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-rw-r--r--MAINTAINERS4
-rw-r--r--drivers/infiniband/core/mad.c14
-rw-r--r--drivers/infiniband/core/ucma.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c1
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c83
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c10
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h1
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ethtool.c9
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c7
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c67
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_vlan.c4
13 files changed, 145 insertions, 65 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 8dae4555f10e..a47bff2a436d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2899,9 +2899,9 @@ S: Maintained
NETEFFECT IWARP RNIC DRIVER (IW_NES)
P: Faisal Latif
-M: flatif@neteffect.com
+M: faisal.latif@intel.com
P: Chien Tung
-M: ctung@neteffect.com
+M: chien.tin.tung@intel.com
L: general@lists.openfabrics.org
W: http://www.neteffect.com
S: Supported
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 49c45feccd5b..5c54fc2350be 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -406,19 +406,15 @@ static int register_snoop_agent(struct ib_mad_qp_info *qp_info,
if (i == qp_info->snoop_table_size) {
/* Grow table. */
- new_snoop_table = kmalloc(sizeof mad_snoop_priv *
- qp_info->snoop_table_size + 1,
- GFP_ATOMIC);
+ new_snoop_table = krealloc(qp_info->snoop_table,
+ sizeof mad_snoop_priv *
+ (qp_info->snoop_table_size + 1),
+ GFP_ATOMIC);
if (!new_snoop_table) {
i = -ENOMEM;
goto out;
}
- if (qp_info->snoop_table) {
- memcpy(new_snoop_table, qp_info->snoop_table,
- sizeof mad_snoop_priv *
- qp_info->snoop_table_size);
- kfree(qp_info->snoop_table);
- }
+
qp_info->snoop_table = new_snoop_table;
qp_info->snoop_table_size++;
}
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 3ddacf39b7ba..4346a24568fb 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -904,8 +904,8 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
mutex_lock(&file->mut);
mc = ucma_alloc_multicast(ctx);
- if (IS_ERR(mc)) {
- ret = PTR_ERR(mc);
+ if (!mc) {
+ ret = -ENOMEM;
goto err1;
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index c325c44807e8..44e936e48a31 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1942,6 +1942,7 @@ fail4:
fail3:
cxgb3_free_atid(ep->com.tdev, ep->atid);
fail2:
+ cm_id->rem_ref(cm_id);
put_ep(&ep->com);
out:
return err;
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 5d7b7855afb9..4df887af66a5 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -128,6 +128,8 @@ struct ehca_shca {
/* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */
u32 hca_cap_mr_pgsize;
int max_mtu;
+ int max_num_qps;
+ int max_num_cqs;
atomic_t num_cqs;
atomic_t num_qps;
};
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 33647a95eb9a..2f4c28a30271 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -132,9 +132,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
return ERR_PTR(-EINVAL);
- if (!atomic_add_unless(&shca->num_cqs, 1, ehca_max_cq)) {
+ if (!atomic_add_unless(&shca->num_cqs, 1, shca->max_num_cqs)) {
ehca_err(device, "Unable to create CQ, max number of %i "
- "CQs reached.", ehca_max_cq);
+ "CQs reached.", shca->max_num_cqs);
ehca_err(device, "To increase the maximum number of CQs "
"use the number_of_cqs module parameter.\n");
return ERR_PTR(-ENOSPC);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 598844d2edc9..bb02a86aa526 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -44,6 +44,8 @@
#include <linux/slab.h>
#endif
+#include <linux/notifier.h>
+#include <linux/memory.h>
#include "ehca_classes.h"
#include "ehca_iverbs.h"
#include "ehca_mrmw.h"
@@ -366,22 +368,23 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
shca->hca_cap_mr_pgsize |= pgsize_map[i + 1];
/* Set maximum number of CQs and QPs to calculate EQ size */
- if (ehca_max_qp == -1)
- ehca_max_qp = min_t(int, rblock->max_qp, EHCA_MAX_NUM_QUEUES);
- else if (ehca_max_qp < 1 || ehca_max_qp > rblock->max_qp) {
- ehca_gen_err("Requested number of QPs is out of range (1 - %i) "
- "specified by HW", rblock->max_qp);
- ret = -EINVAL;
- goto sense_attributes1;
+ if (shca->max_num_qps == -1)
+ shca->max_num_qps = min_t(int, rblock->max_qp,
+ EHCA_MAX_NUM_QUEUES);
+ else if (shca->max_num_qps < 1 || shca->max_num_qps > rblock->max_qp) {
+ ehca_gen_warn("The requested number of QPs is out of range "
+ "(1 - %i) specified by HW. Value is set to %i",
+ rblock->max_qp, rblock->max_qp);
+ shca->max_num_qps = rblock->max_qp;
}
- if (ehca_max_cq == -1)
- ehca_max_cq = min_t(int, rblock->max_cq, EHCA_MAX_NUM_QUEUES);
- else if (ehca_max_cq < 1 || ehca_max_cq > rblock->max_cq) {
- ehca_gen_err("Requested number of CQs is out of range (1 - %i) "
- "specified by HW", rblock->max_cq);
- ret = -EINVAL;
- goto sense_attributes1;
+ if (shca->max_num_cqs == -1)
+ shca->max_num_cqs = min_t(int, rblock->max_cq,
+ EHCA_MAX_NUM_QUEUES);
+ else if (shca->max_num_cqs < 1 || shca->max_num_cqs > rblock->max_cq) {
+ ehca_gen_warn("The requested number of CQs is out of range "
+ "(1 - %i) specified by HW. Value is set to %i",
+ rblock->max_cq, rblock->max_cq);
}
/* query max MTU from first port -- it's the same for all ports */
@@ -733,9 +736,13 @@ static int __devinit ehca_probe(struct of_device *dev,
ehca_gen_err("Cannot allocate shca memory.");
return -ENOMEM;
}
+
mutex_init(&shca->modify_mutex);
atomic_set(&shca->num_cqs, 0);
atomic_set(&shca->num_qps, 0);
+ shca->max_num_qps = ehca_max_qp;
+ shca->max_num_cqs = ehca_max_cq;
+
for (i = 0; i < ARRAY_SIZE(shca->sport); i++)
spin_lock_init(&shca->sport[i].mod_sqp_lock);
@@ -755,7 +762,7 @@ static int __devinit ehca_probe(struct of_device *dev,
goto probe1;
}
- eq_size = 2 * ehca_max_cq + 4 * ehca_max_qp;
+ eq_size = 2 * shca->max_num_cqs + 4 * shca->max_num_qps;
/* create event queues */
ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, eq_size);
if (ret) {
@@ -964,6 +971,41 @@ void ehca_poll_eqs(unsigned long data)
spin_unlock(&shca_list_lock);
}
+static int ehca_mem_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ static unsigned long ehca_dmem_warn_time;
+
+ switch (action) {
+ case MEM_CANCEL_OFFLINE:
+ case MEM_CANCEL_ONLINE:
+ case MEM_ONLINE:
+ case MEM_OFFLINE:
+ return NOTIFY_OK;
+ case MEM_GOING_ONLINE:
+ case MEM_GOING_OFFLINE:
+ /* only ok if no hca is attached to the lpar */
+ spin_lock(&shca_list_lock);
+ if (list_empty(&shca_list)) {
+ spin_unlock(&shca_list_lock);
+ return NOTIFY_OK;
+ } else {
+ spin_unlock(&shca_list_lock);
+ if (printk_timed_ratelimit(&ehca_dmem_warn_time,
+ 30 * 1000))
+ ehca_gen_err("DMEM operations are not allowed"
+ "as long as an ehca adapter is"
+ "attached to the LPAR");
+ return NOTIFY_BAD;
+ }
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block ehca_mem_nb = {
+ .notifier_call = ehca_mem_notifier,
+};
+
static int __init ehca_module_init(void)
{
int ret;
@@ -991,6 +1033,12 @@ static int __init ehca_module_init(void)
goto module_init2;
}
+ ret = register_memory_notifier(&ehca_mem_nb);
+ if (ret) {
+ ehca_gen_err("Failed registering memory add/remove notifier");
+ goto module_init3;
+ }
+
if (ehca_poll_all_eqs != 1) {
ehca_gen_err("WARNING!!!");
ehca_gen_err("It is possible to lose interrupts.");
@@ -1003,6 +1051,9 @@ static int __init ehca_module_init(void)
return 0;
+module_init3:
+ ibmebus_unregister_driver(&ehca_driver);
+
module_init2:
ehca_destroy_slab_caches();
@@ -1018,6 +1069,8 @@ static void __exit ehca_module_exit(void)
ibmebus_unregister_driver(&ehca_driver);
+ unregister_memory_notifier(&ehca_mem_nb);
+
ehca_destroy_slab_caches();
ehca_destroy_comp_pool();
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 4dbe2870e014..4d54b9f64567 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -465,9 +465,9 @@ static struct ehca_qp *internal_create_qp(
u32 swqe_size = 0, rwqe_size = 0, ib_qp_num;
unsigned long flags;
- if (!atomic_add_unless(&shca->num_qps, 1, ehca_max_qp)) {
+ if (!atomic_add_unless(&shca->num_qps, 1, shca->max_num_qps)) {
ehca_err(pd->device, "Unable to create QP, max number of %i "
- "QPs reached.", ehca_max_qp);
+ "QPs reached.", shca->max_num_qps);
ehca_err(pd->device, "To increase the maximum number of QPs "
"use the number_of_qps module parameter.\n");
return ERR_PTR(-ENOSPC);
@@ -502,6 +502,12 @@ static struct ehca_qp *internal_create_qp(
if (init_attr->srq) {
my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq);
+ if (qp_type == IB_QPT_UC) {
+ ehca_err(pd->device, "UC with SRQ not supported");
+ atomic_dec(&shca->num_qps);
+ return ERR_PTR(-EINVAL);
+ }
+
has_srq = 1;
parms.ext_type = EQPT_SRQBASE;
parms.srq_qpn = my_srq->real_qp_num;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 68ba5c3482e4..e0c7dfabf2b4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -507,6 +507,7 @@ int ipoib_pkey_dev_delay_open(struct net_device *dev);
void ipoib_drain_cq(struct net_device *dev);
void ipoib_set_ethtool_ops(struct net_device *dev);
+int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
#ifdef CONFIG_INFINIBAND_IPOIB_CM
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 66af5c1a76e5..e9795f60e5d6 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -42,6 +42,13 @@ static void ipoib_get_drvinfo(struct net_device *netdev,
