1 files changed, 45 insertions, 84 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index d854f07ef4d3..c172b6e24a96 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -76,6 +76,7 @@ static void netxen_nic_poll_controller(struct net_device *netdev);
 #endif
 static irqreturn_t netxen_intr(int irq, void *data);
 static irqreturn_t netxen_msi_intr(int irq, void *data);
+static irqreturn_t netxen_msix_intr(int irq, void *data);
 
 /*  PCI Device ID Table  */
 #define ENTRY(device) \
@@ -200,9 +201,9 @@ static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
 		adapter->pci_using_dac = 1;
 		return 0;
 	}
+set_32_bit_mask:
 #endif /* CONFIG_IA64 */
 
-set_32_bit_mask:
 	err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 	if (!err)
 		err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
@@ -371,67 +372,6 @@ static void netxen_set_port_mode(struct netxen_adapter *adapter)
 	}
 }
 
-#define PCI_CAP_ID_GEN  0x10
-
-static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
-{
-	u32 pdevfuncsave;
-	u32 c8c9value = 0;
-	u32 chicken = 0;
-	u32 control = 0;
-	int i, pos;
-	struct pci_dev *pdev;
-
-	pdev = adapter->pdev;
-
-	adapter->hw_read_wx(adapter,
-		NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
-	/* clear chicken3.25:24 */
-	chicken &= 0xFCFFFFFF;
-	/*
-	 * if gen1 and B0, set F1020 - if gen 2, do nothing
-	 * if gen2 set to F1000
-	 */
-	pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
-	if (pos == 0xC0) {
-		pci_read_config_dword(pdev, pos + 0x10, &control);
-		if ((control & 0x000F0000) != 0x00020000) {
-			/*  set chicken3.24 if gen1 */
-			chicken |= 0x01000000;
-		}
-		printk(KERN_INFO "%s Gen2 strapping detected\n",
-				netxen_nic_driver_name);
-		c8c9value = 0xF1000;
-	} else {
-		/* set chicken3.24 if gen1 */
-		chicken |= 0x01000000;
-		printk(KERN_INFO "%s Gen1 strapping detected\n",
-				netxen_nic_driver_name);
-		if (adapter->ahw.revision_id == NX_P3_B0)
-			c8c9value = 0xF1020;
-		else
-			c8c9value = 0;
-
-	}
-	adapter->hw_write_wx(adapter,
-		NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
-
-	if (!c8c9value)
-		return;
-
-	pdevfuncsave = pdev->devfn;
-	if (pdevfuncsave & 0x07)
-		return;
-
-	for (i = 0; i < 8; i++) {
-		pci_read_config_dword(pdev, pos + 8, &control);
-		pci_read_config_dword(pdev, pos + 8, &control);
-		pci_write_config_dword(pdev, pos + 8, c8c9value);
-		pdev->devfn++;
-	}
-	pdev->devfn = pdevfuncsave;
-}
-
 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
 {
 	u32 control;
@@ -465,9 +405,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 
-	if (netxen_is_flash_supported(adapter) != 0)
-		return -EIO;
-
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 		if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
 			return -EIO;
@@ -648,7 +585,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
 		adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
 
-		mem_ptr0 = ioremap(mem_base, mem_len);
+		mem_ptr0 = pci_ioremap_bar(pdev, 0);
+		if (mem_ptr0 == NULL) {
+			dev_err(&pdev->dev, "failed to map PCI bar 0\n");
+			return -EIO;
+		}
+
 		pci_len0 = mem_len;
 		first_page_group_start = 0;
 		first_page_group_end   = 0;
@@ -735,17 +677,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
 
-	/* ScatterGather support */
-	netdev->features = NETIF_F_SG;
-	netdev->features |= NETIF_F_IP_CSUM;
-	netdev->features |= NETIF_F_TSO;
+	netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+	netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+
 	if (NX_IS_REVISION_P3(revision_id)) {
-		netdev->features |= NETIF_F_IPV6_CSUM;
-		netdev->features |= NETIF_F_TSO6;
+		netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
+		netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
 	}
 
-	if (adapter->pci_using_dac)
+	if (adapter->pci_using_dac) {
 		netdev->features |= NETIF_F_HIGHDMA;
+		netdev->vlan_features |= NETIF_F_HIGHDMA;
+	}
 
 	/*
 	 * Set the CRB window to invalid. If any register in window 0 is
@@ -810,9 +753,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		}
 		netxen_load_firmware(adapter);
 
-		if (NX_IS_REVISION_P3(revision_id))
-			netxen_pcie_strap_init(adapter);
-
 		if (NX_IS_REVISION_P2(revision_id)) {
 
 			/* Initialize multicast addr pool owners */
@@ -857,9 +797,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * See if the firmware gave us a virtual-physical port mapping.
 	 */
 	adapter->physical_port = adapter->portnum;
-	i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
-	if (i != 0x55555555)
-		adapter->physical_port = i;
+	if (adapter->fw_major < 4) {
+		i = adapter->pci_read_normalize(adapter,
+				CRB_V2P(adapter->portnum));
+		if (i != 0x55555555)
+			adapter->physical_port = i;
+	}
 
 	adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
 
@@ -1083,7 +1026,9 @@ static int netxen_nic_open(struct net_device *netdev)
 			for (ring = 0; ring < adapter->max_rds_rings; ring++)
 				netxen_post_rx_buffers(adapter, ctx, ring);
 		}
-		if (NETXEN_IS_MSI_FAMILY(adapter))
+		if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+			handler = netxen_msix_intr;
+		else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
 			handler = netxen_msi_intr;
 		else {
 			flags |= IRQF_SHARED;
@@ -1166,6 +1111,14 @@ static bool netxen_tso_check(struct net_device *netdev,
 {
 	bool tso = false;
 	u8 opcode = TX_ETHER_PKT;
+	__be16 protocol = skb->protocol;
+	u16 flags = 0;
+
+	if (protocol == __constant_htons(ETH_P_8021Q)) {
+		struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data;
+		protocol = vh->h_vlan_encapsulated_proto;
+		flags = FLAGS_VLAN_TAGGED;
+	}
 
 	if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
 			skb_shinfo(skb)->gso_size > 0) {
@@ -1174,21 +1127,21 @@ static bool netxen_tso_check(struct net_device *netdev,
 		desc->total_hdr_length =
 			skb_transport_offset(skb) + tcp_hdrlen(skb);
 
-		opcode = (skb->protocol == htons(ETH_P_IPV6)) ?
+		opcode = (protocol == __constant_htons(ETH_P_IPV6)) ?
 				TX_TCP_LSO6 : TX_TCP_LSO;
 		tso = true;
 
 	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		u8 l4proto;
 
-		if (skb->protocol == htons(ETH_P_IP)) {
+		if (protocol == __constant_htons(ETH_P_IP)) {
 			l4proto = ip_hdr(skb)->protocol;
 
 			if (l4proto == IPPROTO_TCP)
 				opcode = TX_TCP_PKT;
 			else if(l4proto == IPPROTO_UDP)
 				opcode = TX_UDP_PKT;
-		} else if (skb->protocol == htons(ETH_P_IPV6)) {
+		} else if (protocol == __constant_htons(ETH_P_IPV6)) {
 			l4proto = ipv6_hdr(skb)->nexthdr;
 
 			if (l4proto == IPPROTO_TCP)
@@ -1199,7 +1152,7 @@ static bool netxen_tso_check(struct net_device *netdev,
 	}
 	desc->tcp_hdr_offset = skb_transport_offset(skb);
 	desc->ip_hdr_offset = skb_network_offset(skb);
-	netxen_set_tx_flags_opcode(desc, 0, opcode);
+	netxen_set_tx_flags_opcode(desc, flags, opcode);
 	return tso;
 }
 
@@ -1603,6 +1556,14 @@ static irqreturn_t netxen_msi_intr(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+static irqreturn_t netxen_msix_intr(int irq, void *data)
+{
+	struct netxen_adapter *adapter = data;
+
+	napi_schedule(&adapter->napi);
+	return IRQ_HANDLED;
+}
+
 static int netxen_nic_poll(struct napi_struct *napi, int budget)
 {
 	struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi);