#include <net/dst.h>
-#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
-
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("IP-over-InfiniBand net driver");
MODULE_LICENSE("Dual BSD/GPL");
netif_stop_queue(dev);
+ clear_bit(IPOIB_FLAG_NETIF_STOPPED, &priv->flags);
+
/*
* Now flush workqueue to make sure a scheduled task doesn't
* bring our internal state back up.
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- if (new_mtu > IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN)
+ /* dev->mtu > 2K ==> connected mode */
+ if (ipoib_cm_admin_enabled(dev) && new_mtu <= IPOIB_CM_MTU) {
+ if (new_mtu > priv->mcast_mtu)
+ ipoib_warn(priv, "mtu > %d will cause multicast packet drops.\n",
+ priv->mcast_mtu);
+ dev->mtu = new_mtu;
+ return 0;
+ }
+
+ if (new_mtu > IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN) {
return -EINVAL;
+ }
priv->admin_mtu = new_mtu;
if (neigh->ah)
ipoib_put_ah(neigh->ah);
- ipoib_neigh_free(neigh);
+ ipoib_neigh_free(dev, neigh);
}
spin_unlock_irqrestore(&priv->lock, flags);
memcpy(&neigh->dgid.raw, &path->pathrec.dgid.raw,
sizeof(union ib_gid));
+ if (ipoib_cm_enabled(dev, neigh->neighbour)) {
+ if (!ipoib_cm_get(neigh))
+ ipoib_cm_set(neigh, ipoib_cm_create_tx(dev,
+ path,
+ neigh));
+ if (!ipoib_cm_get(neigh)) {
+ list_del(&neigh->list);
+ if (neigh->ah)
+ ipoib_put_ah(neigh->ah);
+ ipoib_neigh_free(dev, neigh);
+ continue;
+ }
+ }
+
while ((skb = __skb_dequeue(&neigh->queue)))
__skb_queue_tail(&skqueue, skb);
}
return;
}
- skb_queue_head_init(&neigh->queue);
-
/*
* We can only be called from ipoib_start_xmit, so we're
* inside tx_lock -- no need to save/restore flags.
memcpy(&neigh->dgid.raw, &path->pathrec.dgid.raw,
sizeof(union ib_gid));
- ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb->dst->neighbour->ha));
+ if (ipoib_cm_enabled(dev, neigh->neighbour)) {
+ if (!ipoib_cm_get(neigh))
+ ipoib_cm_set(neigh, ipoib_cm_create_tx(dev, path, neigh));
+ if (!ipoib_cm_get(neigh)) {
+ list_del(&neigh->list);
+ if (neigh->ah)
+ ipoib_put_ah(neigh->ah);
+ ipoib_neigh_free(dev, neigh);
+ goto err_drop;
+ }
+ if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE)
+ __skb_queue_tail(&neigh->queue, skb);
+ else {
+ ipoib_warn(priv, "queue length limit %d. Packet drop.\n",
+ skb_queue_len(&neigh->queue));
+ goto err_drop;
+ }
+ } else
+ ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb->dst->neighbour->ha));
} else {
neigh->ah = NULL;
- __skb_queue_tail(&neigh->queue, skb);
if (!path->query && path_rec_start(dev, path))
goto err_list;
+
+ __skb_queue_tail(&neigh->queue, skb);
}
spin_unlock(&priv->lock);
list_del(&neigh->list);
err_path:
- ipoib_neigh_free(neigh);
+ ipoib_neigh_free(dev, neigh);
+err_drop:
++priv->stats.tx_dropped;
dev_kfree_skb_any(skb);
neigh = *to_ipoib_neigh(skb->dst->neighbour);
- if (likely(neigh->ah)) {
+ if (ipoib_cm_get(neigh)) {
+ if (ipoib_cm_up(neigh)) {
+ ipoib_cm_send(dev, skb, ipoib_cm_get(neigh));
+ goto out;
+ }
+ } else if (neigh->ah) {
if (unlikely(memcmp(&neigh->dgid.raw,
skb->dst->neighbour->ha + 4,
sizeof(union ib_gid)))) {
*/
ipoib_put_ah(neigh->ah);
list_del(&neigh->list);
- ipoib_neigh_free(neigh);
+ ipoib_neigh_free(dev, neigh);
spin_unlock(&priv->lock);
ipoib_path_lookup(skb, dev);
goto out;
if (neigh->ah)
ah = neigh->ah;
list_del(&neigh->list);
- ipoib_neigh_free(neigh);
+ ipoib_neigh_free(n->dev, neigh);
}
spin_unlock_irqrestore(&priv->lock, flags);
neigh->neighbour = neighbour;
*to_ipoib_neigh(neighbour) = neigh;
+ skb_queue_head_init(&neigh->queue);
