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path: root/drivers/net/netxen/netxen_nic_main.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c1162
1 files changed, 644 insertions, 518 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index c172b6e..1af4725 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * Copyright (C) 2003 - 2009 NetXen, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
@@ -22,12 +22,9 @@
*
* Contact Information:
* info@netxen.com
- * NetXen,
- * 3965 Freedom Circle, Fourth floor,
- * Santa Clara, CA 95054
- *
- *
- * Main source file for NetXen NIC Driver on Linux
+ * NetXen Inc,
+ * 18922 Forge Drive
+ * Cupertino, CA 95014-0701
*
*/
@@ -97,20 +94,6 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
-/*
- * In netxen_nic_down(), we must wait for any pending callback requests into
- * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be
- * reenabled right after it is deleted in netxen_nic_down().
- * FLUSH_SCHEDULED_WORK() does this synchronization.
- *
- * Normally, schedule_work()/flush_scheduled_work() could have worked, but
- * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off()
- * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a
- * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause
- * linkwatch_event() to be executed which also attempts to acquire the rtnl
- * lock thus causing a deadlock.
- */
-
static struct workqueue_struct *netxen_workq;
#define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp)
#define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq)
@@ -152,130 +135,148 @@ static uint32_t msi_tgt_status[8] = {
static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
-static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
{
- adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0);
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
+ adapter->pci_write_normalize(adapter, sds_ring->crb_intr_mask, 0);
}
-static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
{
- adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
+ adapter->pci_write_normalize(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);
}
+static void
+netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ adapter->max_sds_rings = (num_online_cpus() >= 4) ? 4 : 2;
+ else
+ adapter->max_sds_rings = 1;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ netif_napi_add(netdev, &sds_ring->napi,
+ netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+ }
+}
+
+static void
+netxen_napi_enable(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ napi_enable(&sds_ring->napi);
+ netxen_nic_enable_int(sds_ring);
+ }
+}
+
+static void
+netxen_napi_disable(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ netxen_nic_disable_int(sds_ring);
+ napi_disable(&sds_ring->napi);
+ }
+}
+
static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
{
struct pci_dev *pdev = adapter->pdev;
- int err;
- uint64_t mask;
-
-#ifdef CONFIG_IA64
- adapter->dma_mask = DMA_32BIT_MASK;
-#else
- if (revision_id >= NX_P3_B0) {
- /* should go to DMA_64BIT_MASK */
- adapter->dma_mask = DMA_39BIT_MASK;
- mask = DMA_39BIT_MASK;
- } else if (revision_id == NX_P3_A2) {
- adapter->dma_mask = DMA_39BIT_MASK;
- mask = DMA_39BIT_MASK;
- } else if (revision_id == NX_P2_C1) {
- adapter->dma_mask = DMA_35BIT_MASK;
- mask = DMA_35BIT_MASK;
- } else {
- adapter->dma_mask = DMA_32BIT_MASK;
- mask = DMA_32BIT_MASK;
- goto set_32_bit_mask;
- }
+ uint64_t mask, cmask;
+ adapter->pci_using_dac = 0;
+
+ mask = DMA_32BIT_MASK;
/*
* Consistent DMA mask is set to 32 bit because it cannot be set to
* 35 bits. For P3 also leave it at 32 bits for now. Only the rings
* come off this pool.
*/
+ cmask = DMA_32BIT_MASK;
+
+#ifndef CONFIG_IA64
+ if (revision_id >= NX_P3_B0)
+ mask = DMA_39BIT_MASK;
+ else if (revision_id == NX_P2_C1)
+ mask = DMA_35BIT_MASK;
+#endif
if (pci_set_dma_mask(pdev, mask) == 0 &&
- pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) {
+ pci_set_consistent_dma_mask(pdev, cmask) == 0) {
adapter->pci_using_dac = 1;
return 0;
}
-set_32_bit_mask:
-#endif /* CONFIG_IA64 */
- err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
- if (!err)
- err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
- if (err) {
- DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err);
- return err;
+ return -EIO;
+}
+
+/* Update addressable range if firmware supports it */
+static int
+nx_update_dma_mask(struct netxen_adapter *adapter)
+{
+ int change, shift, err;
+ uint64_t mask, old_mask;
+ struct pci_dev *pdev = adapter->pdev;
+
+ change = 0;
+
+ shift = netxen_nic_reg_read(adapter, CRB_DMA_SHIFT);
+ if (shift >= 32)
+ return 0;
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
+ change = 1;
+ else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
+ change = 1;
+
+ if (change) {
+ old_mask = pdev->dma_mask;
+ mask = (1ULL<<(32+shift)) - 1;
+
+ err = pci_set_dma_mask(pdev, mask);
+ if (err)
+ return pci_set_dma_mask(pdev, old_mask);
}
- adapter->pci_using_dac = 0;
return 0;
}
static void netxen_check_options(struct netxen_adapter *adapter)
{
- switch (adapter->ahw.boardcfg.board_type) {
- case NETXEN_BRDTYPE_P3_HMEZ:
- case NETXEN_BRDTYPE_P3_XG_LOM:
- case NETXEN_BRDTYPE_P3_10G_CX4:
- case NETXEN_BRDTYPE_P3_10G_CX4_LP:
- case NETXEN_BRDTYPE_P3_IMEZ:
- case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
- case NETXEN_BRDTYPE_P3_10G_SFP_QT:
- case NETXEN_BRDTYPE_P3_10G_SFP_CT:
- case NETXEN_BRDTYPE_P3_10G_XFP:
- case NETXEN_BRDTYPE_P3_10000_BASE_T:
- adapter->msix_supported = !!use_msi_x;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G;
+ else if (adapter->ahw.port_type == NETXEN_NIC_GBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G;
- case NETXEN_BRDTYPE_P2_SB31_10G:
- case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
- case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
- case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
-
- case NETXEN_BRDTYPE_P3_REF_QG:
- 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_1G;
- break;
-
- case NETXEN_BRDTYPE_P2_SB35_4G:
- case NETXEN_BRDTYPE_P2_SB31_2G:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- break;
-
- case NETXEN_BRDTYPE_P3_10G_TP:
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
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:
+ else
adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- printk(KERN_WARNING "Unknown board type(0x%x)\n",
- adapter->ahw.boardcfg.board_type);
- break;
- }
+ adapter->num_txd = MAX_CMD_DESCRIPTORS_HOST;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS;
+ adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
- adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
- adapter->max_possible_rss_rings = 1;
return;
}
@@ -336,7 +337,7 @@ static void netxen_set_port_mode(struct netxen_adapter *adapter)
{
u32 val, data;
- val = adapter->ahw.boardcfg.board_type;
+ val = adapter->ahw.board_type;
if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
(val == NETXEN_BRDTYPE_P3_XG_LOM)) {
if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
@@ -454,91 +455,91 @@ static const struct net_device_ops netxen_netdev_ops = {
#endif
};
-/*
- * netxen_nic_probe()
- *
- * The Linux system will invoke this after identifying the vendor ID and
- * device Id in the pci_tbl supported by this module.
- *
- * A quad port card has one operational PCI config space, (function 0),
- * which is used to access all four ports.
- *
- * This routine will initialize the adapter, and setup the global parameters
- * along with the port's specific structure.
- */
-static int __devinit
-netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static void
+netxen_setup_intr(struct netxen_adapter *adapter)
{
- struct net_device *netdev = NULL;
- struct netxen_adapter *adapter = 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;
+ struct netxen_legacy_intr_set *legacy_intrp;
+ struct pci_dev *pdev = adapter->pdev;
+ adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+ adapter->intr_scheme = -1;
+ adapter->msi_mode = -1;
- u8 __iomem *db_ptr = NULL;
- unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
- int i = 0, err;
- int first_driver, first_boot;
- u32 val;
- int pci_func_id = PCI_FUNC(pdev->devfn);
- struct netxen_legacy_intr_set *legacy_intrp;
- uint8_t revision_id;
+ if (adapter->ahw.revision_id >= NX_P3_B0)
+ 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;
- if (pci_func_id == 0)
- printk(KERN_INFO "%s\n", netxen_nic_driver_string);
+ netxen_set_msix_bit(pdev, 0);
- 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 (adapter->msix_supported) {
- if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
- printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x"
- "will not be enabled.\n",
- NX_P3_A0, NX_P3_B1);
- return -ENODEV;
- }
+ netxen_init_msix_entries(adapter);
+ if (pci_enable_msix(pdev, adapter->msix_entries,
+ MSIX_ENTRIES_PER_ADAPTER))
+ goto request_msi;
- if ((err = pci_enable_device(pdev)))
- return err;
+ adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
+ netxen_set_msix_bit(pdev, 1);
+ dev_info(&pdev->dev, "using msi-x interrupts\n");
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- err = -ENODEV;
- goto err_out_disable_pdev;
+ } else {
+request_msi:
+ if (use_msi && !pci_enable_msi(pdev)) {
+ adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+ dev_info(&pdev->dev, "using msi interrupts\n");
+ } else
+ dev_info(&pdev->dev, "using legacy interrupts\n");
+ adapter->msix_entries[0].vector = pdev->irq;
}
+}
- if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
- goto err_out_disable_pdev;
-
- pci_set_master(pdev);
+static void
+netxen_teardown_intr(struct netxen_adapter *adapter)
+{
