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Viewing changes to updates/wireless/iwlwifi/mac80211/origin/net/mac80211/debugfs_key.c

  • Committer: Bazaar Package Importer
  • Author(s): , Ben Collins
  • Date: 2008-04-02 06:59:04 UTC
  • Revision ID: james.westby@ubuntu.com-20080402065904-e5knh2gn2hms3xbb
Tags: 2.6.24-14.11
https://launchpad.net/bugs/200950
https://launchpad.net/bugs/176090
[Ben Collins]

* iwlwifi: Update to iwlwifi-1.2.25 and mac80211-10.0.4
  - LP: #200950
* ubuntu: Slight cleanups to module hiearchy and Makefiles
* mac80211: Enable LED triggers
* iwlwifi: Add LED trigger support (rx and tx only)
  - LP: #176090

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updates/wireless/iwlwifi/mac80211/origin/net/mac80211/debugfs_key.c
 
1
/*
 
2
 * Copyright 2003-2005  Devicescape Software, Inc.
 
3
 * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
 
4
 * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
 
5
 *
 
6
 * This program is free software; you can redistribute it and/or modify
 
7
 * it under the terms of the GNU General Public License version 2 as
 
8
 * published by the Free Software Foundation.
 
9
 */
 
10
 
 
11
#include <linux/kobject.h>
 
12
#include "ieee80211_i.h"
 
13
#include "ieee80211_key.h"
 
14
#include "debugfs.h"
 
15
#include "debugfs_key.h"
 
16
 
 
17
#define KEY_READ(name, buflen, format_string)                           \
 
18
static ssize_t key_##name##_read(struct file *file,                     \
 
19
                                 char __user *userbuf,                  \
 
20
                                 size_t count, loff_t *ppos)            \
 
21
{                                                                       \
 
22
        char buf[buflen];                                               \
 
23
        struct ieee80211_key *key = file->private_data;                 \
 
24
        int res = scnprintf(buf, buflen, format_string, key->name);     \
 
25
        return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
 
26
}
 
27
#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n")
 
28
 
 
29
#define KEY_OPS(name)                                                   \
 
30
static const struct file_operations key_ ##name## _ops = {              \
 
31
        .read = key_##name##_read,                                      \
 
32
        .open = mac80211_open_file_generic,                             \
 
33
}
 
34
 
 
35
#define KEY_FILE(name, format)                                          \
 
36
                 KEY_READ_##format(name)                                \
 
37
                 KEY_OPS(name)
 
38
 
 
39
KEY_FILE(keylen, D);
 
40
KEY_FILE(force_sw_encrypt, D);
 
41
KEY_FILE(keyidx, D);
 
42
KEY_FILE(hw_key_idx, D);
 
43
KEY_FILE(tx_rx_count, D);
 
44
 
 
45
static ssize_t key_algorithm_read(struct file *file,
 
46
                                  char __user *userbuf,
 
47
                                  size_t count, loff_t *ppos)
 
48
{
 
49
        char *alg;
 
50
        struct ieee80211_key *key = file->private_data;
 
51
 
 
52
        switch (key->alg) {
 
53
        case ALG_WEP:
 
54
                alg = "WEP\n";
 
55
                break;
 
56
        case ALG_TKIP:
 
57
                alg = "TKIP\n";
 
58
                break;
 
59
        case ALG_CCMP:
 
60
                alg = "CCMP\n";
 
61
                break;
 
62
        default:
 
63
                return 0;
 
64
        }
 
65
        return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
 
66
}
 
67
KEY_OPS(algorithm);
 
68
 
 
69
static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
 
70
                                size_t count, loff_t *ppos)
 
71
{
 
72
        const u8 *tpn;
 
73
        char buf[20];
 
74
        int len;
 
75
        struct ieee80211_key *key = file->private_data;
 
76
 
 
77
        switch (key->alg) {
 
78
        case ALG_WEP:
 
79
                len = scnprintf(buf, sizeof(buf), "\n");
 
80
        case ALG_TKIP:
 
81
                len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
 
82
                                key->u.tkip.iv32,
 
83
                                key->u.tkip.iv16);
 
84
        case ALG_CCMP:
 
85
                tpn = key->u.ccmp.tx_pn;
 
86
                len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
 
87
                                tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
 
88
        default:
 
89
                return 0;
 
90
        }
 
91
        return simple_read_from_buffer(userbuf, count, ppos, buf, len);
 
92
}
 
93
KEY_OPS(tx_spec);
 
94
 
 
95
static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 
96
                                size_t count, loff_t *ppos)
 
97
{
 
98
        struct ieee80211_key *key = file->private_data;
 
99
        char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
 
100
        int i, len;
 
101
        const u8 *rpn;
 
102
 
 
103
        switch (key->alg) {
 
104
        case ALG_WEP:
 
105
                len = scnprintf(buf, sizeof(buf), "\n");
 
106
        case ALG_TKIP:
 
107
                for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 
108
                        p += scnprintf(p, sizeof(buf)+buf-p,
 
109
                                       "%08x %04x\n",
 
110
                                       key->u.tkip.iv32_rx[i],
 
111
                                       key->u.tkip.iv16_rx[i]);
 
112
                len = p - buf;
 
113
        case ALG_CCMP:
 
114
                for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
 
115
                        rpn = key->u.ccmp.rx_pn[i];
 
116
                        p += scnprintf(p, sizeof(buf)+buf-p,
 
117
                                       "%02x%02x%02x%02x%02x%02x\n",
 
118
                                       rpn[0], rpn[1], rpn[2],
 
119
                                       rpn[3], rpn[4], rpn[5]);
 
120
                }
 
121
                len = p - buf;
 
122
        default:
 
123
                return 0;
 
124
        }
 
125
        return simple_read_from_buffer(userbuf, count, ppos, buf, len);
 
126
}
 
127
KEY_OPS(rx_spec);
 
128
 
 
129
static ssize_t key_replays_read(struct file *file, char __user *userbuf,
 
130
                                size_t count, loff_t *ppos)
 
131
{
 
132
        struct ieee80211_key *key = file->private_data;
 
133
        char buf[20];
 
134
        int len;
 
135
 
 
136
        if (key->alg != ALG_CCMP)
 
137
                return 0;
 
138
        len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
 
139
        return simple_read_from_buffer(userbuf, count, ppos, buf, len);
 
140
}
 
141
KEY_OPS(replays);
 
142
 
 
143
static ssize_t key_key_read(struct file *file, char __user *userbuf,
 
144
                            size_t count, loff_t *ppos)
 
145
{
 
146
        struct ieee80211_key *key = file->private_data;
 
147
        int i, res, bufsize = 2*key->keylen+2;
 
148
        char *buf = kmalloc(bufsize, GFP_KERNEL);
 
149
        char *p = buf;
 
150
 
 
151
        for (i = 0; i < key->keylen; i++)
 
152
                p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]);
 
153
        p += scnprintf(p, bufsize+buf-p, "\n");
 
154
        res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 
155
        kfree(buf);
 
156
        return res;
 
157
}
 
158
KEY_OPS(key);
 
159
 
 
160
#define DEBUGFS_ADD(name) \
 
161
        key->debugfs.name = debugfs_create_file(#name, 0400,\
 
162
                                key->debugfs.dir, key, &key_##name##_ops);
 
163
 
 
164
void ieee80211_debugfs_key_add(struct ieee80211_local *local,
 
165
                               struct ieee80211_key *key)
 
166
{
 
167
        char buf[20];
 
168
 
 
169
        if (!local->debugfs.keys)
 
170
                return;
 
171
 
 
172
        sprintf(buf, "%d", key->keyidx);
 
173
        key->debugfs.dir = debugfs_create_dir(buf,
 
174
                                        local->debugfs.keys);
 
175
 
 
176
        if (!key->debugfs.dir)
 
177
                return;
 
178
 
 
179
        DEBUGFS_ADD(keylen);
 
180
        DEBUGFS_ADD(force_sw_encrypt);
 
181
        DEBUGFS_ADD(keyidx);
 
182
        DEBUGFS_ADD(hw_key_idx);
 
183
        DEBUGFS_ADD(tx_rx_count);
 
184
        DEBUGFS_ADD(algorithm);
 
185
        DEBUGFS_ADD(tx_spec);
 
186
        DEBUGFS_ADD(rx_spec);
 
187
        DEBUGFS_ADD(replays);
 
188
        DEBUGFS_ADD(key);
 
189
};
 
190
 
 
191
#define DEBUGFS_DEL(name) \
 
192
        debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
 
193
 
 
194
void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 
195
{
 
196
        if (!key)
 
197
                return;
 
198
 
 
199
        DEBUGFS_DEL(keylen);
 
200
        DEBUGFS_DEL(force_sw_encrypt);
 
201
        DEBUGFS_DEL(keyidx);
 
202
        DEBUGFS_DEL(hw_key_idx);
 
203
        DEBUGFS_DEL(tx_rx_count);
 
204
        DEBUGFS_DEL(algorithm);
 
205
        DEBUGFS_DEL(tx_spec);
 
206
        DEBUGFS_DEL(rx_spec);
 
207
        DEBUGFS_DEL(replays);
 
208
        DEBUGFS_DEL(key);
 
209
 
 
210
        debugfs_remove(key->debugfs.stalink);
 
211
        key->debugfs.stalink = NULL;
 
212
        debugfs_remove(key->debugfs.dir);
 
213
        key->debugfs.dir = NULL;
 
214
}
 
215
void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 
216
{
 
217
        char buf[50];
 
218
 
 
219
        if (!sdata->debugfsdir)
 
220
                return;
 
221
 
 
222
        sprintf(buf, "../keys/%d", sdata->default_key->keyidx);
 
223
        sdata->debugfs.default_key =
 
224
                debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
 
225
}
 
226
void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 
227
{
 
228
        if (!sdata)
 
229
                return;
 
230
 
 
231
        debugfs_remove(sdata->debugfs.default_key);
 
232
        sdata->debugfs.default_key = NULL;
 
233
}
 
234
void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
 
235
                                    struct sta_info *sta)
 
236
{
 
237
        char buf[50];
 
238
 
 
239
        if (!key->debugfs.dir)
 
240
                return;
 
241
 
 
242
        sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr));
 
243
        key->debugfs.stalink =
 
244
                debugfs_create_symlink("station", key->debugfs.dir, buf);
 
245
}
 
246
 
 
247
void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
 
248
                                   struct sta_info *sta)
 
249
{
 
250
        debugfs_remove(key->debugfs.stalink);
 
251
        key->debugfs.stalink = NULL;
 
252
}