1 files changed, 145 insertions, 88 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index ba01524b5531..645d384fe87e 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)
@@ -712,17 +735,18 @@ 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
@@ -784,8 +808,8 @@ 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);
@@ -801,13 +825,6 @@ 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;
@@ -821,7 +838,9 @@ 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 */
 
@@ -925,6 +944,7 @@ 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);
 
@@ -968,6 +988,9 @@ 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)
@@ -983,8 +1006,10 @@ 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);
@@ -1137,29 +1162,72 @@ 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;
+        __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 ((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 = (protocol == __constant_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 (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 (protocol == __constant_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, flags, 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)
@@ -1167,33 +1235,22 @@ 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();
@@ -1205,34 +1262,26 @@ 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);
 
@@ -1240,7 +1289,6 @@ 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) {
@@ -1256,8 +1304,12 @@ 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;
@@ -1285,16 +1337,12 @@ 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;
@@ -1336,6 +1384,11 @@ 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)
@@ -1407,6 +1460,8 @@ 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);
@@ -1415,6 +1470,8 @@ 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);
         }
 }