Esempio n. 1
0
  void
  parallel_for_pixel_wise_runner<openmp, OPTS, Params...>::run_col_first_parallel(F fun)
  {
    auto p1 = std::get<0>(ranges_).first_point_coordinates();
    auto p2 = std::get<0>(ranges_).last_point_coordinates();

    // int col_start = p1[1];
    // int col_end = p2[1];

    // const bool row_reverse = options_.has(_row_backward) || options_.has(_mem_backward);
    // const bool col_reverse = options_.has(_col_backward) || options_.has(_mem_backward);
    // const int config[4] = { options_.has(_row_backward), options_.has(_row_forward),
    //                         options_.has(_col_backward), options_.has(_col_forward) };
    // const int config_sum = config[0] + config[1] + config[2] + config[3];
    // const bool parallel =
    //   (config_sum == 0 || !((config[0] || config[1]) && 
    //                         (config[2] || config[3]))) && // no dependency or either row_* or col_* is activated (not both).
    //   !options_.has(_no_threads); // user did not specify serial

    const int bs = std::min(options_.get(_block_size, 32), p2[1] - p1[1]);
    block_wise(vint2{1 + p2[0] - p1[0], bs}, ranges_)(_tie_arguments) |
      [this, &fun] (auto& b)
    {
      if (options_.has(_col_backward))
        iod::static_if<OPTS().has(_tie_arguments)>(
          [&b] (auto& fun) { return pixel_wise(b)(_col_backward, _no_threads, _tie_arguments) | fun; }, 
          [&b] (auto& fun) { return pixel_wise(b)(_col_backward, _no_threads) | fun; }, fun);
      else
        iod::static_if<OPTS().has(_tie_arguments)>(
          [&b] (auto& fun) { return pixel_wise(b)(_no_threads, _tie_arguments) | fun; }, 
          [&b] (auto& fun) { return pixel_wise(b)(_no_threads) | fun; }, fun);
    };

  }
Esempio n. 2
0
/* Pack and send on event multicast ip adress a Sync message */
int msg_issue_sync_followup(struct pp_instance *ppi)
{
	Timestamp tstamp;
	TimeInternal now, *time_snt;
	int e;

	/* Send sync on the event channel with the "current" timestamp */
	ppi->t_ops->get(ppi, &now);
	from_TimeInternal(&now, &tstamp);
	msg_pack_sync(ppi, &tstamp);
	e = __send_and_log(ppi, PP_SYNC_LENGTH, PPM_SYNC, PP_NP_EVT);
	if (e) return e;

	/* Send followup on general channel with sent-stamp of sync */
	time_snt = &ppi->last_snt_time;
	add_TimeInternal(time_snt, time_snt,
			 &OPTS(ppi)->outbound_latency);
	from_TimeInternal(time_snt, &tstamp);
	msg_pack_follow_up(ppi, &tstamp);
	return __send_and_log(ppi, PP_FOLLOW_UP_LENGTH, PPM_FOLLOW_UP,
			      PP_NP_GEN);
}
Esempio n. 3
0
int pp_slave(struct pp_instance *ppi, unsigned char *pkt, int plen)
{
	int e = 0; /* error var, to check errors in msg handling */
	MsgHeader *hdr = &ppi->received_ptp_header;
	MsgDelayResp resp;
	int d1, d2;

	if (ppi->is_new_state) {
		pp_servo_init(ppi);

		if (pp_hooks.new_slave)
			e = pp_hooks.new_slave(ppi, pkt, plen);
		if (e)
			goto out;

		ppi->waiting_for_follow = FALSE;

		pp_timeout_restart_annrec(ppi);

		pp_timeout_rand(ppi, PP_TO_DELAYREQ,
				DSPOR(ppi)->logMinDelayReqInterval);
	}

	if (plen == 0)
		goto out;

	switch (hdr->messageType) {

	case PPM_ANNOUNCE:
		e = st_com_slave_handle_announce(ppi, pkt, plen);
		break;

	case PPM_SYNC:
		e = st_com_slave_handle_sync(ppi, pkt, plen);
		break;

	case PPM_FOLLOW_UP:
		e = st_com_slave_handle_followup(ppi, pkt, plen);
		break;

	case PPM_DELAY_REQ:
		/* Being slave, we are not waiting for a delay request */
		break;

	case PPM_DELAY_RESP:

		e = (plen < PP_DELAY_RESP_LENGTH);

		if (e)
			break;

		msg_unpack_delay_resp(pkt, &resp);

		if ((memcmp(&DSPOR(ppi)->portIdentity.clockIdentity,
			&resp.requestingPortIdentity.clockIdentity,
			PP_CLOCK_IDENTITY_LENGTH) == 0) &&
			((ppi->sent_seq[PPM_DELAY_REQ]) ==
				hdr->sequenceId) &&
			(DSPOR(ppi)->portIdentity.portNumber ==
			resp.requestingPortIdentity.portNumber)
			&& ppi->is_from_cur_par) {

			to_TimeInternal(&ppi->t4, &resp.receiveTimestamp);

