| 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 - 2015 Intel Mobile Communications GmbH |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of version 2 of the GNU General Public License as |
| 13 | * published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 23 | * USA |
| 24 | * |
| 25 | * The full GNU General Public License is included in this distribution |
| 26 | * in the file called COPYING. |
| 27 | * |
| 28 | * Contact Information: |
| 29 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 31 | * |
| 32 | * BSD LICENSE |
| 33 | * |
| 34 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
| 35 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
| 36 | * All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * |
| 42 | * * Redistributions of source code must retain the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer. |
| 44 | * * Redistributions in binary form must reproduce the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer in |
| 46 | * the documentation and/or other materials provided with the |
| 47 | * distribution. |
| 48 | * * Neither the name Intel Corporation nor the names of its |
| 49 | * contributors may be used to endorse or promote products derived |
| 50 | * from this software without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 63 | * |
| 64 | *****************************************************************************/ |
| 65 | #include <linux/vmalloc.h> |
| 66 | |
| 67 | #include "mvm.h" |
| 68 | #include "sta.h" |
| 69 | #include "iwl-io.h" |
| 70 | #include "debugfs.h" |
| 71 | #include "iwl-fw-error-dump.h" |
| 72 | |
| 73 | static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, |
| 74 | size_t count, loff_t *ppos) |
| 75 | { |
| 76 | int ret; |
| 77 | u32 scd_q_msk; |
| 78 | |
| 79 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) |
| 80 | return -EIO; |
| 81 | |
| 82 | if (sscanf(buf, "%x", &scd_q_msk) != 1) |
| 83 | return -EINVAL; |
| 84 | |
| 85 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); |
| 86 | |
| 87 | mutex_lock(&mvm->mutex); |
| 88 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count; |
| 89 | mutex_unlock(&mvm->mutex); |
| 90 | |
| 91 | return ret; |
| 92 | } |
| 93 | |
| 94 | static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, |
| 95 | size_t count, loff_t *ppos) |
| 96 | { |
| 97 | struct iwl_mvm_sta *mvmsta; |
| 98 | int sta_id, drain, ret; |
| 99 | |
| 100 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) |
| 101 | return -EIO; |
| 102 | |
| 103 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) |
| 104 | return -EINVAL; |
| 105 | if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) |
| 106 | return -EINVAL; |
| 107 | if (drain < 0 || drain > 1) |
| 108 | return -EINVAL; |
| 109 | |
| 110 | mutex_lock(&mvm->mutex); |
| 111 | |
| 112 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); |
| 113 | |
| 114 | if (!mvmsta) |
| 115 | ret = -ENOENT; |
| 116 | else |
| 117 | ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; |
| 118 | |
| 119 | mutex_unlock(&mvm->mutex); |
| 120 | |
| 121 | return ret; |
| 122 | } |
| 123 | |
| 124 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, |
| 125 | size_t count, loff_t *ppos) |
| 126 | { |
| 127 | struct iwl_mvm *mvm = file->private_data; |
| 128 | const struct fw_img *img; |
| 129 | unsigned int ofs, len; |
| 130 | size_t ret; |
| 131 | u8 *ptr; |
| 132 | |
| 133 | if (!mvm->ucode_loaded) |
| 134 | return -EINVAL; |
| 135 | |
| 136 | /* default is to dump the entire data segment */ |
| 137 | img = &mvm->fw->img[mvm->cur_ucode]; |
| 138 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; |
| 139 | len = img->sec[IWL_UCODE_SECTION_DATA].len; |
| 140 | |
| 141 | if (mvm->dbgfs_sram_len) { |
| 142 | ofs = mvm->dbgfs_sram_offset; |
| 143 | len = mvm->dbgfs_sram_len; |
| 144 | } |
| 145 | |
| 146 | ptr = kzalloc(len, GFP_KERNEL); |
| 147 | if (!ptr) |
| 148 | return -ENOMEM; |
| 149 | |
| 150 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
| 151 | |
| 152 | ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); |
| 153 | |
| 154 | kfree(ptr); |
| 155 | |
| 156 | return ret; |
| 157 | } |
| 158 | |
| 159 | static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, |
| 160 | size_t count, loff_t *ppos) |
| 161 | { |
| 162 | const struct fw_img *img; |
| 163 | u32 offset, len; |
| 164 | u32 img_offset, img_len; |
| 165 | |
| 166 | if (!mvm->ucode_loaded) |
| 167 | return -EINVAL; |
| 168 | |
| 169 | img = &mvm->fw->img[mvm->cur_ucode]; |
| 170 | img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; |
| 171 | img_len = img->sec[IWL_UCODE_SECTION_DATA].len; |
| 172 | |
| 173 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
| 174 | if ((offset & 0x3) || (len & 0x3)) |
| 175 | return -EINVAL; |
| 176 | |
| 177 | if (offset + len > img_offset + img_len) |
| 178 | return -EINVAL; |
| 179 | |
| 180 | mvm->dbgfs_sram_offset = offset; |
| 181 | mvm->dbgfs_sram_len = len; |
| 182 | } else { |
| 183 | mvm->dbgfs_sram_offset = 0; |
| 184 | mvm->dbgfs_sram_len = 0; |
| 185 | } |
| 186 | |
| 187 | return count; |
| 188 | } |
| 189 | |
| 190 | static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, |
| 191 | char __user *user_buf, |
| 192 | size_t count, loff_t *ppos) |
| 193 | { |
| 194 | struct iwl_mvm *mvm = file->private_data; |
| 195 | char buf[16]; |
| 196 | int pos; |
| 197 | |
| 198 | if (!mvm->temperature_test) |
| 199 | pos = scnprintf(buf , sizeof(buf), "disabled\n"); |
| 200 | else |
| 201 | pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); |
| 202 | |
| 203 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | * Set NIC Temperature |
| 208 | * Cause the driver to ignore the actual NIC temperature reported by the FW |
| 209 | * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - |
| 210 | * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX |
| 211 | * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE |
| 212 | */ |
| 213 | static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, |
| 214 | char *buf, size_t count, |
| 215 | loff_t *ppos) |
| 216 | { |
| 217 | int temperature; |
| 218 | |
| 219 | if (!mvm->ucode_loaded && !mvm->temperature_test) |
| 220 | return -EIO; |
| 221 | |
| 222 | if (kstrtoint(buf, 10, &temperature)) |
| 223 | return -EINVAL; |
| 224 | /* not a legal temperature */ |
| 225 | if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && |
| 226 | temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || |
| 227 | temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) |
| 228 | return -EINVAL; |
| 229 | |
| 230 | mutex_lock(&mvm->mutex); |
| 231 | if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { |
| 232 | if (!mvm->temperature_test) |
| 233 | goto out; |
| 234 | |
| 235 | mvm->temperature_test = false; |
| 236 | /* Since we can't read the temp while awake, just set |
| 237 | * it to zero until we get the next RX stats from the |
| 238 | * firmware. |
| 239 | */ |
| 240 | mvm->temperature = 0; |
| 241 | } else { |
| 242 | mvm->temperature_test = true; |
| 243 | mvm->temperature = temperature; |
| 244 | } |
| 245 | IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", |
| 246 | mvm->temperature_test ? "En" : "Dis" , |
| 247 | mvm->temperature); |
| 248 | /* handle the temperature change */ |
| 249 | iwl_mvm_tt_handler(mvm); |
| 250 | |
| 251 | out: |
| 252 | mutex_unlock(&mvm->mutex); |
| 253 | |
| 254 | return count; |
| 255 | } |
| 256 | |
| 257 | static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, |
| 258 | char __user *user_buf, |
| 259 | size_t count, loff_t *ppos) |
| 260 | { |
| 261 | struct iwl_mvm *mvm = file->private_data; |
| 262 | char buf[16]; |
| 263 | int pos, temp; |
| 264 | |
| 265 | if (!mvm->ucode_loaded) |
| 266 | return -EIO; |
| 267 | |
| 268 | mutex_lock(&mvm->mutex); |
| 269 | temp = iwl_mvm_get_temp(mvm); |
| 270 | mutex_unlock(&mvm->mutex); |
| 271 | |
| 272 | if (temp < 0) |
| 273 | return temp; |
| 274 | |
| 275 | pos = scnprintf(buf , sizeof(buf), "%d\n", temp); |
| 276 | |
| 277 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 278 | } |
| 279 | |
| 280 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
| 281 | size_t count, loff_t *ppos) |
| 282 | { |
| 283 | struct iwl_mvm *mvm = file->private_data; |
| 284 | struct ieee80211_sta *sta; |
| 285 | char buf[400]; |
| 286 | int i, pos = 0, bufsz = sizeof(buf); |
| 287 | |
| 288 | mutex_lock(&mvm->mutex); |
| 289 | |
| 290 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { |
| 291 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); |
| 292 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
| 293 | lockdep_is_held(&mvm->mutex)); |
| 294 | if (!sta) |
| 295 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); |
| 296 | else if (IS_ERR(sta)) |
| 297 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", |
| 298 | PTR_ERR(sta)); |
| 299 | else |
| 300 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", |
| 301 | sta->addr); |
| 302 | } |
| 303 | |
| 304 | mutex_unlock(&mvm->mutex); |
| 305 | |
| 306 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 307 | } |
| 308 | |
| 309 | static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, |
| 310 | char __user *user_buf, |
| 311 | size_t count, loff_t *ppos) |
| 312 | { |
| 313 | struct iwl_mvm *mvm = file->private_data; |
| 314 | char buf[64]; |
| 315 | int bufsz = sizeof(buf); |
| 316 | int pos = 0; |
| 317 | |
| 318 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", |
| 319 | mvm->disable_power_off); |
| 320 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", |
| 321 | mvm->disable_power_off_d3); |
| 322 | |
| 323 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 324 | } |
| 325 | |
| 326 | static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, |
| 327 | size_t count, loff_t *ppos) |
| 328 | { |
| 329 | int ret, val; |
| 330 | |
| 331 | if (!mvm->ucode_loaded) |
| 332 | return -EIO; |
| 333 | |
| 334 | if (!strncmp("disable_power_off_d0=", buf, 21)) { |
| 335 | if (sscanf(buf + 21, "%d", &val) != 1) |
| 336 | return -EINVAL; |
| 337 | mvm->disable_power_off = val; |
| 338 | } else if (!strncmp("disable_power_off_d3=", buf, 21)) { |
| 339 | if (sscanf(buf + 21, "%d", &val) != 1) |
| 340 | return -EINVAL; |
| 341 | mvm->disable_power_off_d3 = val; |
| 342 | } else { |
| 343 | return -EINVAL; |
| 344 | } |
| 345 | |
| 346 | mutex_lock(&mvm->mutex); |
| 347 | ret = iwl_mvm_power_update_device(mvm); |
| 348 | mutex_unlock(&mvm->mutex); |
| 349 | |
| 350 | return ret ?: count; |
| 351 | } |
| 352 | |
| 353 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
| 354 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ |
| 355 | >> BT_MBOX##_num##_##_field##_POS) |
| 356 | |
| 357 | |
| 358 | #define BT_MBOX_PRINT(_num, _field, _end) \ |
| 359 | pos += scnprintf(buf + pos, bufsz - pos, \ |
| 360 | "\t%s: %d%s", \ |
| 361 | #_field, \ |
| 362 | BT_MBOX_MSG(notif, _num, _field), \ |
| 363 | true ? "\n" : ", "); |
| 364 | |
| 365 | static |
| 366 | int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, |
| 367 | int pos, int bufsz) |
| 368 | { |
| 369 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
| 370 | |
| 371 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
| 372 | BT_MBOX_PRINT(0, LE_PROF1, false); |
| 373 | BT_MBOX_PRINT(0, LE_PROF2, false); |
| 374 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); |
| 375 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); |
| 376 | BT_MBOX_PRINT(0, INBAND_S, false); |
| 377 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); |
| 378 | BT_MBOX_PRINT(0, LE_SCAN, false); |
| 379 | BT_MBOX_PRINT(0, LE_ADV, false); |
| 380 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); |
| 381 | BT_MBOX_PRINT(0, OPEN_CON_1, true); |
| 382 | |
| 383 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); |
| 384 | |
| 385 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); |
| 386 | BT_MBOX_PRINT(1, IP_SR, false); |
| 387 | BT_MBOX_PRINT(1, LE_MSTR, false); |
| 388 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); |
| 389 | BT_MBOX_PRINT(1, MSG_TYPE, false); |
| 390 | BT_MBOX_PRINT(1, SSN, true); |
| 391 | |
| 392 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); |
| 393 | |
| 394 | BT_MBOX_PRINT(2, SNIFF_ACT, false); |
| 395 | BT_MBOX_PRINT(2, PAG, false); |
| 396 | BT_MBOX_PRINT(2, INQUIRY, false); |
| 397 | BT_MBOX_PRINT(2, CONN, false); |
| 398 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); |
| 399 | BT_MBOX_PRINT(2, DISC, false); |
| 400 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); |
| 401 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); |
| 402 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); |
| 403 | BT_MBOX_PRINT(2, SCO_DURATION, true); |
| 404 | |
| 405 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); |
| 406 | |
| 407 | BT_MBOX_PRINT(3, SCO_STATE, false); |
| 408 | BT_MBOX_PRINT(3, SNIFF_STATE, false); |
| 409 | BT_MBOX_PRINT(3, A2DP_STATE, false); |
| 410 | BT_MBOX_PRINT(3, ACL_STATE, false); |
| 411 | BT_MBOX_PRINT(3, MSTR_STATE, false); |
| 412 | BT_MBOX_PRINT(3, OBX_STATE, false); |
| 413 | BT_MBOX_PRINT(3, OPEN_CON_2, false); |
| 414 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); |
| 415 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); |
| 416 | BT_MBOX_PRINT(3, INBAND_P, false); |
| 417 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); |
| 418 | BT_MBOX_PRINT(3, SSN_2, false); |
| 419 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); |
| 420 | |
| 421 | return pos; |
| 422 | } |
| 423 | |
| 424 | static |
| 425 | int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif, |
| 426 | char *buf, int pos, int bufsz) |
| 427 | { |
| 428 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
| 429 | |
| 430 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
| 431 | BT_MBOX_PRINT(0, LE_PROF1, false); |
| 432 | BT_MBOX_PRINT(0, LE_PROF2, false); |
| 433 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); |
| 434 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); |
| 435 | BT_MBOX_PRINT(0, INBAND_S, false); |
| 436 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); |
| 437 | BT_MBOX_PRINT(0, LE_SCAN, false); |
| 438 | BT_MBOX_PRINT(0, LE_ADV, false); |
| 439 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); |
| 440 | BT_MBOX_PRINT(0, OPEN_CON_1, true); |
| 441 | |
| 442 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); |
| 443 | |
| 444 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); |
| 445 | BT_MBOX_PRINT(1, IP_SR, false); |
| 446 | BT_MBOX_PRINT(1, LE_MSTR, false); |
| 447 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); |
| 448 | BT_MBOX_PRINT(1, MSG_TYPE, false); |
| 449 | BT_MBOX_PRINT(1, SSN, true); |
| 450 | |
| 451 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); |
| 452 | |
| 453 | BT_MBOX_PRINT(2, SNIFF_ACT, false); |
| 454 | BT_MBOX_PRINT(2, PAG, false); |
| 455 | BT_MBOX_PRINT(2, INQUIRY, false); |
| 456 | BT_MBOX_PRINT(2, CONN, false); |
| 457 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); |
| 458 | BT_MBOX_PRINT(2, DISC, false); |
| 459 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); |
| 460 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); |
| 461 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); |
| 462 | BT_MBOX_PRINT(2, SCO_DURATION, true); |
| 463 | |
| 464 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); |
| 465 | |
| 466 | BT_MBOX_PRINT(3, SCO_STATE, false); |
| 467 | BT_MBOX_PRINT(3, SNIFF_STATE, false); |
| 468 | BT_MBOX_PRINT(3, A2DP_STATE, false); |
| 469 | BT_MBOX_PRINT(3, ACL_STATE, false); |
| 470 | BT_MBOX_PRINT(3, MSTR_STATE, false); |
| 471 | BT_MBOX_PRINT(3, OBX_STATE, false); |
| 472 | BT_MBOX_PRINT(3, OPEN_CON_2, false); |
| 473 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); |
| 474 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); |
| 475 | BT_MBOX_PRINT(3, INBAND_P, false); |
| 476 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); |
| 477 | BT_MBOX_PRINT(3, SSN_2, false); |
| 478 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); |
| 479 | |
| 480 | return pos; |
| 481 | } |
| 482 | |
| 483 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, |
| 484 | size_t count, loff_t *ppos) |
| 485 | { |
| 486 | struct iwl_mvm *mvm = file->private_data; |
| 487 | char *buf; |
| 488 | int ret, pos = 0, bufsz = sizeof(char) * 1024; |
| 489 | |
| 490 | buf = kmalloc(bufsz, GFP_KERNEL); |
| 491 | if (!buf) |
| 492 | return -ENOMEM; |
| 493 | |
| 494 | mutex_lock(&mvm->mutex); |
| 495 | |
| 496 | if (!fw_has_api(&mvm->fw->ucode_capa, |
| 497 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { |
| 498 | struct iwl_bt_coex_profile_notif_old *notif = |
| 499 | &mvm->last_bt_notif_old; |
| 500 | |
| 501 | pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz); |
| 502 | |
| 503 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", |
| 504 | notif->bt_ci_compliance); |
| 505 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", |
| 506 | le32_to_cpu(notif->primary_ch_lut)); |
| 507 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", |
| 508 | le32_to_cpu(notif->secondary_ch_lut)); |
| 509 | pos += scnprintf(buf+pos, |
| 510 | bufsz-pos, "bt_activity_grading = %d\n", |
| 511 | le32_to_cpu(notif->bt_activity_grading)); |
| 512 | pos += scnprintf(buf+pos, bufsz-pos, |
| 513 | "antenna isolation = %d CORUN LUT index = %d\n", |
| 514 | mvm->last_ant_isol, mvm->last_corun_lut); |
| 515 | } else { |
| 516 | struct iwl_bt_coex_profile_notif *notif = |
| 517 | &mvm->last_bt_notif; |
| 518 | |
| 519 | pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); |
| 520 | |
| 521 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", |
| 522 | notif->bt_ci_compliance); |
| 523 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", |
| 524 | le32_to_cpu(notif->primary_ch_lut)); |
| 525 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", |
| 526 | le32_to_cpu(notif->secondary_ch_lut)); |
| 527 | pos += scnprintf(buf+pos, |
| 528 | bufsz-pos, "bt_activity_grading = %d\n", |
| 529 | le32_to_cpu(notif->bt_activity_grading)); |
| 530 | pos += scnprintf(buf+pos, bufsz-pos, |
| 531 | "antenna isolation = %d CORUN LUT index = %d\n", |
| 532 | mvm->last_ant_isol, mvm->last_corun_lut); |
| 533 | } |
| 534 | |
| 535 | mutex_unlock(&mvm->mutex); |
| 536 | |
| 537 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 538 | kfree(buf); |
| 539 | |
| 540 | return ret; |
| 541 | } |
| 542 | #undef BT_MBOX_PRINT |
| 543 | |
| 544 | static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, |
| 545 | size_t count, loff_t *ppos) |
| 546 | { |
| 547 | struct iwl_mvm *mvm = file->private_data; |
| 548 | char buf[256]; |
| 549 | int bufsz = sizeof(buf); |
| 550 | int pos = 0; |
| 551 | |
| 552 | mutex_lock(&mvm->mutex); |
| 553 | |
| 554 | if (!fw_has_api(&mvm->fw->ucode_capa, |
| 555 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { |
| 556 | struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; |
| 557 | |
| 558 | pos += scnprintf(buf+pos, bufsz-pos, |
| 559 | "Channel inhibition CMD\n"); |
| 560 | pos += scnprintf(buf+pos, bufsz-pos, |
| 561 | "\tPrimary Channel Bitmap 0x%016llx\n", |
| 562 | le64_to_cpu(cmd->bt_primary_ci)); |
| 563 | pos += scnprintf(buf+pos, bufsz-pos, |
| 564 | "\tSecondary Channel Bitmap 0x%016llx\n", |
| 565 | le64_to_cpu(cmd->bt_secondary_ci)); |
| 566 | |
| 567 | pos += scnprintf(buf+pos, bufsz-pos, |
| 568 | "BT Configuration CMD - 0=default, 1=never, 2=always\n"); |
| 569 | pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n", |
| 570 | mvm->bt_ack_kill_msk[0]); |
| 571 | pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n", |
| 572 | mvm->bt_cts_kill_msk[0]); |
| 573 | |
| 574 | } else { |
| 575 | struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; |
| 576 | |
| 577 | pos += scnprintf(buf+pos, bufsz-pos, |
| 578 | "Channel inhibition CMD\n"); |
| 579 | pos += scnprintf(buf+pos, bufsz-pos, |
| 580 | "\tPrimary Channel Bitmap 0x%016llx\n", |
| 581 | le64_to_cpu(cmd->bt_primary_ci)); |
| 582 | pos += scnprintf(buf+pos, bufsz-pos, |
| 583 | "\tSecondary Channel Bitmap 0x%016llx\n", |
| 584 | le64_to_cpu(cmd->bt_secondary_ci)); |
| 585 | } |
| 586 | |
| 587 | mutex_unlock(&mvm->mutex); |
| 588 | |
| 589 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 590 | } |
| 591 | |
| 592 | static ssize_t |
| 593 | iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, |
| 594 | size_t count, loff_t *ppos) |
| 595 | { |
| 596 | u32 bt_tx_prio; |
| 597 | |
| 598 | if (sscanf(buf, "%u", &bt_tx_prio) != 1) |
| 599 | return -EINVAL; |
| 600 | if (bt_tx_prio > 4) |
| 601 | return -EINVAL; |
| 602 | |
| 603 | mvm->bt_tx_prio = bt_tx_prio; |
| 604 | |
| 605 | return count; |
| 606 | } |
| 607 | |
| 608 | static ssize_t |
| 609 | iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, |
| 610 | size_t count, loff_t *ppos) |
| 611 | { |
| 612 | static const char * const modes_str[BT_FORCE_ANT_MAX] = { |
| 613 | [BT_FORCE_ANT_DIS] = "dis", |
| 614 | [BT_FORCE_ANT_AUTO] = "auto", |
| 615 | [BT_FORCE_ANT_BT] = "bt", |
| 616 | [BT_FORCE_ANT_WIFI] = "wifi", |
| 617 | }; |
| 618 | int ret, bt_force_ant_mode; |
| 619 | |
| 620 | for (bt_force_ant_mode = 0; |
| 621 | bt_force_ant_mode < ARRAY_SIZE(modes_str); |
| 622 | bt_force_ant_mode++) { |
| 623 | if (!strcmp(buf, modes_str[bt_force_ant_mode])) |
| 624 | break; |
| 625 | } |
| 626 | |
| 627 | if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) |
| 628 | return -EINVAL; |
| 629 | |
| 630 | ret = 0; |
| 631 | mutex_lock(&mvm->mutex); |
| 632 | if (mvm->bt_force_ant_mode == bt_force_ant_mode) |
| 633 | goto out; |
| 634 | |
| 635 | mvm->bt_force_ant_mode = bt_force_ant_mode; |
| 636 | IWL_DEBUG_COEX(mvm, "Force mode: %s\n", |
| 637 | modes_str[mvm->bt_force_ant_mode]); |
| 638 | ret = iwl_send_bt_init_conf(mvm); |
| 639 | |
| 640 | out: |
| 641 | mutex_unlock(&mvm->mutex); |
| 642 | return ret ?: count; |
| 643 | } |
| 644 | |
| 645 | #define PRINT_STATS_LE32(_struct, _memb) \ |
| 646 | pos += scnprintf(buf + pos, bufsz - pos, \ |
| 647 | fmt_table, #_memb, \ |
| 648 | le32_to_cpu(_struct->_memb)) |
| 649 | |
| 650 | static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, |
| 651 | char __user *user_buf, size_t count, |
| 652 | loff_t *ppos) |
| 653 | { |
| 654 | struct iwl_mvm *mvm = file->private_data; |
| 655 | static const char *fmt_table = "\t%-30s %10u\n"; |
| 656 | static const char *fmt_header = "%-32s\n"; |
| 657 | int pos = 0; |
| 658 | char *buf; |
| 659 | int ret; |
| 660 | /* 43 is the size of each data line, 33 is the size of each header */ |
| 661 | size_t bufsz = |
| 662 | ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + |
| 663 | (4 * 33) + 1; |
| 664 | |
| 665 | struct mvm_statistics_rx_phy *ofdm; |
| 666 | struct mvm_statistics_rx_phy *cck; |
| 667 | struct mvm_statistics_rx_non_phy *general; |
| 668 | struct mvm_statistics_rx_ht_phy *ht; |
| 669 | |
| 670 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 671 | if (!buf) |
| 672 | return -ENOMEM; |
| 673 | |
| 674 | mutex_lock(&mvm->mutex); |
| 675 | |
| 676 | ofdm = &mvm->rx_stats.ofdm; |
| 677 | cck = &mvm->rx_stats.cck; |
| 678 | general = &mvm->rx_stats.general; |
| 679 | ht = &mvm->rx_stats.ofdm_ht; |
| 680 | |
| 681 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, |
| 682 | "Statistics_Rx - OFDM"); |
| 683 | PRINT_STATS_LE32(ofdm, ina_cnt); |
| 684 | PRINT_STATS_LE32(ofdm, fina_cnt); |
| 685 | PRINT_STATS_LE32(ofdm, plcp_err); |
| 686 | PRINT_STATS_LE32(ofdm, crc32_err); |
| 687 | PRINT_STATS_LE32(ofdm, overrun_err); |
| 688 | PRINT_STATS_LE32(ofdm, early_overrun_err); |
| 689 | PRINT_STATS_LE32(ofdm, crc32_good); |
| 690 | PRINT_STATS_LE32(ofdm, false_alarm_cnt); |
| 691 | PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); |
| 692 | PRINT_STATS_LE32(ofdm, sfd_timeout); |
| 693 | PRINT_STATS_LE32(ofdm, fina_timeout); |
| 694 | PRINT_STATS_LE32(ofdm, unresponded_rts); |
| 695 | PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); |
| 696 | PRINT_STATS_LE32(ofdm, sent_ack_cnt); |
| 697 | PRINT_STATS_LE32(ofdm, sent_cts_cnt); |
| 698 | PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); |
| 699 | PRINT_STATS_LE32(ofdm, dsp_self_kill); |
| 700 | PRINT_STATS_LE32(ofdm, mh_format_err); |
| 701 | PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); |
| 702 | PRINT_STATS_LE32(ofdm, reserved); |
| 703 | |
| 704 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, |
| 705 | "Statistics_Rx - CCK"); |
| 706 | PRINT_STATS_LE32(cck, ina_cnt); |
| 707 | PRINT_STATS_LE32(cck, fina_cnt); |
| 708 | PRINT_STATS_LE32(cck, plcp_err); |
| 709 | PRINT_STATS_LE32(cck, crc32_err); |
| 710 | PRINT_STATS_LE32(cck, overrun_err); |
| 711 | PRINT_STATS_LE32(cck, early_overrun_err); |
| 712 | PRINT_STATS_LE32(cck, crc32_good); |
| 713 | PRINT_STATS_LE32(cck, false_alarm_cnt); |
| 714 | PRINT_STATS_LE32(cck, fina_sync_err_cnt); |
| 715 | PRINT_STATS_LE32(cck, sfd_timeout); |
| 716 | PRINT_STATS_LE32(cck, fina_timeout); |
| 717 | PRINT_STATS_LE32(cck, unresponded_rts); |
| 718 | PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); |
| 719 | PRINT_STATS_LE32(cck, sent_ack_cnt); |
| 720 | PRINT_STATS_LE32(cck, sent_cts_cnt); |
| 721 | PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); |
| 722 | PRINT_STATS_LE32(cck, dsp_self_kill); |
| 723 | PRINT_STATS_LE32(cck, mh_format_err); |
| 724 | PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); |
| 725 | PRINT_STATS_LE32(cck, reserved); |
| 726 | |
| 727 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, |
| 728 | "Statistics_Rx - GENERAL"); |
| 729 | PRINT_STATS_LE32(general, bogus_cts); |
| 730 | PRINT_STATS_LE32(general, bogus_ack); |
| 731 | PRINT_STATS_LE32(general, non_bssid_frames); |
| 732 | PRINT_STATS_LE32(general, filtered_frames); |
| 733 | PRINT_STATS_LE32(general, non_channel_beacons); |
| 734 | PRINT_STATS_LE32(general, channel_beacons); |
| 735 | PRINT_STATS_LE32(general, num_missed_bcon); |
| 736 | PRINT_STATS_LE32(general, adc_rx_saturation_time); |
| 737 | PRINT_STATS_LE32(general, ina_detection_search_time); |
| 738 | PRINT_STATS_LE32(general, beacon_silence_rssi_a); |
| 739 | PRINT_STATS_LE32(general, beacon_silence_rssi_b); |
| 740 | PRINT_STATS_LE32(general, beacon_silence_rssi_c); |
| 741 | PRINT_STATS_LE32(general, interference_data_flag); |
| 742 | PRINT_STATS_LE32(general, channel_load); |
| 743 | PRINT_STATS_LE32(general, dsp_false_alarms); |
| 744 | PRINT_STATS_LE32(general, beacon_rssi_a); |
| 745 | PRINT_STATS_LE32(general, beacon_rssi_b); |
| 746 | PRINT_STATS_LE32(general, beacon_rssi_c); |
| 747 | PRINT_STATS_LE32(general, beacon_energy_a); |
| 748 | PRINT_STATS_LE32(general, beacon_energy_b); |
| 749 | PRINT_STATS_LE32(general, beacon_energy_c); |
| 750 | PRINT_STATS_LE32(general, num_bt_kills); |
| 751 | PRINT_STATS_LE32(general, mac_id); |
| 752 | PRINT_STATS_LE32(general, directed_data_mpdu); |
| 753 | |
| 754 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, |
| 755 | "Statistics_Rx - HT"); |
| 756 | PRINT_STATS_LE32(ht, plcp_err); |
| 757 | PRINT_STATS_LE32(ht, overrun_err); |
| 758 | PRINT_STATS_LE32(ht, early_overrun_err); |
| 759 | PRINT_STATS_LE32(ht, crc32_good); |
| 760 | PRINT_STATS_LE32(ht, crc32_err); |
| 761 | PRINT_STATS_LE32(ht, mh_format_err); |
| 762 | PRINT_STATS_LE32(ht, agg_crc32_good); |
| 763 | PRINT_STATS_LE32(ht, agg_mpdu_cnt); |
| 764 | PRINT_STATS_LE32(ht, agg_cnt); |
| 765 | PRINT_STATS_LE32(ht, unsupport_mcs); |
| 766 | |
| 767 | mutex_unlock(&mvm->mutex); |
| 768 | |
| 769 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 770 | kfree(buf); |
| 771 | |
| 772 | return ret; |
| 773 | } |
| 774 | #undef PRINT_STAT_LE32 |
| 775 | |
| 776 | static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, |
| 777 | char __user *user_buf, size_t count, |
| 778 | loff_t *ppos, |
| 779 | struct iwl_mvm_frame_stats *stats) |
| 780 | { |
| 781 | char *buff, *pos, *endpos; |
| 782 | int idx, i; |
| 783 | int ret; |
| 784 | static const size_t bufsz = 1024; |
| 785 | |
| 786 | buff = kmalloc(bufsz, GFP_KERNEL); |
| 787 | if (!buff) |
| 788 | return -ENOMEM; |
| 789 | |
| 790 | spin_lock_bh(&mvm->drv_stats_lock); |
| 791 | |
| 792 | pos = buff; |
| 793 | endpos = pos + bufsz; |
| 794 | |
| 795 | pos += scnprintf(pos, endpos - pos, |
| 796 | "Legacy/HT/VHT\t:\t%d/%d/%d\n", |
| 797 | stats->legacy_frames, |
| 798 | stats->ht_frames, |
| 799 | stats->vht_frames); |
| 800 | pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", |
| 801 | stats->bw_20_frames, |
| 802 | stats->bw_40_frames, |
| 803 | stats->bw_80_frames); |
| 804 | pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", |
| 805 | stats->ngi_frames, |
| 806 | stats->sgi_frames); |
| 807 | pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", |
| 808 | stats->siso_frames, |
| 809 | stats->mimo2_frames); |
| 810 | pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", |
| 811 | stats->fail_frames, |
| 812 | stats->success_frames); |
| 813 | pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", |
| 814 | stats->agg_frames); |
| 815 | pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", |
| 816 | stats->ampdu_count); |
| 817 | pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", |
| 818 | stats->ampdu_count > 0 ? |
| 819 | (stats->agg_frames / stats->ampdu_count) : 0); |
| 820 | |
| 821 | pos += scnprintf(pos, endpos - pos, "Last Rates\n"); |
| 822 | |
| 823 | idx = stats->last_frame_idx - 1; |
| 824 | for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { |
| 825 | idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); |
| 826 | if (stats->last_rates[idx] == 0) |
| 827 | continue; |
| 828 | pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", |
| 829 | (int)(ARRAY_SIZE(stats->last_rates) - i)); |
| 830 | pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); |
| 831 | } |
| 832 | spin_unlock_bh(&mvm->drv_stats_lock); |
| 833 | |
| 834 | ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); |
| 835 | kfree(buff); |
| 836 | |
| 837 | return ret; |
| 838 | } |
| 839 | |
| 840 | static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, |
| 841 | char __user *user_buf, size_t count, |
| 842 | loff_t *ppos) |
| 843 | { |
| 844 | struct iwl_mvm *mvm = file->private_data; |
| 845 | |
| 846 | return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, |
| 847 | &mvm->drv_rx_stats); |
| 848 | } |
| 849 | |
| 850 | static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, |
| 851 | size_t count, loff_t *ppos) |
| 852 | { |
| 853 | int ret; |
| 854 | |
| 855 | mutex_lock(&mvm->mutex); |
| 856 | |
| 857 | /* allow one more restart that we're provoking here */ |
| 858 | if (mvm->restart_fw >= 0) |
| 859 | mvm->restart_fw++; |
| 860 | |
| 861 | /* take the return value to make compiler happy - it will fail anyway */ |
| 862 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); |
| 863 | |
| 864 | mutex_unlock(&mvm->mutex); |
| 865 | |
| 866 | return count; |
| 867 | } |
| 868 | |
| 869 | static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, |
| 870 | size_t count, loff_t *ppos) |
| 871 | { |
| 872 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); |
| 873 | if (ret) |
| 874 | return ret; |
| 875 | |
| 876 | iwl_force_nmi(mvm->trans); |
| 877 | |
| 878 | iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); |
| 879 | |
| 880 | return count; |
| 881 | } |
| 882 | |
| 883 | static ssize_t |
| 884 | iwl_dbgfs_scan_ant_rxchain_read(struct file *file, |
| 885 | char __user *user_buf, |
| 886 | size_t count, loff_t *ppos) |
| 887 | { |
| 888 | struct iwl_mvm *mvm = file->private_data; |
| 889 | int pos = 0; |
| 890 | char buf[32]; |
| 891 | const size_t bufsz = sizeof(buf); |
| 892 | |
| 893 | /* print which antennas were set for the scan command by the user */ |
| 894 | pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); |
| 895 | if (mvm->scan_rx_ant & ANT_A) |
| 896 | pos += scnprintf(buf + pos, bufsz - pos, "A"); |
| 897 | if (mvm->scan_rx_ant & ANT_B) |
| 898 | pos += scnprintf(buf + pos, bufsz - pos, "B"); |
| 899 | if (mvm->scan_rx_ant & ANT_C) |
| 900 | pos += scnprintf(buf + pos, bufsz - pos, "C"); |
| 901 | pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); |
| 902 | |
| 903 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 904 | } |
| 905 | |
| 906 | static ssize_t |
| 907 | iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, |
| 908 | size_t count, loff_t *ppos) |
| 909 | { |
| 910 | u8 scan_rx_ant; |
| 911 | |
| 912 | if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) |
| 913 | return -EINVAL; |
| 914 | if (scan_rx_ant > ANT_ABC) |
| 915 | return -EINVAL; |
| 916 | if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) |
| 917 | return -EINVAL; |
| 918 | |
| 919 | if (mvm->scan_rx_ant != scan_rx_ant) { |
| 920 | mvm->scan_rx_ant = scan_rx_ant; |
| 921 | if (fw_has_capa(&mvm->fw->ucode_capa, |
| 922 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
| 923 | iwl_mvm_config_scan(mvm); |
| 924 | } |
| 925 | |
| 926 | return count; |
| 927 | } |
| 928 | |
| 929 | static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, |
| 930 | char __user *user_buf, |
| 931 | size_t count, loff_t *ppos) |
| 932 | { |
| 933 | struct iwl_mvm *mvm = file->private_data; |
| 934 | int conf; |
| 935 | char buf[8]; |
| 936 | const size_t bufsz = sizeof(buf); |
| 937 | int pos = 0; |
| 938 | |
| 939 | mutex_lock(&mvm->mutex); |
| 940 | conf = mvm->fw_dbg_conf; |
| 941 | mutex_unlock(&mvm->mutex); |
| 942 | |
| 943 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); |
| 944 | |
| 945 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 946 | } |
| 947 | |
| 948 | static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, |
| 949 | char *buf, size_t count, |
| 950 | loff_t *ppos) |
| 951 | { |
| 952 | int ret, conf_id; |
| 953 | |
| 954 | ret = kstrtoint(buf, 0, &conf_id); |
| 955 | if (ret) |
| 956 | return ret; |
| 957 | |
| 958 | if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) |
| 959 | return -EINVAL; |
| 960 | |
| 961 | mutex_lock(&mvm->mutex); |
| 962 | ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); |
| 963 | mutex_unlock(&mvm->mutex); |
| 964 | |
| 965 | return ret ?: count; |
| 966 | } |
| 967 | |
| 968 | static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, |
| 969 | char *buf, size_t count, |
| 970 | loff_t *ppos) |
| 971 | { |
| 972 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
| 973 | |
| 974 | if (ret) |
| 975 | return ret; |
| 976 | |
| 977 | iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL); |
| 978 | |
| 979 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); |
| 980 | |
| 981 | return count; |
| 982 | } |
| 983 | |
| 984 | #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
| 985 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 986 | static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, |
| 987 | char __user *user_buf, |
| 988 | size_t count, loff_t *ppos) |
| 989 | { |
| 990 | struct iwl_mvm *mvm = file->private_data; |
| 991 | struct iwl_bcast_filter_cmd cmd; |
| 992 | const struct iwl_fw_bcast_filter *filter; |
| 993 | char *buf; |
| 994 | int bufsz = 1024; |
| 995 | int i, j, pos = 0; |
| 996 | ssize_t ret; |
| 997 | |
| 998 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 999 | if (!buf) |
| 1000 | return -ENOMEM; |
| 1001 | |
| 1002 | mutex_lock(&mvm->mutex); |
| 1003 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
| 1004 | ADD_TEXT("None\n"); |
| 1005 | mutex_unlock(&mvm->mutex); |
| 1006 | goto out; |
| 1007 | } |
| 1008 | mutex_unlock(&mvm->mutex); |
| 1009 | |
| 1010 | for (i = 0; cmd.filters[i].attrs[0].mask; i++) { |
| 1011 | filter = &cmd.filters[i]; |
| 1012 | |
| 1013 | ADD_TEXT("Filter [%d]:\n", i); |
| 1014 | ADD_TEXT("\tDiscard=%d\n", filter->discard); |
| 1015 | ADD_TEXT("\tFrame Type: %s\n", |
| 1016 | filter->frame_type ? "IPv4" : "Generic"); |
| 1017 | |
| 1018 | for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { |
| 1019 | const struct iwl_fw_bcast_filter_attr *attr; |
| 1020 | |
| 1021 | attr = &filter->attrs[j]; |
| 1022 | if (!attr->mask) |
| 1023 | break; |
| 1024 | |
| 1025 | ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", |
| 1026 | j, attr->offset, |
| 1027 | attr->offset_type ? "IP End" : |
| 1028 | "Payload Start", |
| 1029 | be32_to_cpu(attr->mask), |
| 1030 | be32_to_cpu(attr->val), |
| 1031 | le16_to_cpu(attr->reserved1)); |
| 1032 | } |
| 1033 | } |
| 1034 | out: |
| 1035 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1036 | kfree(buf); |
| 1037 | return ret; |
| 1038 | } |
| 1039 | |
| 1040 | static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, |
| 1041 | size_t count, loff_t *ppos) |
| 1042 | { |
| 1043 | int pos, next_pos; |
| 1044 | struct iwl_fw_bcast_filter filter = {}; |
| 1045 | struct iwl_bcast_filter_cmd cmd; |
| 1046 | u32 filter_id, attr_id, mask, value; |
| 1047 | int err = 0; |
| 1048 | |
| 1049 | if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, |
| 1050 | &filter.frame_type, &pos) != 3) |
| 1051 | return -EINVAL; |
| 1052 | |
| 1053 | if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || |
| 1054 | filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) |
| 1055 | return -EINVAL; |
| 1056 | |
| 1057 | for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); |
| 1058 | attr_id++) { |
| 1059 | struct iwl_fw_bcast_filter_attr *attr = |
| 1060 | &filter.attrs[attr_id]; |
| 1061 | |
| 1062 | if (pos >= count) |
| 1063 | break; |
| 1064 | |
| 1065 | if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", |
| 1066 | &attr->offset, &attr->offset_type, |
| 1067 | &mask, &value, &next_pos) != 4) |
| 1068 | return -EINVAL; |
| 1069 | |
| 1070 | attr->mask = cpu_to_be32(mask); |
| 1071 | attr->val = cpu_to_be32(value); |
| 1072 | if (mask) |
| 1073 | filter.num_attrs++; |
| 1074 | |
| 1075 | pos += next_pos; |
| 1076 | } |
| 1077 | |
| 1078 | mutex_lock(&mvm->mutex); |
| 1079 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], |
| 1080 | &filter, sizeof(filter)); |
| 1081 | |
| 1082 | /* send updated bcast filtering configuration */ |
| 1083 | if (mvm->dbgfs_bcast_filtering.override && |
| 1084 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| 1085 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
| 1086 | sizeof(cmd), &cmd); |
| 1087 | mutex_unlock(&mvm->mutex); |
| 1088 | |
| 1089 | return err ?: count; |
| 1090 | } |
| 1091 | |
| 1092 | static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, |
| 1093 | char __user *user_buf, |
| 1094 | size_t count, loff_t *ppos) |
| 1095 | { |
| 1096 | struct iwl_mvm *mvm = file->private_data; |
| 1097 | struct iwl_bcast_filter_cmd cmd; |
| 1098 | char *buf; |
| 1099 | int bufsz = 1024; |
| 1100 | int i, pos = 0; |
| 1101 | ssize_t ret; |
| 1102 | |
| 1103 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 1104 | if (!buf) |
| 1105 | return -ENOMEM; |
| 1106 | |
| 1107 | mutex_lock(&mvm->mutex); |
| 1108 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
| 1109 | ADD_TEXT("None\n"); |
| 1110 | mutex_unlock(&mvm->mutex); |
| 1111 | goto out; |
| 1112 | } |
| 1113 | mutex_unlock(&mvm->mutex); |
| 1114 | |
| 1115 | for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { |
| 1116 | const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; |
| 1117 | |
| 1118 | ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", |
| 1119 | i, mac->default_discard, mac->attached_filters); |
| 1120 | } |
| 1121 | out: |
| 1122 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1123 | kfree(buf); |
| 1124 | return ret; |
| 1125 | } |
| 1126 | |
| 1127 | static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, |
| 1128 | char *buf, size_t count, |
| 1129 | loff_t *ppos) |
| 1130 | { |
| 1131 | struct iwl_bcast_filter_cmd cmd; |
| 1132 | struct iwl_fw_bcast_mac mac = {}; |
| 1133 | u32 mac_id, attached_filters; |
| 1134 | int err = 0; |
| 1135 | |
| 1136 | if (!mvm->bcast_filters) |
| 1137 | return -ENOENT; |
| 1138 | |
| 1139 | if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, |
| 1140 | &attached_filters) != 3) |
| 1141 | return -EINVAL; |
| 1142 | |
| 1143 | if (mac_id >= ARRAY_SIZE(cmd.macs) || |
| 1144 | mac.default_discard > 1 || |
| 1145 | attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) |
| 1146 | return -EINVAL; |
| 1147 | |
| 1148 | mac.attached_filters = cpu_to_le16(attached_filters); |
| 1149 | |
| 1150 | mutex_lock(&mvm->mutex); |
| 1151 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], |
| 1152 | &mac, sizeof(mac)); |
| 1153 | |
| 1154 | /* send updated bcast filtering configuration */ |
| 1155 | if (mvm->dbgfs_bcast_filtering.override && |
| 1156 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| 1157 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
| 1158 | sizeof(cmd), &cmd); |
| 1159 | mutex_unlock(&mvm->mutex); |
| 1160 | |
| 1161 | return err ?: count; |
| 1162 | } |
| 1163 | #endif |
| 1164 | |
| 1165 | #ifdef CONFIG_PM_SLEEP |
| 1166 | static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, |
| 1167 | size_t count, loff_t *ppos) |
| 1168 | { |
| 1169 | int store; |
| 1170 | |
| 1171 | if (sscanf(buf, "%d", &store) != 1) |
| 1172 | return -EINVAL; |
| 1173 | |
| 1174 | mvm->store_d3_resume_sram = store; |
| 1175 | |
| 1176 | return count; |
| 1177 | } |
| 1178 | |
| 1179 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, |
| 1180 | size_t count, loff_t *ppos) |
| 1181 | { |
| 1182 | struct iwl_mvm *mvm = file->private_data; |
| 1183 | const struct fw_img *img; |
| 1184 | int ofs, len, pos = 0; |
| 1185 | size_t bufsz, ret; |
| 1186 | char *buf; |
| 1187 | u8 *ptr = mvm->d3_resume_sram; |
| 1188 | |
| 1189 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; |
| 1190 | len = img->sec[IWL_UCODE_SECTION_DATA].len; |
| 1191 | |
| 1192 | bufsz = len * 4 + 256; |
| 1193 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 1194 | if (!buf) |
| 1195 | return -ENOMEM; |
| 1196 | |
| 1197 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", |
| 1198 | mvm->store_d3_resume_sram ? "en" : "dis"); |
| 1199 | |
| 1200 | if (ptr) { |
| 1201 | for (ofs = 0; ofs < len; ofs += 16) { |
| 1202 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1203 | "0x%.4x %16ph\n", ofs, ptr + ofs); |
| 1204 | } |
| 1205 | } else { |
| 1206 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1207 | "(no data captured)\n"); |
| 1208 | } |
| 1209 | |
| 1210 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1211 | |
| 1212 | kfree(buf); |
| 1213 | |
| 1214 | return ret; |
| 1215 | } |
| 1216 | |
| 1217 | #define MAX_NUM_ND_MATCHSETS 10 |
| 1218 | |
| 1219 | static ssize_t iwl_dbgfs_netdetect_write(struct iwl_mvm *mvm, char *buf, |
| 1220 | size_t count, loff_t *ppos) |
| 1221 | { |
| 1222 | const char *seps = ",\n"; |
| 1223 | char *buf_ptr = buf; |
| 1224 | char *value_str = NULL; |
| 1225 | int ret, i; |
| 1226 | |
| 1227 | /* TODO: don't free if write is being called several times in one go */ |
| 1228 | if (mvm->nd_config) { |
| 1229 | kfree(mvm->nd_config->match_sets); |
| 1230 | kfree(mvm->nd_config); |
| 1231 | mvm->nd_config = NULL; |
| 1232 | } |
| 1233 | |
| 1234 | mvm->nd_config = kzalloc(sizeof(*mvm->nd_config) + |
| 1235 | (11 * sizeof(struct ieee80211_channel *)), |
| 1236 | GFP_KERNEL); |
| 1237 | if (!mvm->nd_config) { |
| 1238 | ret = -ENOMEM; |
| 1239 | goto out_free; |
| 1240 | } |
| 1241 | |
| 1242 | mvm->nd_config->n_channels = 11; |
| 1243 | mvm->nd_config->scan_width = NL80211_BSS_CHAN_WIDTH_20; |
| 1244 | mvm->nd_config->interval = 5; |
| 1245 | mvm->nd_config->min_rssi_thold = -80; |
| 1246 | for (i = 0; i < mvm->nd_config->n_channels; i++) |
| 1247 | mvm->nd_config->channels[i] = &mvm->nvm_data->channels[i]; |
| 1248 | |
| 1249 | mvm->nd_config->match_sets = |
| 1250 | kcalloc(MAX_NUM_ND_MATCHSETS, |
| 1251 | sizeof(*mvm->nd_config->match_sets), |
| 1252 | GFP_KERNEL); |
| 1253 | if (!mvm->nd_config->match_sets) { |
| 1254 | ret = -ENOMEM; |
| 1255 | goto out_free; |
| 1256 | } |
| 1257 | |
| 1258 | while ((value_str = strsep(&buf_ptr, seps)) && |
| 1259 | strlen(value_str)) { |
| 1260 | struct cfg80211_match_set *set; |
| 1261 | |
| 1262 | if (mvm->nd_config->n_match_sets >= MAX_NUM_ND_MATCHSETS) { |
| 1263 | ret = -EINVAL; |
| 1264 | goto out_free; |
| 1265 | } |
| 1266 | |
| 1267 | set = &mvm->nd_config->match_sets[mvm->nd_config->n_match_sets]; |
| 1268 | set->ssid.ssid_len = strlen(value_str); |
| 1269 | |
| 1270 | if (set->ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 1271 | ret = -EINVAL; |
| 1272 | goto out_free; |
| 1273 | } |
| 1274 | |
| 1275 | memcpy(set->ssid.ssid, value_str, set->ssid.ssid_len); |
| 1276 | |
| 1277 | mvm->nd_config->n_match_sets++; |
| 1278 | } |
| 1279 | |
| 1280 | ret = count; |
| 1281 | |
| 1282 | if (mvm->nd_config->n_match_sets) |
| 1283 | goto out; |
| 1284 | |
| 1285 | out_free: |
| 1286 | if (mvm->nd_config) |
| 1287 | kfree(mvm->nd_config->match_sets); |
| 1288 | kfree(mvm->nd_config); |
| 1289 | mvm->nd_config = NULL; |
| 1290 | out: |
| 1291 | return ret; |
| 1292 | } |
| 1293 | |
| 1294 | static ssize_t |
| 1295 | iwl_dbgfs_netdetect_read(struct file *file, char __user *user_buf, |
| 1296 | size_t count, loff_t *ppos) |
| 1297 | { |
| 1298 | struct iwl_mvm *mvm = file->private_data; |
| 1299 | size_t bufsz, ret; |
| 1300 | char *buf; |
| 1301 | int i, n_match_sets, pos = 0; |
| 1302 | |
| 1303 | n_match_sets = mvm->nd_config ? mvm->nd_config->n_match_sets : 0; |
| 1304 | |
| 1305 | bufsz = n_match_sets * (IEEE80211_MAX_SSID_LEN + 1) + 1; |
| 1306 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 1307 | if (!buf) |
| 1308 | return -ENOMEM; |
| 1309 | |
| 1310 | for (i = 0; i < n_match_sets; i++) { |
| 1311 | if (pos + |
| 1312 | mvm->nd_config->match_sets[i].ssid.ssid_len + 2 > bufsz) { |
| 1313 | ret = -EIO; |
| 1314 | goto out; |
| 1315 | } |
| 1316 | |
| 1317 | memcpy(buf + pos, mvm->nd_config->match_sets[i].ssid.ssid, |
| 1318 | mvm->nd_config->match_sets[i].ssid.ssid_len); |
| 1319 | pos += mvm->nd_config->match_sets[i].ssid.ssid_len; |
| 1320 | buf[pos++] = '\n'; |
| 1321 | } |
| 1322 | |
| 1323 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1324 | out: |
| 1325 | kfree(buf); |
| 1326 | return ret; |
| 1327 | } |
| 1328 | #endif |
| 1329 | |
| 1330 | #define PRINT_MVM_REF(ref) do { \ |
| 1331 | if (mvm->refs[ref]) \ |
| 1332 | pos += scnprintf(buf + pos, bufsz - pos, \ |
| 1333 | "\t(0x%lx): %d %s\n", \ |
| 1334 | BIT(ref), mvm->refs[ref], #ref); \ |
| 1335 | } while (0) |
| 1336 | |
| 1337 | static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, |
| 1338 | char __user *user_buf, |
| 1339 | size_t count, loff_t *ppos) |
| 1340 | { |
| 1341 | struct iwl_mvm *mvm = file->private_data; |
| 1342 | int i, pos = 0; |
| 1343 | char buf[256]; |
| 1344 | const size_t bufsz = sizeof(buf); |
| 1345 | u32 refs = 0; |
| 1346 | |
| 1347 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) |
| 1348 | if (mvm->refs[i]) |
| 1349 | refs |= BIT(i); |
| 1350 | |
| 1351 | pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", |
| 1352 | refs); |
| 1353 | |
| 1354 | PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); |
| 1355 | PRINT_MVM_REF(IWL_MVM_REF_SCAN); |
| 1356 | PRINT_MVM_REF(IWL_MVM_REF_ROC); |
| 1357 | PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); |
| 1358 | PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); |
| 1359 | PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); |
| 1360 | PRINT_MVM_REF(IWL_MVM_REF_USER); |
| 1361 | PRINT_MVM_REF(IWL_MVM_REF_TX); |
| 1362 | PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); |
| 1363 | PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); |
| 1364 | PRINT_MVM_REF(IWL_MVM_REF_START_AP); |
| 1365 | PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); |
| 1366 | PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); |
| 1367 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); |
| 1368 | PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); |
| 1369 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); |
| 1370 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); |
| 1371 | PRINT_MVM_REF(IWL_MVM_REF_NMI); |
| 1372 | PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); |
| 1373 | PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); |
| 1374 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); |
| 1375 | PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); |
| 1376 | |
| 1377 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1378 | } |
| 1379 | |
| 1380 | static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, |
| 1381 | size_t count, loff_t *ppos) |
| 1382 | { |
| 1383 | unsigned long value; |
| 1384 | int ret; |
| 1385 | bool taken; |
| 1386 | |
| 1387 | ret = kstrtoul(buf, 10, &value); |
| 1388 | if (ret < 0) |
| 1389 | return ret; |
| 1390 | |
| 1391 | mutex_lock(&mvm->mutex); |
| 1392 | |
| 1393 | taken = mvm->refs[IWL_MVM_REF_USER]; |
| 1394 | if (value == 1 && !taken) |
| 1395 | iwl_mvm_ref(mvm, IWL_MVM_REF_USER); |
| 1396 | else if (value == 0 && taken) |
| 1397 | iwl_mvm_unref(mvm, IWL_MVM_REF_USER); |
| 1398 | else |
| 1399 | ret = -EINVAL; |
| 1400 | |
| 1401 | mutex_unlock(&mvm->mutex); |
| 1402 | |
| 1403 | if (ret < 0) |
| 1404 | return ret; |
| 1405 | return count; |
| 1406 | } |
| 1407 | |
| 1408 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
| 1409 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) |
| 1410 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ |
| 1411 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) |
| 1412 | #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ |
| 1413 | if (!debugfs_create_file(alias, mode, parent, mvm, \ |
| 1414 | &iwl_dbgfs_##name##_ops)) \ |
| 1415 | goto err; \ |
| 1416 | } while (0) |
| 1417 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ |
| 1418 | MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) |
| 1419 | |
| 1420 | static ssize_t |
| 1421 | iwl_dbgfs_prph_reg_read(struct file *file, |
| 1422 | char __user *user_buf, |
| 1423 | size_t count, loff_t *ppos) |
| 1424 | { |
| 1425 | struct iwl_mvm *mvm = file->private_data; |
| 1426 | int pos = 0; |
| 1427 | char buf[32]; |
| 1428 | const size_t bufsz = sizeof(buf); |
| 1429 | int ret; |
| 1430 | |
| 1431 | if (!mvm->dbgfs_prph_reg_addr) |
| 1432 | return -EINVAL; |
| 1433 | |
| 1434 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); |
| 1435 | if (ret) |
| 1436 | return ret; |
| 1437 | |
| 1438 | pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", |
| 1439 | mvm->dbgfs_prph_reg_addr, |
| 1440 | iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); |
| 1441 | |
| 1442 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); |
| 1443 | |
