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"
79 #include "iwl-trans.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
, },
108 [IWL_TM_ATTR_UCODE_OWNER
] = { .type
= NLA_U8
, },
112 * See the struct iwl_rx_packet in iwl-commands.h for the format of the
113 * received events from the device
115 static inline int get_event_length(struct iwl_rx_mem_buffer
*rxb
)
117 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
119 return le32_to_cpu(pkt
->len_n_flags
) & FH_RSCSR_FRAME_SIZE_MSK
;
126 * This function multicasts the spontaneous messages from the device to the
127 * user space. It is invoked whenever there is a received messages
128 * from the device. This function is called within the ISR of the rx handlers
131 * The parsing of the message content is left to the user space application,
132 * The message content is treated as unattacked raw data and is encapsulated
133 * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
135 * @priv: the instance of iwlwifi device
136 * @rxb: pointer to rx data content received by the ISR
138 * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
139 * For the messages multicasting to the user application, the mandatory
141 * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
142 * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
145 static void iwl_testmode_ucode_rx_pkt(struct iwl_priv
*priv
,
146 struct iwl_rx_mem_buffer
*rxb
)
148 struct ieee80211_hw
*hw
= priv
->hw
;
153 data
= (void *)rxb_addr(rxb
);
154 length
= get_event_length(rxb
);
156 if (!data
|| length
== 0)
159 skb
= cfg80211_testmode_alloc_event_skb(hw
->wiphy
, 20 + length
,
163 "Run out of memory for messages to user space ?\n");
166 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
);
167 NLA_PUT(skb
, IWL_TM_ATTR_UCODE_RX_PKT
, length
, data
);
168 cfg80211_testmode_event(skb
, GFP_ATOMIC
);
173 IWL_DEBUG_INFO(priv
, "Ouch, overran buffer, check allocation!\n");
176 void iwl_testmode_init(struct iwl_priv
*priv
)
178 priv
->pre_rx_handler
= iwl_testmode_ucode_rx_pkt
;
179 priv
->testmode_trace
.trace_enabled
= false;
182 static void iwl_trace_cleanup(struct iwl_priv
*priv
)
184 struct device
*dev
= priv
->bus
.dev
;
186 if (priv
->testmode_trace
.trace_enabled
) {
187 if (priv
->testmode_trace
.cpu_addr
&&
188 priv
->testmode_trace
.dma_addr
)
189 dma_free_coherent(dev
,
190 priv
->testmode_trace
.total_size
,
191 priv
->testmode_trace
.cpu_addr
,
192 priv
->testmode_trace
.dma_addr
);
193 priv
->testmode_trace
.trace_enabled
= false;
194 priv
->testmode_trace
.cpu_addr
= NULL
;
195 priv
->testmode_trace
.trace_addr
= NULL
;
196 priv
->testmode_trace
.dma_addr
= 0;
197 priv
->testmode_trace
.buff_size
= 0;
198 priv
->testmode_trace
.total_size
= 0;
203 void iwl_testmode_cleanup(struct iwl_priv
*priv
)
205 iwl_trace_cleanup(priv
);
209 * This function handles the user application commands to the ucode.
211 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
212 * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
213 * host command to the ucode.
215 * If any mandatory field is missing, -ENOMSG is replied to the user space
216 * application; otherwise, the actual execution result of the host command to
219 * @hw: ieee80211_hw object that represents the device
220 * @tb: gnl message fields from the user space
222 static int iwl_testmode_ucode(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
224 struct iwl_priv
*priv
= hw
->priv
;
225 struct iwl_host_cmd cmd
;
227 memset(&cmd
, 0, sizeof(struct iwl_host_cmd
));
229 if (!tb
[IWL_TM_ATTR_UCODE_CMD_ID
] ||
230 !tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]) {
232 "Error finding ucode command mandatory fields\n");
236 cmd
.flags
= CMD_ON_DEMAND
;
237 cmd
.id
= nla_get_u8(tb
[IWL_TM_ATTR_UCODE_CMD_ID
]);
238 cmd
.data
[0] = nla_data(tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]);
239 cmd
.len
[0] = nla_len(tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]);
240 cmd
.dataflags
[0] = IWL_HCMD_DFL_NOCOPY
;
241 IWL_INFO(priv
, "testmode ucode command ID 0x%x, flags 0x%x,"
242 " len %d\n", cmd
.id
, cmd
.flags
, cmd
.len
[0]);
243 /* ok, let's submit the command to ucode */
244 return trans_send_cmd(priv
, &cmd
);
249 * This function handles the user application commands for register access.
251 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
252 * handlers respectively.
