--- /dev/null
+/*
+ * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
+ * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/if_vlan.h>
+#include <linux/crc32.h>
+#include <linux/in.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/if_arp.h>
+#include <linux/highmem.h>
+#include <linux/slab.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/byteorder.h>
+#include <rdma/ib_smi.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_pack.h>
+#include <rdma/iw_cm.h>
+
+#include "nes.h"
+
+#include <net/netevent.h>
+#include <net/neighbour.h>
+#include <linux/route.h>
+#include <net/ip_fib.h>
+
+MODULE_AUTHOR("NetEffect");
+MODULE_DESCRIPTION("NetEffect RNIC Low-level iWARP Driver");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(DRV_VERSION);
+
+int max_mtu = 9000;
+int interrupt_mod_interval = 0;
+
+/* Interoperability */
+int mpa_version = 1;
+module_param(mpa_version, int, 0644);
+MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)");
+
+/* Interoperability */
+int disable_mpa_crc = 0;
+module_param(disable_mpa_crc, int, 0644);
+MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC");
+
+unsigned int nes_drv_opt = NES_DRV_OPT_DISABLE_INT_MOD | NES_DRV_OPT_ENABLE_PAU;
+module_param(nes_drv_opt, int, 0644);
+MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
+
+unsigned int nes_debug_level = 0;
+module_param_named(debug_level, nes_debug_level, uint, 0644);
+MODULE_PARM_DESC(debug_level, "Enable debug output level");
+
+unsigned int wqm_quanta = 0x10000;
+module_param(wqm_quanta, int, 0644);
+MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
+
+static bool limit_maxrdreqsz;
+module_param(limit_maxrdreqsz, bool, 0644);
+MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
+
+LIST_HEAD(nes_adapter_list);
+static LIST_HEAD(nes_dev_list);
+
+atomic_t qps_destroyed;
+
+static unsigned int ee_flsh_adapter;
+static unsigned int sysfs_nonidx_addr;
+static unsigned int sysfs_idx_addr;
+
+static struct pci_device_id nes_pci_table[] = {
+ { PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020), },
+ { PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR), },
+ {0}
+};
+
+MODULE_DEVICE_TABLE(pci, nes_pci_table);
+
+/* registered nes netlink callbacks */
+static struct ibnl_client_cbs nes_nl_cb_table[] = {
+ [RDMA_NL_IWPM_REG_PID] = {.dump = iwpm_register_pid_cb},
+ [RDMA_NL_IWPM_ADD_MAPPING] = {.dump = iwpm_add_mapping_cb},
+ [RDMA_NL_IWPM_QUERY_MAPPING] = {.dump = iwpm_add_and_query_mapping_cb},
+ [RDMA_NL_IWPM_REMOTE_INFO] = {.dump = iwpm_remote_info_cb},
+ [RDMA_NL_IWPM_HANDLE_ERR] = {.dump = iwpm_mapping_error_cb},
+ [RDMA_NL_IWPM_MAPINFO] = {.dump = iwpm_mapping_info_cb},
+ [RDMA_NL_IWPM_MAPINFO_NUM] = {.dump = iwpm_ack_mapping_info_cb}
+};
+
+static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *);
+static int nes_net_event(struct notifier_block *, unsigned long, void *);
+static int nes_notifiers_registered;
+
+
+static struct notifier_block nes_inetaddr_notifier = {
+ .notifier_call = nes_inetaddr_event
+};
+
+static struct notifier_block nes_net_notifier = {
+ .notifier_call = nes_net_event
+};
+
+/**
+ * nes_inetaddr_event
+ */
+static int nes_inetaddr_event(struct notifier_block *notifier,
+ unsigned long event, void *ptr)
+{
+ struct in_ifaddr *ifa = ptr;
+ struct net_device *event_netdev = ifa->ifa_dev->dev;
+ struct nes_device *nesdev;
+ struct net_device *netdev;
+ struct net_device *upper_dev;
+ struct nes_vnic *nesvnic;
+ unsigned int is_bonded;
+
+ nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address %pI4, netmask %pI4.\n",
+ &ifa->ifa_address, &ifa->ifa_mask);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p. (%s)\n",
+ nesdev, nesdev->netdev[0]->name);
+ netdev = nesdev->netdev[0];
+ nesvnic = netdev_priv(netdev);
+ upper_dev = netdev_master_upper_dev_get(netdev);
+ is_bonded = netif_is_bond_slave(netdev) &&
