WEP: /* WEP */
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], /* Security type */
ssidPtr, /* SSID */
ssidLen, /* SSID length */
NULL, /* BSSID */
1, /* Priority */
keyLen, /* KEY length */
0, /* KEY index */
0,
decKeyPtr, /* KEY */
0);
break;
}
case WLAN_SEC_WPA: /* WPA */
case WLAN_SEC_WPA2: /* WPA2 */
{
returnValue = wlan_add_profile(WLAN_SEC_WPA2, /* Security type */
ssidPtr,
ssidLen,
NULL, /* BSSID */
1, /* Priority */
0x18, /* PairwiseCipher */
0x1e, /* GroupCipher */
2, /* KEY management */
decKeyPtr, /* KEY */
keyLen); /* KEY length */
break;
}
}
return returnValue;
}
#endif /* CC3000_UNENCRYPTED_SMART_CONFIG */
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