コード例 #1
0
static void
__osmv_dispatch_simple_mad(IN osm_bind_handle_t h_bind,
			   IN const ib_mad_t * p_mad,
			   IN osmv_txn_ctx_t * p_txn,
			   IN const osm_mad_addr_t * p_mad_addr)
{
	osm_madw_t *p_madw;
	ib_mad_t *p_mad_buf;
	osm_madw_t *p_req_madw = NULL;
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);

	/* Build the MAD wrapper to be returned to the user.
	 * The actual storage for the MAD is allocated there.
	 */
	p_madw =
	    osm_mad_pool_get(p_bo->p_osm_pool, h_bind, MAD_BLOCK_SIZE,
			     p_mad_addr);

	if (NULL == p_madw) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
			"__osmv_dispatch_simple_mad: ERR 6501: "
			"Out Of Memory - could not allocate a buffer of size %d\n",
			MAD_BLOCK_SIZE);

		goto dispatch_simple_mad_done;
	}

	p_mad_buf = osm_madw_get_mad_ptr(p_madw);
	/* Copy the payload to the MAD buffer */
	memcpy((void *)p_mad_buf, (void *)p_mad, MAD_BLOCK_SIZE);

	if (NULL != p_txn) {
		/* This is a RESPONSE MAD. Pair it with the REQUEST MAD, pass upstream */
		p_req_madw = p_txn->p_madw;
		CL_ASSERT(NULL != p_req_madw);

		p_mad_buf->trans_id = cl_hton64(osmv_txn_get_tid(p_txn));
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"Restoring the original TID to 0x%" PRIx64 "\n",
			cl_ntoh64(p_mad_buf->trans_id));

		/* Reply matched, transaction complete */
		osmv_txn_done(h_bind, osmv_txn_get_key(p_txn), FALSE);
	} else {
		/* This is a REQUEST  MAD. Don't create a context, pass upstream */
	}

	/* Do the job ! */
	p_bo->recv_cb(p_madw, p_bo->cb_context, p_req_madw);

dispatch_simple_mad_done:
	OSM_LOG_EXIT(p_bo->p_vendor->p_log);
}
コード例 #2
0
void __osmv_txn_all_done(osm_bind_handle_t h_bind)
{
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
	cl_map_item_t *p_item;
	cl_map_obj_t *p_obj;
	osmv_txn_ctx_t *p_txn;

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);

	p_item = cl_qmap_head(p_bo->txn_mgr.p_txn_map);
	while (p_item != cl_qmap_end(p_bo->txn_mgr.p_txn_map)) {

		p_obj = PARENT_STRUCT(p_item, cl_map_obj_t, item);
		p_txn = (osmv_txn_ctx_t *) cl_qmap_obj(p_obj);
		osmv_txn_done(h_bind, osmv_txn_get_key(p_txn), FALSE);
		free(p_obj);
		/* assuming osmv_txn_done has removed the txn from the map */
		p_item = cl_qmap_head(p_bo->txn_mgr.p_txn_map);
	}

	OSM_LOG_EXIT(p_bo->p_vendor->p_log);
}
コード例 #3
0
static uint64_t
__osmv_txn_timeout_cb(IN uint64_t key,
		      IN uint32_t num_regs, IN void *cb_context)
{
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) cb_context;
	uint64_t ret = 0;
	osmv_txn_ctx_t *p_txn;
	osmv_rmpp_send_ctx_t *p_send_ctx;
	osm_madw_t *p_madw = NULL;
	ib_mad_t *p_mad;
	osm_mad_addr_t *p_mad_addr;
	boolean_t invoke_err_cb = FALSE;

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);

	/* Don't try to acquire a lock on the Bind Object -
	 * it's taken by the mechanism that drives the timeout based events!
	 * (Recall the special constructor that the Event Wheel is applied with)
	 */
	if (p_bo->is_closing) {
		goto txn_done;
	}

	ret = osmv_txn_lookup(p_bo, key, &p_txn);
	if (IB_NOT_FOUND == ret) {
		/* Prevent a race - the transaction is already destroyed */
		goto txn_done;
	}

	p_madw = p_txn->p_madw;

	switch (osmv_txn_get_rmpp_state(p_txn)) {

	case OSMV_TXN_RMPP_NONE:
		if (num_regs <= OSMV_MAX_RETRANSMIT) {
			/* We still did not exceed the limit of retransmissions.
			 * Set the next timeout's value.
			 */
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
				"__osmv_txn_timeout_cb: "
				"The transaction request (tid=0x%llX) timed out %d times. "
				"Retrying the send.\n",
				osmv_txn_get_tid(p_txn), num_regs);

			/* resend this mad */
			ret = osmv_simple_send_madw((osm_bind_handle_t *) p_bo,
						    p_madw, p_txn, TRUE);
			if (ret != IB_SUCCESS) {
				osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
					"__osmv_txn_timeout_cb: "
					"Fail to send retry for transaction request (tid=0x%llX).\n",
					osmv_txn_get_tid(p_txn));

				osmv_txn_done((osm_bind_handle_t) p_bo, key,
					      TRUE /*in timeout callback */ );

				/* This is a requester. Always apply the callback */
				invoke_err_cb = TRUE;
			} else {
				uint64_t next_timeout_ms;
				next_timeout_ms =
				    p_bo->p_vendor->resp_timeout * (num_regs +
								    1) *
				    (num_regs + 1);
				/* when do we need to timeout again */
				ret =
				    cl_get_time_stamp() +
				    (uint64_t) (1000 * next_timeout_ms);

				osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
					"__osmv_txn_timeout_cb: "
					"Retry request timout in : %lu [msec].\n",
					next_timeout_ms);
			}
		} else {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
				"__osmv_txn_timeout_cb: ERR 6702: "
				"The transaction request (tid=0x%llX) timed out (after %d retries). "
				"Invoking the error callback.\n",
				osmv_txn_get_tid(p_txn), num_regs);

			osmv_txn_done((osm_bind_handle_t) p_bo, key,
				      TRUE /*in timeout callback */ );

			/* This is a requester. Always apply the callback */
			invoke_err_cb = TRUE;
		}
		break;

	case OSMV_TXN_RMPP_SENDER:
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"RMPP sender (tid=0x%llX) did not receive ACK "
			"on every segment in the current send window.\n",
			osmv_txn_get_tid(p_txn));

		p_send_ctx = osmv_txn_get_rmpp_send_ctx(p_txn);
		if (num_regs <= OSMV_MAX_RETRANSMIT) {
			/* We still did not exceed the limit of retransmissions.
			 * Set the next timeout's value.
			 */
			ret =
			    cl_get_time_stamp() +
			    1000 * p_bo->p_vendor->resp_timeout;
		} else {
			p_send_ctx->status = IB_TIMEOUT;

			p_mad = osm_madw_get_mad_ptr(p_madw);
			p_mad_addr = osm_madw_get_mad_addr_ptr(p_madw);

			/* Send an ABORT to the other side */
			osmv_rmpp_send_nak((osm_bind_handle_t) p_bo, p_mad,
					   p_mad_addr, IB_RMPP_TYPE_ABORT,
					   IB_RMPP_STATUS_T2L);
		}

		/* Wake the RMPP sender thread up */
		cl_event_signal(&p_send_ctx->event);
		break;

	case OSMV_TXN_RMPP_RECEIVER:
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"Transaction timeout on an RMPP receiver (tid=0x%llX). "
			"Dropping the transaction.\n", osmv_txn_get_tid(p_txn));

		osmv_txn_done((osm_bind_handle_t) p_bo, key,
			      TRUE /*in timeout callback */ );

		if (FALSE == osmv_txn_is_rmpp_init_by_peer(p_txn)) {
			/* This is a requester, still waiting for the reply. Apply the callback */
			invoke_err_cb = TRUE;
		}

		break;

	default:
		CL_ASSERT(FALSE);
	}

	if (TRUE == invoke_err_cb) {
		CL_ASSERT(NULL != p_madw);
		/* update the status in the p_madw */
		p_madw->status = IB_TIMEOUT;
		p_bo->send_err_cb(p_bo->cb_context, p_madw);
		/* no re-registration */
		ret = 0;
	}

txn_done:
	OSM_LOG_EXIT(p_bo->p_vendor->p_log);
	return ret;
}
コード例 #4
0
static ib_api_status_t
__osmv_get_send_txn(IN osm_bind_handle_t h_bind,
		    IN osm_madw_t * const p_madw,
		    IN boolean_t is_rmpp,
		    IN boolean_t resp_expected, OUT osmv_txn_ctx_t ** pp_txn)
{
	ib_api_status_t ret;
	uint64_t tid, key;
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
	ib_mad_t *p_mad = osm_madw_get_mad_ptr(p_madw);

