/* BEGIN_ICS_COPYRIGHT4 ****************************************
Copyright (c) 2015-2017, Intel Corporation
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 Intel Corporation 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.
** END_ICS_COPYRIGHT4 ****************************************/
#include "gsamain.h"
//
// GsiPostSendDgrm
//
//
//
// INPUTS:
//
// ServiceHandle - Handle returned upon registration
//
// DgrmList - List of datagram(s) to be posted for send
// each must have payload in network byte order
// however MAD and RMPP_HEADERs should be in host
// byte order. On success, GSI owns the buffer and
// will byte swap back the MAD header prior to send completion
// on failure the buffer will be restored to host byte order
// for the MAD and RMPP headers
//
// OUTPUTS:
//
// None
//
//
//
// RETURNS:
//
// FSUCCESS
// FINVALID_PARAMETER
// FINSUFFICIENT_RESOURCES
// FINVALID_STATE
//
FSTATUS
iba_gsi_post_send(
IN IB_HANDLE ServiceHandle,
IN IBT_DGRM_ELEMENT *DgrmList
)
{
FSTATUS status=FCANCELED;
GSA_POST_SEND_LIST *pPostList;
GSA_SERVICE_CLASS_INFO *serviceClass;
IBT_DGRM_ELEMENT_PRIV *pDgrmPrivate;
_DBG_ENTER_LVL (_DBG_LVL_SEND, iba_gsi_post_send);
serviceClass = (GSA_SERVICE_CLASS_INFO *)ServiceHandle;
pDgrmPrivate = (IBT_DGRM_ELEMENT_PRIV *)DgrmList;
#if defined(DBG) || defined(IB_DEBUG)
if (GSA_CLASS_SIG != serviceClass->SigInfo )
{
_DBG_ERROR (("Bad Class Handle passed by client!!!\n"));
_DBG_BREAK;
}
if ( pDgrmPrivate->MemPoolHandle->ServiceHandle != serviceClass )
{
_DBG_ERROR (("Dgrm List is not owned by given Class Handle!!!\n"));
_DBG_BREAK;
}
#endif
// generate a PostSendList from the first datagram in post
pPostList = &pDgrmPrivate->PostSendList;
// Fill in list details
pPostList->DgrmIn = 0;
AtomicWrite(&pPostList->DgrmOut, 0);
pPostList->DgrmList = DgrmList;
pPostList->SARRequest = FALSE;
// Find out if client is a SAR client
if ( TRUE == serviceClass->bSARRequired )
{
_DBG_PRINT(_DBG_LVL_SEND,( "SAR Client request\n" ));
status = DoSARSend( serviceClass, pPostList );
}
// We get here if non SAR client or if SAR request was not segmented
if ( FCANCELED == status )
{
IBT_DGRM_ELEMENT *pDgrmPostList;
// Get total send requests
pDgrmPostList = DgrmList;
while ( pDgrmPostList )
{
pPostList->DgrmIn++;
pDgrmPostList = \
(IBT_DGRM_ELEMENT *)pDgrmPostList->Element.pNextElement;
}
status = GsiDoSendDgrm(serviceClass, pPostList);
} // SAR
_DBG_LEAVE_LVL(_DBG_LVL_SEND);
return status;
}
//
// GsiDoSendDgrm
//
//
//
// INPUTS:
//
// ServiceClass - ServiceClass from registration
// if NULL, assumed to be Dgrms from global RecvQ
// and 2nd buffer is a single MAD to be posted
//
// pPostList - post list info.
// 1st pPostList->DgrmIn dgrms in this list will be posted.
// each must have payload in network byte order
// however MAD and RMPP_HEADERs should be in host
// byte order. On success, GSI owns the buffer and
// will byte swap back the MAD header prior to send completion
// on failure the buffer will be restored to host byte order
// for the MAD and RMPP headers
//
// OUTPUTS:
//
// None
//
//
//
// RETURNS:
//
//
FSTATUS
GsiDoSendDgrm(
GSA_SERVICE_CLASS_INFO *ServiceClass,
IN GSA_POST_SEND_LIST *pPostList
)
{
FSTATUS status = FINVALID_PARAMETER; // list empty
IBT_DGRM_ELEMENT_PRIV *pDgrmPrivate, *pDgrmPrivateNext;
IB_HANDLE qp1Handle, cqHandle;
SPIN_LOCK *qpLock;
IB_L_KEY memLKey;
MAD *pMad;
uint32 dgrmCount, i, dgrmFailed;
IB_WORK_REQ workRequest;
IB_ADDRESS_VECTOR avInfo;
_DBG_ENTER_LVL (_DBG_LVL_SEND, GsiDoSendDgrm);
pDgrmPrivate = (IBT_DGRM_ELEMENT_PRIV *)pPostList->DgrmList;
dgrmCount = pPostList->DgrmIn;
dgrmFailed = 0; // set a count for bad requests
while ( dgrmCount-- )
{
pDgrmPrivateNext = (IBT_DGRM_ELEMENT_PRIV *)
pDgrmPrivate->DgrmElement.Element.pNextElement;
pDgrmPrivate->Base = pPostList; // link for completion processing
ASSERT_VALID_WORKREQID((uintn)pDgrmPrivate);
workRequest.WorkReqId = BUILD_SQ_WORKREQID((uintn)pDgrmPrivate);
workRequest.Operation = WROpSend;
workRequest.DSList = pDgrmPrivate->DsList;
// zero out the options
workRequest.Req.SendUD.Options.AsUINT16 = 0;
workRequest.Req.SendUD.Options.s.SignaledCompletion = TRUE;
#if INCLUDE_16B
workRequest.Req.SendUD.Options.s.SendFMH = 0;
#endif
// Fill in user settings
workRequest.Req.SendUD.QPNumber = pDgrmPrivate->DgrmElement.RemoteQP;
// TBD check uses, may be safe to enable this line now
//workRequest.Req.SendUD.Qkey = pDgrmPrivate->DgrmElement.RemoteQKey;
workRequest.Req.SendUD.Qkey = QP1_WELL_KNOWN_Q_KEY;
workRequest.Req.SendUD.PkeyIndex= pDgrmPrivate->DgrmElement.PkeyIndex;
#if defined(DBG) || defined(IB_DEBUG)
if (ServiceClass && !workRequest.Req.SendUD.QPNumber)
{
AtomicIncrement( &ServiceClass->ErrorMsgs );
if (!(AtomicRead(&ServiceClass->ErrorMsgs) % 20))
{
_DBG_ERROR((
"Invalid QPNumber/Q_Key(substitution provided):\n"
"\tClass..........:x%x\n"
"\tSARClient......:%s\n"
"\tQPNumber.......:x%x\n"
"\tQ_Key..........:x%x\n",
ServiceClass->MgmtClass,
_DBG_PTR(ServiceClass->bSARRequired ? "TRUE":"FALSE"),
workRequest.Req.SendUD.QPNumber,
workRequest.Req.SendUD.Qkey
));
_DBG_ERROR((
"\tResponder......:%s\n"
"\tTrapProcessor..:%s\n"
"\tReportProcessor:%s\n",
_DBG_PTR(GSI_IS_RESPONDER(ServiceClass->RegistrationFlags)
? "TRUE":"FALSE"),
_DBG_PTR(GSI_IS_TRAP_PROCESSOR(ServiceClass->RegistrationFlags)
? "TRUE":"FALSE"),
_DBG_PTR(GSI_IS_REPORT_PROCESSOR(ServiceClass->RegistrationFlags)
? "TRUE":"FALSE")
));
}
workRequest.Req.SendUD.Qkey = QP1_WELL_KNOWN_Q_KEY;
workRequest.Req.SendUD.QPNumber = 1;
}
ASSERT(workRequest.Req.SendUD.QPNumber);
if (workRequest.Req.SendUD.QPNumber != 1)
{
_DBG_WARN((
"Send to RedirectedQP\n"
"\tQPNumber.....:x%x\n",
workRequest.Req.SendUD.QPNumber
));
}
#endif
// Fill in Address Vector Info
avInfo.PortGUID = pDgrmPrivate->DgrmElement.PortGuid;
avInfo.DestLID = pDgrmPrivate->DgrmElement.RemoteLID;
avInfo.PathBits = pDgrmPrivate->DgrmElement.PathBits;
avInfo.ServiceLevel = pDgrmPrivate->DgrmElement.ServiceLevel;
avInfo.StaticRate = pDgrmPrivate->DgrmElement.StaticRate;
avInfo.GlobalRoute = pDgrmPrivate->DgrmElement.GlobalRoute;
if ( TRUE == avInfo.GlobalRoute )
{
/* structure copy */
avInfo.GlobalRouteInfo = pDgrmPrivate->DgrmElement.GRHInfo;
}
status = GetCaContextFromAvInfo(
&avInfo,
pDgrmPrivate->MemPoolHandle->MemList->CaMemIndex,
&workRequest.Req.SendUD.AVHandle,
&qp1Handle,
&cqHandle,
&qpLock,
&memLKey );
if ( FSUCCESS == status )
{
pDgrmPrivate->AvHandle = workRequest.Req.SendUD.AVHandle;
// fill in scatter/gather Ds list details
if (! ServiceClass)
{
// Rmpp replies and GSI internal replies
IB_LOCAL_DATASEGMENT *pDsList = workRequest.DSList;
ASSERT( pDgrmPrivate->MemPoolHandle->ReceivePool);
pMad = GsiDgrmGetRecvMad(&pDgrmPrivate->DgrmElement);
workRequest.DSListDepth = 1;
pDsList[0].Address = (uintn)pMad;
pDsList[0].Lkey = memLKey;
pDsList[0].Length =
GsiDgrmGetRecvMadByteCount(&pDgrmPrivate->DgrmElement);
workRequest.MessageLen =
GsiDgrmGetRecvMadByteCount(&pDgrmPrivate->DgrmElement);
}
else if ( TRUE != ServiceClass->bSARRequired )
{
// Direct sends from other callers
IBT_BUFFER *pBuffer;
IB_LOCAL_DATASEGMENT *pDsList = workRequest.DSList;
pBuffer = pDgrmPrivate->DgrmElement.Element.pBufferList;
workRequest.DSListDepth = \
pDgrmPrivate->MemPoolHandle->BuffersPerElement;
workRequest.MessageLen = 0;
for (i=0; i<workRequest.DSListDepth; i++ )
{
pDsList[i].Address = (uintn)pBuffer->pData;
pDsList[i].Lkey = memLKey;
pDsList[i].Length = pBuffer->ByteCount;
workRequest.MessageLen += pBuffer->ByteCount;
pBuffer = pBuffer->pNextBuffer;
}
// Validate that buffers per element are sizeof MAD for non
// SAR clients
if ( workRequest.MessageLen > sizeof(MAD) )
{
_DBG_ERROR((
"Bad Non SAR Client posted buffer > sizeof(MAD)!\n"));
_DBG_BREAK;
}
pMad = GsiDgrmGetSendMad(&pDgrmPrivate->DgrmElement);
} else {
// invoked for single packet GSI SAR send
// SAR will Always be 3: MAD_COMMON, SAR_HDR, DATA
IBT_BUFFER *pBuffer;
pBuffer = pDgrmPrivate->DgrmElement.Element.pBufferList;
workRequest.DSListDepth = 3;
// Fill in MAD Common info
workRequest.DSList[0].Address = (uintn)pBuffer->pData;
workRequest.DSList[0].Lkey = memLKey;
workRequest.DSList[0].Length = sizeof(MAD_COMMON);
// Fill in SAR Header info
workRequest.DSList[1].Address = \
(uintn)(pBuffer->pData) + sizeof(MAD_COMMON);
workRequest.DSList[1].Lkey = memLKey;
workRequest.DSList[1].Length = sizeof(RMPP_HEADER);
// Fill in Data info
workRequest.DSList[2].Address = \
(uintn)(pBuffer->pData) + \
sizeof(MAD_COMMON) +
sizeof(RMPP_HEADER);
workRequest.DSList[2].Lkey = memLKey;
workRequest.DSList[2].Length = pBuffer->ByteCount -
(sizeof(MAD_COMMON) + sizeof(RMPP_HEADER));
workRequest.MessageLen = pBuffer->ByteCount;
pMad = GsiDgrmGetSendMad(&pDgrmPrivate->DgrmElement);
}
// Set Transaction ID
// If this is a request, save the user's transaction id
// and use our own. We will restore the user's transaction id
// when the request completes. If this is not a request,
// we let the client control the transaction id which may have
// been remotely generated.
if( ServiceClass && MAD_IS_REQUEST(pMad))
{
// We need to save the TID in case we receive the
// response before being notified that the send completed.
