1 files changed, 105 insertions, 68 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 734cba693d16..2b1140563a64 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -40,8 +40,8 @@ static const char i40e_driver_string[] =
 #define DRV_KERN "-k"
 
 #define DRV_VERSION_MAJOR 1
-#define DRV_VERSION_MINOR 5
-#define DRV_VERSION_BUILD 16
+#define DRV_VERSION_MINOR 6
+#define DRV_VERSION_BUILD 4
 #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \
 	     __stringify(DRV_VERSION_MINOR) "." \
 	     __stringify(DRV_VERSION_BUILD)    DRV_KERN
@@ -1579,14 +1579,8 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 	vsi->tc_config.numtc = numtc;
 	vsi->tc_config.enabled_tc = enabled_tc ? enabled_tc : 1;
 	/* Number of queues per enabled TC */
-	/* In MFP case we can have a much lower count of MSIx
-	 * vectors available and so we need to lower the used
-	 * q count.
-	 */
-	if (pf->flags & I40E_FLAG_MSIX_ENABLED)
-		qcount = min_t(int, vsi->alloc_queue_pairs, pf->num_lan_msix);
-	else
-		qcount = vsi->alloc_queue_pairs;
+	qcount = vsi->alloc_queue_pairs;
+
 	num_tc_qps = qcount / numtc;
 	num_tc_qps = min_t(int, num_tc_qps, i40e_pf_get_max_q_per_tc(pf));
 
@@ -1840,8 +1834,10 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 {
 	struct list_head tmp_del_list, tmp_add_list;
 	struct i40e_mac_filter *f, *ftmp, *fclone;
+	struct i40e_hw *hw = &vsi->back->hw;
 	bool promisc_forced_on = false;
 	bool add_happened = false;
+	char vsi_name[16] = "PF";
 	int filter_list_len = 0;
 	u32 changed_flags = 0;
 	i40e_status aq_ret = 0;
@@ -1869,6 +1865,11 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 	INIT_LIST_HEAD(&tmp_del_list);
 	INIT_LIST_HEAD(&tmp_add_list);
 
+	if (vsi->type == I40E_VSI_SRIOV)
+		snprintf(vsi_name, sizeof(vsi_name) - 1, "VF %d", vsi->vf_id);
+	else if (vsi->type != I40E_VSI_MAIN)
+		snprintf(vsi_name, sizeof(vsi_name) - 1, "vsi %d", vsi->seid);
+
 	if (vsi->flags & I40E_VSI_FLAG_FILTER_CHANGED) {
 		vsi->flags &= ~I40E_VSI_FLAG_FILTER_CHANGED;
 
@@ -1920,7 +1921,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 	if (!list_empty(&tmp_del_list)) {
 		int del_list_size;
 
-		filter_list_len = pf->hw.aq.asq_buf_size /
+		filter_list_len = hw->aq.asq_buf_size /
 			    sizeof(struct i40e_aqc_remove_macvlan_element_data);
 		del_list_size = filter_list_len *
 			    sizeof(struct i40e_aqc_remove_macvlan_element_data);
@@ -1952,21 +1953,21 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 
 			/* flush a full buffer */
 			if (num_del == filter_list_len) {
-				aq_ret = i40e_aq_remove_macvlan(&pf->hw,
-								vsi->seid,
-								del_list,
-								num_del,
-								NULL);
-				aq_err = pf->hw.aq.asq_last_status;
+				aq_ret =
+					i40e_aq_remove_macvlan(hw, vsi->seid,
+							       del_list,
+							       num_del, NULL);
+				aq_err = hw->aq.asq_last_status;
 				num_del = 0;
 				memset(del_list, 0, del_list_size);
 
 				if (aq_ret && aq_err != I40E_AQ_RC_ENOENT) {
 					retval = -EIO;
 					dev_err(&pf->pdev->dev,
-						"ignoring delete macvlan error, err %s, aq_err %s while flushing a full buffer\n",
-						i40e_stat_str(&pf->hw, aq_ret),
-						i40e_aq_str(&pf->hw, aq_err));
+						 "ignoring delete macvlan error on %s, err %s, aq_err %s while flushing a full buffer\n",
+						 vsi_name,
+						 i40e_stat_str(hw, aq_ret),
+						 i40e_aq_str(hw, aq_err));
 				}
 			}
 			/* Release memory for MAC filter entries which were
@@ -1977,17 +1978,17 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 		}
 
 		if (num_del) {
-			aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid,
-							del_list, num_del,
-							NULL);
-			aq_err = pf->hw.aq.asq_last_status;
+			aq_ret = i40e_aq_remove_macvlan(hw, vsi->seid, del_list,
+							num_del, NULL);
+			aq_err = hw->aq.asq_last_status;
 			num_del = 0;
 
 			if (aq_ret && aq_err != I40E_AQ_RC_ENOENT)
 				dev_info(&pf->pdev->dev,
-					 "ignoring delete macvlan error, err %s aq_err %s\n",
-					 i40e_stat_str(&pf->hw, aq_ret),
-					 i40e_aq_str(&pf->hw, aq_err));
+					 "ignoring delete macvlan error on %s, err %s aq_err %s\n",
+					 vsi_name,
+					 i40e_stat_str(hw, aq_ret),
+					 i40e_aq_str(hw, aq_err));
 		}
 
 		kfree(del_list);
@@ -1998,7 +1999,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 		int add_list_size;
 
 		/* do all the adds now */
-		filter_list_len = pf->hw.aq.asq_buf_size /
+		filter_list_len = hw->aq.asq_buf_size /
 			       sizeof(struct i40e_aqc_add_macvlan_element_data),
 		add_list_size = filter_list_len *
 			       sizeof(struct i40e_aqc_add_macvlan_element_data);
@@ -2033,10 +2034,10 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 
 			/* flush a full buffer */
 			if (num_add == filter_list_len) {
-				aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid,
+				aq_ret = i40e_aq_add_macvlan(hw, vsi->seid,
 							     add_list, num_add,
 							     NULL);
-				aq_err = pf->hw.aq.asq_last_status;
+				aq_err = hw->aq.asq_last_status;
 				num_add = 0;
 
 				if (aq_ret)
@@ -2051,9 +2052,9 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 		}
 
 		if (num_add) {
-			aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid,
+			aq_ret = i40e_aq_add_macvlan(hw, vsi->seid,
 						     add_list, num_add, NULL);
-			aq_err = pf->hw.aq.asq_last_status;
+			aq_err = hw->aq.asq_last_status;
 			num_add = 0;
 		}
 		kfree(add_list);
@@ -2062,16 +2063,18 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 		if (add_happened && aq_ret && aq_err != I40E_AQ_RC_EINVAL) {
 			retval = i40e_aq_rc_to_posix(aq_ret, aq_err);
 			dev_info(&pf->pdev->dev,
-				 "add filter failed, err %s aq_err %s\n",
-				 i40e_stat_str(&pf->hw, aq_ret),
-				 i40e_aq_str(&pf->hw, aq_err));
-			if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOSPC) &&
+				 "add filter failed on %s, err %s aq_err %s\n",
+				 vsi_name,
+				 i40e_stat_str(hw, aq_ret),
+				 i40e_aq_str(hw, aq_err));
+			if ((hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) &&
 			    !test_bit(__I40E_FILTER_OVERFLOW_PROMISC,
 				      &vsi->state)) {
 				promisc_forced_on = true;
 				set_bit(__I40E_FILTER_OVERFLOW_PROMISC,
 					&vsi->state);
-				dev_info(&pf->pdev->dev, "promiscuous mode forced on\n");
+				dev_info(&pf->pdev->dev, "promiscuous mode forced on %s\n",
+					 vsi_name);
 			}
 		}
 	}
@@ -2093,12 +2096,12 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 							       NULL);
 		if (aq_ret) {
 			retval = i40e_aq_rc_to_posix(aq_ret,
-						     pf->hw.aq.asq_last_status);
+						     hw->aq.asq_last_status);
 			dev_info(&pf->pdev->dev,
-				 "set multi promisc failed, err %s aq_err %s\n",
-				 i40e_stat_str(&pf->hw, aq_ret),
-				 i40e_aq_str(&pf->hw,
-					     pf->hw.aq.asq_last_status));
+				 "set multi promisc failed on %s, err %s aq_err %s\n",
+				 vsi_name,
+				 i40e_stat_str(hw, aq_ret),
+				 i40e_aq_str(hw, hw->aq.asq_last_status));
 		}
 	}
 	if ((changed_flags & IFF_PROMISC) || promisc_forced_on) {
@@ -2117,33 +2120,58 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 			 */
 			if (pf->cur_promisc != cur_promisc) {
 				pf->cur_promisc = cur_promisc;
-				set_bit(__I40E_PF_RESET_REQUESTED, &pf->state);
+				if (cur_promisc)
+					aq_ret =
+					      i40e_aq_set_default_vsi(hw,
+								      vsi->seid,
+								      NULL);
+				else
+					aq_ret =
+					    i40e_aq_clear_default_vsi(hw,
+								      vsi->seid,
+								      NULL);
+				if (aq_ret) {
+					retval = i40e_aq_rc_to_posix(aq_ret,
+							hw->aq.asq_last_status);
+					dev_info(&pf->pdev->dev,
+						 "Set default VSI failed on %s, err %s, aq_err %s\n",
+						 vsi_name,
+						 i40e_stat_str(hw, aq_ret),
+						 i40e_aq_str(hw,
+						     hw->aq.asq_last_status));
+				}
 			}
 		} else {
 			aq_ret = i40e_aq_set_vsi_unicast_promiscuous(
-							  &vsi->back->hw,
+							  hw,
 							  vsi->seid,
 							  cur_promisc, NULL,
 							  true);
 			if (aq_ret) {
 				retval =
 				i40e_aq_rc_to_posix(aq_ret,
-						    pf->hw.aq.asq_last_status);
+						    hw->aq.asq_last_status);
 				dev_info(&pf->pdev->dev,
-					 "set unicast promisc failed, err %d, aq_err %d\n",
-					 aq_ret, pf->hw.aq.asq_last_status);
+					 "set unicast promisc failed on %s, err %s, aq_err %s\n",
+					 vsi_name,
+					 i40e_stat_str(hw, aq_ret),
+					 i40e_aq_str(hw,
+						     hw->aq.asq_last_status));
 			}
 			aq_ret = i40e_aq_set_vsi_multicast_promiscuous(
-							  &vsi->back->hw,
+							  hw,
 							  vsi->seid,
 							  cur_promisc, NULL);
 			if (aq_ret) {
 				retval =
 				i40e_aq_rc_to_posix(aq_ret,
-						    pf->hw.aq.asq_last_status);
+						    hw->aq.asq_last_status);
 				dev_info(&pf->pdev->dev,
-					 "set multicast promisc failed, err %d, aq_err %d\n",
-					 aq_ret, pf->hw.aq.asq_last_status);
+					 "set multicast promisc failed on %s, err %s, aq_err %s\n",
+					 vsi_name,
+					 i40e_stat_str(hw, aq_ret),
+					 i40e_aq_str(hw,
+						     hw->aq.asq_last_status));
 			}
 		}
 		aq_ret = i40e_aq_set_vsi_broadcast(&vsi->back->hw,
@@ -2154,9 +2182,9 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 						     pf->hw.aq.asq_last_status);
 			dev_info(&pf->pdev->dev,
 				 "set brdcast promisc failed, err %s, aq_err %s\n",
-				 i40e_stat_str(&pf->hw, aq_ret),
-				 i40e_aq_str(&pf->hw,
-					     pf->hw.aq.asq_last_status));
+					 i40e_stat_str(hw, aq_ret),
+					 i40e_aq_str(hw,
+						     hw->aq.asq_last_status));
 		}
 	}
 out:
@@ -3947,6 +3975,7 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi)
 			/* clear the affinity_mask in the IRQ descriptor */
 			irq_set_affinity_hint(pf->msix_entries[vector].vector,
 					      NULL);
+			synchronize_irq(pf->msix_entries[vector].vector);
 			free_irq(pf->msix_entries[vector].vector,
 				 vsi->q_vectors[i]);
 
@@ -4953,7 +4982,6 @@ static void i40e_dcb_reconfigure(struct i40e_pf *pf)
 			if (pf->vsi[v]->netdev)
 				i40e_dcbnl_set_all(pf->vsi[v]);
 		}
-		i40e_notify_client_of_l2_param_changes(pf->vsi[v]);
 	}
 }
 
@@ -5178,12 +5206,6 @@ static void i40e_vsi_reinit_locked(struct i40e_vsi *vsi)
 		usleep_range(1000, 2000);
 	i40e_down(vsi);
 
-	/* Give a VF some time to respond to the reset.  The
-	 * two second wait is based upon the watchdog cycle in
-	 * the VF driver.
-	 */
-	if (vsi->type == I40E_VSI_SRIOV)
-		msleep(2000);
 	i40e_up(vsi);
 	clear_bit(__I40E_CONFIG_BUSY, &pf->state);
 }
@@ -5226,6 +5248,9 @@ void i40e_down(struct i40e_vsi *vsi)
 		i40e_clean_tx_ring(vsi->tx_rings[i]);
 		i40e_clean_rx_ring(vsi->rx_rings[i]);
 	}
+
+	i40e_notify_client_of_netdev_close(vsi, false);
+
 }
 
 /**
@@ -5704,6 +5729,8 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf,
 		i40e_service_event_schedule(pf);
 	} else {
 		i40e_pf_unquiesce_all_vsi(pf);
+		/* Notify the client for the DCB changes */
+		i40e_notify_client_of_l2_param_changes(pf->vsi[pf->lan_vsi]);
 	}
 
 exit:
@@ -5928,7 +5955,6 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf)
 		if (I40E_DEBUG_FD & pf->hw.debug_mask)
 			dev_info(&pf->pdev->dev, "FD Filter table flushed and FD-SB replayed.\n");
 	}
-
 }
 
 /**
@@ -7160,7 +7186,7 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi)
 		vsi->alloc_queue_pairs = 1;
 		vsi->num_desc = ALIGN(I40E_FDIR_RING_COUNT,
 				      I40E_REQ_DESCRIPTOR_MULTIPLE);
-		vsi->num_q_vectors = 1;
+		vsi->num_q_vectors = pf->num_fdsb_msix;
 		break;
 
 	case I40E_VSI_VMDQ2:
@@ -7544,9 +7570,11 @@ static int i40e_init_msix(struct i40e_pf *pf)
 	/* reserve one vector for sideband flow director */
 	if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
 		if (vectors_left) {
+			pf->num_fdsb_msix = 1;
 			v_budget++;
 			vectors_left--;
 		} else {
+			pf->num_fdsb_msix = 0;
 			pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
 		}
 	}
@@ -8565,7 +8593,9 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features)
 		/* Enable filters and mark for reset */
 		if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
 			need_reset = true;
-		pf->flags |= I40E_FLAG_FD_SB_ENABLED;
+		/* enable FD_SB only if there is MSI-X vector */
+		if (pf->num_fdsb_msix > 0)
+			pf->flags |= I40E_FLAG_FD_SB_ENABLED;
 	} else {
 		/* turn off filters, mark for reset and clear SW filter list */
 		if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
@@ -10053,14 +10083,14 @@ void i40e_veb_release(struct i40e_veb *veb)
 static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi)
 {
 	struct i40e_pf *pf = veb->pf;
-	bool is_default = veb->pf->cur_promisc;
 	bool enable_stats = !!(pf->flags & I40E_FLAG_VEB_STATS_ENABLED);
 	int ret;
 
-	/* get a VEB from the hardware */
 	ret = i40e_aq_add_veb(&pf->hw, veb->uplink_seid, vsi->seid,
-			      veb->enabled_tc, is_default,
+			      veb->enabled_tc, false,
 			      &veb->seid, enable_stats, NULL);
+
+	/* get a VEB from the hardware */
 	if (ret) {
 		dev_info(&pf->pdev->dev,
 			 "couldn't add VEB, err %s aq_err %s\n",
@@ -11441,6 +11471,7 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct i40e_pf *pf = pci_get_drvdata(pdev);
 	struct i40e_hw *hw = &pf->hw;
+	int retval = 0;
 
 	set_bit(__I40E_SUSPENDED, &pf->state);
 	set_bit(__I40E_DOWN, &pf->state);
@@ -11452,10 +11483,16 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state)
 	wr32(hw, I40E_PFPM_APM, (pf->wol_en ? I40E_PFPM_APM_APME_MASK : 0));
 	wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0));
 
+	i40e_stop_misc_vector(pf);
+
+	retval = pci_save_state(pdev);
+	if (retval)
+		return retval;
+
 	pci_wake_from_d3(pdev, pf->wol_en);
 	pci_set_power_state(pdev, PCI_D3hot);
 
-	return 0;
+	return retval;
 }
 
 /**