#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <asm/uaccess.h>
#include <net/ieee80211.h>
#include <linux/kthread.h>
+#include <linux/freezer.h>
#include "airo.h"
struct airo_info {
struct net_device_stats stats;
struct net_device *dev;
+ struct list_head dev_list;
/* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
use the high bit to mark whether it is in use. */
#define MAX_FIDS 6
crypto_cipher_setkey(tfm, pkey, 16);
counter = 0;
- for (i = 0; i < (sizeof(context->coeff)/sizeof(context->coeff[0])); ) {
+ for (i = 0; i < ARRAY_SIZE(context->coeff); ) {
aes_counter[15] = (u8)(counter >> 0);
aes_counter[14] = (u8)(counter >> 8);
aes_counter[13] = (u8)(counter >> 16);
memcpy (plain, aes_counter, 16);
crypto_cipher_encrypt_one(tfm, plain, plain);
cipher = plain;
- for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
+ for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) {
context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
j += 4;
}
return 0;
}
+static LIST_HEAD(airo_devices);
+
+static void add_airo_dev(struct airo_info *ai)
+{
+ /* Upper layers already keep track of PCI devices,
+ * so we only need to remember our non-PCI cards. */
+ if (!ai->pci)
+ list_add_tail(&ai->dev_list, &airo_devices);
+}
+
+static void del_airo_dev(struct airo_info *ai)
+{
+ if (!ai->pci)
+ list_del(&ai->dev_list);
+}
static int airo_close(struct net_device *dev) {
struct airo_info *ai = dev->priv;
return 0;
}
-static void del_airo_dev( struct net_device *dev );
-
void stop_airo_card( struct net_device *dev, int freeres )
{
struct airo_info *ai = dev->priv;
}
}
crypto_free_cipher(ai->tfm);
- del_airo_dev( dev );
+ del_airo_dev(ai);
free_netdev( dev );
}
EXPORT_SYMBOL(stop_airo_card);
-static int add_airo_dev( struct net_device *dev );
-
static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
- memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
return ETH_ALEN;
}
static void airo_networks_free(struct airo_info *ai)
{
- if (!ai->networks)
- return;
kfree(ai->networks);
ai->networks = NULL;
}
if (IS_ERR(ai->airo_thread_task))
goto err_out_free;
ai->tfm = NULL;
- rc = add_airo_dev( dev );
- if (rc)
- goto err_out_thr;
+ add_airo_dev(ai);
if (airo_networks_allocate (ai))
- goto err_out_unlink;
+ goto err_out_thr;
airo_networks_initialize (ai);
/* The Airo-specific entries in the device structure. */
if (rc) {
airo_print_err(dev->name, "register interrupt %d failed, rc %d",
irq, rc);
- goto err_out_unlink;
+ goto err_out_nets;
}
if (!is_pcmcia) {
if (!request_region( dev->base_addr, 64, dev->name )) {
goto err_out_map;
}
ai->wifidev = init_wifidev(ai, dev);
+ if (!ai->wifidev)
+ goto err_out_reg;
set_bit(FLAG_REGISTERED,&ai->flags);
airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
for( i = 0; i < MAX_FIDS; i++ )
ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
- setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
+ if (setup_proc_entry(dev, dev->priv) < 0)
+ goto err_out_wifi;
+
netif_start_queue(dev);
SET_MODULE_OWNER(dev);
return dev;
+err_out_wifi:
+ unregister_netdev(ai->wifidev);
+ free_netdev(ai->wifidev);
+err_out_reg:
+ unregister_netdev(dev);
err_out_map:
if (test_bit(FLAG_MPI,&ai->flags) && pci) {
pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma);
release_region( dev->base_addr, 64 );
err_out_irq:
free_irq(dev->irq, dev);
-err_out_unlink:
- del_airo_dev(dev);
+err_out_nets:
+ airo_networks_free(ai);
err_out_thr:
+ del_airo_dev(ai);
set_bit(JOB_DIE, &ai->jobs);
kthread_stop(ai->airo_thread_task);
err_out_free:
set_bit(JOB_AUTOWEP, &ai->jobs);
break;
}
- if (!kthread_should_stop()) {
+ if (!kthread_should_stop() &&
+ !freezing(current)) {
unsigned long wake_at;
if (!ai->expires || !ai->scan_timeout) {
wake_at = max(ai->expires,
schedule_timeout(wake_at - jiffies);
continue;
}
- } else if (!kthread_should_stop()) {
+ } else if (!kthread_should_stop() &&
+ !freezing(current)) {
schedule();
continue;
}
OUT4500( apriv, EVACK, EV_RX);
if (test_bit(FLAG_802_11, &apriv->flags)) {
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb->pkt_type = PACKET_OTHERHOST;
skb->dev = apriv->wifidev;
skb->protocol = htons(ETH_P_802_2);
- } else {
- skb->dev = dev;
+ } else
skb->protocol = eth_type_trans(skb,dev);
- }
skb->dev->last_rx = jiffies;
skb->ip_summed = CHECKSUM_NONE;
}
#endif /* WIRELESS_SPY */
- skb->dev = ai->dev;
skb->ip_summed = CHECKSUM_NONE;
skb->protocol = eth_type_trans(skb, ai->dev);
skb->dev->last_rx = jiffies;
wireless_spy_update(ai->dev, sa, &wstats);
}
#endif /* IW_WIRELESS_SPY */
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb->pkt_type = PACKET_OTHERHOST;
skb->dev = ai->wifidev;
skb->protocol = htons(ETH_P_802_2);
static int proc_config_open( struct inode *inode, struct file *file );
static int proc_wepkey_open( struct inode *inode, struct file *file );
-static struct file_operations proc_statsdelta_ops = {
+static const struct file_operations proc_statsdelta_ops = {
.read = proc_read,
.open = proc_statsdelta_open,
.release = proc_close
};
-static struct file_operations proc_stats_ops = {
+static const struct file_operations proc_stats_ops = {
.read = proc_read,
.open = proc_stats_open,
.release = proc_close
};
-static struct file_operations proc_status_ops = {
+static const struct file_operations proc_status_ops = {
.read = proc_read,
.open = proc_status_open,
.release = proc_close
};
-static struct file_operations proc_SSID_ops = {
+static const struct file_operations proc_SSID_ops = {
.read = proc_read,
.write = proc_write,
.open = proc_SSID_open,
.release = proc_close
};
-static struct file_operations proc_BSSList_ops = {
+static const struct file_operations proc_BSSList_ops = {
.read = proc_read,
.write = proc_write,
.open = proc_BSSList_open,
.release = proc_close
};
-static struct file_operations proc_APList_ops = {
+static const struct file_operations proc_APList_ops = {
.read = proc_read,
.write = proc_write,
.open = proc_APList_open,
.release = proc_close
};
-static struct file_operations proc_config_ops = {
+static const struct file_operations proc_config_ops = {
.read = proc_read,
.write = proc_write,
.open = proc_config_open,
.release = proc_close
};
-static struct file_operations proc_wepkey_ops = {
+static const struct file_operations proc_wepkey_ops = {
.read = proc_read,
.write = proc_write,
.open = proc_wepkey_open,
apriv->proc_entry = create_proc_entry(apriv->proc_name,
S_IFDIR|airo_perm,
airo_entry);
- apriv->proc_entry->uid = proc_uid;
- apriv->proc_entry->gid = proc_gid;
- apriv->proc_entry->owner = THIS_MODULE;
+ if (!apriv->proc_entry)
+ goto fail;
+ apriv->proc_entry->uid = proc_uid;
+ apriv->proc_entry->gid = proc_gid;
+ apriv->proc_entry->owner = THIS_MODULE;
/* Setup the StatsDelta */
entry = create_proc_entry("StatsDelta",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_stats_delta;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_statsdelta_ops);
/* Setup the Stats */
entry = create_proc_entry("Stats",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_stats;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_stats_ops);
/* Setup the Status */
entry = create_proc_entry("Status",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_status;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_status_ops);
