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8e99ea8d JB |
1 | // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
2 | /* | |
4670d8dc | 3 | * Copyright (C) 2012-2014, 2018-2023 Intel Corporation |
8e99ea8d JB |
4 | * Copyright (C) 2013-2015 Intel Mobile Communications GmbH |
5 | * Copyright (C) 2016-2017 Intel Deutschland GmbH | |
6 | */ | |
820a1a50 JB |
7 | #include "mvm.h" |
8 | #include "debugfs.h" | |
9 | ||
e45a941d AB |
10 | static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, |
11 | struct ieee80211_vif *vif, | |
12 | enum iwl_dbgfs_pm_mask param, int val) | |
13 | { | |
14 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
15 | struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm; | |
16 | ||
17 | dbgfs_pm->mask |= param; | |
18 | ||
19 | switch (param) { | |
20 | case MVM_DEBUGFS_PM_KEEP_ALIVE: { | |
717e2390 | 21 | int dtimper = vif->bss_conf.dtim_period ?: 1; |
e45a941d AB |
22 | int dtimper_msec = dtimper * vif->bss_conf.beacon_int; |
23 | ||
24 | IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val); | |
25 | if (val * MSEC_PER_SEC < 3 * dtimper_msec) | |
26 | IWL_WARN(mvm, | |
27 | "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n", | |
28 | val * MSEC_PER_SEC, 3 * dtimper_msec); | |
29 | dbgfs_pm->keep_alive_seconds = val; | |
30 | break; | |
31 | } | |
32 | case MVM_DEBUGFS_PM_SKIP_OVER_DTIM: | |
33 | IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n", | |
34 | val ? "enabled" : "disabled"); | |
35 | dbgfs_pm->skip_over_dtim = val; | |
36 | break; | |
37 | case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS: | |
38 | IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val); | |
39 | dbgfs_pm->skip_dtim_periods = val; | |
40 | break; | |
41 | case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT: | |
42 | IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val); | |
43 | dbgfs_pm->rx_data_timeout = val; | |
44 | break; | |
45 | case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT: | |
46 | IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val); | |
47 | dbgfs_pm->tx_data_timeout = val; | |
48 | break; | |
e45a941d AB |
49 | case MVM_DEBUGFS_PM_LPRX_ENA: |
50 | IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled"); | |
51 | dbgfs_pm->lprx_ena = val; | |
52 | break; | |
53 | case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD: | |
54 | IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val); | |
55 | dbgfs_pm->lprx_rssi_threshold = val; | |
56 | break; | |
57 | case MVM_DEBUGFS_PM_SNOOZE_ENABLE: | |
58 | IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val); | |
59 | dbgfs_pm->snooze_ena = val; | |
60 | break; | |
61 | case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING: | |
62 | IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val); | |
63 | dbgfs_pm->uapsd_misbehaving = val; | |
64 | break; | |
84fd7608 EP |
65 | case MVM_DEBUGFS_PM_USE_PS_POLL: |
66 | IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val); | |
67 | dbgfs_pm->use_ps_poll = val; | |
68 | break; | |
e45a941d AB |
69 | } |
70 | } | |
71 | ||
72 | static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf, | |
73 | size_t count, loff_t *ppos) | |
74 | { | |
75 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
76 | struct iwl_mvm *mvm = mvmvif->mvm; | |
77 | enum iwl_dbgfs_pm_mask param; | |
78 | int val, ret; | |
79 | ||
80 | if (!strncmp("keep_alive=", buf, 11)) { | |
81 | if (sscanf(buf + 11, "%d", &val) != 1) | |
82 | return -EINVAL; | |
83 | param = MVM_DEBUGFS_PM_KEEP_ALIVE; | |
84 | } else if (!strncmp("skip_over_dtim=", buf, 15)) { | |
85 | if (sscanf(buf + 15, "%d", &val) != 1) | |
86 | return -EINVAL; | |
87 | param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM; | |
88 | } else if (!strncmp("skip_dtim_periods=", buf, 18)) { | |
89 | if (sscanf(buf + 18, "%d", &val) != 1) | |
90 | return -EINVAL; | |
91 | param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS; | |
92 | } else if (!strncmp("rx_data_timeout=", buf, 16)) { | |
93 | if (sscanf(buf + 16, "%d", &val) != 1) | |
94 | return -EINVAL; | |
95 | param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT; | |
96 | } else if (!strncmp("tx_data_timeout=", buf, 16)) { | |
97 | if (sscanf(buf + 16, "%d", &val) != 1) | |
98 | return -EINVAL; | |
99 | param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT; | |
e45a941d AB |
100 | } else if (!strncmp("lprx=", buf, 5)) { |
101 | if (sscanf(buf + 5, "%d", &val) != 1) | |
102 | return -EINVAL; | |
103 | param = MVM_DEBUGFS_PM_LPRX_ENA; | |
104 | } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) { | |
105 | if (sscanf(buf + 20, "%d", &val) != 1) | |
106 | return -EINVAL; | |
107 | if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val < | |
108 | POWER_LPRX_RSSI_THRESHOLD_MIN) | |
109 | return -EINVAL; | |
110 | param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD; | |
111 | } else if (!strncmp("snooze_enable=", buf, 14)) { | |
112 | if (sscanf(buf + 14, "%d", &val) != 1) | |
113 | return -EINVAL; | |
114 | param = MVM_DEBUGFS_PM_SNOOZE_ENABLE; | |
115 | } else if (!strncmp("uapsd_misbehaving=", buf, 18)) { | |
116 | if (sscanf(buf + 18, "%d", &val) != 1) | |
117 | return -EINVAL; | |
118 | param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING; | |
84fd7608 EP |
119 | } else if (!strncmp("use_ps_poll=", buf, 12)) { |
120 | if (sscanf(buf + 12, "%d", &val) != 1) | |
121 | return -EINVAL; | |
122 | param = MVM_DEBUGFS_PM_USE_PS_POLL; | |
e45a941d AB |
123 | } else { |
124 | return -EINVAL; | |
125 | } | |
126 | ||
127 | mutex_lock(&mvm->mutex); | |
128 | iwl_dbgfs_update_pm(mvm, vif, param, val); | |
999609f1 | 129 | ret = iwl_mvm_power_update_mac(mvm); |
e45a941d AB |
130 | mutex_unlock(&mvm->mutex); |
131 | ||
132 | return ret ?: count; | |
133 | } | |
134 | ||
25870cb7 MG |
135 | static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file, |
136 | char __user *user_buf, | |
137 | size_t count, loff_t *ppos) | |
138 | { | |
139 | struct ieee80211_vif *vif = file->private_data; | |
140 | char buf[64]; | |
141 | int bufsz = sizeof(buf); | |
142 | int pos; | |
143 | ||
144 | pos = scnprintf(buf, bufsz, "bss limit = %d\n", | |
145 | vif->bss_conf.txpower); | |
146 | ||
147 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
148 | } | |
149 | ||
e45a941d AB |
150 | static ssize_t iwl_dbgfs_pm_params_read(struct file *file, |
151 | char __user *user_buf, | |
152 | size_t count, loff_t *ppos) | |
153 | { | |
154 | struct ieee80211_vif *vif = file->private_data; | |
155 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
156 | struct iwl_mvm *mvm = mvmvif->mvm; | |
157 | char buf[512]; | |
158 | int bufsz = sizeof(buf); | |
159 | int pos; | |
160 | ||
c1cb92fc | 161 | pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz); |
e45a941d AB |
162 | |
163 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
164 | } | |
165 | ||
820a1a50 JB |
166 | static ssize_t iwl_dbgfs_mac_params_read(struct file *file, |
167 | char __user *user_buf, | |
168 | size_t count, loff_t *ppos) | |
169 | { | |
170 | struct ieee80211_vif *vif = file->private_data; | |
171 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
7f09d704 | 172 | struct iwl_mvm *mvm = mvmvif->mvm; |
820a1a50 JB |
173 | u8 ap_sta_id; |
174 | struct ieee80211_chanctx_conf *chanctx_conf; | |
175 | char buf[512]; | |
176 | int bufsz = sizeof(buf); | |
177 | int pos = 0; | |
178 | int i; | |
179 | ||
180 | mutex_lock(&mvm->mutex); | |
181 | ||
650cadb7 | 182 | ap_sta_id = mvmvif->deflink.ap_sta_id; |
820a1a50 | 183 | |
2284b951 EG |
184 | switch (ieee80211_vif_type_p2p(vif)) { |
185 | case NL80211_IFTYPE_ADHOC: | |
186 | pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n"); | |
187 | break; | |
188 | case NL80211_IFTYPE_STATION: | |
189 | pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n"); | |
190 | break; | |
191 | case NL80211_IFTYPE_AP: | |
192 | pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n"); | |
193 | break; | |
194 | case NL80211_IFTYPE_P2P_CLIENT: | |
195 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n"); | |
196 | break; | |
197 | case NL80211_IFTYPE_P2P_GO: | |
198 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n"); | |
199 | break; | |
200 | case NL80211_IFTYPE_P2P_DEVICE: | |
201 | pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n"); | |
202 | break; | |
203 | default: | |
204 | break; | |
205 | } | |
206 | ||
820a1a50 JB |
207 | pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n", |
208 | mvmvif->id, mvmvif->color); | |
209 | pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n", | |
210 | vif->bss_conf.bssid); | |
7d9d0d56 LC |
211 | pos += scnprintf(buf+pos, bufsz-pos, "Load: %d\n", |
212 | mvm->tcm.result.load[mvmvif->id]); | |
820a1a50 | 213 | pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n"); |
650cadb7 | 214 | for (i = 0; i < ARRAY_SIZE(mvmvif->deflink.queue_params); i++) |
820a1a50 JB |
215 | pos += scnprintf(buf+pos, bufsz-pos, |
216 | "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n", | |
650cadb7 GG |
217 | i, mvmvif->deflink.queue_params[i].txop, |
218 | mvmvif->deflink.queue_params[i].cw_min, | |
219 | mvmvif->deflink.queue_params[i].cw_max, | |
220 | mvmvif->deflink.queue_params[i].aifs, | |
221 | mvmvif->deflink.queue_params[i].uapsd); | |
820a1a50 JB |
222 | |
223 | if (vif->type == NL80211_IFTYPE_STATION && | |
0ae98812 | 224 | ap_sta_id != IWL_MVM_INVALID_STA) { |
13303c0f | 225 | struct iwl_mvm_sta *mvm_sta; |
1ddbbb0c | 226 | |
13303c0f SS |
227 | mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); |
228 | if (mvm_sta) { | |
1ddbbb0c | 229 | pos += scnprintf(buf+pos, bufsz-pos, |
1fa477c6 | 230 | "ap_sta_id %d - reduced Tx power %d\n", |
1ddbbb0c | 231 | ap_sta_id, |
1fa477c6 | 232 | mvm_sta->bt_reduced_txpower); |
1ddbbb0c | 233 | } |
820a1a50 JB |
234 | } |
235 | ||
236 | rcu_read_lock(); | |
d0a9123e | 237 | chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); |
820a1a50 JB |
238 | if (chanctx_conf) |
239 | pos += scnprintf(buf+pos, bufsz-pos, | |
240 | "idle rx chains %d, active rx chains: %d\n", | |
241 | chanctx_conf->rx_chains_static, | |
242 | chanctx_conf->rx_chains_dynamic); | |
243 | rcu_read_unlock(); | |
244 | ||
245 | mutex_unlock(&mvm->mutex); | |
246 | ||
247 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
248 | } | |
249 | ||
e45a941d AB |
250 | static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif, |
251 | enum iwl_dbgfs_bf_mask param, int value) | |
252 | { | |
253 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
254 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
255 | ||
256 | dbgfs_bf->mask |= param; | |
257 | ||
258 | switch (param) { | |
259 | case MVM_DEBUGFS_BF_ENERGY_DELTA: | |
260 | dbgfs_bf->bf_energy_delta = value; | |
261 | break; | |
262 | case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA: | |
263 | dbgfs_bf->bf_roaming_energy_delta = value; | |
264 | break; | |
265 | case MVM_DEBUGFS_BF_ROAMING_STATE: | |
266 | dbgfs_bf->bf_roaming_state = value; | |
267 | break; | |
268 | case MVM_DEBUGFS_BF_TEMP_THRESHOLD: | |
269 | dbgfs_bf->bf_temp_threshold = value; | |
270 | break; | |
271 | case MVM_DEBUGFS_BF_TEMP_FAST_FILTER: | |
272 | dbgfs_bf->bf_temp_fast_filter = value; | |
273 | break; | |
274 | case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER: | |
275 | dbgfs_bf->bf_temp_slow_filter = value; | |
276 | break; | |
277 | case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER: | |
278 | dbgfs_bf->bf_enable_beacon_filter = value; | |
279 | break; | |
280 | case MVM_DEBUGFS_BF_DEBUG_FLAG: | |
281 | dbgfs_bf->bf_debug_flag = value; | |
282 | break; | |
283 | case MVM_DEBUGFS_BF_ESCAPE_TIMER: | |
284 | dbgfs_bf->bf_escape_timer = value; | |
285 | break; | |
286 | case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT: | |
287 | dbgfs_bf->ba_enable_beacon_abort = value; | |
288 | break; | |
289 | case MVM_DEBUGFS_BA_ESCAPE_TIMER: | |
290 | dbgfs_bf->ba_escape_timer = value; | |
291 | break; | |
292 | } | |
293 | } | |
294 | ||
295 | static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf, | |
296 | size_t count, loff_t *ppos) | |
297 | { | |
298 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
299 | struct iwl_mvm *mvm = mvmvif->mvm; | |
300 | enum iwl_dbgfs_bf_mask param; | |
301 | int value, ret = 0; | |
302 | ||
303 | if (!strncmp("bf_energy_delta=", buf, 16)) { | |
304 | if (sscanf(buf+16, "%d", &value) != 1) | |
305 | return -EINVAL; | |
306 | if (value < IWL_BF_ENERGY_DELTA_MIN || | |
307 | value > IWL_BF_ENERGY_DELTA_MAX) | |
308 | return -EINVAL; | |
309 | param = MVM_DEBUGFS_BF_ENERGY_DELTA; | |
310 | } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) { | |
311 | if (sscanf(buf+24, "%d", &value) != 1) | |
312 | return -EINVAL; | |
313 | if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN || | |
314 | value > IWL_BF_ROAMING_ENERGY_DELTA_MAX) | |
315 | return -EINVAL; | |
316 | param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA; | |
317 | } else if (!strncmp("bf_roaming_state=", buf, 17)) { | |
318 | if (sscanf(buf+17, "%d", &value) != 1) | |
319 | return -EINVAL; | |
320 | if (value < IWL_BF_ROAMING_STATE_MIN || | |
321 | value > IWL_BF_ROAMING_STATE_MAX) | |
322 | return -EINVAL; | |
323 | param = MVM_DEBUGFS_BF_ROAMING_STATE; | |
324 | } else if (!strncmp("bf_temp_threshold=", buf, 18)) { | |
325 | if (sscanf(buf+18, "%d", &value) != 1) | |
326 | return -EINVAL; | |
327 | if (value < IWL_BF_TEMP_THRESHOLD_MIN || | |
328 | value > IWL_BF_TEMP_THRESHOLD_MAX) | |
329 | return -EINVAL; | |
330 | param = MVM_DEBUGFS_BF_TEMP_THRESHOLD; | |
331 | } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) { | |
332 | if (sscanf(buf+20, "%d", &value) != 1) | |
333 | return -EINVAL; | |
334 | if (value < IWL_BF_TEMP_FAST_FILTER_MIN || | |
335 | value > IWL_BF_TEMP_FAST_FILTER_MAX) | |
336 | return -EINVAL; | |
337 | param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER; | |
338 | } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) { | |
339 | if (sscanf(buf+20, "%d", &value) != 1) | |
340 | return -EINVAL; | |
341 | if (value < IWL_BF_TEMP_SLOW_FILTER_MIN || | |
342 | value > IWL_BF_TEMP_SLOW_FILTER_MAX) | |
343 | return -EINVAL; | |
344 | param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER; | |
345 | } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) { | |
346 | if (sscanf(buf+24, "%d", &value) != 1) | |
347 | return -EINVAL; | |
348 | if (value < 0 || value > 1) | |
349 | return -EINVAL; | |
350 | param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER; | |
351 | } else if (!strncmp("bf_debug_flag=", buf, 14)) { | |
352 | if (sscanf(buf+14, "%d", &value) != 1) | |
353 | return -EINVAL; | |
354 | if (value < 0 || value > 1) | |
355 | return -EINVAL; | |
356 | param = MVM_DEBUGFS_BF_DEBUG_FLAG; | |
357 | } else if (!strncmp("bf_escape_timer=", buf, 16)) { | |
358 | if (sscanf(buf+16, "%d", &value) != 1) | |
359 | return -EINVAL; | |
360 | if (value < IWL_BF_ESCAPE_TIMER_MIN || | |
361 | value > IWL_BF_ESCAPE_TIMER_MAX) | |
362 | return -EINVAL; | |
363 | param = MVM_DEBUGFS_BF_ESCAPE_TIMER; | |
364 | } else if (!strncmp("ba_escape_timer=", buf, 16)) { | |
365 | if (sscanf(buf+16, "%d", &value) != 1) | |
366 | return -EINVAL; | |
367 | if (value < IWL_BA_ESCAPE_TIMER_MIN || | |
368 | value > IWL_BA_ESCAPE_TIMER_MAX) | |
369 | return -EINVAL; | |
370 | param = MVM_DEBUGFS_BA_ESCAPE_TIMER; | |
371 | } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) { | |
372 | if (sscanf(buf+23, "%d", &value) != 1) | |
373 | return -EINVAL; | |
374 | if (value < 0 || value > 1) | |
375 | return -EINVAL; | |
376 | param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT; | |
377 | } else { | |
378 | return -EINVAL; | |
379 | } | |
380 | ||
381 | mutex_lock(&mvm->mutex); | |
382 | iwl_dbgfs_update_bf(vif, param, value); | |
383 | if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) | |
a1022927 | 384 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
e45a941d | 385 | else |
a1022927 | 386 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
e45a941d AB |
387 | mutex_unlock(&mvm->mutex); |
388 | ||
389 | return ret ?: count; | |
390 | } | |
391 | ||
392 | static ssize_t iwl_dbgfs_bf_params_read(struct file *file, | |
393 | char __user *user_buf, | |
394 | size_t count, loff_t *ppos) | |
395 | { | |
396 | struct ieee80211_vif *vif = file->private_data; | |
397 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
398 | char buf[256]; | |
399 | int pos = 0; | |
400 | const size_t bufsz = sizeof(buf); | |
401 | struct iwl_beacon_filter_cmd cmd = { | |
402 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
403 | .bf_enable_beacon_filter = | |
404 | cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT), | |
405 | .ba_enable_beacon_abort = | |
406 | cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT), | |
407 | }; | |
408 | ||
409 | iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); | |
410 | if (mvmvif->bf_data.bf_enabled) | |
411 | cmd.bf_enable_beacon_filter = cpu_to_le32(1); | |
412 | else | |
413 | cmd.bf_enable_beacon_filter = 0; | |
414 | ||
415 | pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n", | |
416 | le32_to_cpu(cmd.bf_energy_delta)); | |
417 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n", | |
418 | le32_to_cpu(cmd.bf_roaming_energy_delta)); | |
419 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n", | |
420 | le32_to_cpu(cmd.bf_roaming_state)); | |
421 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n", | |
422 | le32_to_cpu(cmd.bf_temp_threshold)); | |
423 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n", | |
424 | le32_to_cpu(cmd.bf_temp_fast_filter)); | |
425 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n", | |
426 | le32_to_cpu(cmd.bf_temp_slow_filter)); | |
427 | pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n", | |
428 | le32_to_cpu(cmd.bf_enable_beacon_filter)); | |
429 | pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n", | |
430 | le32_to_cpu(cmd.bf_debug_flag)); | |
431 | pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n", | |
432 | le32_to_cpu(cmd.bf_escape_timer)); | |
433 | pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n", | |
434 | le32_to_cpu(cmd.ba_escape_timer)); | |
435 | pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n", | |
436 | le32_to_cpu(cmd.ba_enable_beacon_abort)); | |
437 | ||
438 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
439 | } | |
440 | ||
b3bee580 RZ |
441 | static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file, |
442 | char __user *user_buf, | |
443 | size_t count, loff_t *ppos) | |
444 | { | |
445 | struct ieee80211_vif *vif = file->private_data; | |
446 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
447 | struct iwl_mvm *mvm = mvmvif->mvm; | |
448 | u32 curr_gp2; | |
449 | u64 curr_os; | |
450 | s64 diff; | |
451 | char buf[64]; | |
452 | const size_t bufsz = sizeof(buf); | |
453 | int pos = 0; | |
454 | ||
5c56d862 | 455 | mutex_lock(&mvm->mutex); |
c4ae8b9d | 456 | iwl_mvm_get_sync_time(mvm, CLOCK_BOOTTIME, &curr_gp2, &curr_os, NULL); |
5c56d862 JB |
457 | mutex_unlock(&mvm->mutex); |
458 | ||
b3bee580 RZ |
459 | do_div(curr_os, NSEC_PER_USEC); |
460 | diff = curr_os - curr_gp2; | |
461 | pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff); | |
462 | ||
463 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
464 | } | |
465 | ||
a21d7bcb JB |
466 | static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, |
467 | size_t count, loff_t *ppos) | |
468 | { | |
469 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
470 | struct iwl_mvm *mvm = mvmvif->mvm; | |
471 | u8 value; | |
472 | int ret; | |
473 | ||
474 | ret = kstrtou8(buf, 0, &value); | |
475 | if (ret) | |
476 | return ret; | |
477 | if (value > 1) | |
478 | return -EINVAL; | |
479 | ||
480 | mutex_lock(&mvm->mutex); | |
9b137866 | 481 | iwl_mvm_update_low_latency(mvm, vif, value, LOW_LATENCY_DEBUGFS); |
a21d7bcb JB |
482 | mutex_unlock(&mvm->mutex); |
483 | ||
484 | return count; | |
485 | } | |
486 | ||
fdd6c941 MG |
487 | static ssize_t |
488 | iwl_dbgfs_low_latency_force_write(struct ieee80211_vif *vif, char *buf, | |
489 | size_t count, loff_t *ppos) | |
490 | { | |
491 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
492 | struct iwl_mvm *mvm = mvmvif->mvm; | |
493 | u8 value; | |
494 | int ret; | |
495 | ||
496 | ret = kstrtou8(buf, 0, &value); | |
497 | if (ret) | |
498 | return ret; | |
499 | ||
500 | if (value > NUM_LOW_LATENCY_FORCE) | |
501 | return -EINVAL; | |
502 | ||
503 | mutex_lock(&mvm->mutex); | |
504 | if (value == LOW_LATENCY_FORCE_UNSET) { | |
505 | iwl_mvm_update_low_latency(mvm, vif, false, | |
506 | LOW_LATENCY_DEBUGFS_FORCE); | |
507 | iwl_mvm_update_low_latency(mvm, vif, false, | |
508 | LOW_LATENCY_DEBUGFS_FORCE_ENABLE); | |
509 | } else { | |
510 | iwl_mvm_update_low_latency(mvm, vif, | |
511 | value == LOW_LATENCY_FORCE_ON, | |
512 | LOW_LATENCY_DEBUGFS_FORCE); | |
513 | iwl_mvm_update_low_latency(mvm, vif, true, | |
514 | LOW_LATENCY_DEBUGFS_FORCE_ENABLE); | |
515 | } | |
516 | mutex_unlock(&mvm->mutex); | |
517 | return count; | |
518 | } | |
519 | ||
a21d7bcb JB |
520 | static ssize_t iwl_dbgfs_low_latency_read(struct file *file, |
521 | char __user *user_buf, | |
522 | size_t count, loff_t *ppos) | |
523 | { | |
524 | struct ieee80211_vif *vif = file->private_data; | |
525 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
fdd6c941 MG |
526 | char format[] = "traffic=%d\ndbgfs=%d\nvcmd=%d\nvif_type=%d\n" |
527 | "dbgfs_force_enable=%d\ndbgfs_force=%d\nactual=%d\n"; | |
528 | ||
529 | /* | |
530 | * all values in format are boolean so the size of format is enough | |
531 | * for holding the result string | |
532 | */ | |
533 | char buf[sizeof(format) + 1] = {}; | |
b525d081 | 534 | int len; |
a21d7bcb | 535 | |
fdd6c941 | 536 | len = scnprintf(buf, sizeof(buf) - 1, format, |
9b137866 SS |
537 | !!(mvmvif->low_latency & LOW_LATENCY_TRAFFIC), |
538 | !!(mvmvif->low_latency & LOW_LATENCY_DEBUGFS), | |
47242744 | 539 | !!(mvmvif->low_latency & LOW_LATENCY_VCMD), |
fdd6c941 MG |
540 | !!(mvmvif->low_latency & LOW_LATENCY_VIF_TYPE), |
541 | !!(mvmvif->low_latency & | |
542 | LOW_LATENCY_DEBUGFS_FORCE_ENABLE), | |
543 | !!(mvmvif->low_latency & LOW_LATENCY_DEBUGFS_FORCE), | |
544 | !!(mvmvif->low_latency_actual)); | |
b525d081 | 545 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
a21d7bcb JB |
546 | } |
547 | ||
e39c1b5f JB |
548 | static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file, |
549 | char __user *user_buf, | |
550 | size_t count, loff_t *ppos) | |
551 | { | |
552 | struct ieee80211_vif *vif = file->private_data; | |
553 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
554 | char buf[20]; | |
555 | int len; | |
556 | ||
4670d8dc | 557 | len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_ap_addr); |
e39c1b5f JB |
558 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
559 | } | |
560 | ||
561 | static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif, | |
562 | char *buf, size_t count, | |
563 | loff_t *ppos) | |
564 | { | |
565 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
566 | struct iwl_mvm *mvm = mvmvif->mvm; | |
567 | bool ret; | |
568 | ||
569 | mutex_lock(&mvm->mutex); | |
4670d8dc | 570 | ret = mac_pton(buf, mvmvif->uapsd_misbehaving_ap_addr); |
e39c1b5f JB |
571 | mutex_unlock(&mvm->mutex); |
572 | ||
573 | return ret ? count : -EINVAL; | |
574 | } | |
575 | ||
ddf89ab1 EG |
576 | static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf, |
577 | size_t count, loff_t *ppos) | |
578 | { | |
579 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
580 | struct iwl_mvm *mvm = mvmvif->mvm; | |
581 | struct ieee80211_chanctx_conf *chanctx_conf; | |
582 | struct iwl_mvm_phy_ctxt *phy_ctxt; | |
583 | u16 value; | |
584 | int ret; | |
585 | ||
586 | ret = kstrtou16(buf, 0, &value); | |
587 | if (ret) | |
588 | return ret; | |
589 | ||
590 | mutex_lock(&mvm->mutex); | |
591 | rcu_read_lock(); | |
592 | ||
d0a9123e | 593 | chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); |
ddf89ab1 EG |
594 | /* make sure the channel context is assigned */ |
595 | if (!chanctx_conf) { | |
596 | rcu_read_unlock(); | |
597 | mutex_unlock(&mvm->mutex); | |
598 | return -EINVAL; | |
599 | } | |
600 | ||
601 | phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv]; | |
602 | rcu_read_unlock(); | |
603 | ||
604 | mvm->dbgfs_rx_phyinfo = value; | |
605 | ||
606 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def, | |
607 | chanctx_conf->rx_chains_static, | |
608 | chanctx_conf->rx_chains_dynamic); | |
609 | mutex_unlock(&mvm->mutex); | |
610 | ||
611 | return ret ?: count; | |
