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authorJohn W. Linville <linville@tuxdriver.com>2008-11-11 16:45:38 -0500
committerJohn W. Linville <linville@tuxdriver.com>2008-11-21 11:08:18 -0500
commitbeb2a7f331361bfe81e71acdb0739eae570475a2 (patch)
treede7ee004296ae3bd5aeb85c19c82d419074f4f29 /net/ieee80211/ieee80211_module.c
parent0795cd29b6fe05107b40080cb1fccadb96320c96 (diff)
net/ieee80211 -> drivers/net/ipw2x00/libipw_* rename
The old ieee80211 code only remains as a support library for the ipw2100 and ipw2200 drivers. So, move the code and rename it appropriately to reflects it's true purpose and status. Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/ieee80211/ieee80211_module.c')
-rw-r--r--net/ieee80211/ieee80211_module.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c
deleted file mode 100644
index a2f5616d5b09..000000000000
--- a/net/ieee80211/ieee80211_module.c
+++ /dev/null
@@ -1,293 +0,0 @@
1/*******************************************************************************
2
3 Copyright(c) 2004-2005 Intel Corporation. All rights reserved.
4
5 Portions of this file are based on the WEP enablement code provided by the
6 Host AP project hostap-drivers v0.1.3
7 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
8 <j@w1.fi>
9 Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
10
11 This program is free software; you can redistribute it and/or modify it
12 under the terms of version 2 of the GNU General Public License as
13 published by the Free Software Foundation.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 more details.
19
20 You should have received a copy of the GNU General Public License along with
21 this program; if not, write to the Free Software Foundation, Inc., 59
22 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23
24 The full GNU General Public License is included in this distribution in the
25 file called LICENSE.
26
27 Contact Information:
28 James P. Ketrenos <ipw2100-admin@linux.intel.com>
29 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30
31*******************************************************************************/
32
33#include <linux/compiler.h>
34#include <linux/errno.h>
35#include <linux/if_arp.h>
36#include <linux/in6.h>
37#include <linux/in.h>
38#include <linux/ip.h>
39#include <linux/kernel.h>
40#include <linux/module.h>
41#include <linux/netdevice.h>
42#include <linux/proc_fs.h>
43#include <linux/skbuff.h>
44#include <linux/slab.h>
45#include <linux/tcp.h>
46#include <linux/types.h>
47#include <linux/wireless.h>
48#include <linux/etherdevice.h>
49#include <asm/uaccess.h>
50#include <net/net_namespace.h>
51#include <net/arp.h>
52
53#include <net/ieee80211.h>
54
55#define DRV_DESCRIPTION "802.11 data/management/control stack"
56#define DRV_NAME "ieee80211"
57#define DRV_VERSION IEEE80211_VERSION
58#define DRV_COPYRIGHT "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>"
59
60MODULE_VERSION(DRV_VERSION);
61MODULE_DESCRIPTION(DRV_DESCRIPTION);
62MODULE_AUTHOR(DRV_COPYRIGHT);
63MODULE_LICENSE("GPL");
64
65static int ieee80211_networks_allocate(struct ieee80211_device *ieee)
66{
67 if (ieee->networks)
68 return 0;
69
70 ieee->networks =
71 kzalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
72 GFP_KERNEL);
73 if (!ieee->networks) {
74 printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
75 ieee->dev->name);
76 return -ENOMEM;
77 }
78
79 return 0;
80}
81
82void ieee80211_network_reset(struct ieee80211_network *network)
83{
84 if (!network)
85 return;
86
87 if (network->ibss_dfs) {
88 kfree(network->ibss_dfs);
89 network->ibss_dfs = NULL;
90 }
91}
92
93static inline void ieee80211_networks_free(struct ieee80211_device *ieee)
94{
95 int i;
96
97 if (!ieee->networks)
98 return;
99
100 for (i = 0; i < MAX_NETWORK_COUNT; i++)
101 if (ieee->networks[i].ibss_dfs)
102 kfree(ieee->networks[i].ibss_dfs);
103
104 kfree(ieee->networks);
105 ieee->networks = NULL;
106}
107
108static void ieee80211_networks_initialize(struct ieee80211_device *ieee)
109{
110 int i;
111
112 INIT_LIST_HEAD(&ieee->network_free_list);
113 INIT_LIST_HEAD(&ieee->network_list);
114 for (i = 0; i < MAX_NETWORK_COUNT; i++)
115 list_add_tail(&ieee->networks[i].list,
116 &ieee->network_free_list);
117}
118
119static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
120{
121 if ((new_mtu < 68) || (new_mtu > IEEE80211_DATA_LEN))
122 return -EINVAL;
123 dev->mtu = new_mtu;
124 return 0;
125}
126
127static struct net_device_stats *ieee80211_generic_get_stats(
128 struct net_device *dev)
129{
130 struct ieee80211_device *ieee = netdev_priv(dev);
131 return &ieee->stats;
132}
133
134struct net_device *alloc_ieee80211(int sizeof_priv)
135{
136 struct ieee80211_device *ieee;
137 struct net_device *dev;
138 int err;
139
140 IEEE80211_DEBUG_INFO("Initializing...\n");
141
142 dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
143 if (!dev) {
144 IEEE80211_ERROR("Unable to allocate network device.\n");
145 goto failed;
146 }
147 ieee = netdev_priv(dev);
148 dev->hard_start_xmit = ieee80211_xmit;
149 dev->change_mtu = ieee80211_change_mtu;
150
151 /* Drivers are free to override this if the generic implementation
152 * does not meet their needs. */
153 dev->get_stats = ieee80211_generic_get_stats;
154
155 ieee->dev = dev;
156
157 err = ieee80211_networks_allocate(ieee);
158 if (err) {
159 IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
160 goto failed_free_netdev;
161 }
162 ieee80211_networks_initialize(ieee);
163
164 /* Default fragmentation threshold is maximum payload size */
165 ieee->fts = DEFAULT_FTS;
166 ieee->rts = DEFAULT_FTS;
167 ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
168 ieee->open_wep = 1;
169
170 /* Default to enabling full open WEP with host based encrypt/decrypt */
171 ieee->host_encrypt = 1;
172 ieee->host_decrypt = 1;
173 ieee->host_mc_decrypt = 1;
174
175 /* Host fragementation in Open mode. Default is enabled.