			/*
			 * FIXME: how is correctionField handled in t3/t4?
			 * I think the master should consider it when
			 * generating t4, and report back a modified t4
			 */

			if (pp_hooks.handle_resp)
				e = pp_hooks.handle_resp(ppi);
			else
				pp_servo_got_resp(ppi);
			if (e)
				goto out;

			ppi->log_min_delay_req_interval =
				hdr->logMessageInterval;

		} else {
			pp_diag(ppi, frames, 2, "pp_slave : "
			     "Delay Resp doesn't match Delay Req\n");
		}

		break;

	/*
	 * We are not supporting pdelay (not configured to, see
	 * 9.5.13.1, p 106), so all the code about pdelay is removed
	 * as a whole by one commit in our history. It can be recoverd
	 * and fixed if needed
	 */

	default:
		/* disregard, nothing to do */
		break;

	}

out:
	if (e == 0)
		e = st_com_execute_slave(ppi);

	if (pp_timeout_z(ppi, PP_TO_DELAYREQ)) {
		e = msg_issue_delay_req(ppi);

		ppi->t3 = ppi->last_snt_time;

		/* Restart the timeout for next time */
		pp_timeout_rand(ppi, PP_TO_DELAYREQ,
				DSPOR(ppi)->logMinDelayReqInterval);

		/* Add latency */
		add_TimeInternal(&ppi->t3,
				 &ppi->t3,
				 &OPTS(ppi)->outbound_latency);
	}

	if (e) {
		ppi->next_state = PPS_FAULTY;
		return 0;
	}

	/* Leaving this state */
	if (ppi->next_state != ppi->state) {
		pp_timeout_clr(ppi, PP_TO_ANN_RECEIPT);
		pp_timeout_clr(ppi, PP_TO_DELAYREQ);

		pp_servo_init(ppi);
	}
	d1 = d2 = pp_ms_to_timeout(ppi, PP_TO_ANN_RECEIPT);
	if (ppi->timeouts[PP_TO_DELAYREQ])
		d2 = pp_ms_to_timeout(ppi, PP_TO_DELAYREQ);
	ppi->next_delay = d1 < d2 ? d1 : d2;
	return 0;
}
Esempio n. 4
0
int pp_initializing(struct pp_instance *ppi, unsigned char *pkt, int plen)
{
	unsigned char *id, *mac;
	struct DSPort *port = DSPOR(ppi);
	struct pp_runtime_opts *opt = OPTS(ppi);
	int ret = 0;

	if (ppi->n_ops->init(ppi) < 0) /* it must handle being called twice */
		goto failure;

	/* Clock identity comes from mac address with 0xff:0xfe intermixed */
	id = (unsigned char *)&DSDEF(ppi)->clockIdentity;
	mac = NP(ppi)->ch[PP_NP_GEN].addr;
	id[0] = mac[0];
	id[1] = mac[1];
	id[2] = mac[2];
	id[3] = 0xff;
	id[4] = 0xfe;
	id[5] = mac[3];
	id[6] = mac[4];
	id[7] = mac[5];

	/*
	 * Initialize port data set
	 */
	memcpy(&port->portIdentity.clockIdentity,
		&DSDEF(ppi)->clockIdentity, PP_CLOCK_IDENTITY_LENGTH);
	port->portIdentity.portNumber = 1;
	port->logMinDelayReqInterval = PP_DEFAULT_DELAYREQ_INTERVAL;
	port->logAnnounceInterval = opt->announce_intvl;
	port->announceReceiptTimeout = PP_DEFAULT_ANNOUNCE_RECEIPT_TIMEOUT;
	port->logSyncInterval = opt->sync_intvl;
	port->versionNumber = PP_VERSION_PTP;

	if (pp_hooks.init)
		ret = pp_hooks.init(ppi, pkt, plen);
	if (ret) {
		pp_diag(ppi, ext, 1, "%s: can't init extension\n", __func__);
		goto failure;
	}

	if (ret) {
		pp_diag(ppi, time, 1, "%s: can't init timers\n", __func__);
		goto failure;
	}
	pp_init_clock(ppi);

	pp_diag(ppi, bmc, 1, "clock class = %d\n",
			DSDEF(ppi)->clockQuality.clockClass);
	pp_diag(ppi, bmc, 1, "clock accuracy = %d\n",
			DSDEF(ppi)->clockQuality.clockAccuracy);

	m1(ppi);

	msg_pack_header(ppi, ppi->tx_ptp); /* This is used for all tx */

	if (!ppi->master_only)
		ppi->next_state = PPS_LISTENING;
	else
		ppi->next_state = PPS_MASTER;
	return 0;

failure:
	ppi->next_delay = 1000; /* wait 1s before retrying */
	return 0;
}