C++ (Cpp) rte_event_port_setup示例

示例#1

文件： rte_event_eth_rx_adapter.c 项目： qoriq-open-source/dpdk

static int
default_conf_cb(uint8_t id, uint8_t dev_id,
		struct rte_event_eth_rx_adapter_conf *conf, void *arg)
{
	int ret;
	struct rte_eventdev *dev;
	struct rte_event_dev_config dev_conf;
	int started;
	uint8_t port_id;
	struct rte_event_port_conf *port_conf = arg;
	struct rte_event_eth_rx_adapter *rx_adapter = id_to_rx_adapter(id);

	dev = &rte_eventdevs[rx_adapter->eventdev_id];
	dev_conf = dev->data->dev_conf;

	started = dev->data->dev_started;
	if (started)
		rte_event_dev_stop(dev_id);
	port_id = dev_conf.nb_event_ports;
	dev_conf.nb_event_ports += 1;
	ret = rte_event_dev_configure(dev_id, &dev_conf);
	if (ret) {
		RTE_EDEV_LOG_ERR("failed to configure event dev %u\n",
						dev_id);
		if (started)
			rte_event_dev_start(dev_id);
		return ret;
	}

	ret = rte_event_port_setup(dev_id, port_id, port_conf);
	if (ret) {
		RTE_EDEV_LOG_ERR("failed to setup event port %u\n",
					port_id);
		return ret;
	}

	conf->event_port_id = port_id;
	conf->max_nb_rx = 128;
	if (started)
		rte_event_dev_start(dev_id);
	rx_adapter->default_cb_arg = 1;
	return ret;
}

示例#2

文件： test_perf_common.c 项目： bisdn/dpdk-dev

int
perf_event_dev_port_setup(struct evt_test *test, struct evt_options *opt,
				uint8_t stride, uint8_t nb_queues,
				const struct rte_event_port_conf *port_conf)
{
	struct test_perf *t = evt_test_priv(test);
	uint16_t port, prod;
	int ret = -1;

	/* setup one port per worker, linking to all queues */
	for (port = 0; port < evt_nr_active_lcores(opt->wlcores);
				port++) {
		struct worker_data *w = &t->worker[port];

		w->dev_id = opt->dev_id;
		w->port_id = port;
		w->t = t;
		w->processed_pkts = 0;
		w->latency = 0;

		ret = rte_event_port_setup(opt->dev_id, port, port_conf);
		if (ret) {
			evt_err("failed to setup port %d", port);
			return ret;
		}

		ret = rte_event_port_link(opt->dev_id, port, NULL, NULL, 0);
		if (ret != nb_queues) {
			evt_err("failed to link all queues to port %d", port);
			return -EINVAL;
		}
	}

	/* port for producers, no links */
	if (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR) {
		for ( ; port < perf_nb_event_ports(opt); port++) {
			struct prod_data *p = &t->prod[port];
			p->t = t;
		}

		ret = perf_event_rx_adapter_setup(opt, stride, *port_conf);
		if (ret)
			return ret;
	} else {
		prod = 0;
		for ( ; port < perf_nb_event_ports(opt); port++) {
			struct prod_data *p = &t->prod[port];

			p->dev_id = opt->dev_id;
			p->port_id = port;
			p->queue_id = prod * stride;
			p->t = t;

			ret = rte_event_port_setup(opt->dev_id, port,
					port_conf);
			if (ret) {
				evt_err("failed to setup port %d", port);
				return ret;
			}
			prod++;
		}
	}

	return ret;
}