Pull acpica-20060707 into test branch

[powerpc.git] / net / netrom / af_netrom.c

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index f4578c7..ecc7968 100644 (file)
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -8,9 +8,9 @@
  * Copyright Alan Cox GW4PTS (alan@lxorguk.ukuu.org.uk)
  * Copyright Darryl Miles G7LED (dlm@g7led.demon.co.uk)
  */
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
@@ -56,13 +56,14 @@ int sysctl_netrom_transport_requested_window_size = NR_DEFAULT_WINDOW;
 int sysctl_netrom_transport_no_activity_timeout   = NR_DEFAULT_IDLE;
 int sysctl_netrom_routing_control                 = NR_DEFAULT_ROUTING;
 int sysctl_netrom_link_fails_count                = NR_DEFAULT_FAILS;
+int sysctl_netrom_reset_circuit                   = NR_DEFAULT_RESET;
 
 static unsigned short circuit = 0x101;
 
 static HLIST_HEAD(nr_list);
 static DEFINE_SPINLOCK(nr_list_lock);
 
-static struct proto_ops nr_proto_ops;
+static const struct proto_ops nr_proto_ops;
 
 /*
  *     Socket removal during an interrupt is now safe.
@@ -423,11 +424,16 @@ static int nr_create(struct socket *sock, int protocol)
 
        nr_init_timers(sk);
 
-       nr->t1     = sysctl_netrom_transport_timeout;
-       nr->t2     = sysctl_netrom_transport_acknowledge_delay;
-       nr->n2     = sysctl_netrom_transport_maximum_tries;
-       nr->t4     = sysctl_netrom_transport_busy_delay;
-       nr->idle   = sysctl_netrom_transport_no_activity_timeout;
+       nr->t1     =
+               msecs_to_jiffies(sysctl_netrom_transport_timeout);
+       nr->t2     =
+               msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay);
+       nr->n2     =
+               msecs_to_jiffies(sysctl_netrom_transport_maximum_tries);
+       nr->t4     =
+               msecs_to_jiffies(sysctl_netrom_transport_busy_delay);
+       nr->idle   =
+               msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout);
        nr->window = sysctl_netrom_transport_requested_window_size;
 
        nr->bpqext = 1;
@@ -794,7 +800,7 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
 
        /* Now attach up the new socket */
        kfree_skb(skb);
-       sk->sk_ack_backlog--;
+       sk_acceptq_removed(sk);
        newsock->sk = newsk;
 
 out:
@@ -908,17 +914,17 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
        if (frametype != NR_CONNREQ) {
                /*
                 * Here it would be nice to be able to send a reset but
-                * NET/ROM doesn't have one. The following hack would
-                * have been a way to extend the protocol but apparently
-                * it kills BPQ boxes... :-(
+                * NET/ROM doesn't have one.  We've tried to extend the protocol
+                * by sending NR_CONNACK | NR_CHOKE_FLAGS replies but that
+                * apparently kills BPQ boxes... :-(
+                * So now we try to follow the established behaviour of
+                * G8PZT's Xrouter which is sending packets with command type 7
+                * as an extension of the protocol.
                 */
-#if 0
-               /*
-                * Never reply to a CONNACK/CHOKE.
-                */
-               if (frametype != NR_CONNACK || flags != NR_CHOKE_FLAG)
-                       nr_transmit_refusal(skb, 1);
-#endif
+               if (sysctl_netrom_reset_circuit &&
+                   (frametype != NR_RESET || flags != 0))
+                       nr_transmit_reset(skb, 1);
+
                return 0;
        }
 
@@ -979,7 +985,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
        nr_make->vr        = 0;
        nr_make->vl        = 0;
        nr_make->state     = NR_STATE_3;
-       sk->sk_ack_backlog++;
+       sk_acceptq_added(sk);
 
        nr_insert_socket(make);
 
@@ -1165,10 +1171,11 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        void __user *argp = (void __user *)arg;
        int ret;
 
-       lock_sock(sk);
        switch (cmd) {
        case TIOCOUTQ: {
                long amount;
+
+               lock_sock(sk);
                amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
                if (amount < 0)
                        amount = 0;
@@ -1179,6 +1186,8 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        case TIOCINQ: {
                struct sk_buff *skb;
                long amount = 0L;
+
+               lock_sock(sk);
                /* These two are safe on a single CPU system as only user tasks fiddle here */
                if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
                        amount = skb->len;
@@ -1187,9 +1196,8 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        }
 
        case SIOCGSTAMP:
-               ret = -EINVAL;
-               if (sk != NULL)
-                       ret = sock_get_timestamp(sk, argp);
+               lock_sock(sk);
+               ret = sock_get_timestamp(sk, argp);
                release_sock(sk);
                return ret;
 
@@ -1203,21 +1211,17 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        case SIOCSIFNETMASK:
        case SIOCGIFMETRIC:
        case SIOCSIFMETRIC:
-               release_sock(sk);
                return -EINVAL;
 
        case SIOCADDRT:
        case SIOCDELRT:
        case SIOCNRDECOBS:
-               release_sock(sk);
                if (!capable(CAP_NET_ADMIN)) return -EPERM;
                return nr_rt_ioctl(cmd, argp);
 
        default:
-               release_sock(sk);
-               return dev_ioctl(cmd, argp);
+               return -ENOIOCTLCMD;
        }
-       release_sock(sk);
 
        return 0;
 }
@@ -1338,7 +1342,7 @@ static struct net_proto_family nr_family_ops = {
        .owner          =       THIS_MODULE,
 };
 
-static struct proto_ops nr_proto_ops = {
+static const struct proto_ops nr_proto_ops = {
        .family         =       PF_NETROM,
        .owner          =       THIS_MODULE,
        .release        =       nr_release,
@@ -1365,8 +1369,6 @@ static struct notifier_block nr_dev_notifier = {
 
 static struct net_device **dev_nr;
 
-static char banner[] __initdata = KERN_INFO "G4KLX NET/ROM for Linux. Version 0.7 for AX25.037 Linux 2.4\n";
-
 static int __init nr_proto_init(void)
 {
        int i;
@@ -1380,21 +1382,18 @@ static int __init nr_proto_init(void)
                return -1;
        }
 
-       dev_nr = kmalloc(nr_ndevs * sizeof(struct net_device *), GFP_KERNEL);
+       dev_nr = kzalloc(nr_ndevs * sizeof(struct net_device *), GFP_KERNEL);
        if (dev_nr == NULL) {
                printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device array\n");
                return -1;
        }
 
-       memset(dev_nr, 0x00, nr_ndevs * sizeof(struct net_device *));
-
        for (i = 0; i < nr_ndevs; i++) {
                char name[IFNAMSIZ];
                struct net_device *dev;
 
                sprintf(name, "nr%d", i);
-               dev = alloc_netdev(sizeof(struct net_device_stats), name,
-                                         nr_setup);
+               dev = alloc_netdev(sizeof(struct nr_private), name, nr_setup);
                if (!dev) {
                        printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device structure\n");
                        goto fail;
@@ -1415,7 +1414,6 @@ static int __init nr_proto_init(void)
        }
                
        register_netdevice_notifier(&nr_dev_notifier);
-       printk(banner);
 
        ax25_protocol_register(AX25_P_NETROM, nr_route_frame);
        ax25_linkfail_register(nr_link_failed);