#include "netxen_nic_hw.h"
#include "netxen_nic.h"
-#define DEFINE_GLOBAL_RECV_CRB
#include "netxen_nic_phan_reg.h"
#include <linux/dma-mapping.h>
-#include <linux/vmalloc.h>
-
-#define PHAN_VENDOR_ID 0x4040
+#include <net/ip.h>
MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
-char netxen_nic_driver_name[] = "netxen-nic";
+char netxen_nic_driver_name[] = "netxen_nic";
static char netxen_nic_driver_string[] = "NetXen Network Driver version "
NETXEN_NIC_LINUX_VERSIONID;
#define NETXEN_ADAPTER_UP_MAGIC 777
#define NETXEN_NIC_PEG_TUNE 0
-u8 nx_p2_id = NX_P2_C0;
-
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#define DMA_35BIT_MASK 0x00000007ffffffffULL
static void netxen_tx_timeout_task(struct work_struct *work);
static void netxen_watchdog(unsigned long);
static int netxen_handle_int(struct netxen_adapter *, struct net_device *);
-static int netxen_nic_poll(struct net_device *dev, int *budget);
+static int netxen_nic_poll(struct napi_struct *napi, int budget);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void netxen_nic_poll_controller(struct net_device *netdev);
#endif
static irqreturn_t netxen_intr(int irq, void *data);
+int physical_port[] = {0, 1, 2, 3};
+
/* PCI Device ID Table */
static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
{PCI_DEVICE(0x4040, 0x0001)},
struct workqueue_struct *netxen_workq;
static void netxen_watchdog(unsigned long);
+static inline void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+ uint32_t crb_producer)
+{
+ switch (adapter->portnum) {
+ case 0:
+ writel(crb_producer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_PRODUCER_OFFSET));
+ return;
+ case 1:
+ writel(crb_producer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_PRODUCER_OFFSET_1));
+ return;
+ case 2:
+ writel(crb_producer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_PRODUCER_OFFSET_2));
+ return;
+ case 3:
+ writel(crb_producer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_PRODUCER_OFFSET_3));
+ return;
+ default:
+ printk(KERN_WARNING "We tried to update "
+ "CRB_CMD_PRODUCER_OFFSET for invalid "
+ "PCI function id %d\n",
+ adapter->portnum);
+ return;
+ }
+}
+
+static inline void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
+ u32 crb_consumer)
+{
+ switch (adapter->portnum) {
+ case 0:
+ writel(crb_consumer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_CONSUMER_OFFSET));
+ return;
+ case 1:
+ writel(crb_consumer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_CONSUMER_OFFSET_1));
+ return;
+ case 2:
+ writel(crb_consumer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_CONSUMER_OFFSET_2));
+ return;
+ case 3:
+ writel(crb_consumer, NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_CONSUMER_OFFSET_3));
+ return;
+ default:
+ printk(KERN_WARNING "We tried to update "
+ "CRB_CMD_PRODUCER_OFFSET for invalid "
+ "PCI function id %d\n",
+ adapter->portnum);
+ return;
+ }
+}
+
+#define ADAPTER_LIST_SIZE 12
+int netxen_cards_found;
+
+static void netxen_nic_disable_int(struct netxen_adapter *adapter)
+{
+ uint32_t mask = 0x7ff;
+ int retries = 32;
+
+ DPRINTK(1, INFO, "Entered ISR Disable \n");
+
+ switch (adapter->portnum) {
+ case 0:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0));
+ break;
+ case 1:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1));
+ break;
+ case 2:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2));
+ break;
+ case 3:
+ writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3));
+ break;
+ }
+
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT)
+ writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+
+ /* Window = 0 or 1 */
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ do {
+ writel(0xffffffff,
+ PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS));
+ mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
+ if (!(mask & 0x80))
+ break;
+ udelay(10);
+ } while (--retries);
+
+ if (!retries) {
+ printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n",
+ netxen_nic_driver_name);
+ }
+ }
+
+ DPRINTK(1, INFO, "Done with Disable Int\n");
+}
+
+static void netxen_nic_enable_int(struct netxen_adapter *adapter)
+{
+ u32 mask;
+
+ DPRINTK(1, INFO, "Entered ISR Enable \n");
+
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ mask = 0x77b;
+ break;
+ case NETXEN_NIC_XGBE:
+ mask = 0x77f;
+ break;
+ default:
+ mask = 0x7ff;
+ break;
+ }
+
+ writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+ }
+
+ switch (adapter->portnum) {
+ case 0:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0));
+ break;
+ case 1:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1));
+ break;
+ case 2:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2));
+ break;
+ case 3:
+ writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3));
+ break;
+ }
+
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ mask = 0xbff;
+ if (adapter->intr_scheme != -1 &&
+ adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+ writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ }
+ writel(mask,
+ PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK));
+ }
+
+ DPRINTK(1, INFO, "Done with enable Int\n");
+}
+
/*
* netxen_nic_probe()
*
{
struct net_device *netdev = NULL;
struct netxen_adapter *adapter = NULL;
- struct netxen_port *port = NULL;
void __iomem *mem_ptr0 = NULL;
void __iomem *mem_ptr1 = NULL;
void __iomem *mem_ptr2 = NULL;
+ unsigned long first_page_group_end;
+ unsigned long first_page_group_start;
+
u8 __iomem *db_ptr = NULL;
unsigned long mem_base, mem_len, db_base, db_len;
- int pci_using_dac, i, err;
+ int pci_using_dac, i = 0, err;
int ring;
struct netxen_recv_context *recv_ctx = NULL;
struct netxen_rcv_desc_ctx *rcv_desc = NULL;
struct netxen_cmd_buffer *cmd_buf_arr = NULL;
u64 mac_addr[FLASH_NUM_PORTS + 1];
int valid_mac = 0;
+ u32 val;
+ int pci_func_id = PCI_FUNC(pdev->devfn);
printk(KERN_INFO "%s \n", netxen_nic_driver_string);
- /* In current scheme, we use only PCI function 0 */
- if (PCI_FUNC(pdev->devfn) != 0) {
- DPRINTK(ERR, "NetXen function %d will not be enabled.\n",
- PCI_FUNC(pdev->devfn));
+
+ if (pdev->class != 0x020000) {
+ printk(KERN_ERR"NetXen function %d, class %x will not"
+ "be enabled.\n",pci_func_id, pdev->class);
return -ENODEV;
}
if ((err = pci_enable_device(pdev)))
goto err_out_disable_pdev;
pci_set_master(pdev);
- pci_read_config_byte(pdev, PCI_REVISION_ID, &nx_p2_id);
- if (nx_p2_id == NX_P2_C1 &&
+ if (pdev->revision == NX_P2_C1 &&
(pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
(pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) {
pci_using_dac = 1;
pci_using_dac = 0;
}
+
+ netdev = alloc_etherdev(sizeof(struct netxen_adapter));
+ if(!netdev) {
+ printk(KERN_ERR"%s: Failed to allocate memory for the "
+ "device block.Check system memory resource"
+ " usage.\n", netxen_nic_driver_name);
+ goto err_out_free_res;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+
+ adapter = netdev->priv;
+
+ adapter->ahw.pdev = pdev;
+ adapter->ahw.pci_func = pci_func_id;
+ spin_lock_init(&adapter->tx_lock);
+
/* remap phys address */
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
mem_len = pci_resource_len(pdev, 0);
/* 128 Meg of memory */
- mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
- mem_ptr1 =
- ioremap(mem_base + SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_SIZE);
- mem_ptr2 =
- ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
+ if (mem_len == NETXEN_PCI_128MB_SIZE) {
+ mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
+ mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
+ SECOND_PAGE_GROUP_SIZE);
+ mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
+ THIRD_PAGE_GROUP_SIZE);
+ first_page_group_start = FIRST_PAGE_GROUP_START;
+ first_page_group_end = FIRST_PAGE_GROUP_END;
+ } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
+ mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
+ mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
+ SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
+ first_page_group_start = 0;
+ first_page_group_end = 0;
+ } else {
+ err = -EIO;
+ goto err_out_free_netdev;
+ }
- if ((mem_ptr0 == 0UL) || (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) {
+ if (((mem_ptr0 == 0UL) && (mem_len == NETXEN_PCI_128MB_SIZE)) ||
+ (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) {
DPRINTK(ERR,
"Cannot remap adapter memory aborting.:"
"0 -> %p, 1 -> %p, 2 -> %p\n",
}
DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr);
-/*
- * Allocate a adapter structure which will manage all the initialization
- * as well as the common resources for all ports...
- * all the ports will have pointer to this adapter as well as Adapter
- * will have pointers of all the ports structures.
- */
+ adapter->ahw.pci_base0 = mem_ptr0;
+ adapter->ahw.first_page_group_start = first_page_group_start;
+ adapter->ahw.first_page_group_end = first_page_group_end;
+ adapter->ahw.pci_base1 = mem_ptr1;
+ adapter->ahw.pci_base2 = mem_ptr2;
+ adapter->ahw.db_base = db_ptr;
+ adapter->ahw.db_len = db_len;
- /* One adapter structure for all 4 ports.... */
- adapter = kzalloc(sizeof(struct netxen_adapter), GFP_KERNEL);
- if (adapter == NULL) {
- printk(KERN_ERR "%s: Could not allocate adapter memory:%d\n",
- netxen_nic_driver_name,
- (int)sizeof(struct netxen_adapter));
- err = -ENOMEM;
- goto err_out_dbunmap;
- }
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
+
+ netif_napi_add(netdev, &adapter->napi,
+ netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+
+ /* this will be read from FW later */
+ adapter->intr_scheme = -1;
+
+ /* This will be reset for mezz cards */
+ adapter->portnum = pci_func_id;
+ adapter->status &= ~NETXEN_NETDEV_STATUS;
+
+ 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;
+ netdev->set_multicast_list = netxen_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->watchdog_timeo = 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;
+ netdev->features |= NETIF_F_TSO;
+
+ if (pci_using_dac)
+ netdev->features |= NETIF_F_HIGHDMA;
+
+ if (pci_enable_msi(pdev))
+ adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
+ else
+ adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+
+ netdev->irq = pdev->irq;
+ INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
+
+ /*
+ * Set the CRB window to invalid. If any register in window 0 is
+ * accessed it should set the window to 0 and then reset it to 1.
