Commit | Line | Data |
---|---|---|
4613e72d CK |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called LICENSE.GPL. | |
26 | * | |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include <linux/init.h> | |
64 | #include <linux/kernel.h> | |
65 | #include <linux/module.h> | |
522376d2 | 66 | #include <linux/dma-mapping.h> |
4613e72d CK |
67 | #include <net/net_namespace.h> |
68 | #include <linux/netdevice.h> | |
69 | #include <net/cfg80211.h> | |
70 | #include <net/mac80211.h> | |
71 | #include <net/netlink.h> | |
72 | ||
4613e72d CK |
73 | #include "iwl-dev.h" |
74 | #include "iwl-core.h" | |
75 | #include "iwl-debug.h" | |
4613e72d CK |
76 | #include "iwl-io.h" |
77 | #include "iwl-agn.h" | |
78 | #include "iwl-testmode.h" | |
bdfbf092 | 79 | #include "iwl-trans.h" |
0bec12b8 | 80 | #include "iwl-bus.h" |
4613e72d CK |
81 | |
82 | /* The TLVs used in the gnl message policy between the kernel module and | |
83 | * user space application. iwl_testmode_gnl_msg_policy is to be carried | |
84 | * through the NL80211_CMD_TESTMODE channel regulated by nl80211. | |
85 | * See iwl-testmode.h | |
86 | */ | |
87 | static | |
88 | struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { | |
89 | [IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, }, | |
90 | ||
91 | [IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, }, | |
92 | [IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, }, | |
93 | ||
94 | [IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, }, | |
95 | [IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, }, | |
96 | [IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, }, | |
97 | ||
98 | [IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, }, | |
99 | [IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, }, | |
7a4e5281 | 100 | |
4babc358 WYG |
101 | [IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, }, |
102 | ||
7a4e5281 | 103 | [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, }, |
eb64dca0 | 104 | [IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, }, |
49b72100 | 105 | [IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, }, |
7a4e5281 | 106 | |
6489854b | 107 | [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, }, |
49b72100 | 108 | |
e98a1939 | 109 | [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, }, |
306713fd HK |
110 | |
111 | [IWL_TM_ATTR_SRAM_ADDR] = { .type = NLA_U32, }, | |
112 | [IWL_TM_ATTR_SRAM_SIZE] = { .type = NLA_U32, }, | |
113 | [IWL_TM_ATTR_SRAM_DUMP] = { .type = NLA_UNSPEC, }, | |
e1a38fe1 HK |
114 | |
115 | [IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, }, | |
0bec12b8 | 116 | [IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, }, |
4613e72d CK |
117 | }; |
118 | ||
119 | /* | |
120 | * See the struct iwl_rx_packet in iwl-commands.h for the format of the | |
121 | * received events from the device | |
122 | */ | |
123 | static inline int get_event_length(struct iwl_rx_mem_buffer *rxb) | |
124 | { | |
125 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
126 | if (pkt) | |
127 | return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; | |
128 | else | |
129 | return 0; | |
130 | } | |
131 | ||
132 | ||
133 | /* | |
134 | * This function multicasts the spontaneous messages from the device to the | |
135 | * user space. It is invoked whenever there is a received messages | |
136 | * from the device. This function is called within the ISR of the rx handlers | |
137 | * in iwlagn driver. | |
138 | * | |
139 | * The parsing of the message content is left to the user space application, | |
140 | * The message content is treated as unattacked raw data and is encapsulated | |
141 | * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space. | |
142 | * | |
143 | * @priv: the instance of iwlwifi device | |
144 | * @rxb: pointer to rx data content received by the ISR | |
145 | * | |
146 | * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[]. | |
147 | * For the messages multicasting to the user application, the mandatory | |
148 | * TLV fields are : | |
149 | * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT | |
150 | * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content | |
151 | */ | |
152 | ||
153 | static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, | |
154 | struct iwl_rx_mem_buffer *rxb) | |
155 | { | |
156 | struct ieee80211_hw *hw = priv->hw; | |
157 | struct sk_buff *skb; | |
158 | void *data; | |
159 | int length; | |
160 | ||
161 | data = (void *)rxb_addr(rxb); | |
162 | length = get_event_length(rxb); | |
