diff options
Diffstat (limited to 'drivers/net/wireless/ipw2x00/libipw_module.c')
| -rw-r--r-- | drivers/net/wireless/ipw2x00/libipw_module.c | 234 |
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); |
