aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ipw2x00/libipw_module.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ipw2x00/libipw_module.c')
-rw-r--r--drivers/net/wireless/ipw2x00/libipw_module.c234
1 files changed, 138 insertions, 96 deletions
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index a2f5616d5b0..3adb24021a2 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -25,7 +25,7 @@
file called LICENSE.
Contact Information:
- James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ Intel Linux Wireless <ilw@linux.intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
@@ -50,11 +50,12 @@
#include <net/net_namespace.h>
#include <net/arp.h>
-#include <net/ieee80211.h>
+#include "libipw.h"
#define DRV_DESCRIPTION "802.11 data/management/control stack"
-#define DRV_NAME "ieee80211"
-#define DRV_VERSION IEEE80211_VERSION
+#define DRV_NAME "libipw"
+#define DRV_PROCNAME "ieee80211"
+#define DRV_VERSION LIBIPW_VERSION
#define DRV_COPYRIGHT "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>"
MODULE_VERSION(DRV_VERSION);
@@ -62,24 +63,28 @@ MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR(DRV_COPYRIGHT);
MODULE_LICENSE("GPL");
-static int ieee80211_networks_allocate(struct ieee80211_device *ieee)
+static struct cfg80211_ops libipw_config_ops = { };
+static void *libipw_wiphy_privid = &libipw_wiphy_privid;
+
+static int libipw_networks_allocate(struct libipw_device *ieee)
{
- if (ieee->networks)
- return 0;
-
- ieee->networks =
- kzalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
- GFP_KERNEL);
- if (!ieee->networks) {
- printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
- ieee->dev->name);
- return -ENOMEM;
+ int i, j;
+
+ for (i = 0; i < MAX_NETWORK_COUNT; i++) {
+ ieee->networks[i] = kzalloc(sizeof(struct libipw_network),
+ GFP_KERNEL);
+ if (!ieee->networks[i]) {
+ LIBIPW_ERROR("Out of memory allocating beacons\n");
+ for (j = 0; j < i; j++)
+ kfree(ieee->networks[j]);
+ return -ENOMEM;
+ }
}
return 0;
}
-void ieee80211_network_reset(struct ieee80211_network *network)
+void libipw_network_reset(struct libipw_network *network)
{
if (!network)
return;
@@ -90,76 +95,95 @@ void ieee80211_network_reset(struct ieee80211_network *network)
}
}
-static inline void ieee80211_networks_free(struct ieee80211_device *ieee)
+static inline void libipw_networks_free(struct libipw_device *ieee)
{
int i;
- if (!ieee->networks)
- return;
+ for (i = 0; i < MAX_NETWORK_COUNT; i++) {
+ if (ieee->networks[i]->ibss_dfs)
+ kfree(ieee->networks[i]->ibss_dfs);
+ kfree(ieee->networks[i]);
+ }
+}
- for (i = 0; i < MAX_NETWORK_COUNT; i++)
- if (ieee->networks[i].ibss_dfs)
- kfree(ieee->networks[i].ibss_dfs);
+void libipw_networks_age(struct libipw_device *ieee,
+ unsigned long age_secs)
+{
+ struct libipw_network *network = NULL;
+ unsigned long flags;
+ unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC);
- kfree(ieee->networks);
- ieee->networks = NULL;
+ spin_lock_irqsave(&ieee->lock, flags);
+ list_for_each_entry(network, &ieee->network_list, list) {
+ network->last_scanned -= age_jiffies;
+ }
+ spin_unlock_irqrestore(&ieee->lock, flags);
}
+EXPORT_SYMBOL(libipw_networks_age);
-static void ieee80211_networks_initialize(struct ieee80211_device *ieee)
+static void libipw_networks_initialize(struct libipw_device *ieee)
{
int i;
INIT_LIST_HEAD(&ieee->network_free_list);
INIT_LIST_HEAD(&ieee->network_list);
for (i = 0; i < MAX_NETWORK_COUNT; i++)
- list_add_tail(&ieee->networks[i].list,
+ list_add_tail(&ieee->networks[i]->list,
&ieee->network_free_list);
}
-static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
+int libipw_change_mtu(struct net_device *dev, int new_mtu)
{
- if ((new_mtu < 68) || (new_mtu > IEEE80211_DATA_LEN))
+ if ((new_mtu < 68) || (new_mtu > LIBIPW_DATA_LEN))
return -EINVAL;
dev->mtu = new_mtu;
return 0;
}
+EXPORT_SYMBOL(libipw_change_mtu);
-static struct net_device_stats *ieee80211_generic_get_stats(
- struct net_device *dev)
+struct net_device *alloc_libipw(int sizeof_priv, int monitor)
{
- struct ieee80211_device *ieee = netdev_priv(dev);
- return &ieee->stats;
-}
-
-struct net_device *alloc_ieee80211(int sizeof_priv)
-{
- struct ieee80211_device *ieee;
+ struct libipw_device *ieee;
struct net_device *dev;
int err;
- IEEE80211_DEBUG_INFO("Initializing...\n");
+ LIBIPW_DEBUG_INFO("Initializing...\n");
- dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
- if (!dev) {
- IEEE80211_ERROR("Unable to allocate network device.\n");
+ dev = alloc_etherdev(sizeof(struct libipw_device) + sizeof_priv);
+ if (!dev)
goto failed;
- }
- ieee = netdev_priv(dev);
- dev->hard_start_xmit = ieee80211_xmit;
- dev->change_mtu = ieee80211_change_mtu;
- /* Drivers are free to override this if the generic implementation
- * does not meet their needs. */
- dev->get_stats = ieee80211_generic_get_stats;
+ ieee = netdev_priv(dev);
ieee->dev = dev;
- err = ieee80211_networks_allocate(ieee);
+ if (!monitor) {
+ ieee->wdev.wiphy = wiphy_new(&libipw_config_ops, 0);
+ if (!ieee->wdev.wiphy) {
+ LIBIPW_ERROR("Unable to allocate wiphy.\n");
+ goto failed_free_netdev;
+ }
+
+ ieee->dev->ieee80211_ptr = &ieee->wdev;
+ ieee->wdev.iftype = NL80211_IFTYPE_STATION;
+
+ /* Fill-out wiphy structure bits we know... Not enough info
+ here to call set_wiphy_dev or set MAC address or channel info
+ -- have to do that in ->ndo_init... */
+ ieee->wdev.wiphy->privid = libipw_wiphy_privid;
+
+ ieee->wdev.wiphy->max_scan_ssids = 1;
+ ieee->wdev.wiphy->max_scan_ie_len = 0;
+ ieee->wdev.wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
+ | BIT(NL80211_IFTYPE_ADHOC);
+ }
+
+ err = libipw_networks_allocate(ieee);
if (err) {
- IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
- goto failed_free_netdev;
+ LIBIPW_ERROR("Unable to allocate beacon storage: %d\n", err);
+ goto failed_free_wiphy;
}
- ieee80211_networks_initialize(ieee);
+ libipw_networks_initialize(ieee);
/* Default fragmentation threshold is maximum payload size */
ieee->fts = DEFAULT_FTS;
@@ -172,7 +196,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
ieee->host_decrypt = 1;
ieee->host_mc_decrypt = 1;
- /* Host fragementation in Open mode. Default is enabled.
+ /* Host fragmentation in Open mode. Default is enabled.
