--- /dev/null
+/*******************************************************************************
+
+ 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");
Code Review / kvmfornfv.git / blobdiff