/* Setup the Config */
entry = create_proc_entry("Config",
S_IFREG | proc_perm,
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_config;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_config_ops);
/* Setup the SSID */
entry = create_proc_entry("SSID",
S_IFREG | proc_perm,
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_ssid;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_SSID_ops);
/* Setup the APList */
entry = create_proc_entry("APList",
S_IFREG | proc_perm,
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_aplist;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_APList_ops);
/* Setup the BSSList */
entry = create_proc_entry("BSSList",
S_IFREG | proc_perm,
apriv->proc_entry);
+ if (!entry)
+ goto fail_bsslist;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_BSSList_ops);
/* Setup the WepKey */
entry = create_proc_entry("WepKey",
S_IFREG | proc_perm,
apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ if (!entry)
+ goto fail_wepkey;
+ entry->uid = proc_uid;
+ entry->gid = proc_gid;
entry->data = dev;
- entry->owner = THIS_MODULE;
+ entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_wepkey_ops);
return 0;
+
+fail_wepkey:
+ remove_proc_entry("BSSList", apriv->proc_entry);
+fail_bsslist:
+ remove_proc_entry("APList", apriv->proc_entry);
+fail_aplist:
+ remove_proc_entry("SSID", apriv->proc_entry);
+fail_ssid:
+ remove_proc_entry("Config", apriv->proc_entry);
+fail_config:
+ remove_proc_entry("Status", apriv->proc_entry);
+fail_status:
+ remove_proc_entry("Stats", apriv->proc_entry);
+fail_stats:
+ remove_proc_entry("StatsDelta", apriv->proc_entry);
+fail_stats_delta:
+ remove_proc_entry(apriv->proc_name, airo_entry);
+fail:
+ return -ENOMEM;
}
static int takedown_proc_entry( struct net_device *dev,
return 0;
}
-static struct net_device_list {
- struct net_device *dev;
- struct net_device_list *next;
-} *airo_devices;
-
/* Since the card doesn't automatically switch to the right WEP mode,
we will make it do it. If the card isn't associated, every secs we
will switch WEP modes to see if that will help. If the card is
apriv->expires = RUN_AT(HZ*3);
}
-static int add_airo_dev( struct net_device *dev ) {
- struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
- if ( !node )
- return -ENOMEM;
-
- node->dev = dev;
- node->next = airo_devices;
- airo_devices = node;
-
- return 0;
-}
-
-static void del_airo_dev( struct net_device *dev ) {
- struct net_device_list **p = &airo_devices;
- while( *p && ( (*p)->dev != dev ) )
- p = &(*p)->next;
- if ( *p && (*p)->dev == dev )
- *p = (*p)->next;
-}
-
#ifdef CONFIG_PCI
static int __devinit airo_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pent)
static void __devexit airo_pci_remove(struct pci_dev *pdev)
{
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ airo_print_info(dev->name, "Unregistering...");
+ stop_airo_card(dev, 1);
}
static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
static void __exit airo_cleanup_module( void )
{
- while( airo_devices ) {
- airo_print_info(airo_devices->dev->name, "Unregistering...\n");
- stop_airo_card( airo_devices->dev, 1 );
+ struct airo_info *ai;
+ while(!list_empty(&airo_devices)) {
+ ai = list_entry(airo_devices.next, struct airo_info, dev_list);
+ airo_print_info(ai->dev->name, "Unregistering...");
+ stop_airo_card(ai->dev, 1);
}
#ifdef CONFIG_PCI
pci_unregister_driver(&airo_driver);
/* Get the current SSID */
memcpy(extra, status_rid.SSID, status_rid.SSIDlen);
- extra[status_rid.SSIDlen] = '\0';
/* If none, we may want to get the one that was set */
/* Push it out ! */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff