skb->protocol = ((__be16 *) skb->data)[3];
skb_pull(skb, RFC1483LLC_LEN);
if (skb->protocol == htons(ETH_P_ARP)) {
- PRIV(skb->dev)->stats.rx_packets++;
- PRIV(skb->dev)->stats.rx_bytes += skb->len;
+ skb->dev->stats.rx_packets++;
+ skb->dev->stats.rx_bytes += skb->len;
clip_arp_rcv(skb);
return;
}
}
clip_vcc->last_use = jiffies;
- PRIV(skb->dev)->stats.rx_packets++;
- PRIV(skb->dev)->stats.rx_bytes += skb->len;
+ skb->dev->stats.rx_packets++;
+ skb->dev->stats.rx_bytes += skb->len;
memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
netif_rx(skb);
}
struct neigh_parms *parms;
pr_debug("clip_constructor (neigh %p, entry %p)\n", neigh, entry);
- neigh->type = inet_addr_type(entry->ip);
+ neigh->type = inet_addr_type(&init_net, entry->ip);
if (neigh->type != RTN_UNICAST)
return -EINVAL;
unsigned long flags;
pr_debug("clip_start_xmit (skb %p)\n", skb);
- if (!skb->dst) {
- printk(KERN_ERR "clip_start_xmit: skb->dst == NULL\n");
+ if (!skb_dst(skb)) {
+ printk(KERN_ERR "clip_start_xmit: skb_dst(skb) == NULL\n");
dev_kfree_skb(skb);
- clip_priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
return 0;
}
- if (!skb->dst->neighbour) {
+ if (!skb_dst(skb)->neighbour) {
#if 0
- skb->dst->neighbour = clip_find_neighbour(skb->dst, 1);
- if (!skb->dst->neighbour) {
+ skb_dst(skb)->neighbour = clip_find_neighbour(skb_dst(skb), 1);
+ if (!skb_dst(skb)->neighbour) {
dev_kfree_skb(skb); /* lost that one */
- clip_priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
return 0;
}
#endif
printk(KERN_ERR "clip_start_xmit: NO NEIGHBOUR !\n");
dev_kfree_skb(skb);
- clip_priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
return 0;
}
- entry = NEIGH2ENTRY(skb->dst->neighbour);
+ entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
if (!entry->vccs) {
if (time_after(jiffies, entry->expires)) {
/* should be resolved */
skb_queue_tail(&entry->neigh->arp_queue, skb);
else {
dev_kfree_skb(skb);
- clip_priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
}
return 0;
}
pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
- pr_debug("using neighbour %p, vcc %p\n", skb->dst->neighbour, vcc);
+ pr_debug("using neighbour %p, vcc %p\n", skb_dst(skb)->neighbour, vcc);
if (entry->vccs->encap) {
void *here;
printk(KERN_WARNING "clip_start_xmit: XOFF->XOFF transition\n");
return 0;
}
- clip_priv->stats.tx_packets++;
- clip_priv->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
vcc->send(vcc, skb);
if (atm_may_send(vcc, 0)) {
entry->vccs->xoff = 0;
return 0;
}
-static struct net_device_stats *clip_get_stats(struct net_device *dev)
-{
- return &PRIV(dev)->stats;
-}
-
static int clip_mkip(struct atm_vcc *vcc, int timeout)
{
+ struct sk_buff_head *rq, queue;
struct clip_vcc *clip_vcc;
- struct sk_buff *skb;
- struct sk_buff_head *rq;
+ struct sk_buff *skb, *tmp;
unsigned long flags;
if (!vcc->push)
vcc->push = clip_push;
vcc->pop = clip_pop;
+ __skb_queue_head_init(&queue);
rq = &sk_atm(vcc)->sk_receive_queue;
spin_lock_irqsave(&rq->lock, flags);
- if (skb_queue_empty(rq)) {
- skb = NULL;
- } else {
- /* NULL terminate the list. */
- rq->prev->next = NULL;
- skb = rq->next;
- }
- rq->prev = rq->next = (struct sk_buff *)rq;
- rq->qlen = 0;
+ skb_queue_splice_init(rq, &queue);
spin_unlock_irqrestore(&rq->lock, flags);
/* re-process everything received between connection setup and MKIP */
- while (skb) {
- struct sk_buff *next = skb->next;
-
- skb->next = skb->prev = NULL;
+ skb_queue_walk_safe(&queue, skb, tmp) {
if (!clip_devs) {
atm_return(vcc, skb->truesize);
kfree_skb(skb);
} else {
+ struct net_device *dev = skb->dev;
unsigned int len = skb->len;
skb_get(skb);
clip_push(vcc, skb);
- PRIV(skb->dev)->stats.rx_packets--;
- PRIV(skb->dev)->stats.rx_bytes -= len;
+ dev->stats.rx_packets--;
+ dev->stats.rx_bytes -= len;
kfree_skb(skb);
}
-
- skb = next;
}
return 0;
}
unlink_clip_vcc(clip_vcc);
return 0;
}
- error = ip_route_output_key(&rt, &fl);
+ error = ip_route_output_key(&init_net, &rt, &fl);
if (error)
return error;
neigh = __neigh_lookup(&clip_tbl, &ip, rt->u.dst.dev, 1);
return error;
}
+static const struct net_device_ops clip_netdev_ops = {
+ .ndo_start_xmit = clip_start_xmit,
+};
+
static void clip_setup(struct net_device *dev)
{
- dev->hard_start_xmit = clip_start_xmit;
- /* sg_xmit ... */
- dev->get_stats = clip_get_stats;
+ dev->netdev_ops = &clip_netdev_ops;
dev->type = ARPHRD_ATM;
dev->hard_header_len = RFC1483LLC_LEN;
dev->mtu = RFC1626_MTU;
/* without any more elaborate queuing. 100 is a reasonable */
/* compromise between decent burst-tolerance and protection */
/* against memory hogs. */
+ dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
}
static int clip_create(int number)
{
struct net_device *dev = arg;
+ if (!net_eq(dev_net(dev), &init_net))
+ return NOTIFY_DONE;
+
if (event == NETDEV_UNREGISTER) {
neigh_ifdown(&clip_tbl, dev);
return NOTIFY_DONE;
}
/* ignore non-CLIP devices */
- if (dev->type != ARPHRD_ATM || dev->hard_start_xmit != clip_start_xmit)
+ if (dev->type != ARPHRD_ATM || dev->netdev_ops != &clip_netdev_ops)
return NOTIFY_DONE;
switch (event) {
struct in_device *in_dev;
in_dev = ((struct in_ifaddr *)ifa)->ifa_dev;
- if (!in_dev || !in_dev->dev) {
- printk(KERN_WARNING "clip_inet_event: no device\n");
- return NOTIFY_DONE;
- }
/*
* Transitions are of the down-change-up type, so it's sufficient to
* handle the change on up.
seq_printf(seq, "%-6s%-4s%-4s%5ld ",
dev->name, svc ? "SVC" : "PVC", llc ? "LLC" : "NULL", exp);
- off = scnprintf(buf, sizeof(buf) - 1, "%d.%d.%d.%d",
- NIPQUAD(entry->ip));
+ off = scnprintf(buf, sizeof(buf) - 1, "%pI4",
+ &entry->ip);
while (off < 16)
buf[off++] = ' ';
buf[off] = '\0';
static void *clip_seq_start(struct seq_file *seq, loff_t * pos)
{
+ struct clip_seq_state *state = seq->private;
+ state->ns.neigh_sub_iter = clip_seq_sub_iter;
return neigh_seq_start(seq, pos, &clip_tbl, NEIGH_SEQ_NEIGH_ONLY);
}
static int arp_seq_open(struct inode *inode, struct file *file)
{
- struct clip_seq_state *state;
- struct seq_file *seq;
- int rc = -EAGAIN;
-
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state) {
- rc = -ENOMEM;
- goto out_kfree;
- }
- state->ns.neigh_sub_iter = clip_seq_sub_iter;
-
- rc = seq_open(file, &arp_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = state;
-out:
- return rc;
-
-out_kfree:
- kfree(state);
- goto out;
+ return seq_open_net(inode, file, &arp_seq_ops,
+ sizeof(struct clip_seq_state));
}
static const struct file_operations arp_seq_fops = {
.open = arp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
.owner = THIS_MODULE
};
#endif
+static void atm_clip_exit_noproc(void);
+
static int __init atm_clip_init(void)
{
neigh_table_init_no_netlink(&clip_tbl);
{
struct proc_dir_entry *p;
- p = create_proc_entry("arp", S_IRUGO, atm_proc_root);
- if (p)
- p->proc_fops = &arp_seq_fops;
+ p = proc_create("arp", S_IRUGO, atm_proc_root, &arp_seq_fops);
+ if (!p) {
+ printk(KERN_ERR "Unable to initialize "
+ "/proc/net/atm/arp\n");
+ atm_clip_exit_noproc();
+ return -ENOMEM;
+ }
}
#endif
return 0;
}
-static void __exit atm_clip_exit(void)
+static void atm_clip_exit_noproc(void)
{
struct net_device *dev, *next;
- remove_proc_entry("arp", atm_proc_root);
-
unregister_inetaddr_notifier(&clip_inet_notifier);
unregister_netdevice_notifier(&clip_dev_notifier);
clip_tbl_hook = NULL;
}
+static void __exit atm_clip_exit(void)
+{
+ remove_proc_entry("arp", atm_proc_root);
+
+ atm_clip_exit_noproc();
+}
+
module_init(atm_clip_init);
module_exit(atm_clip_exit);
MODULE_AUTHOR("Werner Almesberger");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff