#include <linux/stat.h>
#include <linux/init.h>
#include <linux/poll.h>
+#include <net/net_namespace.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/fib_rules.h>
static int dn_memory_pressure;
-static void dn_enter_memory_pressure(void)
+static void dn_enter_memory_pressure(struct sock *sk)
{
if (!dn_memory_pressure) {
dn_memory_pressure = 1;
.obj_size = sizeof(struct dn_sock),
};
-static struct sock *dn_alloc_sock(struct socket *sock, gfp_t gfp)
+static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp)
{
struct dn_scp *scp;
- struct sock *sk = sk_alloc(PF_DECnet, gfp, &dn_proto, 1);
+ struct sock *sk = sk_alloc(net, PF_DECnet, gfp, &dn_proto);
if (!sk)
goto out;
-static int dn_create(struct socket *sock, int protocol)
+static int dn_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
switch(sock->type) {
case SOCK_SEQPACKET:
if (protocol != DNPROTO_NSP)
}
- if ((sk = dn_alloc_sock(sock, GFP_KERNEL)) == NULL)
+ if ((sk = dn_alloc_sock(net, sock, GFP_KERNEL)) == NULL)
return -ENOBUFS;
sk->sk_protocol = protocol;
struct sock *sk = sock->sk;
struct dn_scp *scp = DN_SK(sk);
struct sockaddr_dn *saddr = (struct sockaddr_dn *)uaddr;
- struct net_device *dev;
+ struct net_device *dev, *ldev;
int rv;
if (addr_len != sizeof(struct sockaddr_dn))
if (!(saddr->sdn_flags & SDF_WILD)) {
if (dn_ntohs(saddr->sdn_nodeaddrl)) {
read_lock(&dev_base_lock);
- for(dev = dev_base; dev; dev = dev->next) {
+ ldev = NULL;
+ for_each_netdev(&init_net, dev) {
if (!dev->dn_ptr)
continue;
- if (dn_dev_islocal(dev, dn_saddr2dn(saddr)))
+ if (dn_dev_islocal(dev, dn_saddr2dn(saddr))) {
+ ldev = dev;
break;
+ }
}
read_unlock(&dev_base_lock);
- if (dev == NULL)
+ if (ldev == NULL)
return -EADDRNOTAVAIL;
}
}
cb = DN_SKB_CB(skb);
sk->sk_ack_backlog--;
- newsk = dn_alloc_sock(newsock, sk->sk_allocation);
+ newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation);
if (newsk == NULL) {
release_sock(sk);
kfree_skb(skb);
* See if there is data ready to read, sleep if there isn't
*/
for(;;) {
+ DEFINE_WAIT(wait);
+
if (sk->sk_err)
goto out;
goto out;
}
- set_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
- SOCK_SLEEP_PRE(sk)
-
- if (!dn_data_ready(sk, queue, flags, target))
- schedule();
-
- SOCK_SLEEP_POST(sk)
- clear_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ sk_wait_event(sk, &timeo, dn_data_ready(sk, queue, flags, target));
+ clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ finish_wait(sk->sk_sleep, &wait);
}
for(skb = queue->next; skb != (struct sk_buff *)queue; skb = nskb) {
}
/*
- * The DECnet spec requires the the "routing layer" accepts packets which
+ * The DECnet spec requires that the "routing layer" accepts packets which
* are at least 230 bytes in size. This excludes any headers which the NSP
* layer might add, so we always assume that we'll be using the maximal
* length header on data packets. The variation in length is due to the
struct sk_buff *skb = sock_alloc_send_skb(sk, datalen,
noblock, errcode);
if (skb) {
- skb->protocol = __constant_htons(ETH_P_DNA_RT);
+ skb->protocol = htons(ETH_P_DNA_RT);
skb->pkt_type = PACKET_OUTGOING;
}
return skb;
* size.
*/
if (dn_queue_too_long(scp, queue, flags)) {
+ DEFINE_WAIT(wait);
+
if (flags & MSG_DONTWAIT) {
err = -EWOULDBLOCK;
goto out;
}
- SOCK_SLEEP_PRE(sk)
-
- if (dn_queue_too_long(scp, queue, flags))
- schedule();
-
- SOCK_SLEEP_POST(sk)
-
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ sk_wait_event(sk, &timeo,
+ !dn_queue_too_long(scp, queue, flags));
+ clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ finish_wait(sk->sk_sleep, &wait);
continue;
}
{
struct net_device *dev = (struct net_device *)ptr;
+ if (!net_eq(dev_net(dev), &init_net))
+ return NOTIFY_DONE;
+
switch(event) {
case NETDEV_UP:
dn_dev_up(dev);
return 0;
}
-static struct seq_operations dn_socket_seq_ops = {
+static const struct seq_operations dn_socket_seq_ops = {
.start = dn_socket_seq_start,
.next = dn_socket_seq_next,
.stop = dn_socket_seq_stop,
static int dn_socket_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct dn_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &dn_socket_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
- memset(s, 0, sizeof(*s));
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &dn_socket_seq_ops,
+ sizeof(struct dn_iter_state));
}
-static struct file_operations dn_socket_seq_fops = {
+static const struct file_operations dn_socket_seq_fops = {
.owner = THIS_MODULE,
.open = dn_socket_seq_open,
.read = seq_read,
dev_add_pack(&dn_dix_packet_type);
register_netdevice_notifier(&dn_dev_notifier);
- proc_net_fops_create("decnet", S_IRUGO, &dn_socket_seq_fops);
+ proc_net_fops_create(&init_net, "decnet", S_IRUGO, &dn_socket_seq_fops);
dn_register_sysctl();
out:
return rc;
static void __exit decnet_exit(void)
{
sock_unregister(AF_DECnet);
+ rtnl_unregister_all(PF_DECnet);
dev_remove_pack(&dn_dix_packet_type);
dn_unregister_sysctl();
dn_neigh_cleanup();
dn_fib_cleanup();
- proc_net_remove("decnet");
+ proc_net_remove(&init_net, "decnet");
proto_unregister(&dn_proto);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff