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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) 2012 - 2013 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) 2012 - 2013 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 <net/mac80211.h> | |
64 | ||
65 | #include "iwl-debug.h" | |
66 | #include "iwl-io.h" | |
67 | ||
68 | #include "mvm.h" | |
69 | #include "fw-api-rs.h" | |
70 | ||
71 | /* | |
72 | * Will return 0 even if the cmd failed when RFKILL is asserted unless | |
73 | * CMD_WANT_SKB is set in cmd->flags. | |
74 | */ | |
75 | int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) | |
76 | { | |
77 | int ret; | |
78 | ||
79 | /* | |
80 | * Synchronous commands from this op-mode must hold | |
81 | * the mutex, this ensures we don't try to send two | |
82 | * (or more) synchronous commands at a time. | |
83 | */ | |
84 | if (!(cmd->flags & CMD_ASYNC)) | |
85 | lockdep_assert_held(&mvm->mutex); | |
86 | ||
87 | ret = iwl_trans_send_cmd(mvm->trans, cmd); | |
88 | ||
89 | /* | |
90 | * If the caller wants the SKB, then don't hide any problems, the | |
91 | * caller might access the response buffer which will be NULL if | |
92 | * the command failed. | |
93 | */ | |
94 | if (cmd->flags & CMD_WANT_SKB) | |
95 | return ret; | |
96 | ||
97 | /* Silently ignore failures if RFKILL is asserted */ | |
98 | if (!ret || ret == -ERFKILL) | |
99 | return 0; | |
100 | return ret; | |
101 | } | |
102 | ||
103 | int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, | |
104 | u32 flags, u16 len, const void *data) | |
105 | { | |
106 | struct iwl_host_cmd cmd = { | |
107 | .id = id, | |
108 | .len = { len, }, | |
109 | .data = { data, }, | |
110 | .flags = flags, | |
111 | }; | |
112 | ||
113 | return iwl_mvm_send_cmd(mvm, &cmd); | |
114 | } | |
115 | ||
116 | /* | |
117 | * We assume that the caller set the status to the sucess value | |
118 | */ | |
119 | int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, | |
120 | u32 *status) | |
121 | { | |
122 | struct iwl_rx_packet *pkt; | |
123 | struct iwl_cmd_response *resp; | |
124 | int ret, resp_len; | |
125 | ||
126 | lockdep_assert_held(&mvm->mutex); | |
127 | ||
128 | /* | |
129 | * Only synchronous commands can wait for status, | |
130 | * we use WANT_SKB so the caller can't. | |
131 | */ | |
132 | if (WARN_ONCE(cmd->flags & (CMD_ASYNC | CMD_WANT_SKB), | |
133 | "cmd flags %x", cmd->flags)) | |
134 | return -EINVAL; | |
135 | ||
136 | cmd->flags |= CMD_SYNC | CMD_WANT_SKB; | |
137 | ||
138 | ret = iwl_trans_send_cmd(mvm->trans, cmd); | |
139 | if (ret == -ERFKILL) { | |
140 | /* | |
141 | * The command failed because of RFKILL, don't update | |
142 | * the status, leave it as success and return 0. | |
143 | */ | |
144 | return 0; | |
145 | } else if (ret) { | |
146 | return ret; | |
147 | } | |
148 | ||
149 | pkt = cmd->resp_pkt; | |
150 | /* Can happen if RFKILL is asserted */ | |
151 | if (!pkt) { | |
152 | ret = 0; | |
153 | goto out_free_resp; | |
154 | } | |
155 | ||
156 | if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { | |
157 | ret = -EIO; | |
158 | goto out_free_resp; | |
159 | } | |
160 | ||
161 | resp_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; | |
162 | if (WARN_ON_ONCE(resp_len != sizeof(pkt->hdr) + sizeof(*resp))) { | |
163 | ret = -EIO; | |
164 | goto out_free_resp; | |
165 | } | |
166 | ||
167 | resp = (void *)pkt->data; | |
168 | *status = le32_to_cpu(resp->status); | |
169 | out_free_resp: | |
170 | iwl_free_resp(cmd); | |
171 | return ret; | |
172 | } | |
173 | ||
174 | /* | |
175 | * We assume that the caller set the status to the sucess value | |
176 | */ | |
177 | int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, u16 len, | |
178 | const void *data, u32 *status) | |
179 | { | |
180 | struct iwl_host_cmd cmd = { | |
181 | .id = id, | |
182 | .len = { len, }, | |
183 | .data = { data, }, | |
184 | }; | |
185 | ||
186 | return iwl_mvm_send_cmd_status(mvm, &cmd, status); | |
187 | } | |
188 | ||
189 | #define IWL_DECLARE_RATE_INFO(r) \ | |
190 | [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP | |
191 | ||
192 | /* | |
193 | * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP | |
194 | */ | |
195 | static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = { | |
196 | IWL_DECLARE_RATE_INFO(1), | |
197 | IWL_DECLARE_RATE_INFO(2), | |
198 | IWL_DECLARE_RATE_INFO(5), | |
199 | IWL_DECLARE_RATE_INFO(11), | |
200 | IWL_DECLARE_RATE_INFO(6), | |
201 | IWL_DECLARE_RATE_INFO(9), | |
202 | IWL_DECLARE_RATE_INFO(12), | |
203 | IWL_DECLARE_RATE_INFO(18), | |
204 | IWL_DECLARE_RATE_INFO(24), | |
205 | IWL_DECLARE_RATE_INFO(36), | |
206 | IWL_DECLARE_RATE_INFO(48), | |
207 | IWL_DECLARE_RATE_INFO(54), | |
208 | }; | |
209 | ||
210 | int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, | |
211 | enum ieee80211_band band) | |
212 | { | |
213 | int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; | |
214 | int idx; | |
215 | int band_offset = 0; | |
216 | ||
217 | /* Legacy rate format, search for match in table */ | |
218 | if (band == IEEE80211_BAND_5GHZ) | |
219 | band_offset = IWL_FIRST_OFDM_RATE; | |
220 | for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) | |
221 | if (fw_rate_idx_to_plcp[idx] == rate) | |
222 | return idx - band_offset; | |
223 | ||
224 | return -1; | |
225 | } | |
226 | ||
227 | u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) | |
228 | { | |
229 | /* Get PLCP rate for tx_cmd->rate_n_flags */ | |
230 | return fw_rate_idx_to_plcp[rate_idx]; | |
231 | } | |
232 | ||
233 | int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, | |
234 | struct iwl_device_cmd *cmd) | |
235 | { | |
236 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
237 | struct iwl_error_resp *err_resp = (void *)pkt->data; | |
238 | ||
239 | IWL_ERR(mvm, "FW Error notification: type 0x%08X cmd_id 0x%02X\n", | |
240 | le32_to_cpu(err_resp->error_type), err_resp->cmd_id); | |
241 | IWL_ERR(mvm, "FW Error notification: seq 0x%04X service 0x%08X\n", | |
242 | le16_to_cpu(err_resp->bad_cmd_seq_num), | |
243 | le32_to_cpu(err_resp->error_service)); | |
244 | IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", | |
245 | le64_to_cpu(err_resp->timestamp)); | |
246 | return 0; | |
247 | } | |
248 | ||
249 | /* | |
250 | * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h. | |
251 | * The parameter should also be a combination of ANT_[ABC]. | |
252 | */ | |
253 | u8 first_antenna(u8 mask) | |
254 | { | |
255 | BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */ | |
256 | WARN_ON_ONCE(!mask); /* ffs will return 0 if mask is zeroed */ | |
257 | return (u8)(BIT(ffs(mask))); | |
258 | } | |
259 | ||
260 | /* | |
261 | * Toggles between TX antennas to send the probe request on. | |
262 | * Receives the bitmask of valid TX antennas and the *index* used | |
263 | * for the last TX, and returns the next valid *index* to use. | |
264 | * In order to set it in the tx_cmd, must do BIT(idx). | |
265 | */ | |
266 | u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx) | |
267 | { | |
268 | u8 ind = last_idx; | |
269 | int i; | |
270 | ||
271 | for (i = 0; i < RATE_MCS_ANT_NUM; i++) { | |
272 | ind = (ind + 1) % RATE_MCS_ANT_NUM; | |
273 | if (valid & BIT(ind)) | |
274 | return ind; | |
275 | } | |
276 | ||
277 | WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid); | |
278 | return last_idx; | |
279 | } | |
280 | ||
281 | static struct { | |
282 | char *name; | |
283 | u8 num; | |
284 | } advanced_lookup[] = { | |
285 | { "NMI_INTERRUPT_WDG", 0x34 }, | |
286 | { "SYSASSERT", 0x35 }, | |
287 | { "UCODE_VERSION_MISMATCH", 0x37 }, | |
288 | { "BAD_COMMAND", 0x38 }, | |
289 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, | |
290 | { "FATAL_ERROR", 0x3D }, | |
291 | { "NMI_TRM_HW_ERR", 0x46 }, | |
292 | { "NMI_INTERRUPT_TRM", 0x4C }, | |
293 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, | |
294 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, | |
295 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, | |
296 | { "NMI_INTERRUPT_HOST", 0x66 }, | |
297 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, | |
298 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, | |
299 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, | |
300 | { "ADVANCED_SYSASSERT", 0 }, | |
301 | }; | |
302 | ||
303 | static const char *desc_lookup(u32 num) | |
304 | { | |
305 | int i; | |
306 | ||
307 | for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++) | |
308 | if (advanced_lookup[i].num == num) | |
309 | return advanced_lookup[i].name; | |
310 | ||
311 | /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */ | |
312 | return advanced_lookup[i].name; | |
313 | } | |
314 | ||
315 | /* | |
316 | * Note: This structure is read from the device with IO accesses, | |
317 | * and the reading already does the endian conversion. As it is | |
318 | * read with u32-sized accesses, any members with a different size | |
319 | * need to be ordered correctly though! | |
320 | */ | |
321 | struct iwl_error_event_table { | |
322 | u32 valid; /* (nonzero) valid, (0) log is empty */ | |
323 | u32 error_id; /* type of error */ | |
324 | u32 pc; /* program counter */ | |
325 | u32 blink1; /* branch link */ | |
326 | u32 blink2; /* branch link */ | |
327 | u32 ilink1; /* interrupt link */ | |
328 | u32 ilink2; /* interrupt link */ | |
329 | u32 data1; /* error-specific data */ | |
330 | u32 data2; /* error-specific data */ | |
331 | u32 data3; /* error-specific data */ | |
332 | u32 bcon_time; /* beacon timer */ | |
333 | u32 tsf_low; /* network timestamp function timer */ | |
334 | u32 tsf_hi; /* network timestamp function timer */ | |
335 | u32 gp1; /* GP1 timer register */ | |
336 | u32 gp2; /* GP2 timer register */ | |
337 | u32 gp3; /* GP3 timer register */ | |
338 | u32 ucode_ver; /* uCode version */ | |
339 | u32 hw_ver; /* HW Silicon version */ | |
340 | u32 brd_ver; /* HW board version */ | |
341 | u32 log_pc; /* log program counter */ | |
342 | u32 frame_ptr; /* frame pointer */ | |
343 | u32 stack_ptr; /* stack pointer */ | |
344 | u32 hcmd; /* last host command header */ | |
345 | u32 isr0; /* isr status register LMPM_NIC_ISR0: | |
346 | * rxtx_flag */ | |
347 | u32 isr1; /* isr status register LMPM_NIC_ISR1: | |
348 | * host_flag */ | |
349 | u32 isr2; /* isr status register LMPM_NIC_ISR2: | |
350 | * enc_flag */ | |
351 | u32 isr3; /* isr status register LMPM_NIC_ISR3: | |
352 | * time_flag */ | |
353 | u32 isr4; /* isr status register LMPM_NIC_ISR4: | |
354 | * wico interrupt */ | |
355 | u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ | |
356 | u32 wait_event; /* wait event() caller address */ | |
357 | u32 l2p_control; /* L2pControlField */ | |
358 | u32 l2p_duration; /* L2pDurationField */ | |
359 | u32 l2p_mhvalid; /* L2pMhValidBits */ | |
360 | u32 l2p_addr_match; /* L2pAddrMatchStat */ | |
361 | u32 lmpm_pmg_sel; /* indicate which clocks are turned on | |
362 | * (LMPM_PMG_SEL) */ | |
363 | u32 u_timestamp; /* indicate when the date and time of the | |
364 | * compilation */ | |
365 | u32 flow_handler; /* FH read/write pointers, RX credit */ | |
366 | } __packed; | |
367 | ||
368 | #define ERROR_START_OFFSET (1 * sizeof(u32)) | |
369 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) | |
370 | ||
371 | void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) | |
372 | { | |
373 | struct iwl_trans *trans = mvm->trans; | |
374 | struct iwl_error_event_table table; | |
375 | u32 base; | |
376 | ||
377 | base = mvm->error_event_table; | |
378 | if (mvm->cur_ucode == IWL_UCODE_INIT) { | |
379 | if (!base) | |
380 | base = mvm->fw->init_errlog_ptr; | |
381 | } else { | |
382 | if (!base) | |
383 | base = mvm->fw->inst_errlog_ptr; | |
384 | } | |
385 | ||
386 | if (base < 0x800000 || base >= 0x80C000) { | |
387 | IWL_ERR(mvm, | |
388 | "Not valid error log pointer 0x%08X for %s uCode\n", | |
389 | base, | |
390 | (mvm->cur_ucode == IWL_UCODE_INIT) | |
391 | ? "Init" : "RT"); | |
392 | return; | |
393 | } | |
394 | ||
395 | iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); | |
396 | ||
397 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | |
398 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | |
399 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | |
400 | mvm->status, table.valid); | |
401 | } | |
402 | ||
403 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | |
404 | table.data1, table.data2, table.data3, | |
405 | table.blink1, table.blink2, table.ilink1, | |
406 | table.ilink2, table.bcon_time, table.gp1, | |
407 | table.gp2, table.gp3, table.ucode_ver, | |
408 | table.hw_ver, table.brd_ver); | |
409 | IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id, | |
410 | desc_lookup(table.error_id)); | |
411 | IWL_ERR(mvm, "0x%08X | uPc\n", table.pc); | |
412 | IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1); | |
413 | IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2); | |
414 | IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1); | |
415 | IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2); | |
416 | IWL_ERR(mvm, "0x%08X | data1\n", table.data1); | |
417 | IWL_ERR(mvm, "0x%08X | data2\n", table.data2); | |
418 | IWL_ERR(mvm, "0x%08X | data3\n", table.data3); | |
419 | IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time); | |
420 | IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low); | |
421 | IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi); | |
422 | IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1); | |
423 | IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2); | |
424 | IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3); | |
425 | IWL_ERR(mvm, "0x%08X | uCode version\n", table.ucode_ver); | |
426 | IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver); | |
427 | IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver); | |
428 | IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd); | |
429 | IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0); | |
430 | IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1); | |
431 | IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2); | |
432 | IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3); | |
433 | IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4); | |
434 | IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref); | |
435 | IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event); | |
436 | IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control); | |
437 | IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration); | |
438 | IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | |
439 | IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | |
440 | IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | |
441 | IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp); | |
442 | IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); | |
443 | } | |
444 | ||
445 | /** | |
446 | * iwl_mvm_send_lq_cmd() - Send link quality command | |
447 | * @init: This command is sent as part of station initialization right | |
448 | * after station has been added. | |
449 | * | |
450 | * The link quality command is sent as the last step of station creation. | |
451 | * This is the special case in which init is set and we call a callback in | |
452 | * this case to clear the state indicating that station creation is in | |
453 | * progress. | |
454 | */ | |
455 | int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, | |
456 | u8 flags, bool init) | |
457 | { | |
458 | struct iwl_host_cmd cmd = { | |
459 | .id = LQ_CMD, | |
460 | .len = { sizeof(struct iwl_lq_cmd), }, | |
461 | .flags = flags, | |
462 | .data = { lq, }, | |
463 | }; | |
464 | ||
465 | if (WARN_ON(lq->sta_id == IWL_INVALID_STATION)) | |
466 | return -EINVAL; | |
467 | ||
468 | if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) | |
469 | return -EINVAL; | |
470 | ||
471 | return iwl_mvm_send_cmd(mvm, &cmd); | |
472 | } |