--- zzzz-none-000/linux-3.10.107/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c	2021-02-04 17:41:59.000000000 +0000
@@ -14,9 +14,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  *
  * The full GNU General Public License is included in this distribution
  * in the file called "COPYING".
@@ -101,7 +99,7 @@
 	{PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
 	.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
 
-static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
+static const struct pci_device_id netxen_pci_tbl[] = {
 	ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
 	ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
 	ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
@@ -178,9 +176,7 @@
 static void
 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
 {
-	if (recv_ctx->sds_rings != NULL)
-		kfree(recv_ctx->sds_rings);
-
+	kfree(recv_ctx->sds_rings);
 	recv_ctx->sds_rings = NULL;
 }
 
@@ -197,7 +193,7 @@
 	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 		sds_ring = &recv_ctx->sds_rings[ring];
 		netif_napi_add(netdev, &sds_ring->napi,
-				netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+				netxen_nic_poll, NAPI_POLL_WEIGHT);
 	}
 
 	return 0;
@@ -459,16 +455,14 @@
 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
 {
 	u32 control;
-	int pos;
 
-	pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
-	if (pos) {
-		pci_read_config_dword(pdev, pos, &control);
+	if (pdev->msix_cap) {
+		pci_read_config_dword(pdev, pdev->msix_cap, &control);
 		if (enable)
 			control |= PCI_MSIX_FLAGS_ENABLE;
 		else
 			control = 0;
-		pci_write_config_dword(pdev, pos, control);
+		pci_write_config_dword(pdev, pdev->msix_cap, control);
 	}
 }
 
@@ -592,51 +586,64 @@
 #endif
 };
 
-static void
-netxen_setup_intr(struct netxen_adapter *adapter)
+static inline bool netxen_function_zero(struct pci_dev *pdev)
 {
-	struct netxen_legacy_intr_set *legacy_intrp;
-	struct pci_dev *pdev = adapter->pdev;
-	int err, num_msix;
+	return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
+}
 
-	if (adapter->rss_supported) {
-		num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
-			MSIX_ENTRIES_PER_ADAPTER : 2;
-	} else
-		num_msix = 1;
+static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
+					     u32 mode)
+{
+	NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
+}
 
-	adapter->max_sds_rings = 1;
+static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
+{
+	return NXRD32(adapter, NETXEN_INTR_MODE_REG);
+}
 
-	adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+static void
+netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
+{
+	struct netxen_legacy_intr_set *legacy_intrp;
+	u32 tgt_status_reg, int_state_reg;
 
 	if (adapter->ahw.revision_id >= NX_P3_B0)
 		legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
 	else
 		legacy_intrp = &legacy_intr[0];
 
+	tgt_status_reg = legacy_intrp->tgt_status_reg;
+	int_state_reg = ISR_INT_STATE_REG;
+
 	adapter->int_vec_bit = legacy_intrp->int_vec_bit;
-	adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
-			legacy_intrp->tgt_status_reg);
+	adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
 	adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
-			legacy_intrp->tgt_mask_reg);
+						  legacy_intrp->tgt_mask_reg);
 	adapter->pci_int_reg = netxen_get_ioaddr(adapter,
-			legacy_intrp->pci_int_reg);
+						 legacy_intrp->pci_int_reg);
 	adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
 
 	if (adapter->ahw.revision_id >= NX_P3_B1)
 		adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
-			ISR_INT_STATE_REG);
+							       int_state_reg);
 	else
 		adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
-			CRB_INT_VECTOR);
+							       CRB_INT_VECTOR);
+}
 
-	netxen_set_msix_bit(pdev, 0);
+static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
+				       int num_msix)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	u32 value;
+	int err;
 
 	if (adapter->msix_supported) {
-
 		netxen_init_msix_entries(adapter, num_msix);
-		err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
-		if (err == 0) {
+		err = pci_enable_msix_range(pdev, adapter->msix_entries,
+					    num_msix, num_msix);
+		if (err > 0) {
 			adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
 			netxen_set_msix_bit(pdev, 1);
 
