Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * GPL LICENSE SUMMARY |
| 4 | * |
| 5 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of version 2 of the GNU General Public License as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 19 | * USA |
| 20 | * |
| 21 | * The full GNU General Public License is included in this distribution |
| 22 | * in the file called LICENSE.GPL. |
| 23 | * |
| 24 | * Contact Information: |
| 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 27 | *****************************************************************************/ |
| 28 | #include <linux/ieee80211.h> |
Paul Gortmaker | ee40fa0 | 2011-05-27 16:14:23 -0400 | [diff] [blame] | 29 | #include <linux/export.h> |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 30 | #include <net/mac80211.h> |
| 31 | |
| 32 | |
| 33 | #include "iwl-dev.h" |
| 34 | #include "iwl-debug.h" |
| 35 | #include "iwl-core.h" |
| 36 | #include "iwl-io.h" |
| 37 | |
| 38 | /* create and remove of files */ |
| 39 | #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ |
| 40 | if (!debugfs_create_file(#name, mode, parent, priv, \ |
| 41 | &iwl_legacy_dbgfs_##name##_ops)) \ |
| 42 | goto err; \ |
| 43 | } while (0) |
| 44 | |
| 45 | #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
| 46 | struct dentry *__tmp; \ |
| 47 | __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ |
| 48 | parent, ptr); \ |
| 49 | if (IS_ERR(__tmp) || !__tmp) \ |
| 50 | goto err; \ |
| 51 | } while (0) |
| 52 | |
| 53 | #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ |
| 54 | struct dentry *__tmp; \ |
| 55 | __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ |
| 56 | parent, ptr); \ |
| 57 | if (IS_ERR(__tmp) || !__tmp) \ |
| 58 | goto err; \ |
| 59 | } while (0) |
| 60 | |
| 61 | /* file operation */ |
| 62 | #define DEBUGFS_READ_FUNC(name) \ |
| 63 | static ssize_t iwl_legacy_dbgfs_##name##_read(struct file *file, \ |
| 64 | char __user *user_buf, \ |
| 65 | size_t count, loff_t *ppos); |
| 66 | |
| 67 | #define DEBUGFS_WRITE_FUNC(name) \ |
| 68 | static ssize_t iwl_legacy_dbgfs_##name##_write(struct file *file, \ |
| 69 | const char __user *user_buf, \ |
| 70 | size_t count, loff_t *ppos); |
| 71 | |
| 72 | |
| 73 | static int |
| 74 | iwl_legacy_dbgfs_open_file_generic(struct inode *inode, struct file *file) |
| 75 | { |
| 76 | file->private_data = inode->i_private; |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | #define DEBUGFS_READ_FILE_OPS(name) \ |
| 81 | DEBUGFS_READ_FUNC(name); \ |
| 82 | static const struct file_operations iwl_legacy_dbgfs_##name##_ops = { \ |
| 83 | .read = iwl_legacy_dbgfs_##name##_read, \ |
| 84 | .open = iwl_legacy_dbgfs_open_file_generic, \ |
| 85 | .llseek = generic_file_llseek, \ |
| 86 | }; |
| 87 | |
| 88 | #define DEBUGFS_WRITE_FILE_OPS(name) \ |
| 89 | DEBUGFS_WRITE_FUNC(name); \ |
| 90 | static const struct file_operations iwl_legacy_dbgfs_##name##_ops = { \ |
| 91 | .write = iwl_legacy_dbgfs_##name##_write, \ |
| 92 | .open = iwl_legacy_dbgfs_open_file_generic, \ |
| 93 | .llseek = generic_file_llseek, \ |
| 94 | }; |
| 95 | |
| 96 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ |
| 97 | DEBUGFS_READ_FUNC(name); \ |
| 98 | DEBUGFS_WRITE_FUNC(name); \ |
| 99 | static const struct file_operations iwl_legacy_dbgfs_##name##_ops = { \ |
| 100 | .write = iwl_legacy_dbgfs_##name##_write, \ |
| 101 | .read = iwl_legacy_dbgfs_##name##_read, \ |
| 102 | .open = iwl_legacy_dbgfs_open_file_generic, \ |
| 103 | .llseek = generic_file_llseek, \ |
| 104 | }; |
| 105 | |
| 106 | static ssize_t iwl_legacy_dbgfs_tx_statistics_read(struct file *file, |
| 107 | char __user *user_buf, |
| 108 | size_t count, loff_t *ppos) { |
| 109 | |
| 110 | struct iwl_priv *priv = file->private_data; |
| 111 | char *buf; |
| 112 | int pos = 0; |
| 113 | |
| 114 | int cnt; |
| 115 | ssize_t ret; |
| 116 | const size_t bufsz = 100 + |
| 117 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
| 118 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 119 | if (!buf) |
| 120 | return -ENOMEM; |
| 121 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 122 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 123 | pos += scnprintf(buf + pos, bufsz - pos, |
| 124 | "\t%25s\t\t: %u\n", |
| 125 | iwl_legacy_get_mgmt_string(cnt), |
| 126 | priv->tx_stats.mgmt[cnt]); |
| 127 | } |
| 128 | pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); |
| 129 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 130 | pos += scnprintf(buf + pos, bufsz - pos, |
| 131 | "\t%25s\t\t: %u\n", |
| 132 | iwl_legacy_get_ctrl_string(cnt), |
| 133 | priv->tx_stats.ctrl[cnt]); |
| 134 | } |
| 135 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 136 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 137 | priv->tx_stats.data_cnt); |
| 138 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 139 | priv->tx_stats.data_bytes); |
| 140 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 141 | kfree(buf); |
| 142 | return ret; |
| 143 | } |
| 144 | |
| 145 | static ssize_t |
| 146 | iwl_legacy_dbgfs_clear_traffic_statistics_write(struct file *file, |
| 147 | const char __user *user_buf, |
| 148 | size_t count, loff_t *ppos) |
| 149 | { |
| 150 | struct iwl_priv *priv = file->private_data; |
| 151 | u32 clear_flag; |
| 152 | char buf[8]; |
| 153 | int buf_size; |
| 154 | |
| 155 | memset(buf, 0, sizeof(buf)); |
| 156 | buf_size = min(count, sizeof(buf) - 1); |
| 157 | if (copy_from_user(buf, user_buf, buf_size)) |
| 158 | return -EFAULT; |
| 159 | if (sscanf(buf, "%x", &clear_flag) != 1) |
| 160 | return -EFAULT; |
| 161 | iwl_legacy_clear_traffic_stats(priv); |
| 162 | |
| 163 | return count; |
| 164 | } |
| 165 | |
| 166 | static ssize_t iwl_legacy_dbgfs_rx_statistics_read(struct file *file, |
| 167 | char __user *user_buf, |
| 168 | size_t count, loff_t *ppos) { |
| 169 | |
| 170 | struct iwl_priv *priv = file->private_data; |
| 171 | char *buf; |
| 172 | int pos = 0; |
| 173 | int cnt; |
| 174 | ssize_t ret; |
| 175 | const size_t bufsz = 100 + |
| 176 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
| 177 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 178 | if (!buf) |
| 179 | return -ENOMEM; |
| 180 | |
| 181 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 182 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 183 | pos += scnprintf(buf + pos, bufsz - pos, |
| 184 | "\t%25s\t\t: %u\n", |
| 185 | iwl_legacy_get_mgmt_string(cnt), |
| 186 | priv->rx_stats.mgmt[cnt]); |
| 187 | } |
| 188 | pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); |
| 189 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 190 | pos += scnprintf(buf + pos, bufsz - pos, |
| 191 | "\t%25s\t\t: %u\n", |
| 192 | iwl_legacy_get_ctrl_string(cnt), |
| 193 | priv->rx_stats.ctrl[cnt]); |
| 194 | } |
| 195 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 196 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 197 | priv->rx_stats.data_cnt); |
| 198 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 199 | priv->rx_stats.data_bytes); |
| 200 | |
| 201 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 202 | kfree(buf); |
| 203 | return ret; |
| 204 | } |
| 205 | |
| 206 | #define BYTE1_MASK 0x000000ff; |
| 207 | #define BYTE2_MASK 0x0000ffff; |
| 208 | #define BYTE3_MASK 0x00ffffff; |
| 209 | static ssize_t iwl_legacy_dbgfs_sram_read(struct file *file, |
| 210 | char __user *user_buf, |
| 211 | size_t count, loff_t *ppos) |
| 212 | { |
| 213 | u32 val; |
| 214 | char *buf; |
| 215 | ssize_t ret; |
| 216 | int i; |
| 217 | int pos = 0; |
| 218 | struct iwl_priv *priv = file->private_data; |
| 219 | size_t bufsz; |
| 220 | |
| 221 | /* default is to dump the entire data segment */ |
| 222 | if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { |
| 223 | priv->dbgfs_sram_offset = 0x800000; |
| 224 | if (priv->ucode_type == UCODE_INIT) |
| 225 | priv->dbgfs_sram_len = priv->ucode_init_data.len; |
| 226 | else |
| 227 | priv->dbgfs_sram_len = priv->ucode_data.len; |
| 228 | } |
| 229 | bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; |
| 230 | buf = kmalloc(bufsz, GFP_KERNEL); |
| 231 | if (!buf) |
| 232 | return -ENOMEM; |
| 233 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", |
| 234 | priv->dbgfs_sram_len); |
| 235 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", |
| 236 | priv->dbgfs_sram_offset); |
| 237 | for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { |
| 238 | val = iwl_legacy_read_targ_mem(priv, priv->dbgfs_sram_offset + \ |
| 239 | priv->dbgfs_sram_len - i); |
| 240 | if (i < 4) { |
| 241 | switch (i) { |
| 242 | case 1: |
| 243 | val &= BYTE1_MASK; |
| 244 | break; |
| 245 | case 2: |
| 246 | val &= BYTE2_MASK; |
| 247 | break; |
| 248 | case 3: |
| 249 | val &= BYTE3_MASK; |
| 250 | break; |
| 251 | } |
| 252 | } |
| 253 | if (!(i % 16)) |
| 254 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 255 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
| 256 | } |
| 257 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 258 | |
| 259 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 260 | kfree(buf); |
| 261 | return ret; |
| 262 | } |
| 263 | |
| 264 | static ssize_t iwl_legacy_dbgfs_sram_write(struct file *file, |
| 265 | const char __user *user_buf, |
| 266 | size_t count, loff_t *ppos) |
| 267 | { |
| 268 | struct iwl_priv *priv = file->private_data; |
| 269 | char buf[64]; |
| 270 | int buf_size; |
| 271 | u32 offset, len; |
| 272 | |
| 273 | memset(buf, 0, sizeof(buf)); |
| 274 | buf_size = min(count, sizeof(buf) - 1); |
| 275 | if (copy_from_user(buf, user_buf, buf_size)) |
| 276 | return -EFAULT; |
| 277 | |
| 278 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
| 279 | priv->dbgfs_sram_offset = offset; |
| 280 | priv->dbgfs_sram_len = len; |
| 281 | } else { |
| 282 | priv->dbgfs_sram_offset = 0; |
| 283 | priv->dbgfs_sram_len = 0; |
| 284 | } |
| 285 | |
| 286 | return count; |
| 287 | } |
| 288 | |
| 289 | static ssize_t |
| 290 | iwl_legacy_dbgfs_stations_read(struct file *file, char __user *user_buf, |
| 291 | size_t count, loff_t *ppos) |
| 292 | { |
| 293 | struct iwl_priv *priv = file->private_data; |
| 294 | struct iwl_station_entry *station; |
| 295 | int max_sta = priv->hw_params.max_stations; |
| 296 | char *buf; |
| 297 | int i, j, pos = 0; |
| 298 | ssize_t ret; |
| 299 | /* Add 30 for initial string */ |
| 300 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); |
| 301 | |
| 302 | buf = kmalloc(bufsz, GFP_KERNEL); |
| 303 | if (!buf) |
| 304 | return -ENOMEM; |
| 305 | |
| 306 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
| 307 | priv->num_stations); |
| 308 | |
| 309 | for (i = 0; i < max_sta; i++) { |
| 310 | station = &priv->stations[i]; |
| 311 | if (!station->used) |
| 312 | continue; |
| 313 | pos += scnprintf(buf + pos, bufsz - pos, |
| 314 | "station %d - addr: %pM, flags: %#x\n", |
| 315 | i, station->sta.sta.addr, |
| 316 | station->sta.station_flags_msk); |
| 317 | pos += scnprintf(buf + pos, bufsz - pos, |
| 318 | "TID\tseq_num\ttxq_id\tframes\ttfds\t"); |
| 319 | pos += scnprintf(buf + pos, bufsz - pos, |
| 320 | "start_idx\tbitmap\t\t\trate_n_flags\n"); |
| 321 | |
| 322 | for (j = 0; j < MAX_TID_COUNT; j++) { |
| 323 | pos += scnprintf(buf + pos, bufsz - pos, |
| 324 | "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", |
| 325 | j, station->tid[j].seq_number, |
| 326 | station->tid[j].agg.txq_id, |
| 327 | station->tid[j].agg.frame_count, |
| 328 | station->tid[j].tfds_in_queue, |
| 329 | station->tid[j].agg.start_idx, |
| 330 | station->tid[j].agg.bitmap, |
| 331 | station->tid[j].agg.rate_n_flags); |
| 332 | |
| 333 | if (station->tid[j].agg.wait_for_ba) |
| 334 | pos += scnprintf(buf + pos, bufsz - pos, |
| 335 | " - waitforba"); |
| 336 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 337 | } |
| 338 | |
| 339 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 340 | } |
| 341 | |
| 342 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 343 | kfree(buf); |
| 344 | return ret; |
| 345 | } |
| 346 | |
| 347 | static ssize_t iwl_legacy_dbgfs_nvm_read(struct file *file, |
| 348 | char __user *user_buf, |
| 349 | size_t count, |
| 350 | loff_t *ppos) |
| 351 | { |
| 352 | ssize_t ret; |
| 353 | struct iwl_priv *priv = file->private_data; |
| 354 | int pos = 0, ofs = 0, buf_size = 0; |
| 355 | const u8 *ptr; |
| 356 | char *buf; |
| 357 | u16 eeprom_ver; |
| 358 | size_t eeprom_len = priv->cfg->base_params->eeprom_size; |
| 359 | buf_size = 4 * eeprom_len + 256; |
| 360 | |
| 361 | if (eeprom_len % 16) { |
| 362 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
| 363 | return -ENODATA; |
