diff options
author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-17 13:57:38 -0500 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 07:28:30 -0500 |
commit | e705c12146aa9c69ca498d4ebb83ba7138f9b41f (patch) | |
tree | b55d4eb7a83c2ec117f460684eb71c89eee6a709 /drivers/net/wireless/intel/iwlwifi/mvm/utils.c | |
parent | 7ac9a364c1721a863ecc6cc9aba66e10114908db (diff) |
iwlwifi: move under intel vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/utils.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 1083 |
1 files changed, 1083 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c new file mode 100644 index 000000000000..ad0f16909e2e --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c | |||
@@ -0,0 +1,1083 @@ | |||
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 - 2014 Intel Corporation. All rights reserved. | ||
9 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH | ||
10 | * Copyright (C) 2015 Intel Deutschland GmbH | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of version 2 of the GNU General Public License as | ||
14 | * published by the Free Software Foundation. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, but | ||
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
19 | * General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | ||
24 | * USA | ||
25 | * | ||
26 | * The full GNU General Public License is included in this distribution | ||
27 | * in the file called COPYING. | ||
28 | * | ||
29 | * Contact Information: | ||
30 | * Intel Linux Wireless <ilw@linux.intel.com> | ||
31 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | ||
32 | * | ||
33 | * BSD LICENSE | ||
34 | * | ||
35 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. | ||
36 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH | ||
37 | * All rights reserved. | ||
38 | * | ||
39 | * Redistribution and use in source and binary forms, with or without | ||
40 | * modification, are permitted provided that the following conditions | ||
41 | * are met: | ||
42 | * | ||
43 | * * Redistributions of source code must retain the above copyright | ||
44 | * notice, this list of conditions and the following disclaimer. | ||
45 | * * Redistributions in binary form must reproduce the above copyright | ||
46 | * notice, this list of conditions and the following disclaimer in | ||
47 | * the documentation and/or other materials provided with the | ||
48 | * distribution. | ||
49 | * * Neither the name Intel Corporation nor the names of its | ||
50 | * contributors may be used to endorse or promote products derived | ||
51 | * from this software without specific prior written permission. | ||
52 | * | ||
53 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
54 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
55 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
56 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
57 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
58 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
59 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
60 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
61 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
62 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
63 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
64 | * | ||
65 | *****************************************************************************/ | ||
66 | #include <net/mac80211.h> | ||
67 | |||
68 | #include "iwl-debug.h" | ||
69 | #include "iwl-io.h" | ||
70 | #include "iwl-prph.h" | ||
71 | |||
72 | #include "mvm.h" | ||
73 | #include "fw-api-rs.h" | ||
74 | |||
75 | /* | ||
76 | * Will return 0 even if the cmd failed when RFKILL is asserted unless | ||
77 | * CMD_WANT_SKB is set in cmd->flags. | ||
78 | */ | ||
79 | int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) | ||
80 | { | ||
81 | int ret; | ||
82 | |||
83 | #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP) | ||
84 | if (WARN_ON(mvm->d3_test_active)) | ||
85 | return -EIO; | ||
86 | #endif | ||
87 | |||
88 | /* | ||
89 | * Synchronous commands from this op-mode must hold | ||
90 | * the mutex, this ensures we don't try to send two | ||
91 | * (or more) synchronous commands at a time. | ||
92 | */ | ||
93 | if (!(cmd->flags & CMD_ASYNC)) | ||
94 | lockdep_assert_held(&mvm->mutex); | ||
95 | |||
96 | ret = iwl_trans_send_cmd(mvm->trans, cmd); | ||
97 | |||
98 | /* | ||
99 | * If the caller wants the SKB, then don't hide any problems, the | ||
100 | * caller might access the response buffer which will be NULL if | ||
101 | * the command failed. | ||
102 | */ | ||
103 | if (cmd->flags & CMD_WANT_SKB) | ||
104 | return ret; | ||
105 | |||
106 | /* Silently ignore failures if RFKILL is asserted */ | ||
107 | if (!ret || ret == -ERFKILL) | ||
108 | return 0; | ||
109 | return ret; | ||
110 | } | ||
111 | |||
112 | int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, | ||
113 | u32 flags, u16 len, const void *data) | ||
114 | { | ||
115 | struct iwl_host_cmd cmd = { | ||
116 | .id = id, | ||
117 | .len = { len, }, | ||
118 | .data = { data, }, | ||
119 | .flags = flags, | ||
120 | }; | ||
121 | |||
122 | return iwl_mvm_send_cmd(mvm, &cmd); | ||
123 | } | ||
124 | |||
125 | /* | ||
126 | * We assume that the caller set the status to the success value | ||
127 | */ | ||
128 | int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, | ||
129 | u32 *status) | ||
130 | { | ||
131 | struct iwl_rx_packet *pkt; | ||
132 | struct iwl_cmd_response *resp; | ||
133 | int ret, resp_len; | ||
134 | |||
135 | lockdep_assert_held(&mvm->mutex); | ||
136 | |||
137 | #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP) | ||
138 | if (WARN_ON(mvm->d3_test_active)) | ||
139 | return -EIO; | ||
140 | #endif | ||
141 | |||
142 | /* | ||
143 | * Only synchronous commands can wait for status, | ||
144 | * we use WANT_SKB so the caller can't. | ||
145 | */ | ||
146 | if (WARN_ONCE(cmd->flags & (CMD_ASYNC | CMD_WANT_SKB), | ||
147 | "cmd flags %x", cmd->flags)) | ||
148 | return -EINVAL; | ||
149 | |||
150 | cmd->flags |= CMD_WANT_SKB; | ||
151 | |||
152 | ret = iwl_trans_send_cmd(mvm->trans, cmd); | ||
153 | if (ret == -ERFKILL) { | ||
154 | /* | ||
155 | * The command failed because of RFKILL, don't update | ||
156 | * the status, leave it as success and return 0. | ||
157 | */ | ||
158 | return 0; | ||
159 | } else if (ret) { | ||
160 | return ret; | ||
161 | } | ||
162 | |||
163 | pkt = cmd->resp_pkt; | ||
164 | /* Can happen if RFKILL is asserted */ | ||
165 | if (!pkt) { | ||
166 | ret = 0; | ||
167 | goto out_free_resp; | ||
168 | } | ||
169 | |||
170 | resp_len = iwl_rx_packet_payload_len(pkt); | ||
171 | if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { | ||
172 | ret = -EIO; | ||
173 | goto out_free_resp; | ||
174 | } | ||
175 | |||
176 | resp = (void *)pkt->data; | ||
177 | *status = le32_to_cpu(resp->status); | ||
178 | out_free_resp: | ||
179 | iwl_free_resp(cmd); | ||
180 | return ret; | ||
181 | } | ||
182 | |||
183 | /* | ||
184 | * We assume that the caller set the status to the sucess value | ||
185 | */ | ||
186 | int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, | ||
187 | const void *data, u32 *status) | ||
188 | { | ||
189 | struct iwl_host_cmd cmd = { | ||
190 | .id = id, | ||
191 | .len = { len, }, | ||
192 | .data = { data, }, | ||
193 | }; | ||
194 | |||
195 | return iwl_mvm_send_cmd_status(mvm, &cmd, status); | ||
196 | } | ||
197 | |||
198 | #define IWL_DECLARE_RATE_INFO(r) \ | ||
199 | [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP | ||
200 | |||
201 | /* | ||
202 | * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP | ||
203 | */ | ||
204 | static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = { | ||
205 | IWL_DECLARE_RATE_INFO(1), | ||
206 | IWL_DECLARE_RATE_INFO(2), | ||
207 | IWL_DECLARE_RATE_INFO(5), | ||
208 | IWL_DECLARE_RATE_INFO(11), | ||
209 | IWL_DECLARE_RATE_INFO(6), | ||
210 | IWL_DECLARE_RATE_INFO(9), | ||
211 | IWL_DECLARE_RATE_INFO(12), | ||
212 | IWL_DECLARE_RATE_INFO(18), | ||
213 | IWL_DECLARE_RATE_INFO(24), | ||
214 | IWL_DECLARE_RATE_INFO(36), | ||
215 | IWL_DECLARE_RATE_INFO(48), | ||
216 | IWL_DECLARE_RATE_INFO(54), | ||
217 | }; | ||
218 | |||
219 | int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, | ||
220 | enum ieee80211_band band) | ||
221 | { | ||
222 | int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; | ||
223 | int idx; | ||
224 | int band_offset = 0; | ||
225 | |||
226 | /* Legacy rate format, search for match in table */ | ||
227 | if (band == IEEE80211_BAND_5GHZ) | ||
228 | band_offset = IWL_FIRST_OFDM_RATE; | ||
229 | for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) | ||
230 | if (fw_rate_idx_to_plcp[idx] == rate) | ||
231 | return idx - band_offset; | ||
232 | |||
233 | return -1; | ||
234 | } | ||
235 | |||
236 | u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) | ||
237 | { | ||
238 | /* Get PLCP rate for tx_cmd->rate_n_flags */ | ||
239 | return fw_rate_idx_to_plcp[rate_idx]; | ||
240 | } | ||
241 | |||
242 | void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) | ||
243 | { | ||
244 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | ||
245 | struct iwl_error_resp *err_resp = (void *)pkt->data; | ||
246 | |||
247 | IWL_ERR(mvm, "FW Error notification: type 0x%08X cmd_id 0x%02X\n", | ||
248 | le32_to_cpu(err_resp->error_type), err_resp->cmd_id); | ||
249 | IWL_ERR(mvm, "FW Error notification: seq 0x%04X service 0x%08X\n", | ||
250 | le16_to_cpu(err_resp->bad_cmd_seq_num), | ||
251 | le32_to_cpu(err_resp->error_service)); | ||
252 | IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", | ||
253 | le64_to_cpu(err_resp->timestamp)); | ||
254 | } | ||
255 | |||
256 | /* | ||
257 | * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h. | ||
258 | * The parameter should also be a combination of ANT_[ABC]. | ||
259 | */ | ||
260 | u8 first_antenna(u8 mask) | ||
261 | { | ||
262 | BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */ | ||
263 | if (WARN_ON_ONCE(!mask)) /* ffs will return 0 if mask is zeroed */ | ||
264 | return BIT(0); | ||
265 | return BIT(ffs(mask) - 1); | ||
266 | } | ||
267 | |||
268 | /* | ||
269 | * Toggles between TX antennas to send the probe request on. | ||
270 | * Receives the bitmask of valid TX antennas and the *index* used | ||
271 | * for the last TX, and returns the next valid *index* to use. | ||
272 | * In order to set it in the tx_cmd, must do BIT(idx). | ||
273 | */ | ||
274 | u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx) | ||
275 | { | ||
276 | u8 ind = last_idx; | ||
277 | int i; | ||
278 | |||
279 | for (i = 0; i < RATE_MCS_ANT_NUM; i++) { | ||
280 | ind = (ind + 1) % RATE_MCS_ANT_NUM; | ||
281 | if (valid & BIT(ind)) | ||
282 | return ind; | ||
283 | } | ||
284 | |||
285 | WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid); | ||
286 | return last_idx; | ||
287 | } | ||
288 | |||
289 | static const struct { | ||
290 | const char *name; | ||
291 | u8 num; | ||
292 | } advanced_lookup[] = { | ||
293 | { "NMI_INTERRUPT_WDG", 0x34 }, | ||
294 | { "SYSASSERT", 0x35 }, | ||
295 | { "UCODE_VERSION_MISMATCH", 0x37 }, | ||
296 | { "BAD_COMMAND", 0x38 }, | ||
297 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, | ||
298 | { "FATAL_ERROR", 0x3D }, | ||
299 | { "NMI_TRM_HW_ERR", 0x46 }, | ||
300 | { "NMI_INTERRUPT_TRM", 0x4C }, | ||
301 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, | ||
302 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, | ||
303 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, | ||
304 | { "NMI_INTERRUPT_HOST", 0x66 }, | ||
305 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, | ||
306 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, | ||
307 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, | ||
308 | { "ADVANCED_SYSASSERT", 0 }, | ||
309 | }; | ||
310 | |||
311 | static const char *desc_lookup(u32 num) | ||
312 | { | ||
313 | int i; | ||
314 | |||
315 | for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++) | ||
316 | if (advanced_lookup[i].num == num) | ||
317 | return advanced_lookup[i].name; | ||
318 | |||
319 | /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */ | ||
320 | return advanced_lookup[i].name; | ||
321 | } | ||
322 | |||
323 | /* | ||
324 | * Note: This structure is read from the device with IO accesses, | ||
325 | * and the reading already does the endian conversion. As it is | ||
326 | * read with u32-sized accesses, any members with a different size | ||
327 | * need to be ordered correctly though! | ||
328 | */ | ||
329 | struct iwl_error_event_table_v1 { | ||
330 | u32 valid; /* (nonzero) valid, (0) log is empty */ | ||
331 | u32 error_id; /* type of error */ | ||
332 | u32 pc; /* program counter */ | ||
333 | u32 blink1; /* branch link */ | ||
334 | u32 blink2; /* branch link */ | ||
335 | u32 ilink1; /* interrupt link */ | ||
336 | u32 ilink2; /* interrupt link */ | ||
337 | u32 data1; /* error-specific data */ | ||
338 | u32 data2; /* error-specific data */ | ||
339 | u32 data3; /* error-specific data */ | ||
340 | u32 bcon_time; /* beacon timer */ | ||
341 | u32 tsf_low; /* network timestamp function timer */ | ||
342 | u32 tsf_hi; /* network timestamp function timer */ | ||
343 | u32 gp1; /* GP1 timer register */ | ||
344 | u32 gp2; /* GP2 timer register */ | ||
345 | u32 gp3; /* GP3 timer register */ | ||
346 | u32 ucode_ver; /* uCode version */ | ||
347 | u32 hw_ver; /* HW Silicon version */ | ||
348 | u32 brd_ver; /* HW board version */ | ||
349 | u32 log_pc; /* log program counter */ | ||
350 | u32 frame_ptr; /* frame pointer */ | ||
351 | u32 stack_ptr; /* stack pointer */ | ||
352 | u32 hcmd; /* last host command header */ | ||
353 | u32 isr0; /* isr status register LMPM_NIC_ISR0: | ||
354 | * rxtx_flag */ | ||
355 | u32 isr1; /* isr status register LMPM_NIC_ISR1: | ||
356 | * host_flag */ | ||
357 | u32 isr2; /* isr status register LMPM_NIC_ISR2: | ||
358 | * enc_flag */ | ||
359 | u32 isr3; /* isr status register LMPM_NIC_ISR3: | ||
360 | * time_flag */ | ||
361 | u32 isr4; /* isr status register LMPM_NIC_ISR4: | ||
362 | * wico interrupt */ | ||
363 | u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ | ||
364 | u32 wait_event; /* wait event() caller address */ | ||
365 | u32 l2p_control; /* L2pControlField */ | ||
366 | u32 l2p_duration; /* L2pDurationField */ | ||
367 | u32 l2p_mhvalid; /* L2pMhValidBits */ | ||
368 | u32 l2p_addr_match; /* L2pAddrMatchStat */ | ||
369 | u32 lmpm_pmg_sel; /* indicate which clocks are turned on | ||
370 | * (LMPM_PMG_SEL) */ | ||
371 | u32 u_timestamp; /* indicate when the date and time of the | ||
372 | * compilation */ | ||
373 | u32 flow_handler; /* FH read/write pointers, RX credit */ | ||
374 | } __packed /* LOG_ERROR_TABLE_API_S_VER_1 */; | ||
375 | |||
376 | struct iwl_error_event_table { | ||
377 | u32 valid; /* (nonzero) valid, (0) log is empty */ | ||
378 | u32 error_id; /* type of error */ | ||
379 | u32 pc; /* program counter */ | ||
380 | u32 blink1; /* branch link */ | ||
381 | u32 blink2; /* branch link */ | ||
382 | u32 ilink1; /* interrupt link */ | ||
383 | u32 ilink2; /* interrupt link */ | ||
384 | u32 data1; /* error-specific data */ | ||
385 | u32 data2; /* error-specific data */ | ||
386 | u32 data3; /* error-specific data */ | ||
387 | u32 bcon_time; /* beacon timer */ | ||
388 | u32 tsf_low; /* network timestamp function timer */ | ||
389 | u32 tsf_hi; /* network timestamp function timer */ | ||
390 | u32 gp1; /* GP1 timer register */ | ||
391 | u32 gp2; /* GP2 timer register */ | ||
392 | u32 gp3; /* GP3 timer register */ | ||
393 | u32 major; /* uCode version major */ | ||
394 | u32 minor; /* uCode version minor */ | ||
395 | u32 hw_ver; /* HW Silicon version */ | ||
396 | u32 brd_ver; /* HW board version */ | ||
397 | u32 log_pc; /* log program counter */ | ||
398 | u32 frame_ptr; /* frame pointer */ | ||
399 | u32 stack_ptr; /* stack pointer */ | ||
400 | u32 hcmd; /* last host command header */ | ||
401 | u32 isr0; /* isr status register LMPM_NIC_ISR0: | ||
402 | * rxtx_flag */ | ||
403 | u32 isr1; /* isr status register LMPM_NIC_ISR1: | ||
404 | * host_flag */ | ||
405 | u32 isr2; /* isr status register LMPM_NIC_ISR2: | ||
406 | * enc_flag */ | ||