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);
	CL_ASSERT(NULL != pp_txn);

	key = tid = cl_ntoh64(p_mad->trans_id);
	if (TRUE == resp_expected) {
		/* Create a unique identifier at the requester side */
		key = osmv_txn_uniq_key(tid);
	}

	/* We must run under a transaction framework */
	ret = osmv_txn_lookup(h_bind, key, pp_txn);
	if (IB_NOT_FOUND == ret) {
		/* Generally, we start a new transaction */
		ret = osmv_txn_init(h_bind, tid, key, pp_txn);
		if (IB_SUCCESS != ret) {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
				"__osmv_get_send_txn: ERR 7313: "
				"The transaction id=0x%" PRIx64 " failed to init.\n",
				tid);
			goto get_send_txn_done;
		}
	} else {
		CL_ASSERT(NULL != *pp_txn);
		/* The transaction context exists.
		 * This is legal only if I am going to return an
		 * (RMPP?) reply to an RMPP request sent by the other part
		 * (double-sided RMPP transfer)
		 */
		if (FALSE == is_rmpp
		    || FALSE == osmv_txn_is_rmpp_init_by_peer(*pp_txn)) {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
				"__osmv_get_send_txn: ERR 7314: "
				"The transaction id=0x%" PRIx64 " is not unique. Send failed.\n",
				tid);

			ret = IB_INVALID_SETTING;
			goto get_send_txn_done;
		}

		if (TRUE == resp_expected) {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
				"__osmv_get_send_txn: ERR 7315: "
				"The transaction id=0x%" PRIx64 " can't expect a response. Send failed.\n",
				tid);

			ret = IB_INVALID_PARAMETER;
			goto get_send_txn_done;
		}
	}

	if (TRUE == is_rmpp) {
		ret = osmv_txn_init_rmpp_sender(h_bind, *pp_txn, p_madw);
		if (IB_SUCCESS != ret) {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
				"__osmv_get_send_txn: ERR 7316: "
				"The transaction id=0x%" PRIx64 " failed to init the rmpp mad. Send failed.\n",
				tid);
			osmv_txn_done(h_bind, tid, FALSE);
			goto get_send_txn_done;
		}
	}

	/* Save a reference to the MAD in the txn context
	 * We'll need to match it in two cases:
	 *  (1) When the response is returned, if I am the requester
	 *  (2) In RMPP retransmissions
	 */
	osmv_txn_set_madw(*pp_txn, p_madw);

get_send_txn_done:
	OSM_LOG_EXIT(p_bo->p_vendor->p_log);

	return ret;
}
コード例 #5
0
ib_api_status_t
osm_vendor_send(IN osm_bind_handle_t h_bind,
		IN osm_madw_t * const p_madw, IN boolean_t const resp_expected)
{
	ib_api_status_t ret = IB_SUCCESS;
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
	boolean_t is_rmpp = FALSE, is_rmpp_ds = FALSE;
	osmv_txn_ctx_t *p_txn = NULL;
	ib_mad_t *p_mad;
	osm_log_t *p_log = p_bo->p_vendor->p_log;
	osm_mad_pool_t *p_mad_pool = p_bo->p_osm_pool;
	OSM_LOG_ENTER(p_log);

	if (NULL == h_bind || NULL == p_madw ||
	    NULL == (p_mad = osm_madw_get_mad_ptr(p_madw)) ||
	    NULL == osm_madw_get_mad_addr_ptr(p_madw)) {

		return IB_INVALID_PARAMETER;
	}

	is_rmpp = (p_madw->mad_size > MAD_BLOCK_SIZE
		   || osmv_mad_is_rmpp(p_mad));
	/* is this rmpp double sided? This means we expect a response that can be
	   an rmpp or not */
	is_rmpp_ds = (TRUE == is_rmpp && TRUE == resp_expected);

