}
EXPORT_SYMBOL(dev_alloc_name);
-static int dev_get_valid_name(struct net *net, const char *name, char *buf,
- bool fmt)
+static int dev_get_valid_name(struct net_device *dev, const char *name, bool fmt)
{
+ struct net *net;
+
+ BUG_ON(!dev_net(dev));
+ net = dev_net(dev);
+
if (!dev_valid_name(name))
return -EINVAL;
if (fmt && strchr(name, '%'))
- return __dev_alloc_name(net, name, buf);
+ return dev_alloc_name(dev, name);
else if (__dev_get_by_name(net, name))
return -EEXIST;
- else if (buf != name)
- strlcpy(buf, name, IFNAMSIZ);
+ else if (dev->name != name)
+ strlcpy(dev->name, name, IFNAMSIZ);
return 0;
}
memcpy(oldname, dev->name, IFNAMSIZ);
- err = dev_get_valid_name(net, newname, dev->name, 1);
+ err = dev_get_valid_name(dev, newname, 1);
if (err < 0)
return err;
rollback:
- /* For now only devices in the initial network namespace
- * are in sysfs.
- */
- if (net_eq(net, &init_net)) {
- ret = device_rename(&dev->dev, dev->name);
- if (ret) {
- memcpy(dev->name, oldname, IFNAMSIZ);
- return ret;
- }
+ ret = device_rename(&dev->dev, dev->name);
+ if (ret) {
+ memcpy(dev->name, oldname, IFNAMSIZ);
+ return ret;
}
write_lock_bh(&dev_base_lock);
if (skb_rx_queue_recorded(skb)) {
u16 index = skb_get_rx_queue(skb);
if (unlikely(index >= dev->num_rx_queues)) {
- if (net_ratelimit()) {
- pr_warning("%s received packet on queue "
- "%u, but number of RX queues is %u\n",
- dev->name, index, dev->num_rx_queues);
- }
+ WARN_ONCE(dev->num_rx_queues > 1, "%s received packet "
+ "on queue %u, but number of RX queues is %u\n",
+ dev->name, index, dev->num_rx_queues);
goto done;
}
rxqueue = dev->_rx + index;
if (skb_queue_len(&sd->input_pkt_queue)) {
enqueue:
__skb_queue_tail(&sd->input_pkt_queue, skb);
-#ifdef CONFIG_RPS
- *qtail = sd->input_queue_head +
- skb_queue_len(&sd->input_pkt_queue);
-#endif
+ input_queue_tail_incr_save(sd, qtail);
rps_unlock(sd);
local_irq_restore(flags);
return NET_RX_SUCCESS;
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
- struct net_device *null_or_bond;
+ struct net_device *orig_or_bond;
int ret = NET_RX_DROP;
__be16 type;
if (!skb->skb_iif)
skb->skb_iif = skb->dev->ifindex;
+ /*
+ * bonding note: skbs received on inactive slaves should only
+ * be delivered to pkt handlers that are exact matches. Also
+ * the deliver_no_wcard flag will be set. If packet handlers
+ * are sensitive to duplicate packets these skbs will need to
+ * be dropped at the handler. The vlan accel path may have
+ * already set the deliver_no_wcard flag.
+ */
null_or_orig = NULL;
orig_dev = skb->dev;
master = ACCESS_ONCE(orig_dev->master);
- if (master) {
- if (skb_bond_should_drop(skb, master))
+ if (skb->deliver_no_wcard)
+ null_or_orig = orig_dev;
+ else if (master) {
+ if (skb_bond_should_drop(skb, master)) {
+ skb->deliver_no_wcard = 1;
null_or_orig = orig_dev; /* deliver only exact match */
- else
+ } else
skb->dev = master;
}
* device that may have registered for a specific ptype. The
* handler may have to adjust skb->dev and orig_dev.
*/
- null_or_bond = NULL;
+ orig_or_bond = orig_dev;
if ((skb->dev->priv_flags & IFF_802_1Q_VLAN) &&
(vlan_dev_real_dev(skb->dev)->priv_flags & IFF_BONDING)) {
- null_or_bond = vlan_dev_real_dev(skb->dev);
+ orig_or_bond = vlan_dev_real_dev(skb->dev);
}
type = skb->protocol;
&ptype_base[ntohs(type) & PTYPE_HASH_MASK], list) {
if (ptype->type == type && (ptype->dev == null_or_orig ||
ptype->dev == skb->dev || ptype->dev == orig_dev ||
- ptype->dev == null_or_bond)) {
+ ptype->dev == orig_or_bond)) {
if (pt_prev)
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = ptype;
if (skb->dev == dev) {
__skb_unlink(skb, &sd->input_pkt_queue);
kfree_skb(skb);
- input_queue_head_add(sd, 1);
+ input_queue_head_incr(sd);
}
}
rps_unlock(sd);
if (skb->dev == dev) {
__skb_unlink(skb, &sd->process_queue);
kfree_skb(skb);
+ input_queue_head_incr(sd);
}
}
}
while ((skb = __skb_dequeue(&sd->process_queue))) {
local_irq_enable();
__netif_receive_skb(skb);
- if (++work >= quota)
- return work;
local_irq_disable();
+ input_queue_head_incr(sd);
+ if (++work >= quota) {
+ local_irq_enable();
+ return work;
+ }
}
rps_lock(sd);
qlen = skb_queue_len(&sd->input_pkt_queue);
- if (qlen) {
- input_queue_head_add(sd, qlen);
+ if (qlen)
skb_queue_splice_tail_init(&sd->input_pkt_queue,
&sd->process_queue);
- }
+
if (qlen < quota - work) {
/*
* Inline a custom version of __napi_complete().
}
}
- ret = dev_get_valid_name(net, dev->name, dev->name, 0);
+ ret = dev_get_valid_name(dev, dev->name, 0);
if (ret)
goto err_uninit;
if (dev->features & NETIF_F_SG)
dev->features |= NETIF_F_GSO;
- netdev_initialize_kobject(dev);
-
ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
ret = notifier_to_errno(ret);
if (ret)
if (dev->features & NETIF_F_NETNS_LOCAL)
goto out;
-#ifdef CONFIG_SYSFS
- /* Don't allow real devices to be moved when sysfs
- * is enabled.
- */
- err = -EINVAL;
- if (dev->dev.parent)
- goto out;
-#endif
-
/* Ensure the device has been registrered */
err = -EINVAL;
if (dev->reg_state != NETREG_REGISTERED)
/* We get here if we can't use the current device name */
if (!pat)
goto out;
- if (dev_get_valid_name(net, pat, dev->name, 1))
+ if (dev_get_valid_name(dev, pat, 1))
goto out;
}
dev_uc_flush(dev);
dev_mc_flush(dev);
- netdev_unregister_kobject(dev);
-
/* Actually switch the network namespace */
dev_net_set(dev, net);
}
/* Fixup kobjects */
- err = netdev_register_kobject(dev);
+ err = device_rename(&dev->dev, dev->name);
WARN_ON(err);
/* Add the device back in the hashes */
local_irq_enable();
/* Process offline CPU's input_pkt_queue */
- while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
+ while ((skb = __skb_dequeue(&oldsd->process_queue))) {
netif_rx(skb);
- input_queue_head_add(oldsd, 1);
+ input_queue_head_incr(oldsd);
}
- while ((skb = __skb_dequeue(&oldsd->process_queue)))
+ while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
netif_rx(skb);
+ input_queue_head_incr(oldsd);
+ }
return NOTIFY_OK;
}
git.openpandora.org / pandora-kernel.git / blobdiff