Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * GPL LICENSE SUMMARY |
| 4 | * |
Reinette Chatre | 01f8162 | 2009-01-08 10:20:02 -0800 | [diff] [blame] | 5 | * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved. |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 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: |
Winkler, Tomas | 759ef89 | 2008-12-09 11:28:58 -0800 | [diff] [blame] | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 27 | *****************************************************************************/ |
| 28 | |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/module.h> |
| 31 | #include <linux/debugfs.h> |
| 32 | |
| 33 | #include <linux/ieee80211.h> |
| 34 | #include <net/mac80211.h> |
| 35 | |
| 36 | |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 37 | #include "iwl-dev.h" |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 38 | #include "iwl-debug.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 39 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 40 | #include "iwl-io.h" |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 41 | |
| 42 | |
| 43 | /* create and remove of files */ |
| 44 | #define DEBUGFS_ADD_DIR(name, parent) do { \ |
| 45 | dbgfs->dir_##name = debugfs_create_dir(#name, parent); \ |
| 46 | if (!(dbgfs->dir_##name)) \ |
| 47 | goto err; \ |
| 48 | } while (0) |
| 49 | |
| 50 | #define DEBUGFS_ADD_FILE(name, parent) do { \ |
| 51 | dbgfs->dbgfs_##parent##_files.file_##name = \ |
Reinette Chatre | fcf89d0 | 2009-07-09 10:33:38 -0700 | [diff] [blame] | 52 | debugfs_create_file(#name, S_IWUSR | S_IRUSR, \ |
| 53 | dbgfs->dir_##parent, priv, \ |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 54 | &iwl_dbgfs_##name##_ops); \ |
| 55 | if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \ |
| 56 | goto err; \ |
| 57 | } while (0) |
| 58 | |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 59 | #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
| 60 | dbgfs->dbgfs_##parent##_files.file_##name = \ |
Reinette Chatre | fcf89d0 | 2009-07-09 10:33:38 -0700 | [diff] [blame] | 61 | debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ |
| 62 | dbgfs->dir_##parent, ptr); \ |
Zhaolei | 9b24001 | 2008-10-22 17:06:12 +0800 | [diff] [blame] | 63 | if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ |
| 64 | || !dbgfs->dbgfs_##parent##_files.file_##name) \ |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 65 | goto err; \ |
| 66 | } while (0) |
| 67 | |
Winkler, Tomas | 2ddfa12 | 2008-12-22 11:31:20 +0800 | [diff] [blame] | 68 | #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ |
| 69 | dbgfs->dbgfs_##parent##_files.file_##name = \ |
Reinette Chatre | fcf89d0 | 2009-07-09 10:33:38 -0700 | [diff] [blame] | 70 | debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \ |
Winkler, Tomas | 2ddfa12 | 2008-12-22 11:31:20 +0800 | [diff] [blame] | 71 | if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ |
| 72 | || !dbgfs->dbgfs_##parent##_files.file_##name) \ |
| 73 | goto err; \ |
| 74 | } while (0) |
| 75 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 76 | #define DEBUGFS_REMOVE(name) do { \ |
| 77 | debugfs_remove(name); \ |
| 78 | name = NULL; \ |
| 79 | } while (0); |
| 80 | |
| 81 | /* file operation */ |
| 82 | #define DEBUGFS_READ_FUNC(name) \ |
| 83 | static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ |
| 84 | char __user *user_buf, \ |
| 85 | size_t count, loff_t *ppos); |
| 86 | |
| 87 | #define DEBUGFS_WRITE_FUNC(name) \ |
| 88 | static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ |
| 89 | const char __user *user_buf, \ |
| 90 | size_t count, loff_t *ppos); |
| 91 | |
| 92 | |
| 93 | static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) |
| 94 | { |
| 95 | file->private_data = inode->i_private; |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | #define DEBUGFS_READ_FILE_OPS(name) \ |
| 100 | DEBUGFS_READ_FUNC(name); \ |
| 101 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 102 | .read = iwl_dbgfs_##name##_read, \ |
| 103 | .open = iwl_dbgfs_open_file_generic, \ |
| 104 | }; |
| 105 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 106 | #define DEBUGFS_WRITE_FILE_OPS(name) \ |
| 107 | DEBUGFS_WRITE_FUNC(name); \ |
| 108 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 109 | .write = iwl_dbgfs_##name##_write, \ |
| 110 | .open = iwl_dbgfs_open_file_generic, \ |
| 111 | }; |
| 112 | |
| 113 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 114 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ |
| 115 | DEBUGFS_READ_FUNC(name); \ |
| 116 | DEBUGFS_WRITE_FUNC(name); \ |
| 117 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 118 | .write = iwl_dbgfs_##name##_write, \ |
| 119 | .read = iwl_dbgfs_##name##_read, \ |
| 120 | .open = iwl_dbgfs_open_file_generic, \ |
| 121 | }; |
| 122 | |
| 123 | |
| 124 | static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, |
| 125 | char __user *user_buf, |
| 126 | size_t count, loff_t *ppos) { |
| 127 | |
| 128 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 129 | char *buf; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 130 | int pos = 0; |
| 131 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 132 | int cnt; |
| 133 | ssize_t ret; |
| 134 | const size_t bufsz = 100 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX); |