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ pci_disable_msix(adapter->pdev);
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(adapter->pdev);
+}
- 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;
- }
+static void
+netxen_cleanup_pci_map(struct netxen_adapter *adapter)
+{
+ if (adapter->ahw.db_base != NULL)
+ iounmap(adapter->ahw.db_base);
+ if (adapter->ahw.pci_base0 != NULL)
+ iounmap(adapter->ahw.pci_base0);
+ if (adapter->ahw.pci_base1 != NULL)
+ iounmap(adapter->ahw.pci_base1);
+ if (adapter->ahw.pci_base2 != NULL)
+ iounmap(adapter->ahw.pci_base2);
+}
- SET_NETDEV_DEV(netdev, &pdev->dev);
+static int
+netxen_setup_pci_map(struct netxen_adapter *adapter)
+{
+ void __iomem *mem_ptr0 = NULL;
+ void __iomem *mem_ptr1 = NULL;
+ void __iomem *mem_ptr2 = NULL;
+ void __iomem *db_ptr = NULL;
- adapter = netdev_priv(netdev);
- adapter->netdev = netdev;
- adapter->pdev = pdev;
- adapter->ahw.pci_func = pci_func_id;
+ unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0;
- revision_id = pdev->revision;
- adapter->ahw.revision_id = revision_id;
+ struct pci_dev *pdev = adapter->pdev;
+ int pci_func = adapter->ahw.pci_func;
- err = nx_set_dma_mask(adapter, revision_id);
- if (err)
- goto err_out_free_netdev;
+ int err = 0;
- rwlock_init(&adapter->adapter_lock);
+ /*
+ * 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;
@@ -564,14 +565,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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 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;
@@ -590,29 +587,33 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev_err(&pdev->dev, "failed to map PCI bar 0\n");
return -EIO;
}
-
pci_len0 = mem_len;
- first_page_group_start = 0;
- first_page_group_end = 0;
adapter->ahw.ddr_mn_window = 0;
adapter->ahw.qdr_sn_window = 0;
adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
- (pci_func_id * 0x20);
+ (pci_func * 0x20);
adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
- if (pci_func_id < 4)
- adapter->ahw.ms_win_crb += (pci_func_id * 0x20);
+ if (pci_func < 4)
+ adapter->ahw.ms_win_crb += (pci_func * 0x20);
else
adapter->ahw.ms_win_crb +=
- 0xA0 + ((pci_func_id - 4) * 0x10);
+ 0xA0 + ((pci_func - 4) * 0x10);
} else {
- err = -EIO;
- goto err_out_free_netdev;
+ return -EIO;
}
dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
+ adapter->ahw.pci_base0 = mem_ptr0;
+ adapter->ahw.pci_len0 = pci_len0;
+ adapter->ahw.pci_base1 = mem_ptr1;
+ adapter->ahw.pci_base2 = mem_ptr2;
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ goto skip_doorbell;
+
db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
db_len = pci_resource_len(pdev, 4);
@@ -620,49 +621,349 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
printk(KERN_ERR "%s: doorbell is disabled\n",
netxen_nic_driver_name);
err = -EIO;
- goto err_out_iounmap;
+ goto err_out;
}
- DPRINTK(INFO, "doorbell ioremap from %lx a size of %lx\n", db_base,
- db_len);
db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
if (!db_ptr) {
printk(KERN_ERR "%s: Failed to allocate doorbell map.",
netxen_nic_driver_name);
err = -EIO;
- goto err_out_iounmap;
+ goto err_out;
}
- DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr);
- adapter->ahw.pci_base0 = mem_ptr0;
- adapter->ahw.pci_len0 = pci_len0;
- 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;
+skip_doorbell:
adapter->ahw.db_base = db_ptr;
adapter->ahw.db_len = db_len;
+ return 0;
- netif_napi_add(netdev, &adapter->napi,
- netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+err_out:
+ netxen_cleanup_pci_map(adapter);
+ return err;
+}
- if (revision_id >= NX_P3_B0)
- legacy_intrp = &legacy_intr[pci_func_id];
+static int
+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_P3(adapter->ahw.revision_id)) {
+ if (adapter->ahw.pci_func == 0)
+ first_driver = 1;
+ } else {
+ if (adapter->portnum == 0)
+ first_driver = 1;
+ }
+
+ if (!first_driver)
+ return 0;
+
+ first_boot = adapter->pci_read_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc));
+
+ err = netxen_check_hw_init(adapter, first_boot);
+ if (err) {
+ dev_err(&pdev->dev, "error in init HW init sequence\n");
+ return err;
+ }
+
+ if (first_boot != 0x55555555) {
+ adapter->pci_write_normalize(adapter,
+ CRB_CMDPEG_STATE, 0);
+ netxen_pinit_from_rom(adapter, 0);
+ msleep(1);
+ }
+
+ netxen_nic_reg_write(adapter, CRB_DMA_SHIFT, 0x55555555);
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ netxen_set_port_mode(adapter);
+
+ netxen_load_firmware(adapter);
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+
+ /* Initialize multicast addr pool owners */
+ val = 0x7654;
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
+ val |= 0x0f000000;
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_MAC_ADDR_CNTL_REG, val);
+
+ }
+
+ err = netxen_initialize_adapter_offload(adapter);
+ if (err)
+ return err;
+
+ /*
+ * Tell the hardware our version number.
