/*
* Copyright (C) 2003 - 2009 NetXen, Inc.
+ * Copyright (C) 2009 - QLogic Corporation.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* MA 02111-1307, USA.
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.
- *
- * Contact Information:
- * info@netxen.com
- * NetXen Inc,
- * 18922 Forge Drive
- * Cupertino, CA 95014-0701
+ * in the file called "COPYING".
*
*/
#include <net/ip.h>
#include <linux/ipv6.h>
#include <linux/inetdevice.h>
+#include <linux/sysfs.h>
+#include <linux/aer.h>
-MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
+MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
+MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
char netxen_nic_driver_name[] = "netxen_nic";
-static char netxen_nic_driver_string[] = "NetXen Network Driver version "
+static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
NETXEN_NIC_LINUX_VERSIONID;
static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
static int use_msi_x = 1;
-/* Local functions to NetXen NIC driver */
+static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
+module_param(auto_fw_reset, int, 0644);
+MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
+
static int __devinit netxen_nic_probe(struct pci_dev *pdev,
const struct pci_device_id *ent);
static void __devexit netxen_nic_remove(struct pci_dev *pdev);
static int netxen_nic_open(struct net_device *netdev);
static int netxen_nic_close(struct net_device *netdev);
-static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *);
+static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
+ struct net_device *);
static void netxen_tx_timeout(struct net_device *netdev);
-static void netxen_reset_task(struct work_struct *work);
-static void netxen_watchdog(unsigned long);
+static void netxen_tx_timeout_task(struct work_struct *work);
+static void netxen_fw_poll_work(struct work_struct *work);
+static void netxen_schedule_work(struct netxen_adapter *adapter,
+ work_func_t func, int delay);
+static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
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 void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
+static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
+static void netxen_create_diag_entries(struct netxen_adapter *adapter);
+static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
+
+static int nx_dev_request_aer(struct netxen_adapter *adapter);
+static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
+static int netxen_can_start_firmware(struct netxen_adapter *adapter);
+
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);
+static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
+
/* PCI Device ID Table */
#define ENTRY(device) \
{PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
-static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
-static void netxen_watchdog(unsigned long);
-
static uint32_t crb_cmd_producer[4] = {
CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
struct nx_host_tx_ring *tx_ring)
{
- NXWR32(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
+ NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) {
netif_stop_queue(adapter->netdev);
netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
struct nx_host_tx_ring *tx_ring)
{
- NXWR32(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
+ NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
}
static uint32_t msi_tgt_status[8] = {
{
struct netxen_adapter *adapter = sds_ring->adapter;
- NXWR32(adapter, sds_ring->crb_intr_mask, 0);
+ NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
}
static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
{
struct netxen_adapter *adapter = sds_ring->adapter;
- NXWR32(adapter, sds_ring->crb_intr_mask, 0x1);
+ NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
if (!NETXEN_IS_MSI_FAMILY(adapter))
- adapter->pci_write_immediate(adapter,
- adapter->legacy_intr.tgt_mask_reg, 0xfbff);
+ NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
}
static int
return err;
}
-static void
-netxen_check_options(struct netxen_adapter *adapter)
-{
- if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
- adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
- adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
- } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
- adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
- adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
- }
-
- adapter->msix_supported = 0;
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- adapter->msix_supported = !!use_msi_x;
- adapter->rss_supported = !!use_msi_x;
- } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) {
- switch (adapter->ahw.board_type) {
- case NETXEN_BRDTYPE_P2_SB31_10G:
- case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
- adapter->msix_supported = !!use_msi_x;
- adapter->rss_supported = !!use_msi_x;
- break;
- default:
- break;
- }
- }
-
- adapter->num_txd = MAX_CMD_DESCRIPTORS;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
- adapter->max_rds_rings = 3;
- } else {
- adapter->num_lro_rxd = 0;
- adapter->max_rds_rings = 2;
- }
-}
-
static int
netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
{
if (!(first_boot & 0x4)) {
first_boot |= 0x4;
NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
- first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
+ NXRD32(adapter, NETXEN_PCIE_REG(0x4));
}
/* This is the first boot after power up */
{
int i;
unsigned char *p;
- __le64 mac_addr;
+ u64 mac_addr;
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
netdev->dev_addr[i] = *(p + 5 - i);
memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
+ memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
/* set station address */
netxen_napi_disable(adapter);
}
+ memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
adapter->macaddr_set(adapter, addr->sa_data);
legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
else
legacy_intrp = &legacy_intr[0];
- adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
- adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
- adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
- adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_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_mask_reg = netxen_get_ioaddr(adapter,
+ legacy_intrp->tgt_mask_reg);
+ adapter->pci_int_reg = netxen_get_ioaddr(adapter,
+ 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);
+ else
+ adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
+ CRB_INT_VECTOR);
netxen_set_msix_bit(pdev, 0);
if (use_msi && !pci_enable_msi(pdev)) {
adapter->flags |= NETXEN_NIC_MSI_ENABLED;
- adapter->msi_tgt_status =
- msi_tgt_status[adapter->ahw.pci_func];
+ adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
+ msi_tgt_status[adapter->ahw.pci_func]);
dev_info(&pdev->dev, "using msi interrupts\n");
adapter->msix_entries[0].vector = pdev->irq;
return;
void __iomem *mem_ptr2 = NULL;
