wl12xx: increase scan timeout to 30s
[linux-2.6-block.git] / drivers / net / wireless / wl12xx / testmode.c
CommitLineData
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1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 2010 Nokia Corporation
5 *
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 */
00d20100 23#include "testmode.h"
c8c90873 24
5a0e3ad6 25#include <linux/slab.h>
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26#include <net/genetlink.h>
27
00d20100 28#include "wl12xx.h"
0f4e3122 29#include "debug.h"
00d20100 30#include "acx.h"
bc765bf3 31#include "reg.h"
abc47470 32#include "ps.h"
75f25548 33#include "io.h"
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34
35#define WL1271_TM_MAX_DATA_LENGTH 1024
36
37enum wl1271_tm_commands {
38 WL1271_TM_CMD_UNSPEC,
39 WL1271_TM_CMD_TEST,
40 WL1271_TM_CMD_INTERROGATE,
41 WL1271_TM_CMD_CONFIGURE,
3f176494 42 WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */
c8c90873 43 WL1271_TM_CMD_SET_PLT_MODE,
e285a525 44 WL1271_TM_CMD_RECOVER,
75f25548 45 WL1271_TM_CMD_GET_MAC,
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46
47 __WL1271_TM_CMD_AFTER_LAST
48};
49#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)
50
51enum wl1271_tm_attrs {
52 WL1271_TM_ATTR_UNSPEC,
53 WL1271_TM_ATTR_CMD_ID,
54 WL1271_TM_ATTR_ANSWER,
55 WL1271_TM_ATTR_DATA,
56 WL1271_TM_ATTR_IE_ID,
57 WL1271_TM_ATTR_PLT_MODE,
58
59 __WL1271_TM_ATTR_AFTER_LAST
60};
61#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)
62
63static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
64 [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
65 [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
66 [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
67 .len = WL1271_TM_MAX_DATA_LENGTH },
68 [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
69 [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
70};
71
72
73static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
74{
75 int buf_len, ret, len;
76 struct sk_buff *skb;
77 void *buf;
78 u8 answer = 0;
79
80 wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
81
82 if (!tb[WL1271_TM_ATTR_DATA])
83 return -EINVAL;
84
85 buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
86 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
87
88 if (tb[WL1271_TM_ATTR_ANSWER])
89 answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
90
91 if (buf_len > sizeof(struct wl1271_command))
92 return -EMSGSIZE;
93
94 mutex_lock(&wl->mutex);
c8c90873 95
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96 if (wl->state == WL1271_STATE_OFF) {
97 ret = -EINVAL;
98 goto out;
99 }
100
101 ret = wl1271_ps_elp_wakeup(wl);
102 if (ret < 0)
103 goto out;
104
105 ret = wl1271_cmd_test(wl, buf, buf_len, answer);
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106 if (ret < 0) {
107 wl1271_warning("testmode cmd test failed: %d", ret);
abc47470 108 goto out_sleep;
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109 }
110
111 if (answer) {
112 len = nla_total_size(buf_len);
113 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
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114 if (!skb) {
115 ret = -ENOMEM;
116 goto out_sleep;
117 }
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118
119 NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf);
120 ret = cfg80211_testmode_reply(skb);
121 if (ret < 0)
abc47470 122 goto out_sleep;
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123 }
124
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125out_sleep:
126 wl1271_ps_elp_sleep(wl);
127out:
128 mutex_unlock(&wl->mutex);
129
130 return ret;
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131
132nla_put_failure:
133 kfree_skb(skb);
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134 ret = -EMSGSIZE;
135 goto out_sleep;
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136}
137
138static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
139{
140 int ret;
141 struct wl1271_command *cmd;
142 struct sk_buff *skb;
143 u8 ie_id;
144
145 wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
146
147 if (!tb[WL1271_TM_ATTR_IE_ID])
148 return -EINVAL;
149
150 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
151
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152 mutex_lock(&wl->mutex);
153
154 if (wl->state == WL1271_STATE_OFF) {
155 ret = -EINVAL;
156 goto out;
157 }
158
159 ret = wl1271_ps_elp_wakeup(wl);
160 if (ret < 0)
161 goto out;
162
c8c90873 163 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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164 if (!cmd) {
165 ret = -ENOMEM;
166 goto out_sleep;
167 }
c8c90873 168
c8c90873 169 ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
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170 if (ret < 0) {
171 wl1271_warning("testmode cmd interrogate failed: %d", ret);
abc47470 172 goto out_free;
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173 }
174
175 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
f8afdf48 176 if (!skb) {
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177 ret = -ENOMEM;
178 goto out_free;
f8afdf48 179 }
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180
181 NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
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182 ret = cfg80211_testmode_reply(skb);
183 if (ret < 0)
184 goto out_free;
c8c90873 185
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186out_free:
187 kfree(cmd);
188out_sleep:
189 wl1271_ps_elp_sleep(wl);
190out:
191 mutex_unlock(&wl->mutex);
192
193 return ret;
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194
195nla_put_failure:
196 kfree_skb(skb);
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197 ret = -EMSGSIZE;
198 goto out_free;
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199}
200
201static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
202{
203 int buf_len, ret;
204 void *buf;
205 u8 ie_id;
206
207 wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");
208
209 if (!tb[WL1271_TM_ATTR_DATA])
210 return -EINVAL;
211 if (!tb[WL1271_TM_ATTR_IE_ID])
212 return -EINVAL;
213
214 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
215 buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
216 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
217
218 if (buf_len > sizeof(struct wl1271_command))
219 return -EMSGSIZE;
220
221 mutex_lock(&wl->mutex);
222 ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
223 mutex_unlock(&wl->mutex);
224
225 if (ret < 0) {
226 wl1271_warning("testmode cmd configure failed: %d", ret);
227 return ret;
228 }
229
230 return 0;
231}
232
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233static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
234{
235 u32 val;
236 int ret;
237
238 wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");
239
240 if (!tb[WL1271_TM_ATTR_PLT_MODE])
241 return -EINVAL;
242
243 val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);
244
245 switch (val) {
246 case 0:
247 ret = wl1271_plt_stop(wl);
248 break;
249 case 1:
250 ret = wl1271_plt_start(wl);
251 break;
252 default:
253 ret = -EINVAL;
254 break;
255 }
256
257 return ret;
258}
259
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260static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[])
261{
262 wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover");
263
baacb9ae 264 wl12xx_queue_recovery_work(wl);
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265
266 return 0;
267}
268
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269static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
270{
271 struct sk_buff *skb;
272 u8 mac_addr[ETH_ALEN];
273 int ret = 0;
274
275 mutex_lock(&wl->mutex);
276
3fcdab70 277 if (!wl->plt) {
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278 ret = -EINVAL;
279 goto out;
280 }
281
282 if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
283 ret = -EOPNOTSUPP;
284 goto out;
285 }
286
287 mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
288 mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
289 mac_addr[2] = (u8) wl->fuse_oui_addr;
290 mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
291 mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
292 mac_addr[5] = (u8) wl->fuse_nic_addr;
293
294 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
295 if (!skb) {
296 ret = -ENOMEM;
297 goto out;
298 }
299
300 NLA_PUT(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr);
301 ret = cfg80211_testmode_reply(skb);
302 if (ret < 0)
303 goto out;
304
305out:
306 mutex_unlock(&wl->mutex);
307 return ret;
308
309nla_put_failure:
310 kfree_skb(skb);
311 ret = -EMSGSIZE;
312 goto out;
313}
314
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315int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
316{
317 struct wl1271 *wl = hw->priv;
318 struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
319 int err;
320
321 err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy);
322 if (err)
323 return err;
324
325 if (!tb[WL1271_TM_ATTR_CMD_ID])
326 return -EINVAL;
327
328 switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) {
329 case WL1271_TM_CMD_TEST:
330 return wl1271_tm_cmd_test(wl, tb);
331 case WL1271_TM_CMD_INTERROGATE:
332 return wl1271_tm_cmd_interrogate(wl, tb);
333 case WL1271_TM_CMD_CONFIGURE:
334 return wl1271_tm_cmd_configure(wl, tb);
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335 case WL1271_TM_CMD_SET_PLT_MODE:
336 return wl1271_tm_cmd_set_plt_mode(wl, tb);
e285a525
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337 case WL1271_TM_CMD_RECOVER:
338 return wl1271_tm_cmd_recover(wl, tb);
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339 case WL1271_TM_CMD_GET_MAC:
340 return wl12xx_tm_cmd_get_mac(wl, tb);
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341 default:
342 return -EOPNOTSUPP;
343 }
344}