/**
* suppRsnFsmCreate
*
* FUNCTION
* Allocates and initializes the state of an RSN key FSM instance for
* the given BP context.
*
* @parm ctx the BP context whose instance is being created
* @param pskBased pass in eANI_BOOLEAN_TRUE is this BP is to be
* authenticated based on a pre-shared key as opposed to EAP.
*
* @return ANI_OK if the operation succeeds
*/
int
suppRsnFsmCreate(tBtampContext *ctx)
{
int retVal = ANI_OK;
tSuppRsnFsm *fsm = &ctx->uFsm.suppFsm;
// First, clear everything out
vos_mem_zero( fsm, sizeof(tSuppRsnFsm));
if( !VOS_IS_STATUS_SUCCESS( bapRsnRegisterTxRxCallbacks( suppRsnTxCompleteHandler,
suppRsnRxFrameHandler ) ) )
{
return ANI_ERROR;
}
if( !VOS_IS_STATUS_SUCCESS( bapRsnRegisterRxCallback( ctx->pvosGCtx ) ) )
{
return ANI_ERROR;
}
// Allocate the supplicant context
fsm->suppCtx = (tSuppContext *)vos_mem_malloc( sizeof(tSuppContext) );
if (fsm->suppCtx == NULL)
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
// Clear out the supplicant context
vos_mem_zero( fsm->suppCtx, sizeof(tSuppContext));
fsm->ctx = ctx;
//Only support CCMP
fsm->suppCtx->pwCipherType = eCSR_ENCRYPT_TYPE_AES;
retVal = aniAsfPacketAllocateExplicit(&fsm->lastEapol,
RSN_MAX_PACKET_SIZE,
EAPOL_TX_HEADER_SIZE);
if (retVal != ANI_OK)
{
VOS_ASSERT( 0 );
goto error;
}
aniAsfPacketAllocate(&fsm->suppCtx->pmk);
if (fsm->suppCtx->pmk == NULL)
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
fsm->suppCtx->ieAp = NULL;
fsm->cryptHandle = 0;
if( !VOS_IS_STATUS_SUCCESS( vos_crypto_init( &fsm->cryptHandle ) ) )
{
retVal = ANI_E_FAILED;
VOS_ASSERT( 0 );
}
fsm->currentState = INITIALIZE;
gotoStateInit(fsm);
suppRsnFsmProcessEvent( fsm, RSN_FSM_AUTH_START, NULL );
return ANI_OK;
error:
suppRsnFsmFree( ctx );
return retVal;
}
/**
* authRsnFsmCreate
*
* FUNCTION
* Allocates and initializes the state of an RSN key FSM instance for
* the given STA context.
*
* @parm staCtx the STA context whose instance is being created
* @param pskBased pass in eANI_BOOLEAN_TRUE is this STA is to be
* authenticated based on a pre-shared key as opposed to EAP.
*
* @return ANI_OK if the operation succeeds
*/
int
authRsnFsmCreate(tBtampContext *ctx)
{
int retVal = ANI_OK;
tAuthRsnFsm *fsm = &ctx->uFsm.authFsm;
// First, clear everything out
vos_mem_zero( fsm, sizeof(tAuthRsnFsm));
if( !VOS_IS_STATUS_SUCCESS( bapRsnRegisterTxRxCallbacks( authRsnTxCompleteHandler,
authRsnRxFrameHandler ) ) )
{
return ANI_ERROR;
}
if( !VOS_IS_STATUS_SUCCESS( bapRsnRegisterRxCallback( ctx->pvosGCtx ) ) )
{
return ANI_ERROR;
}
// Allocate the station context
fsm->staCtx = (tStaContext *)vos_mem_malloc( sizeof(tStaContext) );
if (fsm->staCtx == NULL)
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
// Clear out the station context
vos_mem_zero( fsm->staCtx, sizeof(tStaContext) );
fsm->ctx = ctx;
fsm->staCtx->authRsnFsm = fsm;
//Only support CCMP
fsm->staCtx->pwCipherType = eCSR_ENCRYPT_TYPE_AES;
if( !VOS_IS_STATUS_SUCCESS( vos_timer_init( &fsm->msg2Timer, VOS_TIMER_TYPE_SW, msg2TimerCallback, fsm ) ) )
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
if( !VOS_IS_STATUS_SUCCESS( vos_timer_init( &fsm->msg4Timer, VOS_TIMER_TYPE_SW, msg4TimerCallback, fsm ) ) )
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
retVal = aniAsfPacketAllocateExplicit(&fsm->lastEapol,
RSN_MAX_PACKET_SIZE,
EAPOL_TX_HEADER_SIZE );
if (retVal != ANI_OK)
{
VOS_ASSERT( 0 );
goto error;
}
aniAsfPacketAllocate(&fsm->staCtx->pmk);
if (fsm->staCtx->pmk == NULL)
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
aniAsfPacketAllocateExplicit(&fsm->staCtx->ieSta,
RSN_IE_MAX_PACKET_SIZE,
RSN_IE_HEADER_SIZE );
if (fsm->staCtx->ieSta == NULL)
{
retVal = ANI_E_MALLOC_FAILED;
VOS_ASSERT( 0 );
goto error;
}
fsm->cryptHandle = 0;
if( !VOS_IS_STATUS_SUCCESS( vos_crypto_init( &fsm->cryptHandle ) ) )
{
retVal = ANI_E_FAILED;
VOS_ASSERT( 0 );
goto error;
}
fsm->currentState = INITIALIZE;
gotoStateInit(fsm);
//We can call this function here because it is connected at this time
authRsnFsmProcessEvent( fsm, RSN_FSM_AUTH_START, NULL );
return ANI_OK;
error:
authRsnFsmFree(ctx);
return retVal;
}