176 * Note: host fragmentation is always enabled if host encryption
177 * is enabled. For cards can do hardware encryption, they must do
178 * hardware fragmentation as well. So we don't need a variable
179 * like host_enc_frag. */
180 ieee->host_open_frag = 1;
181 ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
182
183 spin_lock_init(&ieee->lock);
184
185 lib80211_crypt_info_init(&ieee->crypt_info, dev->name, &ieee->lock);
186
187 ieee->wpa_enabled = 0;
188 ieee->drop_unencrypted = 0;
189 ieee->privacy_invoked = 0;
190
191 return dev;
192
193failed_free_netdev:
194 free_netdev(dev);
195failed:
196 return NULL;
197}
198
199void free_ieee80211(struct net_device *dev)
200{
201 struct ieee80211_device *ieee = netdev_priv(dev);
202
203 lib80211_crypt_info_free(&ieee->crypt_info);
204
205 ieee80211_networks_free(ieee);
206 free_netdev(dev);
207}
208
209#ifdef CONFIG_IEEE80211_DEBUG
210
211static int debug = 0;
212u32 ieee80211_debug_level = 0;
213EXPORT_SYMBOL_GPL(ieee80211_debug_level);
214static struct proc_dir_entry *ieee80211_proc = NULL;
215
216static int show_debug_level(char *page, char **start, off_t offset,
217 int count, int *eof, void *data)
218{
219 return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
220}
221
222static int store_debug_level(struct file *file, const char __user * buffer,
223 unsigned long count, void *data)
224{
225 char buf[] = "0x00000000\n";
226 unsigned long len = min((unsigned long)sizeof(buf) - 1, count);
227 unsigned long val;
228
229 if (copy_from_user(buf, buffer, len))
230 return count;
231 buf[len] = 0;
232 if (sscanf(buf, "%li", &val) != 1)
233 printk(KERN_INFO DRV_NAME
234 ": %s is not in hex or decimal form.\n", buf);
235 else
236 ieee80211_debug_level = val;
237
238 return strnlen(buf, len);
239}
240#endif /* CONFIG_IEEE80211_DEBUG */
241
242static int __init ieee80211_init(void)
243{
244#ifdef CONFIG_IEEE80211_DEBUG
245 struct proc_dir_entry *e;
246
247 ieee80211_debug_level = debug;
248 ieee80211_proc = proc_mkdir(DRV_NAME, init_net.proc_net);
249 if (ieee80211_proc == NULL) {
250 IEEE80211_ERROR("Unable to create " DRV_NAME
251 " proc directory\n");
252 return -EIO;
253 }
254 e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
255 ieee80211_proc);
256 if (!e) {
257 remove_proc_entry(DRV_NAME, init_net.proc_net);
258 ieee80211_proc = NULL;
259 return -EIO;
260 }
261 e->read_proc = show_debug_level;
262 e->write_proc = store_debug_level;
263 e->data = NULL;
264#endif /* CONFIG_IEEE80211_DEBUG */
265
266 printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
267 printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
268
269 return 0;
270}
271
272static void __exit ieee80211_exit(void)
273{
274#ifdef CONFIG_IEEE80211_DEBUG
275 if (ieee80211_proc) {
276 remove_proc_entry("debug_level", ieee80211_proc);
277 remove_proc_entry(DRV_NAME, init_net.proc_net);
278 ieee80211_proc = NULL;
279 }
280#endif /* CONFIG_IEEE80211_DEBUG */
281}
282
283#ifdef CONFIG_IEEE80211_DEBUG
284#include <linux/moduleparam.h>
285module_param(debug, int, 0444);
286MODULE_PARM_DESC(debug, "debug output mask");
287#endif /* CONFIG_IEEE80211_DEBUG */
288
289module_exit(ieee80211_exit);
290module_init(ieee80211_init);
291
292EXPORT_SYMBOL(alloc_ieee80211);
293EXPORT_SYMBOL(free_ieee80211);