+ ipoib_cm_set(neigh, NULL);
return neigh;
}
-void ipoib_neigh_free(struct ipoib_neigh *neigh)
+void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh)
{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ struct sk_buff *skb;
*to_ipoib_neigh(neigh->neighbour) = NULL;
+ while ((skb = __skb_dequeue(&neigh->queue))) {
+ ++priv->stats.tx_dropped;
+ dev_kfree_skb_any(skb);
+ }
+ if (ipoib_cm_get(neigh))
+ ipoib_cm_destroy_tx(ipoib_cm_get(neigh));
kfree(neigh);
}
INIT_LIST_HEAD(&priv->dead_ahs);
INIT_LIST_HEAD(&priv->multicast_list);
- INIT_WORK(&priv->pkey_task, ipoib_pkey_poll, priv->dev);
- INIT_WORK(&priv->mcast_task, ipoib_mcast_join_task, priv->dev);
- INIT_WORK(&priv->flush_task, ipoib_ib_dev_flush, priv->dev);
- INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task, priv->dev);
- INIT_WORK(&priv->ah_reap_task, ipoib_reap_ah, priv->dev);
+ INIT_DELAYED_WORK(&priv->pkey_task, ipoib_pkey_poll);
+ INIT_DELAYED_WORK(&priv->mcast_task, ipoib_mcast_join_task);
+ INIT_WORK(&priv->flush_task, ipoib_ib_dev_flush);
+ INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task);
+ INIT_DELAYED_WORK(&priv->ah_reap_task, ipoib_reap_ah);
}
struct ipoib_dev_priv *ipoib_intf_alloc(const char *name)
return netdev_priv(dev);
}
-static ssize_t show_pkey(struct class_device *cdev, char *buf)
+static ssize_t show_pkey(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct ipoib_dev_priv *priv =
- netdev_priv(container_of(cdev, struct net_device, class_dev));
+ struct ipoib_dev_priv *priv = netdev_priv(to_net_dev(dev));
return sprintf(buf, "0x%04x\n", priv->pkey);
}
-static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
+static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
-static ssize_t create_child(struct class_device *cdev,
+static ssize_t create_child(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
int pkey;
*/
pkey |= 0x8000;
- ret = ipoib_vlan_add(container_of(cdev, struct net_device, class_dev),
- pkey);
+ ret = ipoib_vlan_add(to_net_dev(dev), pkey);
return ret ? ret : count;
}
-static CLASS_DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child);
+static DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child);
-static ssize_t delete_child(struct class_device *cdev,
+static ssize_t delete_child(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
int pkey;
if (pkey < 0 || pkey > 0xffff)
return -EINVAL;
- ret = ipoib_vlan_delete(container_of(cdev, struct net_device, class_dev),
- pkey);
+ ret = ipoib_vlan_delete(to_net_dev(dev), pkey);
return ret ? ret : count;
}
-static CLASS_DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child);
+static DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child);
int ipoib_add_pkey_attr(struct net_device *dev)
{
- return class_device_create_file(&dev->class_dev,
- &class_device_attr_pkey);
+ return device_create_file(&dev->dev, &dev_attr_pkey);
}
static struct net_device *ipoib_add_port(const char *format,
ipoib_create_debug_files(priv->dev);
+ if (ipoib_cm_add_mode_attr(priv->dev))
+ goto sysfs_failed;
if (ipoib_add_pkey_attr(priv->dev))
goto sysfs_failed;
- if (class_device_create_file(&priv->dev->class_dev,
- &class_device_attr_create_child))
+ if (device_create_file(&priv->dev->dev, &dev_attr_create_child))
goto sysfs_failed;
- if (class_device_create_file(&priv->dev->class_dev,
- &class_device_attr_delete_child))
+ if (device_create_file(&priv->dev->dev, &dev_attr_delete_child))
goto sysfs_failed;
return priv->dev;
projects / linux-2.6-omap-h63xx.git / blobdiff