| 135 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 136 | if (!buf) |
| 137 | return -ENOMEM; |
| 138 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 139 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 140 | pos += scnprintf(buf + pos, bufsz - pos, |
| 141 | "\t%s\t\t: %u\n", |
| 142 | get_mgmt_string(cnt), |
| 143 | priv->tx_stats.mgmt[cnt]); |
| 144 | } |
| 145 | pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); |
| 146 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 147 | pos += scnprintf(buf + pos, bufsz - pos, |
| 148 | "\t%s\t\t: %u\n", |
| 149 | get_ctrl_string(cnt), |
| 150 | priv->tx_stats.ctrl[cnt]); |
| 151 | } |
| 152 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 153 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 154 | priv->tx_stats.data_cnt); |
| 155 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 156 | priv->tx_stats.data_bytes); |
| 157 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 158 | kfree(buf); |
| 159 | return ret; |
| 160 | } |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 161 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 162 | static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file, |
| 163 | const char __user *user_buf, |
| 164 | size_t count, loff_t *ppos) |
| 165 | { |
| 166 | struct iwl_priv *priv = file->private_data; |
| 167 | u32 clear_flag; |
| 168 | char buf[8]; |
| 169 | int buf_size; |
| 170 | |
| 171 | memset(buf, 0, sizeof(buf)); |
| 172 | buf_size = min(count, sizeof(buf) - 1); |
| 173 | if (copy_from_user(buf, user_buf, buf_size)) |
| 174 | return -EFAULT; |
| 175 | if (sscanf(buf, "%x", &clear_flag) != 1) |
| 176 | return -EFAULT; |
| 177 | if (clear_flag == 1) |
| 178 | iwl_clear_tx_stats(priv); |
| 179 | |
| 180 | return count; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, |
| 184 | char __user *user_buf, |
| 185 | size_t count, loff_t *ppos) { |
| 186 | |
| 187 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 188 | char *buf; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 189 | int pos = 0; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 190 | int cnt; |
| 191 | ssize_t ret; |
| 192 | const size_t bufsz = 100 + |
| 193 | sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX); |
| 194 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 195 | if (!buf) |
| 196 | return -ENOMEM; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 197 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 198 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 199 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 200 | pos += scnprintf(buf + pos, bufsz - pos, |
| 201 | "\t%s\t\t: %u\n", |
| 202 | get_mgmt_string(cnt), |
| 203 | priv->rx_stats.mgmt[cnt]); |
| 204 | } |
| 205 | pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); |
| 206 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 207 | pos += scnprintf(buf + pos, bufsz - pos, |
| 208 | "\t%s\t\t: %u\n", |
| 209 | get_ctrl_string(cnt), |
| 210 | priv->rx_stats.ctrl[cnt]); |
| 211 | } |
| 212 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 213 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 214 | priv->rx_stats.data_cnt); |
| 215 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 216 | priv->rx_stats.data_bytes); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 217 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 218 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 219 | kfree(buf); |
| 220 | return ret; |
| 221 | } |
| 222 | |
| 223 | static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file, |
| 224 | const char __user *user_buf, |
| 225 | size_t count, loff_t *ppos) |
| 226 | { |
| 227 | struct iwl_priv *priv = file->private_data; |
| 228 | u32 clear_flag; |
| 229 | char buf[8]; |
| 230 | int buf_size; |
| 231 | |
| 232 | memset(buf, 0, sizeof(buf)); |
| 233 | buf_size = min(count, sizeof(buf) - 1); |
| 234 | if (copy_from_user(buf, user_buf, buf_size)) |
| 235 | return -EFAULT; |
| 236 | if (sscanf(buf, "%x", &clear_flag) != 1) |
| 237 | return -EFAULT; |
| 238 | if (clear_flag == 1) |
| 239 | iwl_clear_rx_stats(priv); |
| 240 | return count; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | #define BYTE1_MASK 0x000000ff; |
| 244 | #define BYTE2_MASK 0x0000ffff; |
| 245 | #define BYTE3_MASK 0x00ffffff; |
| 246 | static ssize_t iwl_dbgfs_sram_read(struct file *file, |
| 247 | char __user *user_buf, |
| 248 | size_t count, loff_t *ppos) |
| 249 | { |
| 250 | u32 val; |
| 251 | char buf[1024]; |
| 252 | ssize_t ret; |
| 253 | int i; |
| 254 | int pos = 0; |
| 255 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 256 | const size_t bufsz = sizeof(buf); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 257 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 258 | for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 259 | val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 260 | priv->dbgfs->sram_len - i); |
| 261 | if (i < 4) { |
| 262 | switch (i) { |
| 263 | case 1: |
| 264 | val &= BYTE1_MASK; |
| 265 | break; |
| 266 | case 2: |
| 267 | val &= BYTE2_MASK; |
| 268 | break; |
| 269 | case 3: |
| 270 | val &= BYTE3_MASK; |
| 271 | break; |
| 272 | } |
| 273 | } |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 274 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 275 | } |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 276 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 277 | |
| 278 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 279 | return ret; |
| 280 | } |
| 281 | |
| 282 | static ssize_t iwl_dbgfs_sram_write(struct file *file, |
| 283 | const char __user *user_buf, |
| 284 | size_t count, loff_t *ppos) |
| 285 | { |
| 286 | struct iwl_priv *priv = file->private_data; |
| 287 | char buf[64]; |
| 288 | int buf_size; |
| 289 | u32 offset, len; |
| 290 | |
| 291 | memset(buf, 0, sizeof(buf)); |
| 292 | buf_size = min(count, sizeof(buf) - 1); |
| 293 | if (copy_from_user(buf, user_buf, buf_size)) |
| 294 | return -EFAULT; |
| 295 | |
| 296 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
| 297 | priv->dbgfs->sram_offset = offset; |
| 298 | priv->dbgfs->sram_len = len; |
| 299 | } else { |
| 300 | priv->dbgfs->sram_offset = 0; |
| 301 | priv->dbgfs->sram_len = 0; |
| 302 | } |
| 303 | |
| 304 | return count; |
| 305 | } |
| 306 | |
| 307 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
| 308 | size_t count, loff_t *ppos) |
| 309 | { |
| 310 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
Tomas Winkler | 6def976 | 2008-05-05 10:22:31 +0800 | [diff] [blame] | 311 | struct iwl_station_entry *station; |
Tomas Winkler | 5425e49 | 2008-04-15 16:01:38 -0700 | [diff] [blame] | 312 | int max_sta = priv->hw_params.max_stations; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 313 | char *buf; |
| 314 | int i, j, pos = 0; |
| 315 | ssize_t ret; |
| 316 | /* Add 30 for initial string */ |
| 317 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 318 | |
| 319 | buf = kmalloc(bufsz, GFP_KERNEL); |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 320 | if (!buf) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 321 | return -ENOMEM; |
| 322 | |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 323 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 324 | priv->num_stations); |
| 325 | |
| 326 | for (i = 0; i < max_sta; i++) { |
| 327 | station = &priv->stations[i]; |
| 328 | if (station->used) { |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 329 | pos += scnprintf(buf + pos, bufsz - pos, |
| 330 | "station %d:\ngeneral data:\n", i+1); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 331 | pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 332 | station->sta.sta.sta_id); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 333 | pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 334 | station->sta.mode); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 335 | pos += scnprintf(buf + pos, bufsz - pos, |
| 336 | "flags: 0x%x\n", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 337 | station->sta.station_flags_msk); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 338 | pos += scnprintf(buf + pos, bufsz - pos, |
| 339 | "ps_status: %u\n", station->ps_status); |
| 340 | pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); |
| 341 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 342 | "seq_num\t\ttxq_id"); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 343 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 344 | "\tframe_count\twait_for_ba\t"); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 345 | pos += scnprintf(buf + pos, bufsz - pos, |
| 346 | "start_idx\tbitmap0\t"); |
| 347 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 348 | "bitmap1\trate_n_flags"); |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 349 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 350 | |
| 351 | for (j = 0; j < MAX_TID_COUNT; j++) { |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 352 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 353 | "[%d]:\t\t%u", j, |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 354 | station->tid[j].seq_number); |
| 355 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 356 | "\t%u\t\t%u\t\t%u\t\t", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 357 | station->tid[j].agg.txq_id, |
| 358 | station->tid[j].agg.frame_count, |
| 359 | station->tid[j].agg.wait_for_ba); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 360 | pos += scnprintf(buf + pos, bufsz - pos, |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 361 | "%u\t%llu\t%u", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 362 | station->tid[j].agg.start_idx, |
John W. Linville | 1678859 | 2008-04-01 20:59:32 -0400 | [diff] [blame] | 363 | (unsigned long long)station->tid[j].agg.bitmap, |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 364 | station->tid[j].agg.rate_n_flags); |
David S. Miller | 344234d | 2008-04-19 18:09:39 -0700 | [diff] [blame] | 365 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 366 | } |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 367 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 368 | } |
| 369 | } |
| 370 | |
| 371 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 372 | kfree(buf); |
| 373 | return ret; |
| 374 | } |
| 375 | |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 376 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 377 | char __user *user_buf, |
| 378 | size_t count, |
| 379 | loff_t *ppos) |
| 380 | { |
| 381 | ssize_t ret; |
| 382 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 383 | int pos = 0, ofs = 0, buf_size = 0; |
