Function i40e_veb_setup

dpdk/drivers/net/i40e/i40e_ethdev.c:5339–5398

Setup a veb */

/* Setup a veb */
static struct i40e_veb *
i40e_veb_setup(struct i40e_pf *pf, struct i40e_vsi *vsi)
{
	struct i40e_veb *veb;
	int ret;
	struct i40e_hw *hw;

	if (pf == NULL) {
		PMD_DRV_LOG(ERR,
			    "veb setup failed, associated PF shouldn't null");
		return NULL;
	}
	hw = I40E_PF_TO_HW(pf);

	veb = rte_zmalloc("i40e_veb", sizeof(struct i40e_veb), 0);
	if (!veb) {
		PMD_DRV_LOG(ERR, "Failed to allocate memory for veb");
		goto fail;
	}

	veb->associate_vsi = vsi;
	veb->associate_pf = pf;
	TAILQ_INIT(&veb->head);
	veb->uplink_seid = vsi ? vsi->uplink_seid : 0;

	/* create floating veb if vsi is NULL */
	if (vsi != NULL) {
		ret = i40e_aq_add_veb(hw, veb->uplink_seid, vsi->seid,
				      I40E_DEFAULT_TCMAP, false,
				      &veb->seid, false, NULL);
	} else {
		ret = i40e_aq_add_veb(hw, 0, 0, I40E_DEFAULT_TCMAP,
				      true, &veb->seid, false, NULL);
	}

	if (ret != I40E_SUCCESS) {
		PMD_DRV_LOG(ERR, "Add veb failed, aq_err: %d",
			    hw->aq.asq_last_status);
		goto fail;
	}
	veb->enabled_tc = I40E_DEFAULT_TCMAP;

	/* get statistics index */
	ret = i40e_aq_get_veb_parameters(hw, veb->seid, NULL, NULL,
				&veb->stats_idx, NULL, NULL, NULL);
	if (ret != I40E_SUCCESS) {
		PMD_DRV_LOG(ERR, "Get veb statistics index failed, aq_err: %d",
			    hw->aq.asq_last_status);
		goto fail;
	}
	/* Get VEB bandwidth, to be implemented */
	/* Now associated vsi binding to the VEB, set uplink to this VEB */
	if (vsi)
		vsi->uplink_seid = veb->seid;

	return veb;
fail:
	rte_free(veb);