@@ -644,26 +651,59 @@
 				adapter->max_sds_rings = num_msix;
 
 			dev_info(&pdev->dev, "using msi-x interrupts\n");
-			return;
+			return 0;
 		}
-
-		if (err > 0)
-			pci_disable_msix(pdev);
-
 		/* fall through for msi */
 	}
 
 	if (use_msi && !pci_enable_msi(pdev)) {
+		value = msi_tgt_status[adapter->ahw.pci_func];
 		adapter->flags |= NETXEN_NIC_MSI_ENABLED;
-		adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
-				msi_tgt_status[adapter->ahw.pci_func]);
-		dev_info(&pdev->dev, "using msi interrupts\n");
+		adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
 		adapter->msix_entries[0].vector = pdev->irq;
-		return;
+		dev_info(&pdev->dev, "using msi interrupts\n");
+		return 0;
 	}
 
-	dev_info(&pdev->dev, "using legacy interrupts\n");
-	adapter->msix_entries[0].vector = pdev->irq;
+	dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
+	return -EIO;
+}
+
+static int netxen_setup_intr(struct netxen_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int num_msix;
+
+	if (adapter->rss_supported)
+		num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
+			    MSIX_ENTRIES_PER_ADAPTER : 2;
+	else
+		num_msix = 1;
+
+	adapter->max_sds_rings = 1;
+	adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+
+	netxen_initialize_interrupt_registers(adapter);
+	netxen_set_msix_bit(pdev, 0);
+
+	if (netxen_function_zero(pdev)) {
+		if (!netxen_setup_msi_interrupts(adapter, num_msix))
+			netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
+		else
+			netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
+	} else {
+		if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
+		    netxen_setup_msi_interrupts(adapter, num_msix)) {
+			dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
+			return -EIO;
+		}
+	}
+
+	if (!NETXEN_IS_MSI_FAMILY(adapter)) {
+		adapter->msix_entries[0].vector = pdev->irq;
+		dev_info(&pdev->dev, "using legacy interrupts\n");
+	}
+	return 0;
 }
 
 static void
@@ -841,7 +881,9 @@
 	}
 
 	if (adapter->portnum == 0) {
-		get_brd_name_by_type(adapter->ahw.board_type, brd_name);
+		if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
+						    brd_name))
+			strcpy(serial_num, "Unknown");
 
 		pr_info("%s: %s Board S/N %s  Chip rev 0x%x\n",
 				module_name(THIS_MODULE),
@@ -860,9 +902,9 @@
 		adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
 	}
 
-	dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
-			fw_major, fw_minor, fw_build,
-			adapter->ahw.cut_through ? "cut-through" : "legacy");
+	dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
+		 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
+		 adapter->ahw.cut_through ? "cut-through" : "legacy");
 
 	if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
 		adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
@@ -1142,7 +1184,6 @@
 		return;
 
 	smp_mb();
-	spin_lock(&adapter->tx_clean_lock);
 	netif_carrier_off(netdev);
 	netif_tx_disable(netdev);
 
@@ -1160,7 +1201,6 @@
 	netxen_napi_disable(adapter);
 
 	netxen_release_tx_buffers(adapter);
-	spin_unlock(&adapter->tx_clean_lock);
 }
 
 /* Usage: During suspend and firmware recovery module */
@@ -1329,7 +1369,7 @@
 
 	netxen_nic_change_mtu(netdev, netdev->mtu);
 
-	SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
+	netdev->ethtool_ops = &netxen_nic_ethtool_ops;
 
 	netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
 	                      NETIF_F_RXCSUM;
@@ -1370,6 +1410,32 @@
 	return 0;
 }
 
+#define NETXEN_ULA_ADAPTER_KEY		(0xdaddad01)
+#define NETXEN_NON_ULA_ADAPTER_KEY	(0xdaddad00)
+
+static void netxen_read_ula_info(struct netxen_adapter *adapter)
+{
+	u32 temp;
+
+	/* Print ULA info only once for an adapter */
+	if (adapter->portnum != 0)
+		return;
+
+	temp = NXRD32(adapter, NETXEN_ULA_KEY);
+	switch (temp) {
+	case NETXEN_ULA_ADAPTER_KEY:
+		dev_info(&adapter->pdev->dev, "ULA adapter");
+		break;
+	case NETXEN_NON_ULA_ADAPTER_KEY:
+		dev_info(&adapter->pdev->dev, "non ULA adapter");
+		break;
+	default:
+		break;
+	}
+
+	return;
+}
+
 #ifdef CONFIG_PCIEAER
 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
 {
@@ -1407,9 +1473,8 @@
 	u32 val;
 
 	if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
-		pr_warning("%s: chip revisions between 0x%x-0x%x "
-				"will not be enabled.\n",
-				module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
+		pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
+			module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
 		return -ENODEV;
 	}
 
@@ -1508,7 +1573,15 @@
 
 	netxen_nic_clear_stats(adapter);
 
-	netxen_setup_intr(adapter);
+	err = netxen_setup_intr(adapter);
+
+	if (err) {
+		dev_err(&adapter->pdev->dev,
+			"Failed to setup interrupts, error = %d\n", err);
+		goto err_out_disable_msi;
+	}
+
+	netxen_read_ula_info(adapter);
 
 	err = netxen_setup_netdev(adapter, netdev);
 	if (err)
@@ -1551,7 +1624,6 @@
 	pci_release_regions(pdev);
 
 err_out_disable_pdev:
-	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
 	return err;
 }
@@ -1596,7 +1668,7 @@
 	clear_bit(__NX_RESETTING, &adapter->state);
 
 	netxen_teardown_intr(adapter);
-
+	netxen_set_interrupt_mode(adapter, 0);
 	netxen_remove_diag_entries(adapter);
 
 	netxen_cleanup_pci_map(adapter);
@@ -1610,7 +1682,6 @@
 
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 
 	free_netdev(netdev);
 }
@@ -1820,9 +1891,9 @@
 		protocol = vh->h_vlan_encapsulated_proto;
 		flags = FLAGS_VLAN_TAGGED;
 
-	} else if (vlan_tx_tag_present(skb)) {
+	} else if (skb_vlan_tag_present(skb)) {
 		flags = FLAGS_VLAN_OOB;
-		vid = vlan_tx_tag_get(skb);
+		vid = skb_vlan_tag_get(skb);
 		netxen_set_tx_vlan_tci(first_desc, vid);
 		vlan_oob = 1;
 	}
@@ -2692,7 +2763,8 @@
 	if (test_bit(__NX_RESETTING, &adapter->state))
 		goto reschedule;
 
-	if (test_bit(__NX_DEV_UP, &adapter->state)) {
+	if (test_bit(__NX_DEV_UP, &adapter->state) &&
+	    !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
 		if (!adapter->has_link_events) {
 
 			netxen_nic_handle_phy_intr(adapter);
@@ -2724,7 +2796,7 @@
 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 		goto err_out;
 
-	if (strict_strtoul(buf, 2, &new))
+	if (kstrtoul(buf, 2, &new))
 		goto err_out;
 
 	if (!netxen_config_bridged_mode(adapter, !!new))
@@ -2763,7 +2835,7 @@
 	struct netxen_adapter *adapter = dev_get_drvdata(dev);
 	unsigned long new;
 
-	if (strict_strtoul(buf, 2, &new))
+	if (kstrtoul(buf, 2, &new))
 		return -EINVAL;
 
 	if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
@@ -2953,9 +3025,9 @@
 	u8 dw, rows, cols, banks, ranks;
 	u32 val;
 
-	if (size != sizeof(struct netxen_dimm_cfg)) {
+	if (size < attr->size) {
 		netdev_err(netdev, "Invalid size\n");
-		return -1;
+		return -EINVAL;
 	}
 
 	memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
@@ -3065,7 +3137,7 @@
 
 static struct bin_attribute bin_attr_dimm = {
 	.attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
-	.size = 0,
+	.size = sizeof(struct netxen_dimm_cfg),
 	.read = netxen_sysfs_read_dimm,
 };
 
@@ -3314,7 +3386,7 @@
 				 unsigned long event, void *ptr)
 {
 	struct netxen_adapter *adapter;
-	struct net_device *dev = (struct net_device *)ptr;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct net_device *orig_dev = dev;
 	struct net_device *slave;