#include <linux/if_arp.h>
#include <linux/skbuff.h>
#include <net/sock.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/fcntl.h>
static unsigned int rose_neigh_no = 1;
static struct rose_node *rose_node_list;
-static spinlock_t rose_node_list_lock = SPIN_LOCK_UNLOCKED;
-struct rose_neigh *rose_neigh_list;
-static spinlock_t rose_neigh_list_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(rose_node_list_lock);
+static struct rose_neigh *rose_neigh_list;
+static DEFINE_SPINLOCK(rose_neigh_list_lock);
static struct rose_route *rose_route_list;
-static spinlock_t rose_route_list_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(rose_route_list_lock);
-struct rose_neigh *rose_loopback_neigh;
-
-static void rose_remove_neigh(struct rose_neigh *);
+struct rose_neigh rose_loopback_neigh;
/*
* Add a new route to a node, and in the process add the node and the
* neighbour if it is new.
*/
-static int rose_add_node(struct rose_route_struct *rose_route,
+static int __must_check rose_add_node(struct rose_route_struct *rose_route,
struct net_device *dev)
{
struct rose_node *rose_node, *rose_tmpn, *rose_tmpp;
skb_queue_purge(&rose_neigh->queue);
- spin_lock_bh(&rose_neigh_list_lock);
-
if ((s = rose_neigh_list) == rose_neigh) {
rose_neigh_list = rose_neigh->next;
- spin_unlock_bh(&rose_neigh_list_lock);
- if (rose_neigh->digipeat != NULL)
- kfree(rose_neigh->digipeat);
+ kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
}
while (s != NULL && s->next != NULL) {
if (s->next == rose_neigh) {
s->next = rose_neigh->next;
- spin_unlock_bh(&rose_neigh_list_lock);
- if (rose_neigh->digipeat != NULL)
- kfree(rose_neigh->digipeat);
+ kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
}
s = s->next;
}
- spin_unlock_bh(&rose_neigh_list_lock);
}
/*
/*
* Add the loopback neighbour.
*/
-int rose_add_loopback_neigh(void)
+void rose_add_loopback_neigh(void)
{
- if ((rose_loopback_neigh = kmalloc(sizeof(struct rose_neigh), GFP_ATOMIC)) == NULL)
- return -ENOMEM;
+ struct rose_neigh *sn = &rose_loopback_neigh;
- rose_loopback_neigh->callsign = null_ax25_address;
- rose_loopback_neigh->digipeat = NULL;
- rose_loopback_neigh->ax25 = NULL;
- rose_loopback_neigh->dev = NULL;
- rose_loopback_neigh->count = 0;
- rose_loopback_neigh->use = 0;
- rose_loopback_neigh->dce_mode = 1;
- rose_loopback_neigh->loopback = 1;
- rose_loopback_neigh->number = rose_neigh_no++;
- rose_loopback_neigh->restarted = 1;
+ sn->callsign = null_ax25_address;
+ sn->digipeat = NULL;
+ sn->ax25 = NULL;
+ sn->dev = NULL;
+ sn->count = 0;
+ sn->use = 0;
+ sn->dce_mode = 1;
+ sn->loopback = 1;
+ sn->number = rose_neigh_no++;
+ sn->restarted = 1;
- skb_queue_head_init(&rose_loopback_neigh->queue);
+ skb_queue_head_init(&sn->queue);
- init_timer(&rose_loopback_neigh->ftimer);
- init_timer(&rose_loopback_neigh->t0timer);
+ init_timer(&sn->ftimer);
+ init_timer(&sn->t0timer);
spin_lock_bh(&rose_neigh_list_lock);
- rose_loopback_neigh->next = rose_neigh_list;
- rose_neigh_list = rose_loopback_neigh;
+ sn->next = rose_neigh_list;
+ rose_neigh_list = sn;
spin_unlock_bh(&rose_neigh_list_lock);
-
- return 0;
}
/*
int rose_add_loopback_node(rose_address *address)
{
struct rose_node *rose_node;
- unsigned int err = 0;
+ int err = 0;
spin_lock_bh(&rose_node_list_lock);
rose_node->mask = 10;
rose_node->count = 1;
rose_node->loopback = 1;
- rose_node->neighbour[0] = rose_loopback_neigh;
+ rose_node->neighbour[0] = &rose_loopback_neigh;
/* Insert at the head of list. Address is always mask=10 */
rose_node->next = rose_node_list;
rose_node_list = rose_node;
- rose_loopback_neigh->count++;
+ rose_loopback_neigh.count++;
out:
spin_unlock_bh(&rose_node_list_lock);
- return 0;
+ return err;
}
/*
rose_remove_node(rose_node);
- rose_loopback_neigh->count--;
+ rose_loopback_neigh.count--;
out:
spin_unlock_bh(&rose_node_list_lock);
/*
* Check that the device given is a valid AX.25 interface that is "up".
*/
-struct net_device *rose_ax25_dev_get(char *devname)
+static struct net_device *rose_ax25_dev_get(char *devname)
{
struct net_device *dev;
}
if (rose_route.mask > 10) /* Mask can't be more than 10 digits */
return -EINVAL;
-
+ if (rose_route.ndigis > AX25_MAX_DIGIS)
+ return -EINVAL;
err = rose_add_node(&rose_route, dev);
dev_put(dev);
return err;
unsigned char cause, diagnostic;
struct net_device *dev;
int len, res = 0;
+ char buf[11];
#if 0
if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
if (rose_neigh == NULL) {
printk("rose_route : unknown neighbour or device %s\n",
- ax2asc(&ax25->dest_addr));
+ ax2asc(buf, &ax25->dest_addr));
goto out;
}
*/
if ((sk = rose_find_socket(lci, rose_neigh)) != NULL) {
if (frametype == ROSE_CALL_REQUEST) {
- rose_cb *rose = rose_sk(sk);
+ struct rose_sock *rose = rose_sk(sk);
+
/* Remove an existing unused socket */
rose_clear_queues(sk);
rose->cause = ROSE_NETWORK_CONGESTION;
* 1. The frame isn't for us,
* 2. It isn't "owned" by any existing route.
*/
- if (frametype != ROSE_CALL_REQUEST) /* XXX */
- return 0;
+ if (frametype != ROSE_CALL_REQUEST) { /* XXX */
+ res = 0;
+ goto out;
+ }
len = (((skb->data[3] >> 4) & 0x0F) + 1) / 2;
len += (((skb->data[3] >> 0) & 0x0F) + 1) / 2;
static int rose_neigh_show(struct seq_file *seq, void *v)
{
+ char buf[11];
int i;
if (v == SEQ_START_TOKEN)
/* if (!rose_neigh->loopback) { */
seq_printf(seq, "%05d %-9s %-4s %3d %3d %3s %3s %3lu %3lu",
rose_neigh->number,
- (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(&rose_neigh->callsign),
+ (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(buf, &rose_neigh->callsign),
rose_neigh->dev ? rose_neigh->dev->name : "???",
rose_neigh->count,
rose_neigh->use,
if (rose_neigh->digipeat != NULL) {
for (i = 0; i < rose_neigh->digipeat->ndigi; i++)
- seq_printf(seq, " %s", ax2asc(&rose_neigh->digipeat->calls[i]));
+ seq_printf(seq, " %s", ax2asc(buf, &rose_neigh->digipeat->calls[i]));
}
seq_puts(seq, "\n");
static int rose_route_show(struct seq_file *seq, void *v)
{
+ char buf[11];
+
if (v == SEQ_START_TOKEN)
seq_puts(seq,
"lci address callsign neigh <-> lci address callsign neigh\n");
"%3.3X %-10s %-9s %05d ",
rose_route->lci1,
rose2asc(&rose_route->src_addr),
- ax2asc(&rose_route->src_call),
+ ax2asc(buf, &rose_route->src_call),
rose_route->neigh1->number);
else
seq_puts(seq,
"%3.3X %-10s %-9s %05d\n",
rose_route->lci2,
rose2asc(&rose_route->dest_addr),
- ax2asc(&rose_route->dest_call),
+ ax2asc(buf, &rose_route->dest_call),
rose_route->neigh2->number);
else
seq_puts(seq,
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