| 384 | const u8 *ptr; |
| 385 | char *buf; |
| 386 | size_t eeprom_len = priv->cfg->eeprom_size; |
| 387 | buf_size = 4 * eeprom_len + 256; |
| 388 | |
| 389 | if (eeprom_len % 16) { |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 390 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 391 | return -ENODATA; |
| 392 | } |
| 393 | |
Julia Lawall | c37457e | 2009-08-03 11:11:45 +0200 | [diff] [blame] | 394 | ptr = priv->eeprom; |
| 395 | if (!ptr) { |
| 396 | IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); |
| 397 | return -ENOMEM; |
| 398 | } |
| 399 | |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 400 | /* 4 characters for byte 0xYY */ |
| 401 | buf = kzalloc(buf_size, GFP_KERNEL); |
| 402 | if (!buf) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 403 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 404 | return -ENOMEM; |
| 405 | } |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 406 | pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n", |
| 407 | (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) |
| 408 | ? "OTP" : "EEPROM"); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 409 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
| 410 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); |
| 411 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, |
| 412 | buf_size - pos, 0); |
| 413 | pos += strlen(buf); |
| 414 | if (buf_size - pos > 0) |
| 415 | buf[pos++] = '\n'; |
| 416 | } |
| 417 | |
| 418 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 419 | kfree(buf); |
| 420 | return ret; |
| 421 | } |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 422 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 423 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, |
| 424 | const char __user *user_buf, |
| 425 | size_t count, loff_t *ppos) |
| 426 | { |
| 427 | struct iwl_priv *priv = file->private_data; |
| 428 | u32 event_log_flag; |
| 429 | char buf[8]; |
| 430 | int buf_size; |
| 431 | |
| 432 | memset(buf, 0, sizeof(buf)); |
| 433 | buf_size = min(count, sizeof(buf) - 1); |
| 434 | if (copy_from_user(buf, user_buf, buf_size)) |
| 435 | return -EFAULT; |
| 436 | if (sscanf(buf, "%d", &event_log_flag) != 1) |
| 437 | return -EFAULT; |
| 438 | if (event_log_flag == 1) |
| 439 | iwl_dump_nic_event_log(priv); |
| 440 | |
| 441 | return count; |
| 442 | } |
| 443 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 444 | |
| 445 | |
| 446 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, |
| 447 | size_t count, loff_t *ppos) |
| 448 | { |
| 449 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 450 | struct ieee80211_channel *channels = NULL; |
| 451 | const struct ieee80211_supported_band *supp_band = NULL; |
| 452 | int pos = 0, i, bufsz = PAGE_SIZE; |
| 453 | char *buf; |
| 454 | ssize_t ret; |
| 455 | |
| 456 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) |
| 457 | return -EAGAIN; |
| 458 | |
| 459 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 460 | if (!buf) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 461 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 462 | return -ENOMEM; |
| 463 | } |
| 464 | |
| 465 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 466 | if (supp_band) { |
| 467 | channels = supp_band->channels; |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 468 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 469 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 470 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
| 471 | supp_band->n_channels); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 472 | |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 473 | for (i = 0; i < supp_band->n_channels; i++) |
| 474 | pos += scnprintf(buf + pos, bufsz - pos, |
| 475 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 476 | ieee80211_frequency_to_channel( |
| 477 | channels[i].center_freq), |
| 478 | channels[i].max_power, |
| 479 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 480 | " (IEEE 802.11h required)" : "", |
| 481 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 482 | || (channels[i].flags & |
| 483 | IEEE80211_CHAN_RADAR)) ? "" : |
| 484 | ", IBSS", |
| 485 | channels[i].flags & |
| 486 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 487 | "passive only" : "active/passive"); |
| 488 | } |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 489 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 490 | if (supp_band) { |
| 491 | channels = supp_band->channels; |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 492 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 493 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 494 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
| 495 | supp_band->n_channels); |
| 496 | |
| 497 | for (i = 0; i < supp_band->n_channels; i++) |
| 498 | pos += scnprintf(buf + pos, bufsz - pos, |
| 499 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 500 | ieee80211_frequency_to_channel( |
| 501 | channels[i].center_freq), |
| 502 | channels[i].max_power, |
| 503 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 504 | " (IEEE 802.11h required)" : "", |
| 505 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 506 | || (channels[i].flags & |
| 507 | IEEE80211_CHAN_RADAR)) ? "" : |
| 508 | ", IBSS", |
| 509 | channels[i].flags & |
| 510 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 511 | "passive only" : "active/passive"); |
| 512 | } |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 513 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 514 | kfree(buf); |
| 515 | return ret; |
| 516 | } |
| 517 | |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 518 | static ssize_t iwl_dbgfs_status_read(struct file *file, |
| 519 | char __user *user_buf, |
| 520 | size_t count, loff_t *ppos) { |
| 521 | |
| 522 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 523 | char buf[512]; |
| 524 | int pos = 0; |
| 525 | const size_t bufsz = sizeof(buf); |
| 526 | |
| 527 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", |
| 528 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); |
| 529 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n", |
| 530 | test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); |
| 531 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", |
| 532 | test_bit(STATUS_INT_ENABLED, &priv->status)); |
| 533 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", |
| 534 | test_bit(STATUS_RF_KILL_HW, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 535 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
| 536 | test_bit(STATUS_INIT, &priv->status)); |
| 537 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", |
| 538 | test_bit(STATUS_ALIVE, &priv->status)); |
| 539 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", |
| 540 | test_bit(STATUS_READY, &priv->status)); |
| 541 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", |
| 542 | test_bit(STATUS_TEMPERATURE, &priv->status)); |
| 543 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", |
| 544 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); |
| 545 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", |
| 546 | test_bit(STATUS_EXIT_PENDING, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 547 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
| 548 | test_bit(STATUS_STATISTICS, &priv->status)); |
| 549 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", |
| 550 | test_bit(STATUS_SCANNING, &priv->status)); |
| 551 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", |
| 552 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); |
| 553 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", |
| 554 | test_bit(STATUS_SCAN_HW, &priv->status)); |
| 555 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", |
| 556 | test_bit(STATUS_POWER_PMI, &priv->status)); |
| 557 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", |
| 558 | test_bit(STATUS_FW_ERROR, &priv->status)); |
| 559 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", |
| 560 | test_bit(STATUS_MODE_PENDING, &priv->status)); |
| 561 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 562 | } |
| 563 | |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 564 | static ssize_t iwl_dbgfs_interrupt_read(struct file *file, |
| 565 | char __user *user_buf, |
| 566 | size_t count, loff_t *ppos) { |
| 567 | |
| 568 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 569 | int pos = 0; |
| 570 | int cnt = 0; |
| 571 | char *buf; |
| 572 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ |
| 573 | ssize_t ret; |
| 574 | |
| 575 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 576 | if (!buf) { |
| 577 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 578 | return -ENOMEM; |
| 579 | } |
| 580 | |
| 581 | pos += scnprintf(buf + pos, bufsz - pos, |
| 582 | "Interrupt Statistics Report:\n"); |
| 583 | |
| 584 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", |
| 585 | priv->isr_stats.hw); |
| 586 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", |
| 587 | priv->isr_stats.sw); |
| 588 | if (priv->isr_stats.sw > 0) { |
| 589 | pos += scnprintf(buf + pos, bufsz - pos, |
| 590 | "\tLast Restarting Code: 0x%X\n", |
| 591 | priv->isr_stats.sw_err); |
| 592 | } |
| 593 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 594 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", |
| 595 | priv->isr_stats.sch); |
| 596 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", |
| 597 | priv->isr_stats.alive); |
| 598 | #endif |
| 599 | pos += scnprintf(buf + pos, bufsz - pos, |
| 600 | "HW RF KILL switch toggled:\t %u\n", |
| 601 | priv->isr_stats.rfkill); |
| 602 | |
| 603 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", |
| 604 | priv->isr_stats.ctkill); |
| 605 | |
| 606 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", |
| 607 | priv->isr_stats.wakeup); |
| 608 | |
| 609 | pos += scnprintf(buf + pos, bufsz - pos, |
| 610 | "Rx command responses:\t\t %u\n", |
| 611 | priv->isr_stats.rx); |
| 612 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { |
| 613 | if (priv->isr_stats.rx_handlers[cnt] > 0) |
| 614 | pos += scnprintf(buf + pos, bufsz - pos, |
| 615 | "\tRx handler[%36s]:\t\t %u\n", |
| 616 | get_cmd_string(cnt), |
| 617 | priv->isr_stats.rx_handlers[cnt]); |
| 618 | } |
| 619 | |
| 620 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", |
| 621 | priv->isr_stats.tx); |
| 622 | |
| 623 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", |
| 624 | priv->isr_stats.unhandled); |
| 625 | |
| 626 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 627 | kfree(buf); |
| 628 | return ret; |
| 629 | } |
