Function i40e_fdir_setup

dpdk/drivers/net/i40e/i40e_fdir.c:155–276

* i40e_fdir_setup - reserve and initialize the Flow Director resources * @pf: board private structure */

 * @pf: board private structure
 */
int
i40e_fdir_setup(struct i40e_pf *pf)
{
	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
	struct i40e_vsi *vsi;
	int err = I40E_SUCCESS;
	char z_name[RTE_MEMZONE_NAMESIZE];
	const struct rte_memzone *mz = NULL;
	struct rte_eth_dev *eth_dev = &rte_eth_devices[pf->dev_data->port_id];
	uint16_t i;

	if ((pf->flags & I40E_FLAG_FDIR) == 0) {
		PMD_INIT_LOG(ERR, "HW doesn't support FDIR");
		return I40E_NOT_SUPPORTED;
	}

	PMD_DRV_LOG(INFO, "FDIR HW Capabilities: num_filters_guaranteed = %u,"
			" num_filters_best_effort = %u.",
			hw->func_caps.fd_filters_guaranteed,
			hw->func_caps.fd_filters_best_effort);

	vsi = pf->fdir.fdir_vsi;
	if (vsi) {
		PMD_DRV_LOG(INFO, "FDIR initialization has been done.");
		return I40E_SUCCESS;
	}

	/* make new FDIR VSI */
	vsi = i40e_vsi_setup(pf, I40E_VSI_FDIR, pf->main_vsi, 0);
	if (!vsi) {
		PMD_DRV_LOG(ERR, "Couldn't create FDIR VSI.");
		return I40E_ERR_NO_AVAILABLE_VSI;
	}
	pf->fdir.fdir_vsi = vsi;

	/*Fdir tx queue setup*/
	err = i40e_fdir_setup_tx_resources(pf);
	if (err) {
		PMD_DRV_LOG(ERR, "Failed to setup FDIR TX resources.");
		goto fail_setup_tx;
	}

	/*Fdir rx queue setup*/
	err = i40e_fdir_setup_rx_resources(pf);
	if (err) {
		PMD_DRV_LOG(ERR, "Failed to setup FDIR RX resources.");
		goto fail_setup_rx;
	}

	err = i40e_tx_queue_init(pf->fdir.txq);
	if (err) {
		PMD_DRV_LOG(ERR, "Failed to do FDIR TX initialization.");
		goto fail_mem;
	}

	/* need switch on before dev start*/
	err = i40e_switch_tx_queue(hw, vsi->base_queue, TRUE);
	if (err) {