+ */
+ val = (_NETXEN_NIC_LINUX_MAJOR << 16)
+ | ((_NETXEN_NIC_LINUX_MINOR << 8))
+ | (_NETXEN_NIC_LINUX_SUBVERSION);
+ adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, val);
+
+ /* Handshake with the card before we register the devices. */
+ err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ if (err) {
+ netxen_free_adapter_offload(adapter);
+ return err;
+ }
+
+ return 0;
+}
+
+static int
+netxen_nic_request_irq(struct netxen_adapter *adapter)
+{
+ irq_handler_t handler;
+ struct nx_host_sds_ring *sds_ring;
+ int err, ring;
+
+ unsigned long flags = IRQF_SAMPLE_RANDOM;
+ struct net_device *netdev = adapter->netdev;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) ||
+ (adapter->intr_scheme != INTR_SCHEME_PERPORT)) {
+ printk(KERN_ERR "%s: Firmware interrupt scheme is "
+ "incompatible with driver\n",
+ netdev->name);
+ adapter->driver_mismatch = 1;
+ return -EINVAL;
+ }
+
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ handler = netxen_msix_intr;
+ else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ handler = netxen_msi_intr;
+ else {
+ flags |= IRQF_SHARED;
+ handler = netxen_intr;
+ }
+ adapter->irq = netdev->irq;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ sprintf(sds_ring->name, "%16s[%d]", netdev->name, ring);
+ err = request_irq(sds_ring->irq, handler,
+ flags, sds_ring->name, sds_ring);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static void
+netxen_nic_free_irq(struct netxen_adapter *adapter)
+{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
+
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ free_irq(sds_ring->irq, sds_ring);
+ }
+}
+
+static int
+netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ int err;
+
+ err = adapter->init_port(adapter, adapter->physical_port);
+ if (err) {
+ printk(KERN_ERR "%s: Failed to initialize port %d\n",
+ netxen_nic_driver_name, adapter->portnum);
+ return err;
+ }
+ adapter->macaddr_set(adapter, netdev->dev_addr);
+
+ netxen_nic_set_link_parameters(adapter);
+
+ netxen_set_multicast_list(netdev);
+ if (adapter->set_mtu)
+ adapter->set_mtu(adapter, netdev->mtu);
+
+ adapter->ahw.linkup = 0;
+ mod_timer(&adapter->watchdog_timer, jiffies);
+
+ netxen_napi_enable(adapter);
+
+ if (adapter->max_sds_rings > 1)
+ netxen_config_rss(adapter, 1);
+
+ return 0;
+}
+
+static void
+netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ netxen_napi_disable(adapter);
+
+ if (adapter->stop_port)
+ adapter->stop_port(adapter);
+
+ netxen_release_tx_buffers(adapter);
+
+ FLUSH_SCHEDULED_WORK();
+ del_timer_sync(&adapter->watchdog_timer);
+}
+
+
+static int
+netxen_nic_attach(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+ int err, ring;
+ struct nx_host_rds_ring *rds_ring;
+
+ err = netxen_init_firmware(adapter);
+ if (err != 0) {
+ printk(KERN_ERR "Failed to init firmware\n");
+ return -EIO;
+ }
+
+ if (adapter->fw_major < 4)
+ adapter->max_rds_rings = 3;
else
- legacy_intrp = &legacy_intr[0];
+ adapter->max_rds_rings = 2;
- 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;
+ err = netxen_alloc_sw_resources(adapter);
+ if (err) {
+ printk(KERN_ERR "%s: Error in setting sw resources\n",
+ netdev->name);
+ return err;
+ }
- /* this will be read from FW later */
- adapter->intr_scheme = -1;
- adapter->msi_mode = -1;
+ netxen_nic_clear_stats(adapter);
+
+ err = netxen_alloc_hw_resources(adapter);
+ if (err) {
+ printk(KERN_ERR "%s: Error in setting hw resources\n",
+ netdev->name);
+ goto err_out_free_sw;
+ }
+
+ if (adapter->fw_major < 4) {
+ adapter->crb_addr_cmd_producer =
+ crb_cmd_producer[adapter->portnum];
+ adapter->crb_addr_cmd_consumer =
+ crb_cmd_consumer[adapter->portnum];
+
+ netxen_nic_update_cmd_producer(adapter, 0);
+ netxen_nic_update_cmd_consumer(adapter, 0);
+ }
+
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &adapter->recv_ctx.rds_rings[ring];
+ netxen_post_rx_buffers(adapter, ring, rds_ring);
+ }
+
+ err = netxen_nic_request_irq(adapter);
+ if (err) {
+ dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
+ netdev->name);
+ goto err_out_free_rxbuf;
+ }
+
+ adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
+ return 0;
+
+err_out_free_rxbuf:
+ netxen_release_rx_buffers(adapter);
+ netxen_free_hw_resources(adapter);
+err_out_free_sw:
+ netxen_free_sw_resources(adapter);
+ return err;
+}
+
+static void
+netxen_nic_detach(struct netxen_adapter *adapter)
+{
+ netxen_nic_free_irq(adapter);
+
+ netxen_release_rx_buffers(adapter);
+ netxen_free_hw_resources(adapter);
+ netxen_free_sw_resources(adapter);
+
+ adapter->is_up = 0;
+}
+
+static int __devinit
+netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct net_device *netdev = NULL;
+ struct netxen_adapter *adapter = NULL;
+ int i = 0, err;
+ 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"
+ "will not be enabled.\n",
+ NX_P3_A0, NX_P3_B1);
+ return -ENODEV;
+ }
+
+ if ((err = pci_enable_device(pdev)))
+ return err;
+
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ err = -ENODEV;
+ goto err_out_disable_pdev;
+ }
+
+ if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
+ goto err_out_disable_pdev;
+
+ pci_set_master(pdev);
+
+ 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(netdev);
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
+ adapter->ahw.pci_func = pci_func_id;
+
+ revision_id = pdev->revision;
+ adapter->ahw.revision_id = revision_id;
+
+ err = nx_set_dma_mask(adapter, revision_id);
+ if (err)
+ goto err_out_free_netdev;
+
+ rwlock_init(&adapter->adapter_lock);
+ spin_lock_init(&adapter->tx_clean_lock);
+
+ err = netxen_setup_pci_map(adapter);
+ if (err)
+ goto err_out_free_netdev;
/* This will be reset for mezz cards */
adapter->portnum = pci_func_id;
- adapter->status &= ~NETXEN_NETDEV_STATUS;
adapter->rx_csum = 1;
adapter->mc_enabled = 0;
if (NX_IS_REVISION_P3(revision_id))
@@ -690,12 +991,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->vlan_features |= NETIF_F_HIGHDMA;
}
- /*
- * 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;
-
if (netxen_nic_get_board_info(adapter) != 0) {
printk("%s: Error getting board config info.\n",
netxen_nic_driver_name);
@@ -706,7 +1001,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netxen_initialize_adapter_ops(adapter);
/* Mezz cards have PCI function 0,2,3 enabled */
- switch (adapter->ahw.boardcfg.board_type) {
+ switch (adapter->ahw.board_type) {
case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
if (pci_func_id >= 2)
@@ -716,82 +1011,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
- /*
- * This call will setup various max rx/tx counts.
- * It must be done before any buffer/ring allocations.
- */
- netxen_check_options(adapter);
-
- first_driver = 0;
- if (NX_IS_REVISION_P3(revision_id)) {
- if (adapter->ahw.pci_func == 0)
- first_driver = 1;
- } else {
- if (adapter->portnum == 0)
- first_driver = 1;
- }
-
- if (first_driver) {
- first_boot = adapter->pci_read_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc));
-
- err = netxen_check_hw_init(adapter, first_boot);
- if (err) {
- printk(KERN_ERR "%s: error in init HW init sequence\n",
- netxen_nic_driver_name);
- goto err_out_iounmap;
- }
-
- if (NX_IS_REVISION_P3(revision_id))
- netxen_set_port_mode(adapter);
-
- if (first_boot != 0x55555555) {
- adapter->pci_write_normalize(adapter,
- CRB_CMDPEG_STATE, 0);
- netxen_pinit_from_rom(adapter, 0);
- msleep(1);
- }
- netxen_load_firmware(adapter);
-
- if (NX_IS_REVISION_P2(revision_id)) {
-
- /* Initialize multicast addr pool owners */
- val = 0x7654;
- if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
- val |= 0x0f000000;
- netxen_crb_writelit_adapter(adapter,
- NETXEN_MAC_ADDR_CNTL_REG, val);
-
- }
-
- err = netxen_initialize_adapter_offload(adapter);
- if (err)
- goto err_out_iounmap;
-
- /*
- * Tell the hardware our version number.
- */
- i = (_NETXEN_NIC_LINUX_MAJOR << 16)
- | ((_NETXEN_NIC_LINUX_MINOR << 8))
- | (_NETXEN_NIC_LINUX_SUBVERSION);
- adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
-
- /* Handshake with the card before we register the devices. */
- err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
- if (err)
- goto err_out_free_offload;
+ err = netxen_start_firmware(adapter);
+ if (err)
+ goto err_out_iounmap;
- } /* first_driver */
+ nx_update_dma_mask(adapter);
- netxen_nic_flash_print(adapter);
-
- if (NX_IS_REVISION_P3(revision_id)) {
- adapter->hw_read_wx(adapter,
- NETXEN_MIU_MN_CONTROL, &val, 4);
- adapter->ahw.cut_through = (val & 0x4) ? 1 : 0;
- dev_info(&pdev->dev, "firmware running in %s mode\n",
- adapter->ahw.cut_through ? "cut through" : "legacy");
- }
+ netxen_nic_get_firmware_info(adapter);
/*
* See if the firmware gave us a virtual-physical port mapping.
@@ -804,41 +1030,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->physical_port = i;
}
- adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
-
- netxen_set_msix_bit(pdev, 0);
-
- if (NX_IS_REVISION_P3(revision_id)) {
- if ((mem_len != NETXEN_PCI_128MB_SIZE) &&
- mem_len != NETXEN_PCI_2MB_SIZE)
- adapter->msix_supported = 0;
- }
-
- if (adapter->msix_supported) {
+ netxen_check_options(adapter);
- netxen_init_msix_entries(adapter);
+ netxen_setup_intr(adapter);
- if (pci_enable_msix(pdev, adapter->msix_entries,
- MSIX_ENTRIES_PER_ADAPTER))
- goto request_msi;
+ netdev->irq = adapter->msix_entries[0].vector;
- adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
- netxen_set_msix_bit(pdev, 1);
- dev_info(&pdev->dev, "using msi-x interrupts\n");
-
- } else {
-request_msi:
- if (use_msi && !pci_enable_msi(pdev)) {
- adapter->flags |= NETXEN_NIC_MSI_ENABLED;
- dev_info(&pdev->dev, "using msi interrupts\n");
- } else
- dev_info(&pdev->dev, "using legacy interrupts\n");
- }
-
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- netdev->irq = adapter->msix_entries[0].vector;
- else
- netdev->irq = pdev->irq;
+ netxen_napi_add(adapter, netdev);
err = netxen_receive_peg_ready(adapter);
if (err)
@@ -867,7 +1065,7 @@ request_msi:
pci_set_drvdata(pdev, adapter);
- switch (adapter->ahw.board_type) {
+ switch (adapter->ahw.port_type) {
case NETXEN_NIC_GBE:
dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
adapter->netdev->name);
@@ -881,25 +1079,12 @@ request_msi:
return 0;
err_out_disable_msi:
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- pci_disable_msix(pdev);
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- pci_disable_msi(pdev);
+ netxen_teardown_intr(adapter);
-err_out_free_offload:
- if (first_driver)
- netxen_free_adapter_offload(adapter);
+ netxen_free_adapter_offload(adapter);
err_out_iounmap:
- if (db_ptr)
- iounmap(db_ptr);
-
- if (mem_ptr0)
- iounmap(mem_ptr0);
- if (mem_ptr1)
- iounmap(mem_ptr1);
- if (mem_ptr2)
- iounmap(mem_ptr2);
+ netxen_cleanup_pci_map(adapter);
err_out_free_netdev:
free_netdev(netdev);
@@ -927,9 +1112,7 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
- netxen_free_hw_resources(adapter);
- netxen_release_rx_buffers(adapter);
- netxen_free_sw_resources(adapter);
+ netxen_nic_detach(adapter);
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_p3_free_mac_list(adapter);
@@ -938,20 +1121,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
if (adapter->portnum == 0)
netxen_free_adapter_offload(adapter);
- if (adapter->irq)
- free_irq(adapter->irq, adapter);
+ netxen_teardown_intr(adapter);
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- pci_disable_msix(pdev);
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- pci_disable_msi(pdev);
-
- iounmap(adapter->ahw.db_base);
- iounmap(adapter->ahw.pci_base0);
- if (adapter->ahw.pci_base1 != NULL)
- iounmap(adapter->ahw.pci_base1);
- if (adapter->ahw.pci_base2 != NULL)
- iounmap(adapter->ahw.pci_base2);
+ netxen_cleanup_pci_map(adapter);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -960,125 +1132,95 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
free_netdev(netdev);
}
-/*
- * Called when a network interface is made active
- * @returns 0 on success, negative value on failure
- */
-static int netxen_nic_open(struct net_device *netdev)
+static int
+netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- int err = 0;
- int ctx, ring;
- irq_handler_t handler;
- unsigned long flags = IRQF_SAMPLE_RANDOM;
- if (adapter->driver_mismatch)
- return -EIO;
+ struct netxen_adapter *adapter = pci_get_drvdata(pdev);
+ struct net_device *netdev = adapter->netdev;
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) {
- err = netxen_init_firmware(adapter);
- if (err != 0) {
- printk(KERN_ERR "Failed to init firmware\n");
- return -EIO;
- }
+ netif_device_detach(netdev);
- if (adapter->fw_major < 4)
- adapter->max_rds_rings = 3;
- else
- adapter->max_rds_rings = 2;
+ if (netif_running(netdev))
+ netxen_nic_down(adapter, netdev);
- err = netxen_alloc_sw_resources(adapter);
- if (err) {
- printk(KERN_ERR "%s: Error in setting sw resources\n",
- netdev->name);
- return err;
- }
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
+ netxen_nic_detach(adapter);
- netxen_nic_clear_stats(adapter);
+ pci_save_state(pdev);
- err = netxen_alloc_hw_resources(adapter);
- if (err) {
- printk(KERN_ERR "%s: Error in setting hw resources\n",
- netdev->name);
- goto err_out_free_sw;
- }
+ if (netxen_nic_wol_supported(adapter)) {
+ pci_enable_wake(pdev, PCI_D3cold, 1);
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ }
- if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) ||
- (adapter->intr_scheme != INTR_SCHEME_PERPORT)) {
- printk(KERN_ERR "%s: Firmware interrupt scheme is "
- "incompatible with driver\n",
- netdev->name);
- adapter->driver_mismatch = 1;
- goto err_out_free_hw;
- }
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
- if (adapter->fw_major < 4) {
- adapter->crb_addr_cmd_producer =
- crb_cmd_producer[adapter->portnum];
- adapter->crb_addr_cmd_consumer =
- crb_cmd_consumer[adapter->portnum];
+static int
+netxen_nic_resume(struct pci_dev *pdev)
+{
+ struct netxen_adapter *adapter = pci_get_drvdata(pdev);
+ struct net_device *netdev = adapter->netdev;
+ int err;
- netxen_nic_update_cmd_producer(adapter, 0);
- netxen_nic_update_cmd_consumer(adapter, 0);
- }
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- for (ring = 0; ring < adapter->max_rds_rings; ring++)
- netxen_post_rx_buffers(adapter, ctx, ring);
- }
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- handler = netxen_msix_intr;
- else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- handler = netxen_msi_intr;
- else {
- flags |= IRQF_SHARED;
- handler = netxen_intr;
- }
- adapter->irq = netdev->irq;
- err = request_irq(adapter->irq, handler,
- flags, netdev->name, adapter);
- if (err) {
- printk(KERN_ERR "request_irq failed with: %d\n", err);
- goto err_out_free_rxbuf;
- }
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
- adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
- }
+ adapter->curr_window = 255;
- /* Done here again so that even if phantom sw overwrote it,
- * we set it */
- err = adapter->init_port(adapter, adapter->physical_port);
+ err = netxen_start_firmware(adapter);
if (err) {
- printk(KERN_ERR "%s: Failed to initialize port %d\n",
- netxen_nic_driver_name, adapter->portnum);
- goto err_out_free_irq;
+ dev_err(&pdev->dev, "failed to start firmware\n");
+ return err;
}
- adapter->macaddr_set(adapter, netdev->dev_addr);
- netxen_nic_set_link_parameters(adapter);
+ if (netif_running(netdev)) {
+ err = netxen_nic_attach(adapter);
+ if (err)
+ return err;
- netxen_set_multicast_list(netdev);
- if (adapter->set_mtu)
- adapter->set_mtu(adapter, netdev->mtu);
+ err = netxen_nic_up(adapter, netdev);
+ if (err)
+ return err;
- adapter->ahw.linkup = 0;
- mod_timer(&adapter->watchdog_timer, jiffies);
+ netif_device_attach(netdev);
+ }
+
+ return 0;
+}
- napi_enable(&adapter->napi);
- netxen_nic_enable_int(adapter);
+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;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) {
+ 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;
-err_out_free_irq:
- free_irq(adapter->irq, adapter);
-err_out_free_rxbuf:
- netxen_release_rx_buffers(adapter);
-err_out_free_hw:
- netxen_free_hw_resources(adapter);
-err_out_free_sw:
- netxen_free_sw_resources(adapter);
+err_out:
+ netxen_nic_detach(adapter);
return err;
}
@@ -1089,20 +1231,7 @@ static int netxen_nic_close(struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
- netif_carrier_off(netdev);
- netif_stop_queue(netdev);
- napi_disable(&adapter->napi);
-
- if (adapter->stop_port)
- adapter->stop_port(adapter);
-
- netxen_nic_disable_int(adapter);
-
- netxen_release_tx_buffers(adapter);
-
- FLUSH_SCHEDULED_WORK();
- del_timer_sync(&adapter->watchdog_timer);
-
+ netxen_nic_down(adapter, netdev);
return 0;
}
@@ -1114,7 +1243,7 @@ static bool netxen_tso_check(struct net_device *netdev,
__be16 protocol = skb->protocol;
u16 flags = 0;
- if (protocol == __constant_htons(ETH_P_8021Q)) {
+ if (protocol == cpu_to_be16(ETH_P_8021Q)) {
struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data;
protocol = vh->h_vlan_encapsulated_proto;
flags = FLAGS_VLAN_TAGGED;
@@ -1127,21 +1256,21 @@ static bool netxen_tso_check(struct net_device *netdev,
desc->total_hdr_length =
skb_transport_offset(skb) + tcp_hdrlen(skb);
- opcode = (protocol == __constant_htons(ETH_P_IPV6)) ?
+ opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
TX_TCP_LSO6 : TX_TCP_LSO;
tso = true;
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
u8 l4proto;
- if (protocol == __constant_htons(ETH_P_IP)) {
+ if (protocol == cpu_to_be16(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)) {
+ } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
l4proto = ipv6_hdr(skb)->nexthdr;
if (l4proto == IPPROTO_TCP)
@@ -1174,7 +1303,16 @@ netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
}
}
-static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+static inline void
+netxen_clear_cmddesc(u64 *desc)
+{
+ int i;
+ for (i = 0; i < 8; i++)
+ desc[i] = 0ULL;
+}
+
+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;
@@ -1188,7 +1326,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
u32 producer, consumer;
int frag_count, no_of_desc;
- u32 num_txd = adapter->max_tx_desc_count;
+ u32 num_txd = adapter->num_txd;
bool is_tso = false;
frag_count = skb_shinfo(skb)->nr_frags + 1;
@@ -1207,7 +1345,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
/* Copy the descriptors into the hardware */
hwdesc = &hw->cmd_desc_head[producer];
- memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+ netxen_clear_cmddesc((u64 *)hwdesc);
/* Take skb->data itself */
pbuf = &adapter->cmd_buf_arr[producer];
@@ -1226,7 +1364,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
netxen_set_tx_port(hwdesc, adapter->portnum);
- hwdesc->buffer1_length = cpu_to_le16(first_seg_len);
+ hwdesc->buffer_length[0] = cpu_to_le16(first_seg_len);
hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
for (i = 1, k = 1; i < frag_count; i++, k++) {
@@ -1239,7 +1377,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
k = 0;
producer = get_next_index(producer, num_txd);
hwdesc = &hw->cmd_desc_head[producer];
- memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+ netxen_clear_cmddesc((u64 *)hwdesc);
pbuf = &adapter->cmd_buf_arr[producer];
pbuf->skb = NULL;
}
@@ -1259,21 +1397,18 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
buffrag->dma = temp_dma;
buffrag->length = temp_len;
+ hwdesc->buffer_length[k] = cpu_to_le16(temp_len);
switch (k) {
case 0:
- hwdesc->buffer1_length = cpu_to_le16(temp_len);
hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
break;
case 1:
- hwdesc->buffer2_length = cpu_to_le16(temp_len);
hwdesc->addr_buffer2 = cpu_to_le64(temp_dma);
break;
case 2:
- hwdesc->buffer3_length = cpu_to_le16(temp_len);
hwdesc->addr_buffer3 = cpu_to_le64(temp_dma);
break;
case 3:
- hwdesc->buffer4_length = cpu_to_le16(temp_len);
hwdesc->addr_buffer4 = cpu_to_le64(temp_dma);
break;
}
@@ -1388,7 +1523,7 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
linkup = (val == XG_LINK_UP_P3);
} else {
val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
- if (adapter->ahw.board_type == NETXEN_NIC_GBE)
+ if (adapter->ahw.port_type == NETXEN_NIC_GBE)
linkup = (val >> port) & 1;
else {
val = (val >> port*8) & 0xff;
@@ -1455,13 +1590,11 @@ static void netxen_tx_timeout_task(struct work_struct *work)
printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
netxen_nic_driver_name, adapter->netdev->name);
- netxen_nic_disable_int(adapter);
- napi_disable(&adapter->napi);
+ netxen_napi_disable(adapter);
adapter->netdev->trans_start = jiffies;
- napi_enable(&adapter->napi);
- netxen_nic_enable_int(adapter);
+ netxen_napi_enable(adapter);
netif_wake_queue(adapter->netdev);
}
@@ -1499,7 +1632,8 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
static irqreturn_t netxen_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
+ struct netxen_adapter *adapter = sds_ring->adapter;
u32 status = 0;
status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
@@ -1530,7 +1664,7 @@ static irqreturn_t netxen_intr(int irq, void *data)
/* clear interrupt */
if (adapter->fw_major < 4)
- netxen_nic_disable_int(adapter);
+ netxen_nic_disable_int(sds_ring);
adapter->pci_write_immediate(adapter,
adapter->legacy_intr.tgt_status_reg,
@@ -1539,61 +1673,49 @@ static irqreturn_t netxen_intr(int irq, void *data)
adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t netxen_msi_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
+ struct netxen_adapter *adapter = sds_ring->adapter;
/* clear interrupt */
adapter->pci_write_immediate(adapter,
msi_tgt_status[adapter->ahw.pci_func], 0xffffffff);
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t netxen_msix_intr(int irq, void *data)
{
- struct netxen_adapter *adapter = data;
+ struct nx_host_sds_ring *sds_ring = data;
- napi_schedule(&adapter->napi);
+ napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static int netxen_nic_poll(struct napi_struct *napi, int budget)
{
- struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi);
+ struct nx_host_sds_ring *sds_ring =
+ container_of(napi, struct nx_host_sds_ring, napi);
+
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
int tx_complete;
- int ctx;
int work_done;
tx_complete = netxen_process_cmd_ring(adapter);
- work_done = 0;
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- /*
- * Fairness issue. This will give undue weight to the
- * receive context 0.
- */
-
- /*
- * To avoid starvation, we give each of our receivers,
- * a fraction of the quota. Sometimes, it might happen that we
- * have enough quota to process every packet, but since all the
- * packets are on one context, it gets only half of the quota,
- * and ends up not processing it.
- */
- work_done += netxen_process_rcv_ring(adapter, ctx,
- budget / MAX_RCV_CTX);
- }
+ work_done = netxen_process_rcv_ring(sds_ring, budget);
if ((work_done < budget) && tx_complete) {
- netif_rx_complete(&adapter->napi);
- netxen_nic_enable_int(adapter);
+ napi_complete(&sds_ring->napi);
+ netxen_nic_enable_int(sds_ring);
}
return work_done;
@@ -1613,13 +1735,17 @@ static struct pci_driver netxen_driver = {
.name = netxen_nic_driver_name,
.id_table = netxen_pci_tbl,
.probe = netxen_nic_probe,
- .remove = __devexit_p(netxen_nic_remove)
+ .remove = __devexit_p(netxen_nic_remove),
+ .suspend = netxen_nic_suspend,
+ .resume = netxen_nic_resume
};
/* Driver Registration on NetXen card */
static int __init netxen_init_module(void)
{
+ printk(KERN_INFO "%s\n", netxen_nic_driver_string);
+
if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
return -ENOMEM;
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