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 <linux/dma-mapping.h>
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>
76 #include "iwl-debug.h"
79 #include "iwl-testmode.h"
80 #include "iwl-trans.h"
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.
89 struct nla_policy iwl_testmode_gnl_msg_policy
[IWL_TM_ATTR_MAX
] = {
90 [IWL_TM_ATTR_COMMAND
] = { .type
= NLA_U32
, },
92 [IWL_TM_ATTR_UCODE_CMD_ID
] = { .type
= NLA_U8
, },
93 [IWL_TM_ATTR_UCODE_CMD_DATA
] = { .type
= NLA_UNSPEC
, },
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
, },
99 [IWL_TM_ATTR_SYNC_RSP
] = { .type
= NLA_UNSPEC
, },
100 [IWL_TM_ATTR_UCODE_RX_PKT
] = { .type
= NLA_UNSPEC
, },
102 [IWL_TM_ATTR_EEPROM
] = { .type
= NLA_UNSPEC
, },
104 [IWL_TM_ATTR_TRACE_ADDR
] = { .type
= NLA_UNSPEC
, },
105 [IWL_TM_ATTR_TRACE_DUMP
] = { .type
= NLA_UNSPEC
, },
106 [IWL_TM_ATTR_TRACE_SIZE
] = { .type
= NLA_U32
, },
108 [IWL_TM_ATTR_FIXRATE
] = { .type
= NLA_U32
, },
110 [IWL_TM_ATTR_UCODE_OWNER
] = { .type
= NLA_U8
, },
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
, },
116 [IWL_TM_ATTR_FW_VERSION
] = { .type
= NLA_U32
, },
117 [IWL_TM_ATTR_DEVICE_ID
] = { .type
= NLA_U32
, },
121 * See the struct iwl_rx_packet in iwl-commands.h for the format of the
122 * received events from the device
124 static inline int get_event_length(struct iwl_rx_mem_buffer
*rxb
)
126 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
128 return le32_to_cpu(pkt
->len_n_flags
) & FH_RSCSR_FRAME_SIZE_MSK
;
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
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.
144 * @priv: the instance of iwlwifi device
145 * @rxb: pointer to rx data content received by the ISR
147 * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
148 * For the messages multicasting to the user application, the mandatory
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
154 static void iwl_testmode_ucode_rx_pkt(struct iwl_priv
*priv
,
155 struct iwl_rx_mem_buffer
*rxb
)
157 struct ieee80211_hw
*hw
= priv
->hw
;
162 data
= (void *)rxb_addr(rxb
);
163 length
= get_event_length(rxb
);
165 if (!data
|| length
== 0)
168 skb
= cfg80211_testmode_alloc_event_skb(hw
->wiphy
, 20 + length
,
172 "Run out of memory for messages to user space ?\n");
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
);
182 IWL_DEBUG_INFO(priv
, "Ouch, overran buffer, check allocation!\n");
185 void iwl_testmode_init(struct iwl_priv
*priv
)
187 priv
->pre_rx_handler
= iwl_testmode_ucode_rx_pkt
;
188 priv
->testmode_trace
.trace_enabled
= false;
189 priv
->testmode_sram
.sram_readed
= false;
192 static void iwl_sram_cleanup(struct iwl_priv
*priv
)
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;
203 static void iwl_trace_cleanup(struct iwl_priv
*priv
)
205 if (priv
->testmode_trace
.trace_enabled
) {
206 if (priv
->testmode_trace
.cpu_addr
&&
207 priv
->testmode_trace
.dma_addr
)
208 dma_free_coherent(bus(priv
)->dev
,
209 priv
->testmode_trace
.total_size
,
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;
216 priv
->testmode_trace
.buff_size
= 0;
217 priv
->testmode_trace
.total_size
= 0;
222 void iwl_testmode_cleanup(struct iwl_priv
*priv
)
224 iwl_trace_cleanup(priv
);
225 iwl_sram_cleanup(priv
);
229 * This function handles the user application commands to the ucode.
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.
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
239 * @hw: ieee80211_hw object that represents the device
240 * @tb: gnl message fields from the user space
242 static int iwl_testmode_ucode(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
244 struct iwl_priv
*priv
= hw
->priv
;
245 struct iwl_host_cmd cmd
;
247 memset(&cmd
, 0, sizeof(struct iwl_host_cmd
));
249 if (!tb
[IWL_TM_ATTR_UCODE_CMD_ID
] ||
250 !tb
[IWL_TM_ATTR_UCODE_CMD_DATA
]) {
252 "Error finding ucode command mandatory fields\n");
256 cmd
.flags
= CMD_ON_DEMAND
;
257 cmd
.id
= nla_get_u8(tb
[IWL_TM_ATTR_UCODE_CMD_ID
]);
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
]);
260 cmd
.dataflags
[0] = IWL_HCMD_DFL_NOCOPY
;
261 IWL_INFO(priv
, "testmode ucode command ID 0x%x, flags 0x%x,"
262 " len %d\n", cmd
.id
, cmd
.flags
, cmd
.len
[0]);
263 /* ok, let's submit the command to ucode */
264 return iwl_trans_send_cmd(trans(priv
), &cmd
);
269 * This function handles the user application commands for register access.
271 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
272 * handlers respectively.
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.
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.
282 * @hw: ieee80211_hw object that represents the device
283 * @tb: gnl message fields from the user space
285 static int iwl_testmode_reg(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
287 struct iwl_priv
*priv
= hw
->priv
;
293 if (!tb
[IWL_TM_ATTR_REG_OFFSET
]) {
294 IWL_DEBUG_INFO(priv
, "Error finding register offset\n");
297 ofs
= nla_get_u32(tb
[IWL_TM_ATTR_REG_OFFSET
]);
298 IWL_INFO(priv
, "testmode register access command offset 0x%x\n", ofs
);
300 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
301 case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32
:
302 val32
= iwl_read32(bus(priv
), ofs
);
303 IWL_INFO(priv
, "32bit value to read 0x%x\n", val32
);
305 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
307 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
310 NLA_PUT_U32(skb
, IWL_TM_ATTR_REG_VALUE32
, val32
);
311 status
= cfg80211_testmode_reply(skb
);
314 "Error sending msg : %d\n", status
);
316 case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32
:
317 if (!tb
[IWL_TM_ATTR_REG_VALUE32
]) {
319 "Error finding value to write\n");
322 val32
= nla_get_u32(tb
[IWL_TM_ATTR_REG_VALUE32
]);
323 IWL_INFO(priv
, "32bit value to write 0x%x\n", val32
);
324 iwl_write32(bus(priv
), ofs
, val32
);
327 case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8
:
328 if (!tb
[IWL_TM_ATTR_REG_VALUE8
]) {
329 IWL_DEBUG_INFO(priv
, "Error finding value to write\n");
332 val8
= nla_get_u8(tb
[IWL_TM_ATTR_REG_VALUE8
]);
333 IWL_INFO(priv
, "8bit value to write 0x%x\n", val8
);
334 iwl_write8(bus(priv
), ofs
, val8
);
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
);
341 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
343 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
346 NLA_PUT_U32(skb
, IWL_TM_ATTR_REG_VALUE32
, val32
);
347 status
= cfg80211_testmode_reply(skb
);
350 "Error sending msg : %d\n", status
);
352 case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32
:
353 if (!tb
[IWL_TM_ATTR_REG_VALUE32
]) {
355 "Error finding value to write\n");
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
);
364 IWL_DEBUG_INFO(priv
, "Unknown testmode register command ID\n");
376 static int iwl_testmode_cfg_init_calib(struct iwl_priv
*priv
)
378 struct iwl_notification_wait calib_wait
;
381 iwl_init_notification_wait(priv
->shrd
, &calib_wait
,
382 CALIBRATION_COMPLETE_NOTIFICATION
,
384 ret
= iwl_init_alive_start(trans(priv
));
387 "Error configuring init calibration: %d\n", ret
);
388 goto cfg_init_calib_error
;
391 ret
= iwl_wait_notification(priv
->shrd
, &calib_wait
, 2 * HZ
);
393 IWL_DEBUG_INFO(priv
, "Error detecting"
394 " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret
);
397 cfg_init_calib_error
:
398 iwl_remove_notification(priv
->shrd
, &calib_wait
);
403 * This function handles the user application commands for driver.
405 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
406 * handlers respectively.
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.
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.