| 630 | |
| 631 | static ssize_t iwl_dbgfs_interrupt_write(struct file *file, |
| 632 | const char __user *user_buf, |
| 633 | size_t count, loff_t *ppos) |
| 634 | { |
| 635 | struct iwl_priv *priv = file->private_data; |
| 636 | char buf[8]; |
| 637 | int buf_size; |
| 638 | u32 reset_flag; |
| 639 | |
| 640 | memset(buf, 0, sizeof(buf)); |
| 641 | buf_size = min(count, sizeof(buf) - 1); |
| 642 | if (copy_from_user(buf, user_buf, buf_size)) |
| 643 | return -EFAULT; |
| 644 | if (sscanf(buf, "%x", &reset_flag) != 1) |
| 645 | return -EFAULT; |
| 646 | if (reset_flag == 0) |
| 647 | iwl_clear_isr_stats(priv); |
| 648 | |
| 649 | return count; |
| 650 | } |
| 651 | |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 652 | static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, |
| 653 | size_t count, loff_t *ppos) |
| 654 | { |
| 655 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 656 | int pos = 0, i; |
| 657 | char buf[256]; |
| 658 | const size_t bufsz = sizeof(buf); |
| 659 | ssize_t ret; |
| 660 | |
| 661 | for (i = 0; i < AC_NUM; i++) { |
| 662 | pos += scnprintf(buf + pos, bufsz - pos, |
| 663 | "\tcw_min\tcw_max\taifsn\ttxop\n"); |
| 664 | pos += scnprintf(buf + pos, bufsz - pos, |
| 665 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, |
| 666 | priv->qos_data.def_qos_parm.ac[i].cw_min, |
| 667 | priv->qos_data.def_qos_parm.ac[i].cw_max, |
| 668 | priv->qos_data.def_qos_parm.ac[i].aifsn, |
| 669 | priv->qos_data.def_qos_parm.ac[i].edca_txop); |
| 670 | } |
| 671 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 672 | return ret; |
| 673 | } |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 674 | |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 675 | #ifdef CONFIG_IWLWIFI_LEDS |
| 676 | static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, |
| 677 | size_t count, loff_t *ppos) |
| 678 | { |
| 679 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 680 | int pos = 0; |
| 681 | char buf[256]; |
| 682 | const size_t bufsz = sizeof(buf); |
| 683 | ssize_t ret; |
| 684 | |
| 685 | pos += scnprintf(buf + pos, bufsz - pos, |
| 686 | "allow blinking: %s\n", |
| 687 | (priv->allow_blinking) ? "True" : "False"); |
| 688 | if (priv->allow_blinking) { |
| 689 | pos += scnprintf(buf + pos, bufsz - pos, |
| 690 | "Led blinking rate: %u\n", |
| 691 | priv->last_blink_rate); |
| 692 | pos += scnprintf(buf + pos, bufsz - pos, |
| 693 | "Last blink time: %lu\n", |
| 694 | priv->last_blink_time); |
| 695 | } |
| 696 | |
| 697 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 698 | return ret; |
| 699 | } |
| 700 | #endif |
| 701 | |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 702 | static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, |
| 703 | char __user *user_buf, |
| 704 | size_t count, loff_t *ppos) |
| 705 | { |
| 706 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 707 | struct iwl_tt_mgmt *tt = &priv->power_data.tt; |
| 708 | struct iwl_tt_restriction *restriction; |
| 709 | char buf[100]; |
| 710 | int pos = 0; |
| 711 | const size_t bufsz = sizeof(buf); |
| 712 | ssize_t ret; |
| 713 | |
| 714 | pos += scnprintf(buf + pos, bufsz - pos, |
| 715 | "Thermal Throttling Mode: %s\n", |
| 716 | (priv->power_data.adv_tt) |
| 717 | ? "Advance" : "Legacy"); |
| 718 | pos += scnprintf(buf + pos, bufsz - pos, |
| 719 | "Thermal Throttling State: %d\n", |
| 720 | tt->state); |
| 721 | if (priv->power_data.adv_tt) { |
| 722 | restriction = tt->restriction + tt->state; |
| 723 | pos += scnprintf(buf + pos, bufsz - pos, |
| 724 | "Tx mode: %d\n", |
| 725 | restriction->tx_stream); |
| 726 | pos += scnprintf(buf + pos, bufsz - pos, |
| 727 | "Rx mode: %d\n", |
| 728 | restriction->rx_stream); |
| 729 | pos += scnprintf(buf + pos, bufsz - pos, |
| 730 | "HT mode: %d\n", |
| 731 | restriction->is_ht); |
| 732 | } |
| 733 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 734 | return ret; |
| 735 | } |
| 736 | |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 737 | static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, |
| 738 | const char __user *user_buf, |
| 739 | size_t count, loff_t *ppos) |
| 740 | { |
| 741 | struct iwl_priv *priv = file->private_data; |
| 742 | char buf[8]; |
| 743 | int buf_size; |
| 744 | int ht40; |
| 745 | |
| 746 | memset(buf, 0, sizeof(buf)); |
| 747 | buf_size = min(count, sizeof(buf) - 1); |
| 748 | if (copy_from_user(buf, user_buf, buf_size)) |
| 749 | return -EFAULT; |
| 750 | if (sscanf(buf, "%d", &ht40) != 1) |
| 751 | return -EFAULT; |
| 752 | if (!iwl_is_associated(priv)) |
| 753 | priv->disable_ht40 = ht40 ? true : false; |
| 754 | else { |
| 755 | IWL_ERR(priv, "Sta associated with AP - " |
| 756 | "Change to 40MHz channel support is not allowed\n"); |
| 757 | return -EINVAL; |
| 758 | } |
| 759 | |
| 760 | return count; |
| 761 | } |
| 762 | |
| 763 | static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, |
| 764 | char __user *user_buf, |
| 765 | size_t count, loff_t *ppos) |
| 766 | { |
| 767 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 768 | char buf[100]; |
| 769 | int pos = 0; |
| 770 | const size_t bufsz = sizeof(buf); |
| 771 | ssize_t ret; |
| 772 | |
| 773 | pos += scnprintf(buf + pos, bufsz - pos, |
| 774 | "11n 40MHz Mode: %s\n", |
| 775 | priv->disable_ht40 ? "Disabled" : "Enabled"); |