pDgrmPrivate->SavedSendTid = pMad->common.TransactionID;
pMad->common.TransactionID = (uint64)\
(pMad->common.TransactionID & 0xffffffffffffff00ll);
pMad->common.TransactionID = \
pMad->common.TransactionID | ServiceClass->ClientId;
}
// Make headers Network Byte order
BSWAP_MAD_HEADER(pMad);
if( (ServiceClass && ServiceClass->bSARRequired) )
{
BSWAP_RMPP_HEADER (
(RMPP_HEADER *)((uintn)workRequest.DSList[1].Address) );
} else if( pPostList->SARRequest) {
// only applies to Rmpp Reply and Gsi reply
ASSERT(workRequest.DSListDepth == 1);
BSWAP_RMPP_HEADER (
(RMPP_HEADER *)&(((MAD_RMPP*)pMad)->RmppHdr));
}
#if defined(DBG) || defined(IB_DEBUG)
if (__DBG_LEVEL__ & _DBG_LVL_PKTDUMP)
{
uint32 Length = workRequest.MessageLen;
IB_LOCAL_DATASEGMENT *Current = &workRequest.DSList[0];
for (i = 0; i < workRequest.DSListDepth; i++,Current++)
{
_DBG_DUMP_MEMORY(_DBG_LVL_PKTDUMP, ("Send Packet"), (void *)(uintn)Current->Address,
MIN(Current->Length,Length));
Length -= MIN(Current->Length,Length);;
}
}
#endif
// Submit to verbs
pDgrmPrivate->DgrmElement.OnSendQ = TRUE;
SpinLockAcquire( qpLock );
status = iba_post_send( qp1Handle, &workRequest );
SpinLockRelease( qpLock );
if ( FSUCCESS != status )
{
pDgrmPrivate->DgrmElement.OnSendQ = FALSE;
// restore headers to host Byte order
BSWAP_MAD_HEADER(pMad);
if( (ServiceClass && ServiceClass->bSARRequired) )
{
BSWAP_RMPP_HEADER (
(RMPP_HEADER *)((uintn)workRequest.DSList[1].Address) );
} else if( pPostList->SARRequest) {
// only applies to Rmpp Reply and Gsi reply
ASSERT(workRequest.DSListDepth == 1);
BSWAP_RMPP_HEADER (
(RMPP_HEADER *)&(((MAD_RMPP*)pMad)->RmppHdr));
}
// release AV
(void)PutAV(NULL,pDgrmPrivate->AvHandle);
pDgrmPrivate->DgrmElement.Element.Status = status;
AtomicIncrementVoid( &pPostList->DgrmOut );
dgrmFailed++;
}
} else {
pDgrmPrivate->DgrmElement.Element.Status = status;
AtomicIncrementVoid( &pPostList->DgrmOut );
dgrmFailed++;
}
pDgrmPrivate = pDgrmPrivateNext;
}
// If all requests failed, fail the call and pass it back to user.
// There is no way of passing all failed entries through the callback
if ( pPostList->DgrmIn && dgrmFailed == pPostList->DgrmIn )
{
status = FINVALID_STATE;
}
_DBG_LEAVE_LVL(_DBG_LVL_SEND);
return status;
}
// uses pDgrm as a template for building an GET_RESP reply
// reporting a Invalid Class Version status
// MAD header and AV information is taken from pDgrm
// pDgrm is unaffected, assumes pDgrm is in Host byte order for
// MAD header and network byte order for rest of packet
void GsiSendInvalid(
IN IBT_DGRM_ELEMENT *pDgrm
)
{
FSTATUS status = FSUCCESS;
uint32 i;
IBT_DGRM_ELEMENT *pDgrmList;
GSA_POST_SEND_LIST *pPostList;
MAD *pMad;
_DBG_ENTER_LVL(_DBG_LVL_SEND, GsiSendInvalid);
i = 1;
status = DgrmPoolGet( g_GsaGlobalInfo->DgrmPoolRecvQ, &i, &pDgrmList );
if (FSUCCESS != status || i != 1)
{
_DBG_ERROR(("GsiSendInvalid: No more elements in Pool!!!\n"));
goto done;
}
ASSERT(NULL != pDgrmList);
// we are using a Recv Pool Dgrm
pMad = GsiDgrmGetRecvMad(pDgrmList);
// Copy MAD Headers from template
MemoryCopy( pMad, GsiDgrmGetRecvMad(pDgrm), sizeof(MAD) );
pMad->common.mr.AsReg8 = MMTHD_GET_RESP;
pMad->common.u.NS.Status.AsReg16 = MAD_STATUS_UNSUPPORTED_CLASS_VER;
pMad->common.u.NS.Reserved1 = 0;
_DBG_INFO(("Invalid MAD: class %u\n", pMad->common.MgmtClass));
// GsiDoSendDgrm will BSWAP_MAD_HEADER
// Set remote info
GsiDgrmAddrCopy(pDgrmList, pDgrm);
// generate a PostSendList from the first datagram in post
pPostList = &(((IBT_DGRM_ELEMENT_PRIV *)pDgrmList)->PostSendList);
// Fill in list details
pPostList->DgrmIn = 1;
AtomicWrite(&pPostList->DgrmOut, 0);
pPostList->DgrmList = pDgrmList;
pPostList->SARRequest = FALSE;
status = GsiDoSendDgrm( NULL, pPostList);
if (status != FSUCCESS)
{
// release AV
DgrmPoolPut( pDgrmList );
}
done:
_DBG_LEAVE_LVL(_DBG_LVL_SEND);
}