+ (upper_dev == event_netdev);
+ if ((netdev == event_netdev) || is_bonded) {
+ if (nesvnic->rdma_enabled == 0) {
+ nes_debug(NES_DBG_NETDEV, "Returning without processing event for %s since"
+ " RDMA is not enabled.\n",
+ netdev->name);
+ return NOTIFY_OK;
+ }
+ /* we have ifa->ifa_address/mask here if we need it */
+ switch (event) {
+ case NETDEV_DOWN:
+ nes_debug(NES_DBG_NETDEV, "event:DOWN\n");
+ nes_write_indexed(nesdev,
+ NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)), 0);
+
+ nes_manage_arp_cache(netdev, netdev->dev_addr,
+ ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE);
+ nesvnic->local_ipaddr = 0;
+ if (is_bonded)
+ continue;
+ else
+ return NOTIFY_OK;
+ break;
+ case NETDEV_UP:
+ nes_debug(NES_DBG_NETDEV, "event:UP\n");
+
+ if (nesvnic->local_ipaddr != 0) {
+ nes_debug(NES_DBG_NETDEV, "Interface already has local_ipaddr\n");
+ return NOTIFY_OK;
+ }
+ /* fall through */
+ case NETDEV_CHANGEADDR:
+ /* Add the address to the IP table */
+ if (upper_dev)
+ nesvnic->local_ipaddr =
+ ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address;
+ else
+ nesvnic->local_ipaddr = ifa->ifa_address;
+
+ nes_write_indexed(nesdev,
+ NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)),
+ ntohl(nesvnic->local_ipaddr));
+ nes_manage_arp_cache(netdev, netdev->dev_addr,
+ ntohl(nesvnic->local_ipaddr), NES_ARP_ADD);
+ if (is_bonded)
+ continue;
+ else
+ return NOTIFY_OK;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ return NOTIFY_DONE;
+}
+
+
+/**
+ * nes_net_event
+ */
+static int nes_net_event(struct notifier_block *notifier,
+ unsigned long event, void *ptr)
+{
+ struct neighbour *neigh = ptr;
+ struct nes_device *nesdev;
+ struct net_device *netdev;
+ struct nes_vnic *nesvnic;
+
+ switch (event) {
+ case NETEVENT_NEIGH_UPDATE:
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ /* nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p.\n", nesdev); */
+ netdev = nesdev->netdev[0];
+ nesvnic = netdev_priv(netdev);
+ if (netdev == neigh->dev) {
+ if (nesvnic->rdma_enabled == 0) {
+ nes_debug(NES_DBG_NETDEV, "Skipping device %s since no RDMA\n",
+ netdev->name);
+ } else {
+ if (neigh->nud_state & NUD_VALID) {
+ nes_manage_arp_cache(neigh->dev, neigh->ha,
+ ntohl(*(__be32 *)neigh->primary_key), NES_ARP_ADD);
+ } else {
+ nes_manage_arp_cache(neigh->dev, neigh->ha,
+ ntohl(*(__be32 *)neigh->primary_key), NES_ARP_DELETE);
+ }
+ }
+ return NOTIFY_OK;
+ }
+ }
+ break;
+ default:
+ nes_debug(NES_DBG_NETDEV, "NETEVENT_ %lu undefined\n", event);
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
+
+/**
+ * nes_add_ref
+ */
+void nes_add_ref(struct ib_qp *ibqp)
+{
+ struct nes_qp *nesqp;
+
+ nesqp = to_nesqp(ibqp);
+ nes_debug(NES_DBG_QP, "Bumping refcount for QP%u. Pre-inc value = %u\n",
+ ibqp->qp_num, atomic_read(&nesqp->refcount));
+ atomic_inc(&nesqp->refcount);
+}
+
+static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_request *cqp_request)
+{
+ unsigned long flags;
+ struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
+ struct nes_adapter *nesadapter = nesdev->nesadapter;
+
+ atomic_inc(&qps_destroyed);
+
+ /* Free the control structures */
+
+ if (nesqp->pbl_vbase) {
+ pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
+ nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
+ spin_lock_irqsave(&nesadapter->pbl_lock, flags);
+ nesadapter->free_256pbl++;
+ spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
+ pci_free_consistent(nesdev->pcidev, 256, nesqp->pbl_vbase, nesqp->pbl_pbase);
+ nesqp->pbl_vbase = NULL;
+
+ } else {
+ pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
+ nesqp->hwqp.sq_vbase, nesqp->hwqp.sq_pbase);
+ }
+ nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id);
+
+ nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL;
+ kfree(nesqp->allocated_buffer);
+
+}