407 | u32 isr3; /* isr status register LMPM_NIC_ISR3: | ||
408 | * time_flag */ | ||
409 | u32 isr4; /* isr status register LMPM_NIC_ISR4: | ||
410 | * wico interrupt */ | ||
411 | u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ | ||
412 | u32 wait_event; /* wait event() caller address */ | ||
413 | u32 l2p_control; /* L2pControlField */ | ||
414 | u32 l2p_duration; /* L2pDurationField */ | ||
415 | u32 l2p_mhvalid; /* L2pMhValidBits */ | ||
416 | u32 l2p_addr_match; /* L2pAddrMatchStat */ | ||
417 | u32 lmpm_pmg_sel; /* indicate which clocks are turned on | ||
418 | * (LMPM_PMG_SEL) */ | ||
419 | u32 u_timestamp; /* indicate when the date and time of the | ||
420 | * compilation */ | ||
421 | u32 flow_handler; /* FH read/write pointers, RX credit */ | ||
422 | } __packed /* LOG_ERROR_TABLE_API_S_VER_2 */; | ||
423 | |||
424 | /* | ||
425 | * UMAC error struct - relevant starting from family 8000 chip. | ||
426 | * Note: This structure is read from the device with IO accesses, | ||
427 | * and the reading already does the endian conversion. As it is | ||
428 | * read with u32-sized accesses, any members with a different size | ||
429 | * need to be ordered correctly though! | ||
430 | */ | ||
431 | struct iwl_umac_error_event_table { | ||
432 | u32 valid; /* (nonzero) valid, (0) log is empty */ | ||
433 | u32 error_id; /* type of error */ | ||
434 | u32 blink1; /* branch link */ | ||
435 | u32 blink2; /* branch link */ | ||
436 | u32 ilink1; /* interrupt link */ | ||
437 | u32 ilink2; /* interrupt link */ | ||
438 | u32 data1; /* error-specific data */ | ||
439 | u32 data2; /* error-specific data */ | ||
440 | u32 data3; /* error-specific data */ | ||
441 | u32 umac_major; | ||
442 | u32 umac_minor; | ||
443 | u32 frame_pointer; /* core register 27*/ | ||
444 | u32 stack_pointer; /* core register 28 */ | ||
445 | u32 cmd_header; /* latest host cmd sent to UMAC */ | ||
446 | u32 nic_isr_pref; /* ISR status register */ | ||
447 | } __packed; | ||
448 | |||
449 | #define ERROR_START_OFFSET (1 * sizeof(u32)) | ||
450 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) | ||
451 | |||
452 | static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm) | ||
453 | { | ||
454 | struct iwl_trans *trans = mvm->trans; | ||
455 | struct iwl_umac_error_event_table table; | ||
456 | u32 base; | ||
457 | |||
458 | base = mvm->umac_error_event_table; | ||
459 | |||
460 | if (base < 0x800000) { | ||
461 | IWL_ERR(mvm, | ||
462 | "Not valid error log pointer 0x%08X for %s uCode\n", | ||
463 | base, | ||
464 | (mvm->cur_ucode == IWL_UCODE_INIT) | ||
465 | ? "Init" : "RT"); | ||
466 | return; | ||
467 | } | ||
468 | |||
469 | iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); | ||
470 | |||
471 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | ||
472 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | ||
473 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | ||
474 | mvm->status, table.valid); | ||
475 | } | ||
476 | |||
477 | IWL_ERR(mvm, "0x%08X | %s\n", table.error_id, | ||
478 | desc_lookup(table.error_id)); | ||
479 | IWL_ERR(mvm, "0x%08X | umac branchlink1\n", table.blink1); | ||
480 | IWL_ERR(mvm, "0x%08X | umac branchlink2\n", table.blink2); | ||
481 | IWL_ERR(mvm, "0x%08X | umac interruptlink1\n", table.ilink1); | ||
482 | IWL_ERR(mvm, "0x%08X | umac interruptlink2\n", table.ilink2); | ||
483 | IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1); | ||
484 | IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2); | ||
485 | IWL_ERR(mvm, "0x%08X | umac data3\n", table.data3); | ||
486 | IWL_ERR(mvm, "0x%08X | umac major\n", table.umac_major); | ||
487 | IWL_ERR(mvm, "0x%08X | umac minor\n", table.umac_minor); | ||
488 | IWL_ERR(mvm, "0x%08X | frame pointer\n", table.frame_pointer); | ||
489 | IWL_ERR(mvm, "0x%08X | stack pointer\n", table.stack_pointer); | ||
490 | IWL_ERR(mvm, "0x%08X | last host cmd\n", table.cmd_header); | ||
491 | IWL_ERR(mvm, "0x%08X | isr status reg\n", table.nic_isr_pref); | ||
492 | } | ||
493 | |||
494 | static void iwl_mvm_dump_nic_error_log_old(struct iwl_mvm *mvm) | ||
495 | { | ||
496 | struct iwl_trans *trans = mvm->trans; | ||
497 | struct iwl_error_event_table_v1 table; | ||
498 | u32 base; | ||
499 | |||
500 | base = mvm->error_event_table; | ||
501 | if (mvm->cur_ucode == IWL_UCODE_INIT) { | ||
502 | if (!base) | ||
503 | base = mvm->fw->init_errlog_ptr; | ||
504 | } else { | ||
505 | if (!base) | ||
506 | base = mvm->fw->inst_errlog_ptr; | ||
507 | } | ||
508 | |||
509 | if (base < 0x800000) { | ||
510 | IWL_ERR(mvm, | ||
511 | "Not valid error log pointer 0x%08X for %s uCode\n", | ||
512 | base, | ||
513 | (mvm->cur_ucode == IWL_UCODE_INIT) | ||
514 | ? "Init" : "RT"); | ||
515 | return; | ||
516 | } | ||
517 | |||
518 | iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); | ||
519 | |||
520 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | ||
521 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | ||
522 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | ||
523 | mvm->status, table.valid); | ||
524 | } | ||
525 | |||
526 | /* Do not change this output - scripts rely on it */ | ||
527 | |||
528 | IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); | ||
529 | |||
530 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | ||
531 | table.data1, table.data2, table.data3, | ||
532 | table.blink1, table.blink2, table.ilink1, | ||
533 | table.ilink2, table.bcon_time, table.gp1, | ||