254 * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
255 * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
256 * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
257 * the success of the command execution.
259 * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
260 * value is returned with IWL_TM_ATTR_REG_VALUE32.
262 * @hw: ieee80211_hw object that represents the device
263 * @tb: gnl message fields from the user space
265 static int iwl_testmode_reg(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
267 struct iwl_priv
*priv
= hw
->priv
;
273 if (!tb
[IWL_TM_ATTR_REG_OFFSET
]) {
274 IWL_DEBUG_INFO(priv
, "Error finding register offset\n");
277 ofs
= nla_get_u32(tb
[IWL_TM_ATTR_REG_OFFSET
]);
278 IWL_INFO(priv
, "testmode register access command offset 0x%x\n", ofs
);
280 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
281 case IWL_TM_CMD_APP2DEV_REG_READ32
:
282 val32
= iwl_read32(priv
, ofs
);
283 IWL_INFO(priv
, "32bit value to read 0x%x\n", val32
);
285 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
287 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
290 NLA_PUT_U32(skb
, IWL_TM_ATTR_REG_VALUE32
, val32
);
291 status
= cfg80211_testmode_reply(skb
);
294 "Error sending msg : %d\n", status
);
296 case IWL_TM_CMD_APP2DEV_REG_WRITE32
:
297 if (!tb
[IWL_TM_ATTR_REG_VALUE32
]) {
299 "Error finding value to write\n");
302 val32
= nla_get_u32(tb
[IWL_TM_ATTR_REG_VALUE32
]);
303 IWL_INFO(priv
, "32bit value to write 0x%x\n", val32
);
304 iwl_write32(priv
, ofs
, val32
);
307 case IWL_TM_CMD_APP2DEV_REG_WRITE8
:
308 if (!tb
[IWL_TM_ATTR_REG_VALUE8
]) {
309 IWL_DEBUG_INFO(priv
, "Error finding value to write\n");
312 val8
= nla_get_u8(tb
[IWL_TM_ATTR_REG_VALUE8
]);
313 IWL_INFO(priv
, "8bit value to write 0x%x\n", val8
);
314 iwl_write8(priv
, ofs
, val8
);
318 IWL_DEBUG_INFO(priv
, "Unknown testmode register command ID\n");
330 static int iwl_testmode_cfg_init_calib(struct iwl_priv
*priv
)
332 struct iwl_notification_wait calib_wait
;
335 iwlagn_init_notification_wait(priv
, &calib_wait
,
336 CALIBRATION_COMPLETE_NOTIFICATION
,
338 ret
= iwlagn_init_alive_start(priv
);
341 "Error configuring init calibration: %d\n", ret
);
342 goto cfg_init_calib_error
;
345 ret
= iwlagn_wait_notification(priv
, &calib_wait
, 2 * HZ
);
347 IWL_DEBUG_INFO(priv
, "Error detecting"
348 " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret
);
351 cfg_init_calib_error
:
352 iwlagn_remove_notification(priv
, &calib_wait
);
357 * This function handles the user application commands for driver.
359 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
360 * handlers respectively.
362 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
363 * value of the actual command execution is replied to the user application.
365 * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
366 * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
367 * IWL_TM_CMD_DEV2APP_SYNC_RSP.
369 * @hw: ieee80211_hw object that represents the device
370 * @tb: gnl message fields from the user space
372 static int iwl_testmode_driver(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
374 struct iwl_priv
*priv
= hw
->priv
;
376 unsigned char *rsp_data_ptr
= NULL
;
377 int status
= 0, rsp_data_len
= 0;
379 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
380 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
381 rsp_data_ptr
= (unsigned char *)priv
->cfg
->name
;
382 rsp_data_len
= strlen(priv
->cfg
->name
);
383 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
387 "Error allocating memory\n");
390 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
391 IWL_TM_CMD_DEV2APP_SYNC_RSP
);
392 NLA_PUT(skb
, IWL_TM_ATTR_SYNC_RSP
,
393 rsp_data_len
, rsp_data_ptr
);
394 status
= cfg80211_testmode_reply(skb
);
396 IWL_DEBUG_INFO(priv
, "Error sending msg : %d\n",
400 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
401 status
= iwlagn_load_ucode_wait_alive(priv
, &priv
->ucode_init
,
405 "Error loading init ucode: %d\n", status
);
408 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
409 iwl_testmode_cfg_init_calib(priv
);
410 trans_stop_device(priv
);
413 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
414 status
= iwlagn_load_ucode_wait_alive(priv
,
419 "Error loading runtime ucode: %d\n", status
);
422 status
= iwl_alive_start(priv
);
425 "Error starting the device: %d\n", status
);
428 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
430 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
431 priv
->cfg
->base_params
->eeprom_size
+ 20);
434 "Error allocating memory\n");
437 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
438 IWL_TM_CMD_DEV2APP_EEPROM_RSP
);
439 NLA_PUT(skb
, IWL_TM_ATTR_EEPROM
,
440 priv
->cfg
->base_params
->eeprom_size
,
442 status
= cfg80211_testmode_reply(skb
);
445 "Error sending msg : %d\n",
451 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
452 if (!tb
[IWL_TM_ATTR_FIXRATE
]) {
454 "Error finding fixrate setting\n");
457 priv
->tm_fixed_rate
= nla_get_u32(tb
[IWL_TM_ATTR_FIXRATE
]);
461 IWL_DEBUG_INFO(priv
, "Unknown testmode driver command ID\n");
473 * This function handles the user application commands for uCode trace
475 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
476 * handlers respectively.
478 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
479 * value of the actual command execution is replied to the user application.
481 * @hw: ieee80211_hw object that represents the device
482 * @tb: gnl message fields from the user space
484 static int iwl_testmode_trace(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
486 struct iwl_priv
*priv
= hw
->priv
;
489 struct device
*dev
= priv
->bus
.dev
;
491 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
492 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
493 if (priv
->testmode_trace
.trace_enabled
)
496 if (!tb
[IWL_TM_ATTR_TRACE_SIZE
])
497 priv
->testmode_trace
.buff_size
= TRACE_BUFF_SIZE_DEF
;
499 priv
->testmode_trace
.buff_size
=
500 nla_get_u32(tb
[IWL_TM_ATTR_TRACE_SIZE
]);
501 if (!priv
->testmode_trace
.buff_size
)
503 if (priv
->testmode_trace
.buff_size
< TRACE_BUFF_SIZE_MIN
||
504 priv
->testmode_trace
.buff_size
> TRACE_BUFF_SIZE_MAX
)
507 priv
->testmode_trace
.total_size
=
508 priv
->testmode_trace
.buff_size
+ TRACE_BUFF_PADD
;
509 priv
->testmode_trace
.cpu_addr
=
510 dma_alloc_coherent(dev
,
511 priv
->testmode_trace
.total_size
,
512 &priv
->testmode_trace
.dma_addr
,
514 if (!priv
->testmode_trace
.cpu_addr
)
516 priv
->testmode_trace
.trace_enabled
= true;
517 priv
->testmode_trace
.trace_addr
= (u8
*)PTR_ALIGN(
518 priv
->testmode_trace
.cpu_addr
, 0x100);
519 memset(priv
->testmode_trace
.trace_addr
, 0x03B,
520 priv
->testmode_trace
.buff_size
);
521 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
522 sizeof(priv
->testmode_trace
.dma_addr
) + 20);
525 "Error allocating memory\n");
526 iwl_trace_cleanup(priv
);
529 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_ADDR
,
530 sizeof(priv
->testmode_trace
.dma_addr
),
531 (u64
*)&priv
->testmode_trace
.dma_addr
);
532 status
= cfg80211_testmode_reply(skb
);
535 "Error sending msg : %d\n",
538 priv
->testmode_trace
.num_chunks
=
539 DIV_ROUND_UP(priv
->testmode_trace
.buff_size
,
543 case IWL_TM_CMD_APP2DEV_END_TRACE
:
544 iwl_trace_cleanup(priv
);
547 IWL_DEBUG_INFO(priv
, "Unknown testmode mem command ID\n");
554 if (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]) ==
555 IWL_TM_CMD_APP2DEV_BEGIN_TRACE
)
556 iwl_trace_cleanup(priv
);
560 static int iwl_testmode_trace_dump(struct ieee80211_hw
*hw
, struct nlattr
**tb
,
562 struct netlink_callback
*cb
)
564 struct iwl_priv
*priv
= hw
->priv
;
567 if (priv
->testmode_trace
.trace_enabled
&&
568 priv
->testmode_trace
.trace_addr
) {
570 if (idx
>= priv
->testmode_trace
.num_chunks
)
572 length
= TRACE_CHUNK_SIZE
;
573 if (((idx
+ 1) == priv
->testmode_trace
.num_chunks
) &&
574 (priv
->testmode_trace
.buff_size
% TRACE_CHUNK_SIZE
))
575 length
= priv
->testmode_trace
.buff_size
%
578 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_DUMP
, length
,
579 priv
->testmode_trace
.trace_addr
+
580 (TRACE_CHUNK_SIZE
* idx
));
592 * This function handles the user application switch ucode ownership.
594 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and
595 * decide who the current owner of the uCode
597 * If the current owner is OWNERSHIP_TM, then the only host command
598 * can deliver to uCode is from testmode, all the other host commands
601 * default driver is the owner of uCode in normal operational mode
603 * @hw: ieee80211_hw object that represents the device
604 * @tb: gnl message fields from the user space
606 static int iwl_testmode_ownership(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
608 struct iwl_priv
*priv
= hw
->priv
;
611 if (!tb
[IWL_TM_ATTR_UCODE_OWNER
]) {
612 IWL_DEBUG_INFO(priv
, "Error finding ucode owner\n");
616 owner
= nla_get_u8(tb
[IWL_TM_ATTR_UCODE_OWNER
]);
617 if ((owner
== IWL_OWNERSHIP_DRIVER
) || (owner
== IWL_OWNERSHIP_TM
))
618 priv
->ucode_owner
= owner
;
620 IWL_DEBUG_INFO(priv
, "Invalid owner\n");
627 /* The testmode gnl message handler that takes the gnl message from the
628 * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
629 * invoke the corresponding handlers.
631 * This function is invoked when there is user space application sending
632 * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
635 * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
636 * dispatching it to the corresponding handler.
638 * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
639 * -ENOSYS is replied to the user application if the command is unknown;
640 * Otherwise, the command is dispatched to the respective handler.
642 * @hw: ieee80211_hw object that represents the device
643 * @data: pointer to user space message
644 * @len: length in byte of @data
646 int iwl_testmode_cmd(struct ieee80211_hw
*hw
, void *data
, int len
)
648 struct nlattr
*tb
[IWL_TM_ATTR_MAX
];
649 struct iwl_priv
*priv
= hw
->priv
;
652 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
653 iwl_testmode_gnl_msg_policy
);
656 "Error parsing the gnl message : %d\n", result
);
660 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
661 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
662 IWL_DEBUG_INFO(priv
, "Error finding testmode command type\n");
665 /* in case multiple accesses to the device happens */
666 mutex_lock(&priv
->mutex
);
668 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
669 case IWL_TM_CMD_APP2DEV_UCODE
:
670 IWL_DEBUG_INFO(priv
, "testmode cmd to uCode\n");
671 result
= iwl_testmode_ucode(hw
, tb
);
673 case IWL_TM_CMD_APP2DEV_REG_READ32
:
674 case IWL_TM_CMD_APP2DEV_REG_WRITE32
:
675 case IWL_TM_CMD_APP2DEV_REG_WRITE8
:
676 IWL_DEBUG_INFO(priv
, "testmode cmd to register\n");
677 result
= iwl_testmode_reg(hw
, tb
);
679 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
680 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
681 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
682 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
683 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
684 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
685 IWL_DEBUG_INFO(priv
, "testmode cmd to driver\n");
686 result
= iwl_testmode_driver(hw
, tb
);
689 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
690 case IWL_TM_CMD_APP2DEV_END_TRACE
:
691 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
692 IWL_DEBUG_INFO(priv
, "testmode uCode trace cmd to driver\n");
693 result
= iwl_testmode_trace(hw
, tb
);
696 case IWL_TM_CMD_APP2DEV_OWNERSHIP
:
697 IWL_DEBUG_INFO(priv
, "testmode change uCode ownership\n");
698 result
= iwl_testmode_ownership(hw
, tb
);
702 IWL_DEBUG_INFO(priv
, "Unknown testmode command\n");
707 mutex_unlock(&priv
->mutex
);
711 int iwl_testmode_dump(struct ieee80211_hw
*hw
, struct sk_buff
*skb
,
712 struct netlink_callback
*cb
,
715 struct nlattr
*tb
[IWL_TM_ATTR_MAX
];
716 struct iwl_priv
*priv
= hw
->priv
;
721 /* offset by 1 since commands start at 0 */
722 cmd
= cb
->args
[3] - 1;
724 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
725 iwl_testmode_gnl_msg_policy
);
728 "Error parsing the gnl message : %d\n", result
);
732 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
733 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
735 "Error finding testmode command type\n");
738 cmd
= nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]);
739 cb
->args
[3] = cmd
+ 1;
742 /* in case multiple accesses to the device happens */
743 mutex_lock(&priv
->mutex
);
745 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
746 IWL_DEBUG_INFO(priv
, "uCode trace cmd to driver\n");
747 result
= iwl_testmode_trace_dump(hw
, tb
, skb
, cb
);
754 mutex_unlock(&priv
->mutex
);