+
+/**
+ * nes_rem_ref
+ */
+void nes_rem_ref(struct ib_qp *ibqp)
+{
+ u64 u64temp;
+ struct nes_qp *nesqp;
+ struct nes_vnic *nesvnic = to_nesvnic(ibqp->device);
+ struct nes_device *nesdev = nesvnic->nesdev;
+ struct nes_hw_cqp_wqe *cqp_wqe;
+ struct nes_cqp_request *cqp_request;
+ u32 opcode;
+
+ nesqp = to_nesqp(ibqp);
+
+ if (atomic_read(&nesqp->refcount) == 0) {
+ printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n",
+ __func__, ibqp->qp_num, nesqp->last_aeq);
+ BUG();
+ }
+
+ if (atomic_dec_and_test(&nesqp->refcount)) {
+ if (nesqp->pau_mode)
+ nes_destroy_pau_qp(nesdev, nesqp);
+
+ /* Destroy the QP */
+ cqp_request = nes_get_cqp_request(nesdev);
+ if (cqp_request == NULL) {
+ nes_debug(NES_DBG_QP, "Failed to get a cqp_request.\n");
+ return;
+ }
+ cqp_request->waiting = 0;
+ cqp_request->callback = 1;
+ cqp_request->cqp_callback = nes_cqp_rem_ref_callback;
+ cqp_request->cqp_callback_pointer = nesqp;
+ cqp_wqe = &cqp_request->cqp_wqe;
+
+ nes_fill_init_cqp_wqe(cqp_wqe, nesdev);
+ opcode = NES_CQP_DESTROY_QP | NES_CQP_QP_TYPE_IWARP;
+
+ if (nesqp->hte_added) {
+ opcode |= NES_CQP_QP_DEL_HTE;
+ nesqp->hte_added = 0;
+ }
+ set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode);
+ set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id);
+ u64temp = (u64)nesqp->nesqp_context_pbase;
+ set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
+ nes_post_cqp_request(nesdev, cqp_request);
+ }
+}
+
+
+/**
+ * nes_get_qp
+ */
+struct ib_qp *nes_get_qp(struct ib_device *device, int qpn)
+{
+ struct nes_vnic *nesvnic = to_nesvnic(device);
+ struct nes_device *nesdev = nesvnic->nesdev;
+ struct nes_adapter *nesadapter = nesdev->nesadapter;
+
+ if ((qpn < NES_FIRST_QPN) || (qpn >= (NES_FIRST_QPN + nesadapter->max_qp)))
+ return NULL;
+
+ return &nesadapter->qp_table[qpn - NES_FIRST_QPN]->ibqp;
+}
+
+
+/**
+ * nes_print_macaddr
+ */
+static void nes_print_macaddr(struct net_device *netdev)
+{
+ nes_debug(NES_DBG_INIT, "%s: %pM, IRQ %u\n",
+ netdev->name, netdev->dev_addr, netdev->irq);
+}
+
+/**
+ * nes_interrupt - handle interrupts
+ */
+static irqreturn_t nes_interrupt(int irq, void *dev_id)
+{
+ struct nes_device *nesdev = (struct nes_device *)dev_id;
+ int handled = 0;
+ u32 int_mask;
+ u32 int_req;
+ u32 int_stat;
+ u32 intf_int_stat;
+ u32 timer_stat;
+
+ if (nesdev->msi_enabled) {
+ /* No need to read the interrupt pending register if msi is enabled */
+ handled = 1;
+ } else {
+ if (unlikely(nesdev->nesadapter->hw_rev == NE020_REV)) {
+ /* Master interrupt enable provides synchronization for kicking off bottom half
+ when interrupt sharing is going on */
+ int_mask = nes_read32(nesdev->regs + NES_INT_MASK);
+ if (int_mask & 0x80000000) {
+ /* Check interrupt status to see if this might be ours */
+ int_stat = nes_read32(nesdev->regs + NES_INT_STAT);
+ int_req = nesdev->int_req;
+ if (int_stat&int_req) {
+ /* if interesting CEQ or AEQ is pending, claim the interrupt */
+ if ((int_stat&int_req) & (~(NES_INT_TIMER|NES_INT_INTF))) {
+ handled = 1;
+ } else {
+ if (((int_stat & int_req) & NES_INT_TIMER) == NES_INT_TIMER) {
+ /* Timer might be running but might be for another function */
+ timer_stat = nes_read32(nesdev->regs + NES_TIMER_STAT);
+ if ((timer_stat & nesdev->timer_int_req) != 0) {
+ handled = 1;
+ }
+ }
+ if ((((int_stat & int_req) & NES_INT_INTF) == NES_INT_INTF) &&
+ (handled == 0)) {
+ intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT);
+ if ((intf_int_stat & nesdev->intf_int_req) != 0) {
+ handled = 1;
+ }
+ }
+ }
+ if (handled) {
+ nes_write32(nesdev->regs+NES_INT_MASK, int_mask & (~0x80000000));
+ int_mask = nes_read32(nesdev->regs+NES_INT_MASK);
+ /* Save off the status to save an additional read */
+ nesdev->int_stat = int_stat;
+ nesdev->napi_isr_ran = 1;
+ }
+ }
+ }
+ } else {
+ handled = nes_read32(nesdev->regs+NES_INT_PENDING);