| 1444 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1445 | } |
| 1446 | |
| 1447 | static ssize_t |
| 1448 | iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, |
| 1449 | size_t count, loff_t *ppos) |
| 1450 | { |
| 1451 | u8 args; |
| 1452 | u32 value; |
| 1453 | int ret; |
| 1454 | |
| 1455 | args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); |
| 1456 | /* if we only want to set the reg address - nothing more to do */ |
| 1457 | if (args == 1) |
| 1458 | goto out; |
| 1459 | |
| 1460 | /* otherwise, make sure we have both address and value */ |
| 1461 | if (args != 2) |
| 1462 | return -EINVAL; |
| 1463 | |
| 1464 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
| 1465 | if (ret) |
| 1466 | return ret; |
| 1467 | |
| 1468 | iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); |
| 1469 | |
| 1470 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); |
| 1471 | out: |
| 1472 | return count; |
| 1473 | } |
| 1474 | |
| 1475 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); |
| 1476 | |
| 1477 | /* Device wide debugfs entries */ |
| 1478 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); |
| 1479 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); |
| 1480 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); |
| 1481 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); |
| 1482 | MVM_DEBUGFS_READ_FILE_OPS(nic_temp); |
| 1483 | MVM_DEBUGFS_READ_FILE_OPS(stations); |
| 1484 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
| 1485 | MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); |
| 1486 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); |
| 1487 | MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); |
| 1488 | MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); |
| 1489 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); |
| 1490 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); |
| 1491 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); |
| 1492 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); |
| 1493 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); |
| 1494 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); |
| 1495 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); |
| 1496 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8); |
| 1497 | |
| 1498 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 1499 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); |
| 1500 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); |
| 1501 | #endif |
| 1502 | |
| 1503 | #ifdef CONFIG_PM_SLEEP |
| 1504 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); |
| 1505 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(netdetect, 384); |
| 1506 | #endif |
| 1507 | |
| 1508 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) |
| 1509 | { |
| 1510 | struct dentry *bcast_dir __maybe_unused; |
| 1511 | char buf[100]; |
| 1512 | |
| 1513 | spin_lock_init(&mvm->drv_stats_lock); |
| 1514 | |
| 1515 | mvm->debugfs_dir = dbgfs_dir; |
| 1516 | |
| 1517 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); |
| 1518 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); |
| 1519 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); |
| 1520 | MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, |
| 1521 | S_IWUSR | S_IRUSR); |
| 1522 | MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR); |
| 1523 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); |
| 1524 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
| 1525 | MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); |
| 1526 | MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, |
| 1527 | S_IRUSR | S_IWUSR); |
| 1528 | MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); |
| 1529 | MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR); |
| 1530 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
| 1531 | MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); |
| 1532 | MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); |
| 1533 | MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); |
| 1534 | MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, |
| 1535 | S_IWUSR | S_IRUSR); |
| 1536 | MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); |
| 1537 | MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
| 1538 | MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
| 1539 | MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); |
| 1540 | if (!debugfs_create_bool("enable_scan_iteration_notif", |
| 1541 | S_IRUSR | S_IWUSR, |
| 1542 | mvm->debugfs_dir, |
| 1543 | &mvm->scan_iter_notif_enabled)) |
| 1544 | goto err; |
| 1545 | |
| 1546 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| 1547 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { |
| 1548 | bcast_dir = debugfs_create_dir("bcast_filtering", |
| 1549 | mvm->debugfs_dir); |
| 1550 | if (!bcast_dir) |
| 1551 | goto err; |
| 1552 | |
| 1553 | if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR, |
| 1554 | bcast_dir, |
| 1555 | &mvm->dbgfs_bcast_filtering.override)) |
| 1556 | goto err; |
| 1557 | |
| 1558 | MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, |
| 1559 | bcast_dir, S_IWUSR | S_IRUSR); |
| 1560 | MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, |
| 1561 | bcast_dir, S_IWUSR | S_IRUSR); |
| 1562 | } |
| 1563 | #endif |
| 1564 | |
| 1565 | #ifdef CONFIG_PM_SLEEP |
| 1566 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
| 1567 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
| 1568 | if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, |
| 1569 | mvm->debugfs_dir, &mvm->d3_wake_sysassert)) |
| 1570 | goto err; |
| 1571 | if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, |
| 1572 | mvm->debugfs_dir, &mvm->last_netdetect_scans)) |
| 1573 | goto err; |
| 1574 | MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
| 1575 | #endif |
| 1576 | |
| 1577 | if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR, |
| 1578 | mvm->debugfs_dir, |
| 1579 | &mvm->low_latency_agg_frame_limit)) |
| 1580 | goto err; |
| 1581 | if (!debugfs_create_u8("ps_disabled", S_IRUSR, |
| 1582 | mvm->debugfs_dir, &mvm->ps_disabled)) |
| 1583 | goto err; |
| 1584 | if (!debugfs_create_blob("nvm_hw", S_IRUSR, |
| 1585 | mvm->debugfs_dir, &mvm->nvm_hw_blob)) |
| 1586 | goto err; |
| 1587 | if (!debugfs_create_blob("nvm_sw", S_IRUSR, |
| 1588 | mvm->debugfs_dir, &mvm->nvm_sw_blob)) |
| 1589 | goto err; |
| 1590 | if (!debugfs_create_blob("nvm_calib", S_IRUSR, |
| 1591 | mvm->debugfs_dir, &mvm->nvm_calib_blob)) |
| 1592 | goto err; |
| 1593 | if (!debugfs_create_blob("nvm_prod", S_IRUSR, |
| 1594 | mvm->debugfs_dir, &mvm->nvm_prod_blob)) |
| 1595 | goto err; |
| 1596 | |
| 1597 | /* |
| 1598 | * Create a symlink with mac80211. It will be removed when mac80211 |
| 1599 | * exists (before the opmode exists which removes the target.) |
| 1600 | */ |
| 1601 | snprintf(buf, 100, "../../%s/%s", |
| 1602 | dbgfs_dir->d_parent->d_parent->d_name.name, |
| 1603 | dbgfs_dir->d_parent->d_name.name); |
| 1604 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) |
| 1605 | goto err; |
| 1606 | |
| 1607 | return 0; |
| 1608 | err: |
| 1609 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); |
| 1610 | return -ENOMEM; |
| 1611 | } |