Merge tag 'v3.10.97' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / ti / wlcore / testmode.c
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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
c31be25a 28#include "wlcore.h"
0f4e3122 29#include "debug.h"
00d20100 30#include "acx.h"
abc47470 31#include "ps.h"
75f25548 32#include "io.h"
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33
34#define WL1271_TM_MAX_DATA_LENGTH 1024
35
36enum wl1271_tm_commands {
37 WL1271_TM_CMD_UNSPEC,
38 WL1271_TM_CMD_TEST,
39 WL1271_TM_CMD_INTERROGATE,
40 WL1271_TM_CMD_CONFIGURE,
3f176494 41 WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */
c8c90873 42 WL1271_TM_CMD_SET_PLT_MODE,
fd92dc5d 43 WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */
75f25548 44 WL1271_TM_CMD_GET_MAC,
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45
46 __WL1271_TM_CMD_AFTER_LAST
47};
48#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)
49
50enum wl1271_tm_attrs {
51 WL1271_TM_ATTR_UNSPEC,
52 WL1271_TM_ATTR_CMD_ID,
53 WL1271_TM_ATTR_ANSWER,
54 WL1271_TM_ATTR_DATA,
55 WL1271_TM_ATTR_IE_ID,
56 WL1271_TM_ATTR_PLT_MODE,
57
58 __WL1271_TM_ATTR_AFTER_LAST
59};
60#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)
61
62static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
63 [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
64 [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
65 [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
66 .len = WL1271_TM_MAX_DATA_LENGTH },
67 [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
68 [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
69};
70
71
72static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
73{
74 int buf_len, ret, len;
75 struct sk_buff *skb;
76 void *buf;
77 u8 answer = 0;
78
79 wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
80
81 if (!tb[WL1271_TM_ATTR_DATA])
82 return -EINVAL;
83
84 buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
85 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
86
87 if (tb[WL1271_TM_ATTR_ANSWER])
88 answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
89
90 if (buf_len > sizeof(struct wl1271_command))
91 return -EMSGSIZE;
92
93 mutex_lock(&wl->mutex);
c8c90873 94
4cc53383 95 if (unlikely(wl->state != WLCORE_STATE_ON)) {
abc47470
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96 ret = -EINVAL;
97 goto out;
98 }
99
100 ret = wl1271_ps_elp_wakeup(wl);
101 if (ret < 0)
102 goto out;
103
104 ret = wl1271_cmd_test(wl, buf, buf_len, answer);
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105 if (ret < 0) {
106 wl1271_warning("testmode cmd test failed: %d", ret);
abc47470 107 goto out_sleep;
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108 }
109
110 if (answer) {
b0b09e31
YS
111 /* If we got bip calibration answer print radio status */
112 struct wl1271_cmd_cal_p2g *params =
113 (struct wl1271_cmd_cal_p2g *) buf;
114
115 s16 radio_status = (s16) le16_to_cpu(params->radio_status);
116
117 if (params->test.id == TEST_CMD_P2G_CAL &&
118 radio_status < 0)
119 wl1271_warning("testmode cmd: radio status=%d",
120 radio_status);
121 else
122 wl1271_info("testmode cmd: radio status=%d",
123 radio_status);
124
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125 len = nla_total_size(buf_len);
126 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
abc47470
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127 if (!skb) {
128 ret = -ENOMEM;
129 goto out_sleep;
130 }
c8c90873 131
bf722d1d
YS
132 if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
133 kfree_skb(skb);
134 ret = -EMSGSIZE;
135 goto out_sleep;
136 }
137
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138 ret = cfg80211_testmode_reply(skb);
139 if (ret < 0)
abc47470 140 goto out_sleep;
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141 }
142
abc47470
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143out_sleep:
144 wl1271_ps_elp_sleep(wl);
145out:
146 mutex_unlock(&wl->mutex);
147
148 return ret;
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149}
150
151static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
152{
153 int ret;
154 struct wl1271_command *cmd;
155 struct sk_buff *skb;
156 u8 ie_id;
157
158 wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
159
160 if (!tb[WL1271_TM_ATTR_IE_ID])
161 return -EINVAL;
162
163 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
164
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165 mutex_lock(&wl->mutex);
166
4cc53383 167 if (unlikely(wl->state != WLCORE_STATE_ON)) {
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168 ret = -EINVAL;
169 goto out;
170 }
171
172 ret = wl1271_ps_elp_wakeup(wl);
173 if (ret < 0)
174 goto out;
175
c8c90873 176 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
abc47470
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177 if (!cmd) {
178 ret = -ENOMEM;
179 goto out_sleep;
180 }
c8c90873 181
c8c90873 182 ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
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183 if (ret < 0) {
184 wl1271_warning("testmode cmd interrogate failed: %d", ret);
abc47470 185 goto out_free;
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186 }
187
188 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
f8afdf48 189 if (!skb) {