* Note: host fragmentation is always enabled if host encryption
* is enabled. For cards can do hardware encryption, they must do
* hardware fragmentation as well. So we don't need a variable
@@ -190,40 +214,55 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
return dev;
+failed_free_wiphy:
+ if (!monitor)
+ wiphy_free(ieee->wdev.wiphy);
failed_free_netdev:
free_netdev(dev);
failed:
return NULL;
}
+EXPORT_SYMBOL(alloc_libipw);
-void free_ieee80211(struct net_device *dev)
+void free_libipw(struct net_device *dev, int monitor)
{
- struct ieee80211_device *ieee = netdev_priv(dev);
+ struct libipw_device *ieee = netdev_priv(dev);
lib80211_crypt_info_free(&ieee->crypt_info);
- ieee80211_networks_free(ieee);
+ libipw_networks_free(ieee);
+
+ /* free cfg80211 resources */
+ if (!monitor)
+ wiphy_free(ieee->wdev.wiphy);
+
free_netdev(dev);
}
+EXPORT_SYMBOL(free_libipw);
-#ifdef CONFIG_IEEE80211_DEBUG
+#ifdef CONFIG_LIBIPW_DEBUG
static int debug = 0;
-u32 ieee80211_debug_level = 0;
-EXPORT_SYMBOL_GPL(ieee80211_debug_level);
-static struct proc_dir_entry *ieee80211_proc = NULL;
+u32 libipw_debug_level = 0;
+EXPORT_SYMBOL_GPL(libipw_debug_level);
+static struct proc_dir_entry *libipw_proc = NULL;
-static int show_debug_level(char *page, char **start, off_t offset,
- int count, int *eof, void *data)
+static int debug_level_proc_show(struct seq_file *m, void *v)
{
- return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
+ seq_printf(m, "0x%08X\n", libipw_debug_level);
+ return 0;
}
-static int store_debug_level(struct file *file, const char __user * buffer,
- unsigned long count, void *data)
+static int debug_level_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, debug_level_proc_show, NULL);
+}
+
+static ssize_t debug_level_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
{
char buf[] = "0x00000000\n";
- unsigned long len = min((unsigned long)sizeof(buf) - 1, count);
+ size_t len = min(sizeof(buf) - 1, count);
unsigned long val;
if (copy_from_user(buf, buffer, len))
@@ -233,35 +272,41 @@ static int store_debug_level(struct file *file, const char __user * buffer,
printk(KERN_INFO DRV_NAME
": %s is not in hex or decimal form.\n", buf);
else
- ieee80211_debug_level = val;
+ libipw_debug_level = val;
return strnlen(buf, len);
}
-#endif /* CONFIG_IEEE80211_DEBUG */
-static int __init ieee80211_init(void)
+static const struct file_operations debug_level_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = debug_level_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = debug_level_proc_write,
+};
+#endif /* CONFIG_LIBIPW_DEBUG */
+
+static int __init libipw_init(void)
{
-#ifdef CONFIG_IEEE80211_DEBUG
+#ifdef CONFIG_LIBIPW_DEBUG
struct proc_dir_entry *e;
- ieee80211_debug_level = debug;
- ieee80211_proc = proc_mkdir(DRV_NAME, init_net.proc_net);
- if (ieee80211_proc == NULL) {
- IEEE80211_ERROR("Unable to create " DRV_NAME
+ libipw_debug_level = debug;
+ libipw_proc = proc_mkdir(DRV_PROCNAME, init_net.proc_net);
+ if (libipw_proc == NULL) {
+ LIBIPW_ERROR("Unable to create " DRV_PROCNAME
" proc directory\n");
return -EIO;
}
- e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
- ieee80211_proc);
+ e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc,
+ &debug_level_proc_fops);
if (!e) {
- remove_proc_entry(DRV_NAME, init_net.proc_net);
- ieee80211_proc = NULL;
+ remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
+ libipw_proc = NULL;
return -EIO;
}
- e->read_proc = show_debug_level;
- e->write_proc = store_debug_level;
- e->data = NULL;
-#endif /* CONFIG_IEEE80211_DEBUG */
+#endif /* CONFIG_LIBIPW_DEBUG */
printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
@@ -269,25 +314,22 @@ static int __init ieee80211_init(void)
return 0;
}
-static void __exit ieee80211_exit(void)
+static void __exit libipw_exit(void)
{
-#ifdef CONFIG_IEEE80211_DEBUG
- if (ieee80211_proc) {
- remove_proc_entry("debug_level", ieee80211_proc);
- remove_proc_entry(DRV_NAME, init_net.proc_net);
- ieee80211_proc = NULL;
+#ifdef CONFIG_LIBIPW_DEBUG
+ if (libipw_proc) {
+ remove_proc_entry("debug_level", libipw_proc);
+ remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
+ libipw_proc = NULL;
}
-#endif /* CONFIG_IEEE80211_DEBUG */
+#endif /* CONFIG_LIBIPW_DEBUG */
}
-#ifdef CONFIG_IEEE80211_DEBUG
+#ifdef CONFIG_LIBIPW_DEBUG
#include <linux/moduleparam.h>
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
-#endif /* CONFIG_IEEE80211_DEBUG */
-
-module_exit(ieee80211_exit);
-module_init(ieee80211_init);
+#endif /* CONFIG_LIBIPW_DEBUG */
-EXPORT_SYMBOL(alloc_ieee80211);
-EXPORT_SYMBOL(free_ieee80211);
+module_exit(libipw_exit);
+module_init(libipw_init);