	/* Make our operations with the send context atomic */
	osmv_txn_lock(p_bo);

	if (TRUE == p_bo->is_closing) {

		osm_log(p_log, OSM_LOG_ERROR,
			"osm_vendor_send: ERR 7310: "
			"The handle %p is being unbound, cannot send.\n",
			h_bind);
		ret = IB_INTERRUPTED;
		/* When closing p_bo could be detroyed or is going to , thus could not refer to it */
		goto send_done;
	}

	if (TRUE == resp_expected || TRUE == is_rmpp) {

		/* We must run under a transaction framework.
		 * Get the transaction object (old or new) */
		ret = __osmv_get_send_txn(h_bind, p_madw, is_rmpp,
					  resp_expected, &p_txn);
		if (IB_SUCCESS != ret) {
			goto send_done;
		}
	}

	if (TRUE == is_rmpp) {
		/* Do the job - RMPP!
		 * The call returns as all the packets are ACK'ed/upon error
		 * The txn lock will be released each time the function sleeps
		 * and re-acquired when it wakes up
		 */
		ret = osmv_rmpp_send_madw(h_bind, p_madw, p_txn, is_rmpp_ds);
	} else {

		/* Do the job - single MAD!
		 * The call returns as soon as the MAD is put on the wire
		 */
		ret = osmv_simple_send_madw(h_bind, p_madw, p_txn, FALSE);
	}

	if (IB_SUCCESS == ret) {

		if ((TRUE == is_rmpp) && (FALSE == is_rmpp_ds)) {
			/* For double-sided sends, the txn continues to live */
			osmv_txn_done(h_bind, osmv_txn_get_key(p_txn),
				      FALSE /*not in callback */ );
		}

		if (FALSE == resp_expected) {
			osm_mad_pool_put(p_mad_pool, p_madw);
		}
	} else if (IB_INTERRUPTED != ret) {
		if (NULL != p_txn) {
			osmv_txn_done(h_bind, osmv_txn_get_key(p_txn),
				      FALSE /*not in callback */ );
		}

		osm_log(p_log, OSM_LOG_ERROR,
			"osm_vendor_send: ERR 7311: failed to send MADW %p\n",
			p_madw);

		if (TRUE == resp_expected) {
			/* Change the status on the p_madw */
			p_madw->status = ret;
			/* Only the requester expects the error callback */
			p_bo->send_err_cb(p_bo->cb_context, p_madw);
		} else {
			/* put back the mad - it is useless ... */
			osm_mad_pool_put(p_mad_pool, p_madw);
		}
	} else {		/* the transaction was aborted due to p_bo exit */

		osm_mad_pool_put(p_mad_pool, p_madw);
		goto aborted;
	}
send_done:

	osmv_txn_unlock(p_bo);
aborted:
	OSM_LOG_EXIT(p_log);
	return ret;
}
コード例 #6
0
static ib_api_status_t
__osmv_dispatch_rmpp_rcv(IN osm_bind_handle_t h_bind,
			 IN const ib_mad_t * p_mad,
			 IN osmv_txn_ctx_t * p_txn,
			 IN const osm_mad_addr_t * p_mad_addr)
{
	ib_api_status_t status = IB_SUCCESS;
	osmv_rmpp_recv_ctx_t *p_recv_ctx = osmv_txn_get_rmpp_recv_ctx(p_txn);
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
	boolean_t is_last1 = FALSE, is_last2 = FALSE;
	osm_madw_t *p_new_madw = NULL, *p_req_madw = NULL;
	ib_mad_t *p_mad_buf;
	uint32_t size = 0;
	uint64_t key = osmv_txn_get_key(p_txn);
	uint64_t tid = osmv_txn_get_tid(p_txn);

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);

	if (TRUE == osmv_rmpp_is_ack(p_mad)) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"Not supposed to receive ACK's --> dropping the MAD\n");

		goto dispatch_rmpp_rcv_done;
	}

	if (TRUE == osmv_rmpp_is_abort_stop(p_mad)) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"__osmv_dispatch_rmpp_rcv: ERR 6504: "
			"The Remote Side stopped sending\n");

		status = IB_REMOTE_ERROR;
		goto dispatch_rmpp_rcv_done;
	}

	status = __osmv_dispatch_accept_seg(h_bind, p_txn, p_mad);
	switch (status) {

	case IB_SUCCESS:

		/* Check wheter this is the legal last MAD */
		/* Criteria #1: the received MAD is marked last */
		is_last1 = osmv_rmpp_is_last(p_mad);

		/* Criteria #2: the total accumulated length hits the advertised one */
		is_last2 = is_last1;

		size = osmv_rmpp_recv_ctx_get_byte_num_from_first(p_recv_ctx);
		if (size > 0) {
			is_last2 =
			    (osmv_rmpp_recv_ctx_get_cur_byte_num(p_recv_ctx) >=
			     size);
		}

		if (is_last1 != is_last2) {

			osmv_rmpp_send_nak(h_bind, p_mad, p_mad_addr,
					   IB_RMPP_TYPE_ABORT,
					   IB_RMPP_STATUS_BAD_LEN);

			status = IB_ERROR;
			goto dispatch_rmpp_rcv_done;
		}

		/* TBD Consider an optimization - sending an ACK
		 * only for the last segment in the window
		 */
		__osmv_dispatch_send_ack(h_bind, p_mad, p_txn, p_mad_addr);
		break;

	case IB_INSUFFICIENT_RESOURCES:
		/* An out-of-order segment received. Send the ACK anyway */
		__osmv_dispatch_send_ack(h_bind, p_mad, p_txn, p_mad_addr);
		status = IB_SUCCESS;
		goto dispatch_rmpp_rcv_done;

	case IB_INSUFFICIENT_MEMORY:
		osmv_rmpp_send_nak(h_bind, p_mad, p_mad_addr,
				   IB_RMPP_TYPE_STOP, IB_RMPP_STATUS_RESX);
		goto dispatch_rmpp_rcv_done;

	default:
		/* Illegal return code */
		CL_ASSERT(FALSE);
	}

	if (TRUE != is_last1) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"RMPP MADW assembly continues, TID=0x%" PRIx64 "\n", tid);
		goto dispatch_rmpp_rcv_done;
	}

	/* This is the last packet. */
	if (0 == size) {
		/* The total size was not advertised in the first packet */
		size = osmv_rmpp_recv_ctx_get_byte_num_from_last(p_recv_ctx);
	}

	/*
	   NOTE: the received mad might not be >= 256 bytes.
	   some MADs might contain several SA records but still be
	   less then a full MAD.
	   We have to use RMPP to send them over since on a regular
	   "simple" MAD there is no way to know how many records were sent
	 */

	/* Build the MAD wrapper to be returned to the user.
	 * The actual storage for the MAD is allocated there.
	 */
	p_new_madw =
	    osm_mad_pool_get(p_bo->p_osm_pool, h_bind, size, p_mad_addr);
	if (NULL == p_new_madw) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
			"__osmv_dispatch_rmpp_rcv: ERR 6506: "
			"Out Of Memory - could not allocate %d bytes for the MADW\n",
			size);

		status = IB_INSUFFICIENT_MEMORY;
		goto dispatch_rmpp_rcv_done;
	}

	p_req_madw = osmv_txn_get_madw(p_txn);
	p_mad_buf = osm_madw_get_mad_ptr(p_new_madw);
	status = osmv_rmpp_recv_ctx_reassemble_arbt_mad(p_recv_ctx, size,
							(uint8_t *) p_mad_buf);
	if (IB_SUCCESS != status) {
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
			"__osmv_dispatch_rmpp_rcv: ERR 6507: "
			"Internal error - could not reassemble the result MAD\n");
		goto dispatch_rmpp_rcv_done;	/* What can happen here? */
	}

	/* The MAD is assembled, we are about to apply the callback.
	 * Delete the transaction context, unless the transaction is double sided */
	if (FALSE == osmv_txn_is_rmpp_init_by_peer(p_txn)
	    || FALSE == osmv_mad_is_multi_resp(p_mad)) {

		osmv_txn_done(h_bind, key, FALSE);
	}

	osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
		"RMPP MADW %p assembly complete, TID=0x%" PRIx64 "\n", p_new_madw,
		tid);

	p_mad_buf->trans_id = cl_hton64(tid);
	osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
		"Restoring the original TID to 0x%" PRIx64 "\n",
		cl_ntoh64(p_mad_buf->trans_id));

	/* Finally, do the job! */
	p_bo->recv_cb(p_new_madw, p_bo->cb_context, p_req_madw);

dispatch_rmpp_rcv_done:
	OSM_LOG_EXIT(p_bo->p_vendor->p_log);
	return status;
}
コード例 #7
0
static void
__osmv_dispatch_rmpp_mad(IN osm_bind_handle_t h_bind,
			 IN const ib_mad_t * p_mad,
			 IN osmv_txn_ctx_t * p_txn,
			 IN const osm_mad_addr_t * p_mad_addr)
{
	ib_api_status_t status = IB_SUCCESS;
	uint64_t key = cl_ntoh64(p_mad->trans_id);
	boolean_t is_init_by_peer = FALSE;
	osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
	osm_madw_t *p_madw;

	OSM_LOG_ENTER(p_bo->p_vendor->p_log);

	if (NULL == p_txn) {
		if (FALSE == osmv_rmpp_is_data(p_mad)
		    || FALSE == osmv_rmpp_is_first(p_mad)) {
			osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
				"The MAD does not match any transaction "
				"and does not start a sender-initiated RMPP transfer.\n");
			goto dispatch_rmpp_mad_done;
		}

		/* IB Spec 13.6.2.2. This is a Sender Initiated Transfer.
		   My peer is the requester and RMPP Sender. I am the RMPP Receiver.
		 */
		status = osmv_txn_init(h_bind, /*tid==key */ key, key, &p_txn);
		if (IB_SUCCESS != status) {
			goto dispatch_rmpp_mad_done;
		}

		is_init_by_peer = TRUE;
		osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
			"A new sender-initiated transfer (TID=0x%" PRIx64 ") started\n",
			key);
	}

	if (OSMV_TXN_RMPP_NONE == osmv_txn_get_rmpp_state(p_txn)) {
		/* Case 1: Fall through from above.
		 * Case 2: When the transaction was initiated by me
		 *         (a single request MAD), there was an uncertainty
		 *         whether the reply will be RMPP. Now it's resolved,
		 *         since the reply is RMPP!
		 */
		status =
		    osmv_txn_init_rmpp_receiver(h_bind, p_txn, is_init_by_peer);
		if (IB_SUCCESS != status) {
			goto dispatch_rmpp_mad_done;
		}
	}

	switch (osmv_txn_get_rmpp_state(p_txn)) {

	case OSMV_TXN_RMPP_RECEIVER:
		status =
		    __osmv_dispatch_rmpp_rcv(h_bind, p_mad, p_txn, p_mad_addr);
		if (IB_SUCCESS != status) {
			if (FALSE == osmv_txn_is_rmpp_init_by_peer(p_txn)) {
				/* This is a requester, still waiting for the reply. Apply the callback */
				/* update the status of the p_madw */
				p_madw = osmv_txn_get_madw(p_txn);
				p_madw->status = status;
				p_bo->send_err_cb(p_bo->cb_context, p_madw);
			}

			/* ABORT/STOP/LOCAL ERROR */
			osmv_txn_done(h_bind, osmv_txn_get_key(p_txn), FALSE);
		}
		break;

	case OSMV_TXN_RMPP_SENDER:
		__osmv_dispatch_rmpp_snd(h_bind, p_mad, p_txn, p_mad_addr);
		/* If an error happens here, it's the sender thread to cleanup the txn */
		break;

	default:
		CL_ASSERT(FALSE);
	}

dispatch_rmpp_mad_done:
	OSM_LOG_EXIT(p_bo->p_vendor->p_log);
}