diff options
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/ieee80211_module.c')
| -rw-r--r-- | drivers/staging/rtl8192su/ieee80211/ieee80211_module.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c new file mode 100644 index 00000000000..759032db4a3 --- /dev/null +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c @@ -0,0 +1,393 @@ +/******************************************************************************* + + Copyright(c) 2004 Intel Corporation. All rights reserved. + + Portions of this file are based on the WEP enablement code provided by the + Host AP project hostap-drivers v0.1.3 + Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + <jkmaline@cc.hut.fi> + Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + James P. Ketrenos <ipw2100-admin@linux.intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + +#include <linux/compiler.h> +//#include <linux/config.h> +#include <linux/errno.h> +#include <linux/if_arp.h> +#include <linux/in6.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/proc_fs.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <linux/tcp.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/wireless.h> +#include <linux/etherdevice.h> +#include <asm/uaccess.h> +#include <net/arp.h> + +#include "ieee80211.h" + +MODULE_DESCRIPTION("802.11 data/management/control stack"); +MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>"); +MODULE_LICENSE("GPL"); + +#define DRV_NAME "ieee80211" + +static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee) +{ + if (ieee->networks) + return 0; + + ieee->networks = kmalloc( + 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; + } + + memset(ieee->networks, 0, + MAX_NETWORK_COUNT * sizeof(struct ieee80211_network)); + + return 0; +} + +static inline void ieee80211_networks_free(struct ieee80211_device *ieee) +{ + if (!ieee->networks) + return; + kfree(ieee->networks); + ieee->networks = NULL; +} + +static inline void ieee80211_networks_initialize(struct ieee80211_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, &ieee->network_free_list); +} + + +struct net_device *alloc_ieee80211(int sizeof_priv) +{ + struct ieee80211_device *ieee; + struct net_device *dev; + int i,err; + + IEEE80211_DEBUG_INFO("Initializing...\n"); + + dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv); + if (!dev) { + IEEE80211_ERROR("Unable to network device.\n"); + goto failed; + } + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + ieee = netdev_priv(dev); +#else + ieee = (struct ieee80211_device *)dev->priv; +#endif + + memset(ieee, 0, sizeof(struct ieee80211_device)+sizeof_priv); + ieee->dev = dev; + + err = ieee80211_networks_allocate(ieee); + if (err) { + IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", + err); + goto failed; + } + ieee80211_networks_initialize(ieee); + + + /* Default fragmentation threshold is maximum payload size */ + ieee->fts = DEFAULT_FTS; + ieee->scan_age = DEFAULT_MAX_SCAN_AGE; + ieee->open_wep = 1; + + /* Default to enabling full open WEP with host based encrypt/decrypt */ + ieee->host_encrypt = 1; + ieee->host_decrypt = 1; + ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ + + INIT_LIST_HEAD(&ieee->crypt_deinit_list); + init_timer(&ieee->crypt_deinit_timer); + ieee->crypt_deinit_timer.data = (unsigned long)ieee; + ieee->crypt_deinit_timer.function = ieee80211_crypt_deinit_handler; + + spin_lock_init(&ieee->lock); + spin_lock_init(&ieee->wpax_suitlist_lock); + spin_lock_init(&ieee->bw_spinlock); + spin_lock_init(&ieee->reorder_spinlock); + //added by WB + atomic_set(&(ieee->atm_chnlop), 0); + atomic_set(&(ieee->atm_swbw), 0); + + ieee->wpax_type_set = 0; + ieee->wpa_enabled = 0; + ieee->tkip_countermeasures = 0; + ieee->drop_unencrypted = 0; + ieee->privacy_invoked = 0; + ieee->ieee802_1x = 1; + ieee->raw_tx = 0; + //ieee->hwsec_support = 1; //defalt support hw security. //use module_param instead. + ieee->hwsec_active = 0; //disable hwsec, switch it on when necessary. + + ieee80211_softmac_init(ieee); + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) + ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL); +#else + ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kmalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL); + memset(ieee->pHTInfo,0,sizeof(RT_HIGH_THROUGHPUT)); +#endif + if (ieee->pHTInfo == NULL) + { + IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n"); + return NULL; + } + HTUpdateDefaultSetting(ieee); + HTInitializeHTInfo(ieee); //may move to other place. + TSInitialize(ieee); +#if 0 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) + INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq); +#else + INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq, ieee); +#endif +#endif + for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++) + INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]); + + for (i = 0; i < 17; i++) { + ieee->last_rxseq_num[i] = -1; + ieee->last_rxfrag_num[i] = -1; + ieee->last_packet_time[i] = 0; + } + +//These function were added to load crypte module autoly + ieee80211_tkip_null(); + ieee80211_wep_null(); + ieee80211_ccmp_null(); + + return dev; + + failed: + if (dev) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + free_netdev(dev); +#else + kfree(dev); +#endif + return NULL; +} + + +void free_ieee80211(struct net_device *dev) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + struct ieee80211_device *ieee = netdev_priv(dev); +#else + struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv; +#endif + int i; + //struct list_head *p, *q; +// del_timer_sync(&ieee->SwBwTimer); +#if 1 + if (ieee->pHTInfo != NULL) + { + kfree(ieee->pHTInfo); + ieee->pHTInfo = NULL; + } +#endif + RemoveAllTS(ieee); + ieee80211_softmac_free(ieee); + del_timer_sync(&ieee->crypt_deinit_timer); + ieee80211_crypt_deinit_entries(ieee, 1); + + for (i = 0; i < WEP_KEYS; i++) { + struct ieee80211_crypt_data *crypt = ieee->crypt[i]; + if (crypt) { + if (crypt->ops) { + crypt->ops->deinit(crypt->priv); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) + module_put(crypt->ops->owner); +#else + __MOD_DEC_USE_COUNT(crypt->ops->owner); +#endif + } + kfree(crypt); + ieee->crypt[i] = NULL; + } + } + + ieee80211_networks_free(ieee); +#if 0 + for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++) { + list_for_each_safe(p, q, &ieee->ibss_mac_hash[i]) { + kfree(list_entry(p, struct ieee_ibss_seq, list)); + list_del(p); + } + } + +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + free_netdev(dev); +#else + kfree(dev); +#endif +} + +#ifdef CONFIG_IEEE80211_DEBUG + +u32 ieee80211_debug_level = 0; +static int debug = \ + // IEEE80211_DL_INFO | + // IEEE80211_DL_WX | + // IEEE80211_DL_SCAN | + // IEEE80211_DL_STATE | + // IEEE80211_DL_MGMT | + // IEEE80211_DL_FRAG | + // IEEE80211_DL_EAP | + // IEEE80211_DL_DROP | + // IEEE80211_DL_TX | + // IEEE80211_DL_RX | + //IEEE80211_DL_QOS | + // IEEE80211_DL_HT | + // IEEE80211_DL_TS | +// IEEE80211_DL_BA | + // IEEE80211_DL_REORDER| +// IEEE80211_DL_TRACE | + //IEEE80211_DL_DATA | + IEEE80211_DL_ERR //awayls open this flags to show error out + ; +struct proc_dir_entry *ieee80211_proc = NULL; + +static int show_debug_level(char *page, char **start, off_t offset, + int count, int *eof, void *data) +{ + return snprintf(page, count, "0x%08X\n", ieee80211_debug_level); +} + +static int store_debug_level(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + char buf[] = "0x00000000"; + unsigned long len = min(sizeof(buf) - 1, (u32)count); + char *p = (char *)buf; + unsigned long val; + + if (copy_from_user(buf, buffer, len)) + return count; + buf[len] = 0; + if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { + p++; + if (p[0] == 'x' || p[0] == 'X') + p++; + val = simple_strtoul(p, &p, 16); + } else + val = simple_strtoul(p, &p, 10); + if (p == buf) + printk(KERN_INFO DRV_NAME + ": %s is not in hex or decimal form.\n", buf); + else + ieee80211_debug_level = val; + + return strnlen(buf, count); +} + +static int __init ieee80211_init(void) +{ + struct proc_dir_entry *e; + + ieee80211_debug_level = debug; +#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, proc_net); +#else + ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net); +#endif + if (ieee80211_proc == NULL) { + IEEE80211_ERROR("Unable to create " DRV_NAME + " proc directory\n"); + return -EIO; + } + e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR, + ieee80211_proc); + if (!e) { +#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + remove_proc_entry(DRV_NAME, proc_net); +#else + remove_proc_entry(DRV_NAME, init_net.proc_net); +#endif + ieee80211_proc = NULL; + return -EIO; + } + e->read_proc = show_debug_level; + e->write_proc = store_debug_level; + e->data = NULL; + + return 0; +} + +static void __exit ieee80211_exit(void) +{ + if (ieee80211_proc) { + remove_proc_entry("debug_level", ieee80211_proc); +#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + remove_proc_entry(DRV_NAME, proc_net); +#else + remove_proc_entry(DRV_NAME, init_net.proc_net); +#endif + ieee80211_proc = NULL; + } +} + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +#include <linux/moduleparam.h> +module_param(debug, int, 0444); +MODULE_PARM_DESC(debug, "debug output mask"); + + +module_exit(ieee80211_exit); +module_init(ieee80211_init); +#endif +#endif + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +EXPORT_SYMBOL(alloc_ieee80211); +EXPORT_SYMBOL(free_ieee80211); +#else +EXPORT_SYMBOL_NOVERS(alloc_ieee80211); +EXPORT_SYMBOL_NOVERS(free_ieee80211); +#endif |