1 files changed, 163 insertions, 104 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 6ef3f0d84bc..d854f07ef4d 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -39,7 +39,9 @@
 #include "netxen_nic_phan_reg.h"
 
 #include <linux/dma-mapping.h>
+#include <linux/if_vlan.h>
 #include <net/ip.h>
+#include <linux/ipv6.h>
 
 MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
 MODULE_LICENSE("GPL");
@@ -242,7 +244,7 @@ static void netxen_check_options(struct netxen_adapter *adapter)
 	case NETXEN_BRDTYPE_P3_4_GB:
 	case NETXEN_BRDTYPE_P3_4_GB_MM:
 		adapter->msix_supported = !!use_msi_x;
-		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
 		break;
 
 	case NETXEN_BRDTYPE_P2_SB35_4G:
@@ -251,6 +253,14 @@ static void netxen_check_options(struct netxen_adapter *adapter)
 		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
 		break;
 
+	case NETXEN_BRDTYPE_P3_10G_TP:
+		adapter->msix_supported = !!use_msi_x;
+		if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+			adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+		else
+			adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+		break;
+
 	default:
 		adapter->msix_supported = 0;
 		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
@@ -271,10 +281,15 @@ static void netxen_check_options(struct netxen_adapter *adapter)
 static int
 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
 {
-	int ret = 0;
+	u32 val, timeout;
 
 	if (first_boot == 0x55555555) {
 		/* This is the first boot after power up */
+		adapter->pci_write_normalize(adapter,
+			NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+
+		if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
+			return 0;
 
 		/* PCI bus master workaround */
 		adapter->hw_read_wx(adapter,
@@ -294,18 +309,26 @@ netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
 			/* clear the register for future unloads/loads */
 			adapter->pci_write_normalize(adapter,
 					NETXEN_CAM_RAM(0x1fc), 0);
-			ret = -1;
+			return -EIO;
 		}
 
-		if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-			/* Start P2 boot loader */
-			adapter->pci_write_normalize(adapter,
-				NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
-			adapter->pci_write_normalize(adapter,
-					NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
-		}
+		/* Start P2 boot loader */
+		val = adapter->pci_read_normalize(adapter,
+				NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
+		adapter->pci_write_normalize(adapter,
+				NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
+		timeout = 0;
+		do {
+			msleep(1);
+			val = adapter->pci_read_normalize(adapter,
+					NETXEN_CAM_RAM(0x1fc));
+
+			if (++timeout > 5000)
+				return -EIO;
+
+		} while (val == NETXEN_BDINFO_MAGIC);
 	}
-	return ret;
+	return 0;
 }
 
 static void netxen_set_port_mode(struct netxen_adapter *adapter)
@@ -439,7 +462,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
 	int i;
 	unsigned char *p;
 	__le64 mac_addr;
-	DECLARE_MAC_BUF(mac);
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 
@@ -462,15 +484,39 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
 
 	/* set station address */
 
-	if (!is_valid_ether_addr(netdev->perm_addr)) {
-		dev_warn(&pdev->dev, "Bad MAC address %s.\n",
-				print_mac(mac, netdev->dev_addr));
-	} else
+	if (!is_valid_ether_addr(netdev->perm_addr))
+		dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
+	else
 		adapter->macaddr_set(adapter, netdev->dev_addr);
 
 	return 0;
 }
 
+static void netxen_set_multicast_list(struct net_device *dev)
+{
+	struct netxen_adapter *adapter = netdev_priv(dev);
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		netxen_p3_nic_set_multi(dev);
+	else
+		netxen_p2_nic_set_multi(dev);
+}
+
+static const struct net_device_ops netxen_netdev_ops = {
+	.ndo_open	   = netxen_nic_open,
+	.ndo_stop	   = netxen_nic_close,
+	.ndo_start_xmit    = netxen_nic_xmit_frame,
+	.ndo_get_stats	   = netxen_nic_get_stats,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_set_multicast_list = netxen_set_multicast_list,
+	.ndo_set_mac_address    = netxen_nic_set_mac,
+	.ndo_change_mtu	   = netxen_nic_change_mtu,
+	.ndo_tx_timeout	   = netxen_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller = netxen_nic_poll_controller,
+#endif
+};
+
 /*
  * netxen_nic_probe()
  *
@@ -543,7 +589,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	SET_NETDEV_DEV(netdev, &pdev->dev);
 