+ */
+ adapter->curr_window = 255;
+
+ /* initialize the adapter */
+ netxen_initialize_adapter_hw(adapter);
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
+ /*
+ * Adapter in our case is quad port so initialize it before
+ * initializing the ports
+ */
+
+ netxen_initialize_adapter_ops(adapter);
+
+ adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
+ if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) ||
+ (adapter->ahw.boardcfg.board_type ==
+ NETXEN_BRDTYPE_P2_SB31_2G))
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+ else
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
- pci_set_drvdata(pdev, adapter);
-
cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
if (cmd_buf_arr == NULL) {
printk(KERN_ERR
goto err_out_free_adapter;
}
memset(cmd_buf_arr, 0, TX_RINGSIZE);
+ adapter->cmd_buf_arr = cmd_buf_arr;
for (i = 0; i < MAX_RCV_CTX; ++i) {
recv_ctx = &adapter->recv_ctx[i];
}
- adapter->cmd_buf_arr = cmd_buf_arr;
- adapter->ahw.pci_base0 = mem_ptr0;
- adapter->ahw.pci_base1 = mem_ptr1;
- adapter->ahw.pci_base2 = mem_ptr2;
- adapter->ahw.db_base = db_ptr;
- adapter->ahw.db_len = db_len;
- spin_lock_init(&adapter->tx_lock);
- spin_lock_init(&adapter->lock);
netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */
-#ifdef CONFIG_IA64
- netxen_pinit_from_rom(adapter, 0);
- udelay(500);
- netxen_load_firmware(adapter);
-#endif
- /*
- * Set the CRB window to invalid. If any register in window 0 is
- * accessed it should set the window to 0 and then reset it to 1.
- */
- adapter->curr_window = 255;
- /*
- * Adapter in our case is quad port so initialize it before
- * initializing the ports
- */
- netxen_initialize_adapter_hw(adapter); /* initialize the adapter */
+ /* Mezz cards have PCI function 0,2,3 enabled */
+ if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ)
+ && (pci_func_id >= 2))
+ adapter->portnum = pci_func_id - 2;
- netxen_initialize_adapter_ops(adapter);
+#ifdef CONFIG_IA64
+ if(adapter->portnum == 0) {
+ netxen_pinit_from_rom(adapter, 0);
+ udelay(500);
+ netxen_load_firmware(adapter);
+ }
+#endif
init_timer(&adapter->watchdog_timer);
adapter->ahw.xg_linkup = 0;
INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
adapter->ahw.pdev = pdev;
adapter->proc_cmd_buf_counter = 0;
- adapter->ahw.revision_id = nx_p2_id;
+ adapter->ahw.revision_id = pdev->revision;
- if (pci_enable_msi(pdev)) {
- adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
- printk(KERN_WARNING "%s: unable to allocate MSI interrupt"
- " error\n", netxen_nic_driver_name);
- } else
- adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+ /* make sure Window == 1 */
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+
+ netxen_nic_update_cmd_producer(adapter, 0);
+ netxen_nic_update_cmd_consumer(adapter, 0);
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
if (netxen_is_flash_supported(adapter) == 0 &&
netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
else
valid_mac = 0;
- /*
- * Initialize all the CRB registers here.
- */
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
-
- /* do this before waking up pegs so that we have valid dummy dma addr */
- err = netxen_initialize_adapter_offload(adapter);
- if (err) {
- goto err_out_free_dev;
- }
-
- /* Unlock the HW, prompting the boot sequence */
- writel(1,
- NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
-
- /* Handshake with the card before we register the devices. */
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
-
- /* initialize the all the ports */
- adapter->active_ports = 0;
-
- for (i = 0; i < adapter->ahw.max_ports; i++) {
- netdev = alloc_etherdev(sizeof(struct netxen_port));
- if (!netdev) {
- printk(KERN_ERR "%s: could not allocate netdev for port"
- " %d\n", netxen_nic_driver_name, i + 1);
- goto err_out_free_dev;
+ if (valid_mac) {
+ unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum];
+ netdev->dev_addr[0] = *(p + 5);
+ netdev->dev_addr[1] = *(p + 4);
+ netdev->dev_addr[2] = *(p + 3);
+ netdev->dev_addr[3] = *(p + 2);
+ netdev->dev_addr[4] = *(p + 1);
+ netdev->dev_addr[5] = *(p + 0);
+
+ memcpy(netdev->perm_addr, netdev->dev_addr,
+ netdev->addr_len);
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
+ printk(KERN_ERR "%s: Bad MAC address "
+ "%02x:%02x:%02x:%02x:%02x:%02x.\n",
+ netxen_nic_driver_name,
+ netdev->dev_addr[0],
+ netdev->dev_addr[1],
+ netdev->dev_addr[2],
+ netdev->dev_addr[3],
+ netdev->dev_addr[4],
+ netdev->dev_addr[5]);
+ } else {
+ if (adapter->macaddr_set)
+ adapter->macaddr_set(adapter,
+ netdev->dev_addr);
}
+ }
- SET_MODULE_OWNER(netdev);
- SET_NETDEV_DEV(netdev, &pdev->dev);
-
- port = netdev_priv(netdev);
- port->netdev = netdev;
- port->pdev = pdev;
- port->adapter = adapter;
- port->portnum = i; /* Gigabit port number from 0-3 */
-
- 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;
- netdev->set_multicast_list = netxen_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->watchdog_timeo = HZ;
-
- SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
- netdev->poll = netxen_nic_poll;
- netdev->weight = NETXEN_NETDEV_WEIGHT;
-#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;
- netdev->features |= NETIF_F_TSO;
-
- if (pci_using_dac)
- netdev->features |= NETIF_F_HIGHDMA;
-
- if (valid_mac) {
- unsigned char *p = (unsigned char *)&mac_addr[i];
- netdev->dev_addr[0] = *(p + 5);
- netdev->dev_addr[1] = *(p + 4);
- netdev->dev_addr[2] = *(p + 3);
- netdev->dev_addr[3] = *(p + 2);
- netdev->dev_addr[4] = *(p + 1);
- netdev->dev_addr[5] = *(p + 0);
-
- memcpy(netdev->perm_addr, netdev->dev_addr,
- netdev->addr_len);
- if (!is_valid_ether_addr(netdev->perm_addr)) {
- printk(KERN_ERR "%s: Bad MAC address "
- "%02x:%02x:%02x:%02x:%02x:%02x.\n",
- netxen_nic_driver_name,
- netdev->dev_addr[0],
- netdev->dev_addr[1],
- netdev->dev_addr[2],
- netdev->dev_addr[3],
- netdev->dev_addr[4],
- netdev->dev_addr[5]);
- } else {
- if (adapter->macaddr_set)
- adapter->macaddr_set(port,
- netdev->dev_addr);
+ if (adapter->portnum == 0) {
+ err = netxen_initialize_adapter_offload(adapter);
+ if (err)
+ goto err_out_free_rx_buffer;
+ val = readl(NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_CAM_RAM(0x1fc)));
+ if (val == 0x55555555) {
+ /* This is the first boot after power up */
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
+ if (!(val & 0x4)) {
+ val |= 0x4;
+ netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
+ if (!(val & 0x4))
+ printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
+ netxen_nic_driver_name);
}
+ val = readl(NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET));
+ printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
+ if (val != 0x80000f) {
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
+ err = -ENODEV;
+ goto err_out_free_dev;
+ }
}
- INIT_WORK(&port->tx_timeout_task, netxen_tx_timeout_task);
- netif_carrier_off(netdev);
- netif_stop_queue(netdev);
- if ((err = register_netdev(netdev))) {
- printk(KERN_ERR "%s: register_netdev failed port #%d"
- " aborting\n", netxen_nic_driver_name, i + 1);
- err = -EIO;
- free_netdev(netdev);
- goto err_out_free_dev;
- }
- adapter->port_count++;
- adapter->port[i] = port;
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_INFO "State: 0x%0x\n",
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+
+ /*
+ * Tell the hardware our version number.
+ */
+ i = (_NETXEN_NIC_LINUX_MAJOR << 16)
+ | ((_NETXEN_NIC_LINUX_MINOR << 8))
+ | (_NETXEN_NIC_LINUX_SUBVERSION);
+ writel(i, NETXEN_CRB_NORMALIZE(adapter, CRB_DRIVER_VERSION));
+
+ /* Unlock the HW, prompting the boot sequence */
+ writel(1,
+ NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+ /* Handshake with the card before we register the devices. */
+ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
}
-#ifndef CONFIG_PPC64
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- netxen_pinit_from_rom(adapter, 0);
- udelay(500);
- netxen_load_firmware(adapter);
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
-#endif
+
/*
- * delay a while to ensure that the Pegs are up & running.
- * Otherwise, we might see some flaky behaviour.
+ * See if the firmware gave us a virtual-physical port mapping.
*/
- udelay(100);
+ i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum)));
+ if (i != 0x55555555)
+ physical_port[adapter->portnum] = i;
+
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ if ((err = register_netdev(netdev))) {
+ printk(KERN_ERR "%s: register_netdev failed port #%d"
+ " aborting\n", netxen_nic_driver_name,
+ adapter->portnum);
+ err = -EIO;
+ goto err_out_free_dev;
+ }
+
+ pci_set_drvdata(pdev, adapter);
switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- printk("%s: QUAD GbE board initialized\n",
- netxen_nic_driver_name);
- break;
+ case NETXEN_NIC_GBE:
+ printk(KERN_INFO "%s: QUAD GbE board initialized\n",
+ netxen_nic_driver_name);
+ break;
- case NETXEN_NIC_XGBE:
- printk("%s: XGbE board initialized\n", netxen_nic_driver_name);
- break;
+ case NETXEN_NIC_XGBE:
+ printk(KERN_INFO "%s: XGbE board initialized\n",
+ netxen_nic_driver_name);
+ break;
}
adapter->driver_mismatch = 0;
return 0;
- err_out_free_dev:
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- pci_disable_msi(pdev);
- for (i = 0; i < adapter->port_count; i++) {
- port = adapter->port[i];
- if ((port) && (port->netdev)) {
- unregister_netdev(port->netdev);
- free_netdev(port->netdev);
- }
- }
-
- netxen_free_adapter_offload(adapter);
+err_out_free_dev:
+ if (adapter->portnum == 0)
+ netxen_free_adapter_offload(adapter);
- err_out_free_rx_buffer:
+err_out_free_rx_buffer:
for (i = 0; i < MAX_RCV_CTX; ++i) {
recv_ctx = &adapter->recv_ctx[i];
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
}
vfree(cmd_buf_arr);
- err_out_free_adapter:
+err_out_free_adapter:
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(pdev);
+
pci_set_drvdata(pdev, NULL);
- kfree(adapter);
- err_out_dbunmap:
if (db_ptr)
iounmap(db_ptr);
- err_out_iounmap:
+err_out_iounmap:
if (mem_ptr0)
iounmap(mem_ptr0);
if (mem_ptr1)
if (mem_ptr2)
iounmap(mem_ptr2);
- err_out_free_res:
+err_out_free_netdev:
+ free_netdev(netdev);
+
+err_out_free_res:
pci_release_regions(pdev);
- err_out_disable_pdev:
+
+err_out_disable_pdev:
pci_disable_device(pdev);
return err;
}
static void __devexit netxen_nic_remove(struct pci_dev *pdev)
{
struct netxen_adapter *adapter;
- struct netxen_port *port;
+ struct net_device *netdev;
struct netxen_rx_buffer *buffer;
struct netxen_recv_context *recv_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
- int i;
- int ctxid, ring;
+ int i, ctxid, ring;
+ static int init_firmware_done = 0;
adapter = pci_get_drvdata(pdev);
if (adapter == NULL)
return;
- if (adapter->irq)
- free_irq(adapter->irq, adapter);
- netxen_nic_stop_all_ports(adapter);
- /* leave the hw in the same state as reboot */
- netxen_pinit_from_rom(adapter, 0);
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- netxen_load_firmware(adapter);
- netxen_free_adapter_offload(adapter);
-
- udelay(500); /* Delay for a while to drain the DMA engines */
- for (i = 0; i < adapter->port_count; i++) {
- port = adapter->port[i];
- if ((port) && (port->netdev)) {
- unregister_netdev(port->netdev);
- free_netdev(port->netdev);
- }
- }
+ netdev = adapter->netdev;
- if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
- pci_disable_msi(pdev);
- pci_set_drvdata(pdev, NULL);
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
- netxen_free_hw_resources(adapter);
+ unregister_netdev(netdev);
- iounmap(adapter->ahw.db_base);
- iounmap(adapter->ahw.pci_base0);
- iounmap(adapter->ahw.pci_base1);
- iounmap(adapter->ahw.pci_base2);
+ if (adapter->stop_port)
+ adapter->stop_port(adapter);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
+ netxen_nic_disable_int(adapter);
+
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
+ init_firmware_done++;
+ netxen_free_hw_resources(adapter);
+ }
for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
recv_ctx = &adapter->recv_ctx[ctxid];
}
vfree(adapter->cmd_buf_arr);
- kfree(adapter);
+
+ if (adapter->portnum == 0) {
+ if (init_firmware_done) {
+ i = 100;
+ do {
+ if (dma_watchdog_shutdown_request(adapter) == 1)
+ break;
+ msleep(100);
+ if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+ break;
+ } while (--i);
+
+ if (i == 0)
+ printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+ netdev->name);
+
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_INFO "State: 0x%0x\n",