163 | ||
164 | if (!data || length == 0) | |
165 | return; | |
166 | ||
167 | skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length, | |
168 | GFP_ATOMIC); | |
169 | if (skb == NULL) { | |
170 | IWL_DEBUG_INFO(priv, | |
171 | "Run out of memory for messages to user space ?\n"); | |
172 | return; | |
173 | } | |
174 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); | |
175 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data); | |
176 | cfg80211_testmode_event(skb, GFP_ATOMIC); | |
177 | return; | |
178 | ||
179 | nla_put_failure: | |
180 | kfree_skb(skb); | |
181 | IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n"); | |
182 | } | |
183 | ||
184 | void iwl_testmode_init(struct iwl_priv *priv) | |
185 | { | |
186 | priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; | |
7a4e5281 | 187 | priv->testmode_trace.trace_enabled = false; |
306713fd HK |
188 | priv->testmode_sram.sram_readed = false; |
189 | } | |
190 | ||
6b5a26f5 | 191 | static void iwl_sram_cleanup(struct iwl_priv *priv) |
306713fd HK |
192 | { |
193 | if (priv->testmode_sram.sram_readed) { | |
194 | kfree(priv->testmode_sram.buff_addr); | |
195 | priv->testmode_sram.buff_addr = NULL; | |
196 | priv->testmode_sram.buff_size = 0; | |
197 | priv->testmode_sram.num_chunks = 0; | |
198 | priv->testmode_sram.sram_readed = false; | |
199 | } | |
7a4e5281 WYG |
200 | } |
201 | ||
202 | static void iwl_trace_cleanup(struct iwl_priv *priv) | |
203 | { | |
7a4e5281 WYG |
204 | if (priv->testmode_trace.trace_enabled) { |
205 | if (priv->testmode_trace.cpu_addr && | |
206 | priv->testmode_trace.dma_addr) | |
26bfc0cf | 207 | dma_free_coherent(bus(priv)->dev, |
49b72100 | 208 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
209 | priv->testmode_trace.cpu_addr, |
210 | priv->testmode_trace.dma_addr); | |
211 | priv->testmode_trace.trace_enabled = false; | |
212 | priv->testmode_trace.cpu_addr = NULL; | |
213 | priv->testmode_trace.trace_addr = NULL; | |
214 | priv->testmode_trace.dma_addr = 0; | |
49b72100 WYG |
215 | priv->testmode_trace.buff_size = 0; |
216 | priv->testmode_trace.total_size = 0; | |
7a4e5281 WYG |
217 | } |
218 | } | |
219 | ||
220 | ||
221 | void iwl_testmode_cleanup(struct iwl_priv *priv) | |
222 | { | |
223 | iwl_trace_cleanup(priv); | |
306713fd | 224 | iwl_sram_cleanup(priv); |
4613e72d CK |
225 | } |
226 | ||
227 | /* | |
228 | * This function handles the user application commands to the ucode. | |
229 | * | |
230 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and | |
231 | * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the | |
232 | * host command to the ucode. | |
233 | * | |
234 | * If any mandatory field is missing, -ENOMSG is replied to the user space | |
235 | * application; otherwise, the actual execution result of the host command to | |
236 | * ucode is replied. | |
237 | * | |
238 | * @hw: ieee80211_hw object that represents the device | |
239 | * @tb: gnl message fields from the user space | |
240 | */ | |
241 | static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) | |
242 | { | |
243 | struct iwl_priv *priv = hw->priv; | |
244 | struct iwl_host_cmd cmd; | |
245 | ||
246 | memset(&cmd, 0, sizeof(struct iwl_host_cmd)); | |
247 | ||
248 | if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] || | |
249 | !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) { | |
250 | IWL_DEBUG_INFO(priv, | |
251 | "Error finding ucode command mandatory fields\n"); | |
252 | return -ENOMSG; | |
253 | } | |
254 | ||
c7c1115b | 255 | cmd.flags = CMD_ON_DEMAND; |
4613e72d | 256 | cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]); |
3fa50738 JB |
257 | cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); |
258 | cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); | |
4ce7cc2b | 259 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
4613e72d | 260 | IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," |
3fa50738 | 261 | " len %d\n", cmd.id, cmd.flags, cmd.len[0]); |
4613e72d | 262 | /* ok, let's submit the command to ucode */ |
e6bb4c9c | 263 | return iwl_trans_send_cmd(trans(priv), &cmd); |
4613e72d CK |
264 | } |
265 | ||
266 | ||
267 | /* | |
268 | * This function handles the user application commands for register access. | |
269 | * | |
270 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
271 | * handlers respectively. | |
272 | * | |
273 | * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the | |
274 | * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32, | |
275 | * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating | |
276 | * the success of the command execution. | |
277 | * | |
278 | * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read | |
279 | * value is returned with IWL_TM_ATTR_REG_VALUE32. | |
280 | * | |
281 | * @hw: ieee80211_hw object that represents the device | |
282 | * @tb: gnl message fields from the user space | |
283 | */ | |
284 | static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) | |
285 | { | |
286 | struct iwl_priv *priv = hw->priv; | |
287 | u32 ofs, val32; | |
288 | u8 val8; | |
289 | struct sk_buff *skb; | |
290 | int status = 0; | |
291 | ||
292 | if (!tb[IWL_TM_ATTR_REG_OFFSET]) { | |
293 | IWL_DEBUG_INFO(priv, "Error finding register offset\n"); | |
294 | return -ENOMSG; | |
295 | } | |
296 | ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]); | |
297 | IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); | |
298 | ||
299 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
72bcacc2 | 300 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
83ed9015 | 301 | val32 = iwl_read32(bus(priv), ofs); |
4613e72d CK |
302 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); |
303 | ||
304 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
305 | if (!skb) { | |
306 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
307 | return -ENOMEM; | |
308 | } | |
309 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); | |
310 | status = cfg80211_testmode_reply(skb); | |
311 | if (status < 0) | |
312 | IWL_DEBUG_INFO(priv, | |
313 | "Error sending msg : %d\n", status); | |
314 | break; | |
72bcacc2 | 315 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: |
4613e72d CK |
316 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { |
317 | IWL_DEBUG_INFO(priv, | |
318 | "Error finding value to write\n"); | |
319 | return -ENOMSG; | |
320 | } else { | |
321 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); | |
322 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); | |
83ed9015 | 323 | iwl_write32(bus(priv), ofs, val32); |
4613e72d CK |
324 | } |
325 | break; | |
72bcacc2 | 326 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: |
4613e72d CK |
327 | if (!tb[IWL_TM_ATTR_REG_VALUE8]) { |
328 | IWL_DEBUG_INFO(priv, "Error finding value to write\n"); | |
329 | return -ENOMSG; | |
330 | } else { | |
331 | val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); | |
332 | IWL_INFO(priv, "8bit value to write 0x%x\n", val8); | |
83ed9015 | 333 | iwl_write8(bus(priv), ofs, val8); |
4613e72d CK |
334 | } |
335 | break; | |
72bcacc2 HK |
336 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: |
337 | val32 = iwl_read_prph(bus(priv), ofs); | |
338 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); | |
339 | ||
340 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
341 | if (!skb) { | |
342 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
343 | return -ENOMEM; | |
344 | } | |
345 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); | |
346 | status = cfg80211_testmode_reply(skb); | |
347 | if (status < 0) | |
348 | IWL_DEBUG_INFO(priv, | |
349 | "Error sending msg : %d\n", status); | |
350 | break; | |
351 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: | |
352 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { | |
353 | IWL_DEBUG_INFO(priv, | |
354 | "Error finding value to write\n"); | |
355 | return -ENOMSG; | |
356 | } else { | |
357 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); | |
358 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); | |
359 | iwl_write_prph(bus(priv), ofs, val32); | |
360 | } | |
361 | break; | |
4613e72d CK |
362 | default: |
363 | IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n"); | |
364 | return -ENOSYS; | |
365 | } | |
366 | ||
367 | return status; | |
368 | ||
369 | nla_put_failure: | |
370 | kfree_skb(skb); | |
371 | return -EMSGSIZE; | |
372 | } | |
373 | ||
374 | ||
375 | static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv) | |
376 | { | |
377 | struct iwl_notification_wait calib_wait; | |
378 | int ret; | |
379 | ||
dd5fe104 | 380 | iwl_init_notification_wait(priv->shrd, &calib_wait, |
4613e72d CK |
381 | CALIBRATION_COMPLETE_NOTIFICATION, |
382 | NULL, NULL); | |
383 | ret = iwlagn_init_alive_start(priv); | |
384 | if (ret) { | |
385 | IWL_DEBUG_INFO(priv, | |
386 | "Error configuring init calibration: %d\n", ret); | |
387 | goto cfg_init_calib_error; | |
388 | } | |
389 | ||
dd5fe104 | 390 | ret = iwl_wait_notification(priv->shrd, &calib_wait, 2 * HZ); |
4613e72d CK |
391 | if (ret) |
