i40e: add VEB switching support

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index e7214e1..478ad78 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -3904,6 +3904,45 @@ i40e_vsi_get_bw_config(struct i40e_vsi *vsi)
        return I40E_SUCCESS;
 }
 
+/* i40e_enable_pf_lb
+ * @pf: pointer to the pf structure
+ *
+ * allow loopback on pf
+ */
+static inline void
+i40e_enable_pf_lb(struct i40e_pf *pf)
+{
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       struct i40e_vsi_context ctxt;
+       int ret;
+
+       /* Use the FW API if FW >= v5.0 */
+       if (hw->aq.fw_maj_ver < 5) {
+               PMD_INIT_LOG(ERR, "FW < v5.0, cannot enable loopback");
+               return;
+       }
+
+       memset(&ctxt, 0, sizeof(ctxt));
+       ctxt.seid = pf->main_vsi_seid;
+       ctxt.pf_num = hw->pf_id;
+       ret = i40e_aq_get_vsi_params(hw, &ctxt, NULL);
+       if (ret) {
+               PMD_DRV_LOG(ERR, "cannot get pf vsi config, err %d, aq_err %d",
+                           ret, hw->aq.asq_last_status);
+               return;
+       }
+       ctxt.flags = I40E_AQ_VSI_TYPE_PF;
+       ctxt.info.valid_sections =
+               rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SWITCH_VALID);
+       ctxt.info.switch_id |=
+               rte_cpu_to_le_16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
+
+       ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
+       if (ret)
+               PMD_DRV_LOG(ERR, "update vsi switch failed, aq_err=%d\n",
+                           hw->aq.asq_last_status);
+}
+
 /* Setup a VSI */
 struct i40e_vsi *
 i40e_vsi_setup(struct i40e_pf *pf,
@@ -3939,6 +3978,8 @@ i40e_vsi_setup(struct i40e_pf *pf,
                        PMD_DRV_LOG(ERR, "VEB setup failed");
                        return NULL;
                }
+               /* set ALLOWLOOPBACk on pf, when veb is created */
+               i40e_enable_pf_lb(pf);
        }
 
        vsi = rte_zmalloc("i40e_vsi", sizeof(struct i40e_vsi), 0);
@@ -4111,14 +4152,14 @@ i40e_vsi_setup(struct i40e_pf *pf,
                ctxt.connection_type = 0x1;
                ctxt.flags = I40E_AQ_VSI_TYPE_VF;
 
-               /**
-                * Do not configure switch ID to enable VEB switch by
-                * I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB. Because in Fortville,
-                * if the source mac address of packet sent from VF is not
-                * listed in the VEB's mac table, the VEB will switch the
-                * packet back to the VF. Need to enable it when HW issue
-                * is fixed.
-                */
+               /* Use the VEB configuration if FW >= v5.0 */
+               if (hw->aq.fw_maj_ver >= 5) {
+                       /* Configure switch ID */
+                       ctxt.info.valid_sections |=
+                       rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SWITCH_VALID);
+                       ctxt.info.switch_id =
+                       rte_cpu_to_le_16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
+               }
 
                /* Configure port/vlan */
                ctxt.info.valid_sections |=