1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
/* cfg80211 support
*
* See copyright notice in main.c
*/
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include "hw.h"
#include "main.h"
#include "orinoco.h"
#include "cfg.h"
/* Supported bitrates. Must agree with hw.c */
static struct ieee80211_rate orinoco_rates[] = {
{ .bitrate = 10 },
{ .bitrate = 20 },
{ .bitrate = 55 },
{ .bitrate = 110 },
};
static const void * const orinoco_wiphy_privid = &orinoco_wiphy_privid;
/* Called after orinoco_private is allocated. */
void orinoco_wiphy_init(struct wiphy *wiphy)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
wiphy->privid = orinoco_wiphy_privid;
set_wiphy_dev(wiphy, priv->dev);
}
/* Called after firmware is initialised */
int orinoco_wiphy_register(struct wiphy *wiphy)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int i, channels = 0;
if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
wiphy->max_scan_ssids = 1;
else
wiphy->max_scan_ssids = 0;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
/* TODO: should we set if we only have demo ad-hoc?
* (priv->has_port3)
*/
if (priv->has_ibss)
wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
if (!priv->broken_monitor || force_monitor)
wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
priv->band.bitrates = orinoco_rates;
priv->band.n_bitrates = ARRAY_SIZE(orinoco_rates);
/* Only support channels allowed by the card EEPROM */
for (i = 0; i < NUM_CHANNELS; i++) {
if (priv->channel_mask & (1 << i)) {
priv->channels[i].center_freq =
ieee80211_channel_to_frequency(i + 1,
IEEE80211_BAND_2GHZ);
channels++;
}
}
priv->band.channels = priv->channels;
priv->band.n_channels = channels;
wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
i = 0;
if (priv->has_wep) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP40;
i++;
if (priv->has_big_wep) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP104;
i++;
}
}
if (priv->has_wpa) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_TKIP;
i++;
}
wiphy->cipher_suites = priv->cipher_suites;
wiphy->n_cipher_suites = i;
wiphy->rts_threshold = priv->rts_thresh;
if (!priv->has_mwo)
wiphy->frag_threshold = priv->frag_thresh + 1;
wiphy->retry_short = priv->short_retry_limit;
wiphy->retry_long = priv->long_retry_limit;
return wiphy_register(wiphy);
}
static int orinoco_change_vif(struct wiphy *wiphy, struct net_device *dev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err = 0;
unsigned long lock;
if (orinoco_lock(priv, &lock) != 0)
return -EBUSY;
switch (type) {
case NL80211_IFTYPE_ADHOC:
if (!priv->has_ibss && !priv->has_port3)
err = -EINVAL;
break;
case NL80211_IFTYPE_STATION:
break;
case NL80211_IFTYPE_MONITOR:
if (priv->broken_monitor && !force_monitor) {
wiphy_warn(wiphy,
"Monitor mode support is buggy in this firmware, not enabling\n");
err = -EINVAL;
}
break;
default:
err = -EINVAL;
}
if (!err) {
priv->iw_mode = type;
set_port_type(priv);
err = orinoco_commit(priv);
}
orinoco_unlock(priv, &lock);
return err;
}
static int orinoco_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err;
if (!request)
return -EINVAL;
if (priv->scan_request && priv->scan_request != request)
return -EBUSY;
priv->scan_request = request;
err = orinoco_hw_trigger_scan(priv, request->ssids);
/* On error the we aren't processing the request */
if (err)
priv->scan_request = NULL;
return err;
}
static int orinoco_set_monitor_channel(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err = 0;
unsigned long flags;
int channel;
if (!chandef->chan)
return -EINVAL;
if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT)
return -EINVAL;
if (chandef->chan->band != IEEE80211_BAND_2GHZ)
return -EINVAL;
channel = ieee80211_frequency_to_channel(chandef->chan->center_freq);
if ((channel < 1) || (channel > NUM_CHANNELS) ||
!(priv->channel_mask & (1 << (channel - 1))))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->channel = channel;
if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
/* Fast channel change - no commit if successful */
struct hermes *hw = &priv->hw;
err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_SET_CHANNEL,
channel, NULL);
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int frag_value = -1;
int rts_value = -1;
int err = 0;
if (changed & WIPHY_PARAM_RETRY_SHORT) {
/* Setting short retry not supported */
err = -EINVAL;
}
if (changed & WIPHY_PARAM_RETRY_LONG) {
/* Setting long retry not supported */
err = -EINVAL;
}
if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
/* Set fragmentation */
if (priv->has_mwo) {
if (wiphy->frag_threshold == -1)
frag_value = 0;
else {
printk(KERN_WARNING "%s: Fixed fragmentation "
"is not supported on this firmware. "
"Using MWO robust instead.\n",
priv->ndev->name);
frag_value = 1;
}
} else {
if (wiphy->frag_threshold == -1)
frag_value = 2346;
else if ((wiphy->frag_threshold < 257) ||
(wiphy->frag_threshold > 2347))
err = -EINVAL;
else
/* cfg80211 value is 257-2347 (odd only)
* orinoco rid has range 256-2346 (even only) */
frag_value = wiphy->frag_threshold & ~0x1;
}
}
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
/* Set RTS.
*
* Prism documentation suggests default of 2432,
* and a range of 0-3000.
*
* Current implementation uses 2347 as the default and
* the upper limit.
*/
if (wiphy->rts_threshold == -1)
rts_value = 2347;
else if (wiphy->rts_threshold > 2347)
err = -EINVAL;
else
rts_value = wiphy->rts_threshold;
}
if (!err) {
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (frag_value >= 0) {
if (priv->has_mwo)
priv->mwo_robust = frag_value;
else
priv->frag_thresh = frag_value;
}
if (rts_value >= 0)
priv->rts_thresh = rts_value;
err = orinoco_commit(priv);
orinoco_unlock(priv, &flags);
}
return err;
}
const struct cfg80211_ops orinoco_cfg_ops = {
.change_virtual_intf = orinoco_change_vif,
.set_monitor_channel = orinoco_set_monitor_channel,
.scan = orinoco_scan,
.set_wiphy_params = orinoco_set_wiphy_params,
};
|