| 776 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 777 | return ret; |
| 778 | } |
| 779 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 780 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 781 | DEBUGFS_WRITE_FILE_OPS(log_event); |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 782 | DEBUGFS_READ_FILE_OPS(nvm); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 783 | DEBUGFS_READ_FILE_OPS(stations); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 784 | DEBUGFS_READ_FILE_OPS(channels); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 785 | DEBUGFS_READ_FILE_OPS(status); |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 786 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 787 | DEBUGFS_READ_FILE_OPS(qos); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 788 | #ifdef CONFIG_IWLWIFI_LEDS |
| 789 | DEBUGFS_READ_FILE_OPS(led); |
| 790 | #endif |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 791 | DEBUGFS_READ_FILE_OPS(thermal_throttling); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 792 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 793 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 794 | static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, |
| 795 | char __user *user_buf, |
| 796 | size_t count, loff_t *ppos) |
| 797 | { |
| 798 | struct iwl_priv *priv = file->private_data; |
| 799 | int pos = 0, ofs = 0; |
| 800 | int cnt = 0, entry; |
| 801 | struct iwl_tx_queue *txq; |
| 802 | struct iwl_queue *q; |
| 803 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 804 | char *buf; |
| 805 | int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + |
| 806 | (IWL_MAX_NUM_QUEUES * 32 * 8) + 400; |
| 807 | const u8 *ptr; |
| 808 | ssize_t ret; |
| 809 | |
| 810 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 811 | if (!buf) { |
| 812 | IWL_ERR(priv, "Can not allocate buffer\n"); |
| 813 | return -ENOMEM; |
| 814 | } |
| 815 | pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); |
| 816 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { |
| 817 | txq = &priv->txq[cnt]; |
| 818 | q = &txq->q; |
| 819 | pos += scnprintf(buf + pos, bufsz - pos, |
| 820 | "q[%d]: read_ptr: %u, write_ptr: %u\n", |
| 821 | cnt, q->read_ptr, q->write_ptr); |
| 822 | } |
| 823 | if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { |
| 824 | ptr = priv->tx_traffic; |
| 825 | pos += scnprintf(buf + pos, bufsz - pos, |
| 826 | "Tx Traffic idx: %u\n", priv->tx_traffic_idx); |
| 827 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 828 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 829 | entry++, ofs += 16) { |
| 830 | pos += scnprintf(buf + pos, bufsz - pos, |
| 831 | "0x%.4x ", ofs); |
| 832 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 833 | buf + pos, bufsz - pos, 0); |
| 834 | pos += strlen(buf); |
| 835 | if (bufsz - pos > 0) |
| 836 | buf[pos++] = '\n'; |
| 837 | } |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); |
| 842 | pos += scnprintf(buf + pos, bufsz - pos, |
| 843 | "read: %u, write: %u\n", |
| 844 | rxq->read, rxq->write); |
| 845 | |
| 846 | if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { |
| 847 | ptr = priv->rx_traffic; |
| 848 | pos += scnprintf(buf + pos, bufsz - pos, |
| 849 | "Rx Traffic idx: %u\n", priv->rx_traffic_idx); |
| 850 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 851 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 852 | entry++, ofs += 16) { |
| 853 | pos += scnprintf(buf + pos, bufsz - pos, |
| 854 | "0x%.4x ", ofs); |
| 855 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 856 | buf + pos, bufsz - pos, 0); |
| 857 | pos += strlen(buf); |
| 858 | if (bufsz - pos > 0) |
| 859 | buf[pos++] = '\n'; |
| 860 | } |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 865 | kfree(buf); |
| 866 | return ret; |
| 867 | } |
| 868 | |
| 869 | static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, |
| 870 | const char __user *user_buf, |
| 871 | size_t count, loff_t *ppos) |
| 872 | { |
| 873 | struct iwl_priv *priv = file->private_data; |
| 874 | char buf[8]; |
| 875 | int buf_size; |
| 876 | int traffic_log; |
| 877 | |
| 878 | memset(buf, 0, sizeof(buf)); |
| 879 | buf_size = min(count, sizeof(buf) - 1); |
| 880 | if (copy_from_user(buf, user_buf, buf_size)) |
| 881 | return -EFAULT; |
| 882 | if (sscanf(buf, "%d", &traffic_log) != 1) |
| 883 | return -EFAULT; |
| 884 | if (traffic_log == 0) |
| 885 | iwl_reset_traffic_log(priv); |
| 886 | |
| 887 | return count; |
| 888 | } |
| 889 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 890 | DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics); |
| 891 | DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 892 | DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); |
| 893 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 894 | /* |
| 895 | * Create the debugfs files and directories |
| 896 | * |
| 897 | */ |
| 898 | int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) |
| 899 | { |
| 900 | struct iwl_debugfs *dbgfs; |
Zhu Yi | 95b1a82 | 2008-05-29 16:34:50 +0800 | [diff] [blame] | 901 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 902 | int ret = 0; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 903 | |
| 904 | dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL); |
| 905 | if (!dbgfs) { |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 906 | ret = -ENOMEM; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 907 | goto err; |
| 908 | } |
| 909 | |
| 910 | priv->dbgfs = dbgfs; |
| 911 | dbgfs->name = name; |
Zhu Yi | 95b1a82 | 2008-05-29 16:34:50 +0800 | [diff] [blame] | 912 | dbgfs->dir_drv = debugfs_create_dir(name, phyd); |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 913 | if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) { |
| 914 | ret = -ENOENT; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 915 | goto err; |
| 916 | } |
| 917 | |
| 918 | DEBUGFS_ADD_DIR(data, dbgfs->dir_drv); |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 919 | DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 920 | DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv); |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 921 | DEBUGFS_ADD_FILE(nvm, data); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 922 | DEBUGFS_ADD_FILE(sram, data); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 923 | DEBUGFS_ADD_FILE(log_event, data); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 924 | DEBUGFS_ADD_FILE(stations, data); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 925 | DEBUGFS_ADD_FILE(channels, data); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 926 | DEBUGFS_ADD_FILE(status, data); |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 927 | DEBUGFS_ADD_FILE(interrupt, data); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 928 | DEBUGFS_ADD_FILE(qos, data); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 929 | #ifdef CONFIG_IWLWIFI_LEDS |
| 930 | DEBUGFS_ADD_FILE(led, data); |
| 931 | #endif |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 932 | DEBUGFS_ADD_FILE(thermal_throttling, data); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 933 | DEBUGFS_ADD_FILE(disable_ht40, data); |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 934 | DEBUGFS_ADD_FILE(rx_statistics, debug); |
| 935 | DEBUGFS_ADD_FILE(tx_statistics, debug); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 936 | DEBUGFS_ADD_FILE(traffic_log, debug); |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 937 | DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); |
| 938 | DEBUGFS_ADD_BOOL(disable_chain_noise, rf, |
| 939 | &priv->disable_chain_noise_cal); |
Wey-Yi Guy | 030b865 | 2009-06-12 13:22:55 -0700 | [diff] [blame] | 940 | if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || |
| 941 | ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) |
| 942 | DEBUGFS_ADD_BOOL(disable_tx_power, rf, |
| 943 | &priv->disable_tx_power_cal); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 944 | return 0; |
| 945 | |
| 946 | err: |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 947 | IWL_ERR(priv, "Can't open the debugfs directory\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 948 | iwl_dbgfs_unregister(priv); |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 949 | return ret; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 950 | } |
| 951 | EXPORT_SYMBOL(iwl_dbgfs_register); |
| 952 | |
| 953 | /** |
| 954 | * Remove the debugfs files and directories |
| 955 | * |
| 956 | */ |
| 957 | void iwl_dbgfs_unregister(struct iwl_priv *priv) |
| 958 | { |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 959 | if (!priv->dbgfs) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 960 | return; |
| 961 | |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 962 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 963 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 964 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 965 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 966 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 967 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 968 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 969 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 970 | #ifdef CONFIG_IWLWIFI_LEDS |
| 971 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); |
| 972 | #endif |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 973 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 974 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 975 | DEBUGFS_REMOVE(priv->dbgfs->dir_data); |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame^] | 976 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics); |
| 977 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 978 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log); |
| 979 | DEBUGFS_REMOVE(priv->dbgfs->dir_debug); |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 980 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); |
| 981 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); |
Wey-Yi Guy | 030b865 | 2009-06-12 13:22:55 -0700 | [diff] [blame] | 982 | if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || |
| 983 | ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) |
| 984 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 985 | DEBUGFS_REMOVE(priv->dbgfs->dir_rf); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 986 | DEBUGFS_REMOVE(priv->dbgfs->dir_drv); |
| 987 | kfree(priv->dbgfs); |
| 988 | priv->dbgfs = NULL; |
| 989 | } |
| 990 | EXPORT_SYMBOL(iwl_dbgfs_unregister); |
| 991 | |
| 992 | |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 993 | |