| 364 | } |
| 365 | |
| 366 | ptr = priv->eeprom; |
| 367 | if (!ptr) { |
| 368 | IWL_ERR(priv, "Invalid EEPROM memory\n"); |
| 369 | return -ENOMEM; |
| 370 | } |
| 371 | |
| 372 | /* 4 characters for byte 0xYY */ |
| 373 | buf = kzalloc(buf_size, GFP_KERNEL); |
| 374 | if (!buf) { |
| 375 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 376 | return -ENOMEM; |
| 377 | } |
| 378 | eeprom_ver = iwl_legacy_eeprom_query16(priv, EEPROM_VERSION); |
| 379 | pos += scnprintf(buf + pos, buf_size - pos, "EEPROM " |
| 380 | "version: 0x%x\n", eeprom_ver); |
| 381 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
| 382 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); |
| 383 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, |
| 384 | buf_size - pos, 0); |
| 385 | pos += strlen(buf + pos); |
| 386 | if (buf_size - pos > 0) |
| 387 | buf[pos++] = '\n'; |
| 388 | } |
| 389 | |
| 390 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 391 | kfree(buf); |
| 392 | return ret; |
| 393 | } |
| 394 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 395 | static ssize_t |
| 396 | iwl_legacy_dbgfs_channels_read(struct file *file, char __user *user_buf, |
| 397 | size_t count, loff_t *ppos) |
| 398 | { |
| 399 | struct iwl_priv *priv = file->private_data; |
| 400 | struct ieee80211_channel *channels = NULL; |
| 401 | const struct ieee80211_supported_band *supp_band = NULL; |
| 402 | int pos = 0, i, bufsz = PAGE_SIZE; |
| 403 | char *buf; |
| 404 | ssize_t ret; |
| 405 | |
| 406 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) |
| 407 | return -EAGAIN; |
| 408 | |
| 409 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 410 | if (!buf) { |
| 411 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 412 | return -ENOMEM; |
| 413 | } |
| 414 | |
| 415 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); |
| 416 | if (supp_band) { |
| 417 | channels = supp_band->channels; |
| 418 | |
| 419 | pos += scnprintf(buf + pos, bufsz - pos, |
| 420 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
| 421 | supp_band->n_channels); |
| 422 | |
| 423 | for (i = 0; i < supp_band->n_channels; i++) |
| 424 | pos += scnprintf(buf + pos, bufsz - pos, |
| 425 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 426 | channels[i].hw_value, |
| 427 | channels[i].max_power, |
| 428 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 429 | " (IEEE 802.11h required)" : "", |
| 430 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 431 | || (channels[i].flags & |
| 432 | IEEE80211_CHAN_RADAR)) ? "" : |
| 433 | ", IBSS", |
| 434 | channels[i].flags & |
| 435 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 436 | "passive only" : "active/passive"); |
| 437 | } |
| 438 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
| 439 | if (supp_band) { |
| 440 | channels = supp_band->channels; |
| 441 | |
| 442 | pos += scnprintf(buf + pos, bufsz - pos, |
| 443 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
| 444 | supp_band->n_channels); |
| 445 | |
| 446 | for (i = 0; i < supp_band->n_channels; i++) |
| 447 | pos += scnprintf(buf + pos, bufsz - pos, |
| 448 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 449 | channels[i].hw_value, |
| 450 | channels[i].max_power, |
| 451 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 452 | " (IEEE 802.11h required)" : "", |
| 453 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 454 | || (channels[i].flags & |
| 455 | IEEE80211_CHAN_RADAR)) ? "" : |
| 456 | ", IBSS", |
| 457 | channels[i].flags & |
| 458 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 459 | "passive only" : "active/passive"); |
| 460 | } |
| 461 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 462 | kfree(buf); |
| 463 | return ret; |
| 464 | } |
| 465 | |
| 466 | static ssize_t iwl_legacy_dbgfs_status_read(struct file *file, |
| 467 | char __user *user_buf, |
| 468 | size_t count, loff_t *ppos) { |
| 469 | |
| 470 | struct iwl_priv *priv = file->private_data; |
| 471 | char buf[512]; |
| 472 | int pos = 0; |
| 473 | const size_t bufsz = sizeof(buf); |
| 474 | |
| 475 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", |
| 476 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); |
| 477 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", |
| 478 | test_bit(STATUS_INT_ENABLED, &priv->status)); |
| 479 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", |
| 480 | test_bit(STATUS_RF_KILL_HW, &priv->status)); |
| 481 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", |
| 482 | test_bit(STATUS_CT_KILL, &priv->status)); |
| 483 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
| 484 | test_bit(STATUS_INIT, &priv->status)); |
| 485 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", |
| 486 | test_bit(STATUS_ALIVE, &priv->status)); |
| 487 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", |
| 488 | test_bit(STATUS_READY, &priv->status)); |
| 489 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", |
| 490 | test_bit(STATUS_TEMPERATURE, &priv->status)); |
| 491 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", |
| 492 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); |
| 493 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", |
| 494 | test_bit(STATUS_EXIT_PENDING, &priv->status)); |
| 495 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
| 496 | test_bit(STATUS_STATISTICS, &priv->status)); |
| 497 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", |
| 498 | test_bit(STATUS_SCANNING, &priv->status)); |
| 499 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", |
| 500 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); |
| 501 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", |
| 502 | test_bit(STATUS_SCAN_HW, &priv->status)); |
| 503 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", |
| 504 | test_bit(STATUS_POWER_PMI, &priv->status)); |
| 505 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", |
| 506 | test_bit(STATUS_FW_ERROR, &priv->status)); |
| 507 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 508 | } |
| 509 | |
| 510 | static ssize_t iwl_legacy_dbgfs_interrupt_read(struct file *file, |
| 511 | char __user *user_buf, |
| 512 | size_t count, loff_t *ppos) { |
| 513 | |
| 514 | struct iwl_priv *priv = file->private_data; |
| 515 | int pos = 0; |
| 516 | int cnt = 0; |