strncpy(drvinfo->driver, "ipoib", sizeof(drvinfo->driver) - 1);
}
+static u32 ipoib_get_rx_csum(struct net_device *dev)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ return test_bit(IPOIB_FLAG_CSUM, &priv->flags) &&
+ !test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
+}
+
static int ipoib_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
@@ -129,7 +136,7 @@ static void ipoib_get_ethtool_stats(struct net_device *dev,
static const struct ethtool_ops ipoib_ethtool_ops = {
.get_drvinfo = ipoib_get_drvinfo,
- .get_tso = ethtool_op_get_tso,
+ .get_rx_csum = ipoib_get_rx_csum,
.get_coalesce = ipoib_get_coalesce,
.set_coalesce = ipoib_set_coalesce,
.get_flags = ethtool_op_get_flags,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 0e748aeeae99..28eb6f03c588 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -685,10 +685,6 @@ int ipoib_ib_dev_open(struct net_device *dev)
queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
round_jiffies_relative(HZ));
- init_timer(&priv->poll_timer);
- priv->poll_timer.function = ipoib_ib_tx_timer_func;
- priv->poll_timer.data = (unsigned long)dev;
-
set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
return 0;
@@ -906,6 +902,9 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
return -ENODEV;
}
+ setup_timer(&priv->poll_timer, ipoib_ib_tx_timer_func,
+ (unsigned long) dev);
+
if (dev->flags & IFF_UP) {
if (ipoib_ib_dev_open(dev)) {
ipoib_transport_dev_cleanup(dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index c0ee514396df..fddded7900d1 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1173,11 +1173,48 @@ int ipoib_add_pkey_attr(struct net_device *dev)
return device_create_file(&dev->dev, &dev_attr_pkey);
}
+int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca)
+{
+ struct ib_device_attr *device_attr;
+ int result = -ENOMEM;
+
+ device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);
+ if (!device_attr) {
+ printk(KERN_WARNING "%s: allocation of %zu bytes failed\n",
+ hca->name, sizeof *device_attr);
+ return result;
+ }
+
+ result = ib_query_device(hca, device_attr);
+ if (result) {
+ printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n",
+ hca->name, result);
+ kfree(device_attr);
+ return result;
+ }
+ priv->hca_caps = device_attr->device_cap_flags;
+
+ kfree(device_attr);
+
+ if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
+ set_bit(IPOIB_FLAG_CSUM, &priv->flags);
+ priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+ }
+
+ if (lro)
+ priv->dev->features |= NETIF_F_LRO;
+
+ if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
+ priv->dev->features |= NETIF_F_TSO;
+
+ return 0;
+}
+
+
static struct net_device *ipoib_add_port(const char *format,
struct ib_device *hca, u8 port)
{
struct ipoib_dev_priv *priv;
- struct ib_device_attr *device_attr;
struct ib_port_attr attr;
int result = -ENOMEM;
@@ -1206,31 +1243,8 @@ static struct net_device *ipoib_add_port(const char *format,
goto device_init_failed;
}
- device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);
- if (!device_attr) {
- printk(KERN_WARNING "%s: allocation of %zu bytes failed\n",
- hca->name, sizeof *device_attr);
+ if (ipoib_set_dev_features(priv, hca))
goto device_init_failed;
- }
-
- result = ib_query_device(hca, device_attr);
- if (result) {
- printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n",
- hca->name, result);
- kfree(device_attr);
- goto device_init_failed;
- }
- priv->hca_caps = device_attr->device_cap_flags;
-
- kfree(device_attr);
-
- if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
- set_bit(IPOIB_FLAG_CSUM, &priv->flags);
- priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
- }
-
- if (lro)
- priv->dev->features |= NETIF_F_LRO;
/*
* Set the full membership bit, so that we join the right
@@ -1266,9 +1280,6 @@ static struct net_device *ipoib_add_port(const char *format,
goto event_failed;
}
- if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
- priv->dev->features |= NETIF_F_TSO;
-
result = register_netdev(priv->dev);
if (result) {
printk(KERN_WARNING "%s: couldn't register ipoib port %d; error %d\n",
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index b08eb56196d3..2cf1a4088718 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -93,6 +93,10 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey)
priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu;
set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags);
+ result = ipoib_set_dev_features(priv, ppriv->ca);
+ if (result)
+ goto device_init_failed;
+
priv->pkey = pkey;
memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN);
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