diff options
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_module.c')
| -rw-r--r-- | drivers/staging/rtl8192e/rtllib_module.c | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c new file mode 100644 index 000000000..32cc8df9d --- /dev/null +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -0,0 +1,268 @@ +/******************************************************************************* + + 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/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/wireless.h> +#include <linux/etherdevice.h> +#include <linux/uaccess.h> +#include <net/arp.h> + +#include "rtllib.h" + + +u32 rt_global_debug_component = COMP_ERR; +EXPORT_SYMBOL(rt_global_debug_component); + + +void _setup_timer(struct timer_list *ptimer, void *fun, unsigned long data) +{ + ptimer->function = fun; + ptimer->data = data; + init_timer(ptimer); +} + +static inline int rtllib_networks_allocate(struct rtllib_device *ieee) +{ + if (ieee->networks) + return 0; + + ieee->networks = kzalloc( + MAX_NETWORK_COUNT * sizeof(struct rtllib_network), + GFP_KERNEL); + if (!ieee->networks) + return -ENOMEM; + + return 0; +} + +static inline void rtllib_networks_free(struct rtllib_device *ieee) +{ + if (!ieee->networks) + return; + kfree(ieee->networks); + ieee->networks = NULL; +} + +static inline void rtllib_networks_initialize(struct rtllib_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_rtllib(int sizeof_priv) +{ + struct rtllib_device *ieee = NULL; + struct net_device *dev; + int i, err; + + RTLLIB_DEBUG_INFO("Initializing...\n"); + + dev = alloc_etherdev(sizeof(struct rtllib_device) + sizeof_priv); + if (!dev) { + RTLLIB_ERROR("Unable to network device.\n"); + return NULL; + } + ieee = (struct rtllib_device *)netdev_priv_rsl(dev); + memset(ieee, 0, sizeof(struct rtllib_device)+sizeof_priv); + ieee->dev = dev; + + err = rtllib_networks_allocate(ieee); + if (err) { + RTLLIB_ERROR("Unable to allocate beacon storage: %d\n", + err); + goto failed; + } + rtllib_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 */ + + ieee->rtllib_ap_sec_type = rtllib_ap_sec_type; + + spin_lock_init(&ieee->lock); + spin_lock_init(&ieee->wpax_suitlist_lock); + spin_lock_init(&ieee->bw_spinlock); + spin_lock_init(&ieee->reorder_spinlock); + atomic_set(&(ieee->atm_chnlop), 0); + atomic_set(&(ieee->atm_swbw), 0); + + /* SAM FIXME */ + lib80211_crypt_info_init(&ieee->crypt_info, "RTLLIB", &ieee->lock); + + ieee->bHalfNMode = false; + 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_active = 0; + + memset(ieee->swcamtable, 0, sizeof(struct sw_cam_table) * 32); + rtllib_softmac_init(ieee); + + ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL); + if (ieee->pHTInfo == NULL) + return NULL; + + HTUpdateDefaultSetting(ieee); + HTInitializeHTInfo(ieee); + TSInitialize(ieee); + 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; + } + + return dev; + + failed: + free_netdev(dev); + return NULL; +} +EXPORT_SYMBOL(alloc_rtllib); + +void free_rtllib(struct net_device *dev) +{ + struct rtllib_device *ieee = (struct rtllib_device *) + netdev_priv_rsl(dev); + + kfree(ieee->pHTInfo); + ieee->pHTInfo = NULL; + rtllib_softmac_free(ieee); + + lib80211_crypt_info_free(&ieee->crypt_info); + + rtllib_networks_free(ieee); + free_netdev(dev); +} +EXPORT_SYMBOL(free_rtllib); + +u32 rtllib_debug_level; +static int debug = RTLLIB_DL_ERR; +static struct proc_dir_entry *rtllib_proc; + +static int show_debug_level(struct seq_file *m, void *v) +{ + seq_printf(m, "0x%08X\n", rtllib_debug_level); + + return 0; +} + +static ssize_t write_debug_level(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) +{ + unsigned long val; + int err = kstrtoul_from_user(buffer, count, 0, &val); + + if (err) + return err; + rtllib_debug_level = val; + return count; +} + +static int open_debug_level(struct inode *inode, struct file *file) +{ + return single_open(file, show_debug_level, NULL); +} + +static const struct file_operations fops = { + .open = open_debug_level, + .read = seq_read, + .llseek = seq_lseek, + .write = write_debug_level, + .release = single_release, +}; + +static int __init rtllib_init(void) +{ + struct proc_dir_entry *e; + + rtllib_debug_level = debug; + rtllib_proc = proc_mkdir(DRV_NAME, init_net.proc_net); + if (rtllib_proc == NULL) { + RTLLIB_ERROR("Unable to create " DRV_NAME + " proc directory\n"); + return -EIO; + } + e = proc_create("debug_level", S_IRUGO | S_IWUSR, rtllib_proc, &fops); + if (!e) { + remove_proc_entry(DRV_NAME, init_net.proc_net); + rtllib_proc = NULL; + return -EIO; + } + return 0; +} + +static void __exit rtllib_exit(void) +{ + if (rtllib_proc) { + remove_proc_entry("debug_level", rtllib_proc); + remove_proc_entry(DRV_NAME, init_net.proc_net); + rtllib_proc = NULL; + } +} + +module_init(rtllib_init); +module_exit(rtllib_exit); + +MODULE_LICENSE("GPL"); |