Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
James Ketrenos | ebeaddc | 2005-09-21 11:58:43 -0500 | [diff] [blame] | 3 | Copyright(c) 2004-2005 Intel Corporation. All rights reserved. |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 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 |
Jouni Malinen | 85d32e7 | 2007-03-24 17:15:30 -0700 | [diff] [blame] | 8 | <j@w1.fi> |
| 9 | Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 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: |
Reinette Chatre | c1eb2c8 | 2009-08-21 13:34:26 -0700 | [diff] [blame] | 28 | Intel Linux Wireless <ilw@linux.intel.com> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 29 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 30 | |
| 31 | *******************************************************************************/ |
| 32 | |
| 33 | #include <linux/compiler.h> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 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> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 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> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 47 | #include <linux/wireless.h> |
| 48 | #include <linux/etherdevice.h> |
| 49 | #include <asm/uaccess.h> |
Eric W. Biederman | 457c4cb | 2007-09-12 12:01:34 +0200 | [diff] [blame] | 50 | #include <net/net_namespace.h> |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 51 | #include <net/arp.h> |
| 52 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 53 | #include "libipw.h" |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 54 | |
James Ketrenos | 3169616 | 2005-09-21 11:58:46 -0500 | [diff] [blame] | 55 | #define DRV_DESCRIPTION "802.11 data/management/control stack" |
Pavel Roskin | 27ae60f | 2010-03-12 00:01:22 -0500 | [diff] [blame] | 56 | #define DRV_NAME "libipw" |
Linus Torvalds | 151f52f | 2010-11-05 18:57:04 -0700 | [diff] [blame] | 57 | #define DRV_PROCNAME "ieee80211" |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 58 | #define DRV_VERSION LIBIPW_VERSION |
James Ketrenos | 3169616 | 2005-09-21 11:58:46 -0500 | [diff] [blame] | 59 | #define DRV_COPYRIGHT "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>" |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 60 | |
James Ketrenos | 3169616 | 2005-09-21 11:58:46 -0500 | [diff] [blame] | 61 | MODULE_VERSION(DRV_VERSION); |
| 62 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 63 | MODULE_AUTHOR(DRV_COPYRIGHT); |
| 64 | MODULE_LICENSE("GPL"); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 65 | |
John W. Linville | cc40cc5 | 2010-07-20 14:14:03 -0400 | [diff] [blame] | 66 | static struct cfg80211_ops libipw_config_ops = { }; |
| 67 | static void *libipw_wiphy_privid = &libipw_wiphy_privid; |
John W. Linville | a3caa99 | 2009-08-25 14:12:25 -0400 | [diff] [blame] | 68 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 69 | static int libipw_networks_allocate(struct libipw_device *ieee) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 70 | { |
Zhu Yi | 8e59340 | 2010-03-08 13:18:03 +0800 | [diff] [blame] | 71 | int i, j; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 72 | |
Zhu Yi | 8e59340 | 2010-03-08 13:18:03 +0800 | [diff] [blame] | 73 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
| 74 | ieee->networks[i] = kzalloc(sizeof(struct libipw_network), |
| 75 | GFP_KERNEL); |
| 76 | if (!ieee->networks[i]) { |
| 77 | LIBIPW_ERROR("Out of memory allocating beacons\n"); |
| 78 | for (j = 0; j < i; j++) |
| 79 | kfree(ieee->networks[j]); |
| 80 | return -ENOMEM; |
| 81 | } |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 82 | } |
| 83 | |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 84 | return 0; |
| 85 | } |
| 86 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 87 | void libipw_network_reset(struct libipw_network *network) |
Zhu Yi | 15f3859 | 2006-01-19 16:21:35 +0800 | [diff] [blame] | 88 | { |
| 89 | if (!network) |
| 90 | return; |
| 91 | |
| 92 | if (network->ibss_dfs) { |
| 93 | kfree(network->ibss_dfs); |
| 94 | network->ibss_dfs = NULL; |
| 95 | } |
| 96 | } |
| 97 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 98 | static inline void libipw_networks_free(struct libipw_device *ieee) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 99 | { |
Zhu Yi | 15f3859 | 2006-01-19 16:21:35 +0800 | [diff] [blame] | 100 | int i; |
| 101 | |
Zhu Yi | 8e59340 | 2010-03-08 13:18:03 +0800 | [diff] [blame] | 102 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
Fabian Frederick | f528f66 | 2014-06-28 14:18:52 +0200 | [diff] [blame] | 103 | kfree(ieee->networks[i]->ibss_dfs); |
Zhu Yi | 8e59340 | 2010-03-08 13:18:03 +0800 | [diff] [blame] | 104 | kfree(ieee->networks[i]); |
| 105 | } |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 106 | } |