+ }
+ }
+
+ if (handled) {
+
+ if (nes_napi_isr(nesdev) == 0) {
+ tasklet_schedule(&nesdev->dpc_tasklet);
+
+ }
+ return IRQ_HANDLED;
+ } else {
+ return IRQ_NONE;
+ }
+}
+
+
+/**
+ * nes_probe - Device initialization
+ */
+static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
+{
+ struct net_device *netdev = NULL;
+ struct nes_device *nesdev = NULL;
+ int ret = 0;
+ void __iomem *mmio_regs = NULL;
+ u8 hw_rev;
+
+ assert(pcidev != NULL);
+ assert(ent != NULL);
+
+ printk(KERN_INFO PFX "NetEffect RNIC driver v%s loading. (%s)\n",
+ DRV_VERSION, pci_name(pcidev));
+
+ ret = pci_enable_device(pcidev);
+ if (ret) {
+ printk(KERN_ERR PFX "Unable to enable PCI device. (%s)\n", pci_name(pcidev));
+ goto bail0;
+ }
+
+ nes_debug(NES_DBG_INIT, "BAR0 (@0x%08lX) size = 0x%lX bytes\n",
+ (long unsigned int)pci_resource_start(pcidev, BAR_0),
+ (long unsigned int)pci_resource_len(pcidev, BAR_0));
+ nes_debug(NES_DBG_INIT, "BAR1 (@0x%08lX) size = 0x%lX bytes\n",
+ (long unsigned int)pci_resource_start(pcidev, BAR_1),
+ (long unsigned int)pci_resource_len(pcidev, BAR_1));
+
+ /* Make sure PCI base addr are MMIO */
+ if (!(pci_resource_flags(pcidev, BAR_0) & IORESOURCE_MEM) ||
+ !(pci_resource_flags(pcidev, BAR_1) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "PCI regions not an MMIO resource\n");
+ ret = -ENODEV;
+ goto bail1;
+ }
+
+ /* Reserve PCI I/O and memory resources */
+ ret = pci_request_regions(pcidev, DRV_NAME);
+ if (ret) {
+ printk(KERN_ERR PFX "Unable to request regions. (%s)\n", pci_name(pcidev));
+ goto bail1;
+ }
+
+ if ((sizeof(dma_addr_t) > 4)) {
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
+ if (ret < 0) {
+ printk(KERN_ERR PFX "64b DMA mask configuration failed\n");
+ goto bail2;
+ }
+ ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
+ if (ret) {
+ printk(KERN_ERR PFX "64b DMA consistent mask configuration failed\n");
+ goto bail2;
+ }
+ } else {
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
+ if (ret < 0) {
+ printk(KERN_ERR PFX "32b DMA mask configuration failed\n");
+ goto bail2;
+ }
+ ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
+ if (ret) {
+ printk(KERN_ERR PFX "32b DMA consistent mask configuration failed\n");
+ goto bail2;
+ }
+ }
+
+ pci_set_master(pcidev);
+
+ /* Allocate hardware structure */
+ nesdev = kzalloc(sizeof(struct nes_device), GFP_KERNEL);
+ if (!nesdev) {
+ printk(KERN_ERR PFX "%s: Unable to alloc hardware struct\n", pci_name(pcidev));
+ ret = -ENOMEM;
+ goto bail2;
+ }
+
+ nes_debug(NES_DBG_INIT, "Allocated nes device at %p\n", nesdev);
+ nesdev->pcidev = pcidev;
+ pci_set_drvdata(pcidev, nesdev);
+
+ pci_read_config_byte(pcidev, 0x0008, &hw_rev);
+ nes_debug(NES_DBG_INIT, "hw_rev=%u\n", hw_rev);
+
+ spin_lock_init(&nesdev->indexed_regs_lock);
+
+ /* Remap the PCI registers in adapter BAR0 to kernel VA space */
+ mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0),
+ pci_resource_len(pcidev, BAR_0));
+ if (mmio_regs == NULL) {
+ printk(KERN_ERR PFX "Unable to remap BAR0\n");
+ ret = -EIO;
+ goto bail3;
+ }
+ nesdev->regs = mmio_regs;
+ nesdev->index_reg = 0x50 + (PCI_FUNC(pcidev->devfn)*8) + mmio_regs;
+
+ /* Ensure interrupts are disabled */
+ nes_write32(nesdev->regs+NES_INT_MASK, 0x7fffffff);
+
+ if (nes_drv_opt & NES_DRV_OPT_ENABLE_MSI) {
+ if (!pci_enable_msi(nesdev->pcidev)) {
+ nesdev->msi_enabled = 1;
+ nes_debug(NES_DBG_INIT, "MSI is enabled for device %s\n",
+ pci_name(pcidev));
+ } else {
+ nes_debug(NES_DBG_INIT, "MSI is disabled by linux for device %s\n",
+ pci_name(pcidev));
+ }
+ } else {
+ nes_debug(NES_DBG_INIT, "MSI not requested due to driver options for device %s\n",
+ pci_name(pcidev));
+ }
+
+ nesdev->csr_start = pci_resource_start(nesdev->pcidev, BAR_0);
+ nesdev->doorbell_region = pci_resource_start(nesdev->pcidev, BAR_1);
+
+ /* Init the adapter */
+ nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev);
+ if (!nesdev->nesadapter) {
+ printk(KERN_ERR PFX "Unable to initialize adapter.\n");
+ ret = -ENOMEM;
+ goto bail5;
+ }
+ nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval;
+ nesdev->nesadapter->wqm_quanta = wqm_quanta;
+
+ /* nesdev->base_doorbell_index =
+ nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
+ nesdev->base_doorbell_index = 1;
+ nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
+ if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ switch (PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count) {
+ case 1:
+ nesdev->mac_index = 2;
+ break;
+ case 2:
+ nesdev->mac_index = 1;
+ break;
+ case 3:
+ nesdev->mac_index = 3;
+ break;
+ case 0:
+ default:
+ nesdev->mac_index = 0;
+ }
+ } else {
+ nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count;
+ }
+
+ if ((limit_maxrdreqsz ||
+ ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) &&
+ (hw_rev == NE020_REV1))) &&
+ (pcie_get_readrq(pcidev) > 256)) {
+ if (pcie_set_readrq(pcidev, 256))
+ printk(KERN_ERR PFX "Unable to set max read request"
+ " to 256 bytes\n");
+ else
+ nes_debug(NES_DBG_INIT, "Max read request size set"
+ " to 256 bytes\n");
+ }
+
+ tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
+
+ /* bring up the Control QP */
+ if (nes_init_cqp(nesdev)) {
+ ret = -ENODEV;
+ goto bail6;
+ }
+
+ /* Arm the CCQ */
+ nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
+ PCI_FUNC(nesdev->pcidev->devfn));
+ nes_read32(nesdev->regs+NES_CQE_ALLOC);
+
+ /* Enable the interrupts */
+ nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
+ (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
+ if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
+ nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
+ }
+
+ /* TODO: This really should be the first driver to load, not function 0 */
+ if (PCI_FUNC(nesdev->pcidev->devfn) == 0) {
+ /* pick up PCI and critical errors if the first driver to load */
+ nesdev->intf_int_req = NES_INTF_INT_PCIERR | NES_INTF_INT_CRITERR;
+ nesdev->int_req |= NES_INT_INTF;
+ } else {
+ nesdev->intf_int_req = 0;
+ }
+ nesdev->intf_int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0, 0);
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 0);
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS2, 0x00001265);
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS4, 0x18021804);
+
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS3, 0x17801790);
+
+ /* deal with both periodic and one_shot */
+ nesdev->timer_int_req = 0x101 << PCI_FUNC(nesdev->pcidev->devfn);
+ nesdev->nesadapter->timer_int_req |= nesdev->timer_int_req;
+ nes_debug(NES_DBG_INIT, "setting int_req for function %u, nesdev = 0x%04X, adapter = 0x%04X\n",
+ PCI_FUNC(nesdev->pcidev->devfn),
+ nesdev->timer_int_req, nesdev->nesadapter->timer_int_req);
+
+ nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
+
+ list_add_tail(&nesdev->list, &nes_dev_list);
+
+ /* Request an interrupt line for the driver */
+ ret = request_irq(pcidev->irq, nes_interrupt, IRQF_SHARED, DRV_NAME, nesdev);
+ if (ret) {
+ printk(KERN_ERR PFX "%s: requested IRQ %u is busy\n",
+ pci_name(pcidev), pcidev->irq);
+ goto bail65;
+ }
+
+ nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
+
+ if (nes_notifiers_registered == 0) {
+ register_inetaddr_notifier(&nes_inetaddr_notifier);
+ register_netevent_notifier(&nes_net_notifier);
+ }
+ nes_notifiers_registered++;
+
+ if (ibnl_add_client(RDMA_NL_NES, RDMA_NL_IWPM_NUM_OPS, nes_nl_cb_table))
+ printk(KERN_ERR PFX "%s[%u]: Failed to add netlink callback\n",
+ __func__, __LINE__);
+
+ ret = iwpm_init(RDMA_NL_NES);
+ if (ret) {
+ printk(KERN_ERR PFX "%s: port mapper initialization failed\n",
+ pci_name(pcidev));
+ goto bail7;
+ }
+
+ INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status);