534 | table.gp2, table.gp3, table.ucode_ver, 0, | ||
535 | table.hw_ver, table.brd_ver); | ||
536 | IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id, | ||
537 | desc_lookup(table.error_id)); | ||
538 | IWL_ERR(mvm, "0x%08X | uPc\n", table.pc); | ||
539 | IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1); | ||
540 | IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2); | ||
541 | IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1); | ||
542 | IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2); | ||
543 | IWL_ERR(mvm, "0x%08X | data1\n", table.data1); | ||
544 | IWL_ERR(mvm, "0x%08X | data2\n", table.data2); | ||
545 | IWL_ERR(mvm, "0x%08X | data3\n", table.data3); | ||
546 | IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time); | ||
547 | IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low); | ||
548 | IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi); | ||
549 | IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1); | ||
550 | IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2); | ||
551 | IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3); | ||
552 | IWL_ERR(mvm, "0x%08X | uCode version\n", table.ucode_ver); | ||
553 | IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver); | ||
554 | IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver); | ||
555 | IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd); | ||
556 | IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0); | ||
557 | IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1); | ||
558 | IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2); | ||
559 | IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3); | ||
560 | IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4); | ||
561 | IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref); | ||
562 | IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event); | ||
563 | IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control); | ||
564 | IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration); | ||
565 | IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | ||
566 | IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | ||
567 | IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | ||
568 | IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp); | ||
569 | IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); | ||
570 | |||
571 | if (mvm->support_umac_log) | ||
572 | iwl_mvm_dump_umac_error_log(mvm); | ||
573 | } | ||
574 | |||
575 | void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) | ||
576 | { | ||
577 | struct iwl_trans *trans = mvm->trans; | ||
578 | struct iwl_error_event_table table; | ||
579 | u32 base; | ||
580 | |||
581 | if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) { | ||
582 | iwl_mvm_dump_nic_error_log_old(mvm); | ||
583 | return; | ||
584 | } | ||
585 | |||
586 | base = mvm->error_event_table; | ||
587 | if (mvm->cur_ucode == IWL_UCODE_INIT) { | ||
588 | if (!base) | ||
589 | base = mvm->fw->init_errlog_ptr; | ||
590 | } else { | ||
591 | if (!base) | ||
592 | base = mvm->fw->inst_errlog_ptr; | ||
593 | } | ||
594 | |||
595 | if (base < 0x800000) { | ||
596 | IWL_ERR(mvm, | ||
597 | "Not valid error log pointer 0x%08X for %s uCode\n", | ||
598 | base, | ||
599 | (mvm->cur_ucode == IWL_UCODE_INIT) | ||
600 | ? "Init" : "RT"); | ||
601 | return; | ||
602 | } | ||
603 | |||
604 | iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); | ||
605 | |||
606 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | ||
607 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | ||
608 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | ||
609 | mvm->status, table.valid); | ||
610 | } | ||
611 | |||
612 | /* Do not change this output - scripts rely on it */ | ||
613 | |||
614 | IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); | ||
615 | |||
616 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | ||
617 | table.data1, table.data2, table.data3, | ||
618 | table.blink1, table.blink2, table.ilink1, | ||
619 | table.ilink2, table.bcon_time, table.gp1, | ||
620 | table.gp2, table.gp3, table.major, | ||
621 | table.minor, table.hw_ver, table.brd_ver); | ||
622 | IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id, | ||
623 | desc_lookup(table.error_id)); | ||
624 | IWL_ERR(mvm, "0x%08X | uPc\n", table.pc); | ||
625 | IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1); | ||
626 | IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2); | ||
627 | IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1); | ||
628 | IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2); | ||
629 | IWL_ERR(mvm, "0x%08X | data1\n", table.data1); | ||
630 | IWL_ERR(mvm, "0x%08X | data2\n", table.data2); | ||
631 | IWL_ERR(mvm, "0x%08X | data3\n", table.data3); | ||
632 | IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time); | ||
633 | IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low); | ||
634 | IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi); | ||
635 | IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1); | ||
636 | IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2); | ||
637 | IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3); | ||
638 | IWL_ERR(mvm, "0x%08X | uCode version major\n", table.major); | ||
639 | IWL_ERR(mvm, "0x%08X | uCode version minor\n", table.minor); | ||
640 | IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver); | ||
641 | IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver); | ||
642 | IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd); | ||
643 | IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0); | ||
644 | IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1); | ||
645 | IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2); | ||
646 | IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3); | ||
647 | IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4); | ||
648 | IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref); | ||
649 | IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event); | ||
650 | IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control); | ||
651 | IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration); | ||
652 | IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | ||
653 | IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | ||
654 | IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | ||
655 | IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp); | ||
656 | IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); | ||
657 | |||
658 | if (mvm->support_umac_log) | ||
659 | iwl_mvm_dump_umac_error_log(mvm); | ||
660 | } | ||
661 | |||
662 | int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq) | ||
663 | { | ||
664 | int i; | ||
665 | |||
666 | lockdep_assert_held(&mvm->queue_info_lock); | ||
667 | |||
668 | for (i = minq; i <= maxq; i++) | ||
669 | if (mvm->queue_info[i].hw_queue_refcount == 0 && | ||
670 | !mvm->queue_info[i].setup_reserved) | ||
671 | return i; | ||
672 | |||
673 | return -ENOSPC; | ||
674 | } | ||
675 | |||
676 | void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, | ||
677 | u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, | ||
678 | unsigned int wdg_timeout) | ||
679 | { | ||
680 | bool enable_queue = true; | ||
681 | |||
682 | spin_lock_bh(&mvm->queue_info_lock); | ||
683 | |||
684 | /* Make sure this TID isn't already enabled */ | ||
685 | if (mvm->queue_info[queue].tid_bitmap & BIT(cfg->tid)) { | ||
686 | spin_unlock_bh(&mvm->queue_info_lock); | ||
687 | IWL_ERR(mvm, "Trying to enable TXQ with existing TID %d\n", | ||
688 | cfg->tid); | ||
689 | return; | ||
690 | } | ||
691 | |||
692 | /* Update mappings and refcounts */ | ||
693 | mvm->queue_info[queue].hw_queue_to_mac80211 |= BIT(mac80211_queue); | ||
694 | mvm->queue_info[queue].hw_queue_refcount++; | ||
695 | if (mvm->queue_info[queue].hw_queue_refcount > 1) | ||
696 | enable_queue = false; | ||
697 | mvm->queue_info[queue].tid_bitmap |= BIT(cfg->tid); | ||
698 | |||
699 | IWL_DEBUG_TX_QUEUES(mvm, | ||
700 | "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n", | ||
701 | queue, mvm->queue_info[queue].hw_queue_refcount, | ||
702 | mvm->queue_info[queue].hw_queue_to_mac80211); | ||
703 | |||
704 | spin_unlock_bh(&mvm->queue_info_lock); | ||
705 | |||
706 | /* Send the enabling command if we need to */ | ||
707 | if (enable_queue) { | ||
708 | struct iwl_scd_txq_cfg_cmd cmd = { | ||
709 | .scd_queue = queue, | ||
710 | .enable = 1, | ||
711 | .window = cfg->frame_limit, | ||
712 | .sta_id = cfg->sta_id, | ||
713 | .ssn = cpu_to_le16(ssn), | ||
714 | .tx_fifo = cfg->fifo, | ||
715 | .aggregate = cfg->aggregate, | ||
716 | .tid = cfg->tid, | ||
717 | }; | ||
718 | |||
719 | iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL, | ||
720 | wdg_timeout); | ||
721 | WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), | ||
722 | &cmd), | ||
723 | "Failed to configure queue %d on FIFO %d\n", queue, | ||
724 | cfg->fifo); | ||
725 | } | ||
726 | } | ||
727 | |||
728 | void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, | ||
729 | u8 tid, u8 flags) | ||
730 | { | ||
731 | struct iwl_scd_txq_cfg_cmd cmd = { | ||
732 | .scd_queue = queue, | ||
733 | .enable = 0, | ||
734 | }; | ||
735 | bool remove_mac_queue = true; | ||
736 | int ret; | ||
737 | |||
738 | spin_lock_bh(&mvm->queue_info_lock); | ||
739 | |||
740 | if (WARN_ON(mvm->queue_info[queue].hw_queue_refcount == 0)) { | ||
741 | spin_unlock_bh(&mvm->queue_info_lock); | ||
742 | return; | ||
743 | } | ||
744 | |||
745 | mvm->queue_info[queue].tid_bitmap &= ~BIT(tid); | ||
746 | |||
747 | /* | ||
748 | * If there is another TID with the same AC - don't remove the MAC queue | ||
749 | * from the mapping | ||
750 | */ | ||
751 | if (tid < IWL_MAX_TID_COUNT) { | ||
752 | unsigned long tid_bitmap = | ||
753 | mvm->queue_info[queue].tid_bitmap; | ||
754 | int ac = tid_to_mac80211_ac[tid]; | ||
755 | int i; | ||
756 | |||
757 | for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT) { | ||
758 | if (tid_to_mac80211_ac[i] == ac) | ||
759 | remove_mac_queue = false; | ||
760 | } | ||
761 | } | ||
762 | |||
763 | if (remove_mac_queue) | ||
764 | mvm->queue_info[queue].hw_queue_to_mac80211 &= | ||
765 | ~BIT(mac80211_queue); | ||
766 | mvm->queue_info[queue].hw_queue_refcount--; | ||
767 | |||
768 | cmd.enable = mvm->queue_info[queue].hw_queue_refcount ? 1 : 0; | ||
769 | |||
770 | IWL_DEBUG_TX_QUEUES(mvm, | ||
771 | "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n", | ||
772 | queue, | ||
773 | mvm->queue_info[queue].hw_queue_refcount, | ||
774 | mvm->queue_info[queue].hw_queue_to_mac80211); | ||
775 | |||
776 | /* If the queue is still enabled - nothing left to do in this func */ | ||
777 | if (cmd.enable) { | ||
778 | spin_unlock_bh(&mvm->queue_info_lock); | ||
779 | return; | ||
780 | } | ||
781 | |||
782 | /* Make sure queue info is correct even though we overwrite it */ | ||
783 | WARN(mvm->queue_info[queue].hw_queue_refcount || | ||
784 | mvm->queue_info[queue].tid_bitmap || | ||
785 | mvm->queue_info[queue].hw_queue_to_mac80211, | ||
786 | "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n", | ||
787 | queue, mvm->queue_info[queue].hw_queue_refcount, | ||
788 | mvm->queue_info[queue].hw_queue_to_mac80211, | ||
789 | mvm->queue_info[queue].tid_bitmap); | ||
790 | |||
791 | /* If we are here - the queue is freed and we can zero out these vals */ | ||
792 | mvm->queue_info[queue].hw_queue_refcount = 0; | ||
793 | mvm->queue_info[queue].tid_bitmap = 0; | ||
794 | mvm->queue_info[queue].hw_queue_to_mac80211 = 0; | ||
795 | |||
796 | spin_unlock_bh(&mvm->queue_info_lock); | ||
797 | |||
798 | iwl_trans_txq_disable(mvm->trans, queue, false); | ||
799 | ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, flags, | ||
800 | sizeof(cmd), &cmd); | ||
801 | if (ret) | ||
802 | IWL_ERR(mvm, "Failed to disable queue %d (ret=%d)\n", | ||
803 | queue, ret); | ||
804 | } | ||
805 | |||
806 | /** | ||
807 | * iwl_mvm_send_lq_cmd() - Send link quality command | ||
808 | * @init: This command is sent as part of station initialization right | ||
809 | * after station has been added. | ||
810 | * | ||
811 | * The link quality command is sent as the last step of station creation. | ||
812 | * This is the special case in which init is set and we call a callback in | ||
813 | * this case to clear the state indicating that station creation is in | ||
814 | * progress. | ||
815 | */ | ||
816 | int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init) | ||
817 | { | ||
818 | struct iwl_host_cmd cmd = { | ||
819 | .id = LQ_CMD, | ||
820 | .len = { sizeof(struct iwl_lq_cmd), }, | ||
821 | .flags = init ? 0 : CMD_ASYNC, | ||
822 | .data = { lq, }, | ||
823 | }; | ||
824 | |||
825 | if (WARN_ON(lq->sta_id == IWL_MVM_STATION_COUNT)) | ||
826 | return -EINVAL; | ||
827 | |||
828 | return iwl_mvm_send_cmd(mvm, &cmd); | ||
829 | } | ||
830 | |||
831 | /** | ||
832 | * iwl_mvm_update_smps - Get a request to change the SMPS mode | ||
833 | * @req_type: The part of the driver who call for a change. | ||
834 | * @smps_requests: The request to change the SMPS mode. | ||
835 | * | ||
836 | * Get a requst to change the SMPS mode, | ||
837 | * and change it according to all other requests in the driver. | ||
838 | */ | ||
839 | void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, | ||
840 | enum iwl_mvm_smps_type_request req_type, | ||
841 | enum ieee80211_smps_mode smps_request) | ||
842 | { | ||
843 | struct iwl_mvm_vif *mvmvif; | ||
844 | enum ieee80211_smps_mode smps_mode; | ||
845 | int i; | ||
846 | |||
847 | lockdep_assert_held(&mvm->mutex); | ||
848 | |||
849 | /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */ | ||
850 | if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) | ||
851 | return; | ||
852 | |||
853 | if (vif->type == NL80211_IFTYPE_AP) | ||
854 | smps_mode = IEEE80211_SMPS_OFF; | ||
855 | else | ||
856 | smps_mode = IEEE80211_SMPS_AUTOMATIC; | ||
857 | |||
858 | mvmvif = iwl_mvm_vif_from_mac80211(vif); | ||
859 | mvmvif->smps_requests[req_type] = smps_request; | ||
860 | for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { | ||
861 | if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC) { | ||
862 | smps_mode = IEEE80211_SMPS_STATIC; | ||
863 | break; | ||
864 | } | ||
865 | if (mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) | ||
866 | smps_mode = IEEE80211_SMPS_DYNAMIC; | ||
867 | } | ||
868 | |||
869 | ieee80211_request_smps(vif, smps_mode); | ||
870 | } | ||
871 | |||
872 | int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear) | ||
873 | { | ||
874 | struct iwl_statistics_cmd scmd = { | ||
875 | .flags = clear ? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR) : 0, | ||
876 | }; | ||
877 | struct iwl_host_cmd cmd = { | ||
878 | .id = STATISTICS_CMD, | ||
879 | .len[0] = sizeof(scmd), | ||
880 | .data[0] = &scmd, | ||
881 | .flags = CMD_WANT_SKB, | ||
882 | }; | ||
883 | int ret; | ||
884 | |||
885 | ret = iwl_mvm_send_cmd(mvm, &cmd); | ||
886 | if (ret) | ||
887 | return ret; | ||
888 | |||
889 | iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt); | ||
890 | iwl_free_resp(&cmd); | ||
891 | |||
892 | if (clear) | ||
893 | iwl_mvm_accu_radio_stats(mvm); | ||
894 | |||
895 | return 0; | ||
896 | } | ||
897 | |||
898 | void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm) | ||
899 | { | ||
900 | mvm->accu_radio_stats.rx_time += mvm->radio_stats.rx_time; | ||
901 | mvm->accu_radio_stats.tx_time += mvm->radio_stats.tx_time; | ||
902 | mvm->accu_radio_stats.on_time_rf += mvm->radio_stats.on_time_rf; | ||
903 | mvm->accu_radio_stats.on_time_scan += mvm->radio_stats.on_time_scan; | ||
904 | } | ||
905 | |||
906 | static void iwl_mvm_diversity_iter(void *_data, u8 *mac, | ||
907 | struct ieee80211_vif *vif) | ||
908 | { | ||
909 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | ||
910 | bool *result = _data; | ||
911 | int i; | ||
912 | |||
913 | for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { | ||
914 | if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC || | ||
915 | mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) | ||
916 | *result = false; | ||
917 | } | ||
918 | } | ||
919 | |||
920 | bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) | ||
