1 /******************************************************************************
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.
8 * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved.
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.
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.
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,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
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
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.
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,
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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.
62 *****************************************************************************/
63 #include <linux/init.h>
64 #include <linux/kernel.h>
65 #include <linux/module.h>
66 #include <net/net_namespace.h>
67 #include <linux/netdevice.h>
68 #include <net/cfg80211.h>
69 #include <net/mac80211.h>
70 #include <net/netlink.h>
74 #include "iwl-debug.h"
77 #include "iwl-testmode.h"
78 #include "iwl-trans.h"
80 /* The TLVs used in the gnl message policy between the kernel module and
81 * user space application. iwl_testmode_gnl_msg_policy is to be carried
82 * through the NL80211_CMD_TESTMODE channel regulated by nl80211.
86 struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
87 [IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, },
89 [IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, },
90 [IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, },
92 [IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, },
93 [IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, },
94 [IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, },
96 [IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, },
97 [IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, },
99 [IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, },
101 [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, },
102 [IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, },
103 [IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, },
105 [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, },
107 [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, },
111 * See the struct iwl_rx_packet in iwl-commands.h for the format of the
112 * received events from the device
114 static inline int get_event_length(struct iwl_rx_mem_buffer *rxb)
116 struct iwl_rx_packet *pkt = rxb_addr(rxb);
118 return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
125 * This function multicasts the spontaneous messages from the device to the
126 * user space. It is invoked whenever there is a received messages
127 * from the device. This function is called within the ISR of the rx handlers
130 * The parsing of the message content is left to the user space application,
131 * The message content is treated as unattacked raw data and is encapsulated
132 * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
134 * @priv: the instance of iwlwifi device
135 * @rxb: pointer to rx data content received by the ISR
137 * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
138 * For the messages multicasting to the user application, the mandatory
140 * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
141 * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
144 static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
145 struct iwl_rx_mem_buffer *rxb)
147 struct ieee80211_hw *hw = priv->hw;
152 data = (void *)rxb_addr(rxb);
153 length = get_event_length(rxb);
155 if (!data || length == 0)
158 skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
162 "Run out of memory for messages to user space ?\n");
165 NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT);
166 NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data);
167 cfg80211_testmode_event(skb, GFP_ATOMIC);
172 IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n");
175 void iwl_testmode_init(struct iwl_priv *priv)
177 priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
178 priv->testmode_trace.trace_enabled = false;
181 static void iwl_trace_cleanup(struct iwl_priv *priv)
183 if (priv->testmode_trace.trace_enabled) {
184 if (priv->testmode_trace.cpu_addr &&
185 priv->testmode_trace.dma_addr)
186 dma_free_coherent(priv->bus->dev,
187 priv->testmode_trace.total_size,
188 priv->testmode_trace.cpu_addr,
189 priv->testmode_trace.dma_addr);
190 priv->testmode_trace.trace_enabled = false;
191 priv->testmode_trace.cpu_addr = NULL;
192 priv->testmode_trace.trace_addr = NULL;
193 priv->testmode_trace.dma_addr = 0;
194 priv->testmode_trace.buff_size = 0;
195 priv->testmode_trace.total_size = 0;
200 void iwl_testmode_cleanup(struct iwl_priv *priv)
202 iwl_trace_cleanup(priv);
206 * This function handles the user application commands to the ucode.
208 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
209 * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
210 * host command to the ucode.
212 * If any mandatory field is missing, -ENOMSG is replied to the user space
213 * application; otherwise, the actual execution result of the host command to
216 * @hw: ieee80211_hw object that represents the device
217 * @tb: gnl message fields from the user space
219 static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
221 struct iwl_priv *priv = hw->priv;
222 struct iwl_host_cmd cmd;
224 memset(&cmd, 0, sizeof(struct iwl_host_cmd));
226 if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
227 !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
229 "Error finding ucode command mandatory fields\n");
233 cmd.flags = CMD_ON_DEMAND;
234 cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
235 cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
236 cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
237 cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
238 IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
239 " len %d\n", cmd.id, cmd.flags, cmd.len[0]);
240 /* ok, let's submit the command to ucode */
241 return iwl_trans_send_cmd(trans(priv), &cmd);
246 * This function handles the user application commands for register access.
248 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
249 * handlers respectively.
251 * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
252 * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
253 * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
254 * the success of the command execution.
256 * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
257 * value is returned with IWL_TM_ATTR_REG_VALUE32.
259 * @hw: ieee80211_hw object that represents the device
260 * @tb: gnl message fields from the user space
262 static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
264 struct iwl_priv *priv = hw->priv;
270 if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
271 IWL_DEBUG_INFO(priv, "Error finding register offset\n");
274 ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
275 IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);
277 switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
278 case IWL_TM_CMD_APP2DEV_REG_READ32:
279 val32 = iwl_read32(bus(priv), ofs);
280 IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
282 skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
284 IWL_DEBUG_INFO(priv, "Error allocating memory\n");
287 NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
288 status = cfg80211_testmode_reply(skb);
291 "Error sending msg : %d\n", status);
293 case IWL_TM_CMD_APP2DEV_REG_WRITE32:
294 if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
296 "Error finding value to write\n");
299 val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
300 IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
301 iwl_write32(bus(priv), ofs, val32);
304 case IWL_TM_CMD_APP2DEV_REG_WRITE8:
305 if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
306 IWL_DEBUG_INFO(priv, "Error finding value to write\n");
309 val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
310 IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
311 iwl_write8(bus(priv), ofs, val8);
315 IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n");
327 static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
329 struct iwl_notification_wait calib_wait;
332 iwlagn_init_notification_wait(priv, &calib_wait,
333 CALIBRATION_COMPLETE_NOTIFICATION,
335 ret = iwlagn_init_alive_start(priv);
338 "Error configuring init calibration: %d\n", ret);
339 goto cfg_init_calib_error;
342 ret = iwlagn_wait_notification(priv, &calib_wait, 2 * HZ);
344 IWL_DEBUG_INFO(priv, "Error detecting"
345 " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
348 cfg_init_calib_error:
349 iwlagn_remove_notification(priv, &calib_wait);
354 * This function handles the user application commands for driver.
356 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
357 * handlers respectively.
359 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
360 * value of the actual command execution is replied to the user application.
362 * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
363 * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
364 * IWL_TM_CMD_DEV2APP_SYNC_RSP.
366 * @hw: ieee80211_hw object that represents the device
367 * @tb: gnl message fields from the user space
369 static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
371 struct iwl_priv *priv = hw->priv;
373 unsigned char *rsp_data_ptr = NULL;
374 int status = 0, rsp_data_len = 0;
376 switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
377 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
378 rsp_data_ptr = (unsigned char *)priv->cfg->name;
379 rsp_data_len = strlen(priv->cfg->name);
380 skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
384 "Error allocating memory\n");
387 NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
388 IWL_TM_CMD_DEV2APP_SYNC_RSP);
389 NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
390 rsp_data_len, rsp_data_ptr);
391 status = cfg80211_testmode_reply(skb);
393 IWL_DEBUG_INFO(priv, "Error sending msg : %d\n",
397 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
398 status = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_init,
402 "Error loading init ucode: %d\n", status);
405 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
406 iwl_testmode_cfg_init_calib(priv);
407 iwl_trans_stop_device(trans(priv));
410 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
411 status = iwlagn_load_ucode_wait_alive(priv,
416 "Error loading runtime ucode: %d\n", status);
419 status = iwl_alive_start(priv);
422 "Error starting the device: %d\n", status);
425 case IWL_TM_CMD_APP2DEV_GET_EEPROM:
427 skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
428 priv->cfg->base_params->eeprom_size + 20);
431 "Error allocating memory\n");
434 NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
435 IWL_TM_CMD_DEV2APP_EEPROM_RSP);
436 NLA_PUT(skb, IWL_TM_ATTR_EEPROM,
437 priv->cfg->base_params->eeprom_size,
439 status = cfg80211_testmode_reply(skb);
442 "Error sending msg : %d\n",
448 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
449 if (!tb[IWL_TM_ATTR_FIXRATE]) {
451 "Error finding fixrate setting\n");
454 priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
458 IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
470 * This function handles the user application commands for uCode trace
472 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
473 * handlers respectively.
475 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
476 * value of the actual command execution is replied to the user application.
478 * @hw: ieee80211_hw object that represents the device
479 * @tb: gnl message fields from the user space
481 static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
483 struct iwl_priv *priv = hw->priv;
486 struct device *dev = priv->bus->dev;
488 switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
489 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
490 if (priv->testmode_trace.trace_enabled)
493 if (!tb[IWL_TM_ATTR_TRACE_SIZE])
494 priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF;
496 priv->testmode_trace.buff_size =
497 nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
498 if (!priv->testmode_trace.buff_size)
500 if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN ||
501 priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX)
504 priv->testmode_trace.total_size =
505 priv->testmode_trace.buff_size + TRACE_BUFF_PADD;
506 priv->testmode_trace.cpu_addr =
507 dma_alloc_coherent(dev,
508 priv->testmode_trace.total_size,
509 &priv->testmode_trace.dma_addr,
511 if (!priv->testmode_trace.cpu_addr)
513 priv->testmode_trace.trace_enabled = true;
514 priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN(
515 priv->testmode_trace.cpu_addr, 0x100);
516 memset(priv->testmode_trace.trace_addr, 0x03B,
517 priv->testmode_trace.buff_size);
518 skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
519 sizeof(priv->testmode_trace.dma_addr) + 20);
522 "Error allocating memory\n");
523 iwl_trace_cleanup(priv);
526 NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR,
527 sizeof(priv->testmode_trace.dma_addr),
528 (u64 *)&priv->testmode_trace.dma_addr);
529 status = cfg80211_testmode_reply(skb);
532 "Error sending msg : %d\n",
535 priv->testmode_trace.num_chunks =
536 DIV_ROUND_UP(priv->testmode_trace.buff_size,
540 case IWL_TM_CMD_APP2DEV_END_TRACE:
541 iwl_trace_cleanup(priv);
544 IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n");
551 if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
552 IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
553 iwl_trace_cleanup(priv);
557 static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb,
559 struct netlink_callback *cb)
561 struct iwl_priv *priv = hw->priv;
564 if (priv->testmode_trace.trace_enabled &&
565 priv->testmode_trace.trace_addr) {
567 if (idx >= priv->testmode_trace.num_chunks)
569 length = TRACE_CHUNK_SIZE;
570 if (((idx + 1) == priv->testmode_trace.num_chunks) &&
571 (priv->testmode_trace.buff_size % TRACE_CHUNK_SIZE))
572 length = priv->testmode_trace.buff_size %
575 NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length,
576 priv->testmode_trace.trace_addr +
577 (TRACE_CHUNK_SIZE * idx));
589 * This function handles the user application switch ucode ownership.
591 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and
592 * decide who the current owner of the uCode
594 * If the current owner is OWNERSHIP_TM, then the only host command
595 * can deliver to uCode is from testmode, all the other host commands
598 * default driver is the owner of uCode in normal operational mode
600 * @hw: ieee80211_hw object that represents the device
601 * @tb: gnl message fields from the user space
603 static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
605 struct iwl_priv *priv = hw->priv;
608 if (!tb[IWL_TM_ATTR_UCODE_OWNER]) {
609 IWL_DEBUG_INFO(priv, "Error finding ucode owner\n");
613 owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]);
614 if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM))
615 priv->shrd->ucode_owner = owner;
617 IWL_DEBUG_INFO(priv, "Invalid owner\n");
624 /* The testmode gnl message handler that takes the gnl message from the
625 * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
626 * invoke the corresponding handlers.
628 * This function is invoked when there is user space application sending
629 * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
632 * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
633 * dispatching it to the corresponding handler.
635 * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
636 * -ENOSYS is replied to the user application if the command is unknown;
637 * Otherwise, the command is dispatched to the respective handler.
639 * @hw: ieee80211_hw object that represents the device
640 * @data: pointer to user space message
641 * @len: length in byte of @data
643 int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
645 struct nlattr *tb[IWL_TM_ATTR_MAX];
646 struct iwl_priv *priv = hw->priv;
649 result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
650 iwl_testmode_gnl_msg_policy);
653 "Error parsing the gnl message : %d\n", result);
657 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
658 if (!tb[IWL_TM_ATTR_COMMAND]) {
659 IWL_DEBUG_INFO(priv, "Error finding testmode command type\n");
662 /* in case multiple accesses to the device happens */
663 mutex_lock(&priv->shrd->mutex);
665 switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
666 case IWL_TM_CMD_APP2DEV_UCODE:
667 IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n");
668 result = iwl_testmode_ucode(hw, tb);
670 case IWL_TM_CMD_APP2DEV_REG_READ32:
671 case IWL_TM_CMD_APP2DEV_REG_WRITE32:
672 case IWL_TM_CMD_APP2DEV_REG_WRITE8:
673 IWL_DEBUG_INFO(priv, "testmode cmd to register\n");
674 result = iwl_testmode_reg(hw, tb);
676 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
677 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
678 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
679 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
680 case IWL_TM_CMD_APP2DEV_GET_EEPROM:
681 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
682 IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
683 result = iwl_testmode_driver(hw, tb);
686 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
687 case IWL_TM_CMD_APP2DEV_END_TRACE:
688 case IWL_TM_CMD_APP2DEV_READ_TRACE:
689 IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n");
690 result = iwl_testmode_trace(hw, tb);
693 case IWL_TM_CMD_APP2DEV_OWNERSHIP:
694 IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n");
695 result = iwl_testmode_ownership(hw, tb);
699 IWL_DEBUG_INFO(priv, "Unknown testmode command\n");
704 mutex_unlock(&priv->shrd->mutex);
708 int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
709 struct netlink_callback *cb,
712 struct nlattr *tb[IWL_TM_ATTR_MAX];
713 struct iwl_priv *priv = hw->priv;
718 /* offset by 1 since commands start at 0 */
719 cmd = cb->args[3] - 1;
721 result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
722 iwl_testmode_gnl_msg_policy);
725 "Error parsing the gnl message : %d\n", result);
729 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
730 if (!tb[IWL_TM_ATTR_COMMAND]) {
732 "Error finding testmode command type\n");
735 cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
736 cb->args[3] = cmd + 1;
739 /* in case multiple accesses to the device happens */
740 mutex_lock(&priv->shrd->mutex);
742 case IWL_TM_CMD_APP2DEV_READ_TRACE:
743 IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n");
744 result = iwl_testmode_trace_dump(hw, tb, skb, cb);
751 mutex_unlock(&priv->shrd->mutex);