Example #1
0
/*********************************************************************
Received a Set(InformInfo) MAD
**********************************************************************/
static void
osm_infr_rcv_process_set_method(IN osm_sa_t * sa,
				IN osm_madw_t * const p_madw)
{
	ib_sa_mad_t *p_sa_mad;
	ib_inform_info_t *p_recvd_inform_info;
	osm_infr_t inform_info_rec;	/* actual inform record to be stored for reports */
	osm_infr_t *p_infr;
	ib_net32_t qpn;
	uint8_t resp_time_val;
	ib_api_status_t res;

	OSM_LOG_ENTER(sa->p_log);

	CL_ASSERT(p_madw);

	p_sa_mad = osm_madw_get_sa_mad_ptr(p_madw);
	p_recvd_inform_info =
	    (ib_inform_info_t *) ib_sa_mad_get_payload_ptr(p_sa_mad);

#if 0
	if (osm_log_is_active(sa->p_log, OSM_LOG_DEBUG))
		osm_dump_inform_info(sa->p_log, p_recvd_inform_info,
				     OSM_LOG_DEBUG);
#endif

	/* Grab the lock */
	cl_plock_excl_acquire(sa->p_lock);

	/* define the inform record */
	inform_info_rec.inform_record.inform_info = *p_recvd_inform_info;

	/* following C13-32.1.2 Tbl 120: we only copy the source address vector */
	inform_info_rec.report_addr = p_madw->mad_addr;

	/* we will need to know the mad srvc to send back through */
	inform_info_rec.h_bind = p_madw->h_bind;
	inform_info_rec.sa = sa;

	/* update the subscriber GID according to mad address */
	res = osm_get_gid_by_mad_addr(sa->p_log, sa->p_subn, &p_madw->mad_addr,
				      &inform_info_rec.inform_record.
				      subscriber_gid);
	if (res != IB_SUCCESS) {
		cl_plock_release(sa->p_lock);

		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4308 "
			"Subscribe Request from unknown LID: %u\n",
			cl_ntoh16(p_madw->mad_addr.dest_lid));
		osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
		goto Exit;
	}

	/* HACK: enum is always 0 (currently) */
	inform_info_rec.inform_record.subscriber_enum = 0;

	/* Subscribe values above 1 are undefined */
	if (p_recvd_inform_info->subscribe > 1) {
		cl_plock_release(sa->p_lock);

		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4308 "
			"Invalid subscribe: %d\n",
			p_recvd_inform_info->subscribe);
		osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
		goto Exit;
	}

	/*
	 * MODIFICATIONS DONE ON INCOMING REQUEST:
	 *
	 * QPN:
	 * Internally we keep the QPN field of the InformInfo updated
	 * so we can simply compare it in the record - when finding such.
	 */
	if (p_recvd_inform_info->subscribe) {
		ib_inform_info_set_qpn(&inform_info_rec.inform_record.
				       inform_info,
				       inform_info_rec.report_addr.addr_type.
				       gsi.remote_qp);

		OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
			"Subscribe Request with QPN: 0x%06X\n",
			cl_ntoh32(inform_info_rec.report_addr.addr_type.gsi.
				  remote_qp));
	} else {
		ib_inform_info_get_qpn_resp_time(p_recvd_inform_info->g_or_v.
						 generic.qpn_resp_time_val,
						 &qpn, &resp_time_val);

		OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
			"UnSubscribe Request with QPN: 0x%06X\n",
			cl_ntoh32(qpn));
	}

	/* If record exists with matching InformInfo */
	p_infr =
	    osm_infr_get_by_rec(sa->p_subn, sa->p_log, &inform_info_rec);

	/* check to see if the request was for subscribe */
	if (p_recvd_inform_info->subscribe) {
		/* validate the request for a new or update InformInfo */
		if (__validate_infr(sa, &inform_info_rec) != TRUE) {
			cl_plock_release(sa->p_lock);

			OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4305: "
				"Failed to validate a new inform object\n");

			/* o13-13.1.1: we need to set the subscribe bit to 0 */
			p_recvd_inform_info->subscribe = 0;
			osm_sa_send_error(sa, p_madw,
					  IB_SA_MAD_STATUS_REQ_INVALID);
			goto Exit;
		}

		/* ok - we can try and create a new entry */
		if (p_infr == NULL) {
			/* Create the instance of the osm_infr_t object */
			p_infr = osm_infr_new(&inform_info_rec);
			if (p_infr == NULL) {
				cl_plock_release(sa->p_lock);

				OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4306: "
					"Failed to create a new inform object\n");

				/* o13-13.1.1: we need to set the subscribe bit to 0 */
				p_recvd_inform_info->subscribe = 0;
				osm_sa_send_error(sa, p_madw,
						  IB_SA_MAD_STATUS_NO_RESOURCES);
				goto Exit;
			}

			/* Add this new osm_infr_t object to subnet object */
			osm_infr_insert_to_db(sa->p_subn, sa->p_log, p_infr);
		} else
			/* Update the old instance of the osm_infr_t object */
			p_infr->inform_record = inform_info_rec.inform_record;
	/* We got an UnSubscribe request */
	} else if (p_infr == NULL) {
		cl_plock_release(sa->p_lock);

		/* No Such Item - So Error */
		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4307: "
			"Failed to UnSubscribe to non existing inform object\n");

		/* o13-13.1.1: we need to set the subscribe bit to 0 */
		p_recvd_inform_info->subscribe = 0;
		osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_REQ_INVALID);
		goto Exit;
	} else
		/* Delete this object from the subnet list of informs */
		osm_infr_remove_from_db(sa->p_subn, sa->p_log, p_infr);

	cl_plock_release(sa->p_lock);

	/* send the success response */
	__osm_infr_rcv_respond(sa, p_madw);

Exit:
	OSM_LOG_EXIT(sa->p_log);
}
/*
 * Register/Unregister to receive the given InformInfo
 *
 * Uses the qp context to send the inform info mad.
 * Wait for GetResp(InformInfoResp)
 *
 */
ib_api_status_t
osmt_reg_unreg_inform_info(IN osmtest_t * p_osmt,
			   IN osmt_qp_ctx_t * p_qp_ctx,
			   IN ib_inform_info_t * p_inform_info,
			   IN uint8_t reg_flag)
{
	ib_sa_mad_t *p_sa_mad = (ib_sa_mad_t *) (p_qp_ctx->p_send_buf);
	ib_inform_info_t *p_ii = ib_sa_mad_get_payload_ptr(p_sa_mad);	/*  SA Payload */
	VAPI_ret_t vapi_ret;
	VAPI_wc_desc_t wc_desc;
	VAPI_ud_av_hndl_t avh;
	static VAPI_wr_id_t wrid = 16198;
	osm_log_t *p_log = &p_osmt->log;
	ib_api_status_t status = IB_SUCCESS;

	OSM_LOG_ENTER(&p_osmt->log);

	/* init the MAD */
	ib_mad_init_new((ib_mad_t *) p_sa_mad,
			IB_MCLASS_SUBN_ADM,
			(uint8_t) 2,
			IB_MAD_METHOD_SET, cl_hton64(wrid), (ib_net16_t) 0, 0);
	wrid++;
	p_sa_mad->attr_id = IB_MAD_ATTR_INFORM_INFO;

	/* copy the reference inform info */
	memcpy(p_ii, p_inform_info, sizeof(ib_inform_info_t));

	if (reg_flag) {
		OSM_LOG(&p_osmt->log, OSM_LOG_INFO,
			"Subscribing InformInfo: Traps from lid:0x%X to 0x%X, trap num :0x%X\n",
			p_ii->lid_range_begin, p_ii->lid_range_end,
			p_ii->g_or_v.generic.trap_num);
	} else {
		OSM_LOG(&p_osmt->log, OSM_LOG_INFO,
			"UnSubscribing InformInfo: Traps from lid:0x%X to 0x%X\n",
			p_ii->lid_range_begin, p_ii->lid_range_end);
	}

	/* set the subscribe bit */
	if (reg_flag) {
		p_ii->subscribe = 1;
	} else {
		p_ii->subscribe = 0;
		/*
		 * we need to set the QPN on the mad if we unsubscribe:
		 * o13-2.1.1 - QPN Field need to be set when unsubscribing.
		 */
		ib_inform_info_set_qpn(p_ii,
				       cl_hton32(p_qp_ctx->qp_bind_hndl.qp_id.
						 qp_num));
	}

	osm_dump_inform_info(&p_osmt->log, p_ii, OSM_LOG_DEBUG);

	/* --------------------- PREP ------------------------- */
	if (osmt_mtl_mad_post_recv_bufs(&p_qp_ctx->qp_bind_hndl, p_qp_ctx->p_recv_buf, 1,	/*  but we need only one mad at a time */
					GRH_LEN + MAD_BLOCK_SIZE, wrid) != 1) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0120: "
			"Error posting recv bufs\n");
		status = IB_ERROR;
		goto Exit;
	}
	OSM_LOG(p_log, OSM_LOG_DEBUG, "Posted recv bufs\n");

	vapi_ret =
	    osmt_mtl_create_av(&p_qp_ctx->qp_bind_hndl,
			       p_osmt->local_port.sm_lid, &avh);
	if (vapi_ret != VAPI_OK) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0121: "
			"Error Preparing AVH (%s)\n",
			VAPI_strerror_sym(vapi_ret));
		status = IB_ERROR;
		goto Exit;
	}
	OSM_LOG(p_log, OSM_LOG_DEBUG, "Prepared AVH\n");

	if (osm_log_is_active(p_log, OSM_LOG_DEBUG)) {
		osm_dump_sa_mad(p_log, (ib_sa_mad_t *) (p_qp_ctx->p_send_buf),
				OSM_LOG_DEBUG);
#if 0
		for (i = 56; i < 253; i++) {
			if (i % 8 == 0) {
				printf("\n %d : ", i);
			}
			printf("0x%02X ", p_qp_ctx->p_send_buf[i]);
		}
#endif
		printf("\n");
	}

	/* --------------------- SEND ------------------------- */
	vapi_ret = osmt_mtl_mad_send(&p_qp_ctx->qp_bind_hndl, wrid, p_qp_ctx->p_send_buf, 1,	/*  SA is QP1 */
				     0,	/*  SL is 0 */
				     OSMT_MTL_REVERSE_QP1_WELL_KNOWN_Q_KEY,
				     avh);
	if (vapi_ret != VAPI_OK) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0122: "
			"Error sending mad (%s)\n",
			VAPI_strerror_sym(vapi_ret));
		status = IB_ERROR;
		goto Exit;
	}

	vapi_ret = osmt_mtl_mad_poll4cqe(p_qp_ctx->qp_bind_hndl.hca_hndl,
					 p_qp_ctx->qp_bind_hndl.sq_cq_hndl,
					 &wc_desc, 20, 10000, NULL);
	if (vapi_ret != VAPI_OK) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0123: "
			"Error getting send completion (%s)\n",
			VAPI_strerror_sym(vapi_ret));
		status = IB_ERROR;
		goto Exit;
	}

	if (wc_desc.status != VAPI_SUCCESS) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0124: "
			"Error on send completion (%s) (%d)\n",
			VAPI_strerror_sym(wc_desc.status), wc_desc.status);
		status = IB_ERROR;
		goto Exit;
	}
	OSM_LOG(p_log, OSM_LOG_DEBUG, "Sent MAD\n");

	/* --------------------- RECV ------------------------- */
	vapi_ret = osmt_mtl_mad_poll4cqe(p_qp_ctx->qp_bind_hndl.hca_hndl,
					 p_qp_ctx->qp_bind_hndl.rq_cq_hndl,
					 &wc_desc, 20, 10000, &avh);
	if (vapi_ret != VAPI_SUCCESS) {
		if (vapi_ret == VAPI_CQ_EMPTY) {
			status = IB_TIMEOUT;
		} else {
			OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0125: "
				"Error receiving mad (%s)\n",
				VAPI_strerror_sym(vapi_ret));
			status = IB_ERROR;
		}
		goto Exit;
	}

	/* check to see if successful - by examination of the subscribe bit */
	p_sa_mad = (ib_sa_mad_t *) (p_qp_ctx->p_recv_buf + GRH_LEN);

	if (p_sa_mad->status != IB_SUCCESS) {
		OSM_LOG(&p_osmt->log, OSM_LOG_ERROR, "Remote error = %s\n",
			ib_get_mad_status_str((ib_mad_t *) p_sa_mad));
		status = IB_REMOTE_ERROR;
		goto Exit;
	}

	if (p_sa_mad->method != IB_MAD_METHOD_GET_RESP) {
		OSM_LOG(&p_osmt->log, OSM_LOG_ERROR,
			"Expected IB_MAD_METHOD_GET_RESP but got:(%X)\n",
			p_sa_mad->method);
		status = IB_REMOTE_ERROR;
		goto Exit;
	}

	if (p_sa_mad->attr_id != IB_MAD_ATTR_INFORM_INFO) {
		OSM_LOG(&p_osmt->log, OSM_LOG_ERROR,
			"Expected IB_MAD_ATTR_INFORM_INFO but got:(%X)\n",
			cl_ntoh16(p_sa_mad->attr_id));
		status = IB_REMOTE_ERROR;
		goto Exit;
	}

	p_ii = ib_sa_mad_get_payload_ptr(p_sa_mad);
	if (!p_ii->subscribe) {
		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 0126: "
			"Subscribe/Unsubscribe Failed\n");
		status = IB_REMOTE_ERROR;
	}

Exit:
	OSM_LOG_EXIT(&p_osmt->log);
	return status;
}