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path: root/drivers/infiniband/ulp/ipoib/ipoib_main.c
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 57282048865..bd07f02cf02 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -359,8 +359,7 @@ void ipoib_flush_paths(struct net_device *dev)
spin_lock_irq(&priv->tx_lock);
spin_lock(&priv->lock);
- list_splice(&priv->path_list, &remove_list);
- INIT_LIST_HEAD(&priv->path_list);
+ list_splice_init(&priv->path_list, &remove_list);
list_for_each_entry(path, &remove_list, list)
rb_erase(&path->rb_node, &priv->path_tree);
@@ -952,6 +951,8 @@ static void ipoib_setup(struct net_device *dev)
dev->set_multicast_list = ipoib_set_mcast_list;
dev->neigh_setup = ipoib_neigh_setup_dev;
+ ipoib_set_ethtool_ops(dev);
+
netif_napi_add(dev, &priv->napi, ipoib_poll, 100);
dev->watchdog_timeo = HZ;
@@ -1105,6 +1106,7 @@ 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;
int result = -ENOMEM;
priv = ipoib_intf_alloc(format);
@@ -1120,6 +1122,29 @@ 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);
+ 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;
+ }
+
/*
* Set the full membership bit, so that we join the right
* broadcast group, etc.
@@ -1137,7 +1162,6 @@ static struct net_device *ipoib_add_port(const char *format,
} else
memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid));
-
result = ipoib_dev_init(priv->dev, hca, port);
if (result < 0) {
printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n",
@@ -1155,6 +1179,9 @@ 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",