-	adapter = netdev->priv;
+	adapter = netdev_priv(netdev);
 	adapter->netdev  = netdev;
 	adapter->pdev    = pdev;
 	adapter->ahw.pci_func  = pci_func_id;
@@ -682,25 +728,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	else
 		adapter->max_mc_count = 16;
 
-	netdev->open		   = netxen_nic_open;
-	netdev->stop		   = netxen_nic_close;
-	netdev->hard_start_xmit    = netxen_nic_xmit_frame;
-	netdev->get_stats	   = netxen_nic_get_stats;
-	if (NX_IS_REVISION_P3(revision_id))
-		netdev->set_multicast_list = netxen_p3_nic_set_multi;
-	else
-		netdev->set_multicast_list = netxen_p2_nic_set_multi;
-	netdev->set_mac_address    = netxen_nic_set_mac;
-	netdev->change_mtu	   = netxen_nic_change_mtu;
-	netdev->tx_timeout	   = netxen_tx_timeout;
+	netdev->netdev_ops	   = &netxen_netdev_ops;
 	netdev->watchdog_timeo     = 2*HZ;
 
 	netxen_nic_change_mtu(netdev, netdev->mtu);
 
 	SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	netdev->poll_controller = netxen_nic_poll_controller;
-#endif
+
 	/* ScatterGather support */
 	netdev->features = NETIF_F_SG;
 	netdev->features |= NETIF_F_IP_CSUM;
@@ -773,8 +807,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 						CRB_CMDPEG_STATE, 0);
 			netxen_pinit_from_rom(adapter, 0);
 			msleep(1);
-			netxen_load_firmware(adapter);
 		}
+		netxen_load_firmware(adapter);
 
 		if (NX_IS_REVISION_P3(revision_id))
 			netxen_pcie_strap_init(adapter);
@@ -790,13 +824,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 		}
 
-		if ((first_boot == 0x55555555) &&
-			(NX_IS_REVISION_P2(revision_id))) {
-			/* Unlock the HW, prompting the boot sequence */
-			adapter->pci_write_normalize(adapter,
-					NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
-		}
-
 		err = netxen_initialize_adapter_offload(adapter);
 		if (err)
 			goto err_out_iounmap;
@@ -810,7 +837,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
 
 		/* Handshake with the card before we register the devices. */
-		netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+		err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+		if (err)
+			goto err_out_free_offload;
 
 	}	/* first_driver */
 
@@ -914,6 +943,7 @@ err_out_disable_msi:
 	if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
 		pci_disable_msi(pdev);
 
+err_out_free_offload:
 	if (first_driver)
 		netxen_free_adapter_offload(adapter);
 
@@ -957,6 +987,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 		netxen_free_hw_resources(adapter);
 		netxen_release_rx_buffers(adapter);
 		netxen_free_sw_resources(adapter);
+
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+			netxen_p3_free_mac_list(adapter);
 	}
 
 	if (adapter->portnum == 0)
@@ -972,8 +1005,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	iounmap(adapter->ahw.db_base);
 	iounmap(adapter->ahw.pci_base0);
-	iounmap(adapter->ahw.pci_base1);
-	iounmap(adapter->ahw.pci_base2);
+	if (adapter->ahw.pci_base1 != NULL)
+		iounmap(adapter->ahw.pci_base1);
+	if (adapter->ahw.pci_base2 != NULL)
+		iounmap(adapter->ahw.pci_base2);
 
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
@@ -988,7 +1023,7 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
  */
 static int netxen_nic_open(struct net_device *netdev)
 {
-	struct netxen_adapter *adapter = (struct netxen_adapter *)netdev->priv;
+	struct netxen_adapter *adapter = netdev_priv(netdev);
 	int err = 0;
 	int ctx, ring;
 	irq_handler_t handler;
@@ -1077,7 +1112,7 @@ static int netxen_nic_open(struct net_device *netdev)
 
 	netxen_nic_set_link_parameters(adapter);
 
-	netdev->set_multicast_list(netdev);
+	netxen_set_multicast_list(netdev);
 	if (adapter->set_mtu)
 		adapter->set_mtu(adapter, netdev->mtu);
 
@@ -1126,29 +1161,64 @@ static int netxen_nic_close(struct net_device *netdev)
 	return 0;
 }
 
-void netxen_tso_check(struct netxen_adapter *adapter,
+static bool netxen_tso_check(struct net_device *netdev,
 		      struct cmd_desc_type0 *desc, struct sk_buff *skb)
 {
-	if (desc->mss) {
-		desc->total_hdr_length = (sizeof(struct ethhdr) +
-					  ip_hdrlen(skb) + tcp_hdrlen(skb));
+	bool tso = false;
+	u8 opcode = TX_ETHER_PKT;
 
-		if ((NX_IS_REVISION_P3(adapter->ahw.revision_id)) &&
-				(skb->protocol == htons(ETH_P_IPV6)))
-			netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO6);
-		else
-			netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
+	if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
+			skb_shinfo(skb)->gso_size > 0) {
+
+		desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
+		desc->total_hdr_length =
+			skb_transport_offset(skb) + tcp_hdrlen(skb);
+
+		opcode = (skb->protocol == htons(ETH_P_IPV6)) ?
+				TX_TCP_LSO6 : TX_TCP_LSO;
+		tso = true;
 
 	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
-			netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
-		else if (ip_hdr(skb)->protocol == IPPROTO_UDP)
-			netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
-		else
-			return;
+		u8 l4proto;
+
+		if (skb->protocol == 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)) {
+			l4proto = ipv6_hdr(skb)->nexthdr;
+
+			if (l4proto == IPPROTO_TCP)
+				opcode = TX_TCPV6_PKT;
+			else if(l4proto == IPPROTO_UDP)
+				opcode = TX_UDPV6_PKT;
+		}
 	}
 	desc->tcp_hdr_offset = skb_transport_offset(skb);
 	desc->ip_hdr_offset = skb_network_offset(skb);
+	netxen_set_tx_flags_opcode(desc, 0, opcode);
+	return tso;
+}
+
+static void
+netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
+		struct netxen_cmd_buffer *pbuf, int last)
+{
+	int k;
+	struct netxen_skb_frag *buffrag;
+
+	buffrag = &pbuf->frag_array[0];
+	pci_unmap_single(pdev, buffrag->dma,
+			buffrag->length, PCI_DMA_TODEVICE);
+
+	for (k = 1; k < last; k++) {
+		buffrag = &pbuf->frag_array[k];
+		pci_unmap_page(pdev, buffrag->dma,
+			buffrag->length, PCI_DMA_TODEVICE);
+	}
 }
 
 static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
@@ -1156,33 +1226,22 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	struct netxen_adapter *adapter = netdev_priv(netdev);
 	struct netxen_hardware_context *hw = &adapter->ahw;
 	unsigned int first_seg_len = skb->len - skb->data_len;
+	struct netxen_cmd_buffer *pbuf;
 	struct netxen_skb_frag *buffrag;
-	unsigned int i;
+	struct cmd_desc_type0 *hwdesc;
+	struct pci_dev *pdev = adapter->pdev;
+	dma_addr_t temp_dma;
+	int i, k;
 
 	u32 producer, consumer;
-	u32 saved_producer = 0;
-	struct cmd_desc_type0 *hwdesc;
-	int k;
-	struct netxen_cmd_buffer *pbuf = NULL;
-	int frag_count;
-	int no_of_desc;
+	int frag_count, no_of_desc;
 	u32 num_txd = adapter->max_tx_desc_count;
+	bool is_tso = false;
 
 	frag_count = skb_shinfo(skb)->nr_frags + 1;
 
 	/* There 4 fragments per descriptor */
 	no_of_desc = (frag_count + 3) >> 2;
-	if (netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) {
-		if (skb_shinfo(skb)->gso_size > 0) {
-
-			no_of_desc++;
-			if ((ip_hdrlen(skb) + tcp_hdrlen(skb) +
-			     sizeof(struct ethhdr)) >
-			    (sizeof(struct cmd_desc_type0) - 2)) {
-				no_of_desc++;
-			}
-		}
-	}
 
 	producer = adapter->cmd_producer;
 	smp_mb();
@@ -1194,34 +1253,26 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	}
 
 	/* Copy the descriptors into the hardware    */
-	saved_producer = producer;
 	hwdesc = &hw->cmd_desc_head[producer];
 	memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
 	/* Take skb->data itself */
 	pbuf = &adapter->cmd_buf_arr[producer];
-	if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
-			skb_shinfo(skb)->gso_size > 0) {
-		pbuf->mss = skb_shinfo(skb)->gso_size;
-		hwdesc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
-	} else {
-		pbuf->mss = 0;
-		hwdesc->mss = 0;
-	}
-	pbuf->total_length = skb->len;
+
+	is_tso = netxen_tso_check(netdev, hwdesc, skb);
+
 	pbuf->skb = skb;
-	pbuf->cmd = TX_ETHER_PKT;
 	pbuf->frag_count = frag_count;
-	pbuf->port = adapter->portnum;
 	buffrag = &pbuf->frag_array[0];
-	buffrag->dma = pci_map_single(adapter->pdev, skb->data, first_seg_len,
+	temp_dma = pci_map_single(pdev, skb->data, first_seg_len,
 				      PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(pdev, temp_dma))
+		goto drop_packet;
+
+	buffrag->dma = temp_dma;
 	buffrag->length = first_seg_len;
-	netxen_set_cmd_desc_totallength(hwdesc, skb->len);
-	netxen_set_cmd_desc_num_of_buff(hwdesc, frag_count);
-	netxen_set_cmd_desc_opcode(hwdesc, TX_ETHER_PKT);
+	netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
+	netxen_set_tx_port(hwdesc, adapter->portnum);
 
-	netxen_set_cmd_desc_port(hwdesc, adapter->portnum);
-	netxen_set_cmd_desc_ctxid(hwdesc, adapter->portnum);
 	hwdesc->buffer1_length = cpu_to_le16(first_seg_len);
 	hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
 
@@ -1229,7 +1280,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 		struct skb_frag_struct *frag;
 		int len, temp_len;
 		unsigned long offset;
-		dma_addr_t temp_dma;
 
 		/* move to next desc. if there is a need */
 		if ((i & 0x3) == 0) {
@@ -1245,8 +1295,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 		offset = frag->page_offset;
 
 		temp_len = len;
-		temp_dma = pci_map_page(adapter->pdev, frag->page, offset,
+		temp_dma = pci_map_page(pdev, frag->page, offset,
 					len, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, temp_dma)) {
+			netxen_clean_tx_dma_mapping(pdev, pbuf, i);
+			goto drop_packet;
+		}
 
 		buffrag++;
 		buffrag->dma = temp_dma;
@@ -1274,16 +1328,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	}
 	producer = get_next_index(producer, num_txd);
 
-	/* might change opcode to TX_TCP_LSO */
-	netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb);
-
 	/* For LSO, we need to copy the MAC/IP/TCP headers into
 	 * the descriptor ring
 	 */
-	if (netxen_get_cmd_desc_opcode(&hw->cmd_desc_head[saved_producer])
-	    == TX_TCP_LSO) {
+	if (is_tso) {
 		int hdr_len, first_hdr_len, more_hdr;
-		hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length;
+		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
 		if (hdr_len > (sizeof(struct cmd_desc_type0) - 2)) {
 			first_hdr_len = sizeof(struct cmd_desc_type0) - 2;
 			more_hdr = 1;
@@ -1325,6 +1375,11 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	netdev->trans_start = jiffies;
 
 	return NETDEV_TX_OK;
+
+drop_packet:
+	adapter->stats.txdropped++;
+	dev_kfree_skb_any(skb);
+	return NETDEV_TX_OK;
 }
 
 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
@@ -1396,6 +1451,8 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
 			netif_carrier_off(netdev);
 			netif_stop_queue(netdev);
 		}
+
+		netxen_nic_set_link_parameters(adapter);
 	} else if (!adapter->ahw.linkup && linkup) {
 		printk(KERN_INFO "%s: %s NIC Link is up\n",
 		       netxen_nic_driver_name, netdev->name);
@@ -1404,6 +1461,8 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
 			netif_carrier_on(netdev);
 			netif_wake_queue(netdev);
 		}
+
+		netxen_nic_set_link_parameters(adapter);
 	}
 }
 
@@ -1572,7 +1631,7 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget)
 	}
 
 	if ((work_done < budget) && tx_complete) {
-		netif_rx_complete(adapter->netdev, &adapter->napi);
+		netif_rx_complete(&adapter->napi);
 		netxen_nic_enable_int(adapter);
 	}