#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
static HLIST_HEAD(rose_list);
static DEFINE_SPINLOCK(rose_list_lock);
-static struct proto_ops rose_proto_ops;
+static const struct proto_ops rose_proto_ops;
ax25_address rose_callsign;
* separate class since they always nest.
*/
static struct lock_class_key rose_netdev_xmit_lock_key;
+static struct lock_class_key rose_netdev_addr_lock_key;
+
+static void rose_set_lockdep_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &rose_netdev_xmit_lock_key);
+}
+
+static void rose_set_lockdep_key(struct net_device *dev)
+{
+ lockdep_set_class(&dev->addr_list_lock, &rose_netdev_addr_lock_key);
+ netdev_for_each_tx_queue(dev, rose_set_lockdep_one, NULL);
+}
/*
* Convert a ROSE address into text.
*/
-const char *rose2asc(const rose_address *addr)
+char *rose2asc(char *buf, const rose_address *addr)
{
- static char buffer[11];
-
if (addr->rose_addr[0] == 0x00 && addr->rose_addr[1] == 0x00 &&
addr->rose_addr[2] == 0x00 && addr->rose_addr[3] == 0x00 &&
addr->rose_addr[4] == 0x00) {
- strcpy(buffer, "*");
+ strcpy(buf, "*");
} else {
- sprintf(buffer, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
+ sprintf(buf, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
addr->rose_addr[1] & 0xFF,
addr->rose_addr[2] & 0xFF,
addr->rose_addr[3] & 0xFF,
addr->rose_addr[4] & 0xFF);
}
- return buffer;
+ return buf;
}
/*
{
struct net_device *dev = (struct net_device *)ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_DOWN)
kfree_skb(skb);
}
- if (atomic_read(&sk->sk_wmem_alloc) ||
- atomic_read(&sk->sk_rmem_alloc)) {
+ if (sk_has_allocations(sk)) {
/* Defer: outstanding buffers */
setup_timer(&sk->sk_timer, rose_destroy_timer,
(unsigned long)sk);
*/
static int rose_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct rose_sock *rose = rose_sk(sk);
.obj_size = sizeof(struct rose_sock),
};
-static int rose_create(struct net *net, struct socket *sock, int protocol)
+static int rose_create(struct net *net, struct socket *sock, int protocol,
+ int kern)
{
struct sock *sk;
struct rose_sock *rose;
- if (net != &init_net)
+ if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
if (sock->type != SOCK_SEQPACKET || protocol != 0)
#endif
sk->sk_type = osk->sk_type;
- sk->sk_socket = osk->sk_socket;
sk->sk_priority = osk->sk_priority;
sk->sk_protocol = osk->sk_protocol;
sk->sk_rcvbuf = osk->sk_rcvbuf;
sk->sk_sndbuf = osk->sk_sndbuf;
sk->sk_state = TCP_ESTABLISHED;
- sk->sk_sleep = osk->sk_sleep;
sock_copy_flags(sk, osk);
init_timer(&rose->timer);
if (sk == NULL) return 0;
+ sock_hold(sk);
+ sock_orphan(sk);
+ lock_sock(sk);
rose = rose_sk(sk);
switch (rose->state) {
case ROSE_STATE_0:
+ release_sock(sk);
rose_disconnect(sk, 0, -1, -1);
+ lock_sock(sk);
rose_destroy_socket(sk);
break;
case ROSE_STATE_2:
rose->neighbour->use--;
+ release_sock(sk);
rose_disconnect(sk, 0, -1, -1);
+ lock_sock(sk);
rose_destroy_socket(sk);
break;
}
sock->sk = NULL;
+ release_sock(sk);
+ sock_put(sk);
return 0;
}
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
return -EINVAL;
- if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+ if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
return -EINVAL;
if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
source = &addr->srose_call;
- user = ax25_findbyuid(current->euid);
+ user = ax25_findbyuid(current_euid());
if (user) {
rose->source_call = user->call;
ax25_uid_put(user);
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
return -EINVAL;
- if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+ if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
return -EINVAL;
/* Source + Destination digis should not exceed ROSE_MAX_DIGIS */
sock->state = SS_UNCONNECTED;
rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause,
- &diagnostic);
- if (!rose->neighbour)
- return -ENETUNREACH;
+ &diagnostic, 0);
+ if (!rose->neighbour) {
+ err = -ENETUNREACH;
+ goto out_release;
+ }
rose->lci = rose_new_lci(rose->neighbour);
if (!rose->lci) {
goto out_release;
}
- user = ax25_findbyuid(current->euid);
+ user = ax25_findbyuid(current_euid());
if (!user) {
err = -EINVAL;
goto out_release;
DEFINE_WAIT(wait);
for (;;) {
- prepare_to_wait(sk->sk_sleep, &wait,
+ prepare_to_wait(sk_sleep(sk), &wait,
TASK_INTERRUPTIBLE);
if (sk->sk_state != TCP_SYN_SENT)
break;
err = -ERESTARTSYS;
break;
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
if (err)
goto out_release;
if (sk->sk_state != TCP_ESTABLISHED) {
/* Try next neighbour */
- rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic);
+ rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic, 0);
if (rose->neighbour)
goto rose_try_next_neigh;
* hooked into the SABM we saved
*/
for (;;) {
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
err = -ERESTARTSYS;
break;
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
if (err)
goto out_release;
newsk = skb->sk;
- newsk->sk_socket = newsock;
- newsk->sk_sleep = &newsock->wait;
+ sock_graft(newsk, newsock);
/* Now attach up the new socket */
skb->sk = NULL;
kfree_skb(skb);
sk->sk_ack_backlog--;
- newsock->sk = newsk;
out_release:
release_sock(sk);
struct rose_sock *rose = rose_sk(sk);
int n;
+ memset(srose, 0, sizeof(*srose));
if (peer != 0) {
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
struct sock *make;
struct rose_sock *make_rose;
struct rose_facilities_struct facilities;
- int n, len;
+ int n;
skb->sk = NULL; /* Initially we don't know who it's for */
*/
memset(&facilities, 0x00, sizeof(struct rose_facilities_struct));
- len = (((skb->data[3] >> 4) & 0x0F) + 1) >> 1;
- len += (((skb->data[3] >> 0) & 0x0F) + 1) >> 1;
- if (!rose_parse_facilities(skb->data + len + 4, &facilities)) {
+ if (!rose_parse_facilities(skb->data + ROSE_CALL_REQ_FACILITIES_OFF,
+ skb->len - ROSE_CALL_REQ_FACILITIES_OFF,
+ &facilities)) {
rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76);
return 0;
}
/* Build a packet */
SOCK_DEBUG(sk, "ROSE: sendto: building packet.\n");
+ /* Sanity check the packet size */
+ if (len > 65535)
+ return -EMSGSIZE;
+
size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
if ((skb = sock_alloc_send_skb(sk, size, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL)
switch (cmd) {
case TIOCOUTQ: {
long amount;
- amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+
+ amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
return put_user(amount, (unsigned int __user *) argp);
static void *rose_info_start(struct seq_file *seq, loff_t *pos)
__acquires(rose_list_lock)
{
- int i;
- struct sock *s;
- struct hlist_node *node;
-
spin_lock_bh(&rose_list_lock);
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
- i = 1;
- sk_for_each(s, node, &rose_list) {
- if (i == *pos)
- return s;
- ++i;
- }
- return NULL;
+ return seq_hlist_start_head(&rose_list, *pos);
}
static void *rose_info_next(struct seq_file *seq, void *v, loff_t *pos)
{
- ++*pos;
-
- return (v == SEQ_START_TOKEN) ? sk_head(&rose_list)
- : sk_next((struct sock *)v);
+ return seq_hlist_next(v, &rose_list, pos);
}
static void rose_info_stop(struct seq_file *seq, void *v)
static int rose_info_show(struct seq_file *seq, void *v)
{
- char buf[11];
+ char buf[11], rsbuf[11];
if (v == SEQ_START_TOKEN)
seq_puts(seq,
"dest_addr dest_call src_addr src_call dev lci neigh st vs vr va t t1 t2 t3 hb idle Snd-Q Rcv-Q inode\n");
else {
- struct sock *s = v;
+ struct sock *s = sk_entry(v);
struct rose_sock *rose = rose_sk(s);
const char *devname, *callsign;
const struct net_device *dev = rose->device;
devname = dev->name;
seq_printf(seq, "%-10s %-9s ",
- rose2asc(&rose->dest_addr),
- ax2asc(buf, &rose->dest_call));
+ rose2asc(rsbuf, &rose->dest_addr),
+ ax2asc(buf, &rose->dest_call));
if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
callsign = "??????-?";
seq_printf(seq,
"%-10s %-9s %-5s %3.3X %05d %d %d %d %d %3lu %3lu %3lu %3lu %3lu %3lu/%03lu %5d %5d %ld\n",
- rose2asc(&rose->source_addr),
+ rose2asc(rsbuf, &rose->source_addr),
callsign,
devname,
rose->lci & 0x0FFF,
rose->hb / HZ,
ax25_display_timer(&rose->idletimer) / (60 * HZ),
rose->idle / (60 * HZ),
- atomic_read(&s->sk_wmem_alloc),
- atomic_read(&s->sk_rmem_alloc),
+ sk_wmem_alloc_get(s),
+ sk_rmem_alloc_get(s),
s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
}
};
#endif /* CONFIG_PROC_FS */
-static struct net_proto_family rose_family_ops = {
+static const struct net_proto_family rose_family_ops = {
.family = PF_ROSE,
.create = rose_create,
.owner = THIS_MODULE,
};
-static struct proto_ops rose_proto_ops = {
+static const struct proto_ops rose_proto_ops = {
.family = PF_ROSE,
.owner = THIS_MODULE,
.release = rose_release,
char name[IFNAMSIZ];
sprintf(name, "rose%d", i);
- dev = alloc_netdev(sizeof(struct net_device_stats),
- name, rose_setup);
+ dev = alloc_netdev(0, name, rose_setup);
if (!dev) {
printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate memory\n");
rc = -ENOMEM;
free_netdev(dev);
goto fail;
}
- lockdep_set_class(&dev->_xmit_lock, &rose_netdev_xmit_lock_key);
+ rose_set_lockdep_key(dev);
dev_rose[i] = dev;
}
projects / linux-flexiantxendom0-natty.git / blobdiff