Function ena_mp_primary_handle

dpdk/drivers/net/ena/ena_ethdev.c:4021–4086

* Multi-Process communication request handling (in primary) *********************************************************************/

 *  Multi-Process communication request handling (in primary)
 *********************************************************************/
static int
ena_mp_primary_handle(const struct rte_mp_msg *mp_msg, const void *peer)
{
	const struct ena_mp_body *req =
		(const struct ena_mp_body *)mp_msg->param;
	struct ena_adapter *adapter;
	struct ena_com_dev *ena_dev;
	struct ena_mp_body *rsp;
	struct rte_mp_msg mp_rsp;
	struct rte_eth_dev *dev;
	int res = 0;

	rsp = (struct ena_mp_body *)&mp_rsp.param;
	mp_msg_init(&mp_rsp, req->type, req->port_id);

	if (!rte_eth_dev_is_valid_port(req->port_id)) {
		rte_errno = ENODEV;
		res = -rte_errno;
		PMD_DRV_LOG(ERR, "Unknown port %d in request %d\n",
			    req->port_id, req->type);
		goto end;
	}
	dev = &rte_eth_devices[req->port_id];
	adapter = dev->data->dev_private;
	ena_dev = &adapter->ena_dev;

	switch (req->type) {
	case ENA_MP_DEV_STATS_GET:
		res = ena_com_get_dev_basic_stats(ena_dev,
						  &adapter->basic_stats);
		break;
	case ENA_MP_ENI_STATS_GET:
		res = ena_com_get_eni_stats(ena_dev,
			(struct ena_admin_eni_stats *)&adapter->metrics_stats);
		break;
	case ENA_MP_MTU_SET:
		res = ena_com_set_dev_mtu(ena_dev, req->args.mtu);
		break;
	case ENA_MP_IND_TBL_GET:
		res = ena_com_indirect_table_get(ena_dev,
						 adapter->indirect_table);
		break;
	case ENA_MP_IND_TBL_SET:
		res = ena_com_indirect_table_set(ena_dev);
		break;
	case ENA_MP_CUSTOMER_METRICS_GET:
		res = ena_com_get_customer_metrics(ena_dev,
				(char *)adapter->metrics_stats,
				sizeof(uint64_t) * adapter->metrics_num);
		break;
	case ENA_MP_SRD_STATS_GET:
		res = ena_com_get_ena_srd_info(ena_dev,
				(struct ena_admin_ena_srd_info *)&adapter->srd_stats);
		break;
	default:
		PMD_DRV_LOG(ERR, "Unknown request type %d\n", req->type);
		res = -EINVAL;
		break;