1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
24 * Contact Information:
25 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
30 #include <net/mac80211.h>
32 #include "iwl-eeprom.h"
37 #include "iwl-helpers.h"
39 int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
42 u8 buff[sizeof(struct iwl_wep_cmd) +
43 sizeof(struct iwl_wep_key) * WEP_KEYS_MAX];
44 struct iwl_wep_cmd *wep_cmd = (struct iwl_wep_cmd *)buff;
45 size_t cmd_size = sizeof(struct iwl_wep_cmd);
46 struct iwl_host_cmd cmd = {
49 .meta.flags = CMD_ASYNC,
52 memset(wep_cmd, 0, cmd_size +
53 (sizeof(struct iwl_wep_key) * WEP_KEYS_MAX));
55 for (i = 0; i < WEP_KEYS_MAX ; i++) {
56 wep_cmd->key[i].key_index = i;
57 if (priv->wep_keys[i].key_size) {
58 wep_cmd->key[i].key_offset = i;
61 wep_cmd->key[i].key_offset = WEP_INVALID_OFFSET;
64 wep_cmd->key[i].key_size = priv->wep_keys[i].key_size;
65 memcpy(&wep_cmd->key[i].key[3], priv->wep_keys[i].key,
66 priv->wep_keys[i].key_size);
69 wep_cmd->global_key_type = WEP_KEY_WEP_TYPE;
70 wep_cmd->num_keys = WEP_KEYS_MAX;
72 cmd_size += sizeof(struct iwl_wep_key) * WEP_KEYS_MAX;
76 if (not_empty || send_if_empty)
77 return iwl_send_cmd(priv, &cmd);
82 int iwl_remove_default_wep_key(struct iwl_priv *priv,
83 struct ieee80211_key_conf *key)
88 spin_lock_irqsave(&priv->sta_lock, flags);
89 priv->default_wep_key--;
90 memset(&priv->wep_keys[key->keyidx], 0, sizeof(priv->wep_keys[0]));
91 ret = iwl_send_static_wepkey_cmd(priv, 1);
92 spin_unlock_irqrestore(&priv->sta_lock, flags);
97 int iwl_set_default_wep_key(struct iwl_priv *priv,
98 struct ieee80211_key_conf *keyconf)
103 keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV;
104 keyconf->hw_key_idx = keyconf->keyidx;
105 priv->stations[IWL_AP_ID].keyinfo.alg = ALG_WEP;
107 spin_lock_irqsave(&priv->sta_lock, flags);
108 priv->default_wep_key++;
110 priv->wep_keys[keyconf->keyidx].key_size = keyconf->keylen;
111 memcpy(&priv->wep_keys[keyconf->keyidx].key, &keyconf->key,
114 ret = iwl_send_static_wepkey_cmd(priv, 0);
115 spin_unlock_irqrestore(&priv->sta_lock, flags);