415 * @hw: ieee80211_hw object that represents the device
416 * @tb: gnl message fields from the user space
418 static int iwl_testmode_driver(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
420 struct iwl_priv
*priv
= hw
->priv
;
421 struct iwl_trans
*trans
= trans(priv
);
423 unsigned char *rsp_data_ptr
= NULL
;
424 int status
= 0, rsp_data_len
= 0;
425 char buf
[32], *ptr
= NULL
;
426 unsigned int num
, devid
;
428 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
429 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
430 rsp_data_ptr
= (unsigned char *)cfg(priv
)->name
;
431 rsp_data_len
= strlen(cfg(priv
)->name
);
432 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
436 "Error allocating memory\n");
439 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
440 IWL_TM_CMD_DEV2APP_SYNC_RSP
);
441 NLA_PUT(skb
, IWL_TM_ATTR_SYNC_RSP
,
442 rsp_data_len
, rsp_data_ptr
);
443 status
= cfg80211_testmode_reply(skb
);
445 IWL_DEBUG_INFO(priv
, "Error sending msg : %d\n",
449 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
450 status
= iwl_load_ucode_wait_alive(trans
, IWL_UCODE_INIT
);
453 "Error loading init ucode: %d\n", status
);
456 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
457 iwl_testmode_cfg_init_calib(priv
);
458 iwl_trans_stop_device(trans
);
461 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
462 status
= iwl_load_ucode_wait_alive(trans
, IWL_UCODE_REGULAR
);
465 "Error loading runtime ucode: %d\n", status
);
468 status
= iwl_alive_start(priv
);
471 "Error starting the device: %d\n", status
);
474 case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW
:
475 iwl_scan_cancel_timeout(priv
, 200);
476 iwl_trans_stop_device(trans
);
477 status
= iwl_load_ucode_wait_alive(trans
, IWL_UCODE_WOWLAN
);
480 "Error loading WOWLAN ucode: %d\n", status
);
483 status
= iwl_alive_start(priv
);
486 "Error starting the device: %d\n", status
);
489 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
490 if (priv
->shrd
->eeprom
) {
491 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
492 cfg(priv
)->base_params
->eeprom_size
+ 20);
495 "Error allocating memory\n");
498 NLA_PUT_U32(skb
, IWL_TM_ATTR_COMMAND
,
499 IWL_TM_CMD_DEV2APP_EEPROM_RSP
);
500 NLA_PUT(skb
, IWL_TM_ATTR_EEPROM
,
501 cfg(priv
)->base_params
->eeprom_size
,
503 status
= cfg80211_testmode_reply(skb
);
506 "Error sending msg : %d\n",
512 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
513 if (!tb
[IWL_TM_ATTR_FIXRATE
]) {
515 "Error finding fixrate setting\n");
518 priv
->tm_fixed_rate
= nla_get_u32(tb
[IWL_TM_ATTR_FIXRATE
]);
521 case IWL_TM_CMD_APP2DEV_GET_FW_VERSION
:
522 IWL_INFO(priv
, "uCode version raw: 0x%x\n", priv
->ucode_ver
);
524 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
526 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
529 NLA_PUT_U32(skb
, IWL_TM_ATTR_FW_VERSION
, priv
->ucode_ver
);
530 status
= cfg80211_testmode_reply(skb
);
533 "Error sending msg : %d\n", status
);
536 case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID
:
537 bus_get_hw_id(bus(priv
), buf
, sizeof(buf
));
540 sscanf(strsep(&ptr
, ":"), "%x", &num
);
541 sscanf(strsep(&ptr
, ":"), "%x", &devid
);
542 IWL_INFO(priv
, "Device ID = 0x%04x, SubDevice ID= 0x%04x\n",
544 devid
|= (num
<< 16);
546 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
, 20);
548 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
551 NLA_PUT_U32(skb
, IWL_TM_ATTR_DEVICE_ID
, devid
);
552 status
= cfg80211_testmode_reply(skb
);
555 "Error sending msg : %d\n", status
);
559 IWL_DEBUG_INFO(priv
, "Unknown testmode driver command ID\n");
571 * This function handles the user application commands for uCode trace
573 * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
574 * handlers respectively.
576 * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
577 * value of the actual command execution is replied to the user application.
579 * @hw: ieee80211_hw object that represents the device
580 * @tb: gnl message fields from the user space
582 static int iwl_testmode_trace(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
584 struct iwl_priv
*priv
= hw
->priv
;
587 struct device
*dev
= bus(priv
)->dev
;
589 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
590 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
591 if (priv
->testmode_trace
.trace_enabled
)
594 if (!tb
[IWL_TM_ATTR_TRACE_SIZE
])
595 priv
->testmode_trace
.buff_size
= TRACE_BUFF_SIZE_DEF
;
597 priv
->testmode_trace
.buff_size
=
598 nla_get_u32(tb
[IWL_TM_ATTR_TRACE_SIZE
]);
599 if (!priv
->testmode_trace
.buff_size
)
601 if (priv
->testmode_trace
.buff_size
< TRACE_BUFF_SIZE_MIN
||
602 priv
->testmode_trace
.buff_size
> TRACE_BUFF_SIZE_MAX
)
605 priv
->testmode_trace
.total_size
=
606 priv
->testmode_trace
.buff_size
+ TRACE_BUFF_PADD
;
607 priv
->testmode_trace
.cpu_addr
=
608 dma_alloc_coherent(dev
,
609 priv
->testmode_trace
.total_size
,
610 &priv
->testmode_trace
.dma_addr
,
612 if (!priv
->testmode_trace
.cpu_addr
)
614 priv
->testmode_trace
.trace_enabled
= true;
615 priv
->testmode_trace
.trace_addr
= (u8
*)PTR_ALIGN(
616 priv
->testmode_trace
.cpu_addr
, 0x100);
617 memset(priv
->testmode_trace
.trace_addr
, 0x03B,
618 priv
->testmode_trace
.buff_size
);
619 skb
= cfg80211_testmode_alloc_reply_skb(hw
->wiphy
,
620 sizeof(priv
->testmode_trace
.dma_addr
) + 20);
623 "Error allocating memory\n");
624 iwl_trace_cleanup(priv
);
627 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_ADDR
,
628 sizeof(priv
->testmode_trace
.dma_addr
),
629 (u64
*)&priv
->testmode_trace
.dma_addr
);
630 status
= cfg80211_testmode_reply(skb
);
633 "Error sending msg : %d\n",
636 priv
->testmode_trace
.num_chunks
=
637 DIV_ROUND_UP(priv
->testmode_trace
.buff_size
,
641 case IWL_TM_CMD_APP2DEV_END_TRACE
:
642 iwl_trace_cleanup(priv
);
645 IWL_DEBUG_INFO(priv
, "Unknown testmode mem command ID\n");
652 if (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]) ==
653 IWL_TM_CMD_APP2DEV_BEGIN_TRACE
)
654 iwl_trace_cleanup(priv
);
658 static int iwl_testmode_trace_dump(struct ieee80211_hw
*hw
, struct nlattr
**tb
,
660 struct netlink_callback
*cb
)
662 struct iwl_priv
*priv
= hw
->priv
;
665 if (priv
->testmode_trace
.trace_enabled
&&
666 priv
->testmode_trace
.trace_addr
) {
668 if (idx
>= priv
->testmode_trace
.num_chunks
)
670 length
= DUMP_CHUNK_SIZE
;
671 if (((idx
+ 1) == priv
->testmode_trace
.num_chunks
) &&
672 (priv
->testmode_trace
.buff_size
% DUMP_CHUNK_SIZE
))
673 length
= priv
->testmode_trace
.buff_size
%
676 NLA_PUT(skb
, IWL_TM_ATTR_TRACE_DUMP
, length
,
677 priv
->testmode_trace
.trace_addr
+
678 (DUMP_CHUNK_SIZE
* idx
));
690 * This function handles the user application switch ucode ownership.
692 * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and
693 * decide who the current owner of the uCode
695 * If the current owner is OWNERSHIP_TM, then the only host command
696 * can deliver to uCode is from testmode, all the other host commands
699 * default driver is the owner of uCode in normal operational mode
701 * @hw: ieee80211_hw object that represents the device
702 * @tb: gnl message fields from the user space
704 static int iwl_testmode_ownership(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
706 struct iwl_priv
*priv
= hw
->priv
;
709 if (!tb
[IWL_TM_ATTR_UCODE_OWNER
]) {
710 IWL_DEBUG_INFO(priv
, "Error finding ucode owner\n");
714 owner
= nla_get_u8(tb
[IWL_TM_ATTR_UCODE_OWNER
]);
715 if ((owner
== IWL_OWNERSHIP_DRIVER
) || (owner
== IWL_OWNERSHIP_TM
))
716 priv
->shrd
->ucode_owner
= owner
;
718 IWL_DEBUG_INFO(priv
, "Invalid owner\n");
725 * This function handles the user application commands for SRAM data dump
727 * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and
728 * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading
730 * Several error will be retured, -EBUSY if the SRAM data retrieved by
731 * previous command has not been delivered to userspace, or -ENOMSG if
732 * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE)
733 * are missing, or -ENOMEM if the buffer allocation fails.
735 * Otherwise 0 is replied indicating the success of the SRAM reading.
737 * @hw: ieee80211_hw object that represents the device
738 * @tb: gnl message fields from the user space
740 static int iwl_testmode_sram(struct ieee80211_hw
*hw
, struct nlattr
**tb
)
742 struct iwl_priv
*priv
= hw
->priv
;
743 u32 base
, ofs
, size
, maxsize
;
745 if (priv
->testmode_sram
.sram_readed
)
748 if (!tb
[IWL_TM_ATTR_SRAM_ADDR
]) {
749 IWL_DEBUG_INFO(priv
, "Error finding SRAM offset address\n");
752 ofs
= nla_get_u32(tb
[IWL_TM_ATTR_SRAM_ADDR
]);
753 if (!tb
[IWL_TM_ATTR_SRAM_SIZE
]) {
754 IWL_DEBUG_INFO(priv
, "Error finding size for SRAM reading\n");
757 size
= nla_get_u32(tb
[IWL_TM_ATTR_SRAM_SIZE
]);
758 switch (priv
->shrd
->ucode_type
) {
759 case IWL_UCODE_REGULAR
:
760 maxsize
= trans(priv
)->ucode_rt
.data
.len
;
763 maxsize
= trans(priv
)->ucode_init
.data
.len
;
765 case IWL_UCODE_WOWLAN
:
766 maxsize
= trans(priv
)->ucode_wowlan
.data
.len
;
769 IWL_DEBUG_INFO(priv
, "Error, uCode does not been loaded\n");
772 IWL_DEBUG_INFO(priv
, "Error, unsupported uCode type\n");
775 if ((ofs
+ size
) > maxsize
) {
776 IWL_DEBUG_INFO(priv
, "Invalid offset/size: out of range\n");
779 priv
->testmode_sram
.buff_size
= (size
/ 4) * 4;
780 priv
->testmode_sram
.buff_addr
=
781 kmalloc(priv
->testmode_sram
.buff_size
, GFP_KERNEL
);
782 if (priv
->testmode_sram
.buff_addr
== NULL
) {
783 IWL_DEBUG_INFO(priv
, "Error allocating memory\n");
787 _iwl_read_targ_mem_words(bus(priv
), base
+ ofs
,
788 priv
->testmode_sram
.buff_addr
,
789 priv
->testmode_sram
.buff_size
/ 4);
790 priv
->testmode_sram
.num_chunks
=
791 DIV_ROUND_UP(priv
->testmode_sram
.buff_size
, DUMP_CHUNK_SIZE
);
792 priv
->testmode_sram
.sram_readed
= true;
796 static int iwl_testmode_sram_dump(struct ieee80211_hw
*hw
, struct nlattr
**tb
,
798 struct netlink_callback
*cb
)
800 struct iwl_priv
*priv
= hw
->priv
;
803 if (priv
->testmode_sram
.sram_readed
) {
805 if (idx
>= priv
->testmode_sram
.num_chunks
) {
806 iwl_sram_cleanup(priv
);
809 length
= DUMP_CHUNK_SIZE
;
810 if (((idx
+ 1) == priv
->testmode_sram
.num_chunks
) &&
811 (priv
->testmode_sram
.buff_size
% DUMP_CHUNK_SIZE
))
812 length
= priv
->testmode_sram
.buff_size
%
815 NLA_PUT(skb
, IWL_TM_ATTR_SRAM_DUMP
, length
,
816 priv
->testmode_sram
.buff_addr
+
817 (DUMP_CHUNK_SIZE
* idx
));
829 /* The testmode gnl message handler that takes the gnl message from the
830 * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
831 * invoke the corresponding handlers.
833 * This function is invoked when there is user space application sending
834 * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
837 * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
838 * dispatching it to the corresponding handler.
840 * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
841 * -ENOSYS is replied to the user application if the command is unknown;
842 * Otherwise, the command is dispatched to the respective handler.
844 * @hw: ieee80211_hw object that represents the device
845 * @data: pointer to user space message
846 * @len: length in byte of @data
848 int iwlagn_mac_testmode_cmd(struct ieee80211_hw
*hw
, void *data
, int len
)
850 struct nlattr
*tb
[IWL_TM_ATTR_MAX
];
851 struct iwl_priv
*priv
= hw
->priv
;
854 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
855 iwl_testmode_gnl_msg_policy
);
858 "Error parsing the gnl message : %d\n", result
);
862 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
863 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
864 IWL_DEBUG_INFO(priv
, "Error finding testmode command type\n");
867 /* in case multiple accesses to the device happens */
868 mutex_lock(&priv
->shrd
->mutex
);
870 switch (nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
])) {
871 case IWL_TM_CMD_APP2DEV_UCODE
:
872 IWL_DEBUG_INFO(priv
, "testmode cmd to uCode\n");
873 result
= iwl_testmode_ucode(hw
, tb
);
875 case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32
:
876 case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32
:
877 case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8
:
878 case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32
:
879 case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32
:
880 IWL_DEBUG_INFO(priv
, "testmode cmd to register\n");
881 result
= iwl_testmode_reg(hw
, tb
);
883 case IWL_TM_CMD_APP2DEV_GET_DEVICENAME
:
884 case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW
:
885 case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB
:
886 case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW
:
887 case IWL_TM_CMD_APP2DEV_GET_EEPROM
:
888 case IWL_TM_CMD_APP2DEV_FIXRATE_REQ
:
889 case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW
:
890 case IWL_TM_CMD_APP2DEV_GET_FW_VERSION
:
891 case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID
:
892 IWL_DEBUG_INFO(priv
, "testmode cmd to driver\n");
893 result
= iwl_testmode_driver(hw
, tb
);
896 case IWL_TM_CMD_APP2DEV_BEGIN_TRACE
:
897 case IWL_TM_CMD_APP2DEV_END_TRACE
:
898 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
899 IWL_DEBUG_INFO(priv
, "testmode uCode trace cmd to driver\n");
900 result
= iwl_testmode_trace(hw
, tb
);
903 case IWL_TM_CMD_APP2DEV_OWNERSHIP
:
904 IWL_DEBUG_INFO(priv
, "testmode change uCode ownership\n");
905 result
= iwl_testmode_ownership(hw
, tb
);
908 case IWL_TM_CMD_APP2DEV_READ_SRAM
:
909 IWL_DEBUG_INFO(priv
, "testmode sram read cmd to driver\n");
910 result
= iwl_testmode_sram(hw
, tb
);
914 IWL_DEBUG_INFO(priv
, "Unknown testmode command\n");
919 mutex_unlock(&priv
->shrd
->mutex
);
923 int iwlagn_mac_testmode_dump(struct ieee80211_hw
*hw
, struct sk_buff
*skb
,
924 struct netlink_callback
*cb
,
927 struct nlattr
*tb
[IWL_TM_ATTR_MAX
];
928 struct iwl_priv
*priv
= hw
->priv
;
933 /* offset by 1 since commands start at 0 */
934 cmd
= cb
->args
[3] - 1;
936 result
= nla_parse(tb
, IWL_TM_ATTR_MAX
- 1, data
, len
,
937 iwl_testmode_gnl_msg_policy
);
940 "Error parsing the gnl message : %d\n", result
);
944 /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
945 if (!tb
[IWL_TM_ATTR_COMMAND
]) {
947 "Error finding testmode command type\n");
950 cmd
= nla_get_u32(tb
[IWL_TM_ATTR_COMMAND
]);
951 cb
->args
[3] = cmd
+ 1;
954 /* in case multiple accesses to the device happens */
955 mutex_lock(&priv
->shrd
->mutex
);
957 case IWL_TM_CMD_APP2DEV_READ_TRACE
:
958 IWL_DEBUG_INFO(priv
, "uCode trace cmd to driver\n");
959 result
= iwl_testmode_trace_dump(hw
, tb
, skb
, cb
);
961 case IWL_TM_CMD_APP2DEV_DUMP_SRAM
:
962 IWL_DEBUG_INFO(priv
, "testmode sram dump cmd to driver\n");
963 result
= iwl_testmode_sram_dump(hw
, tb
, skb
, cb
);
970 mutex_unlock(&priv
->shrd
->mutex
);