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190 ret = -ENOMEM;
191 goto out_free;
f8afdf48 192 }
c8c90873 193
bf722d1d
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194 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
195 kfree_skb(skb);
196 ret = -EMSGSIZE;
197 goto out_free;
198 }
199
3dbb5846
EP
200 ret = cfg80211_testmode_reply(skb);
201 if (ret < 0)
202 goto out_free;
c8c90873 203
abc47470
EP
204out_free:
205 kfree(cmd);
206out_sleep:
207 wl1271_ps_elp_sleep(wl);
208out:
209 mutex_unlock(&wl->mutex);
210
211 return ret;
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212}
213
214static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
215{
216 int buf_len, ret;
217 void *buf;
218 u8 ie_id;
219
220 wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");
221
222 if (!tb[WL1271_TM_ATTR_DATA])
223 return -EINVAL;
224 if (!tb[WL1271_TM_ATTR_IE_ID])
225 return -EINVAL;
226
227 ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
228 buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
229 buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
230
231 if (buf_len > sizeof(struct wl1271_command))
232 return -EMSGSIZE;
233
234 mutex_lock(&wl->mutex);
235 ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
236 mutex_unlock(&wl->mutex);
237
238 if (ret < 0) {
239 wl1271_warning("testmode cmd configure failed: %d", ret);
240 return ret;
241 }
242
243 return 0;
244}
245
ff324317
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246static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[])
247{
248 /* return FEM type */
249 int ret, len;
250 struct sk_buff *skb;
251
252 ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
253 if (ret < 0)
254 goto out;
255
256 mutex_lock(&wl->mutex);
257
258 len = nla_total_size(sizeof(wl->fem_manuf));
259 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
260 if (!skb) {
261 ret = -ENOMEM;
262 goto out_mutex;
263 }
264
265 if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
266 &wl->fem_manuf)) {
267 kfree_skb(skb);
268 ret = -EMSGSIZE;
269 goto out_mutex;
270 }
271
272 ret = cfg80211_testmode_reply(skb);
273
274out_mutex:
275 mutex_unlock(&wl->mutex);
276
277 /* We always stop plt after DETECT mode */
278 wl1271_plt_stop(wl);
279out:
280 return ret;
281}
282
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283static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
284{
285 u32 val;
286 int ret;
287
288 wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");
289
290 if (!tb[WL1271_TM_ATTR_PLT_MODE])
291 return -EINVAL;
292
293 val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);
294
295 switch (val) {
7019c80e 296 case PLT_OFF:
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297 ret = wl1271_plt_stop(wl);
298 break;
7019c80e 299 case PLT_ON:
ff324317
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300 ret = wl1271_plt_start(wl, PLT_ON);
301 break;
7019c80e 302 case PLT_FEM_DETECT:
ff324317 303 ret = wl1271_tm_detect_fem(wl, tb);
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304 break;
305 default:
306 ret = -EINVAL;
307 break;
308 }
309
310 return ret;
311}
312
75f25548
LC
313static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
314{
315 struct sk_buff *skb;
316 u8 mac_addr[ETH_ALEN];
317 int ret = 0;
318
319 mutex_lock(&wl->mutex);
320
3fcdab70 321 if (!wl->plt) {
75f25548
LC
322 ret = -EINVAL;
323 goto out;
324 }
325
326 if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
327 ret = -EOPNOTSUPP;
328 goto out;
329 }
330
331 mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
332 mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
333 mac_addr[2] = (u8) wl->fuse_oui_addr;
334 mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
335 mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
336 mac_addr[5] = (u8) wl->fuse_nic_addr;
337
338 skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
339 if (!skb) {
340 ret = -ENOMEM;
341 goto out;
342 }
343
bf722d1d
YS
344 if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) {
345 kfree_skb(skb);
346 ret = -EMSGSIZE;
347 goto out;
348 }
349
75f25548
LC
350 ret = cfg80211_testmode_reply(skb);
351 if (ret < 0)
352 goto out;
353
354out:
355 mutex_unlock(&wl->mutex);
356 return ret;
75f25548
LC
357}
358
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359int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
360{
361 struct wl1271 *wl = hw->priv;
362 struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
363 int err;
364
365 err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy);
366 if (err)
367 return err;
368
369 if (!tb[WL1271_TM_ATTR_CMD_ID])
370 return -EINVAL;
371
372 switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) {
373 case WL1271_TM_CMD_TEST:
374 return wl1271_tm_cmd_test(wl, tb);
375 case WL1271_TM_CMD_INTERROGATE:
376 return wl1271_tm_cmd_interrogate(wl, tb);
377 case WL1271_TM_CMD_CONFIGURE:
378 return wl1271_tm_cmd_configure(wl, tb);
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379 case WL1271_TM_CMD_SET_PLT_MODE:
380 return wl1271_tm_cmd_set_plt_mode(wl, tb);
75f25548
LC
381 case WL1271_TM_CMD_GET_MAC:
382 return wl12xx_tm_cmd_get_mac(wl, tb);
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383 default:
384 return -EOPNOTSUPP;
385 }
386}