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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 | ||
69a679b0 | 73 | #include "iwl-wifi.h" |
4613e72d CK |
74 | #include "iwl-dev.h" |
75 | #include "iwl-core.h" | |
76 | #include "iwl-debug.h" | |
4613e72d CK |
77 | #include "iwl-io.h" |
78 | #include "iwl-agn.h" | |
79 | #include "iwl-testmode.h" | |
bdfbf092 | 80 | #include "iwl-trans.h" |
0bec12b8 | 81 | #include "iwl-bus.h" |
4613e72d CK |
82 | |
83 | /* The TLVs used in the gnl message policy between the kernel module and | |
84 | * user space application. iwl_testmode_gnl_msg_policy is to be carried | |
85 | * through the NL80211_CMD_TESTMODE channel regulated by nl80211. | |
86 | * See iwl-testmode.h | |
87 | */ | |
88 | static | |
89 | struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { | |
90 | [IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, }, | |
91 | ||
92 | [IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, }, | |
93 | [IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, }, | |
94 | ||
95 | [IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, }, | |
96 | [IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, }, | |
97 | [IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, }, | |
98 | ||
99 | [IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, }, | |
100 | [IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, }, | |
7a4e5281 | 101 | |
4babc358 WYG |
102 | [IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, }, |
103 | ||
7a4e5281 | 104 | [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, }, |
eb64dca0 | 105 | [IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, }, |
49b72100 | 106 | [IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, }, |
7a4e5281 | 107 | |
6489854b | 108 | [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, }, |
49b72100 | 109 | |
e98a1939 | 110 | [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, }, |
306713fd HK |
111 | |
112 | [IWL_TM_ATTR_SRAM_ADDR] = { .type = NLA_U32, }, | |
113 | [IWL_TM_ATTR_SRAM_SIZE] = { .type = NLA_U32, }, | |
114 | [IWL_TM_ATTR_SRAM_DUMP] = { .type = NLA_UNSPEC, }, | |
e1a38fe1 HK |
115 | |
116 | [IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, }, | |
0bec12b8 | 117 | [IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, }, |
4613e72d CK |
118 | }; |
119 | ||
120 | /* | |
121 | * See the struct iwl_rx_packet in iwl-commands.h for the format of the | |
122 | * received events from the device | |
123 | */ | |
124 | static inline int get_event_length(struct iwl_rx_mem_buffer *rxb) | |
125 | { | |
126 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
127 | if (pkt) | |
128 | return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; | |
129 | else | |
130 | return 0; | |
131 | } | |
132 | ||
133 | ||
134 | /* | |
135 | * This function multicasts the spontaneous messages from the device to the | |
136 | * user space. It is invoked whenever there is a received messages | |
137 | * from the device. This function is called within the ISR of the rx handlers | |
138 | * in iwlagn driver. | |
139 | * | |
140 | * The parsing of the message content is left to the user space application, | |
141 | * The message content is treated as unattacked raw data and is encapsulated | |
142 | * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space. | |
143 | * | |
144 | * @priv: the instance of iwlwifi device | |
145 | * @rxb: pointer to rx data content received by the ISR | |
146 | * | |
147 | * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[]. | |
148 | * For the messages multicasting to the user application, the mandatory | |
149 | * TLV fields are : | |
150 | * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT | |
151 | * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content | |
152 | */ | |
153 | ||
154 | static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, | |
155 | struct iwl_rx_mem_buffer *rxb) | |
156 | { | |
157 | struct ieee80211_hw *hw = priv->hw; | |
158 | struct sk_buff *skb; | |
159 | void *data; | |
160 | int length; | |
161 | ||
162 | data = (void *)rxb_addr(rxb); | |
163 | length = get_event_length(rxb); | |
164 | ||
165 | if (!data || length == 0) | |
166 | return; | |
167 | ||
168 | skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length, | |
169 | GFP_ATOMIC); | |
170 | if (skb == NULL) { | |
171 | IWL_DEBUG_INFO(priv, | |
172 | "Run out of memory for messages to user space ?\n"); | |
173 | return; | |
174 | } | |
175 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); | |
176 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data); | |
177 | cfg80211_testmode_event(skb, GFP_ATOMIC); | |
178 | return; | |
179 | ||
180 | nla_put_failure: | |
181 | kfree_skb(skb); | |
182 | IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n"); | |
183 | } | |
184 | ||
185 | void iwl_testmode_init(struct iwl_priv *priv) | |
186 | { | |
187 | priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; | |
7a4e5281 | 188 | priv->testmode_trace.trace_enabled = false; |
306713fd HK |
189 | priv->testmode_sram.sram_readed = false; |
190 | } | |
191 | ||
6b5a26f5 | 192 | static void iwl_sram_cleanup(struct iwl_priv *priv) |
306713fd HK |
193 | { |
194 | if (priv->testmode_sram.sram_readed) { | |
195 | kfree(priv->testmode_sram.buff_addr); | |
196 | priv->testmode_sram.buff_addr = NULL; | |
197 | priv->testmode_sram.buff_size = 0; | |
198 | priv->testmode_sram.num_chunks = 0; | |
199 | priv->testmode_sram.sram_readed = false; | |
200 | } | |
7a4e5281 WYG |
201 | } |
202 | ||
203 | static void iwl_trace_cleanup(struct iwl_priv *priv) | |
204 | { | |
7a4e5281 WYG |
205 | if (priv->testmode_trace.trace_enabled) { |
206 | if (priv->testmode_trace.cpu_addr && | |
207 | priv->testmode_trace.dma_addr) | |
26bfc0cf | 208 | dma_free_coherent(bus(priv)->dev, |
49b72100 | 209 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
210 | priv->testmode_trace.cpu_addr, |
211 | priv->testmode_trace.dma_addr); | |
212 | priv->testmode_trace.trace_enabled = false; | |
213 | priv->testmode_trace.cpu_addr = NULL; | |
214 | priv->testmode_trace.trace_addr = NULL; | |
215 | priv->testmode_trace.dma_addr = 0; | |
49b72100 WYG |
216 | priv->testmode_trace.buff_size = 0; |
217 | priv->testmode_trace.total_size = 0; | |
7a4e5281 WYG |
218 | } |
219 | } | |
220 | ||
221 | ||
222 | void iwl_testmode_cleanup(struct iwl_priv *priv) | |
223 | { | |
224 | iwl_trace_cleanup(priv); | |
306713fd | 225 | iwl_sram_cleanup(priv); |
4613e72d CK |
226 | } |
227 | ||
228 | /* | |
229 | * This function handles the user application commands to the ucode. | |
230 | * | |
231 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and | |
232 | * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the | |
233 | * host command to the ucode. | |
234 | * | |
235 | * If any mandatory field is missing, -ENOMSG is replied to the user space | |
236 | * application; otherwise, the actual execution result of the host command to | |
237 | * ucode is replied. | |
238 | * | |
239 | * @hw: ieee80211_hw object that represents the device | |
240 | * @tb: gnl message fields from the user space | |
241 | */ | |
242 | static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) | |
243 | { | |
244 | struct iwl_priv *priv = hw->priv; | |
245 | struct iwl_host_cmd cmd; | |
246 | ||
247 | memset(&cmd, 0, sizeof(struct iwl_host_cmd)); | |
248 | ||
249 | if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] || | |
250 | !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) { | |
251 | IWL_DEBUG_INFO(priv, | |
252 | "Error finding ucode command mandatory fields\n"); | |
253 | return -ENOMSG; | |
254 | } | |
255 | ||
c7c1115b | 256 | cmd.flags = CMD_ON_DEMAND; |
4613e72d | 257 | cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]); |
3fa50738 JB |
258 | cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); |
259 | cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); | |
4ce7cc2b | 260 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
4613e72d | 261 | IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," |
3fa50738 | 262 | " len %d\n", cmd.id, cmd.flags, cmd.len[0]); |
4613e72d | 263 | /* ok, let's submit the command to ucode */ |
e6bb4c9c | 264 | return iwl_trans_send_cmd(trans(priv), &cmd); |
4613e72d CK |
265 | } |
266 | ||
267 | ||
268 | /* | |
269 | * This function handles the user application commands for register access. | |
270 | * | |
271 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
272 | * handlers respectively. | |
273 | * | |
274 | * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the | |
275 | * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32, | |
276 | * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating | |
277 | * the success of the command execution. | |
278 | * | |
279 | * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read | |
280 | * value is returned with IWL_TM_ATTR_REG_VALUE32. | |
281 | * | |
282 | * @hw: ieee80211_hw object that represents the device | |