+
+ /* Initialize network devices */
+ netdev = nes_netdev_init(nesdev, mmio_regs);
+ if (netdev == NULL) {
+ ret = -ENOMEM;
+ goto bail7;
+ }
+
+ /* Register network device */
+ ret = register_netdev(netdev);
+ if (ret) {
+ printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
+ nes_netdev_destroy(netdev);
+ goto bail7;
+ }
+
+ nes_print_macaddr(netdev);
+
+ nesdev->netdev_count++;
+ nesdev->nesadapter->netdev_count++;
+
+ printk(KERN_INFO PFX "%s: NetEffect RNIC driver successfully loaded.\n",
+ pci_name(pcidev));
+ return 0;
+
+ bail7:
+ printk(KERN_ERR PFX "bail7\n");
+ while (nesdev->netdev_count > 0) {
+ nesdev->netdev_count--;
+ nesdev->nesadapter->netdev_count--;
+
+ unregister_netdev(nesdev->netdev[nesdev->netdev_count]);
+ nes_netdev_destroy(nesdev->netdev[nesdev->netdev_count]);
+ }
+
+ nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n",
+ nesdev->netdev_count, nesdev->nesadapter->netdev_count);
+ ibnl_remove_client(RDMA_NL_NES);
+
+ nes_notifiers_registered--;
+ if (nes_notifiers_registered == 0) {
+ unregister_netevent_notifier(&nes_net_notifier);
+ unregister_inetaddr_notifier(&nes_inetaddr_notifier);
+ }
+
+ list_del(&nesdev->list);
+ nes_destroy_cqp(nesdev);
+
+ bail65:
+ printk(KERN_ERR PFX "bail65\n");
+ free_irq(pcidev->irq, nesdev);
+ if (nesdev->msi_enabled) {
+ pci_disable_msi(pcidev);
+ }
+ bail6:
+ printk(KERN_ERR PFX "bail6\n");
+ tasklet_kill(&nesdev->dpc_tasklet);
+ /* Deallocate the Adapter Structure */
+ nes_destroy_adapter(nesdev->nesadapter);
+
+ bail5:
+ printk(KERN_ERR PFX "bail5\n");
+ iounmap(nesdev->regs);
+
+ bail3:
+ printk(KERN_ERR PFX "bail3\n");
+ kfree(nesdev);
+
+ bail2:
+ pci_release_regions(pcidev);
+
+ bail1:
+ pci_disable_device(pcidev);
+
+ bail0:
+ return ret;
+}
+
+
+/**
+ * nes_remove - unload from kernel
+ */
+static void nes_remove(struct pci_dev *pcidev)
+{
+ struct nes_device *nesdev = pci_get_drvdata(pcidev);
+ struct net_device *netdev;
+ int netdev_index = 0;
+ unsigned long flags;
+
+ if (nesdev->netdev_count) {
+ netdev = nesdev->netdev[netdev_index];
+ if (netdev) {
+ netif_stop_queue(netdev);
+ unregister_netdev(netdev);
+ nes_netdev_destroy(netdev);
+
+ nesdev->netdev[netdev_index] = NULL;
+ nesdev->netdev_count--;
+ nesdev->nesadapter->netdev_count--;
+ }
+ }
+ ibnl_remove_client(RDMA_NL_NES);
+ iwpm_exit(RDMA_NL_NES);
+
+ nes_notifiers_registered--;
+ if (nes_notifiers_registered == 0) {
+ unregister_netevent_notifier(&nes_net_notifier);
+ unregister_inetaddr_notifier(&nes_inetaddr_notifier);
+ }
+
+ list_del(&nesdev->list);
+ nes_destroy_cqp(nesdev);
+
+ free_irq(pcidev->irq, nesdev);
+ tasklet_kill(&nesdev->dpc_tasklet);
+
+ spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
+ if (nesdev->link_recheck) {
+ spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
+ cancel_delayed_work_sync(&nesdev->work);
+ } else {
+ spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
+ }
+
+ /* Deallocate the Adapter Structure */
+ nes_destroy_adapter(nesdev->nesadapter);
+
+ if (nesdev->msi_enabled) {
+ pci_disable_msi(pcidev);
+ }
+
+ iounmap(nesdev->regs);
+ kfree(nesdev);
+
+ /* nes_debug(NES_DBG_SHUTDOWN, "calling pci_release_regions.\n"); */
+ pci_release_regions(pcidev);
+ pci_disable_device(pcidev);
+ pci_set_drvdata(pcidev, NULL);
+}
+
+
+static struct pci_driver nes_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = nes_pci_table,
+ .probe = nes_probe,
+ .remove = nes_remove,
+};
+
+static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
+{
+ unsigned int devfn = 0xffffffff;
+ unsigned char bus_number = 0xff;
+ unsigned int i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ devfn = nesdev->pcidev->devfn;
+ bus_number = nesdev->pcidev->bus->number;
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
+}
+
+static ssize_t nes_store_adapter(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+
+ ee_flsh_adapter = simple_strtoul(p, &p, 10);
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_ee_cmd(struct device_driver *ddp, char *buf)
+{
+ u32 eeprom_cmd = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ eeprom_cmd = nes_read32(nesdev->regs + NES_EEPROM_COMMAND);
+ break;
+ }
+ i++;
+ }
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_cmd);
+}
+
+static ssize_t nes_store_ee_cmd(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write32(nesdev->regs + NES_EEPROM_COMMAND, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_ee_data(struct device_driver *ddp, char *buf)
+{
+ u32 eeprom_data = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ eeprom_data = nes_read32(nesdev->regs + NES_EEPROM_DATA);
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_data);
+}
+
+static ssize_t nes_store_ee_data(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write32(nesdev->regs + NES_EEPROM_DATA, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_flash_cmd(struct device_driver *ddp, char *buf)
+{
+ u32 flash_cmd = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ flash_cmd = nes_read32(nesdev->regs + NES_FLASH_COMMAND);
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_cmd);
+}
+
+static ssize_t nes_store_flash_cmd(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write32(nesdev->regs + NES_FLASH_COMMAND, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_flash_data(struct device_driver *ddp, char *buf)
+{
+ u32 flash_data = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ flash_data = nes_read32(nesdev->regs + NES_FLASH_DATA);
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_data);
+}
+
+static ssize_t nes_store_flash_data(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write32(nesdev->regs + NES_FLASH_DATA, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_nonidx_addr(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_nonidx_addr);
+}
+
+static ssize_t nes_store_nonidx_addr(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
+ sysfs_nonidx_addr = simple_strtoul(p, &p, 16);
+
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_nonidx_data(struct device_driver *ddp, char *buf)
+{
+ u32 nonidx_data = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nonidx_data = nes_read32(nesdev->regs + sysfs_nonidx_addr);
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", nonidx_data);
+}
+
+static ssize_t nes_store_nonidx_data(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write32(nesdev->regs + sysfs_nonidx_addr, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_idx_addr(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_idx_addr);
+}
+
+static ssize_t nes_store_idx_addr(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
+ sysfs_idx_addr = simple_strtoul(p, &p, 16);
+
+ return strnlen(buf, count);
+}
+
+static ssize_t nes_show_idx_data(struct device_driver *ddp, char *buf)
+{
+ u32 idx_data = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ idx_data = nes_read_indexed(nesdev, sysfs_idx_addr);
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", idx_data);
+}
+
+static ssize_t nes_store_idx_data(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ char *p = (char *)buf;
+ u32 val;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
+ val = simple_strtoul(p, &p, 16);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nes_write_indexed(nesdev, sysfs_idx_addr, val);
+ break;
+ }
+ i++;
+ }
+ }
+ return strnlen(buf, count);
+}
+
+
+/**
+ * nes_show_wqm_quanta
+ */
+static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
+{
+ u32 wqm_quanta_value = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ wqm_quanta_value = nesdev->nesadapter->wqm_quanta;
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta_value);
+}
+
+
+/**
+ * nes_store_wqm_quanta
+ */
+static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ unsigned long wqm_quanta_value;
+ u32 wqm_config1;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ if (kstrtoul(buf, 0, &wqm_quanta_value) < 0)
+ return -EINVAL;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
+ wqm_config1 = nes_read_indexed(nesdev,
+ NES_IDX_WQM_CONFIG1);
+ nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1,
+ ((wqm_quanta_value << 1) |
+ (wqm_config1 & 0x00000001)));
+ break;
+ }
+ i++;
+ }
+ return strnlen(buf, count);
+}
+
+static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR,
+ nes_show_adapter, nes_store_adapter);
+static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR,
+ nes_show_ee_cmd, nes_store_ee_cmd);
+static DRIVER_ATTR(eeprom_data, S_IRUSR | S_IWUSR,
+ nes_show_ee_data, nes_store_ee_data);
+static DRIVER_ATTR(flash_cmd, S_IRUSR | S_IWUSR,
+ nes_show_flash_cmd, nes_store_flash_cmd);
+static DRIVER_ATTR(flash_data, S_IRUSR | S_IWUSR,
+ nes_show_flash_data, nes_store_flash_data);
+static DRIVER_ATTR(nonidx_addr, S_IRUSR | S_IWUSR,
+ nes_show_nonidx_addr, nes_store_nonidx_addr);
+static DRIVER_ATTR(nonidx_data, S_IRUSR | S_IWUSR,
+ nes_show_nonidx_data, nes_store_nonidx_data);
+static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR,
+ nes_show_idx_addr, nes_store_idx_addr);
+static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR,
+ nes_show_idx_data, nes_store_idx_data);
+static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR,
+ nes_show_wqm_quanta, nes_store_wqm_quanta);
+
+static int nes_create_driver_sysfs(struct pci_driver *drv)
+{
+ int error;
+ error = driver_create_file(&drv->driver, &driver_attr_adapter);
+ error |= driver_create_file(&drv->driver, &driver_attr_eeprom_cmd);
+ error |= driver_create_file(&drv->driver, &driver_attr_eeprom_data);
+ error |= driver_create_file(&drv->driver, &driver_attr_flash_cmd);
+ error |= driver_create_file(&drv->driver, &driver_attr_flash_data);
+ error |= driver_create_file(&drv->driver, &driver_attr_nonidx_addr);
+ error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data);
+ error |= driver_create_file(&drv->driver, &driver_attr_idx_addr);
+ error |= driver_create_file(&drv->driver, &driver_attr_idx_data);
+ error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta);
+ return error;
+}
+
+static void nes_remove_driver_sysfs(struct pci_driver *drv)
+{
+ driver_remove_file(&drv->driver, &driver_attr_adapter);
+ driver_remove_file(&drv->driver, &driver_attr_eeprom_cmd);
+ driver_remove_file(&drv->driver, &driver_attr_eeprom_data);
+ driver_remove_file(&drv->driver, &driver_attr_flash_cmd);
+ driver_remove_file(&drv->driver, &driver_attr_flash_data);
+ driver_remove_file(&drv->driver, &driver_attr_nonidx_addr);
+ driver_remove_file(&drv->driver, &driver_attr_nonidx_data);
+ driver_remove_file(&drv->driver, &driver_attr_idx_addr);
+ driver_remove_file(&drv->driver, &driver_attr_idx_data);
+ driver_remove_file(&drv->driver, &driver_attr_wqm_quanta);
+}
+
+/**
+ * nes_init_module - module initialization entry point
+ */
+static int __init nes_init_module(void)
+{
+ int retval;
+ int retval1;
+
+ retval = nes_cm_start();
+ if (retval) {
+ printk(KERN_ERR PFX "Unable to start NetEffect iWARP CM.\n");
+ return retval;
+ }
+ retval = pci_register_driver(&nes_pci_driver);
+ if (retval >= 0) {
+ retval1 = nes_create_driver_sysfs(&nes_pci_driver);
+ if (retval1 < 0)
+ printk(KERN_ERR PFX "Unable to create NetEffect sys files.\n");
+ }
+ return retval;
+}
+
+
+/**
+ * nes_exit_module - module unload entry point
+ */
+static void __exit nes_exit_module(void)
+{
+ nes_cm_stop();
+ nes_remove_driver_sysfs(&nes_pci_driver);
+
+ pci_unregister_driver(&nes_pci_driver);
+}
+
+
+module_init(nes_init_module);
+module_exit(nes_exit_module);
Code Review / kvmfornfv.git / blobdiff