| 517 | char *buf; |
| 518 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ |
| 519 | ssize_t ret; |
| 520 | |
| 521 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 522 | if (!buf) { |
| 523 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 524 | return -ENOMEM; |
| 525 | } |
| 526 | |
| 527 | pos += scnprintf(buf + pos, bufsz - pos, |
| 528 | "Interrupt Statistics Report:\n"); |
| 529 | |
| 530 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", |
| 531 | priv->isr_stats.hw); |
| 532 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", |
| 533 | priv->isr_stats.sw); |
| 534 | if (priv->isr_stats.sw || priv->isr_stats.hw) { |
| 535 | pos += scnprintf(buf + pos, bufsz - pos, |
| 536 | "\tLast Restarting Code: 0x%X\n", |
| 537 | priv->isr_stats.err_code); |
| 538 | } |
| 539 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
| 540 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", |
| 541 | priv->isr_stats.sch); |
| 542 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", |
| 543 | priv->isr_stats.alive); |
| 544 | #endif |
| 545 | pos += scnprintf(buf + pos, bufsz - pos, |
| 546 | "HW RF KILL switch toggled:\t %u\n", |
| 547 | priv->isr_stats.rfkill); |
| 548 | |
| 549 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", |
| 550 | priv->isr_stats.ctkill); |
| 551 | |
| 552 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", |
| 553 | priv->isr_stats.wakeup); |
| 554 | |
| 555 | pos += scnprintf(buf + pos, bufsz - pos, |
| 556 | "Rx command responses:\t\t %u\n", |
| 557 | priv->isr_stats.rx); |
| 558 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { |
| 559 | if (priv->isr_stats.rx_handlers[cnt] > 0) |
| 560 | pos += scnprintf(buf + pos, bufsz - pos, |
| 561 | "\tRx handler[%36s]:\t\t %u\n", |
| 562 | iwl_legacy_get_cmd_string(cnt), |
| 563 | priv->isr_stats.rx_handlers[cnt]); |
| 564 | } |
| 565 | |
| 566 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", |
| 567 | priv->isr_stats.tx); |
| 568 | |
| 569 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", |
| 570 | priv->isr_stats.unhandled); |
| 571 | |
| 572 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 573 | kfree(buf); |
| 574 | return ret; |
| 575 | } |
| 576 | |
| 577 | static ssize_t iwl_legacy_dbgfs_interrupt_write(struct file *file, |
| 578 | const char __user *user_buf, |
| 579 | size_t count, loff_t *ppos) |
| 580 | { |
| 581 | struct iwl_priv *priv = file->private_data; |
| 582 | char buf[8]; |
| 583 | int buf_size; |
| 584 | u32 reset_flag; |
| 585 | |
| 586 | memset(buf, 0, sizeof(buf)); |
| 587 | buf_size = min(count, sizeof(buf) - 1); |
| 588 | if (copy_from_user(buf, user_buf, buf_size)) |
| 589 | return -EFAULT; |
| 590 | if (sscanf(buf, "%x", &reset_flag) != 1) |
| 591 | return -EFAULT; |
| 592 | if (reset_flag == 0) |
| 593 | iwl_legacy_clear_isr_stats(priv); |
| 594 | |
| 595 | return count; |
| 596 | } |
| 597 | |
| 598 | static ssize_t |
| 599 | iwl_legacy_dbgfs_qos_read(struct file *file, char __user *user_buf, |
| 600 | size_t count, loff_t *ppos) |
| 601 | { |
| 602 | struct iwl_priv *priv = file->private_data; |
| 603 | struct iwl_rxon_context *ctx; |
| 604 | int pos = 0, i; |
| 605 | char buf[256 * NUM_IWL_RXON_CTX]; |
| 606 | const size_t bufsz = sizeof(buf); |
| 607 | |
| 608 | for_each_context(priv, ctx) { |
| 609 | pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", |
| 610 | ctx->ctxid); |
| 611 | for (i = 0; i < AC_NUM; i++) { |
| 612 | pos += scnprintf(buf + pos, bufsz - pos, |
| 613 | "\tcw_min\tcw_max\taifsn\ttxop\n"); |
| 614 | pos += scnprintf(buf + pos, bufsz - pos, |
| 615 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, |
| 616 | ctx->qos_data.def_qos_parm.ac[i].cw_min, |
| 617 | ctx->qos_data.def_qos_parm.ac[i].cw_max, |
| 618 | ctx->qos_data.def_qos_parm.ac[i].aifsn, |
| 619 | ctx->qos_data.def_qos_parm.ac[i].edca_txop); |
| 620 | } |
| 621 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 622 | } |
| 623 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 624 | } |
| 625 | |
| 626 | static ssize_t iwl_legacy_dbgfs_disable_ht40_write(struct file *file, |
| 627 | const char __user *user_buf, |
| 628 | size_t count, loff_t *ppos) |
| 629 | { |
| 630 | struct iwl_priv *priv = file->private_data; |
| 631 | char buf[8]; |
| 632 | int buf_size; |
| 633 | int ht40; |
| 634 | |
| 635 | memset(buf, 0, sizeof(buf)); |
| 636 | buf_size = min(count, sizeof(buf) - 1); |
| 637 | if (copy_from_user(buf, user_buf, buf_size)) |
| 638 | return -EFAULT; |
| 639 | if (sscanf(buf, "%d", &ht40) != 1) |
| 640 | return -EFAULT; |
| 641 | if (!iwl_legacy_is_any_associated(priv)) |
| 642 | priv->disable_ht40 = ht40 ? true : false; |
| 643 | else { |
| 644 | IWL_ERR(priv, "Sta associated with AP - " |
| 645 | "Change to 40MHz channel support is not allowed\n"); |
| 646 | return -EINVAL; |
| 647 | } |
| 648 | |
| 649 | return count; |
| 650 | } |
| 651 | |
| 652 | static ssize_t iwl_legacy_dbgfs_disable_ht40_read(struct file *file, |
| 653 | char __user *user_buf, |
| 654 | size_t count, loff_t *ppos) |
| 655 | { |
| 656 | struct iwl_priv *priv = file->private_data; |
| 657 | char buf[100]; |
| 658 | int pos = 0; |
| 659 | const size_t bufsz = sizeof(buf); |
| 660 | |
| 661 | pos += scnprintf(buf + pos, bufsz - pos, |
| 662 | "11n 40MHz Mode: %s\n", |
| 663 | priv->disable_ht40 ? "Disabled" : "Enabled"); |
| 664 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 665 | } |
| 666 | |
| 667 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 668 | DEBUGFS_READ_FILE_OPS(nvm); |
| 669 | DEBUGFS_READ_FILE_OPS(stations); |
| 670 | DEBUGFS_READ_FILE_OPS(channels); |
| 671 | DEBUGFS_READ_FILE_OPS(status); |
| 672 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
| 673 | DEBUGFS_READ_FILE_OPS(qos); |
| 674 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); |
| 675 | |
| 676 | static ssize_t iwl_legacy_dbgfs_traffic_log_read(struct file *file, |
| 677 | char __user *user_buf, |
| 678 | size_t count, loff_t *ppos) |
| 679 | { |
| 680 | struct iwl_priv *priv = file->private_data; |
| 681 | int pos = 0, ofs = 0; |
| 682 | int cnt = 0, entry; |
| 683 | struct iwl_tx_queue *txq; |
| 684 | struct iwl_queue *q; |
| 685 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 686 | char *buf; |
| 687 | int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + |
| 688 | (priv->cfg->base_params->num_of_queues * 32 * 8) + 400; |
| 689 | const u8 *ptr; |
| 690 | ssize_t ret; |
| 691 | |
| 692 | if (!priv->txq) { |
| 693 | IWL_ERR(priv, "txq not ready\n"); |
| 694 | return -EAGAIN; |
| 695 | } |
| 696 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 697 | if (!buf) { |
| 698 | IWL_ERR(priv, "Can not allocate buffer\n"); |
| 699 | return -ENOMEM; |
| 700 | } |
| 701 | pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); |
| 702 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { |
| 703 | txq = &priv->txq[cnt]; |
| 704 | q = &txq->q; |
| 705 | pos += scnprintf(buf + pos, bufsz - pos, |
| 706 | "q[%d]: read_ptr: %u, write_ptr: %u\n", |
| 707 | cnt, q->read_ptr, q->write_ptr); |
| 708 | } |
John W. Linville | ef33417 | 2011-02-25 15:51:01 -0500 | [diff] [blame] | 709 | if (priv->tx_traffic && (iwlegacy_debug_level & IWL_DL_TX)) { |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 710 | ptr = priv->tx_traffic; |
| 711 | pos += scnprintf(buf + pos, bufsz - pos, |
| 712 | "Tx Traffic idx: %u\n", priv->tx_traffic_idx); |
| 713 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 714 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 715 | entry++, ofs += 16) { |
| 716 | pos += scnprintf(buf + pos, bufsz - pos, |
| 717 | "0x%.4x ", ofs); |
| 718 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 719 | buf + pos, bufsz - pos, 0); |
| 720 | pos += strlen(buf + pos); |
| 721 | if (bufsz - pos > 0) |
| 722 | buf[pos++] = '\n'; |
| 723 | } |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); |
| 728 | pos += scnprintf(buf + pos, bufsz - pos, |
| 729 | "read: %u, write: %u\n", |
| 730 | rxq->read, rxq->write); |
| 731 | |
John W. Linville | ef33417 | 2011-02-25 15:51:01 -0500 | [diff] [blame] | 732 | if (priv->rx_traffic && (iwlegacy_debug_level & IWL_DL_RX)) { |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 733 | ptr = priv->rx_traffic; |
| 734 | pos += scnprintf(buf + pos, bufsz - pos, |
| 735 | "Rx Traffic idx: %u\n", priv->rx_traffic_idx); |
| 736 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 737 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 738 | entry++, ofs += 16) { |
| 739 | pos += scnprintf(buf + pos, bufsz - pos, |
| 740 | "0x%.4x ", ofs); |
| 741 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 742 | buf + pos, bufsz - pos, 0); |
| 743 | pos += strlen(buf + pos); |
| 744 | if (bufsz - pos > 0) |
| 745 | buf[pos++] = '\n'; |
| 746 | } |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 751 | kfree(buf); |
| 752 | return ret; |
| 753 | } |
| 754 | |
| 755 | static ssize_t iwl_legacy_dbgfs_traffic_log_write(struct file *file, |
| 756 | const char __user *user_buf, |
| 757 | size_t count, loff_t *ppos) |
| 758 | { |
| 759 | struct iwl_priv *priv = file->private_data; |
| 760 | char buf[8]; |
| 761 | int buf_size; |
| 762 | int traffic_log; |
| 763 | |
| 764 | memset(buf, 0, sizeof(buf)); |
| 765 | buf_size = min(count, sizeof(buf) - 1); |
| 766 | if (copy_from_user(buf, user_buf, buf_size)) |
| 767 | return -EFAULT; |
| 768 | if (sscanf(buf, "%d", &traffic_log) != 1) |
| 769 | return -EFAULT; |
| 770 | if (traffic_log == 0) |
| 771 | iwl_legacy_reset_traffic_log(priv); |
| 772 | |
| 773 | return count; |
| 774 | } |
| 775 | |
| 776 | static ssize_t iwl_legacy_dbgfs_tx_queue_read(struct file *file, |
| 777 | char __user *user_buf, |
| 778 | size_t count, loff_t *ppos) { |
| 779 | |
| 780 | struct iwl_priv *priv = file->private_data; |
| 781 | struct iwl_tx_queue *txq; |
| 782 | struct iwl_queue *q; |
| 783 | char *buf; |
| 784 | int pos = 0; |
| 785 | int cnt; |
| 786 | int ret; |
| 787 | const size_t bufsz = sizeof(char) * 64 * |
| 788 | priv->cfg->base_params->num_of_queues; |
| 789 | |
| 790 | if (!priv->txq) { |
| 791 | IWL_ERR(priv, "txq not ready\n"); |
| 792 | return -EAGAIN; |
| 793 | } |
| 794 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 795 | if (!buf) |
| 796 | return -ENOMEM; |
| 797 | |
| 798 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { |
| 799 | txq = &priv->txq[cnt]; |
| 800 | q = &txq->q; |
| 801 | pos += scnprintf(buf + pos, bufsz - pos, |
| 802 | "hwq %.2d: read=%u write=%u stop=%d" |
| 803 | " swq_id=%#.2x (ac %d/hwq %d)\n", |
| 804 | cnt, q->read_ptr, q->write_ptr, |
| 805 | !!test_bit(cnt, priv->queue_stopped), |
| 806 | txq->swq_id, txq->swq_id & 3, |
| 807 | (txq->swq_id >> 2) & 0x1f); |
| 808 | if (cnt >= 4) |
| 809 | continue; |
| 810 | /* for the ACs, display the stop count too */ |
| 811 | pos += scnprintf(buf + pos, bufsz - pos, |
| 812 | " stop-count: %d\n", |
| 813 | atomic_read(&priv->queue_stop_count[cnt])); |
| 814 | } |
| 815 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 816 | kfree(buf); |
| 817 | return ret; |
| 818 | } |
| 819 | |
| 820 | static ssize_t iwl_legacy_dbgfs_rx_queue_read(struct file *file, |
| 821 | char __user *user_buf, |
| 822 | size_t count, loff_t *ppos) { |
| 823 | |
| 824 | struct iwl_priv *priv = file->private_data; |
| 825 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 826 | char buf[256]; |
| 827 | int pos = 0; |
| 828 | const size_t bufsz = sizeof(buf); |
| 829 | |
| 830 | pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", |
| 831 | rxq->read); |
| 832 | pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", |
| 833 | rxq->write); |
| 834 | pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", |
| 835 | rxq->free_count); |
| 836 | if (rxq->rb_stts) { |
| 837 | pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", |
| 838 | le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); |
| 839 | } else { |
| 840 | pos += scnprintf(buf + pos, bufsz - pos, |
| 841 | "closed_rb_num: Not Allocated\n"); |
| 842 | } |
| 843 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 844 | } |
| 845 | |
| 846 | static ssize_t iwl_legacy_dbgfs_ucode_rx_stats_read(struct file *file, |
| 847 | char __user *user_buf, |
| 848 | size_t count, loff_t *ppos) |
| 849 | { |
| 850 | struct iwl_priv *priv = file->private_data; |
| 851 | return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file, |
| 852 | user_buf, count, ppos); |
| 853 | } |
| 854 | |
| 855 | static ssize_t iwl_legacy_dbgfs_ucode_tx_stats_read(struct file *file, |
| 856 | char __user *user_buf, |
| 857 | size_t count, loff_t *ppos) |
| 858 | { |
| 859 | struct iwl_priv *priv = file->private_data; |
| 860 | return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file, |
| 861 | user_buf, count, ppos); |
| 862 | } |
| 863 | |
| 864 | static ssize_t iwl_legacy_dbgfs_ucode_general_stats_read(struct file *file, |
| 865 | char __user *user_buf, |
| 866 | size_t count, loff_t *ppos) |
| 867 | { |
| 868 | struct iwl_priv *priv = file->private_data; |
| 869 | return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file, |
| 870 | user_buf, count, ppos); |
| 871 | } |
| 872 | |
| 873 | static ssize_t iwl_legacy_dbgfs_sensitivity_read(struct file *file, |
| 874 | char __user *user_buf, |
| 875 | size_t count, loff_t *ppos) { |
| 876 | |
| 877 | struct iwl_priv *priv = file->private_data; |
| 878 | int pos = 0; |
| 879 | int cnt = 0; |
| 880 | char *buf; |
| 881 | int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; |
| 882 | ssize_t ret; |
| 883 | struct iwl_sensitivity_data *data; |
| 884 | |
| 885 | data = &priv->sensitivity_data; |
| 886 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 887 | if (!buf) { |
| 888 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 889 | return -ENOMEM; |
| 890 | } |
| 891 | |
| 892 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", |
| 893 | data->auto_corr_ofdm); |
| 894 | pos += scnprintf(buf + pos, bufsz - pos, |
| 895 | "auto_corr_ofdm_mrc:\t\t %u\n", |
| 896 | data->auto_corr_ofdm_mrc); |
| 897 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", |
| 898 | data->auto_corr_ofdm_x1); |
| 899 | pos += scnprintf(buf + pos, bufsz - pos, |
| 900 | "auto_corr_ofdm_mrc_x1:\t\t %u\n", |
| 901 | data->auto_corr_ofdm_mrc_x1); |
| 902 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", |
| 903 | data->auto_corr_cck); |
| 904 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", |
| 905 | data->auto_corr_cck_mrc); |
| 906 | pos += scnprintf(buf + pos, bufsz - pos, |
| 907 | "last_bad_plcp_cnt_ofdm:\t\t %u\n", |
| 908 | data->last_bad_plcp_cnt_ofdm); |
| 909 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", |
| 910 | data->last_fa_cnt_ofdm); |
| 911 | pos += scnprintf(buf + pos, bufsz - pos, |
| 912 | "last_bad_plcp_cnt_cck:\t\t %u\n", |
| 913 | data->last_bad_plcp_cnt_cck); |
| 914 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", |
| 915 | data->last_fa_cnt_cck); |
| 916 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", |
| 917 | data->nrg_curr_state); |
| 918 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", |
| 919 | data->nrg_prev_state); |
| 920 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); |
| 921 | for (cnt = 0; cnt < 10; cnt++) { |
| 922 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 923 | data->nrg_value[cnt]); |
| 924 | } |
| 925 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 926 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); |
| 927 | for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { |
| 928 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 929 | data->nrg_silence_rssi[cnt]); |
| 930 | } |
| 931 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 932 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", |
| 933 | data->nrg_silence_ref); |
| 934 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", |
| 935 | data->nrg_energy_idx); |
| 936 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", |
| 937 | data->nrg_silence_idx); |
| 938 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", |
| 939 | data->nrg_th_cck); |
| 940 | pos += scnprintf(buf + pos, bufsz - pos, |
| 941 | "nrg_auto_corr_silence_diff:\t %u\n", |
| 942 | data->nrg_auto_corr_silence_diff); |
| 943 | pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", |
| 944 | data->num_in_cck_no_fa); |
| 945 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", |
| 946 | data->nrg_th_ofdm); |
| 947 | |
| 948 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 949 | kfree(buf); |
| 950 | return ret; |
| 951 | } |
| 952 | |
| 953 | |
| 954 | static ssize_t iwl_legacy_dbgfs_chain_noise_read(struct file *file, |
| 955 | char __user *user_buf, |
| 956 | size_t count, loff_t *ppos) { |
| 957 | |
| 958 | struct iwl_priv *priv = file->private_data; |
| 959 | int pos = 0; |
| 960 | int cnt = 0; |
| 961 | char *buf; |
| 962 | int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; |
| 963 | ssize_t ret; |
| 964 | struct iwl_chain_noise_data *data; |
| 965 | |
| 966 | data = &priv->chain_noise_data; |
| 967 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 968 | if (!buf) { |
| 969 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 970 | return -ENOMEM; |
| 971 | } |
| 972 | |
| 973 | pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", |
| 974 | data->active_chains); |
| 975 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", |
| 976 | data->chain_noise_a); |
| 977 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", |
| 978 | data->chain_noise_b); |
| 979 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", |
| 980 | data->chain_noise_c); |
| 981 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", |
| 982 | data->chain_signal_a); |
| 983 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", |
| 984 | data->chain_signal_b); |
| 985 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", |
| 986 | data->chain_signal_c); |
| 987 | pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", |
| 988 | data->beacon_count); |
| 989 | |
| 990 | pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); |
| 991 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { |
| 992 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 993 | data->disconn_array[cnt]); |
| 994 | } |
| 995 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 996 | pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); |
| 997 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { |
| 998 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 999 | data->delta_gain_code[cnt]); |
| 1000 | } |
| 1001 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 1002 | pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", |
| 1003 | data->radio_write); |
| 1004 | pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", |
| 1005 | data->state); |
| 1006 | |
| 1007 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1008 | kfree(buf); |
| 1009 | return ret; |
| 1010 | } |
| 1011 | |
| 1012 | static ssize_t iwl_legacy_dbgfs_power_save_status_read(struct file *file, |
| 1013 | char __user *user_buf, |
| 1014 | size_t count, loff_t *ppos) |
| 1015 | { |
| 1016 | struct iwl_priv *priv = file->private_data; |
| 1017 | char buf[60]; |
| 1018 | int pos = 0; |
| 1019 | const size_t bufsz = sizeof(buf); |
| 1020 | u32 pwrsave_status; |
| 1021 | |
| 1022 | pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & |
| 1023 | CSR_GP_REG_POWER_SAVE_STATUS_MSK; |
| 1024 | |
| 1025 | pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); |
| 1026 | pos += scnprintf(buf + pos, bufsz - pos, "%s\n", |
| 1027 | (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : |
| 1028 | (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : |
| 1029 | (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : |
| 1030 | "error"); |
| 1031 | |
| 1032 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1033 | } |
| 1034 | |
| 1035 | static ssize_t iwl_legacy_dbgfs_clear_ucode_statistics_write(struct file *file, |
| 1036 | const char __user *user_buf, |
| 1037 | size_t count, loff_t *ppos) |
| 1038 | { |
| 1039 | struct iwl_priv *priv = file->private_data; |
| 1040 | char buf[8]; |
| 1041 | int buf_size; |
| 1042 | int clear; |
| 1043 | |
| 1044 | memset(buf, 0, sizeof(buf)); |
| 1045 | buf_size = min(count, sizeof(buf) - 1); |
| 1046 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1047 | return -EFAULT; |
| 1048 | if (sscanf(buf, "%d", &clear) != 1) |
| 1049 | return -EFAULT; |
| 1050 | |
| 1051 | /* make request to uCode to retrieve statistics information */ |
| 1052 | mutex_lock(&priv->mutex); |
| 1053 | iwl_legacy_send_statistics_request(priv, CMD_SYNC, true); |
| 1054 | mutex_unlock(&priv->mutex); |
| 1055 | |
| 1056 | return count; |
| 1057 | } |
| 1058 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1059 | static ssize_t iwl_legacy_dbgfs_rxon_flags_read(struct file *file, |
| 1060 | char __user *user_buf, |
| 1061 | size_t count, loff_t *ppos) { |
| 1062 | |
| 1063 | struct iwl_priv *priv = file->private_data; |
| 1064 | int len = 0; |
| 1065 | char buf[20]; |
| 1066 | |
| 1067 | len = sprintf(buf, "0x%04X\n", |
| 1068 | le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); |
| 1069 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 1070 | } |
| 1071 | |
| 1072 | static ssize_t iwl_legacy_dbgfs_rxon_filter_flags_read(struct file *file, |
| 1073 | char __user *user_buf, |
| 1074 | size_t count, loff_t *ppos) { |
| 1075 | |
| 1076 | struct iwl_priv *priv = file->private_data; |
| 1077 | int len = 0; |
| 1078 | char buf[20]; |
| 1079 | |
| 1080 | len = sprintf(buf, "0x%04X\n", |
| 1081 | le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); |
| 1082 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 1083 | } |
| 1084 | |
| 1085 | static ssize_t iwl_legacy_dbgfs_fh_reg_read(struct file *file, |
| 1086 | char __user *user_buf, |
| 1087 | size_t count, loff_t *ppos) |
| 1088 | { |
| 1089 | struct iwl_priv *priv = file->private_data; |
| 1090 | char *buf; |
| 1091 | int pos = 0; |
| 1092 | ssize_t ret = -EFAULT; |
| 1093 | |
| 1094 | if (priv->cfg->ops->lib->dump_fh) { |
| 1095 | ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); |
| 1096 | if (buf) { |
| 1097 | ret = simple_read_from_buffer(user_buf, |
| 1098 | count, ppos, buf, pos); |
| 1099 | kfree(buf); |
| 1100 | } |
| 1101 | } |
| 1102 | |
| 1103 | return ret; |
| 1104 | } |
| 1105 | |
| 1106 | static ssize_t iwl_legacy_dbgfs_missed_beacon_read(struct file *file, |
| 1107 | char __user *user_buf, |
| 1108 | size_t count, loff_t *ppos) { |
| 1109 | |
| 1110 | struct iwl_priv *priv = file->private_data; |
| 1111 | int pos = 0; |
| 1112 | char buf[12]; |
| 1113 | const size_t bufsz = sizeof(buf); |
| 1114 | |
| 1115 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", |
| 1116 | priv->missed_beacon_threshold); |
| 1117 | |
| 1118 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1119 | } |
| 1120 | |
| 1121 | static ssize_t iwl_legacy_dbgfs_missed_beacon_write(struct file *file, |
| 1122 | const char __user *user_buf, |
| 1123 | size_t count, loff_t *ppos) |
| 1124 | { |
| 1125 | struct iwl_priv *priv = file->private_data; |
| 1126 | char buf[8]; |
| 1127 | int buf_size; |
| 1128 | int missed; |
| 1129 | |
| 1130 | memset(buf, 0, sizeof(buf)); |
| 1131 | buf_size = min(count, sizeof(buf) - 1); |
| 1132 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1133 | return -EFAULT; |
| 1134 | if (sscanf(buf, "%d", &missed) != 1) |
| 1135 | return -EINVAL; |
| 1136 | |
| 1137 | if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || |
| 1138 | missed > IWL_MISSED_BEACON_THRESHOLD_MAX) |
| 1139 | priv->missed_beacon_threshold = |
| 1140 | IWL_MISSED_BEACON_THRESHOLD_DEF; |
| 1141 | else |
| 1142 | priv->missed_beacon_threshold = missed; |
| 1143 | |
| 1144 | return count; |
| 1145 | } |
| 1146 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1147 | static ssize_t iwl_legacy_dbgfs_force_reset_read(struct file *file, |
| 1148 | char __user *user_buf, |
| 1149 | size_t count, loff_t *ppos) { |
| 1150 | |
| 1151 | struct iwl_priv *priv = file->private_data; |
Stanislaw Gruszka | dd6d2a8 | 2011-06-08 15:28:26 +0200 | [diff] [blame] | 1152 | int pos = 0; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1153 | char buf[300]; |
| 1154 | const size_t bufsz = sizeof(buf); |
| 1155 | struct iwl_force_reset *force_reset; |
| 1156 | |
Stanislaw Gruszka | dd6d2a8 | 2011-06-08 15:28:26 +0200 | [diff] [blame] | 1157 | force_reset = &priv->force_reset; |
| 1158 | |
| 1159 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1160 | "\tnumber of reset request: %d\n", |
| 1161 | force_reset->reset_request_count); |
| 1162 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1163 | "\tnumber of reset request success: %d\n", |
| 1164 | force_reset->reset_success_count); |
| 1165 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1166 | "\tnumber of reset request reject: %d\n", |
| 1167 | force_reset->reset_reject_count); |
| 1168 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1169 | "\treset duration: %lu\n", |
| 1170 | force_reset->reset_duration); |
| 1171 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1172 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1173 | } |
| 1174 | |
| 1175 | static ssize_t iwl_legacy_dbgfs_force_reset_write(struct file *file, |