283 | * @tb: gnl message fields from the user space | |
284 | */ | |
285 | static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) | |
286 | { | |
287 | struct iwl_priv *priv = hw->priv; | |
288 | u32 ofs, val32; | |
289 | u8 val8; | |
290 | struct sk_buff *skb; | |
291 | int status = 0; | |
292 | ||
293 | if (!tb[IWL_TM_ATTR_REG_OFFSET]) { | |
294 | IWL_DEBUG_INFO(priv, "Error finding register offset\n"); | |
295 | return -ENOMSG; | |
296 | } | |
297 | ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]); | |
298 | IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); | |
299 | ||
300 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
72bcacc2 | 301 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
c381be28 | 302 | val32 = iwl_read_direct32(bus(priv), ofs); |
4613e72d CK |
303 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); |
304 | ||
305 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
306 | if (!skb) { | |
307 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
308 | return -ENOMEM; | |
309 | } | |
310 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); | |
311 | status = cfg80211_testmode_reply(skb); | |
312 | if (status < 0) | |
313 | IWL_DEBUG_INFO(priv, | |
314 | "Error sending msg : %d\n", status); | |
315 | break; | |
72bcacc2 | 316 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: |
4613e72d CK |
317 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { |
318 | IWL_DEBUG_INFO(priv, | |
319 | "Error finding value to write\n"); | |
320 | return -ENOMSG; | |
321 | } else { | |
322 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); | |
323 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); | |
c381be28 | 324 | iwl_write_direct32(bus(priv), ofs, val32); |
4613e72d CK |
325 | } |
326 | break; | |
72bcacc2 | 327 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: |
4613e72d CK |
328 | if (!tb[IWL_TM_ATTR_REG_VALUE8]) { |
329 | IWL_DEBUG_INFO(priv, "Error finding value to write\n"); | |
330 | return -ENOMSG; | |
331 | } else { | |
332 | val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); | |
333 | IWL_INFO(priv, "8bit value to write 0x%x\n", val8); | |
83ed9015 | 334 | iwl_write8(bus(priv), ofs, val8); |
4613e72d CK |
335 | } |
336 | break; | |
72bcacc2 HK |
337 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: |
338 | val32 = iwl_read_prph(bus(priv), ofs); | |
339 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); | |
340 | ||
341 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
342 | if (!skb) { | |
343 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
344 | return -ENOMEM; | |
345 | } | |
346 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); | |
347 | status = cfg80211_testmode_reply(skb); | |
348 | if (status < 0) | |
349 | IWL_DEBUG_INFO(priv, | |
350 | "Error sending msg : %d\n", status); | |
351 | break; | |
352 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: | |
353 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { | |
354 | IWL_DEBUG_INFO(priv, | |
355 | "Error finding value to write\n"); | |
356 | return -ENOMSG; | |
357 | } else { | |
358 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); | |
359 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); | |
360 | iwl_write_prph(bus(priv), ofs, val32); | |
361 | } | |
362 | break; | |
4613e72d CK |
363 | default: |
364 | IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n"); | |
365 | return -ENOSYS; | |
366 | } | |
367 | ||
368 | return status; | |
369 | ||
370 | nla_put_failure: | |
371 | kfree_skb(skb); | |
372 | return -EMSGSIZE; | |
373 | } | |
374 | ||
375 | ||
376 | static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv) | |
377 | { | |
378 | struct iwl_notification_wait calib_wait; | |
379 | int ret; | |
380 | ||
dd5fe104 | 381 | iwl_init_notification_wait(priv->shrd, &calib_wait, |
4613e72d CK |
382 | CALIBRATION_COMPLETE_NOTIFICATION, |
383 | NULL, NULL); | |
69a679b0 | 384 | ret = iwl_init_alive_start(trans(priv)); |
4613e72d CK |
385 | if (ret) { |
386 | IWL_DEBUG_INFO(priv, | |
387 | "Error configuring init calibration: %d\n", ret); | |
388 | goto cfg_init_calib_error; | |
389 | } | |
390 | ||
dd5fe104 | 391 | ret = iwl_wait_notification(priv->shrd, &calib_wait, 2 * HZ); |
4613e72d CK |
392 | if (ret) |
393 | IWL_DEBUG_INFO(priv, "Error detecting" | |
394 | " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret); | |
395 | return ret; | |
396 | ||
397 | cfg_init_calib_error: | |
dd5fe104 | 398 | iwl_remove_notification(priv->shrd, &calib_wait); |
4613e72d CK |
399 | return ret; |
400 | } | |
401 | ||
402 | /* | |
403 | * This function handles the user application commands for driver. | |
404 | * | |
405 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
406 | * handlers respectively. | |
407 | * | |
408 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
409 | * value of the actual command execution is replied to the user application. | |
410 | * | |
411 | * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP | |
412 | * is used for carry the message while IWL_TM_ATTR_COMMAND must set to | |
413 | * IWL_TM_CMD_DEV2APP_SYNC_RSP. | |
414 | * | |
415 | * @hw: ieee80211_hw object that represents the device | |
416 | * @tb: gnl message fields from the user space | |
417 | */ | |
418 | static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) | |
419 | { | |
420 | struct iwl_priv *priv = hw->priv; | |
69a679b0 | 421 | struct iwl_trans *trans = trans(priv); |
4613e72d CK |
422 | struct sk_buff *skb; |
423 | unsigned char *rsp_data_ptr = NULL; | |
424 | int status = 0, rsp_data_len = 0; | |
fb6c1c6c | 425 | u32 devid; |
4613e72d CK |
426 | |
427 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
428 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
38622419 DF |
429 | rsp_data_ptr = (unsigned char *)cfg(priv)->name; |
430 | rsp_data_len = strlen(cfg(priv)->name); | |
4613e72d CK |
431 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
432 | rsp_data_len + 20); | |
433 | if (!skb) { | |
434 | IWL_DEBUG_INFO(priv, | |
435 | "Error allocating memory\n"); | |
436 | return -ENOMEM; | |
437 | } | |
438 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
439 | IWL_TM_CMD_DEV2APP_SYNC_RSP); | |
440 | NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP, | |
441 | rsp_data_len, rsp_data_ptr); | |
442 | status = cfg80211_testmode_reply(skb); | |
443 | if (status < 0) | |
444 | IWL_DEBUG_INFO(priv, "Error sending msg : %d\n", | |
445 | status); | |
446 | break; | |
447 | ||
448 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
69a679b0 | 449 | status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_INIT); |
4613e72d CK |
450 | if (status) |
451 | IWL_DEBUG_INFO(priv, | |
452 | "Error loading init ucode: %d\n", status); | |
453 | break; | |
454 | ||
455 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
456 | iwl_testmode_cfg_init_calib(priv); | |
69a679b0 | 457 | iwl_trans_stop_device(trans); |
4613e72d CK |
458 | break; |
459 | ||
460 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
69a679b0 | 461 | status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_REGULAR); |
4613e72d CK |
462 | if (status) { |
463 | IWL_DEBUG_INFO(priv, | |
464 | "Error loading runtime ucode: %d\n", status); | |
465 | break; | |
466 | } | |
467 | status = iwl_alive_start(priv); | |
468 | if (status) | |
469 | IWL_DEBUG_INFO(priv, | |
470 | "Error starting the device: %d\n", status); | |
471 | break; | |
472 | ||
d4af19fe HK |
473 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
474 | iwl_scan_cancel_timeout(priv, 200); | |
69a679b0 DF |
475 | iwl_trans_stop_device(trans); |
476 | status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_WOWLAN); | |
d4af19fe HK |
477 | if (status) { |
478 | IWL_DEBUG_INFO(priv, | |
479 | "Error loading WOWLAN ucode: %d\n", status); | |
480 | break; | |
481 | } | |
482 | status = iwl_alive_start(priv); | |
483 | if (status) | |
484 | IWL_DEBUG_INFO(priv, | |
485 | "Error starting the device: %d\n", status); | |
486 | break; | |
487 | ||
4babc358 | 488 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
ab36eab2 | 489 | if (priv->shrd->eeprom) { |
4babc358 | 490 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
38622419 | 491 | cfg(priv)->base_params->eeprom_size + 20); |
4babc358 WYG |
492 | if (!skb) { |
493 | IWL_DEBUG_INFO(priv, | |
494 | "Error allocating memory\n"); | |
495 | return -ENOMEM; | |
496 | } | |
497 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, | |
498 | IWL_TM_CMD_DEV2APP_EEPROM_RSP); | |
499 | NLA_PUT(skb, IWL_TM_ATTR_EEPROM, | |
38622419 | 500 | cfg(priv)->base_params->eeprom_size, |
ab36eab2 | 501 | priv->shrd->eeprom); |
4babc358 WYG |
502 | status = cfg80211_testmode_reply(skb); |
503 | if (status < 0) | |
504 | IWL_DEBUG_INFO(priv, | |
505 | "Error sending msg : %d\n", | |
506 | status); | |
507 | } else | |
508 | return -EFAULT; | |
509 | break; | |
510 | ||
6489854b WYG |
511 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
512 | if (!tb[IWL_TM_ATTR_FIXRATE]) { | |
513 | IWL_DEBUG_INFO(priv, | |
514 | "Error finding fixrate setting\n"); | |
515 | return -ENOMSG; | |
516 | } | |
4e308119 | 517 | priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); |
6489854b WYG |
518 | break; |
519 | ||
e1a38fe1 HK |
520 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
521 | IWL_INFO(priv, "uCode version raw: 0x%x\n", priv->ucode_ver); | |
522 | ||
523 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
524 | if (!skb) { | |
525 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
526 | return -ENOMEM; | |
527 | } | |
528 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, priv->ucode_ver); | |
529 | status = cfg80211_testmode_reply(skb); | |
530 | if (status < 0) | |
531 | IWL_DEBUG_INFO(priv, | |
532 | "Error sending msg : %d\n", status); | |
533 | break; | |
534 | ||
0bec12b8 | 535 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
fb6c1c6c WYG |
536 | devid = bus_get_hw_id(bus(priv)); |
537 | IWL_INFO(priv, "hw version: 0x%x\n", devid); | |
0bec12b8 HK |
538 | |
539 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); | |
540 | if (!skb) { | |
541 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
542 | return -ENOMEM; | |
543 | } | |
544 | NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid); | |
545 | status = cfg80211_testmode_reply(skb); | |
546 | if (status < 0) | |
547 | IWL_DEBUG_INFO(priv, | |
548 | "Error sending msg : %d\n", status); | |
549 | break; | |
550 | ||
4613e72d CK |
551 | default: |
552 | IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n"); | |
553 | return -ENOSYS; | |
554 | } | |
555 | return status; | |
556 | ||
557 | nla_put_failure: | |
558 | kfree_skb(skb); | |
559 | return -EMSGSIZE; | |
560 | } | |
561 | ||
7a4e5281 WYG |
562 | |
563 | /* | |
564 | * This function handles the user application commands for uCode trace | |
565 | * | |
566 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the | |
567 | * handlers respectively. | |
568 | * | |
569 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned | |
570 | * value of the actual command execution is replied to the user application. | |
571 | * | |
572 | * @hw: ieee80211_hw object that represents the device | |
573 | * @tb: gnl message fields from the user space | |
574 | */ | |
575 | static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) | |
576 | { | |
577 | struct iwl_priv *priv = hw->priv; | |
578 | struct sk_buff *skb; | |
579 | int status = 0; | |
26bfc0cf | 580 | struct device *dev = bus(priv)->dev; |
7a4e5281 WYG |
581 | |
582 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
583 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
584 | if (priv->testmode_trace.trace_enabled) | |
585 | return -EBUSY; | |
586 | ||
49b72100 WYG |
587 | if (!tb[IWL_TM_ATTR_TRACE_SIZE]) |
588 | priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF; | |
589 | else | |
590 | priv->testmode_trace.buff_size = | |
591 | nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]); | |
592 | if (!priv->testmode_trace.buff_size) | |
593 | return -EINVAL; | |
594 | if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN || | |
595 | priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX) | |
596 | return -EINVAL; | |
597 | ||
598 | priv->testmode_trace.total_size = | |
599 | priv->testmode_trace.buff_size + TRACE_BUFF_PADD; | |
7a4e5281 WYG |
600 | priv->testmode_trace.cpu_addr = |
601 | dma_alloc_coherent(dev, | |
49b72100 | 602 | priv->testmode_trace.total_size, |
7a4e5281 WYG |
603 | &priv->testmode_trace.dma_addr, |
604 | GFP_KERNEL); | |
605 | if (!priv->testmode_trace.cpu_addr) | |
606 | return -ENOMEM; | |
607 | priv->testmode_trace.trace_enabled = true; | |
608 | priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN( | |
609 | priv->testmode_trace.cpu_addr, 0x100); | |
610 | memset(priv->testmode_trace.trace_addr, 0x03B, | |
49b72100 | 611 | priv->testmode_trace.buff_size); |
7a4e5281 WYG |
612 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
613 | sizeof(priv->testmode_trace.dma_addr) + 20); | |
614 | if (!skb) { | |
615 | IWL_DEBUG_INFO(priv, | |
616 | "Error allocating memory\n"); | |
617 | iwl_trace_cleanup(priv); | |
618 | return -ENOMEM; | |
619 | } | |
620 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR, | |
621 | sizeof(priv->testmode_trace.dma_addr), | |
622 | (u64 *)&priv->testmode_trace.dma_addr); | |
623 | status = cfg80211_testmode_reply(skb); | |
624 | if (status < 0) { | |
625 | IWL_DEBUG_INFO(priv, | |
626 | "Error sending msg : %d\n", | |
627 | status); | |
628 | } | |
eb64dca0 WYG |
629 | priv->testmode_trace.num_chunks = |
630 | DIV_ROUND_UP(priv->testmode_trace.buff_size, | |
e056a653 | 631 | DUMP_CHUNK_SIZE); |
7a4e5281 WYG |
632 | break; |
633 | ||
634 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
635 | iwl_trace_cleanup(priv); | |
636 | break; | |
7a4e5281 WYG |
637 | default: |
638 | IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n"); | |
639 | return -ENOSYS; | |
640 | } | |
641 | return status; | |
642 | ||
643 | nla_put_failure: | |
644 | kfree_skb(skb); | |
645 | if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) == | |
646 | IWL_TM_CMD_APP2DEV_BEGIN_TRACE) | |
647 | iwl_trace_cleanup(priv); | |
648 | return -EMSGSIZE; | |
649 | } | |
650 | ||
eb64dca0 WYG |
651 | static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb, |
652 | struct sk_buff *skb, | |
653 | struct netlink_callback *cb) | |
654 | { | |
655 | struct iwl_priv *priv = hw->priv; | |
656 | int idx, length; | |
657 | ||
658 | if (priv->testmode_trace.trace_enabled && | |
659 | priv->testmode_trace.trace_addr) { | |
660 | idx = cb->args[4]; | |
661 | if (idx >= priv->testmode_trace.num_chunks) | |
662 | return -ENOENT; | |
e056a653 | 663 | length = DUMP_CHUNK_SIZE; |
eb64dca0 | 664 | if (((idx + 1) == priv->testmode_trace.num_chunks) && |
e056a653 | 665 | (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE)) |
eb64dca0 | 666 | length = priv->testmode_trace.buff_size % |
e056a653 | 667 | DUMP_CHUNK_SIZE; |
eb64dca0 WYG |
668 | |
669 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length, | |
670 | priv->testmode_trace.trace_addr + | |
e056a653 | 671 | (DUMP_CHUNK_SIZE * idx)); |
eb64dca0 WYG |
672 | idx++; |
673 | cb->args[4] = idx; | |
674 | return 0; | |
675 | } else | |
676 | return -EFAULT; | |
677 | ||
678 | nla_put_failure: | |
679 | return -ENOBUFS; | |
680 | } | |
681 | ||
e98a1939 WYG |
682 | /* |
683 | * This function handles the user application switch ucode ownership. | |
684 | * | |
685 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and | |
686 | * decide who the current owner of the uCode | |
687 | * | |
688 | * If the current owner is OWNERSHIP_TM, then the only host command | |
689 | * can deliver to uCode is from testmode, all the other host commands | |
690 | * will dropped. | |
691 | * | |
692 | * default driver is the owner of uCode in normal operational mode | |
693 | * | |
694 | * @hw: ieee80211_hw object that represents the device | |
695 | * @tb: gnl message fields from the user space | |
696 | */ | |
697 | static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) | |
698 | { | |
699 | struct iwl_priv *priv = hw->priv; | |
700 | u8 owner; | |
701 | ||
702 | if (!tb[IWL_TM_ATTR_UCODE_OWNER]) { | |
703 | IWL_DEBUG_INFO(priv, "Error finding ucode owner\n"); | |
704 | return -ENOMSG; | |
705 | } | |
706 | ||
707 | owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); | |
708 | if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) | |
fd656935 | 709 | priv->shrd->ucode_owner = owner; |
e98a1939 WYG |
710 | else { |
711 | IWL_DEBUG_INFO(priv, "Invalid owner\n"); | |
712 | return -EINVAL; | |
713 | } | |
714 | return 0; | |
715 | } | |
716 | ||
306713fd HK |
717 | /* |
718 | * This function handles the user application commands for SRAM data dump | |
719 | * | |
720 | * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and | |
721 | * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading | |
722 | * | |
723 | * Several error will be retured, -EBUSY if the SRAM data retrieved by | |
724 | * previous command has not been delivered to userspace, or -ENOMSG if | |
725 | * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE) | |
726 | * are missing, or -ENOMEM if the buffer allocation fails. | |
727 | * | |
728 | * Otherwise 0 is replied indicating the success of the SRAM reading. | |
729 | * | |
730 | * @hw: ieee80211_hw object that represents the device | |
731 | * @tb: gnl message fields from the user space | |
732 | */ | |
733 | static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb) | |
734 | { | |
735 | struct iwl_priv *priv = hw->priv; | |
76de2f29 | 736 | u32 base, ofs, size, maxsize; |
306713fd HK |
737 | |
738 | if (priv->testmode_sram.sram_readed) | |
739 | return -EBUSY; | |
740 | ||
741 | if (!tb[IWL_TM_ATTR_SRAM_ADDR]) { | |
742 | IWL_DEBUG_INFO(priv, "Error finding SRAM offset address\n"); | |
743 | return -ENOMSG; | |
744 | } | |
745 | ofs = nla_get_u32(tb[IWL_TM_ATTR_SRAM_ADDR]); | |
746 | if (!tb[IWL_TM_ATTR_SRAM_SIZE]) { | |
747 | IWL_DEBUG_INFO(priv, "Error finding size for SRAM reading\n"); | |
748 | return -ENOMSG; | |
749 | } | |
750 | size = nla_get_u32(tb[IWL_TM_ATTR_SRAM_SIZE]); | |
3d6acefc | 751 | switch (priv->shrd->ucode_type) { |
76de2f29 KH |
752 | case IWL_UCODE_REGULAR: |
753 | maxsize = trans(priv)->ucode_rt.data.len; | |
754 | break; | |
755 | case IWL_UCODE_INIT: | |
756 | maxsize = trans(priv)->ucode_init.data.len; | |
757 | break; | |
758 | case IWL_UCODE_WOWLAN: | |
759 | maxsize = trans(priv)->ucode_wowlan.data.len; | |
760 | break; | |
761 | case IWL_UCODE_NONE: | |
762 | IWL_DEBUG_INFO(priv, "Error, uCode does not been loaded\n"); | |
763 | return -ENOSYS; | |
764 | default: | |
765 | IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n"); | |
766 | return -ENOSYS; | |
767 | } | |
768 | if ((ofs + size) > maxsize) { | |
769 | IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n"); | |
770 | return -EINVAL; | |
771 | } | |
306713fd HK |
772 | priv->testmode_sram.buff_size = (size / 4) * 4; |
773 | priv->testmode_sram.buff_addr = | |
774 | kmalloc(priv->testmode_sram.buff_size, GFP_KERNEL); | |
775 | if (priv->testmode_sram.buff_addr == NULL) { | |
776 | IWL_DEBUG_INFO(priv, "Error allocating memory\n"); | |
777 | return -ENOMEM; | |
778 | } | |
779 | base = 0x800000; | |
780 | _iwl_read_targ_mem_words(bus(priv), base + ofs, | |
781 | priv->testmode_sram.buff_addr, | |
782 | priv->testmode_sram.buff_size / 4); | |
783 | priv->testmode_sram.num_chunks = | |
e056a653 | 784 | DIV_ROUND_UP(priv->testmode_sram.buff_size, DUMP_CHUNK_SIZE); |
306713fd HK |
785 | priv->testmode_sram.sram_readed = true; |
786 | return 0; | |
787 | } | |
788 | ||
789 | static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb, | |
790 | struct sk_buff *skb, | |
791 | struct netlink_callback *cb) | |
792 | { | |
793 | struct iwl_priv *priv = hw->priv; | |
794 | int idx, length; | |
795 | ||
796 | if (priv->testmode_sram.sram_readed) { | |
797 | idx = cb->args[4]; | |
798 | if (idx >= priv->testmode_sram.num_chunks) { | |
799 | iwl_sram_cleanup(priv); | |
800 | return -ENOENT; | |
801 | } | |
e056a653 | 802 | length = DUMP_CHUNK_SIZE; |
306713fd | 803 | if (((idx + 1) == priv->testmode_sram.num_chunks) && |
e056a653 | 804 | (priv->testmode_sram.buff_size % DUMP_CHUNK_SIZE)) |
306713fd | 805 | length = priv->testmode_sram.buff_size % |
e056a653 | 806 | DUMP_CHUNK_SIZE; |
306713fd HK |
807 | |
808 | NLA_PUT(skb, IWL_TM_ATTR_SRAM_DUMP, length, | |
809 | priv->testmode_sram.buff_addr + | |
e056a653 | 810 | (DUMP_CHUNK_SIZE * idx)); |
306713fd HK |
811 | idx++; |
812 | cb->args[4] = idx; | |
813 | return 0; | |
814 | } else | |
815 | return -EFAULT; | |
816 | ||
817 | nla_put_failure: | |
818 | return -ENOBUFS; | |
819 | } | |
820 | ||
e98a1939 | 821 | |
4613e72d CK |
822 | /* The testmode gnl message handler that takes the gnl message from the |
823 | * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then | |
824 | * invoke the corresponding handlers. | |
825 | * | |
826 | * This function is invoked when there is user space application sending | |
827 | * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated | |
828 | * by nl80211. | |
829 | * | |
830 | * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before | |
831 | * dispatching it to the corresponding handler. | |
832 | * | |
833 | * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application; | |
834 | * -ENOSYS is replied to the user application if the command is unknown; | |
835 | * Otherwise, the command is dispatched to the respective handler. | |
836 | * | |
837 | * @hw: ieee80211_hw object that represents the device | |
838 | * @data: pointer to user space message | |
839 | * @len: length in byte of @data | |
840 | */ | |
ade4c649 | 841 | int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) |
4613e72d | 842 | { |
a6779278 | 843 | struct nlattr *tb[IWL_TM_ATTR_MAX]; |
4613e72d CK |
844 | struct iwl_priv *priv = hw->priv; |
845 | int result; | |
846 | ||
847 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
848 | iwl_testmode_gnl_msg_policy); | |
849 | if (result != 0) { | |
850 | IWL_DEBUG_INFO(priv, | |
851 | "Error parsing the gnl message : %d\n", result); | |
852 | return result; | |
853 | } | |
854 | ||
855 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
856 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
857 | IWL_DEBUG_INFO(priv, "Error finding testmode command type\n"); | |
858 | return -ENOMSG; | |
859 | } | |
860 | /* in case multiple accesses to the device happens */ | |
6ac2f839 | 861 | mutex_lock(&priv->shrd->mutex); |
4613e72d CK |
862 | |
863 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { | |
864 | case IWL_TM_CMD_APP2DEV_UCODE: | |
865 | IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n"); | |
866 | result = iwl_testmode_ucode(hw, tb); | |
867 | break; | |
72bcacc2 HK |
868 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
869 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: | |
870 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: | |
871 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: | |
872 | case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: | |
4613e72d CK |
873 | IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); |
874 | result = iwl_testmode_reg(hw, tb); | |
875 | break; | |
876 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: | |
877 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: | |
878 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: | |
879 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: | |
4babc358 | 880 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
6489854b | 881 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
d4af19fe | 882 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
e1a38fe1 | 883 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
0bec12b8 | 884 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
4613e72d CK |
885 | IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); |
886 | result = iwl_testmode_driver(hw, tb); | |
887 | break; | |
7a4e5281 WYG |
888 | |
889 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: | |
890 | case IWL_TM_CMD_APP2DEV_END_TRACE: | |
891 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
892 | IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n"); | |
893 | result = iwl_testmode_trace(hw, tb); | |
894 | break; | |
895 | ||
e98a1939 WYG |
896 | case IWL_TM_CMD_APP2DEV_OWNERSHIP: |
897 | IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n"); | |
898 | result = iwl_testmode_ownership(hw, tb); | |
899 | break; | |
900 | ||
306713fd HK |
901 | case IWL_TM_CMD_APP2DEV_READ_SRAM: |
902 | IWL_DEBUG_INFO(priv, "testmode sram read cmd to driver\n"); | |
903 | result = iwl_testmode_sram(hw, tb); | |
904 | break; | |
905 | ||
4613e72d CK |
906 | default: |
907 | IWL_DEBUG_INFO(priv, "Unknown testmode command\n"); | |
908 | result = -ENOSYS; | |
909 | break; | |
910 | } | |
911 | ||
6ac2f839 | 912 | mutex_unlock(&priv->shrd->mutex); |
4613e72d CK |
913 | return result; |
914 | } | |
eb64dca0 | 915 | |
ade4c649 | 916 | int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, |
eb64dca0 WYG |
917 | struct netlink_callback *cb, |
918 | void *data, int len) | |
919 | { | |
920 | struct nlattr *tb[IWL_TM_ATTR_MAX]; | |
921 | struct iwl_priv *priv = hw->priv; | |
922 | int result; | |
923 | u32 cmd; | |
924 | ||
925 | if (cb->args[3]) { | |
926 | /* offset by 1 since commands start at 0 */ | |
927 | cmd = cb->args[3] - 1; | |
928 | } else { | |
929 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, | |
930 | iwl_testmode_gnl_msg_policy); | |
931 | if (result) { | |
932 | IWL_DEBUG_INFO(priv, | |
933 | "Error parsing the gnl message : %d\n", result); | |
934 | return result; | |
935 | } | |
936 | ||
937 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ | |
938 | if (!tb[IWL_TM_ATTR_COMMAND]) { | |
939 | IWL_DEBUG_INFO(priv, | |
940 | "Error finding testmode command type\n"); | |
941 | return -ENOMSG; | |
942 | } | |
943 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); | |
944 | cb->args[3] = cmd + 1; | |
945 | } | |
946 | ||
947 | /* in case multiple accesses to the device happens */ | |
6ac2f839 | 948 | mutex_lock(&priv->shrd->mutex); |
eb64dca0 WYG |
949 | switch (cmd) { |
950 | case IWL_TM_CMD_APP2DEV_READ_TRACE: | |
951 | IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); | |
952 | result = iwl_testmode_trace_dump(hw, tb, skb, cb); | |
953 | break; | |
306713fd HK |
954 | case IWL_TM_CMD_APP2DEV_DUMP_SRAM: |
955 | IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n"); | |
956 | result = iwl_testmode_sram_dump(hw, tb, skb, cb); | |
957 | break; | |
eb64dca0 WYG |
958 | default: |
959 | result = -EINVAL; | |
960 | break; | |
961 | } | |
962 | ||
6ac2f839 | 963 | mutex_unlock(&priv->shrd->mutex); |
eb64dca0 WYG |
964 | return result; |
965 | } |