/********************************************************************************************************
* @fn ZMacSendNoData
*
* @brief This function sends an empty msg
*
* @param DstAddr - destination short address
* DstPANId - destination pan id
*
* @return None
********************************************************************************************************/
void ZMacSendNoData ( uint16 DstAddr, uint16 DstPANId )
{
macMcpsDataReq_t *pBuf;
/* Allocate memory */
pBuf = MAC_McpsDataAlloc(0, MAC_SEC_LEVEL_NONE, MAC_KEY_ID_MODE_NONE);
if (pBuf)
{
/* Fill in src information */
pBuf->mac.srcAddrMode = SADDR_MODE_SHORT;
/* Fill in dst information */
pBuf->mac.dstAddr.addr.shortAddr = DstAddr;
pBuf->mac.dstAddr.addrMode = SADDR_MODE_SHORT;
pBuf->mac.dstPanId = DstPANId;
/* Misc information */
pBuf->mac.msduHandle = 0;
pBuf->mac.txOptions = ZMAC_TXOPTION_ACK | ZMAC_TXOPTION_NO_RETRANS | ZMAC_TXOPTION_NO_CNF;
/* Right now, set security to zero */
pBuf->sec.securityLevel = false;
/* Call Mac Data Request */
MAC_McpsDataReq(pBuf);
}
}
/********************************************************************************************************
* @fn ZMacDataReq
*
* @brief Send a MAC Data Frame packet.
*
* @param structure containing data and where to send it.
*
* @return status
********************************************************************************************************/
ROOT uint8 ZMacDataReq( ZMacDataReq_t *pData )
{
macMcpsDataReq_t *pBuf;
/* Allocate memory */
pBuf = MAC_McpsDataAlloc(pData->msduLength, MAC_SEC_LEVEL_NONE, MAC_KEY_ID_MODE_NONE);
if (pBuf)
{
/* Copy the addresses */
osal_memcpy (&pBuf->mac, pData, sizeof (macDataReq_t));
/* Copy data */
pBuf->msdu.len = pData->msduLength;
osal_memcpy (pBuf->msdu.p, pData->msdu, pData->msduLength);
/* Right now, set security to zero */
pBuf->sec.securityLevel = false;
/* Call Mac Data Request */
MAC_McpsDataReq(pBuf);
return ( ZMacSuccess );
}
return MAC_NO_RESOURCES;
}
/********************************************************************************************************
* @fn ZMacDataReqSec
*
* @brief Send a MAC Data Frame packet, calls the passed in function to apply non-MAC security
* on the MAC data field after the MAC buffer allocation.
*
* @param pData - structure containing data and where to send it.
* @param secCB - callback function to apply security, NULL indicates no security
*
* @return status
********************************************************************************************************/
uint8 ZMacDataReqSec( ZMacDataReq_t *pData, applySecCB_t secCB )
{
macMcpsDataReq_t *pBuf;
/* Allocate memory */
pBuf = MAC_McpsDataAlloc( pData->msduLength, MAC_SEC_LEVEL_NONE, MAC_KEY_ID_MODE_NONE );
if ( pBuf )
{
/* Copy the addresses */
osal_memcpy( &pBuf->mac, pData, sizeof (macDataReq_t) );
/* Copy data */
pBuf->msdu.len = pData->msduLength;
osal_memcpy( pBuf->msdu.p, pData->msdu, pData->msduLength );
/* Encrypt in place */
if ( secCB && pBuf->msdu.len && pBuf->msdu.p )
{
if ( secCB( pBuf->msdu.len, pBuf->msdu.p ) != ZSuccess )
{
// Deallocate the buffer. MAC_McpsDataAlloc() calls osal_msg_allocate() and
// returns the same pointer.
osal_msg_deallocate( (uint8 *)pBuf );
return ( MAC_NO_RESOURCES );
}
}
/* Right now, set MAC security to off */
pBuf->sec.securityLevel = false;
/* Call Mac Data Request */
MAC_McpsDataReq( pBuf );
return ( ZMacSuccess );
}
return ( MAC_NO_RESOURCES );
}
/********************************************************************************************************
* @fn ZMacDataReqSec
*
* @brief Send a MAC Data Frame packet, calls the passed in function to apply non-MAC security
* on the MAC data field after the MAC buffer allocation.
*
* @param pData - structure containing data and where to send it.
* @param secCB - callback function to apply security, NULL indicates no security
*
* @return status
********************************************************************************************************/
uint8 ZMacDataReqSec( ZMacDataReq_t *pData, applySecCB_t secCB )
{
macMcpsDataReq_t *pBuf;
/* Allocate memory */
pBuf = MAC_McpsDataAlloc( pData->msduLength, pData->Sec.SecurityLevel, pData->Sec.KeyIdMode );
if ( pBuf )
{
/* Copy the addresses */
osal_memcpy( &pBuf->mac, pData, sizeof (macDataReq_t) );
/* Copy data */
osal_memcpy( pBuf->msdu.p, pData->msdu, pData->msduLength );
/* Copy Security parameters */
osal_memcpy( &pBuf->sec, &pData->Sec, sizeof (macSec_t));
/* Encrypt in place */
if ( secCB && pBuf->msdu.len && pBuf->msdu.p )
{
if ( secCB( pBuf->msdu.len, pBuf->msdu.p ) != ZSuccess )
{
// Deallocate the buffer. MAC_McpsDataAlloc() calls osal_msg_allocate() and
// returns the same pointer.
osal_msg_deallocate( (uint8 *)pBuf );
return ( MAC_NO_RESOURCES );
}
}
/* Call Mac Data Request */
MAC_McpsDataReq( pBuf );
return ( ZMacSuccess );
}
return ( MAC_NO_RESOURCES );
}