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+
+ /* leave the hw in the same state as reboot */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+ netxen_pinit_from_rom(adapter, 0);
+ msleep(1);
+ netxen_load_firmware(adapter);
+ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ }
+
+ /* clear the register for future unloads/loads */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ printk(KERN_INFO "State: 0x%0x\n",
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+
+ i = 100;
+ do {
+ if (dma_watchdog_shutdown_request(adapter) == 1)
+ break;
+ msleep(100);
+ if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+ break;
+ } while (--i);
+
+ if (i) {
+ netxen_free_adapter_offload(adapter);
+ } else {
+ printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+ netdev->name);
+ }
+ }
+
+ if (adapter->irq)
+ free_irq(adapter->irq, adapter);
+
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(pdev);
+
+ iounmap(adapter->ahw.db_base);
+ iounmap(adapter->ahw.pci_base0);
+ iounmap(adapter->ahw.pci_base1);
+ iounmap(adapter->ahw.pci_base2);
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+ free_netdev(netdev);
}
/*
*/
static int netxen_nic_open(struct net_device *netdev)
{
- struct netxen_port *port = netdev_priv(netdev);
- struct netxen_adapter *adapter = port->adapter;
+ struct netxen_adapter *adapter = (struct netxen_adapter *)netdev->priv;
int err = 0;
int ctx, ring;
return -EIO;
}
netxen_nic_flash_print(adapter);
- if (adapter->init_niu)
- adapter->init_niu(adapter);
/* setup all the resources for the Phantom... */
/* this include the descriptors for rcv, tx, and status */
err);
return err;
}
- if (adapter->init_port
- && adapter->init_port(adapter, port->portnum) != 0) {
- printk(KERN_ERR "%s: Failed to initialize port %d\n",
- netxen_nic_driver_name, port->portnum);
- netxen_free_hw_resources(adapter);
- return -EIO;
- }
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
}
adapter->irq = adapter->ahw.pdev->irq;
- err = request_irq(adapter->ahw.pdev->irq, &netxen_intr,
- IRQF_SHARED | IRQF_SAMPLE_RANDOM,
- netdev->name, adapter);
+ err = request_irq(adapter->ahw.pdev->irq, netxen_intr,
+ IRQF_SHARED|IRQF_SAMPLE_RANDOM, netdev->name,
+ adapter);
if (err) {
printk(KERN_ERR "request_irq failed with: %d\n", err);
netxen_free_hw_resources(adapter);
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
}
- adapter->active_ports++;
- if (adapter->active_ports == 1) {
- if (!adapter->driver_mismatch)
- mod_timer(&adapter->watchdog_timer, jiffies);
+ if (!adapter->driver_mismatch)
+ mod_timer(&adapter->watchdog_timer, jiffies);
- netxen_nic_enable_int(adapter);
- }
+ napi_enable(&adapter->napi);
+
+ netxen_nic_enable_int(adapter);
/* Done here again so that even if phantom sw overwrote it,
* we set it */
+ if (adapter->init_port
+ && adapter->init_port(adapter, adapter->portnum) != 0) {
+ del_timer_sync(&adapter->watchdog_timer);
+ printk(KERN_ERR "%s: Failed to initialize port %d\n",
+ netxen_nic_driver_name, adapter->portnum);
+ napi_disable(&adapter->napi);
+ return -EIO;
+ }
if (adapter->macaddr_set)
- adapter->macaddr_set(port, netdev->dev_addr);
- netxen_nic_set_link_parameters(port);
+ adapter->macaddr_set(adapter, netdev->dev_addr);
+
+ netxen_nic_set_link_parameters(adapter);
netxen_nic_set_multi(netdev);
if (adapter->set_mtu)
- adapter->set_mtu(port, netdev->mtu);
+ adapter->set_mtu(adapter, netdev->mtu);
if (!adapter->driver_mismatch)
netif_start_queue(netdev);
*/
static int netxen_nic_close(struct net_device *netdev)
{
- struct netxen_port *port = netdev_priv(netdev);
- struct netxen_adapter *adapter = port->adapter;
+ struct netxen_adapter *adapter = netdev_priv(netdev);
int i, j;
struct netxen_cmd_buffer *cmd_buff;
struct netxen_skb_frag *buffrag;
netif_carrier_off(netdev);
netif_stop_queue(netdev);
+ napi_disable(&adapter->napi);
- adapter->active_ports--;
+ netxen_nic_disable_int(adapter);
- if (!adapter->active_ports) {
- netxen_nic_disable_int(adapter);
- cmd_buff = adapter->cmd_buf_arr;
- for (i = 0; i < adapter->max_tx_desc_count; i++) {
- buffrag = cmd_buff->frag_array;
+ cmd_buff = adapter->cmd_buf_arr;
+ for (i = 0; i < adapter->max_tx_desc_count; i++) {
+ buffrag = cmd_buff->frag_array;
+ if (buffrag->dma) {
+ pci_unmap_single(adapter->pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+ buffrag->dma = 0ULL;
+ }
+ for (j = 0; j < cmd_buff->frag_count; j++) {
+ buffrag++;
if (buffrag->dma) {
- pci_unmap_single(port->pdev, buffrag->dma,
- buffrag->length,
- PCI_DMA_TODEVICE);
- buffrag->dma = (u64) NULL;
+ pci_unmap_page(adapter->pdev, buffrag->dma,
+ buffrag->length,
+ PCI_DMA_TODEVICE);
+ buffrag->dma = 0ULL;
}
- for (j = 0; j < cmd_buff->frag_count; j++) {
- buffrag++;
- if (buffrag->dma) {
- pci_unmap_page(port->pdev,
- buffrag->dma,
- buffrag->length,
- PCI_DMA_TODEVICE);
- buffrag->dma = (u64) NULL;
- }
- }
- /* Free the skb we received in netxen_nic_xmit_frame */
- if (cmd_buff->skb) {
- dev_kfree_skb_any(cmd_buff->skb);
- cmd_buff->skb = NULL;
- }
- cmd_buff++;
}
+ /* Free the skb we received in netxen_nic_xmit_frame */
+ if (cmd_buff->skb) {
+ dev_kfree_skb_any(cmd_buff->skb);
+ cmd_buff->skb = NULL;
+ }
+ cmd_buff++;
+ }
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
FLUSH_SCHEDULED_WORK();
del_timer_sync(&adapter->watchdog_timer);
}
static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
- struct netxen_port *port = netdev_priv(netdev);
- struct netxen_adapter *adapter = port->adapter;
+ 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_skb_frag *buffrag;
u32 last_cmd_consumer = 0;
int no_of_desc;
- port->stats.xmitcalled++;
+ adapter->stats.xmitcalled++;
frag_count = skb_shinfo(skb)->nr_frags + 1;
if (unlikely(skb->len <= 0)) {
dev_kfree_skb_any(skb);
- port->stats.badskblen++;
+ adapter->stats.badskblen++;
return NETDEV_TX_OK;
}
"too large, can handle only %d frags\n",
netxen_nic_driver_name, netdev->name,
frag_count, MAX_BUFFERS_PER_CMD);
- port->stats.txdropped++;
+ adapter->stats.txdropped++;
if ((++dropped_packet & 0xff) == 0xff)
printk("%s: %s droppped packets = %d\n",
netxen_nic_driver_name, netdev->name,
*/
retry_getting_window:
spin_lock_bh(&adapter->tx_lock);
- if (adapter->total_threads == MAX_XMIT_PRODUCERS) {
+ if (adapter->total_threads >= MAX_XMIT_PRODUCERS) {
spin_unlock_bh(&adapter->tx_lock);
/*
* Yield CPU
if (skb_shinfo(skb)->gso_size > 0) {
no_of_desc++;
- if (((skb->nh.iph)->ihl * sizeof(u32)) +
- ((skb->h.th)->doff * sizeof(u32)) +
- sizeof(struct ethhdr) >
+ if ((ip_hdrlen(skb) + tcp_hdrlen(skb) +
+ sizeof(struct ethhdr)) >
(sizeof(struct cmd_desc_type0) - 2)) {
no_of_desc++;
}
if ((k + no_of_desc) >=
((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count :
last_cmd_consumer)) {
- port->stats.nocmddescriptor++;
- DPRINTK(ERR, "No command descriptors available,"
- " producer = %d, consumer = %d count=%llu,"
- " dropping packet\n", producer,
- adapter->last_cmd_consumer,
- port->stats.nocmddescriptor);
-
netif_stop_queue(netdev);
- port->flags |= NETXEN_NETDEV_STATUS;
+ adapter->flags |= NETXEN_NETDEV_STATUS;
spin_unlock_bh(&adapter->tx_lock);
return NETDEV_TX_BUSY;
}
pbuf->skb = skb;
pbuf->cmd = TX_ETHER_PKT;
pbuf->frag_count = frag_count;
- pbuf->port = port->portnum;
+ pbuf->port = adapter->portnum;
buffrag = &pbuf->frag_array[0];
- buffrag->dma = pci_map_single(port->pdev, skb->data, first_seg_len,
+ buffrag->dma = pci_map_single(adapter->pdev, skb->data, first_seg_len,
PCI_DMA_TODEVICE);
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_cmd_desc_port(hwdesc, port->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);
offset = frag->page_offset;
temp_len = len;
- temp_dma = pci_map_page(port->pdev, frag->page, offset,
+ temp_dma = pci_map_page(adapter->pdev, frag->page, offset,
len, PCI_DMA_TODEVICE);
buffrag++;
/* copy the next 64 bytes - should be enough except
* for pathological case
*/
- memcpy((void *)hwdesc, (void *)(skb->data) +
- first_hdr_len, hdr_len - first_hdr_len);
+ skb_copy_from_linear_data_offset(skb, first_hdr_len,
+ hwdesc,
+ (hdr_len -
+ first_hdr_len));
producer = get_next_index(producer, max_tx_desc_count);
}
}
+
+ i = netxen_get_cmd_desc_totallength(&hw->cmd_desc_head[saved_producer]);
+
+ hw->cmd_desc_head[saved_producer].flags_opcode =
+ cpu_to_le16(hw->cmd_desc_head[saved_producer].flags_opcode);
+ hw->cmd_desc_head[saved_producer].num_of_buffers_total_length =
+ cpu_to_le32(hw->cmd_desc_head[saved_producer].
+ num_of_buffers_total_length);
+
spin_lock_bh(&adapter->tx_lock);
- port->stats.txbytes +=
- netxen_get_cmd_desc_totallength(&hw->cmd_desc_head[saved_producer]);
+ adapter->stats.txbytes += i;
+
/* Code to update the adapter considering how many producer threads
are currently working */
if ((--adapter->num_threads) == 0) {
/* This is the last thread */
u32 crb_producer = adapter->cmd_producer;
- writel(crb_producer,
- NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
+ netxen_nic_update_cmd_producer(adapter, crb_producer);
wmb();
adapter->total_threads = 0;
}
- port->stats.xmitfinished++;
+ adapter->stats.xmitfinished++;
spin_unlock_bh(&adapter->tx_lock);
netdev->trans_start = jiffies;
static void netxen_tx_timeout(struct net_device *netdev)
{
- struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
-
- SCHEDULE_WORK(&port->tx_timeout_task);
+ struct netxen_adapter *adapter = (struct netxen_adapter *)
+ netdev_priv(netdev);
+ SCHEDULE_WORK(&adapter->tx_timeout_task);
}
static void netxen_tx_timeout_task(struct work_struct *work)
{
- struct netxen_port *port =
- container_of(work, struct netxen_port, tx_timeout_task);
- struct net_device *netdev = port->netdev;
- unsigned long flags;
+ struct netxen_adapter *adapter =
+ container_of(work, struct netxen_adapter, tx_timeout_task);
printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
- netxen_nic_driver_name, netdev->name);
+ netxen_nic_driver_name, adapter->netdev->name);
- spin_lock_irqsave(&port->adapter->lock, flags);
- netxen_nic_close(netdev);
- netxen_nic_open(netdev);
- spin_unlock_irqrestore(&port->adapter->lock, flags);
- netdev->trans_start = jiffies;
- netif_wake_queue(netdev);
+ netxen_nic_close(adapter->netdev);
+ netxen_nic_open(adapter->netdev);
+ adapter->netdev->trans_start = jiffies;
+ netif_wake_queue(adapter->netdev);
}
static int
u32 ret = 0;
DPRINTK(INFO, "Entered handle ISR\n");
-
adapter->stats.ints++;
- if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
- int count = 0;
- u32 mask;
- mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
- if ((mask & 0x80) == 0) {
- /* not our interrupt */
- return ret;
- }
- netxen_nic_disable_int(adapter);
- /* Window = 0 or 1 */
- do {
- writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter,
- ISR_INT_TARGET_STATUS));
- mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
- } while (((mask & 0x80) != 0) && (++count < 32));
- if ((mask & 0x80) != 0)
- printk("Could not disable interrupt completely\n");
-
- }
- adapter->stats.hostints++;
+ netxen_nic_disable_int(adapter);
if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) {
- if (netif_rx_schedule_prep(netdev)) {
+ if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
/*
* Interrupts are already disabled.
*/
- __netif_rx_schedule(netdev);
+ __netif_rx_schedule(netdev, &adapter->napi);
} else {
static unsigned int intcount = 0;
if ((++intcount & 0xfff) == 0xfff)
- printk(KERN_ERR
+ DPRINTK(KERN_ERR
"%s: %s interrupt %d while in poll\n",
netxen_nic_driver_name, netdev->name,
intcount);
irqreturn_t netxen_intr(int irq, void *data)
{
struct netxen_adapter *adapter;
- struct netxen_port *port;
struct net_device *netdev;
- int i;
+ u32 our_int = 0;
if (unlikely(!irq)) {
return IRQ_NONE; /* Not our interrupt */
}
adapter = (struct netxen_adapter *)data;
- for (i = 0; i < adapter->ahw.max_ports; i++) {
- port = adapter->port[i];
- netdev = port->netdev;
+ netdev = adapter->netdev;
- /* process our status queue (for all 4 ports) */
- if (netif_running(netdev)) {
- netxen_handle_int(adapter, netdev);
- break;
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ /* not our interrupt */
+ if ((our_int & (0x80 << adapter->portnum)) == 0)
+ return IRQ_NONE;
+ }
+
+ if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
+ /* claim interrupt */
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ writel(our_int & ~((u32)(0x80 << adapter->portnum)),
+ NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
}
}
+ if (netif_running(netdev))
+ netxen_handle_int(adapter, netdev);
+
return IRQ_HANDLED;
}
-static int netxen_nic_poll(struct net_device *netdev, int *budget)
+static int netxen_nic_poll(struct napi_struct *napi, int budget)
{
- struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
- struct netxen_adapter *adapter = port->adapter;
- int work_to_do = min(*budget, netdev->quota);
+ struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi);
+ struct net_device *netdev = adapter->netdev;
int done = 1;
int ctx;
- int this_work_done;
- int work_done = 0;
+ int work_done;
DPRINTK(INFO, "polling for %d descriptors\n", *budget);
- port->stats.polled++;
work_done = 0;
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
* packets are on one context, it gets only half of the quota,
* and ends up not processing it.
*/
- this_work_done = netxen_process_rcv_ring(adapter, ctx,
- work_to_do /
- MAX_RCV_CTX);
- work_done += this_work_done;
+ work_done += netxen_process_rcv_ring(adapter, ctx,
+ budget / MAX_RCV_CTX);
}
- netdev->quota -= work_done;
- *budget -= work_done;
-
- if (work_done >= work_to_do && netxen_nic_rx_has_work(adapter) != 0)
+ if (work_done >= budget && netxen_nic_rx_has_work(adapter) != 0)
done = 0;
if (netxen_process_cmd_ring((unsigned long)adapter) == 0)
DPRINTK(INFO, "new work_done: %d work_to_do: %d\n",
work_done, work_to_do);
if (done) {
- netif_rx_complete(netdev);
+ netif_rx_complete(netdev, napi);
netxen_nic_enable_int(adapter);
}
- return !done;
+ return work_done;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void netxen_nic_poll_controller(struct net_device *netdev)
{
- struct netxen_port *port = netdev_priv(netdev);
- struct netxen_adapter *adapter = port->adapter;
+ struct netxen_adapter *adapter = netdev_priv(netdev);
disable_irq(adapter->irq);
netxen_intr(adapter->irq, adapter);
enable_irq(adapter->irq);
/*
* Wait for some time to allow the dma to drain, if any.
*/
+ msleep(100);
pci_unregister_driver(&netxen_driver);
destroy_workqueue(netxen_workq);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff