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,
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.
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"
78 #include "iwl-testmode.h"
81 /* The TLVs used in the gnl message policy between the kernel module and
82 * user space application. iwl_testmode_gnl_msg_policy is to be carried
83 * through the NL80211_CMD_TESTMODE channel regulated by nl80211.
87 struct nla_policy iwl_testmode_gnl_msg_policy
[IWL_TM_ATTR_MAX
] = {
88 [IWL_TM_ATTR_COMMAND
] = { .type
= NLA_U32
, },
90 [IWL_TM_ATTR_UCODE_CMD_ID
] = { .type
= NLA_U8
, },
91 [IWL_TM_ATTR_UCODE_CMD_DATA
] = { .type
= NLA_UNSPEC
, },
93 [IWL_TM_ATTR_REG_OFFSET
] = { .type
= NLA_U32
, },
94 [IWL_TM_ATTR_REG_VALUE8
] = { .type
= NLA_U8
, },
95 [IWL_TM_ATTR_REG_VALUE32
] = { .type
= NLA_U32
, },
97 [IWL_TM_ATTR_SYNC_RSP
] = { .type
= NLA_UNSPEC
, },
98 [IWL_TM_ATTR_UCODE_RX_PKT
] = { .type
= NLA_UNSPEC
, },
100 [IWL_TM_ATTR_EEPROM
] = { .type
= NLA_UNSPEC
, },
102 [IWL_TM_ATTR_TRACE_ADDR
] = { .type
= NLA_UNSPEC
, },
103 [IWL_TM_ATTR_TRACE_DUMP
] = { .type
= NLA_UNSPEC
, },
104 [IWL_TM_ATTR_TRACE_SIZE
] = { .type
= NLA_U32
, },
106 [IWL_TM_ATTR_FIXRATE
] = { .type
= NLA_U32
, },
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 struct device
*dev
= priv
->bus
.dev
;
185 if (priv
->testmode_trace
.trace_enabled
) {
186 if (priv
->testmode_trace
.cpu_addr
&&
187 priv
->testmode_trace
.dma_addr
)
188 dma_free_coherent(dev
,
189 priv
->testmode_trace
.total_size
,
190 priv
->testmode_trace
.cpu_addr
,
191 priv
->testmode_trace
.dma_addr
);
192 priv
->testmode_trace
.trace_enabled
= false;
193 priv
->testmode_trace
.cpu_addr
= NULL
;
194 priv
->testmode_trace
.trace_addr
= NULL
;
195 priv
->testmode_trace
.dma_addr
= 0;
196 priv
->testmode_trace
.buff_size
= 0;
197 priv
->testmode_trace
.total_size
= 0;
202 void iwl_testmode_cleanup(struct iwl_priv
*priv
)
204 iwl_trace_cleanup(priv
);
208 * This function handles the user application commands to the ucode.
210 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
211 * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
212 * host command to the ucode.
214 * If any mandatory field is missing, -ENOMSG is replied to the user space
215 * application; otherwise, the actual execution result of the host command to
218 * @hw: ieee80211_hw object that represents the device
219 * @tb: gnl message fields from the user space
221 static int iwl_testmode_ucode(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
223 struct iwl_priv
*priv
= hw
->priv
;
224 struct iwl_host_cmd cmd
;
226 memset(&cmd
, 0, sizeof(struct iwl_host_cmd
));
228 if (!tb
[IWL_TM_ATTR_UCODE_CMD_ID
] ||
229 !tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]) {
231 "Error finding ucode command mandatory fields\n");
235 cmd
.id
= nla_get_u8(tb
[IWL_TM_ATTR_UCODE_CMD_ID
]);
236 cmd
.data
[0] = nla_data(tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]);
237 cmd
.len
[0] = nla_len(tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]);
238 cmd
.dataflags
[0] = IWL_HCMD_DFL_NOCOPY
;
239 IWL_INFO(priv
, "testmode ucode command ID 0x%x, flags 0x%x,"
240 " len %d\n", cmd
.id
, cmd
.flags
, cmd
.len
[0]);
241 /* ok, let's submit the command to ucode */
242 return priv
->trans
.ops
->send_cmd(priv
, &cmd
);
247 * This function handles the user application commands for register access.
249 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
250 * handlers respectively.
252 * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
253 * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
254 * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
255 * the success of the command execution.
257 * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
258 * value is returned with IWL_TM_ATTR_REG_VALUE32.
260 * @hw: ieee80211_hw object that represents the device
261 * @tb: gnl message fields from the user space
263 static int iwl_testmode_reg(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
265 struct iwl_priv
*priv
= hw
->priv
;
271 if (!tb
[IWL_TM_ATTR_REG_OFFSET
]) {
272 IWL_DEBUG_INFO(priv
, "Error finding register offset\n");
275 ofs
= nla_get_u32(tb
[IWL_TM_ATTR_REG_OFFSET
]);
276 IWL_INFO(priv
, "testmode register access command offset 0x%x\n", ofs
);
278 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
279 case IWL_TM_CMD_APP2DEV_REG_READ32
:
280 val32
= iwl_read32(priv
, ofs
);
281 IWL_INFO(priv
, "32bit value to read 0x%x\n", val32
);
283 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
285 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
288 NLA_PUT_U32(skb
, IWL_TM_ATTR_REG_VALUE32
, val32
);
289 status
= cfg80211_testmode_reply(skb
);
292 "Error sending msg : %d\n", status
);
294 case IWL_TM_CMD_APP2DEV_REG_WRITE32
:
295 if (!tb
[IWL_TM_ATTR_REG_VALUE32
]) {
297 "Error finding value to write\n");
300 val32
= nla_get_u32(tb
[IWL_TM_ATTR_REG_VALUE32
]);
301 IWL_INFO(priv
, "32bit value to write 0x%x\n", val32
);
302 iwl_write32(priv
, ofs
, val32
);
305 case IWL_TM_CMD_APP2DEV_REG_WRITE8
:
306 if (!tb
[IWL_TM_ATTR_REG_VALUE8
]) {
307 IWL_DEBUG_INFO(priv
, "Error finding value to write\n");
310 val8
= nla_get_u8(tb
[IWL_TM_ATTR_REG_VALUE8
]);
311 IWL_INFO(priv
, "8bit value to write 0x%x\n", val8
);
312 iwl_write8(priv
, ofs
, val8
);
316 IWL_DEBUG_INFO(priv
, "Unknown testmode register command ID\n");
328 static int iwl_testmode_cfg_init_calib(struct iwl_priv
*priv
)
330 struct iwl_notification_wait calib_wait
;
333 iwlagn_init_notification_wait(priv
, &calib_wait
,
334 CALIBRATION_COMPLETE_NOTIFICATION
,
336 ret
= iwlagn_init_alive_start(priv
);
339 "Error configuring init calibration: %d\n", ret
);
340 goto cfg_init_calib_error
;
343 ret
= iwlagn_wait_notification(priv
, &calib_wait
, 2 * HZ
);
345 IWL_DEBUG_INFO(priv
, "Error detecting"
346 " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret
);
349 cfg_init_calib_error
:
350 iwlagn_remove_notification(priv
, &calib_wait
);
355 * This function handles the user application commands for driver.
357 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
358 * handlers respectively.
360 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
361 * value of the actual command execution is replied to the user application.
363 * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
364 * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
365 * IWL_TM_CMD_DEV2APP_SYNC_RSP.
367 * @hw: ieee80211_hw object that represents the device
368 * @tb: gnl message fields from the user space
370 static int iwl_testmode_driver(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
372 struct iwl_priv
*priv
= hw
->priv
;
374 unsigned char *rsp_data_ptr
= NULL
;
375 int status
= 0, rsp_data_len
= 0;
377 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
378 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
379 rsp_data_ptr
= (unsigned char *)priv
->cfg
->name
;
380 rsp_data_len
= strlen(priv
->cfg
->name
);
381 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
385 "Error allocating memory\n");
388 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
389 IWL_TM_CMD_DEV2APP_SYNC_RSP
);
390 NLA_PUT(skb
, IWL_TM_ATTR_SYNC_RSP
,
391 rsp_data_len
, rsp_data_ptr
);
392 status
= cfg80211_testmode_reply(skb
);
394 IWL_DEBUG_INFO(priv
, "Error sending msg : %d\n",
398 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
399 status
= iwlagn_load_ucode_wait_alive(priv
, &priv
->ucode_init
,
403 "Error loading init ucode: %d\n", status
);
406 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
407 iwl_testmode_cfg_init_calib(priv
);
408 iwlagn_stop_device(priv
);
411 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
412 status
= iwlagn_load_ucode_wait_alive(priv
,
417 "Error loading runtime ucode: %d\n", status
);
420 status
= iwl_alive_start(priv
);
423 "Error starting the device: %d\n", status
);
426 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
428 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
429 priv
->cfg
->base_params
->eeprom_size
+ 20);
432 "Error allocating memory\n");
435 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
436 IWL_TM_CMD_DEV2APP_EEPROM_RSP
);
437 NLA_PUT(skb
, IWL_TM_ATTR_EEPROM
,
438 priv
->cfg
->base_params
->eeprom_size
,
440 status
= cfg80211_testmode_reply(skb
);
443 "Error sending msg : %d\n",
449 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
450 if (!tb
[IWL_TM_ATTR_FIXRATE
]) {
452 "Error finding fixrate setting\n");
455 priv
->dbg_fixed_rate
= nla_get_u32(tb
[IWL_TM_ATTR_FIXRATE
]);
459 IWL_DEBUG_INFO(priv
, "Unknown testmode driver command ID\n");
471 * This function handles the user application commands for uCode trace
473 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
474 * handlers respectively.
476 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
477 * value of the actual command execution is replied to the user application.
479 * @hw: ieee80211_hw object that represents the device
480 * @tb: gnl message fields from the user space
482 static int iwl_testmode_trace(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
484 struct iwl_priv
*priv
= hw
->priv
;
487 struct device
*dev
= priv
->bus
.dev
;
489 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
490 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
491 if (priv
->testmode_trace
.trace_enabled
)
494 if (!tb
[IWL_TM_ATTR_TRACE_SIZE
])
495 priv
->testmode_trace
.buff_size
= TRACE_BUFF_SIZE_DEF
;
497 priv
->testmode_trace
.buff_size
=
498 nla_get_u32(tb
[IWL_TM_ATTR_TRACE_SIZE
]);
499 if (!priv
->testmode_trace
.buff_size
)
501 if (priv
->testmode_trace
.buff_size
< TRACE_BUFF_SIZE_MIN
||
502 priv
->testmode_trace
.buff_size
> TRACE_BUFF_SIZE_MAX
)
505 priv
->testmode_trace
.total_size
=
506 priv
->testmode_trace
.buff_size
+ TRACE_BUFF_PADD
;
507 priv
->testmode_trace
.cpu_addr
=
508 dma_alloc_coherent(dev
,
509 priv
->testmode_trace
.total_size
,
510 &priv
->testmode_trace
.dma_addr
,
512 if (!priv
->testmode_trace
.cpu_addr
)
514 priv
->testmode_trace
.trace_enabled
= true;
515 priv
->testmode_trace
.trace_addr
= (u8
*)PTR_ALIGN(
516 priv
->testmode_trace
.cpu_addr
, 0x100);
517 memset(priv
->testmode_trace
.trace_addr
, 0x03B,
518 priv
->testmode_trace
.buff_size
);
519 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
520 sizeof(priv
->testmode_trace
.dma_addr
) + 20);
523 "Error allocating memory\n");
524 iwl_trace_cleanup(priv
);
527 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_ADDR
,
528 sizeof(priv
->testmode_trace
.dma_addr
),
529 (u64
*)&priv
->testmode_trace
.dma_addr
);
530 status
= cfg80211_testmode_reply(skb
);
533 "Error sending msg : %d\n",
536 priv
->testmode_trace
.num_chunks
=
537 DIV_ROUND_UP(priv
->testmode_trace
.buff_size
,
541 case IWL_TM_CMD_APP2DEV_END_TRACE
:
542 iwl_trace_cleanup(priv
);
545 IWL_DEBUG_INFO(priv
, "Unknown testmode mem command ID\n");
552 if (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]) ==
553 IWL_TM_CMD_APP2DEV_BEGIN_TRACE
)
554 iwl_trace_cleanup(priv
);
558 static int iwl_testmode_trace_dump(struct ieee80211_hw
*hw
, struct nlattr
**tb
,
560 struct netlink_callback
*cb
)
562 struct iwl_priv
*priv
= hw
->priv
;
565 if (priv
->testmode_trace
.trace_enabled
&&
566 priv
->testmode_trace
.trace_addr
) {
568 if (idx
>= priv
->testmode_trace
.num_chunks
)
570 length
= TRACE_CHUNK_SIZE
;
571 if (((idx
+ 1) == priv
->testmode_trace
.num_chunks
) &&
572 (priv
->testmode_trace
.buff_size
% TRACE_CHUNK_SIZE
))
573 length
= priv
->testmode_trace
.buff_size
%
576 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_DUMP
, length
,
577 priv
->testmode_trace
.trace_addr
+
578 (TRACE_CHUNK_SIZE
* idx
));
589 /* The testmode gnl message handler that takes the gnl message from the
590 * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
591 * invoke the corresponding handlers.
593 * This function is invoked when there is user space application sending
594 * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
597 * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
598 * dispatching it to the corresponding handler.
600 * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
601 * -ENOSYS is replied to the user application if the command is unknown;
602 * Otherwise, the command is dispatched to the respective handler.
604 * @hw: ieee80211_hw object that represents the device
605 * @data: pointer to user space message
606 * @len: length in byte of @data
608 int iwl_testmode_cmd(struct ieee80211_hw
*hw
, void *data
, int len
)
610 struct nlattr
*tb
[IWL_TM_ATTR_MAX
- 1];
611 struct iwl_priv
*priv
= hw
->priv
;
614 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
615 iwl_testmode_gnl_msg_policy
);
618 "Error parsing the gnl message : %d\n", result
);
622 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
623 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
624 IWL_DEBUG_INFO(priv
, "Error finding testmode command type\n");
627 /* in case multiple accesses to the device happens */
628 mutex_lock(&priv
->mutex
);
630 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
631 case IWL_TM_CMD_APP2DEV_UCODE
:
632 IWL_DEBUG_INFO(priv
, "testmode cmd to uCode\n");
633 result
= iwl_testmode_ucode(hw
, tb
);
635 case IWL_TM_CMD_APP2DEV_REG_READ32
:
636 case IWL_TM_CMD_APP2DEV_REG_WRITE32
:
637 case IWL_TM_CMD_APP2DEV_REG_WRITE8
:
638 IWL_DEBUG_INFO(priv
, "testmode cmd to register\n");
639 result
= iwl_testmode_reg(hw
, tb
);
641 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
642 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
643 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
644 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
645 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
646 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
647 IWL_DEBUG_INFO(priv
, "testmode cmd to driver\n");
648 result
= iwl_testmode_driver(hw
, tb
);
651 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
652 case IWL_TM_CMD_APP2DEV_END_TRACE
:
653 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
654 IWL_DEBUG_INFO(priv
, "testmode uCode trace cmd to driver\n");
655 result
= iwl_testmode_trace(hw
, tb
);
659 IWL_DEBUG_INFO(priv
, "Unknown testmode command\n");
664 mutex_unlock(&priv
->mutex
);
668 int iwl_testmode_dump(struct ieee80211_hw
*hw
, struct sk_buff
*skb
,
669 struct netlink_callback
*cb
,
672 struct nlattr
*tb
[IWL_TM_ATTR_MAX
];
673 struct iwl_priv
*priv
= hw
->priv
;
678 /* offset by 1 since commands start at 0 */
679 cmd
= cb
->args
[3] - 1;
681 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
682 iwl_testmode_gnl_msg_policy
);
685 "Error parsing the gnl message : %d\n", result
);
689 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
690 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
692 "Error finding testmode command type\n");
695 cmd
= nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]);
696 cb
->args
[3] = cmd
+ 1;
699 /* in case multiple accesses to the device happens */
700 mutex_lock(&priv
->mutex
);
702 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
703 IWL_DEBUG_INFO(priv
, "uCode trace cmd to driver\n");
704 result
= iwl_testmode_trace_dump(hw
, tb
, skb
, cb
);
711 mutex_unlock(&priv
->mutex
);