612 | } | |
613 | ||
614 | static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file, | |
615 | char __user *user_buf, | |
616 | size_t count, loff_t *ppos) | |
617 | { | |
618 | struct ieee80211_vif *vif = file->private_data; | |
619 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
620 | char buf[8]; | |
40e86a36 | 621 | int len; |
ddf89ab1 | 622 | |
40e86a36 JB |
623 | len = scnprintf(buf, sizeof(buf), "0x%04x\n", |
624 | mvmvif->mvm->dbgfs_rx_phyinfo); | |
ddf89ab1 | 625 | |
40e86a36 | 626 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
ddf89ab1 EG |
627 | } |
628 | ||
a80c1cf9 JB |
629 | static void iwl_dbgfs_quota_check(void *data, u8 *mac, |
630 | struct ieee80211_vif *vif) | |
631 | { | |
632 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
633 | int *ret = data; | |
634 | ||
635 | if (mvmvif->dbgfs_quota_min) | |
636 | *ret = -EINVAL; | |
637 | } | |
638 | ||
639 | static ssize_t iwl_dbgfs_quota_min_write(struct ieee80211_vif *vif, char *buf, | |
640 | size_t count, loff_t *ppos) | |
641 | { | |
642 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
643 | struct iwl_mvm *mvm = mvmvif->mvm; | |
644 | u16 value; | |
645 | int ret; | |
646 | ||
647 | ret = kstrtou16(buf, 0, &value); | |
648 | if (ret) | |
649 | return ret; | |
650 | ||
651 | if (value > 95) | |
652 | return -EINVAL; | |
653 | ||
654 | mutex_lock(&mvm->mutex); | |
655 | ||
656 | mvmvif->dbgfs_quota_min = 0; | |
657 | ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
658 | iwl_dbgfs_quota_check, &ret); | |
659 | if (ret == 0) { | |
660 | mvmvif->dbgfs_quota_min = value; | |
661 | iwl_mvm_update_quotas(mvm, false, NULL); | |
662 | } | |
663 | mutex_unlock(&mvm->mutex); | |
664 | ||
665 | return ret ?: count; | |
666 | } | |
667 | ||
668 | static ssize_t iwl_dbgfs_quota_min_read(struct file *file, | |
669 | char __user *user_buf, | |
670 | size_t count, loff_t *ppos) | |
671 | { | |
672 | struct ieee80211_vif *vif = file->private_data; | |
673 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
674 | char buf[10]; | |
675 | int len; | |
676 | ||
40e86a36 | 677 | len = scnprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min); |
a80c1cf9 JB |
678 | |
679 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
680 | } | |
681 | ||
e45a941d AB |
682 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
683 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) | |
684 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
685 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) | |
820a1a50 | 686 | #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \ |
c9af7528 GKH |
687 | debugfs_create_file(#name, mode, parent, vif, \ |
688 | &iwl_dbgfs_##name##_ops); \ | |
820a1a50 JB |
689 | } while (0) |
690 | ||
691 | MVM_DEBUGFS_READ_FILE_OPS(mac_params); | |
25870cb7 | 692 | MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt); |
e45a941d AB |
693 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32); |
694 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); | |
a21d7bcb | 695 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); |
fdd6c941 | 696 | MVM_DEBUGFS_WRITE_FILE_OPS(low_latency_force, 10); |
e39c1b5f | 697 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); |
ddf89ab1 | 698 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); |
a80c1cf9 | 699 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32); |
b3bee580 RZ |
700 | MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff); |
701 | ||
c36235ac | 702 | void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
820a1a50 | 703 | { |
c36235ac | 704 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
820a1a50 JB |
705 | struct dentry *dbgfs_dir = vif->debugfs_dir; |
706 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
820a1a50 JB |
707 | |
708 | mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); | |
154d4899 GKH |
709 | if (IS_ERR_OR_NULL(mvmvif->dbgfs_dir)) { |
710 | IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n", | |
711 | dbgfs_dir); | |
712 | return; | |
713 | } | |
820a1a50 | 714 | |
ad2549d8 | 715 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM && |
e45a941d | 716 | ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) || |
4b87e5af | 717 | (vif->type == NL80211_IFTYPE_STATION && vif->p2p))) |
2ef00c53 JP |
718 | MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, 0600); |
719 | ||
720 | MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, 0400); | |
721 | MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, 0400); | |
722 | MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir, 0600); | |
fdd6c941 | 723 | MVM_DEBUGFS_ADD_FILE_VIF(low_latency_force, mvmvif->dbgfs_dir, 0600); |
2ef00c53 JP |
724 | MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir, 0600); |
725 | MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, 0600); | |
726 | MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, 0600); | |
727 | MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff, mvmvif->dbgfs_dir, 0400); | |
820a1a50 | 728 | |
e45a941d AB |
729 | if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && |
730 | mvmvif == mvm->bf_allowed_vif) | |
2ef00c53 | 731 | MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, 0600); |
c36235ac JB |
732 | } |
733 | ||
734 | void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
735 | { | |
736 | struct dentry *dbgfs_dir = vif->debugfs_dir; | |
737 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
738 | char buf[100]; | |
739 | ||
740 | /* this will happen in monitor mode */ | |
741 | if (!dbgfs_dir) | |
742 | return; | |
e45a941d | 743 | |
820a1a50 JB |
744 | /* |
745 | * Create symlink for convenience pointing to interface specific | |
746 | * debugfs entries for the driver. For example, under | |
747 | * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/ | |
748 | * find | |
749 | * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/ | |
750 | */ | |
c36235ac | 751 | snprintf(buf, 100, "../../../%pd3/iwlmvm", dbgfs_dir); |
820a1a50 JB |
752 | |
753 | mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, | |
754 | mvm->debugfs_dir, buf); | |
820a1a50 JB |
755 | } |
756 | ||
c36235ac | 757 | void iwl_mvm_vif_dbgfs_rm_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
820a1a50 JB |
758 | { |
759 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
760 | ||
761 | debugfs_remove(mvmvif->dbgfs_slink); | |
762 | mvmvif->dbgfs_slink = NULL; | |
820a1a50 | 763 | } |
e9dd2555 MK |
764 | |
765 | #define MVM_DEBUGFS_WRITE_LINK_FILE_OPS(name, bufsz) \ | |
766 | _MVM_DEBUGFS_WRITE_FILE_OPS(link_##name, bufsz, \ | |
767 | struct ieee80211_bss_conf) | |
768 | #define MVM_DEBUGFS_READ_WRITE_LINK_FILE_OPS(name, bufsz) \ | |
769 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(link_##name, bufsz, \ | |
770 | struct ieee80211_bss_conf) | |
771 | #define MVM_DEBUGFS_ADD_LINK_FILE(name, parent, mode) \ | |
772 | debugfs_create_file(#name, mode, parent, link_conf, \ | |
773 | &iwl_dbgfs_link_##name##_ops) | |
774 | ||
775 | static void iwl_mvm_debugfs_add_link_files(struct ieee80211_vif *vif, | |
776 | struct ieee80211_bss_conf *link_conf, | |
777 | struct dentry *mvm_dir) | |
778 | { | |
779 | /* Add per-link files here*/ | |
780 | } | |
781 | ||
782 | void iwl_mvm_link_add_debugfs(struct ieee80211_hw *hw, | |
783 | struct ieee80211_vif *vif, | |
784 | struct ieee80211_bss_conf *link_conf, | |
785 | struct dentry *dir) | |
786 | { | |
787 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
788 | struct iwl_mvm *mvm = mvmvif->mvm; | |
789 | unsigned int link_id = link_conf->link_id; | |
790 | struct iwl_mvm_vif_link_info *link_info = mvmvif->link[link_id]; | |
791 | struct dentry *mvm_dir; | |
792 | ||
793 | if (WARN_ON(!link_info) || !dir) | |
794 | return; | |
795 | ||
796 | if (dir == vif->debugfs_dir) { | |
797 | WARN_ON(!mvmvif->dbgfs_dir); | |
798 | mvm_dir = mvmvif->dbgfs_dir; | |
799 | } else { | |
800 | mvm_dir = debugfs_create_dir("iwlmvm", dir); | |
801 | if (IS_ERR_OR_NULL(mvm_dir)) { | |
802 | IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n", | |
803 | dir); | |
804 | return; | |
805 | } | |
806 | } | |
807 | ||
808 | iwl_mvm_debugfs_add_link_files(vif, link_conf, mvm_dir); | |
809 | } |