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path: root/drivers/infiniband/hw/nes/nes.c
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Diffstat (limited to 'drivers/infiniband/hw/nes/nes.c')
-rw-r--r--drivers/infiniband/hw/nes/nes.c132
1 files changed, 89 insertions, 43 deletions
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index b9d09bafd6c..3b2a6dc8ea9 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved.
+ * 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
@@ -44,6 +44,7 @@
#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>
@@ -67,7 +68,6 @@ MODULE_VERSION(DRV_VERSION);
int max_mtu = 9000;
int interrupt_mod_interval = 0;
-
/* Interoperability */
int mpa_version = 1;
module_param(mpa_version, int, 0644);
@@ -78,12 +78,7 @@ 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 send_first = 0;
-module_param(send_first, int, 0644);
-MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
-
-
-unsigned int nes_drv_opt = 0;
+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");
@@ -95,7 +90,7 @@ unsigned int wqm_quanta = 0x10000;
module_param(wqm_quanta, int, 0644);
MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
-static unsigned int limit_maxrdreqsz;
+static bool limit_maxrdreqsz;
module_param(limit_maxrdreqsz, bool, 0644);
MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
@@ -109,12 +104,23 @@ static unsigned int sysfs_nonidx_addr;
static unsigned int sysfs_idx_addr;
static struct pci_device_id nes_pci_table[] = {
- {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
+ { 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_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;
@@ -128,9 +134,6 @@ static struct notifier_block nes_net_notifier = {
.notifier_call = nes_net_event
};
-
-
-
/**
* nes_inetaddr_event
*/
@@ -141,7 +144,9 @@ static int nes_inetaddr_event(struct notifier_block *notifier,
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);
@@ -150,7 +155,10 @@ static int nes_inetaddr_event(struct notifier_block *notifier,
nesdev, nesdev->netdev[0]->name);
netdev = nesdev->netdev[0];
nesvnic = netdev_priv(netdev);
- if (netdev == event_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",
@@ -167,7 +175,10 @@ static int nes_inetaddr_event(struct notifier_block *notifier,
nes_manage_arp_cache(netdev, netdev->dev_addr,
ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE);
nesvnic->local_ipaddr = 0;
- return NOTIFY_OK;
+ if (is_bonded)
+ continue;
+ else
+ return NOTIFY_OK;
break;
case NETDEV_UP:
nes_debug(NES_DBG_NETDEV, "event:UP\n");
@@ -176,15 +187,24 @@ static int nes_inetaddr_event(struct notifier_block *notifier,
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 */
- nesvnic->local_ipaddr = ifa->ifa_address;
+ 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(ifa->ifa_address));
+ ntohl(nesvnic->local_ipaddr));
nes_manage_arp_cache(netdev, netdev->dev_addr,
ntohl(nesvnic->local_ipaddr), NES_ARP_ADD);
- return NOTIFY_OK;
+ if (is_bonded)
+ continue;
+ else
+ return NOTIFY_OK;
break;
default:
break;
@@ -257,13 +277,11 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
unsigned long flags;
struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
struct nes_adapter *nesadapter = nesdev->nesadapter;
- u32 qp_id;
atomic_inc(&qps_destroyed);
/* Free the control structures */
- qp_id = nesqp->hwqp.qp_id;
if (nesqp->pbl_vbase) {
pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
@@ -306,6 +324,9 @@ void nes_rem_ref(struct ib_qp *ibqp)
}
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) {
@@ -434,12 +455,11 @@ static irqreturn_t nes_interrupt(int irq, void *dev_id)
/**
* nes_probe - Device initialization
*/
-static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
+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;
- struct nes_vnic *nesvnic = NULL;
void __iomem *mmio_regs = NULL;
u8 hw_rev;
@@ -661,28 +681,40 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
}
nes_notifiers_registered++;
- /* Initialize network devices */
- if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) {
- goto bail7;
- }
+ 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__);
- /* 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;
- }
+ ret = iwpm_init(RDMA_NL_NES);
+ if (ret) {
+ printk(KERN_ERR PFX "%s: port mapper initialization failed\n",
+ pci_name(pcidev));
+ goto bail7;
+ }
- nes_print_macaddr(netdev);
- /* create a CM core for this netdev */
- nesvnic = netdev_priv(netdev);
+ 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;
+ }
- nesdev->netdev_count++;
- nesdev->nesadapter->netdev_count++;
+ /* 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);
- printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n",
+ nesdev->netdev_count++;
+ nesdev->nesadapter->netdev_count++;
+
+ printk(KERN_INFO PFX "%s: NetEffect RNIC driver successfully loaded.\n",
pci_name(pcidev));
return 0;
@@ -698,6 +730,7 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
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) {
@@ -742,11 +775,12 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
/**
* nes_remove - unload from kernel
*/
-static void __devexit nes_remove(struct pci_dev *pcidev)
+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];
@@ -760,6 +794,8 @@ static void __devexit nes_remove(struct pci_dev *pcidev)
nesdev->nesadapter->netdev_count--;
}
}
+ ibnl_remove_client(RDMA_NL_NES);
+ iwpm_exit(RDMA_NL_NES);
nes_notifiers_registered--;
if (nes_notifiers_registered == 0) {
@@ -773,6 +809,14 @@ static void __devexit nes_remove(struct pci_dev *pcidev)
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);
@@ -794,7 +838,7 @@ static struct pci_driver nes_pci_driver = {
.name = DRV_NAME,
.id_table = nes_pci_table,
.probe = nes_probe,
- .remove = __devexit_p(nes_remove),
+ .remove = nes_remove,
};
static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
@@ -1102,7 +1146,7 @@ static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
i++;
}
- return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
+ return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta_value);
}
@@ -1117,7 +1161,9 @@ static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
u32 i = 0;
struct nes_device *nesdev;
- strict_strtoul(buf, 0, &wqm_quanta_value);
+ 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;