void __iomem *db_ptr = NULL;
- unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0;
+ resource_size_t mem_base, db_base;
+ unsigned long mem_len, db_len = 0, pci_len0 = 0;
struct pci_dev *pdev = adapter->pdev;
int pci_func = adapter->ahw.pci_func;
* 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->ahw.qdr_sn_window = -1;
- adapter->ahw.ddr_mn_window = -1;
+ adapter->ahw.crb_win = -1;
+ adapter->ahw.ocm_win = -1;
/* remap phys address */
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
mem_len = pci_resource_len(pdev, 0);
- pci_len0 = 0;
-
- adapter->hw_write_wx = netxen_nic_hw_write_wx_128M;
- adapter->hw_read_wx = netxen_nic_hw_read_wx_128M;
- adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M;
- adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M;
- adapter->pci_set_window = netxen_nic_pci_set_window_128M;
- adapter->pci_mem_read = netxen_nic_pci_mem_read_128M;
- adapter->pci_mem_write = netxen_nic_pci_mem_write_128M;
/* 128 Meg of memory */
if (mem_len == NETXEN_PCI_128MB_SIZE) {
SECOND_PAGE_GROUP_SIZE);
mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
THIRD_PAGE_GROUP_SIZE);
+ pci_len0 = FIRST_PAGE_GROUP_SIZE;
} 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);
} else if (mem_len == NETXEN_PCI_2MB_SIZE) {
- adapter->hw_write_wx = netxen_nic_hw_write_wx_2M;
- adapter->hw_read_wx = netxen_nic_hw_read_wx_2M;
- adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M;
- adapter->pci_write_immediate =
- netxen_nic_pci_write_immediate_2M;
- adapter->pci_set_window = netxen_nic_pci_set_window_2M;
- adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
- adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
mem_ptr0 = pci_ioremap_bar(pdev, 0);
if (mem_ptr0 == NULL) {
return -EIO;
}
pci_len0 = mem_len;
-
- adapter->ahw.ddr_mn_window = 0;
- adapter->ahw.qdr_sn_window = 0;
-
- adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
- (pci_func * 0x20);
- adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
- if (pci_func < 4)
- adapter->ahw.ms_win_crb += (pci_func * 0x20);
- else
- adapter->ahw.ms_win_crb +=
- 0xA0 + ((pci_func - 4) * 0x10);
} else {
return -EIO;
}
+ netxen_setup_hwops(adapter);
+
dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
adapter->ahw.pci_base0 = mem_ptr0;
adapter->ahw.pci_base1 = mem_ptr1;
adapter->ahw.pci_base2 = mem_ptr2;
+ if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
+ adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
+ NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
+
+ } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
+ NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
+ }
+
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
goto skip_doorbell;
return err;
}
+static void
+netxen_check_options(struct netxen_adapter *adapter)
+{
+ u32 fw_major, fw_minor, fw_build;
+ char brd_name[NETXEN_MAX_SHORT_NAME];
+ char serial_num[32];
+ int i, offset, val;
+ int *ptr32;
+ struct pci_dev *pdev = adapter->pdev;
+
+ adapter->driver_mismatch = 0;
+
+ ptr32 = (int *)&serial_num;
+ offset = NX_FW_SERIAL_NUM_OFFSET;
+ for (i = 0; i < 8; i++) {
+ if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
+ dev_err(&pdev->dev, "error reading board info\n");
+ adapter->driver_mismatch = 1;
+ return;
+ }
+ ptr32[i] = cpu_to_le32(val);
+ offset += sizeof(u32);
+ }
+
+ fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
+ fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
+ fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
+
+ adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
+
+ if (adapter->portnum == 0) {
+ get_brd_name_by_type(adapter->ahw.board_type, brd_name);
+
+ pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
+ module_name(THIS_MODULE),
+ brd_name, serial_num, adapter->ahw.revision_id);
+ }
+
+ if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
+ adapter->driver_mismatch = 1;
+ dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
+ fw_major, fw_minor, fw_build);
+ return;
+ }
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ i = NXRD32(adapter, NETXEN_SRE_MISC);
+ 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");
+
+ if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
+ adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
+
+ adapter->flags &= ~NETXEN_NIC_LRO_ENABLED;
+
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
+ adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
+ } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
+ adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
+ }
+
+ adapter->msix_supported = 0;
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ adapter->msix_supported = !!use_msi_x;
+ adapter->rss_supported = !!use_msi_x;
+ } else {
+ u32 flashed_ver = 0;
+ netxen_rom_fast_read(adapter,
+ NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
+ flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
+
+ if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
+ switch (adapter->ahw.board_type) {
+ case NETXEN_BRDTYPE_P2_SB31_10G:
+ case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+ adapter->msix_supported = !!use_msi_x;
+ adapter->rss_supported = !!use_msi_x;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ adapter->num_txd = MAX_CMD_DESCRIPTORS;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
+ adapter->max_rds_rings = 3;
+ } else {
+ adapter->num_lro_rxd = 0;
+ adapter->max_rds_rings = 2;
+ }
+}
+
static int
-netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
+netxen_start_firmware(struct netxen_adapter *adapter)
{
int val, err, first_boot;
struct pci_dev *pdev = adapter->pdev;
- int first_driver = 0;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- first_driver = (adapter->portnum == 0);
- else
- first_driver = (adapter->ahw.pci_func == 0);
+ /* required for NX2031 dummy dma */
+ err = nx_set_dma_mask(adapter);
+ if (err)
+ return err;
- if (!first_driver)
+ if (!netxen_can_start_firmware(adapter))
goto wait_init;
first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
return err;
}
- if (request_fw)
- netxen_request_firmware(adapter);
+ netxen_request_firmware(adapter);
err = netxen_need_fw_reset(adapter);
if (err < 0)
- return err;
+ goto err_out;
if (err == 0)
goto wait_init;
if (first_boot != 0x55555555) {
NXWR32(adapter, CRB_CMDPEG_STATE, 0);
- netxen_pinit_from_rom(adapter, 0);
+ netxen_pinit_from_rom(adapter);
msleep(1);
}
NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
+ NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
+ NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
+
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_set_port_mode(adapter);
- netxen_load_firmware(adapter);
+ err = netxen_load_firmware(adapter);
+ if (err)
+ goto err_out;
+
+ netxen_release_firmware(adapter);
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
err = netxen_init_dummy_dma(adapter);
if (err)
- return err;
+ goto err_out;
/*
* Tell the hardware our version number.
err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
if (err) {
netxen_free_dummy_dma(adapter);
- return err;
+ goto err_out;
}
+ NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
+
nx_update_dma_mask(adapter);
- netxen_nic_get_firmware_info(adapter);
+ netxen_check_options(adapter);
- return 0;
+ adapter->need_fw_reset = 0;
+
+ /* fall through and release firmware */
+
+err_out:
+ netxen_release_firmware(adapter);
+ return err;
}
static int
NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
}
+/* with rtnl_lock */
static int
-netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
+__netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
{
int err;
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ return -EIO;
+
err = adapter->init_port(adapter, adapter->physical_port);
if (err) {
printk(KERN_ERR "%s: Failed to initialize port %d\n",
return err;
}
if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- adapter->macaddr_set(adapter, netdev->dev_addr);
+ adapter->macaddr_set(adapter, adapter->mac_addr);
adapter->set_multi(netdev);
adapter->set_mtu(adapter, netdev->mtu);
else
netxen_nic_set_link_parameters(adapter);
- mod_timer(&adapter->watchdog_timer, jiffies);
-
+ set_bit(__NX_DEV_UP, &adapter->state);
return 0;
}
+/* Usage: During resume and firmware recovery module.*/
+
+static inline int
+netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ int err = 0;
+
+ rtnl_lock();
+ if (netif_running(netdev))
+ err = __netxen_nic_up(adapter, netdev);
+ rtnl_unlock();
+
+ return err;
+}
+
+/* with rtnl_lock */
static void
-netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
+__netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
{
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ return;
+
+ if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
+ return;
+
+ smp_mb();
spin_lock(&adapter->tx_clean_lock);
netif_carrier_off(netdev);
netif_tx_disable(netdev);
netxen_release_tx_buffers(adapter);
spin_unlock(&adapter->tx_clean_lock);
-
- del_timer_sync(&adapter->watchdog_timer);
}
+/* Usage: During suspend and firmware recovery module */
+
+static inline void
+netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ rtnl_lock();
+ if (netif_running(netdev))
+ __netxen_nic_down(adapter, netdev);
+ rtnl_unlock();
+
+}
static int
netxen_nic_attach(struct netxen_adapter *adapter)
return err;
}
- netxen_nic_clear_stats(adapter);
-
err = netxen_alloc_hw_resources(adapter);
if (err) {
printk(KERN_ERR "%s: Error in setting hw resources\n",
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
tx_ring = adapter->tx_ring;
- tx_ring->crb_cmd_producer = crb_cmd_producer[adapter->portnum];
- tx_ring->crb_cmd_consumer = crb_cmd_consumer[adapter->portnum];
+ tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
+ crb_cmd_producer[adapter->portnum]);
+ tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
+ crb_cmd_consumer[adapter->portnum]);
tx_ring->producer = 0;
tx_ring->sw_consumer = 0;
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_nic_init_coalesce_defaults(adapter);
+ netxen_create_sysfs_entries(adapter);
+
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
return 0;
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
return;
+ netxen_remove_sysfs_entries(adapter);
+
netxen_free_hw_resources(adapter);
netxen_release_rx_buffers(adapter);
netxen_nic_free_irq(adapter);
int err = 0;
struct net_device *netdev = adapter->netdev;
+ if (test_and_set_bit(__NX_RESETTING, &adapter->state))
+ return -EBUSY;
+
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
+ netif_device_detach(netdev);
+
if (netif_running(netdev))
- netxen_nic_down(adapter, netdev);
+ __netxen_nic_down(adapter, netdev);
netxen_nic_detach(adapter);
- err = netxen_nic_attach(adapter);
- if (err)
- goto done;
+ if (netif_running(netdev)) {
+ err = netxen_nic_attach(adapter);
+ if (!err)
+ err = __netxen_nic_up(adapter, netdev);
- if (netif_running(netdev))
- err = netxen_nic_up(adapter, netdev);
+ if (err)
+ goto done;
+ }
+
+ netif_device_attach(netdev);
}
+
done:
+ clear_bit(__NX_RESETTING, &adapter->state);
return err;
}
netdev->irq = adapter->msix_entries[0].vector;
- err = netxen_napi_add(adapter, netdev);
- if (err)
- return err;
-
- init_timer(&adapter->watchdog_timer);
- adapter->watchdog_timer.function = &netxen_watchdog;
- adapter->watchdog_timer.data = (unsigned long)adapter;
- INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
- INIT_WORK(&adapter->tx_timeout_task, netxen_reset_task);
+ INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
if (netxen_read_mac_addr(adapter))
dev_warn(&pdev->dev, "failed to read mac addr\n");
int pci_func_id = PCI_FUNC(pdev->devfn);
uint8_t revision_id;
- if (pdev->class != 0x020000) {
- printk(KERN_DEBUG "NetXen function %d, class %x will not "
- "be enabled.\n",pci_func_id, pdev->class);
- return -ENODEV;
- }
-
if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
- printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x"
+ pr_warning("%s: chip revisions between 0x%x-0x%x"
"will not be enabled.\n",
- NX_P3_A0, NX_P3_B1);
+ module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
return -ENODEV;
}
if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
goto err_out_disable_pdev;
+ if (NX_IS_REVISION_P3(pdev->revision))
+ pci_enable_pcie_error_reporting(pdev);
+
pci_set_master(pdev);
netdev = alloc_etherdev(sizeof(struct netxen_adapter));
revision_id = pdev->revision;
adapter->ahw.revision_id = revision_id;
- err = nx_set_dma_mask(adapter);
- if (err)
- goto err_out_free_netdev;
+ rwlock_init(&adapter->ahw.crb_lock);
+ spin_lock_init(&adapter->ahw.mem_lock);
- rwlock_init(&adapter->adapter_lock);
spin_lock_init(&adapter->tx_clean_lock);
INIT_LIST_HEAD(&adapter->mac_list);
goto err_out_iounmap;
}
- netxen_initialize_adapter_ops(adapter);
-
/* Mezz cards have PCI function 0,2,3 enabled */
switch (adapter->ahw.board_type) {
case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
break;
}
- err = netxen_start_firmware(adapter, 1);
+ err = netxen_start_firmware(adapter);
if (err)
- goto err_out_iounmap;
+ goto err_out_decr_ref;
/*
* See if the firmware gave us a virtual-physical port mapping.
adapter->physical_port = i;
}
- netxen_check_options(adapter);
+ netxen_nic_clear_stats(adapter);
netxen_setup_intr(adapter);
pci_set_drvdata(pdev, adapter);
+ netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
+
switch (adapter->ahw.port_type) {
case NETXEN_NIC_GBE:
dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
break;
}
+ netxen_create_diag_entries(adapter);
+
return 0;
err_out_disable_msi:
netxen_free_dummy_dma(adapter);
+err_out_decr_ref:
+ nx_decr_dev_ref_cnt(adapter);
+
err_out_iounmap:
netxen_cleanup_pci_map(adapter);
netdev = adapter->netdev;
+ netxen_cancel_fw_work(adapter);
+
unregister_netdev(netdev);
- cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->tx_timeout_task);
netxen_nic_detach(adapter);
+ nx_decr_dev_ref_cnt(adapter);
+
if (adapter->portnum == 0)
netxen_free_dummy_dma(adapter);
+ clear_bit(__NX_RESETTING, &adapter->state);
+
netxen_teardown_intr(adapter);
+ netxen_remove_diag_entries(adapter);
+
netxen_cleanup_pci_map(adapter);
netxen_release_firmware(adapter);
+ if (NX_IS_REVISION_P3(pdev->revision))
+ pci_disable_pcie_error_reporting(pdev);
+
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
free_netdev(netdev);
}
-static int __netxen_nic_shutdown(struct pci_dev *pdev)
+
+static void netxen_nic_detach_func(struct netxen_adapter *adapter)
{
- struct netxen_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
- int retval;
netif_device_detach(netdev);
+ netxen_cancel_fw_work(adapter);
+
if (netif_running(netdev))
netxen_nic_down(adapter, netdev);
- cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->tx_timeout_task);
netxen_nic_detach(adapter);
if (adapter->portnum == 0)
netxen_free_dummy_dma(adapter);
- retval = pci_save_state(pdev);
- if (retval)
- return retval;
-
- if (netxen_nic_wol_supported(adapter)) {
- pci_enable_wake(pdev, PCI_D3cold, 1);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- }
-
- pci_disable_device(pdev);
-
- return 0;
-}
-static void netxen_nic_shutdown(struct pci_dev *pdev)
-{
- if (__netxen_nic_shutdown(pdev))
- return;
-}
-#ifdef CONFIG_PM
-static int
-netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- int retval;
-
- retval = __netxen_nic_shutdown(pdev);
- if (retval)
- return retval;
+ nx_decr_dev_ref_cnt(adapter);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
- return 0;
+ clear_bit(__NX_RESETTING, &adapter->state);
}
-static int
-netxen_nic_resume(struct pci_dev *pdev)
+static int netxen_nic_attach_func(struct pci_dev *pdev)
{
struct netxen_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
int err;
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
-
err = pci_enable_device(pdev);
if (err)
return err;
- adapter->curr_window = 255;
+ pci_set_power_state(pdev, PCI_D0);
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
+
+ adapter->ahw.crb_win = -1;
+ adapter->ahw.ocm_win = -1;
- err = netxen_start_firmware(adapter, 0);
+ err = netxen_start_firmware(adapter);
if (err) {
dev_err(&pdev->dev, "failed to start firmware\n");
return err;
if (netif_running(netdev)) {
err = netxen_nic_attach(adapter);
if (err)
- return err;
+ goto err_out;
err = netxen_nic_up(adapter, netdev);
if (err)
- return err;
+ goto err_out_detach;
- netif_device_attach(netdev);
+ netxen_config_indev_addr(netdev, NETDEV_UP);
}
+ netif_device_attach(netdev);
+ netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
return 0;
+
+err_out_detach:
+ netxen_nic_detach(adapter);
+err_out:
+ nx_decr_dev_ref_cnt(adapter);
+ return err;
}
-#endif
-static int netxen_nic_open(struct net_device *netdev)
+static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- int err = 0;
+ struct netxen_adapter *adapter = pci_get_drvdata(pdev);
- if (adapter->driver_mismatch)
- return -EIO;
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
- err = netxen_nic_attach(adapter);
- if (err)
- return err;
+ if (nx_dev_request_aer(adapter))
+ return PCI_ERS_RESULT_RECOVERED;
- err = netxen_nic_up(adapter, netdev);
- if (err)
- goto err_out;
+ netxen_nic_detach_func(adapter);
- netif_start_queue(netdev);
+ pci_disable_device(pdev);
+
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
+{
+ int err = 0;
+
+ err = netxen_nic_attach_func(pdev);
+
+ return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
+}
+
+static void netxen_io_resume(struct pci_dev *pdev)
+{
+ pci_cleanup_aer_uncorrect_error_status(pdev);
+}
+
+static void netxen_nic_shutdown(struct pci_dev *pdev)
+{
+ struct netxen_adapter *adapter = pci_get_drvdata(pdev);
+
+ netxen_nic_detach_func(adapter);
+
+ if (pci_save_state(pdev))
+ return;
+
+ if (netxen_nic_wol_supported(adapter)) {
+ pci_enable_wake(pdev, PCI_D3cold, 1);
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ }
+
+ pci_disable_device(pdev);
+}
+
+#ifdef CONFIG_PM
+static int
+netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct netxen_adapter *adapter = pci_get_drvdata(pdev);
+ int retval;
+
+ netxen_nic_detach_func(adapter);
+
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
+
+ if (netxen_nic_wol_supported(adapter)) {
+ pci_enable_wake(pdev, PCI_D3cold, 1);
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ }
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
+
+static int
+netxen_nic_resume(struct pci_dev *pdev)
+{
+ return netxen_nic_attach_func(pdev);
+}
+#endif
+
+static int netxen_nic_open(struct net_device *netdev)
+{
+ struct netxen_adapter *adapter = netdev_priv(netdev);
+ int err = 0;
+
+ if (adapter->driver_mismatch)
+ return -EIO;
+
+ err = netxen_nic_attach(adapter);
+ if (err)
+ return err;
+
+ err = __netxen_nic_up(adapter, netdev);
+ if (err)
+ goto err_out;
+
+ netif_start_queue(netdev);
return 0;
{
struct netxen_adapter *adapter = netdev_priv(netdev);
- netxen_nic_down(adapter, netdev);
+ __netxen_nic_down(adapter, netdev);
return 0;
}
return 0;
unwind:
- while (i > 0) {
- nf = &pbuf->frag_array[i];
+ while (--i >= 0) {
+ nf = &pbuf->frag_array[i+1];
pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
}
desc[2] = 0ULL;
}
-static int
+static netdev_tx_t
netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
/* 4 fragments per cmd des */
no_of_desc = (frag_count + 3) >> 2;
- if (unlikely(no_of_desc + 2) > netxen_tx_avail(tx_ring)) {
+ if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) {
netif_stop_queue(netdev);
return NETDEV_TX_BUSY;
}
linkup = (val == XG_LINK_UP_P3);
} else {
val = NXRD32(adapter, CRB_XG_STATE);
- if (adapter->ahw.port_type == NETXEN_NIC_GBE)
- linkup = (val >> port) & 1;
- else {
- val = (val >> port*8) & 0xff;
- linkup = (val == XG_LINK_UP);
- }
+ val = (val >> port*8) & 0xff;
+ linkup = (val == XG_LINK_UP);
}
netxen_advert_link_change(adapter, linkup);
}
-static void netxen_nic_thermal_shutdown(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
-
- netif_device_detach(netdev);
- netxen_nic_down(adapter, netdev);
- netxen_nic_detach(adapter);
-}
-
-static void netxen_watchdog(unsigned long v)
+static void netxen_tx_timeout(struct net_device *netdev)
{
- struct netxen_adapter *adapter = (struct netxen_adapter *)v;
-
- if (netxen_nic_check_temp(adapter))
- goto do_sched;
-
- if (!adapter->has_link_events) {
- netxen_nic_handle_phy_intr(adapter);
-
- if (adapter->link_changed)
- goto do_sched;
- }
-
- if (netif_running(adapter->netdev))
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+ struct netxen_adapter *adapter = netdev_priv(netdev);
- return;
+ if (test_bit(__NX_RESETTING, &adapter->state))
+ return;
-do_sched:
- schedule_work(&adapter->watchdog_task);
+ dev_err(&netdev->dev, "transmit timeout, resetting.\n");
+ schedule_work(&adapter->tx_timeout_task);
}
-void netxen_watchdog_task(struct work_struct *work)
+static void netxen_tx_timeout_task(struct work_struct *work)
{
struct netxen_adapter *adapter =
- container_of(work, struct netxen_adapter, watchdog_task);
+ container_of(work, struct netxen_adapter, tx_timeout_task);
- if (adapter->temp == NX_TEMP_PANIC) {
- netxen_nic_thermal_shutdown(adapter);
+ if (!netif_running(adapter->netdev))
return;
- }
- if (adapter->link_changed)
- netxen_nic_set_link_parameters(adapter);
+ if (test_and_set_bit(__NX_RESETTING, &adapter->state))
+ return;
- if (netif_running(adapter->netdev))
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
-}
+ if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
+ goto request_reset;
-static void netxen_tx_timeout(struct net_device *netdev)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ /* try to scrub interrupt */
+ netxen_napi_disable(adapter);
- dev_err(&netdev->dev, "transmit timeout, resetting.\n");
- schedule_work(&adapter->tx_timeout_task);
-}
+ adapter->netdev->trans_start = jiffies;
-static void netxen_reset_task(struct work_struct *work)
-{
- struct netxen_adapter *adapter =
- container_of(work, struct netxen_adapter, tx_timeout_task);
+ netxen_napi_enable(adapter);
- if (!netif_running(adapter->netdev))
- return;
+ netif_wake_queue(adapter->netdev);
- netxen_napi_disable(adapter);
+ clear_bit(__NX_RESETTING, &adapter->state);
+ return;
+ } else {
+ clear_bit(__NX_RESETTING, &adapter->state);
+ if (!netxen_nic_reset_context(adapter)) {
+ adapter->netdev->trans_start = jiffies;
+ return;
+ }
- adapter->netdev->trans_start = jiffies;
+ /* context reset failed, fall through for fw reset */
+ }
- netxen_napi_enable(adapter);
- netif_wake_queue(adapter->netdev);
+request_reset:
+ adapter->need_fw_reset = 1;
+ clear_bit(__NX_RESETTING, &adapter->state);
}
struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
- struct net_device_stats *stats = &adapter->net_stats;
+ struct net_device_stats *stats = &netdev->stats;
memset(stats, 0, sizeof(*stats));
struct netxen_adapter *adapter = sds_ring->adapter;
u32 status = 0;
- status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
+ status = readl(adapter->isr_int_vec);
- if (!(status & adapter->legacy_intr.int_vec_bit))
+ if (!(status & adapter->int_vec_bit))
return IRQ_NONE;
- if (adapter->ahw.revision_id >= NX_P3_B1) {
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
/* check interrupt state machine, to be sure */
- status = adapter->pci_read_immediate(adapter,
- ISR_INT_STATE_REG);
+ status = readl(adapter->crb_int_state_reg);
if (!ISR_LEGACY_INT_TRIGGERED(status))
return IRQ_NONE;
} else {
unsigned long our_int = 0;
- our_int = NXRD32(adapter, CRB_INT_VECTOR);
+ our_int = readl(adapter->crb_int_state_reg);
/* not our interrupt */
if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
return IRQ_NONE;
/* claim interrupt */
- NXWR32(adapter, CRB_INT_VECTOR, (our_int & 0xffffffff));
- }
+ writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
- /* clear interrupt */
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ /* clear interrupt */
netxen_nic_disable_int(sds_ring);
+ }
- adapter->pci_write_immediate(adapter,
- adapter->legacy_intr.tgt_status_reg,
- 0xffffffff);
+ writel(0xffffffff, adapter->tgt_status_reg);
/* read twice to ensure write is flushed */
- adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
- adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
+ readl(adapter->isr_int_vec);
+ readl(adapter->isr_int_vec);
napi_schedule(&sds_ring->napi);
struct netxen_adapter *adapter = sds_ring->adapter;
/* clear interrupt */
- adapter->pci_write_immediate(adapter,
- adapter->msi_tgt_status, 0xffffffff);
+ writel(0xffffffff, adapter->tgt_status_reg);
napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
if ((work_done < budget) && tx_complete) {
napi_complete(&sds_ring->napi);
- if (netif_running(adapter->netdev))
+ if (test_bit(__NX_DEV_UP, &adapter->state))
netxen_nic_enable_int(sds_ring);
}
}
#endif
-#ifdef CONFIG_INET
+static int
+nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
+{
+ int count;
+ if (netxen_api_lock(adapter))
+ return -EIO;
-#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
+ count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+
+ NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
+
+ netxen_api_unlock(adapter);
+ return count;
+}
static int
-netxen_destip_supported(struct netxen_adapter *adapter)
+nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
+{
+ int count;
+ if (netxen_api_lock(adapter))
+ return -EIO;
+
+ count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+ WARN_ON(count == 0);
+
+ NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
+
+ if (count == 0)
+ NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
+
+ netxen_api_unlock(adapter);
+ return count;
+}
+
+static int
+nx_dev_request_aer(struct netxen_adapter *adapter)
+{
+ u32 state;
+ int ret = -EINVAL;
+
+ if (netxen_api_lock(adapter))
+ return ret;
+
+ state = NXRD32(adapter, NX_CRB_DEV_STATE);
+
+ if (state == NX_DEV_NEED_AER)
+ ret = 0;
+ else if (state == NX_DEV_READY) {
+ NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
+ ret = 0;
+ }
+
+ netxen_api_unlock(adapter);
+ return ret;
+}
+
+static int
+nx_dev_request_reset(struct netxen_adapter *adapter)
+{
+ u32 state;
+ int ret = -EINVAL;
+
+ if (netxen_api_lock(adapter))
+ return ret;
+
+ state = NXRD32(adapter, NX_CRB_DEV_STATE);
+
+ if (state == NX_DEV_NEED_RESET)
+ ret = 0;
+ else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
+ NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
+ ret = 0;
+ }
+
+ netxen_api_unlock(adapter);
+
+ return ret;
+}
+
+static int
+netxen_can_start_firmware(struct netxen_adapter *adapter)
+{
+ int count;
+ int can_start = 0;
+
+ if (netxen_api_lock(adapter))
+ return 0;
+
+ count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+
+ if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
+ count = 0;
+
+ if (count == 0) {
+ can_start = 1;
+ NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
+ }
+
+ NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
+
+ netxen_api_unlock(adapter);
+
+ return can_start;
+}
+
+static void
+netxen_schedule_work(struct netxen_adapter *adapter,
+ work_func_t func, int delay)
+{
+ INIT_DELAYED_WORK(&adapter->fw_work, func);
+ schedule_delayed_work(&adapter->fw_work, delay);
+}
+
+static void
+netxen_cancel_fw_work(struct netxen_adapter *adapter)
+{
+ while (test_and_set_bit(__NX_RESETTING, &adapter->state))
+ msleep(10);
+
+ cancel_delayed_work_sync(&adapter->fw_work);
+}
+
+static void
+netxen_attach_work(struct work_struct *work)
+{
+ struct netxen_adapter *adapter = container_of(work,
+ struct netxen_adapter, fw_work.work);
+ struct net_device *netdev = adapter->netdev;
+ int err = 0;
+
+ if (netif_running(netdev)) {
+ err = netxen_nic_attach(adapter);
+ if (err)
+ goto done;
+
+ err = netxen_nic_up(adapter, netdev);
+ if (err) {
+ netxen_nic_detach(adapter);
+ goto done;
+ }
+
+ netxen_config_indev_addr(netdev, NETDEV_UP);
+ }
+
+ netif_device_attach(netdev);
+
+done:
+ adapter->fw_fail_cnt = 0;
+ clear_bit(__NX_RESETTING, &adapter->state);
+ netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
+}
+
+static void
+netxen_fwinit_work(struct work_struct *work)
+{
+ struct netxen_adapter *adapter = container_of(work,
+ struct netxen_adapter, fw_work.work);
+ int dev_state;
+
+ dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
+
+ switch (dev_state) {
+ case NX_DEV_COLD:
+ case NX_DEV_READY:
+ if (!netxen_start_firmware(adapter)) {
+ netxen_schedule_work(adapter, netxen_attach_work, 0);
+ return;
+ }
+ break;
+
+ case NX_DEV_NEED_RESET:
+ case NX_DEV_INITALIZING:
+ if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
+ netxen_schedule_work(adapter,
+ netxen_fwinit_work, 2 * FW_POLL_DELAY);
+ return;
+ }
+
+ case NX_DEV_FAILED:
+ default:
+ nx_incr_dev_ref_cnt(adapter);
+ break;
+ }
+
+ clear_bit(__NX_RESETTING, &adapter->state);
+}
+
+static void
+netxen_detach_work(struct work_struct *work)
+{
+ struct netxen_adapter *adapter = container_of(work,
+ struct netxen_adapter, fw_work.work);
+ struct net_device *netdev = adapter->netdev;
+ int ref_cnt, delay;
+ u32 status;
+
+ netif_device_detach(netdev);
+
+ netxen_nic_down(adapter, netdev);
+
+ rtnl_lock();
+ netxen_nic_detach(adapter);
+ rtnl_unlock();
+
+ status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
+
+ if (status & NX_RCODE_FATAL_ERROR)
+ goto err_ret;
+
+ if (adapter->temp == NX_TEMP_PANIC)
+ goto err_ret;
+
+ ref_cnt = nx_decr_dev_ref_cnt(adapter);
+
+ if (ref_cnt == -EIO)
+ goto err_ret;
+
+ delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
+
+ adapter->fw_wait_cnt = 0;
+ netxen_schedule_work(adapter, netxen_fwinit_work, delay);
+
+ return;
+
+err_ret:
+ clear_bit(__NX_RESETTING, &adapter->state);
+}
+
+static int
+netxen_check_health(struct netxen_adapter *adapter)
{
+ u32 state, heartbit;
+ struct net_device *netdev = adapter->netdev;
+
+ state = NXRD32(adapter, NX_CRB_DEV_STATE);
+ if (state == NX_DEV_NEED_AER)
+ return 0;
+
+ if (netxen_nic_check_temp(adapter))
+ goto detach;
+
+ if (adapter->need_fw_reset) {
+ if (nx_dev_request_reset(adapter))
+ return 0;
+ goto detach;
+ }
+
+ /* NX_DEV_NEED_RESET, this state can be marked in two cases
+ * 1. Tx timeout 2. Fw hang
+ * Send request to destroy context in case of tx timeout only
+ * and doesn't required in case of Fw hang
+ */
+ if (state == NX_DEV_NEED_RESET) {
+ adapter->need_fw_reset = 1;
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ goto detach;
+ }
+
if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
return 0;
- if (adapter->ahw.cut_through)
+ heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
+ if (heartbit != adapter->heartbit) {
+ adapter->heartbit = heartbit;
+ adapter->fw_fail_cnt = 0;
+ if (adapter->need_fw_reset)
+ goto detach;
+ return 0;
+ }
+
+ if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
+ return 0;
+
+ if (nx_dev_request_reset(adapter))
return 0;
+ clear_bit(__NX_FW_ATTACHED, &adapter->state);
+
+ dev_info(&netdev->dev, "firmware hang detected\n");
+
+detach:
+ if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
+ !test_and_set_bit(__NX_RESETTING, &adapter->state))
+ netxen_schedule_work(adapter, netxen_detach_work, 0);
return 1;
}
-static int netxen_netdev_event(struct notifier_block *this,
- unsigned long event, void *ptr)
+static void
+netxen_fw_poll_work(struct work_struct *work)
{
- struct netxen_adapter *adapter;
- struct net_device *dev = (struct net_device *)ptr;
- struct in_device *indev;
+ struct netxen_adapter *adapter = container_of(work,
+ struct netxen_adapter, fw_work.work);
-recheck:
- if (dev == NULL)
- goto done;
+ if (test_bit(__NX_RESETTING, &adapter->state))
+ goto reschedule;
- if (dev->priv_flags & IFF_802_1Q_VLAN) {
- dev = vlan_dev_real_dev(dev);
- goto recheck;
+ if (test_bit(__NX_DEV_UP, &adapter->state)) {
+ if (!adapter->has_link_events) {
+
+ netxen_nic_handle_phy_intr(adapter);
+
+ if (adapter->link_changed)
+ netxen_nic_set_link_parameters(adapter);
+ }
}
- if (!is_netxen_netdev(dev))
- goto done;
+ if (netxen_check_health(adapter))
+ return;
- adapter = netdev_priv(dev);
+reschedule:
+ netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
+}
- if (!adapter || !netxen_destip_supported(adapter))
- goto done;
+static ssize_t
+netxen_store_bridged_mode(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t len)
+{
+ struct net_device *net = to_net_dev(dev);
+ struct netxen_adapter *adapter = netdev_priv(net);
+ unsigned long new;
+ int ret = -EINVAL;
+
+ if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
+ goto err_out;
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- goto done;
+ goto err_out;
+
+ if (strict_strtoul(buf, 2, &new))
+ goto err_out;
+
+ if (!netxen_config_bridged_mode(adapter, !!new))
+ ret = len;
+
+err_out:
+ return ret;
+}
+
+static ssize_t
+netxen_show_bridged_mode(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *net = to_net_dev(dev);
+ struct netxen_adapter *adapter;
+ int bridged_mode = 0;
+
+ adapter = netdev_priv(net);
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+ bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
+
+ return sprintf(buf, "%d\n", bridged_mode);
+}
+
+static struct device_attribute dev_attr_bridged_mode = {
+ .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
+ .show = netxen_show_bridged_mode,
+ .store = netxen_store_bridged_mode,
+};
+
+static ssize_t
+netxen_store_diag_mode(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t len)
+{
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+ unsigned long new;
+
+ if (strict_strtoul(buf, 2, &new))
+ return -EINVAL;
+
+ if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+ adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
+
+ return len;
+}
+
+static ssize_t
+netxen_show_diag_mode(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n",
+ !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
+}
+
+static struct device_attribute dev_attr_diag_mode = {
+ .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
+ .show = netxen_show_diag_mode,
+ .store = netxen_store_diag_mode,
+};
+
+static int
+netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
+ loff_t offset, size_t size)
+{
+ if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+ return -EIO;
+
+ if ((size != 4) || (offset & 0x3))
+ return -EINVAL;
+
+ if (offset < NETXEN_PCI_CRBSPACE)
+ return -EINVAL;
+
+ return 0;
+}
+
+static ssize_t
+netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
+ char *buf, loff_t offset, size_t size)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+ u32 data;
+ int ret;
+
+ ret = netxen_sysfs_validate_crb(adapter, offset, size);
+ if (ret != 0)
+ return ret;
+
+ data = NXRD32(adapter, offset);
