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yaml
---
r: 116842
b: refs/heads/master
c: 83bb63f
h: refs/heads/master
v: v3
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Or Gerlitz authored and Roland Dreier committed Oct 22, 2008
1 parent cccbedf commit 1fe4707
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Showing 4 changed files with 45 additions and 29 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 70c9c0db549245a49cabf42d5a74688077254d46
refs/heads/master: 83bb63f62bda28be88b21216fbb59838a10f2348
1 change: 1 addition & 0 deletions trunk/drivers/infiniband/ulp/ipoib/ipoib.h
Original file line number Diff line number Diff line change
Expand Up @@ -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

Expand Down
67 changes: 39 additions & 28 deletions trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -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",
Expand Down
4 changes: 4 additions & 0 deletions trunk/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down

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