/*******************************************************************************
*
* 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.
*
* 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);
static inline int rtllib_networks_allocate(struct rtllib_device *ieee)
{
if (ieee->networks)
return 0;
ieee->networks = kcalloc(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;
pr_debug("rtllib: Initializing...\n");
dev = alloc_etherdev(sizeof(struct rtllib_device) + sizeof_priv);
if (!dev) {
pr_err("Unable to allocate net_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) {
pr_err("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->reorder_spinlock);
atomic_set(&(ieee->atm_swbw), 0);
/* SAM FIXME */
lib80211_crypt_info_init(&ieee->crypt_info, "RTLLIB", &ieee->lock);
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)
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);
static int __init rtllib_init(void)
{
return 0;
}
static void __exit rtllib_exit(void)
{
}
module_init(rtllib_init);
module_exit(rtllib_exit);
MODULE_LICENSE("GPL");
