Function sfc_eth_dev_set_ops

dpdk/drivers/net/sfc/sfc_ethdev.c:2807–2945

}

static int
sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
{
	struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
	const struct sfc_dp_rx *dp_rx;
	const struct sfc_dp_tx *dp_tx;
	const efx_nic_cfg_t *encp;
	unsigned int avail_caps = 0;
	const char *rx_name = NULL;
	const char *tx_name = NULL;
	int rc;

	switch (sa->family) {
	case EFX_FAMILY_HUNTINGTON:
	case EFX_FAMILY_MEDFORD:
	case EFX_FAMILY_MEDFORD2:
		avail_caps |= SFC_DP_HW_FW_CAP_EF10;
		avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX;
		avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX;
		break;
	case EFX_FAMILY_RIVERHEAD:
		avail_caps |= SFC_DP_HW_FW_CAP_EF100;
		break;
	default:
		break;
	}

	encp = efx_nic_cfg_get(sa->nic);
	if (encp->enc_rx_es_super_buffer_supported)
		avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;

	rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
				sfc_kvarg_string_handler, &rx_name);
	if (rc != 0)
		goto fail_kvarg_rx_datapath;

	if (rx_name != NULL) {
		dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
		if (dp_rx == NULL) {
			sfc_err(sa, "Rx datapath %s not found", rx_name);
			rc = ENOENT;
			goto fail_dp_rx;
		}
		if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
			sfc_err(sa,
				"Insufficient Hw/FW capabilities to use Rx datapath %s",
				rx_name);
			rc = EINVAL;
			goto fail_dp_rx_caps;
		}
	} else {
		dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
		if (dp_rx == NULL) {
			sfc_err(sa, "Rx datapath by caps %#x not found",
				avail_caps);
			rc = ENOENT;
			goto fail_dp_rx;