| 1176 | const char __user *user_buf, |
| 1177 | size_t count, loff_t *ppos) { |
| 1178 | |
Stanislaw Gruszka | dd6d2a8 | 2011-06-08 15:28:26 +0200 | [diff] [blame] | 1179 | int ret; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1180 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1181 | |
Stanislaw Gruszka | dd6d2a8 | 2011-06-08 15:28:26 +0200 | [diff] [blame] | 1182 | ret = iwl_legacy_force_reset(priv, true); |
| 1183 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1184 | return ret ? ret : count; |
| 1185 | } |
| 1186 | |
| 1187 | static ssize_t iwl_legacy_dbgfs_wd_timeout_write(struct file *file, |
| 1188 | const char __user *user_buf, |
| 1189 | size_t count, loff_t *ppos) { |
| 1190 | |
| 1191 | struct iwl_priv *priv = file->private_data; |
| 1192 | char buf[8]; |
| 1193 | int buf_size; |
| 1194 | int timeout; |
| 1195 | |
| 1196 | memset(buf, 0, sizeof(buf)); |
| 1197 | buf_size = min(count, sizeof(buf) - 1); |
| 1198 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1199 | return -EFAULT; |
| 1200 | if (sscanf(buf, "%d", &timeout) != 1) |
| 1201 | return -EINVAL; |
| 1202 | if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) |
| 1203 | timeout = IWL_DEF_WD_TIMEOUT; |
| 1204 | |
| 1205 | priv->cfg->base_params->wd_timeout = timeout; |
| 1206 | iwl_legacy_setup_watchdog(priv); |
| 1207 | return count; |
| 1208 | } |
| 1209 | |
| 1210 | DEBUGFS_READ_FILE_OPS(rx_statistics); |
| 1211 | DEBUGFS_READ_FILE_OPS(tx_statistics); |
| 1212 | DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); |
| 1213 | DEBUGFS_READ_FILE_OPS(rx_queue); |
| 1214 | DEBUGFS_READ_FILE_OPS(tx_queue); |
| 1215 | DEBUGFS_READ_FILE_OPS(ucode_rx_stats); |
| 1216 | DEBUGFS_READ_FILE_OPS(ucode_tx_stats); |
| 1217 | DEBUGFS_READ_FILE_OPS(ucode_general_stats); |
| 1218 | DEBUGFS_READ_FILE_OPS(sensitivity); |
| 1219 | DEBUGFS_READ_FILE_OPS(chain_noise); |
| 1220 | DEBUGFS_READ_FILE_OPS(power_save_status); |
| 1221 | DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); |
| 1222 | DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1223 | DEBUGFS_READ_FILE_OPS(fh_reg); |
| 1224 | DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1225 | DEBUGFS_READ_WRITE_FILE_OPS(force_reset); |
| 1226 | DEBUGFS_READ_FILE_OPS(rxon_flags); |
| 1227 | DEBUGFS_READ_FILE_OPS(rxon_filter_flags); |
| 1228 | DEBUGFS_WRITE_FILE_OPS(wd_timeout); |
| 1229 | |
| 1230 | /* |
| 1231 | * Create the debugfs files and directories |
| 1232 | * |
| 1233 | */ |
| 1234 | int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) |
| 1235 | { |
| 1236 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
| 1237 | struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; |
| 1238 | |
| 1239 | dir_drv = debugfs_create_dir(name, phyd); |
| 1240 | if (!dir_drv) |
| 1241 | return -ENOMEM; |
| 1242 | |
| 1243 | priv->debugfs_dir = dir_drv; |
| 1244 | |
| 1245 | dir_data = debugfs_create_dir("data", dir_drv); |
| 1246 | if (!dir_data) |
| 1247 | goto err; |
| 1248 | dir_rf = debugfs_create_dir("rf", dir_drv); |
| 1249 | if (!dir_rf) |
| 1250 | goto err; |
| 1251 | dir_debug = debugfs_create_dir("debug", dir_drv); |
| 1252 | if (!dir_debug) |
| 1253 | goto err; |
| 1254 | |
| 1255 | DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); |
| 1256 | DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1257 | DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); |
| 1258 | DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); |
| 1259 | DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); |
| 1260 | DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); |
| 1261 | DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); |
| 1262 | DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); |
| 1263 | DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); |
| 1264 | DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); |
| 1265 | DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); |
| 1266 | DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); |
| 1267 | DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); |
| 1268 | DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); |
| 1269 | DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); |
| 1270 | DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); |
| 1271 | DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); |
| 1272 | DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1273 | DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); |
| 1274 | DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); |
| 1275 | DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); |
| 1276 | DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); |
| 1277 | |
| 1278 | if (priv->cfg->base_params->sensitivity_calib_by_driver) |
| 1279 | DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); |
| 1280 | if (priv->cfg->base_params->chain_noise_calib_by_driver) |
| 1281 | DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1282 | DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); |
| 1283 | DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); |
| 1284 | DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); |
| 1285 | if (priv->cfg->base_params->sensitivity_calib_by_driver) |
| 1286 | DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, |
| 1287 | &priv->disable_sens_cal); |
| 1288 | if (priv->cfg->base_params->chain_noise_calib_by_driver) |
| 1289 | DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, |
| 1290 | &priv->disable_chain_noise_cal); |
| 1291 | DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, |
| 1292 | &priv->disable_tx_power_cal); |
| 1293 | return 0; |
| 1294 | |
| 1295 | err: |
| 1296 | IWL_ERR(priv, "Can't create the debugfs directory\n"); |
| 1297 | iwl_legacy_dbgfs_unregister(priv); |
| 1298 | return -ENOMEM; |
| 1299 | } |
| 1300 | EXPORT_SYMBOL(iwl_legacy_dbgfs_register); |
| 1301 | |
| 1302 | /** |
| 1303 | * Remove the debugfs files and directories |
| 1304 | * |
| 1305 | */ |
| 1306 | void iwl_legacy_dbgfs_unregister(struct iwl_priv *priv) |
| 1307 | { |
| 1308 | if (!priv->debugfs_dir) |
| 1309 | return; |
| 1310 | |
| 1311 | debugfs_remove_recursive(priv->debugfs_dir); |
| 1312 | priv->debugfs_dir = NULL; |
| 1313 | } |
| 1314 | EXPORT_SYMBOL(iwl_legacy_dbgfs_unregister); |