| 107 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 108 | void libipw_networks_age(struct libipw_device *ieee, |
Dan Williams | c3d72b9 | 2009-02-11 13:26:06 -0500 | [diff] [blame] | 109 | unsigned long age_secs) |
| 110 | { |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 111 | struct libipw_network *network = NULL; |
Dan Williams | c3d72b9 | 2009-02-11 13:26:06 -0500 | [diff] [blame] | 112 | unsigned long flags; |
| 113 | unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC); |
| 114 | |
| 115 | spin_lock_irqsave(&ieee->lock, flags); |
| 116 | list_for_each_entry(network, &ieee->network_list, list) { |
| 117 | network->last_scanned -= age_jiffies; |
| 118 | } |
| 119 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 120 | } |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 121 | EXPORT_SYMBOL(libipw_networks_age); |
Dan Williams | c3d72b9 | 2009-02-11 13:26:06 -0500 | [diff] [blame] | 122 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 123 | static void libipw_networks_initialize(struct libipw_device *ieee) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 124 | { |
| 125 | int i; |
| 126 | |
| 127 | INIT_LIST_HEAD(&ieee->network_free_list); |
| 128 | INIT_LIST_HEAD(&ieee->network_list); |
| 129 | for (i = 0; i < MAX_NETWORK_COUNT; i++) |
Zhu Yi | 8e59340 | 2010-03-08 13:18:03 +0800 | [diff] [blame] | 130 | list_add_tail(&ieee->networks[i]->list, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 131 | &ieee->network_free_list); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 132 | } |
| 133 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 134 | int libipw_change_mtu(struct net_device *dev, int new_mtu) |
matthieu castet | 42a4cf9 | 2006-09-28 19:57:25 +0200 | [diff] [blame] | 135 | { |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 136 | if ((new_mtu < 68) || (new_mtu > LIBIPW_DATA_LEN)) |
matthieu castet | 42a4cf9 | 2006-09-28 19:57:25 +0200 | [diff] [blame] | 137 | return -EINVAL; |
| 138 | dev->mtu = new_mtu; |
| 139 | return 0; |
| 140 | } |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 141 | EXPORT_SYMBOL(libipw_change_mtu); |
matthieu castet | 42a4cf9 | 2006-09-28 19:57:25 +0200 | [diff] [blame] | 142 | |
Pavel Roskin | 27ae60f | 2010-03-12 00:01:22 -0500 | [diff] [blame] | 143 | struct net_device *alloc_libipw(int sizeof_priv, int monitor) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 144 | { |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 145 | struct libipw_device *ieee; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 146 | struct net_device *dev; |
| 147 | int err; |
| 148 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 149 | LIBIPW_DEBUG_INFO("Initializing...\n"); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 150 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 151 | dev = alloc_etherdev(sizeof(struct libipw_device) + sizeof_priv); |
Joe Perches | 41de8d4 | 2012-01-29 13:47:52 +0000 | [diff] [blame] | 152 | if (!dev) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 153 | goto failed; |
Joe Perches | 41de8d4 | 2012-01-29 13:47:52 +0000 | [diff] [blame] | 154 | |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 155 | ieee = netdev_priv(dev); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 156 | |
| 157 | ieee->dev = dev; |
| 158 | |
John W. Linville | a3caa99 | 2009-08-25 14:12:25 -0400 | [diff] [blame] | 159 | if (!monitor) { |
| 160 | ieee->wdev.wiphy = wiphy_new(&libipw_config_ops, 0); |
| 161 | if (!ieee->wdev.wiphy) { |
| 162 | LIBIPW_ERROR("Unable to allocate wiphy.\n"); |
| 163 | goto failed_free_netdev; |
| 164 | } |
| 165 | |
| 166 | ieee->dev->ieee80211_ptr = &ieee->wdev; |
| 167 | ieee->wdev.iftype = NL80211_IFTYPE_STATION; |
| 168 | |
| 169 | /* Fill-out wiphy structure bits we know... Not enough info |
| 170 | here to call set_wiphy_dev or set MAC address or channel info |
| 171 | -- have to do that in ->ndo_init... */ |
| 172 | ieee->wdev.wiphy->privid = libipw_wiphy_privid; |
| 173 | |
| 174 | ieee->wdev.wiphy->max_scan_ssids = 1; |
| 175 | ieee->wdev.wiphy->max_scan_ie_len = 0; |
| 176 | ieee->wdev.wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
| 177 | | BIT(NL80211_IFTYPE_ADHOC); |
| 178 | } |
| 179 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 180 | err = libipw_networks_allocate(ieee); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 181 | if (err) { |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 182 | LIBIPW_ERROR("Unable to allocate beacon storage: %d\n", err); |
John W. Linville | a3caa99 | 2009-08-25 14:12:25 -0400 | [diff] [blame] | 183 | goto failed_free_wiphy; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 184 | } |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 185 | libipw_networks_initialize(ieee); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 186 | |
| 187 | /* Default fragmentation threshold is maximum payload size */ |
| 188 | ieee->fts = DEFAULT_FTS; |
James Ketrenos | 3cdd00c | 2005-09-21 11:54:43 -0500 | [diff] [blame] | 189 | ieee->rts = DEFAULT_FTS; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 190 | ieee->scan_age = DEFAULT_MAX_SCAN_AGE; |
| 191 | ieee->open_wep = 1; |
| 192 | |
| 193 | /* Default to enabling full open WEP with host based encrypt/decrypt */ |
| 194 | ieee->host_encrypt = 1; |
| 195 | ieee->host_decrypt = 1; |
James Ketrenos | ccd0fda | 2005-09-21 11:58:32 -0500 | [diff] [blame] | 196 | ieee->host_mc_decrypt = 1; |
| 197 | |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 198 | /* Host fragmentation in Open mode. Default is enabled. |
James Ketrenos | 1264fc0 | 2005-09-21 11:54:53 -0500 | [diff] [blame] | 199 | * Note: host fragmentation is always enabled if host encryption |
| 200 | * is enabled. For cards can do hardware encryption, they must do |
| 201 | * hardware fragmentation as well. So we don't need a variable |
| 202 | * like host_enc_frag. */ |
| 203 | ieee->host_open_frag = 1; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 204 | ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 205 | |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 206 | spin_lock_init(&ieee->lock); |
| 207 | |
John W. Linville | 2ba4b32 | 2008-11-11 16:00:06 -0500 | [diff] [blame] | 208 | lib80211_crypt_info_init(&ieee->crypt_info, dev->name, &ieee->lock); |
John W. Linville | 274bfb8 | 2008-10-29 11:35:05 -0400 | [diff] [blame] | 209 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 210 | ieee->wpa_enabled = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 211 | ieee->drop_unencrypted = 0; |
| 212 | ieee->privacy_invoked = 0; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 213 | |
| 214 | return dev; |
| 215 | |
John W. Linville | a3caa99 | 2009-08-25 14:12:25 -0400 | [diff] [blame] | 216 | failed_free_wiphy: |
| 217 | if (!monitor) |
| 218 | wiphy_free(ieee->wdev.wiphy); |
Julia Lawall | d92a8e8 | 2008-07-16 16:34:54 +0200 | [diff] [blame] | 219 | failed_free_netdev: |
| 220 | free_netdev(dev); |
| 221 | failed: |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 222 | return NULL; |
| 223 | } |
Pavel Roskin | 27ae60f | 2010-03-12 00:01:22 -0500 | [diff] [blame] | 224 | EXPORT_SYMBOL(alloc_libipw); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 225 | |
Pavel Roskin | 27ae60f | 2010-03-12 00:01:22 -0500 | [diff] [blame] | 226 | void free_libipw(struct net_device *dev, int monitor) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 227 | { |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 228 | struct libipw_device *ieee = netdev_priv(dev); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 229 | |
John W. Linville | 2ba4b32 | 2008-11-11 16:00:06 -0500 | [diff] [blame] | 230 | lib80211_crypt_info_free(&ieee->crypt_info); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 231 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 232 | libipw_networks_free(ieee); |
John W. Linville | a3caa99 | 2009-08-25 14:12:25 -0400 | [diff] [blame] | 233 | |
| 234 | /* free cfg80211 resources */ |
| 235 | if (!monitor) |
| 236 | wiphy_free(ieee->wdev.wiphy); |
| 237 | |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 238 | free_netdev(dev); |
| 239 | } |
Pavel Roskin | 27ae60f | 2010-03-12 00:01:22 -0500 | [diff] [blame] | 240 | EXPORT_SYMBOL(free_libipw); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 241 | |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 242 | #ifdef CONFIG_LIBIPW_DEBUG |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 243 | |
| 244 | static int debug = 0; |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 245 | u32 libipw_debug_level = 0; |
| 246 | EXPORT_SYMBOL_GPL(libipw_debug_level); |
| 247 | static struct proc_dir_entry *libipw_proc = NULL; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 248 | |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 249 | static int debug_level_proc_show(struct seq_file *m, void *v) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 250 | { |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 251 | seq_printf(m, "0x%08X\n", libipw_debug_level); |
| 252 | return 0; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 253 | } |
| 254 | |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 255 | static int debug_level_proc_open(struct inode *inode, struct file *file) |
| 256 | { |
| 257 | return single_open(file, debug_level_proc_show, NULL); |
| 258 | } |
| 259 | |
| 260 | static ssize_t debug_level_proc_write(struct file *file, |
| 261 | const char __user *buffer, size_t count, loff_t *pos) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 262 | { |
James Ketrenos | 262d8e4 | 2005-09-13 17:42:53 -0500 | [diff] [blame] | 263 | char buf[] = "0x00000000\n"; |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 264 | size_t len = min(sizeof(buf) - 1, count); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 265 | unsigned long val; |
| 266 | |
James Ketrenos | 262d8e4 | 2005-09-13 17:42:53 -0500 | [diff] [blame] | 267 | if (copy_from_user(buf, buffer, len)) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 268 | return count; |
James Ketrenos | 262d8e4 | 2005-09-13 17:42:53 -0500 | [diff] [blame] | 269 | buf[len] = 0; |
| 270 | if (sscanf(buf, "%li", &val) != 1) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 271 | printk(KERN_INFO DRV_NAME |
| 272 | ": %s is not in hex or decimal form.\n", buf); |
| 273 | else |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 274 | libipw_debug_level = val; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 275 | |
James Ketrenos | 262d8e4 | 2005-09-13 17:42:53 -0500 | [diff] [blame] | 276 | return strnlen(buf, len); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 277 | } |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 278 | |
| 279 | static const struct file_operations debug_level_proc_fops = { |
| 280 | .owner = THIS_MODULE, |
| 281 | .open = debug_level_proc_open, |
| 282 | .read = seq_read, |
| 283 | .llseek = seq_lseek, |
| 284 | .release = single_release, |
| 285 | .write = debug_level_proc_write, |
| 286 | }; |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 287 | #endif /* CONFIG_LIBIPW_DEBUG */ |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 288 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 289 | static int __init libipw_init(void) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 290 | { |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 291 | #ifdef CONFIG_LIBIPW_DEBUG |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 292 | struct proc_dir_entry *e; |
| 293 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 294 | libipw_debug_level = debug; |
Linus Torvalds | 151f52f | 2010-11-05 18:57:04 -0700 | [diff] [blame] | 295 | libipw_proc = proc_mkdir(DRV_PROCNAME, init_net.proc_net); |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 296 | if (libipw_proc == NULL) { |
Linus Torvalds | 151f52f | 2010-11-05 18:57:04 -0700 | [diff] [blame] | 297 | LIBIPW_ERROR("Unable to create " DRV_PROCNAME |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 298 | " proc directory\n"); |
| 299 | return -EIO; |
| 300 | } |
Alexey Dobriyan | b8d8339 | 2009-11-25 10:14:12 +0300 | [diff] [blame] | 301 | e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc, |
| 302 | &debug_level_proc_fops); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 303 | if (!e) { |
Linus Torvalds | 151f52f | 2010-11-05 18:57:04 -0700 | [diff] [blame] | 304 | remove_proc_entry(DRV_PROCNAME, init_net.proc_net); |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 305 | libipw_proc = NULL; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 306 | return -EIO; |
| 307 | } |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 308 | #endif /* CONFIG_LIBIPW_DEBUG */ |
James Ketrenos | 3169616 | 2005-09-21 11:58:46 -0500 | [diff] [blame] | 309 | |
| 310 | printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 311 | printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n"); |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 312 | |
| 313 | return 0; |
| 314 | } |
| 315 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 316 | static void __exit libipw_exit(void) |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 317 | { |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 318 | #ifdef CONFIG_LIBIPW_DEBUG |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 319 | if (libipw_proc) { |
| 320 | remove_proc_entry("debug_level", libipw_proc); |
Linus Torvalds | 151f52f | 2010-11-05 18:57:04 -0700 | [diff] [blame] | 321 | remove_proc_entry(DRV_PROCNAME, init_net.proc_net); |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 322 | libipw_proc = NULL; |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 323 | } |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 324 | #endif /* CONFIG_LIBIPW_DEBUG */ |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 325 | } |
| 326 | |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 327 | #ifdef CONFIG_LIBIPW_DEBUG |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 328 | #include <linux/moduleparam.h> |
| 329 | module_param(debug, int, 0444); |
| 330 | MODULE_PARM_DESC(debug, "debug output mask"); |
Helmut Schaa | 3756162 | 2009-03-06 12:02:25 +0100 | [diff] [blame] | 331 | #endif /* CONFIG_LIBIPW_DEBUG */ |
Jeff Garzik | b453872 | 2005-05-12 22:48:20 -0400 | [diff] [blame] | 332 | |
John W. Linville | b0a4e7d | 2009-08-20 14:48:03 -0400 | [diff] [blame] | 333 | module_exit(libipw_exit); |
| 334 | module_init(libipw_init); |