392 | IWL_DEBUG_INFO(priv, "Error detecting" | |
393 | " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret); | |
394 | return ret; | |
395 | ||
396 | cfg_init_calib_error: | |
dd5fe104 | 397 | iwl_remove_notification(priv->shrd, &calib_wait); |
4613e72d CK |
398 | return ret; |
399 | } | |
400 | ||
401 | /* | |
402 | * This function handles the user application commands for driver. | |
403 | * | |
404 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
405 | * handlers respectively. | |
406 | * | |
407 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
408 | * value of the actual command execution is replied to the user application. | |
409 | * | |
410 | * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP | |
411 | * is used for carry the message while IWL_TM_ATTR_COMMAND must set to | |
412 | * IWL_TM_CMD_DEV2APP_SYNC_RSP. | |
413 | * | |
414 | * @hw: ieee80211_hw object that represents the device | |
415 | * @tb: gnl message fields from the user space | |
416 | */ | |
417 | static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) | |
418 | { | |
419 | struct iwl_priv *priv = hw->priv; | |
420 | struct sk_buff *skb; | |
421 | unsigned char *rsp_data_ptr = NULL; | |
422 | int status = 0, rsp_data_len = 0; | |
0bec12b8 HK |
423 | char buf[32], *ptr = NULL; |
424 | unsigned int num, devid; | |
4613e72d CK |
425 | |
426 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
427 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
428 | rsp_data_ptr = (unsigned char *)priv->cfg->name; | |
429 | rsp_data_len = strlen(priv->cfg->name); | |
430 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, | |
431 | rsp_data_len + 20); | |
432 | if (!skb) { | |
433 | IWL_DEBUG_INFO(priv, | |
434 | "Error allocating memory\n"); | |
435 | return -ENOMEM; | |
436 | } | |
437 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
438 | IWL_TM_CMD_DEV2APP_SYNC_RSP); | |
439 | NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP, | |
440 | rsp_data_len, rsp_data_ptr); | |
441 | status = cfg80211_testmode_reply(skb); | |
442 | if (status < 0) | |
443 | IWL_DEBUG_INFO(priv, "Error sending msg : %d\n", | |
444 | status); | |
445 | break; | |
446 | ||
447 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
8929c24b | 448 | status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT); |
4613e72d CK |
449 | if (status) |
450 | IWL_DEBUG_INFO(priv, | |
451 | "Error loading init ucode: %d\n", status); | |
452 | break; | |
453 | ||
454 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
455 | iwl_testmode_cfg_init_calib(priv); | |
e6bb4c9c | 456 | iwl_trans_stop_device(trans(priv)); |
4613e72d CK |
457 | break; |
458 | ||
459 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
8929c24b | 460 | status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); |
4613e72d CK |
461 | if (status) { |
462 | IWL_DEBUG_INFO(priv, | |
463 | "Error loading runtime ucode: %d\n", status); | |
464 | break; | |
465 | } | |
466 | status = iwl_alive_start(priv); | |
467 | if (status) | |
468 | IWL_DEBUG_INFO(priv, | |
469 | "Error starting the device: %d\n", status); | |
470 | break; | |
471 | ||
d4af19fe HK |
472 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
473 | iwl_scan_cancel_timeout(priv, 200); | |
474 | iwl_trans_stop_device(trans(priv)); | |
475 | status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); | |
476 | if (status) { | |
477 | IWL_DEBUG_INFO(priv, | |
478 | "Error loading WOWLAN ucode: %d\n", status); | |
479 | break; | |
480 | } | |
481 | status = iwl_alive_start(priv); | |
482 | if (status) | |
483 | IWL_DEBUG_INFO(priv, | |
484 | "Error starting the device: %d\n", status); | |
485 | break; | |
486 | ||
4babc358 WYG |
487 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
488 | if (priv->eeprom) { | |
489 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, | |
490 | priv->cfg->base_params->eeprom_size + 20); | |
491 | if (!skb) { | |
492 | IWL_DEBUG_INFO(priv, | |
493 | "Error allocating memory\n"); | |
494 | return -ENOMEM; | |
495 | } | |
496 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
497 | IWL_TM_CMD_DEV2APP_EEPROM_RSP); | |
498 | NLA_PUT(skb, IWL_TM_ATTR_EEPROM, | |
499 | priv->cfg->base_params->eeprom_size, | |
500 | priv->eeprom); | |
501 | status = cfg80211_testmode_reply(skb); | |
502 | if (status < 0) | |
503 | IWL_DEBUG_INFO(priv, | |
504 | "Error sending msg : %d\n", | |
505 | status); | |
506 | } else | |
507 | return -EFAULT; | |
508 | break; | |
509 | ||
6489854b WYG |
510 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
511 | if (!tb[IWL_TM_ATTR_FIXRATE]) { | |
512 | IWL_DEBUG_INFO(priv, | |
513 | "Error finding fixrate setting\n"); | |
514 | return -ENOMSG; | |
515 | } | |
4e308119 | 516 | priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); |
6489854b WYG |
517 | break; |
518 | ||
e1a38fe1 HK |
519 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
520 | IWL_INFO(priv, "uCode version raw: 0x%x\n", priv->ucode_ver); | |
521 | ||
522 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
523 | if (!skb) { | |
524 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
525 | return -ENOMEM; | |
526 | } | |
527 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, priv->ucode_ver); | |
528 | status = cfg80211_testmode_reply(skb); | |
529 | if (status < 0) | |
530 | IWL_DEBUG_INFO(priv, | |
531 | "Error sending msg : %d\n", status); | |
532 | break; | |
533 | ||
0bec12b8 HK |
534 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
535 | bus_get_hw_id(bus(priv), buf, sizeof(buf)); | |
536 | ptr = buf; | |
537 | strsep(&ptr, ":"); | |
538 | sscanf(strsep(&ptr, ":"), "%x", &num); | |
539 | sscanf(strsep(&ptr, ":"), "%x", &devid); | |
540 | IWL_INFO(priv, "Device ID = 0x%04x, SubDevice ID= 0x%04x\n", | |
541 | num, devid); | |
542 | devid |= (num << 16); | |
543 | ||
544 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
545 | if (!skb) { | |
546 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
547 | return -ENOMEM; | |
548 | } | |
549 | NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid); | |
550 | status = cfg80211_testmode_reply(skb); | |
551 | if (status < 0) | |
552 | IWL_DEBUG_INFO(priv, | |
553 | "Error sending msg : %d\n", status); | |
554 | break; | |
555 | ||
4613e72d CK |
556 | default: |
557 | IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n"); | |
558 | return -ENOSYS; | |
559 | } | |
560 | return status; | |
561 | ||
562 | nla_put_failure: | |
563 | kfree_skb(skb); | |
564 | return -EMSGSIZE; | |
565 | } | |
566 | ||
7a4e5281 WYG |
567 | |
568 | /* | |
569 | * This function handles the user application commands for uCode trace | |
570 | * | |
571 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
572 | * handlers respectively. | |
573 | * | |
574 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
575 | * value of the actual command execution is replied to the user application. | |
576 | * | |
577 | * @hw: ieee80211_hw object that represents the device | |
578 | * @tb: gnl message fields from the user space | |
579 | */ | |
580 | static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) | |
581 | { | |
582 | struct iwl_priv *priv = hw->priv; | |
583 | struct sk_buff *skb; | |
584 | int status = 0; | |
26bfc0cf | 585 | struct device *dev = bus(priv)->dev; |
7a4e5281 WYG |
586 | |
587 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
588 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
589 | if (priv->testmode_trace.trace_enabled) | |
590 | return -EBUSY; | |
591 | ||
49b72100 WYG |
592 | if (!tb[IWL_TM_ATTR_TRACE_SIZE]) |
593 | priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF; | |
594 | else | |
595 | priv->testmode_trace.buff_size = | |
596 | nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]); | |
597 | if (!priv->testmode_trace.buff_size) | |
598 | return -EINVAL; | |
599 | if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN || | |
600 | priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX) | |
601 | return -EINVAL; | |
602 | ||
603 | priv->testmode_trace.total_size = | |
604 | priv->testmode_trace.buff_size + TRACE_BUFF_PADD; | |
7a4e5281 WYG |
605 | priv->testmode_trace.cpu_addr = |
606 | dma_alloc_coherent(dev, | |
49b72100 | 607 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
608 | &priv->testmode_trace.dma_addr, |
609 | GFP_KERNEL); | |
610 | if (!priv->testmode_trace.cpu_addr) | |
611 | return -ENOMEM; | |
612 | priv->testmode_trace.trace_enabled = true; | |
613 | priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN( | |
614 | priv->testmode_trace.cpu_addr, 0x100); | |
615 | memset(priv->testmode_trace.trace_addr, 0x03B, | |
49b72100 | 616 | priv->testmode_trace.buff_size); |
7a4e5281 WYG |
617 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
618 | sizeof(priv->testmode_trace.dma_addr) + 20); | |
619 | if (!skb) { | |
620 | IWL_DEBUG_INFO(priv, | |
621 | "Error allocating memory\n"); | |
622 | iwl_trace_cleanup(priv); | |
623 | return -ENOMEM; | |
624 | } | |
625 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR, | |
626 | sizeof(priv->testmode_trace.dma_addr), | |
627 | (u64 *)&priv->testmode_trace.dma_addr); | |
628 | status = cfg80211_testmode_reply(skb); | |
629 | if (status < 0) { | |
630 | IWL_DEBUG_INFO(priv, | |
631 | "Error sending msg : %d\n", | |
632 | status); | |
633 | } | |
eb64dca0 WYG |
634 | priv->testmode_trace.num_chunks = |
635 | DIV_ROUND_UP(priv->testmode_trace.buff_size, | |
e056a653 | 636 | DUMP_CHUNK_SIZE); |
7a4e5281 WYG |
637 | break; |
638 | ||
639 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
640 | iwl_trace_cleanup(priv); | |
641 | break; | |
7a4e5281 WYG |
642 | default: |
643 | IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n"); | |
644 | return -ENOSYS; | |
645 | } | |
646 | return status; | |
647 | ||
648 | nla_put_failure: | |
649 | kfree_skb(skb); | |
650 | if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) == | |
651 | IWL_TM_CMD_APP2DEV_BEGIN_TRACE) | |
652 | iwl_trace_cleanup(priv); | |
653 | return -EMSGSIZE; | |
654 | } | |
655 | ||
eb64dca0 WYG |
656 | static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb, |
657 | struct sk_buff *skb, | |
658 | struct netlink_callback *cb) | |
659 | { | |
660 | struct iwl_priv *priv = hw->priv; | |
661 | int idx, length; | |
662 | ||
663 | if (priv->testmode_trace.trace_enabled && | |
664 | priv->testmode_trace.trace_addr) { | |
665 | idx = cb->args[4]; | |
666 | if (idx >= priv->testmode_trace.num_chunks) | |
667 | return -ENOENT; | |
e056a653 | 668 | length = DUMP_CHUNK_SIZE; |
eb64dca0 | 669 | if (((idx + 1) == priv->testmode_trace.num_chunks) && |
e056a653 | 670 | (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE)) |
eb64dca0 | 671 | length = priv->testmode_trace.buff_size % |
e056a653 | 672 | DUMP_CHUNK_SIZE; |
eb64dca0 WYG |
673 | |
674 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length, | |
675 | priv->testmode_trace.trace_addr + | |
e056a653 | 676 | (DUMP_CHUNK_SIZE * idx)); |
eb64dca0 WYG |
677 | idx++; |
678 | cb->args[4] = idx; | |
679 | return 0; | |
680 | } else | |
681 | return -EFAULT; | |
682 | ||
683 | nla_put_failure: | |
684 | return -ENOBUFS; | |
685 | } | |
686 | ||
e98a1939 WYG |
687 | /* |
688 | * This function handles the user application switch ucode ownership. | |
689 | * | |
690 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and | |
691 | * decide who the current owner of the uCode | |
692 | * | |
693 | * If the current owner is OWNERSHIP_TM, then the only host command | |
694 | * can deliver to uCode is from testmode, all the other host commands | |
695 | * will dropped. | |
696 | * | |
697 | * default driver is the owner of uCode in normal operational mode | |
698 | * | |
699 | * @hw: ieee80211_hw object that represents the device | |
700 | * @tb: gnl message fields from the user space | |
701 | */ | |
702 | static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) | |
703 | { | |
704 | struct iwl_priv *priv = hw->priv; | |
705 | u8 owner; | |
706 | ||
707 | if (!tb[IWL_TM_ATTR_UCODE_OWNER]) { | |
708 | IWL_DEBUG_INFO(priv, "Error finding ucode owner\n"); | |
709 | return -ENOMSG; | |
710 | } | |
711 | ||
712 | owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); | |
713 | if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) | |
fd656935 | 714 | priv->shrd->ucode_owner = owner; |
e98a1939 WYG |
715 | else { |
716 | IWL_DEBUG_INFO(priv, "Invalid owner\n"); | |
717 | return -EINVAL; | |
718 | } | |
719 | return 0; | |
720 | } | |
721 | ||
306713fd HK |
722 | /* |
723 | * This function handles the user application commands for SRAM data dump | |
724 | * | |
725 | * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and | |
726 | * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading | |
727 | * | |
728 | * Several error will be retured, -EBUSY if the SRAM data retrieved by | |
729 | * previous command has not been delivered to userspace, or -ENOMSG if | |
730 | * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE) | |
731 | * are missing, or -ENOMEM if the buffer allocation fails. | |
732 | * | |
733 | * Otherwise 0 is replied indicating the success of the SRAM reading. | |
734 | * | |
735 | * @hw: ieee80211_hw object that represents the device | |
736 | * @tb: gnl message fields from the user space | |
737 | */ | |
738 | static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb) | |
739 | { | |
740 | struct iwl_priv *priv = hw->priv; | |
76de2f29 | 741 | u32 base, ofs, size, maxsize; |
306713fd HK |
742 | |
743 | if (priv->testmode_sram.sram_readed) | |
744 | return -EBUSY; | |
745 | ||
746 | if (!tb[IWL_TM_ATTR_SRAM_ADDR]) { | |
747 | IWL_DEBUG_INFO(priv, "Error finding SRAM offset address\n"); | |
748 | return -ENOMSG; | |
749 | } | |
750 | ofs = nla_get_u32(tb[IWL_TM_ATTR_SRAM_ADDR]); | |
751 | if (!tb[IWL_TM_ATTR_SRAM_SIZE]) { | |
752 | IWL_DEBUG_INFO(priv, "Error finding size for SRAM reading\n"); | |
753 | return -ENOMSG; | |
754 | } | |
755 | size = nla_get_u32(tb[IWL_TM_ATTR_SRAM_SIZE]); | |
3d6acefc | 756 | switch (priv->shrd->ucode_type) { |
76de2f29 KH |
757 | case IWL_UCODE_REGULAR: |
758 | maxsize = trans(priv)->ucode_rt.data.len; | |
759 | break; | |
760 | case IWL_UCODE_INIT: | |
761 | maxsize = trans(priv)->ucode_init.data.len; | |
762 | break; | |
763 | case IWL_UCODE_WOWLAN: | |
764 | maxsize = trans(priv)->ucode_wowlan.data.len; | |
765 | break; | |
766 | case IWL_UCODE_NONE: | |
767 | IWL_DEBUG_INFO(priv, "Error, uCode does not been loaded\n"); | |
768 | return -ENOSYS; | |
769 | default: | |
770 | IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n"); | |
771 | return -ENOSYS; | |
772 | } | |
773 | if ((ofs + size) > maxsize) { | |
774 | IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n"); | |
775 | return -EINVAL; | |
776 | } | |
306713fd HK |
777 | priv->testmode_sram.buff_size = (size / 4) * 4; |
778 | priv->testmode_sram.buff_addr = | |
779 | kmalloc(priv->testmode_sram.buff_size, GFP_KERNEL); | |
780 | if (priv->testmode_sram.buff_addr == NULL) { | |
781 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
782 | return -ENOMEM; | |
783 | } | |
784 | base = 0x800000; | |
785 | _iwl_read_targ_mem_words(bus(priv), base + ofs, | |
786 | priv->testmode_sram.buff_addr, | |
787 | priv->testmode_sram.buff_size / 4); | |
788 | priv->testmode_sram.num_chunks = | |
e056a653 | 789 | DIV_ROUND_UP(priv->testmode_sram.buff_size, DUMP_CHUNK_SIZE); |
306713fd HK |
790 | priv->testmode_sram.sram_readed = true; |
791 | return 0; | |
792 | } | |
793 | ||
794 | static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb, | |
795 | struct sk_buff *skb, | |
796 | struct netlink_callback *cb) | |
797 | { | |
798 | struct iwl_priv *priv = hw->priv; | |
799 | int idx, length; | |
800 | ||
801 | if (priv->testmode_sram.sram_readed) { | |
802 | idx = cb->args[4]; | |
803 | if (idx >= priv->testmode_sram.num_chunks) { | |
804 | iwl_sram_cleanup(priv); | |
805 | return -ENOENT; | |
806 | } | |
e056a653 | 807 | length = DUMP_CHUNK_SIZE; |
306713fd | 808 | if (((idx + 1) == priv->testmode_sram.num_chunks) && |
e056a653 | 809 | (priv->testmode_sram.buff_size % DUMP_CHUNK_SIZE)) |
306713fd | 810 | length = priv->testmode_sram.buff_size % |
e056a653 | 811 | DUMP_CHUNK_SIZE; |
306713fd HK |
812 | |
813 | NLA_PUT(skb, IWL_TM_ATTR_SRAM_DUMP, length, | |
814 | priv->testmode_sram.buff_addr + | |
e056a653 | 815 | (DUMP_CHUNK_SIZE * idx)); |
306713fd HK |
816 | idx++; |
817 | cb->args[4] = idx; | |
818 | return 0; | |
819 | } else | |
820 | return -EFAULT; | |
821 | ||
822 | nla_put_failure: | |
823 | return -ENOBUFS; | |
824 | } | |
825 | ||
e98a1939 | 826 | |
4613e72d CK |
827 | /* The testmode gnl message handler that takes the gnl message from the |
828 | * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then | |
829 | * invoke the corresponding handlers. | |
830 | * | |
831 | * This function is invoked when there is user space application sending | |
832 | * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated | |
833 | * by nl80211. | |
834 | * | |
835 | * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before | |
836 | * dispatching it to the corresponding handler. | |
837 | * | |
838 | * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application; | |
839 | * -ENOSYS is replied to the user application if the command is unknown; | |
840 | * Otherwise, the command is dispatched to the respective handler. | |
841 | * | |
842 | * @hw: ieee80211_hw object that represents the device | |
843 | * @data: pointer to user space message | |
844 | * @len: length in byte of @data | |
845 | */ | |
ade4c649 | 846 | int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) |
4613e72d | 847 | { |
a6779278 | 848 | struct nlattr *tb[IWL_TM_ATTR_MAX]; |
4613e72d CK |
849 | struct iwl_priv *priv = hw->priv; |
850 | int result; | |
851 | ||
852 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
853 | iwl_testmode_gnl_msg_policy); | |
854 | if (result != 0) { | |
855 | IWL_DEBUG_INFO(priv, | |
856 | "Error parsing the gnl message : %d\n", result); | |
857 | return result; | |
858 | } | |
859 | ||
860 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
861 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
862 | IWL_DEBUG_INFO(priv, "Error finding testmode command type\n"); | |
863 | return -ENOMSG; | |
864 | } | |
865 | /* in case multiple accesses to the device happens */ | |
6ac2f839 | 866 | mutex_lock(&priv->shrd->mutex); |
4613e72d CK |
867 | |
868 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
869 | case IWL_TM_CMD_APP2DEV_UCODE: | |
870 | IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n"); | |
871 | result = iwl_testmode_ucode(hw, tb); | |
872 | break; | |
72bcacc2 HK |
873 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
874 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: | |
875 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: | |
876 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: | |
877 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: | |
4613e72d CK |
878 | IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); |
879 | result = iwl_testmode_reg(hw, tb); | |
880 | break; | |
881 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
882 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
883 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
884 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
4babc358 | 885 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
6489854b | 886 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
d4af19fe | 887 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
e1a38fe1 | 888 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
0bec12b8 | 889 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
4613e72d CK |
890 | IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); |
891 | result = iwl_testmode_driver(hw, tb); | |
892 | break; | |
7a4e5281 WYG |
893 | |
894 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
895 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
896 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
897 | IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n"); | |
898 | result = iwl_testmode_trace(hw, tb); | |
899 | break; | |
900 | ||
e98a1939 WYG |
901 | case IWL_TM_CMD_APP2DEV_OWNERSHIP: |
902 | IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n"); | |
903 | result = iwl_testmode_ownership(hw, tb); | |
904 | break; | |
905 | ||
306713fd HK |
906 | case IWL_TM_CMD_APP2DEV_READ_SRAM: |
907 | IWL_DEBUG_INFO(priv, "testmode sram read cmd to driver\n"); | |
908 | result = iwl_testmode_sram(hw, tb); | |
909 | break; | |
910 | ||
4613e72d CK |
911 | default: |
912 | IWL_DEBUG_INFO(priv, "Unknown testmode command\n"); | |
913 | result = -ENOSYS; | |
914 | break; | |
915 | } | |
916 | ||
6ac2f839 | 917 | mutex_unlock(&priv->shrd->mutex); |
4613e72d CK |
918 | return result; |
919 | } | |
eb64dca0 | 920 | |
ade4c649 | 921 | int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, |
eb64dca0 WYG |
922 | struct netlink_callback *cb, |
923 | void *data, int len) | |
924 | { | |
925 | struct nlattr *tb[IWL_TM_ATTR_MAX]; | |
926 | struct iwl_priv *priv = hw->priv; | |
927 | int result; | |
928 | u32 cmd; | |
929 | ||
930 | if (cb->args[3]) { | |
931 | /* offset by 1 since commands start at 0 */ | |
932 | cmd = cb->args[3] - 1; | |
933 | } else { | |
934 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
935 | iwl_testmode_gnl_msg_policy); | |
936 | if (result) { | |
937 | IWL_DEBUG_INFO(priv, | |
938 | "Error parsing the gnl message : %d\n", result); | |
939 | return result; | |
940 | } | |
941 | ||
942 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
943 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
944 | IWL_DEBUG_INFO(priv, | |
945 | "Error finding testmode command type\n"); | |
946 | return -ENOMSG; | |
947 | } | |
948 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); | |
949 | cb->args[3] = cmd + 1; | |
950 | } | |
951 | ||
952 | /* in case multiple accesses to the device happens */ | |
6ac2f839 | 953 | mutex_lock(&priv->shrd->mutex); |
eb64dca0 WYG |
954 | switch (cmd) { |
955 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
956 | IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); | |
957 | result = iwl_testmode_trace_dump(hw, tb, skb, cb); | |
958 | break; | |
306713fd HK |
959 | case IWL_TM_CMD_APP2DEV_DUMP_SRAM: |
960 | IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n"); | |
961 | result = iwl_testmode_sram_dump(hw, tb, skb, cb); | |
962 | break; | |
eb64dca0 WYG |
963 | default: |
964 | result = -EINVAL; | |
965 | break; | |
966 | } | |
967 | ||
6ac2f839 | 968 | mutex_unlock(&priv->shrd->mutex); |
eb64dca0 WYG |
969 | return result; |
970 | } |