Function sfc_eth_dev_secondary_init

dpdk/drivers/net/sfc/sfc_ethdev.c:2975–3048

};

static int
sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
{
	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
	struct sfc_adapter_priv *sap;
	const struct sfc_dp_rx *dp_rx;
	const struct sfc_dp_tx *dp_tx;
	int rc;

	/*
	 * Allocate process private data from heap, since it should not
	 * be located in shared memory allocated using rte_malloc() API.
	 */
	sap = calloc(1, sizeof(*sap));
	if (sap == NULL) {
		rc = ENOMEM;
		goto fail_alloc_priv;
	}

	sap->logtype_main = logtype_main;

	dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
	if (dp_rx == NULL) {
		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
			"cannot find %s Rx datapath", sas->dp_rx_name);
		rc = ENOENT;
		goto fail_dp_rx;
	}
	if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
			"%s Rx datapath does not support multi-process",
			sas->dp_rx_name);
		rc = EINVAL;
		goto fail_dp_rx_multi_process;
	}

	dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
	if (dp_tx == NULL) {
		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
			"cannot find %s Tx datapath", sas->dp_tx_name);
		rc = ENOENT;
		goto fail_dp_tx;
	}
	if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
		SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
			"%s Tx datapath does not support multi-process",
			sas->dp_tx_name);
		rc = EINVAL;
		goto fail_dp_tx_multi_process;
	}

	sap->dp_rx = dp_rx;
	sap->dp_tx = dp_tx;

	dev->process_private = sap;
	dev->rx_pkt_burst = dp_rx->pkt_burst;
	dev->tx_pkt_prepare = dp_tx->pkt_prepare;
	dev->tx_pkt_burst = dp_tx->pkt_burst;