921 | { | ||
922 | bool result = true; | ||
923 | |||
924 | lockdep_assert_held(&mvm->mutex); | ||
925 | |||
926 | if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) | ||
927 | return false; | ||
928 | |||
929 | if (mvm->cfg->rx_with_siso_diversity) | ||
930 | return false; | ||
931 | |||
932 | ieee80211_iterate_active_interfaces_atomic( | ||
933 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | ||
934 | iwl_mvm_diversity_iter, &result); | ||
935 | |||
936 | return result; | ||
937 | } | ||
938 | |||
939 | int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, | ||
940 | bool value) | ||
941 | { | ||
942 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | ||
943 | int res; | ||
944 | |||
945 | lockdep_assert_held(&mvm->mutex); | ||
946 | |||
947 | if (mvmvif->low_latency == value) | ||
948 | return 0; | ||
949 | |||
950 | mvmvif->low_latency = value; | ||
951 | |||
952 | res = iwl_mvm_update_quotas(mvm, false, NULL); | ||
953 | if (res) | ||
954 | return res; | ||
955 | |||
956 | iwl_mvm_bt_coex_vif_change(mvm); | ||
957 | |||
958 | return iwl_mvm_power_update_mac(mvm); | ||
959 | } | ||
960 | |||
961 | static void iwl_mvm_ll_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) | ||
962 | { | ||
963 | bool *result = _data; | ||
964 | |||
965 | if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif))) | ||
966 | *result = true; | ||
967 | } | ||
968 | |||
969 | bool iwl_mvm_low_latency(struct iwl_mvm *mvm) | ||
970 | { | ||
971 | bool result = false; | ||
972 | |||
973 | ieee80211_iterate_active_interfaces_atomic( | ||
974 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | ||
975 | iwl_mvm_ll_iter, &result); | ||
976 | |||
977 | return result; | ||
978 | } | ||
979 | |||
980 | struct iwl_bss_iter_data { | ||
981 | struct ieee80211_vif *vif; | ||
982 | bool error; | ||
983 | }; | ||
984 | |||
985 | static void iwl_mvm_bss_iface_iterator(void *_data, u8 *mac, | ||
986 | struct ieee80211_vif *vif) | ||
987 | { | ||
988 | struct iwl_bss_iter_data *data = _data; | ||
989 | |||
990 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) | ||
991 | return; | ||
992 | |||
993 | if (data->vif) { | ||
994 | data->error = true; | ||
995 | return; | ||
996 | } | ||
997 | |||
998 | data->vif = vif; | ||
999 | } | ||
1000 | |||
1001 | struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm) | ||
1002 | { | ||
1003 | struct iwl_bss_iter_data bss_iter_data = {}; | ||
1004 | |||
1005 | ieee80211_iterate_active_interfaces_atomic( | ||
1006 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | ||
1007 | iwl_mvm_bss_iface_iterator, &bss_iter_data); | ||
1008 | |||
1009 | if (bss_iter_data.error) { | ||
1010 | IWL_ERR(mvm, "More than one managed interface active!\n"); | ||
1011 | return ERR_PTR(-EINVAL); | ||
1012 | } | ||
1013 | |||
1014 | return bss_iter_data.vif; | ||
1015 | } | ||
1016 | |||
1017 | unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, | ||
1018 | struct ieee80211_vif *vif, | ||
1019 | bool tdls, bool cmd_q) | ||
1020 | { | ||
1021 | struct iwl_fw_dbg_trigger_tlv *trigger; | ||
1022 | struct iwl_fw_dbg_trigger_txq_timer *txq_timer; | ||
1023 | unsigned int default_timeout = | ||
1024 | cmd_q ? IWL_DEF_WD_TIMEOUT : mvm->cfg->base_params->wd_timeout; | ||
1025 | |||
1026 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS)) | ||
1027 | return iwlmvm_mod_params.tfd_q_hang_detect ? | ||
1028 | default_timeout : IWL_WATCHDOG_DISABLED; | ||
1029 | |||
1030 | trigger = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS); | ||
1031 | txq_timer = (void *)trigger->data; | ||
1032 | |||
1033 | if (tdls) | ||
1034 | return le32_to_cpu(txq_timer->tdls); | ||
1035 | |||
1036 | if (cmd_q) | ||
1037 | return le32_to_cpu(txq_timer->command_queue); | ||
1038 | |||
1039 | if (WARN_ON(!vif)) | ||
1040 | return default_timeout; | ||
1041 | |||
1042 | switch (ieee80211_vif_type_p2p(vif)) { | ||
1043 | case NL80211_IFTYPE_ADHOC: | ||
1044 | return le32_to_cpu(txq_timer->ibss); | ||
1045 | case NL80211_IFTYPE_STATION: | ||
1046 | return le32_to_cpu(txq_timer->bss); | ||
1047 | case NL80211_IFTYPE_AP: | ||
1048 | return le32_to_cpu(txq_timer->softap); | ||
1049 | case NL80211_IFTYPE_P2P_CLIENT: | ||
1050 | return le32_to_cpu(txq_timer->p2p_client); | ||
1051 | case NL80211_IFTYPE_P2P_GO: | ||
1052 | return le32_to_cpu(txq_timer->p2p_go); | ||
1053 | case NL80211_IFTYPE_P2P_DEVICE: | ||
1054 | return le32_to_cpu(txq_timer->p2p_device); | ||
1055 | default: | ||
1056 | WARN_ON(1); | ||
1057 | return mvm->cfg->base_params->wd_timeout; | ||
1058 | } | ||
1059 | } | ||
1060 | |||
1061 | void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, | ||
1062 | const char *errmsg) | ||
1063 | { | ||
1064 | struct iwl_fw_dbg_trigger_tlv *trig; | ||
1065 | struct iwl_fw_dbg_trigger_mlme *trig_mlme; | ||
1066 | |||
1067 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME)) | ||
1068 | goto out; | ||
1069 | |||
1070 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME); | ||
1071 | trig_mlme = (void *)trig->data; | ||
1072 | if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) | ||
1073 | goto out; | ||
1074 | |||
1075 | if (trig_mlme->stop_connection_loss && | ||
1076 | --trig_mlme->stop_connection_loss) | ||
1077 | goto out; | ||
1078 | |||
1079 | iwl_mvm_fw_dbg_collect_trig(mvm, trig, "%s", errmsg); | ||
1080 | |||
1081 | out: | ||
1082 | ieee80211_connection_loss(vif); | ||
1083 | } | ||