+ memcpy(buf, &data, size);
+ return size;
+}
+
+static ssize_t
+netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr,
+ char *buf, loff_t offset, size_t size)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+ u32 data;
+ int ret;
+
+ ret = netxen_sysfs_validate_crb(adapter, offset, size);
+ if (ret != 0)
+ return ret;
+
+ memcpy(&data, buf, size);
+ NXWR32(adapter, offset, data);
+ return size;
+}
+
+static int
+netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
+ loff_t offset, size_t size)
+{
+ if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+ return -EIO;
+
+ if ((size != 8) || (offset & 0x7))
+ return -EIO;
+
+ return 0;
+}
+
+static ssize_t
+netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
+ char *buf, loff_t offset, size_t size)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+ u64 data;
+ int ret;
+
+ ret = netxen_sysfs_validate_mem(adapter, offset, size);
+ if (ret != 0)
+ return ret;
+
+ if (adapter->pci_mem_read(adapter, offset, &data))
+ return -EIO;
+
+ memcpy(buf, &data, size);
+
+ return size;
+}
+
+static ssize_t netxen_sysfs_write_mem(struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t offset, size_t size)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct netxen_adapter *adapter = dev_get_drvdata(dev);
+ u64 data;
+ int ret;
+
+ ret = netxen_sysfs_validate_mem(adapter, offset, size);
+ if (ret != 0)
+ return ret;
+
+ memcpy(&data, buf, size);
+
+ if (adapter->pci_mem_write(adapter, offset, data))
+ return -EIO;
+
+ return size;
+}
+
+
+static struct bin_attribute bin_attr_crb = {
+ .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
+ .size = 0,
+ .read = netxen_sysfs_read_crb,
+ .write = netxen_sysfs_write_crb,
+};
+
+static struct bin_attribute bin_attr_mem = {
+ .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
+ .size = 0,
+ .read = netxen_sysfs_read_mem,
+ .write = netxen_sysfs_write_mem,
+};
+
+
+static void
+netxen_create_sysfs_entries(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct device *dev = &netdev->dev;
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
+ /* bridged_mode control */
+ if (device_create_file(dev, &dev_attr_bridged_mode)) {
+ dev_warn(&netdev->dev,
+ "failed to create bridged_mode sysfs entry\n");
+ }
+ }
+}
+
+static void
+netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct device *dev = &netdev->dev;
+
+ if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+ device_remove_file(dev, &dev_attr_bridged_mode);
+}
+
+static void
+netxen_create_diag_entries(struct netxen_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ struct device *dev;
+
+ dev = &pdev->dev;
+ if (device_create_file(dev, &dev_attr_diag_mode))
+ dev_info(dev, "failed to create diag_mode sysfs entry\n");
+ if (device_create_bin_file(dev, &bin_attr_crb))
+ dev_info(dev, "failed to create crb sysfs entry\n");
+ if (device_create_bin_file(dev, &bin_attr_mem))
+ dev_info(dev, "failed to create mem sysfs entry\n");
+}
+
+
+static void
+netxen_remove_diag_entries(struct netxen_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ struct device *dev = &pdev->dev;
+
+ device_remove_file(dev, &dev_attr_diag_mode);
+ device_remove_bin_file(dev, &bin_attr_crb);
+ device_remove_bin_file(dev, &bin_attr_mem);
+}
+
+#ifdef CONFIG_INET
+
+#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
+
+static int
+netxen_destip_supported(struct netxen_adapter *adapter)
+{
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ return 0;
+
+ if (adapter->ahw.cut_through)
+ return 0;
+
+ return 1;
+}
+
+static void
+netxen_config_indev_addr(struct net_device *dev, unsigned long event)
+{
+ struct in_device *indev;
+ struct netxen_adapter *adapter = netdev_priv(dev);
+
+ if (!netxen_destip_supported(adapter))
+ return;
indev = in_dev_get(dev);
if (!indev)
- goto done;
+ return;
for_ifa(indev) {
switch (event) {
} endfor_ifa(indev);
in_dev_put(indev);
+ return;
+}
+
+static int netxen_netdev_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct netxen_adapter *adapter;
+ struct net_device *dev = (struct net_device *)ptr;
+
+recheck:
+ if (dev == NULL)
+ goto done;
+
+ if (dev->priv_flags & IFF_802_1Q_VLAN) {
+ dev = vlan_dev_real_dev(dev);
+ goto recheck;
+ }
+
+ if (!is_netxen_netdev(dev))
+ goto done;
+
+ adapter = netdev_priv(dev);
+
+ if (!adapter)
+ goto done;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+ goto done;
+
+ netxen_config_indev_addr(dev, event);
done:
return NOTIFY_DONE;
}
static struct notifier_block netxen_inetaddr_cb = {
.notifier_call = netxen_inetaddr_event,
};
+#else
+static void
+netxen_config_indev_addr(struct net_device *dev, unsigned long event)
+{ }
#endif
+static struct pci_error_handlers netxen_err_handler = {
+ .error_detected = netxen_io_error_detected,
+ .slot_reset = netxen_io_slot_reset,
+ .resume = netxen_io_resume,
+};
+
static struct pci_driver netxen_driver = {
.name = netxen_nic_driver_name,
.id_table = netxen_pci_tbl,
.suspend = netxen_nic_suspend,
.resume = netxen_nic_resume,
#endif
- .shutdown = netxen_nic_shutdown
+ .shutdown = netxen_nic_shutdown,
+ .err_handler = &netxen_err_handler
};
static int __init netxen_init_module(void)
register_netdevice_notifier(&netxen_netdev_cb);
register_inetaddr_notifier(&netxen_inetaddr_cb);
#endif
-
return pci_register_driver(&netxen_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff