14 files changed, 142 insertions, 44 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index cf7b3887da1d..a80336c4319b 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1006,6 +1006,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
 {
 	u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
 	    link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
+	u16 max_ltr_enc_d = 0;	/* maximum LTR decoded by platform */
+	u16 lat_enc_d = 0;	/* latency decoded */
 	u16 lat_enc = 0;	/* latency encoded */
 
 	if (link) {
@@ -1059,7 +1061,17 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
 				     E1000_PCI_LTR_CAP_LPT + 2, &max_nosnoop);
 		max_ltr_enc = max_t(u16, max_snoop, max_nosnoop);
 
-		if (lat_enc > max_ltr_enc)
+		lat_enc_d = (lat_enc & E1000_LTRV_VALUE_MASK) *
+			     (1U << (E1000_LTRV_SCALE_FACTOR *
+			     ((lat_enc & E1000_LTRV_SCALE_MASK)
+			     >> E1000_LTRV_SCALE_SHIFT)));
+
+		max_ltr_enc_d = (max_ltr_enc & E1000_LTRV_VALUE_MASK) *
+				 (1U << (E1000_LTRV_SCALE_FACTOR *
+				 ((max_ltr_enc & E1000_LTRV_SCALE_MASK)
+				 >> E1000_LTRV_SCALE_SHIFT)));
+
+		if (lat_enc_d > max_ltr_enc_d)
 			lat_enc = max_ltr_enc;
 	}
 
@@ -4115,13 +4127,17 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		return ret_val;
 
 	if (!(data & valid_csum_mask)) {
-		data |= valid_csum_mask;
-		ret_val = e1000_write_nvm(hw, word, 1, &data);
-		if (ret_val)
-			return ret_val;
-		ret_val = e1000e_update_nvm_checksum(hw);
-		if (ret_val)
-			return ret_val;
+		e_dbg("NVM Checksum Invalid\n");
+
+		if (hw->mac.type < e1000_pch_cnp) {
+			data |= valid_csum_mask;
+			ret_val = e1000_write_nvm(hw, word, 1, &data);
+			if (ret_val)
+				return ret_val;
+			ret_val = e1000e_update_nvm_checksum(hw);
+			if (ret_val)
+				return ret_val;
+		}
 	}
 
 	return e1000e_validate_nvm_checksum_generic(hw);
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index 1502895eb45d..e757896287eb 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -274,8 +274,11 @@
 
 /* Latency Tolerance Reporting */
 #define E1000_LTRV			0x000F8
+#define E1000_LTRV_VALUE_MASK		0x000003FF
 #define E1000_LTRV_SCALE_MAX		5
 #define E1000_LTRV_SCALE_FACTOR		5
+#define E1000_LTRV_SCALE_SHIFT		10
+#define E1000_LTRV_SCALE_MASK		0x00001C00
 #define E1000_LTRV_REQ_SHIFT		15
 #define E1000_LTRV_NOSNOOP_SHIFT	16
 #define E1000_LTRV_SEND			(1 << 30)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 3f25bd8c4924..10a83e5385c7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3663,8 +3663,7 @@ u16 i40e_lan_select_queue(struct net_device *netdev,
 
 	/* is DCB enabled at all? */
 	if (vsi->tc_config.numtc == 1)
-		return i40e_swdcb_skb_tx_hash(netdev, skb,
-					      netdev->real_num_tx_queues);
+		return netdev_pick_tx(netdev, skb, sb_dev);
 
 	prio = skb->priority;
 	hw = &vsi->back->hw;
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index e8bd04100ecd..90793b36126e 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -136,6 +136,7 @@ struct iavf_q_vector {
 struct iavf_mac_filter {
 	struct list_head list;
 	u8 macaddr[ETH_ALEN];
+	bool is_new_mac;	/* filter is new, wait for PF decision */
 	bool remove;		/* filter needs to be removed */
 	bool add;		/* filter needs to be added */
 };
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 44bafedd09f2..606a01ce4073 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -751,6 +751,7 @@ struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
 
 		list_add_tail(&f->list, &adapter->mac_filter_list);
 		f->add = true;
+		f->is_new_mac = true;
 		adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER;
 	} else {
 		f->remove = false;
@@ -1506,11 +1507,6 @@ static int iavf_reinit_interrupt_scheme(struct iavf_adapter *adapter)
 	set_bit(__IAVF_VSI_DOWN, adapter->vsi.state);
 
 	iavf_map_rings_to_vectors(adapter);
-
-	if (RSS_AQ(adapter))
-		adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_RSS;
-	else
-		err = iavf_init_rss(adapter);
 err:
 	return err;
 }
@@ -2200,6 +2196,14 @@ continue_reset:
 			goto reset_err;
 	}
 
+	if (RSS_AQ(adapter)) {
+		adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_RSS;
+	} else {
+		err = iavf_init_rss(adapter);
+		if (err)
+			goto reset_err;
+	}
+
 	adapter->aq_required |= IAVF_FLAG_AQ_GET_CONFIG;
 	adapter->aq_required |= IAVF_FLAG_AQ_MAP_VECTORS;
 
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
index 0eab3c43bdc5..3c735968e1b8 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
@@ -541,6 +541,47 @@ void iavf_del_ether_addrs(struct iavf_adapter *adapter)
 }
 
 /**
+ * iavf_mac_add_ok
+ * @adapter: adapter structure
+ *
+ * Submit list of filters based on PF response.
+ **/
+static void iavf_mac_add_ok(struct iavf_adapter *adapter)
+{
+	struct iavf_mac_filter *f, *ftmp;
+
+	spin_lock_bh(&adapter->mac_vlan_list_lock);
+	list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+		f->is_new_mac = false;
+	}
+	spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
+/**
+ * iavf_mac_add_reject
+ * @adapter: adapter structure
+ *
+ * Remove filters from list based on PF response.
+ **/
+static void iavf_mac_add_reject(struct iavf_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct iavf_mac_filter *f, *ftmp;
+
+	spin_lock_bh(&adapter->mac_vlan_list_lock);
+	list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+		if (f->remove && ether_addr_equal(f->macaddr, netdev->dev_addr))
+			f->remove = false;
+
+		if (f->is_new_mac) {
+			list_del(&f->list);
+			kfree(f);
+		}
+	}
+	spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
+/**
  * iavf_add_vlans
  * @adapter: adapter structure
  *
@@ -1492,6 +1533,7 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
 		case VIRTCHNL_OP_ADD_ETH_ADDR:
 			dev_err(&adapter->pdev->dev, "Failed to add MAC filter, error %s\n",
 				iavf_stat_str(&adapter->hw, v_retval));
+			iavf_mac_add_reject(adapter);
 			/* restore administratively set MAC address */
 			ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
 			break;
@@ -1639,10 +1681,11 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
 		}
 	}
 	switch (v_opcode) {
-	case VIRTCHNL_OP_ADD_ETH_ADDR: {
+	case VIRTCHNL_OP_ADD_ETH_ADDR:
+		if (!v_retval)
+			iavf_mac_add_ok(adapter);
 		if (!ether_addr_equal(netdev->dev_addr, adapter->hw.mac.addr))
 			ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
-		}
 		break;
 	case VIRTCHNL_OP_GET_STATS: {
 		struct iavf_eth_stats *stats =
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index a450343fbb92..eadcb9958346 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -234,6 +234,7 @@ enum ice_pf_state {
 	ICE_VFLR_EVENT_PENDING,
 	ICE_FLTR_OVERFLOW_PROMISC,
 	ICE_VF_DIS,
+	ICE_VF_DEINIT_IN_PROGRESS,
 	ICE_CFG_BUSY,
 	ICE_SERVICE_SCHED,
 	ICE_SERVICE_DIS,
diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.c b/drivers/net/ethernet/intel/ice/ice_devlink.c
index 91b545ab8b8f..7fe6e8ea39f0 100644
--- a/drivers/net/ethernet/intel/ice/ice_devlink.c
+++ b/drivers/net/ethernet/intel/ice/ice_devlink.c
@@ -42,7 +42,9 @@ static int ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx)
 
 	status = ice_read_pba_string(hw, (u8 *)ctx->buf, sizeof(ctx->buf));
 	if (status)
-		return -EIO;
+		/* We failed to locate the PBA, so just skip this entry */
+		dev_dbg(ice_pf_to_dev(pf), "Failed to read Product Board Assembly string, status %s\n",
+			ice_stat_str(status));
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index ef8d1815af56..fe2ded775f25 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -191,6 +191,14 @@ static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
 	struct ice_netdev_priv *np = netdev_priv(netdev);
 	struct ice_vsi *vsi = np->vsi;
 
+	/* Under some circumstances, we might receive a request to delete our
+	 * own device address from our uc list. Because we store the device
+	 * address in the VSI's MAC filter list, we need to ignore such
+	 * requests and not delete our device address from this list.
+	 */
+	if (ether_addr_equal(addr, netdev->dev_addr))
+		return 0;
+
 	if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr,
 				     ICE_FWD_TO_VSI))
 		return -EINVAL;
@@ -4194,6 +4202,11 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
 	struct ice_hw *hw;
 	int i, err;
 
+	if (pdev->is_virtfn) {
+		dev_err(dev, "can't probe a virtual function\n");
+		return -EINVAL;
+	}
+
 	/* this driver uses devres, see
 	 * Documentation/driver-api/driver-model/devres.rst
 	 */
@@ -5119,7 +5132,7 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
 		return -EADDRNOTAVAIL;
 
 	if (ether_addr_equal(netdev->dev_addr, mac)) {
-		netdev_warn(netdev, "already using mac %pM\n", mac);
+		netdev_dbg(netdev, "already using mac %pM\n", mac);
 		return 0;
 	}
 
@@ -5130,6 +5143,7 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
 		return -EBUSY;
 	}
 
+	netif_addr_lock_bh(netdev);
 	/* Clean up old MAC filter. Not an error if old filter doesn't exist */
 	status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI);
 	if (status && status != ICE_ERR_DOES_NOT_EXIST) {
@@ -5139,30 +5153,28 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
 
 	/* Add filter for new MAC. If filter exists, return success */
 	status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI);
-	if (status == ICE_ERR_ALREADY_EXISTS) {
+	if (status == ICE_ERR_ALREADY_EXISTS)
 		/* Although this MAC filter is already present in hardware it's
 		 * possible in some cases (e.g. bonding) that dev_addr was
 		 * modified outside of the driver and needs to be restored back
 		 * to this value.
 		 */
-		memcpy(netdev->dev_addr, mac, netdev->addr_len);
 		netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac);
-		return 0;
-	}
-
-	/* error if the new filter addition failed */
-	if (status)
+	else if (status)
+		/* error if the new filter addition failed */
 		err = -EADDRNOTAVAIL;
 
 err_update_filters:
 	if (err) {
 		netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
 			   mac);
+		netif_addr_unlock_bh(netdev);
 		return err;
 	}
 
 	/* change the netdev's MAC address */
 	memcpy(netdev->dev_addr, mac, netdev->addr_len);
+	netif_addr_unlock_bh(netdev);
 	netdev_dbg(vsi->netdev, "updated MAC address to %pM\n",
 		   netdev->dev_addr);
 
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 5d5207b56ca9..9e3ddb9b8b51 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -656,7 +656,7 @@ static int ice_ptp_cfg_clkout(struct ice_pf *pf, unsigned int chan,
 	 * maintaining phase
 	 */
 	if (start_time < current_time)
-		start_time = div64_u64(current_time + NSEC_PER_MSEC - 1,
+		start_time = div64_u64(current_time + NSEC_PER_SEC - 1,
 				       NSEC_PER_SEC) * NSEC_PER_SEC + phase;
 
 	start_time -= E810_OUT_PROP_DELAY_NS;
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 2826570dab51..e93430ab37f1 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -615,6 +615,8 @@ void ice_free_vfs(struct ice_pf *pf)
 	struct ice_hw *hw = &pf->hw;
 	unsigned int tmp, i;
 
+	set_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state);
+
 	if (!pf->vf)
 		return;
 
@@ -680,6 +682,7 @@ void ice_free_vfs(struct ice_pf *pf)
 				i);
 
 	clear_bit(ICE_VF_DIS, pf->state);
+	clear_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state);
 	clear_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
 }
 
@@ -4415,6 +4418,10 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
 	struct device *dev;
 	int err = 0;
 
+	/* if de-init is underway, don't process messages from VF */
+	if (test_bit(ICE_VF_DEINIT_IN_PROGRESS, pf->state))
+		return;
+
 	dev = ice_pf_to_dev(pf);
 	if (ice_validate_vf_id(pf, vf_id)) {
 		err = -EINVAL;
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index e29aadbc6744..ed2d66bc2d6c 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -149,6 +149,9 @@ static void igc_release_hw_control(struct igc_adapter *adapter)
 	struct igc_hw *hw = &adapter->hw;
 	u32 ctrl_ext;
 
+	if (!pci_device_is_present(adapter->pdev))
+		return;
+
 	/* Let firmware take over control of h/w */
 	ctrl_ext = rd32(IGC_CTRL_EXT);
 	wr32(IGC_CTRL_EXT,
@@ -4449,26 +4452,29 @@ void igc_down(struct igc_adapter *adapter)
 
 	igc_ptp_suspend(adapter);
 
-	/* disable receives in the hardware */
-	rctl = rd32(IGC_RCTL);
-	wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN);
-	/* flush and sleep below */
-
+	if (pci_device_is_present(adapter->pdev)) {
+		/* disable receives in the hardware */
+		rctl = rd32(IGC_RCTL);
+		wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN);
+		/* flush and sleep below */
+	}
 	/* set trans_start so we don't get spurious watchdogs during reset */
 	netif_trans_update(netdev);
 
 	netif_carrier_off(netdev);
 	netif_tx_stop_all_queues(netdev);
 
-	/* disable transmits in the hardware */
-	tctl = rd32(IGC_TCTL);
-	tctl &= ~IGC_TCTL_EN;
-	wr32(IGC_TCTL, tctl);
-	/* flush both disables and wait for them to finish */
-	wrfl();
-	usleep_range(10000, 20000);
+	if (pci_device_is_present(adapter->pdev)) {
+		/* disable transmits in the hardware */
+		tctl = rd32(IGC_TCTL);
+		tctl &= ~IGC_TCTL_EN;
+		wr32(IGC_TCTL, tctl);
+		/* flush both disables and wait for them to finish */
+		wrfl();
+		usleep_range(10000, 20000);
 
-	igc_irq_disable(adapter);
+		igc_irq_disable(adapter);
+	}
 
 	adapter->flags &= ~IGC_FLAG_NEED_LINK_UPDATE;
 
@@ -5489,7 +5495,7 @@ static bool validate_schedule(struct igc_adapter *adapter,
 		if (e->command != TC_TAPRIO_CMD_SET_GATES)
 			return false;
 
-		for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+		for (i = 0; i < adapter->num_tx_queues; i++) {
 			if (e->gate_mask & BIT(i))
 				queue_uses[i]++;
 
@@ -5546,7 +5552,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter,
 
 		end_time += e->interval;
 
-		for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+		for (i = 0; i < adapter->num_tx_queues; i++) {
 			struct igc_ring *ring = adapter->tx_ring[i];
 
 			if (!(e->gate_mask & BIT(i)))
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 69617d2c1be2..4ae19c6a3247 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -849,7 +849,8 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
 	adapter->ptp_tx_skb = NULL;
 	clear_bit_unlock(__IGC_PTP_TX_IN_PROGRESS, &adapter->state);
 
-	igc_ptp_time_save(adapter);
+	if (pci_device_is_present(adapter->pdev))
+		igc_ptp_time_save(adapter);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 96dd1a4f956a..b1d22e4d5ec9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -52,8 +52,11 @@ static int ixgbe_xsk_pool_enable(struct ixgbe_adapter *adapter,
 
 		/* Kick start the NAPI context so that receiving will start */
 		err = ixgbe_xsk_wakeup(adapter->netdev, qid, XDP_WAKEUP_RX);
-		if (err)
+		if (err) {
+			clear_bit(qid, adapter->af_xdp_zc_qps);
+			xsk_pool_dma_unmap(pool, IXGBE_RX_DMA_ATTR);
 			return err;
+		}
 	}
 
 	return 0;