Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * GPL LICENSE SUMMARY |
| 4 | * |
Reinette Chatre | 1f44780 | 2010-01-15 13:43:41 -0800 | [diff] [blame] | 5 | * Copyright(c) 2008 - 2010 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 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 29 | #include <linux/slab.h> |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 30 | #include <linux/kernel.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/debugfs.h> |
| 33 | |
| 34 | #include <linux/ieee80211.h> |
| 35 | #include <net/mac80211.h> |
| 36 | |
| 37 | |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 38 | #include "iwl-dev.h" |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 39 | #include "iwl-debug.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 40 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 41 | #include "iwl-io.h" |
Wey-Yi Guy | 5225935 | 2009-08-07 15:41:43 -0700 | [diff] [blame] | 42 | #include "iwl-calib.h" |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 43 | |
| 44 | /* create and remove of files */ |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 45 | #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ |
| 46 | if (!debugfs_create_file(#name, mode, parent, priv, \ |
| 47 | &iwl_dbgfs_##name##_ops)) \ |
| 48 | goto err; \ |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 49 | } while (0) |
| 50 | |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 51 | #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
| 52 | struct dentry *__tmp; \ |
| 53 | __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ |
| 54 | parent, ptr); \ |
| 55 | if (IS_ERR(__tmp) || !__tmp) \ |
| 56 | goto err; \ |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 57 | } while (0) |
| 58 | |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 59 | #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ |
| 60 | struct dentry *__tmp; \ |
| 61 | __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ |
| 62 | parent, ptr); \ |
| 63 | if (IS_ERR(__tmp) || !__tmp) \ |
| 64 | goto err; \ |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 65 | } while (0) |
| 66 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 67 | /* file operation */ |
| 68 | #define DEBUGFS_READ_FUNC(name) \ |
| 69 | static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ |
| 70 | char __user *user_buf, \ |
| 71 | size_t count, loff_t *ppos); |
| 72 | |
| 73 | #define DEBUGFS_WRITE_FUNC(name) \ |
| 74 | static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ |
| 75 | const char __user *user_buf, \ |
| 76 | size_t count, loff_t *ppos); |
| 77 | |
| 78 | |
| 79 | static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) |
| 80 | { |
| 81 | file->private_data = inode->i_private; |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | #define DEBUGFS_READ_FILE_OPS(name) \ |
| 86 | DEBUGFS_READ_FUNC(name); \ |
| 87 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 88 | .read = iwl_dbgfs_##name##_read, \ |
| 89 | .open = iwl_dbgfs_open_file_generic, \ |
| 90 | }; |
| 91 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 92 | #define DEBUGFS_WRITE_FILE_OPS(name) \ |
| 93 | DEBUGFS_WRITE_FUNC(name); \ |
| 94 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 95 | .write = iwl_dbgfs_##name##_write, \ |
| 96 | .open = iwl_dbgfs_open_file_generic, \ |
| 97 | }; |
| 98 | |
| 99 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 100 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ |
| 101 | DEBUGFS_READ_FUNC(name); \ |
| 102 | DEBUGFS_WRITE_FUNC(name); \ |
| 103 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ |
| 104 | .write = iwl_dbgfs_##name##_write, \ |
| 105 | .read = iwl_dbgfs_##name##_read, \ |
| 106 | .open = iwl_dbgfs_open_file_generic, \ |
| 107 | }; |
| 108 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 109 | static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, |
| 110 | char __user *user_buf, |
| 111 | size_t count, loff_t *ppos) { |
| 112 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 113 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 114 | char *buf; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 115 | int pos = 0; |
| 116 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 117 | int cnt; |
| 118 | ssize_t ret; |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 119 | const size_t bufsz = 100 + |
| 120 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 121 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 122 | if (!buf) |
| 123 | return -ENOMEM; |
| 124 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 125 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 126 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 127 | "\t%25s\t\t: %u\n", |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 128 | get_mgmt_string(cnt), |
| 129 | priv->tx_stats.mgmt[cnt]); |
| 130 | } |
| 131 | pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); |
| 132 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 133 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 134 | "\t%25s\t\t: %u\n", |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 135 | get_ctrl_string(cnt), |
| 136 | priv->tx_stats.ctrl[cnt]); |
| 137 | } |
| 138 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 139 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 140 | priv->tx_stats.data_cnt); |
| 141 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 142 | priv->tx_stats.data_bytes); |
| 143 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 144 | kfree(buf); |
| 145 | return ret; |
| 146 | } |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 147 | |
Wey-Yi Guy | 7163b8a | 2009-11-20 12:04:56 -0800 | [diff] [blame] | 148 | static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 149 | const char __user *user_buf, |
| 150 | size_t count, loff_t *ppos) |
| 151 | { |
| 152 | struct iwl_priv *priv = file->private_data; |
| 153 | u32 clear_flag; |
| 154 | char buf[8]; |
| 155 | int buf_size; |
| 156 | |
| 157 | memset(buf, 0, sizeof(buf)); |
| 158 | buf_size = min(count, sizeof(buf) - 1); |
| 159 | if (copy_from_user(buf, user_buf, buf_size)) |
| 160 | return -EFAULT; |
| 161 | if (sscanf(buf, "%x", &clear_flag) != 1) |
| 162 | return -EFAULT; |
Wey-Yi Guy | 7163b8a | 2009-11-20 12:04:56 -0800 | [diff] [blame] | 163 | iwl_clear_traffic_stats(priv); |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 164 | |
| 165 | return count; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, |
| 169 | char __user *user_buf, |
| 170 | size_t count, loff_t *ppos) { |
| 171 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 172 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 173 | char *buf; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 174 | int pos = 0; |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 175 | int cnt; |
| 176 | ssize_t ret; |
| 177 | const size_t bufsz = 100 + |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 178 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 179 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 180 | if (!buf) |
| 181 | return -ENOMEM; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 182 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 183 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
| 184 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { |
| 185 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 186 | "\t%25s\t\t: %u\n", |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 187 | get_mgmt_string(cnt), |
| 188 | priv->rx_stats.mgmt[cnt]); |
| 189 | } |
| 190 | pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); |
| 191 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { |
| 192 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | 98a7b43 | 2009-11-13 11:56:31 -0800 | [diff] [blame] | 193 | "\t%25s\t\t: %u\n", |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 194 | get_ctrl_string(cnt), |
| 195 | priv->rx_stats.ctrl[cnt]); |
| 196 | } |
| 197 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); |
| 198 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", |
| 199 | priv->rx_stats.data_cnt); |
| 200 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", |
| 201 | priv->rx_stats.data_bytes); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 202 | |
Wey-Yi Guy | 22fdf3c | 2009-08-07 15:41:40 -0700 | [diff] [blame] | 203 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 204 | kfree(buf); |
| 205 | return ret; |
| 206 | } |
| 207 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 208 | #define BYTE1_MASK 0x000000ff; |
| 209 | #define BYTE2_MASK 0x0000ffff; |
| 210 | #define BYTE3_MASK 0x00ffffff; |
| 211 | static ssize_t iwl_dbgfs_sram_read(struct file *file, |
| 212 | char __user *user_buf, |
| 213 | size_t count, loff_t *ppos) |
| 214 | { |
| 215 | u32 val; |
Wey-Yi Guy | 2943f13 | 2009-11-20 12:05:00 -0800 | [diff] [blame] | 216 | char *buf; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 217 | ssize_t ret; |
| 218 | int i; |
| 219 | int pos = 0; |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 220 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 2943f13 | 2009-11-20 12:05:00 -0800 | [diff] [blame] | 221 | size_t bufsz; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 222 | |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 223 | /* default is to dump the entire data segment */ |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 224 | if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { |
| 225 | priv->dbgfs_sram_offset = 0x800000; |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 226 | if (priv->ucode_type == UCODE_INIT) |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 227 | priv->dbgfs_sram_len = priv->ucode_init_data.len; |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 228 | else |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 229 | priv->dbgfs_sram_len = priv->ucode_data.len; |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 230 | } |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 231 | bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; |
Wey-Yi Guy | 2943f13 | 2009-11-20 12:05:00 -0800 | [diff] [blame] | 232 | buf = kmalloc(bufsz, GFP_KERNEL); |
| 233 | if (!buf) |
| 234 | return -ENOMEM; |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 235 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 236 | priv->dbgfs_sram_len); |
Wey-Yi Guy | 5ade1e4 | 2009-11-20 12:05:04 -0800 | [diff] [blame] | 237 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 238 | priv->dbgfs_sram_offset); |
| 239 | for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { |
| 240 | val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \ |
| 241 | priv->dbgfs_sram_len - i); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 242 | if (i < 4) { |
| 243 | switch (i) { |
| 244 | case 1: |
| 245 | val &= BYTE1_MASK; |
| 246 | break; |
| 247 | case 2: |
| 248 | val &= BYTE2_MASK; |
| 249 | break; |
| 250 | case 3: |
| 251 | val &= BYTE3_MASK; |
| 252 | break; |
| 253 | } |
| 254 | } |
Wey-Yi Guy | 2943f13 | 2009-11-20 12:05:00 -0800 | [diff] [blame] | 255 | if (!(i % 16)) |
| 256 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 257 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 258 | } |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 259 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 260 | |
| 261 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | 2943f13 | 2009-11-20 12:05:00 -0800 | [diff] [blame] | 262 | kfree(buf); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 263 | return ret; |
| 264 | } |
| 265 | |
| 266 | static ssize_t iwl_dbgfs_sram_write(struct file *file, |
| 267 | const char __user *user_buf, |
| 268 | size_t count, loff_t *ppos) |
| 269 | { |
| 270 | struct iwl_priv *priv = file->private_data; |
| 271 | char buf[64]; |
| 272 | int buf_size; |
| 273 | u32 offset, len; |
| 274 | |
| 275 | memset(buf, 0, sizeof(buf)); |
| 276 | buf_size = min(count, sizeof(buf) - 1); |
| 277 | if (copy_from_user(buf, user_buf, buf_size)) |
| 278 | return -EFAULT; |
| 279 | |
| 280 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 281 | priv->dbgfs_sram_offset = offset; |
| 282 | priv->dbgfs_sram_len = len; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 283 | } else { |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 284 | priv->dbgfs_sram_offset = 0; |
| 285 | priv->dbgfs_sram_len = 0; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | return count; |
| 289 | } |
| 290 | |
| 291 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
| 292 | size_t count, loff_t *ppos) |
| 293 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 294 | struct iwl_priv *priv = file->private_data; |
Tomas Winkler | 6def976 | 2008-05-05 10:22:31 +0800 | [diff] [blame] | 295 | struct iwl_station_entry *station; |
Tomas Winkler | 5425e49 | 2008-04-15 16:01:38 -0700 | [diff] [blame] | 296 | int max_sta = priv->hw_params.max_stations; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 297 | char *buf; |
| 298 | int i, j, pos = 0; |
| 299 | ssize_t ret; |
| 300 | /* Add 30 for initial string */ |
| 301 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 302 | |
| 303 | buf = kmalloc(bufsz, GFP_KERNEL); |
Tomas Winkler | 3ac7f14 | 2008-07-21 02:40:14 +0300 | [diff] [blame] | 304 | if (!buf) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 305 | return -ENOMEM; |
| 306 | |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 307 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 308 | priv->num_stations); |
| 309 | |
| 310 | for (i = 0; i < max_sta; i++) { |
| 311 | station = &priv->stations[i]; |
Johannes Berg | da73511 | 2010-05-03 01:25:24 -0700 | [diff] [blame] | 312 | if (!station->used) |
| 313 | continue; |
| 314 | pos += scnprintf(buf + pos, bufsz - pos, |
| 315 | "station %d - addr: %pM, flags: %#x\n", |
| 316 | i, station->sta.sta.addr, |
| 317 | station->sta.station_flags_msk); |
| 318 | pos += scnprintf(buf + pos, bufsz - pos, |
| 319 | "TID\tseq_num\ttxq_id\tframes\ttfds\t"); |
| 320 | pos += scnprintf(buf + pos, bufsz - pos, |
| 321 | "start_idx\tbitmap\t\t\trate_n_flags\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 322 | |
Johannes Berg | da73511 | 2010-05-03 01:25:24 -0700 | [diff] [blame] | 323 | for (j = 0; j < MAX_TID_COUNT; j++) { |
| 324 | pos += scnprintf(buf + pos, bufsz - pos, |
| 325 | "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", |
| 326 | j, station->tid[j].seq_number, |
| 327 | station->tid[j].agg.txq_id, |
| 328 | station->tid[j].agg.frame_count, |
| 329 | station->tid[j].tfds_in_queue, |
| 330 | station->tid[j].agg.start_idx, |
| 331 | station->tid[j].agg.bitmap, |
| 332 | station->tid[j].agg.rate_n_flags); |
| 333 | |
| 334 | if (station->tid[j].agg.wait_for_ba) |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 335 | pos += scnprintf(buf + pos, bufsz - pos, |
Johannes Berg | da73511 | 2010-05-03 01:25:24 -0700 | [diff] [blame] | 336 | " - waitforba"); |
Abhijeet Kolekar | db0589f | 2008-04-14 21:16:04 -0700 | [diff] [blame] | 337 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 338 | } |
Johannes Berg | da73511 | 2010-05-03 01:25:24 -0700 | [diff] [blame] | 339 | |
| 340 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 344 | kfree(buf); |
| 345 | return ret; |
| 346 | } |
| 347 | |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 348 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 349 | char __user *user_buf, |
| 350 | size_t count, |
| 351 | loff_t *ppos) |
| 352 | { |
| 353 | ssize_t ret; |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 354 | struct iwl_priv *priv = file->private_data; |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 355 | int pos = 0, ofs = 0, buf_size = 0; |
| 356 | const u8 *ptr; |
| 357 | char *buf; |
Wey-Yi Guy | e307ddc | 2009-09-11 10:38:16 -0700 | [diff] [blame] | 358 | u16 eeprom_ver; |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 359 | size_t eeprom_len = priv->cfg->eeprom_size; |
| 360 | buf_size = 4 * eeprom_len + 256; |
| 361 | |
| 362 | if (eeprom_len % 16) { |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 363 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 364 | return -ENODATA; |
| 365 | } |
| 366 | |
Julia Lawall | c37457e | 2009-08-03 11:11:45 +0200 | [diff] [blame] | 367 | ptr = priv->eeprom; |
| 368 | if (!ptr) { |
| 369 | IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); |
| 370 | return -ENOMEM; |
| 371 | } |
| 372 | |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 373 | /* 4 characters for byte 0xYY */ |
| 374 | buf = kzalloc(buf_size, GFP_KERNEL); |
| 375 | if (!buf) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 376 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 377 | return -ENOMEM; |
| 378 | } |
Wey-Yi Guy | e307ddc | 2009-09-11 10:38:16 -0700 | [diff] [blame] | 379 | eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); |
| 380 | pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " |
| 381 | "version: 0x%x\n", |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 382 | (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) |
Wey-Yi Guy | e307ddc | 2009-09-11 10:38:16 -0700 | [diff] [blame] | 383 | ? "OTP" : "EEPROM", eeprom_ver); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 384 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
| 385 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); |
| 386 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, |
| 387 | buf_size - pos, 0); |
Reinette Chatre | 2fac971 | 2009-09-25 14:24:21 -0700 | [diff] [blame] | 388 | pos += strlen(buf + pos); |
Tomas Winkler | 8dd266e | 2008-05-05 10:22:32 +0800 | [diff] [blame] | 389 | if (buf_size - pos > 0) |
| 390 | buf[pos++] = '\n'; |
| 391 | } |
| 392 | |
| 393 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 394 | kfree(buf); |
| 395 | return ret; |
| 396 | } |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 397 | |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 398 | static ssize_t iwl_dbgfs_log_event_read(struct file *file, |
| 399 | char __user *user_buf, |
| 400 | size_t count, loff_t *ppos) |
| 401 | { |
| 402 | struct iwl_priv *priv = file->private_data; |
| 403 | char *buf; |
| 404 | int pos = 0; |
| 405 | ssize_t ret = -ENOMEM; |
| 406 | |
Wey-Yi Guy | 937c397 | 2010-01-15 13:43:36 -0800 | [diff] [blame] | 407 | ret = pos = priv->cfg->ops->lib->dump_nic_event_log( |
| 408 | priv, true, &buf, true); |
| 409 | if (buf) { |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 410 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 411 | kfree(buf); |
| 412 | } |
| 413 | return ret; |
| 414 | } |
| 415 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 416 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, |
| 417 | const char __user *user_buf, |
| 418 | size_t count, loff_t *ppos) |
| 419 | { |
| 420 | struct iwl_priv *priv = file->private_data; |
| 421 | u32 event_log_flag; |
| 422 | char buf[8]; |
| 423 | int buf_size; |
| 424 | |
| 425 | memset(buf, 0, sizeof(buf)); |
| 426 | buf_size = min(count, sizeof(buf) - 1); |
| 427 | if (copy_from_user(buf, user_buf, buf_size)) |
| 428 | return -EFAULT; |
| 429 | if (sscanf(buf, "%d", &event_log_flag) != 1) |
| 430 | return -EFAULT; |
| 431 | if (event_log_flag == 1) |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 432 | priv->cfg->ops->lib->dump_nic_event_log(priv, true, |
| 433 | NULL, false); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 434 | |
| 435 | return count; |
| 436 | } |
| 437 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 438 | |
| 439 | |
| 440 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, |
| 441 | size_t count, loff_t *ppos) |
| 442 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 443 | struct iwl_priv *priv = file->private_data; |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 444 | struct ieee80211_channel *channels = NULL; |
| 445 | const struct ieee80211_supported_band *supp_band = NULL; |
| 446 | int pos = 0, i, bufsz = PAGE_SIZE; |
| 447 | char *buf; |
| 448 | ssize_t ret; |
| 449 | |
| 450 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) |
| 451 | return -EAGAIN; |
| 452 | |
| 453 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 454 | if (!buf) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 455 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 456 | return -ENOMEM; |
| 457 | } |
| 458 | |
| 459 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 460 | if (supp_band) { |
| 461 | channels = supp_band->channels; |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 462 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 463 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 464 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
| 465 | supp_band->n_channels); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 466 | |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 467 | for (i = 0; i < supp_band->n_channels; i++) |
| 468 | pos += scnprintf(buf + pos, bufsz - pos, |
| 469 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 470 | ieee80211_frequency_to_channel( |
| 471 | channels[i].center_freq), |
| 472 | channels[i].max_power, |
| 473 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 474 | " (IEEE 802.11h required)" : "", |
| 475 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 476 | || (channels[i].flags & |
| 477 | IEEE80211_CHAN_RADAR)) ? "" : |
| 478 | ", IBSS", |
| 479 | channels[i].flags & |
| 480 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 481 | "passive only" : "active/passive"); |
| 482 | } |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 483 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 484 | if (supp_band) { |
| 485 | channels = supp_band->channels; |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 486 | |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 487 | pos += scnprintf(buf + pos, bufsz - pos, |
Wey-Yi Guy | a2e2322 | 2009-05-22 11:01:55 -0700 | [diff] [blame] | 488 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
| 489 | supp_band->n_channels); |
| 490 | |
| 491 | for (i = 0; i < supp_band->n_channels; i++) |
| 492 | pos += scnprintf(buf + pos, bufsz - pos, |
| 493 | "%d: %ddBm: BSS%s%s, %s.\n", |
| 494 | ieee80211_frequency_to_channel( |
| 495 | channels[i].center_freq), |
| 496 | channels[i].max_power, |
| 497 | channels[i].flags & IEEE80211_CHAN_RADAR ? |
| 498 | " (IEEE 802.11h required)" : "", |
| 499 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) |
| 500 | || (channels[i].flags & |
| 501 | IEEE80211_CHAN_RADAR)) ? "" : |
| 502 | ", IBSS", |
| 503 | channels[i].flags & |
| 504 | IEEE80211_CHAN_PASSIVE_SCAN ? |
| 505 | "passive only" : "active/passive"); |
| 506 | } |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 507 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 508 | kfree(buf); |
| 509 | return ret; |
| 510 | } |
| 511 | |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 512 | static ssize_t iwl_dbgfs_status_read(struct file *file, |
| 513 | char __user *user_buf, |
| 514 | size_t count, loff_t *ppos) { |
| 515 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 516 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 517 | char buf[512]; |
| 518 | int pos = 0; |
| 519 | const size_t bufsz = sizeof(buf); |
| 520 | |
| 521 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", |
| 522 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 523 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", |
| 524 | test_bit(STATUS_INT_ENABLED, &priv->status)); |
| 525 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", |
| 526 | test_bit(STATUS_RF_KILL_HW, &priv->status)); |
Wey-Yi Guy | 7812b16 | 2009-10-02 13:43:58 -0700 | [diff] [blame] | 527 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", |
| 528 | test_bit(STATUS_CT_KILL, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 529 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
| 530 | test_bit(STATUS_INIT, &priv->status)); |
| 531 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", |
| 532 | test_bit(STATUS_ALIVE, &priv->status)); |
| 533 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", |
| 534 | test_bit(STATUS_READY, &priv->status)); |
| 535 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", |
| 536 | test_bit(STATUS_TEMPERATURE, &priv->status)); |
| 537 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", |
| 538 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); |
| 539 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", |
| 540 | test_bit(STATUS_EXIT_PENDING, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 541 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
| 542 | test_bit(STATUS_STATISTICS, &priv->status)); |
| 543 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", |
| 544 | test_bit(STATUS_SCANNING, &priv->status)); |
| 545 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", |
| 546 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); |
| 547 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", |
| 548 | test_bit(STATUS_SCAN_HW, &priv->status)); |
| 549 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", |
| 550 | test_bit(STATUS_POWER_PMI, &priv->status)); |
| 551 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", |
| 552 | test_bit(STATUS_FW_ERROR, &priv->status)); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 553 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 554 | } |
| 555 | |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 556 | static ssize_t iwl_dbgfs_interrupt_read(struct file *file, |
| 557 | char __user *user_buf, |
| 558 | size_t count, loff_t *ppos) { |
| 559 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 560 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 561 | int pos = 0; |
| 562 | int cnt = 0; |
| 563 | char *buf; |
| 564 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ |
| 565 | ssize_t ret; |
| 566 | |
| 567 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 568 | if (!buf) { |
| 569 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 570 | return -ENOMEM; |
| 571 | } |
| 572 | |
| 573 | pos += scnprintf(buf + pos, bufsz - pos, |
| 574 | "Interrupt Statistics Report:\n"); |
| 575 | |
| 576 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", |
| 577 | priv->isr_stats.hw); |
| 578 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", |
| 579 | priv->isr_stats.sw); |
| 580 | if (priv->isr_stats.sw > 0) { |
| 581 | pos += scnprintf(buf + pos, bufsz - pos, |
| 582 | "\tLast Restarting Code: 0x%X\n", |
| 583 | priv->isr_stats.sw_err); |
| 584 | } |
| 585 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 586 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", |
| 587 | priv->isr_stats.sch); |
| 588 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", |
| 589 | priv->isr_stats.alive); |
| 590 | #endif |
| 591 | pos += scnprintf(buf + pos, bufsz - pos, |
| 592 | "HW RF KILL switch toggled:\t %u\n", |
| 593 | priv->isr_stats.rfkill); |
| 594 | |
| 595 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", |
| 596 | priv->isr_stats.ctkill); |
| 597 | |
| 598 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", |
| 599 | priv->isr_stats.wakeup); |
| 600 | |
| 601 | pos += scnprintf(buf + pos, bufsz - pos, |
| 602 | "Rx command responses:\t\t %u\n", |
| 603 | priv->isr_stats.rx); |
| 604 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { |
| 605 | if (priv->isr_stats.rx_handlers[cnt] > 0) |
| 606 | pos += scnprintf(buf + pos, bufsz - pos, |
| 607 | "\tRx handler[%36s]:\t\t %u\n", |
| 608 | get_cmd_string(cnt), |
| 609 | priv->isr_stats.rx_handlers[cnt]); |
| 610 | } |
| 611 | |
| 612 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", |
| 613 | priv->isr_stats.tx); |
| 614 | |
| 615 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", |
| 616 | priv->isr_stats.unhandled); |
| 617 | |
| 618 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 619 | kfree(buf); |
| 620 | return ret; |
| 621 | } |
| 622 | |
| 623 | static ssize_t iwl_dbgfs_interrupt_write(struct file *file, |
| 624 | const char __user *user_buf, |
| 625 | size_t count, loff_t *ppos) |
| 626 | { |
| 627 | struct iwl_priv *priv = file->private_data; |
| 628 | char buf[8]; |
| 629 | int buf_size; |
| 630 | u32 reset_flag; |
| 631 | |
| 632 | memset(buf, 0, sizeof(buf)); |
| 633 | buf_size = min(count, sizeof(buf) - 1); |
| 634 | if (copy_from_user(buf, user_buf, buf_size)) |
| 635 | return -EFAULT; |
| 636 | if (sscanf(buf, "%x", &reset_flag) != 1) |
| 637 | return -EFAULT; |
| 638 | if (reset_flag == 0) |
| 639 | iwl_clear_isr_stats(priv); |
| 640 | |
| 641 | return count; |
| 642 | } |
| 643 | |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 644 | static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, |
| 645 | size_t count, loff_t *ppos) |
| 646 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 647 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 648 | int pos = 0, i; |
| 649 | char buf[256]; |
| 650 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 651 | |
| 652 | for (i = 0; i < AC_NUM; i++) { |
| 653 | pos += scnprintf(buf + pos, bufsz - pos, |
| 654 | "\tcw_min\tcw_max\taifsn\ttxop\n"); |
| 655 | pos += scnprintf(buf + pos, bufsz - pos, |
| 656 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, |
| 657 | priv->qos_data.def_qos_parm.ac[i].cw_min, |
| 658 | priv->qos_data.def_qos_parm.ac[i].cw_max, |
| 659 | priv->qos_data.def_qos_parm.ac[i].aifsn, |
| 660 | priv->qos_data.def_qos_parm.ac[i].edca_txop); |
| 661 | } |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 662 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 663 | } |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 664 | |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 665 | static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, |
| 666 | size_t count, loff_t *ppos) |
| 667 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 668 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 669 | int pos = 0; |
| 670 | char buf[256]; |
| 671 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 672 | |
| 673 | pos += scnprintf(buf + pos, bufsz - pos, |
| 674 | "allow blinking: %s\n", |
| 675 | (priv->allow_blinking) ? "True" : "False"); |
| 676 | if (priv->allow_blinking) { |
| 677 | pos += scnprintf(buf + pos, bufsz - pos, |
| 678 | "Led blinking rate: %u\n", |
| 679 | priv->last_blink_rate); |
| 680 | pos += scnprintf(buf + pos, bufsz - pos, |
| 681 | "Last blink time: %lu\n", |
| 682 | priv->last_blink_time); |
| 683 | } |
| 684 | |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 685 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 686 | } |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 687 | |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 688 | static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, |
| 689 | char __user *user_buf, |
| 690 | size_t count, loff_t *ppos) |
| 691 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 692 | struct iwl_priv *priv = file->private_data; |
Johannes Berg | 3ad3b92 | 2009-08-07 15:41:48 -0700 | [diff] [blame] | 693 | struct iwl_tt_mgmt *tt = &priv->thermal_throttle; |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 694 | struct iwl_tt_restriction *restriction; |
| 695 | char buf[100]; |
| 696 | int pos = 0; |
| 697 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 698 | |
| 699 | pos += scnprintf(buf + pos, bufsz - pos, |
| 700 | "Thermal Throttling Mode: %s\n", |
Johannes Berg | 3ad3b92 | 2009-08-07 15:41:48 -0700 | [diff] [blame] | 701 | tt->advanced_tt ? "Advance" : "Legacy"); |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 702 | pos += scnprintf(buf + pos, bufsz - pos, |
| 703 | "Thermal Throttling State: %d\n", |
| 704 | tt->state); |
Johannes Berg | 3ad3b92 | 2009-08-07 15:41:48 -0700 | [diff] [blame] | 705 | if (tt->advanced_tt) { |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 706 | restriction = tt->restriction + tt->state; |
| 707 | pos += scnprintf(buf + pos, bufsz - pos, |
| 708 | "Tx mode: %d\n", |
| 709 | restriction->tx_stream); |
| 710 | pos += scnprintf(buf + pos, bufsz - pos, |
| 711 | "Rx mode: %d\n", |
| 712 | restriction->rx_stream); |
| 713 | pos += scnprintf(buf + pos, bufsz - pos, |
| 714 | "HT mode: %d\n", |
| 715 | restriction->is_ht); |
| 716 | } |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 717 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 718 | } |
| 719 | |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 720 | static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, |
| 721 | const char __user *user_buf, |
| 722 | size_t count, loff_t *ppos) |
| 723 | { |
| 724 | struct iwl_priv *priv = file->private_data; |
| 725 | char buf[8]; |
| 726 | int buf_size; |
| 727 | int ht40; |
| 728 | |
| 729 | memset(buf, 0, sizeof(buf)); |
| 730 | buf_size = min(count, sizeof(buf) - 1); |
| 731 | if (copy_from_user(buf, user_buf, buf_size)) |
| 732 | return -EFAULT; |
| 733 | if (sscanf(buf, "%d", &ht40) != 1) |
| 734 | return -EFAULT; |
| 735 | if (!iwl_is_associated(priv)) |
| 736 | priv->disable_ht40 = ht40 ? true : false; |
| 737 | else { |
| 738 | IWL_ERR(priv, "Sta associated with AP - " |
| 739 | "Change to 40MHz channel support is not allowed\n"); |
| 740 | return -EINVAL; |
| 741 | } |
| 742 | |
| 743 | return count; |
| 744 | } |
| 745 | |
| 746 | static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, |
| 747 | char __user *user_buf, |
| 748 | size_t count, loff_t *ppos) |
| 749 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 750 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 751 | char buf[100]; |
| 752 | int pos = 0; |
| 753 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 754 | |
| 755 | pos += scnprintf(buf + pos, bufsz - pos, |
| 756 | "11n 40MHz Mode: %s\n", |
| 757 | priv->disable_ht40 ? "Disabled" : "Enabled"); |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 758 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 759 | } |
| 760 | |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 761 | static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, |
| 762 | const char __user *user_buf, |
| 763 | size_t count, loff_t *ppos) |
| 764 | { |
| 765 | struct iwl_priv *priv = file->private_data; |
| 766 | char buf[8]; |
| 767 | int buf_size; |
| 768 | int value; |
| 769 | |
| 770 | memset(buf, 0, sizeof(buf)); |
| 771 | buf_size = min(count, sizeof(buf) - 1); |
| 772 | if (copy_from_user(buf, user_buf, buf_size)) |
| 773 | return -EFAULT; |
| 774 | |
| 775 | if (sscanf(buf, "%d", &value) != 1) |
| 776 | return -EINVAL; |
| 777 | |
| 778 | /* |
| 779 | * Our users expect 0 to be "CAM", but 0 isn't actually |
| 780 | * valid here. However, let's not confuse them and present |
| 781 | * IWL_POWER_INDEX_1 as "1", not "0". |
| 782 | */ |
Reinette Chatre | 1a34c04 | 2009-10-09 13:20:25 -0700 | [diff] [blame] | 783 | if (value == 0) |
| 784 | return -EINVAL; |
| 785 | else if (value > 0) |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 786 | value -= 1; |
| 787 | |
| 788 | if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) |
| 789 | return -EINVAL; |
| 790 | |
Wey-Yi Guy | 4ad177b | 2009-10-16 14:25:58 -0700 | [diff] [blame] | 791 | if (!iwl_is_ready_rf(priv)) |
| 792 | return -EAGAIN; |
| 793 | |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 794 | priv->power_data.debug_sleep_level_override = value; |
| 795 | |
Reinette Chatre | d3a5719 | 2010-01-21 11:52:28 -0800 | [diff] [blame] | 796 | mutex_lock(&priv->mutex); |
Wey-Yi Guy | 4ad177b | 2009-10-16 14:25:58 -0700 | [diff] [blame] | 797 | iwl_power_update_mode(priv, true); |
Reinette Chatre | d3a5719 | 2010-01-21 11:52:28 -0800 | [diff] [blame] | 798 | mutex_unlock(&priv->mutex); |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 799 | |
| 800 | return count; |
| 801 | } |
| 802 | |
| 803 | static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, |
| 804 | char __user *user_buf, |
| 805 | size_t count, loff_t *ppos) |
| 806 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 807 | struct iwl_priv *priv = file->private_data; |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 808 | char buf[10]; |
| 809 | int pos, value; |
| 810 | const size_t bufsz = sizeof(buf); |
| 811 | |
| 812 | /* see the write function */ |
| 813 | value = priv->power_data.debug_sleep_level_override; |
| 814 | if (value >= 0) |
| 815 | value += 1; |
| 816 | |
| 817 | pos = scnprintf(buf, bufsz, "%d\n", value); |
| 818 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 819 | } |
| 820 | |
| 821 | static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, |
| 822 | char __user *user_buf, |
| 823 | size_t count, loff_t *ppos) |
| 824 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 825 | struct iwl_priv *priv = file->private_data; |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 826 | char buf[200]; |
| 827 | int pos = 0, i; |
| 828 | const size_t bufsz = sizeof(buf); |
| 829 | struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; |
| 830 | |
| 831 | pos += scnprintf(buf + pos, bufsz - pos, |
| 832 | "flags: %#.2x\n", le16_to_cpu(cmd->flags)); |
| 833 | pos += scnprintf(buf + pos, bufsz - pos, |
| 834 | "RX/TX timeout: %d/%d usec\n", |
| 835 | le32_to_cpu(cmd->rx_data_timeout), |
| 836 | le32_to_cpu(cmd->tx_data_timeout)); |
| 837 | for (i = 0; i < IWL_POWER_VEC_SIZE; i++) |
| 838 | pos += scnprintf(buf + pos, bufsz - pos, |
| 839 | "sleep_interval[%d]: %d\n", i, |
| 840 | le32_to_cpu(cmd->sleep_interval[i])); |
| 841 | |
| 842 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 843 | } |
| 844 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 845 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 846 | DEBUGFS_READ_WRITE_FILE_OPS(log_event); |
Wey-Yi Guy | 0848e29 | 2009-05-22 11:01:46 -0700 | [diff] [blame] | 847 | DEBUGFS_READ_FILE_OPS(nvm); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 848 | DEBUGFS_READ_FILE_OPS(stations); |
Winkler, Tomas | d366df5 | 2008-12-02 12:14:01 -0800 | [diff] [blame] | 849 | DEBUGFS_READ_FILE_OPS(channels); |
Wey-Yi Guy | 08df05a | 2009-03-24 10:02:54 -0700 | [diff] [blame] | 850 | DEBUGFS_READ_FILE_OPS(status); |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 851 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
Wey-Yi Guy | f5ad69f | 2009-07-09 10:33:36 -0700 | [diff] [blame] | 852 | DEBUGFS_READ_FILE_OPS(qos); |
Wey-Yi Guy | a283c01 | 2009-07-17 09:30:19 -0700 | [diff] [blame] | 853 | DEBUGFS_READ_FILE_OPS(led); |
Wey-Yi Guy | fbf3a2a | 2009-07-24 11:13:04 -0700 | [diff] [blame] | 854 | DEBUGFS_READ_FILE_OPS(thermal_throttling); |
Wey-Yi Guy | 1e4247d | 2009-07-27 13:50:15 -0700 | [diff] [blame] | 855 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); |
Johannes Berg | e312c24 | 2009-08-07 15:41:51 -0700 | [diff] [blame] | 856 | DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); |
| 857 | DEBUGFS_READ_FILE_OPS(current_sleep_command); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 858 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 859 | static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, |
| 860 | char __user *user_buf, |
| 861 | size_t count, loff_t *ppos) |
| 862 | { |
| 863 | struct iwl_priv *priv = file->private_data; |
| 864 | int pos = 0, ofs = 0; |
| 865 | int cnt = 0, entry; |
| 866 | struct iwl_tx_queue *txq; |
| 867 | struct iwl_queue *q; |
| 868 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 869 | char *buf; |
| 870 | int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + |
Wey-Yi Guy | 88804e2 | 2009-10-09 13:20:28 -0700 | [diff] [blame] | 871 | (priv->cfg->num_of_queues * 32 * 8) + 400; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 872 | const u8 *ptr; |
| 873 | ssize_t ret; |
| 874 | |
Wey-Yi Guy | 88804e2 | 2009-10-09 13:20:28 -0700 | [diff] [blame] | 875 | if (!priv->txq) { |
| 876 | IWL_ERR(priv, "txq not ready\n"); |
| 877 | return -EAGAIN; |
| 878 | } |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 879 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 880 | if (!buf) { |
| 881 | IWL_ERR(priv, "Can not allocate buffer\n"); |
| 882 | return -ENOMEM; |
| 883 | } |
| 884 | pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); |
| 885 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { |
| 886 | txq = &priv->txq[cnt]; |
| 887 | q = &txq->q; |
| 888 | pos += scnprintf(buf + pos, bufsz - pos, |
| 889 | "q[%d]: read_ptr: %u, write_ptr: %u\n", |
| 890 | cnt, q->read_ptr, q->write_ptr); |
| 891 | } |
| 892 | if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { |
| 893 | ptr = priv->tx_traffic; |
| 894 | pos += scnprintf(buf + pos, bufsz - pos, |
| 895 | "Tx Traffic idx: %u\n", priv->tx_traffic_idx); |
| 896 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 897 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 898 | entry++, ofs += 16) { |
| 899 | pos += scnprintf(buf + pos, bufsz - pos, |
| 900 | "0x%.4x ", ofs); |
| 901 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 902 | buf + pos, bufsz - pos, 0); |
Reinette Chatre | 2fac971 | 2009-09-25 14:24:21 -0700 | [diff] [blame] | 903 | pos += strlen(buf + pos); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 904 | if (bufsz - pos > 0) |
| 905 | buf[pos++] = '\n'; |
| 906 | } |
| 907 | } |
| 908 | } |
| 909 | |
| 910 | pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); |
| 911 | pos += scnprintf(buf + pos, bufsz - pos, |
| 912 | "read: %u, write: %u\n", |
| 913 | rxq->read, rxq->write); |
| 914 | |
| 915 | if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { |
| 916 | ptr = priv->rx_traffic; |
| 917 | pos += scnprintf(buf + pos, bufsz - pos, |
| 918 | "Rx Traffic idx: %u\n", priv->rx_traffic_idx); |
| 919 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { |
| 920 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; |
| 921 | entry++, ofs += 16) { |
| 922 | pos += scnprintf(buf + pos, bufsz - pos, |
| 923 | "0x%.4x ", ofs); |
| 924 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, |
| 925 | buf + pos, bufsz - pos, 0); |
Reinette Chatre | 2fac971 | 2009-09-25 14:24:21 -0700 | [diff] [blame] | 926 | pos += strlen(buf + pos); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 927 | if (bufsz - pos > 0) |
| 928 | buf[pos++] = '\n'; |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 934 | kfree(buf); |
| 935 | return ret; |
| 936 | } |
| 937 | |
| 938 | static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, |
| 939 | const char __user *user_buf, |
| 940 | size_t count, loff_t *ppos) |
| 941 | { |
| 942 | struct iwl_priv *priv = file->private_data; |
| 943 | char buf[8]; |
| 944 | int buf_size; |
| 945 | int traffic_log; |
| 946 | |
| 947 | memset(buf, 0, sizeof(buf)); |
| 948 | buf_size = min(count, sizeof(buf) - 1); |
| 949 | if (copy_from_user(buf, user_buf, buf_size)) |
| 950 | return -EFAULT; |
| 951 | if (sscanf(buf, "%d", &traffic_log) != 1) |
| 952 | return -EFAULT; |
| 953 | if (traffic_log == 0) |
| 954 | iwl_reset_traffic_log(priv); |
| 955 | |
| 956 | return count; |
| 957 | } |
| 958 | |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 959 | static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, |
| 960 | char __user *user_buf, |
| 961 | size_t count, loff_t *ppos) { |
| 962 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 963 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 964 | struct iwl_tx_queue *txq; |
| 965 | struct iwl_queue *q; |
| 966 | char *buf; |
| 967 | int pos = 0; |
| 968 | int cnt; |
| 969 | int ret; |
Wey-Yi Guy | d23db55 | 2009-11-20 12:04:59 -0800 | [diff] [blame] | 970 | const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 971 | |
Wey-Yi Guy | 88804e2 | 2009-10-09 13:20:28 -0700 | [diff] [blame] | 972 | if (!priv->txq) { |
| 973 | IWL_ERR(priv, "txq not ready\n"); |
| 974 | return -EAGAIN; |
| 975 | } |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 976 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 977 | if (!buf) |
| 978 | return -ENOMEM; |
| 979 | |
| 980 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { |
| 981 | txq = &priv->txq[cnt]; |
| 982 | q = &txq->q; |
| 983 | pos += scnprintf(buf + pos, bufsz - pos, |
| 984 | "hwq %.2d: read=%u write=%u stop=%d" |
| 985 | " swq_id=%#.2x (ac %d/hwq %d)\n", |
| 986 | cnt, q->read_ptr, q->write_ptr, |
| 987 | !!test_bit(cnt, priv->queue_stopped), |
| 988 | txq->swq_id, |
| 989 | txq->swq_id & 0x80 ? txq->swq_id & 3 : |
| 990 | txq->swq_id, |
| 991 | txq->swq_id & 0x80 ? (txq->swq_id >> 2) & |
| 992 | 0x1f : txq->swq_id); |
| 993 | if (cnt >= 4) |
| 994 | continue; |
| 995 | /* for the ACs, display the stop count too */ |
| 996 | pos += scnprintf(buf + pos, bufsz - pos, |
| 997 | " stop-count: %d\n", |
| 998 | atomic_read(&priv->queue_stop_count[cnt])); |
| 999 | } |
| 1000 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1001 | kfree(buf); |
| 1002 | return ret; |
| 1003 | } |
| 1004 | |
| 1005 | static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, |
| 1006 | char __user *user_buf, |
| 1007 | size_t count, loff_t *ppos) { |
| 1008 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1009 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 1010 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 1011 | char buf[256]; |
| 1012 | int pos = 0; |
| 1013 | const size_t bufsz = sizeof(buf); |
| 1014 | |
| 1015 | pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", |
| 1016 | rxq->read); |
| 1017 | pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", |
| 1018 | rxq->write); |
| 1019 | pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", |
| 1020 | rxq->free_count); |
Dor Shaish | f5cc6a2 | 2010-06-01 00:04:08 -0700 | [diff] [blame] | 1021 | if (rxq->rb_stts) { |
| 1022 | pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 1023 | le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); |
Dor Shaish | f5cc6a2 | 2010-06-01 00:04:08 -0700 | [diff] [blame] | 1024 | } else { |
| 1025 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1026 | "closed_rb_num: Not Allocated\n"); |
| 1027 | } |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 1028 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1029 | } |
| 1030 | |
Wey-Yi Guy | e8fe59a | 2009-08-07 15:41:42 -0700 | [diff] [blame] | 1031 | static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, |
| 1032 | char __user *user_buf, |
| 1033 | size_t count, loff_t *ppos) |
| 1034 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1035 | struct iwl_priv *priv = file->private_data; |
Abhijeet Kolekar | 17f36fc | 2010-04-16 10:03:54 -0700 | [diff] [blame] | 1036 | return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file, |
| 1037 | user_buf, count, ppos); |
Wey-Yi Guy | e8fe59a | 2009-08-07 15:41:42 -0700 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, |
| 1041 | char __user *user_buf, |
| 1042 | size_t count, loff_t *ppos) |
| 1043 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1044 | struct iwl_priv *priv = file->private_data; |
Abhijeet Kolekar | 17f36fc | 2010-04-16 10:03:54 -0700 | [diff] [blame] | 1045 | return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file, |
| 1046 | user_buf, count, ppos); |
Wey-Yi Guy | e8fe59a | 2009-08-07 15:41:42 -0700 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, |
| 1050 | char __user *user_buf, |
| 1051 | size_t count, loff_t *ppos) |
| 1052 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1053 | struct iwl_priv *priv = file->private_data; |
Abhijeet Kolekar | 17f36fc | 2010-04-16 10:03:54 -0700 | [diff] [blame] | 1054 | return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file, |
| 1055 | user_buf, count, ppos); |
Wey-Yi Guy | e8fe59a | 2009-08-07 15:41:42 -0700 | [diff] [blame] | 1056 | } |
| 1057 | |
Wey-Yi Guy | 5225935 | 2009-08-07 15:41:43 -0700 | [diff] [blame] | 1058 | static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, |
| 1059 | char __user *user_buf, |
| 1060 | size_t count, loff_t *ppos) { |
| 1061 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1062 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 5225935 | 2009-08-07 15:41:43 -0700 | [diff] [blame] | 1063 | int pos = 0; |
| 1064 | int cnt = 0; |
| 1065 | char *buf; |
| 1066 | int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; |
| 1067 | ssize_t ret; |
| 1068 | struct iwl_sensitivity_data *data; |
| 1069 | |
| 1070 | data = &priv->sensitivity_data; |
| 1071 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 1072 | if (!buf) { |
| 1073 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 1074 | return -ENOMEM; |
| 1075 | } |
| 1076 | |
| 1077 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", |
| 1078 | data->auto_corr_ofdm); |
| 1079 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1080 | "auto_corr_ofdm_mrc:\t\t %u\n", |
| 1081 | data->auto_corr_ofdm_mrc); |
| 1082 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", |
| 1083 | data->auto_corr_ofdm_x1); |
| 1084 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1085 | "auto_corr_ofdm_mrc_x1:\t\t %u\n", |
| 1086 | data->auto_corr_ofdm_mrc_x1); |
| 1087 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", |
| 1088 | data->auto_corr_cck); |
| 1089 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", |
| 1090 | data->auto_corr_cck_mrc); |
| 1091 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1092 | "last_bad_plcp_cnt_ofdm:\t\t %u\n", |
| 1093 | data->last_bad_plcp_cnt_ofdm); |
| 1094 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", |
| 1095 | data->last_fa_cnt_ofdm); |
| 1096 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1097 | "last_bad_plcp_cnt_cck:\t\t %u\n", |
| 1098 | data->last_bad_plcp_cnt_cck); |
| 1099 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", |
| 1100 | data->last_fa_cnt_cck); |
| 1101 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", |
| 1102 | data->nrg_curr_state); |
| 1103 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", |
| 1104 | data->nrg_prev_state); |
| 1105 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); |
| 1106 | for (cnt = 0; cnt < 10; cnt++) { |
| 1107 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 1108 | data->nrg_value[cnt]); |
| 1109 | } |
| 1110 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 1111 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); |
| 1112 | for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { |
| 1113 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 1114 | data->nrg_silence_rssi[cnt]); |
| 1115 | } |
| 1116 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 1117 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", |
| 1118 | data->nrg_silence_ref); |
| 1119 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", |
| 1120 | data->nrg_energy_idx); |
| 1121 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", |
| 1122 | data->nrg_silence_idx); |
| 1123 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", |
| 1124 | data->nrg_th_cck); |
| 1125 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1126 | "nrg_auto_corr_silence_diff:\t %u\n", |
| 1127 | data->nrg_auto_corr_silence_diff); |
| 1128 | pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", |
| 1129 | data->num_in_cck_no_fa); |
| 1130 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", |
| 1131 | data->nrg_th_ofdm); |
| 1132 | |
| 1133 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1134 | kfree(buf); |
| 1135 | return ret; |
| 1136 | } |
| 1137 | |
| 1138 | |
| 1139 | static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, |
| 1140 | char __user *user_buf, |
| 1141 | size_t count, loff_t *ppos) { |
| 1142 | |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1143 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | 5225935 | 2009-08-07 15:41:43 -0700 | [diff] [blame] | 1144 | int pos = 0; |
| 1145 | int cnt = 0; |
| 1146 | char *buf; |
| 1147 | int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; |
| 1148 | ssize_t ret; |
| 1149 | struct iwl_chain_noise_data *data; |
| 1150 | |
| 1151 | data = &priv->chain_noise_data; |
| 1152 | buf = kzalloc(bufsz, GFP_KERNEL); |
| 1153 | if (!buf) { |
| 1154 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
| 1155 | return -ENOMEM; |
| 1156 | } |
| 1157 | |
| 1158 | pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", |
| 1159 | data->active_chains); |
| 1160 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", |
| 1161 | data->chain_noise_a); |
| 1162 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", |
| 1163 | data->chain_noise_b); |
| 1164 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", |
| 1165 | data->chain_noise_c); |
| 1166 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", |
| 1167 | data->chain_signal_a); |
| 1168 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", |
| 1169 | data->chain_signal_b); |
| 1170 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", |
| 1171 | data->chain_signal_c); |
| 1172 | pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", |
| 1173 | data->beacon_count); |
| 1174 | |
| 1175 | pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); |
| 1176 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { |
| 1177 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 1178 | data->disconn_array[cnt]); |
| 1179 | } |
| 1180 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 1181 | pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); |
| 1182 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { |
| 1183 | pos += scnprintf(buf + pos, bufsz - pos, " %u", |
| 1184 | data->delta_gain_code[cnt]); |
| 1185 | } |
| 1186 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
| 1187 | pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", |
| 1188 | data->radio_write); |
| 1189 | pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", |
| 1190 | data->state); |
| 1191 | |
| 1192 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1193 | kfree(buf); |
| 1194 | return ret; |
| 1195 | } |
| 1196 | |
Wey-Yi Guy | c09430a | 2009-10-16 14:25:50 -0700 | [diff] [blame] | 1197 | static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, |
| 1198 | char __user *user_buf, |
| 1199 | size_t count, loff_t *ppos) |
| 1200 | { |
H Hartley Sweeten | 28f63a4 | 2010-01-08 16:14:10 -0700 | [diff] [blame] | 1201 | struct iwl_priv *priv = file->private_data; |
Wey-Yi Guy | c09430a | 2009-10-16 14:25:50 -0700 | [diff] [blame] | 1202 | char buf[60]; |
| 1203 | int pos = 0; |
| 1204 | const size_t bufsz = sizeof(buf); |
| 1205 | u32 pwrsave_status; |
| 1206 | |
| 1207 | pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & |
| 1208 | CSR_GP_REG_POWER_SAVE_STATUS_MSK; |
| 1209 | |
| 1210 | pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); |
| 1211 | pos += scnprintf(buf + pos, bufsz - pos, "%s\n", |
| 1212 | (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : |
| 1213 | (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : |
| 1214 | (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : |
| 1215 | "error"); |
| 1216 | |
| 1217 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1218 | } |
| 1219 | |
Wey-Yi Guy | 7163b8a | 2009-11-20 12:04:56 -0800 | [diff] [blame] | 1220 | static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 1221 | const char __user *user_buf, |
| 1222 | size_t count, loff_t *ppos) |
| 1223 | { |
| 1224 | struct iwl_priv *priv = file->private_data; |
| 1225 | char buf[8]; |
| 1226 | int buf_size; |
| 1227 | int clear; |
| 1228 | |
| 1229 | memset(buf, 0, sizeof(buf)); |
| 1230 | buf_size = min(count, sizeof(buf) - 1); |
| 1231 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1232 | return -EFAULT; |
| 1233 | if (sscanf(buf, "%d", &clear) != 1) |
| 1234 | return -EFAULT; |
| 1235 | |
| 1236 | /* make request to uCode to retrieve statistics information */ |
| 1237 | mutex_lock(&priv->mutex); |
| 1238 | iwl_send_statistics_request(priv, CMD_SYNC, true); |
| 1239 | mutex_unlock(&priv->mutex); |
| 1240 | |
| 1241 | return count; |
| 1242 | } |
| 1243 | |
Wey-Yi Guy | 696bdee | 2009-12-10 14:37:25 -0800 | [diff] [blame] | 1244 | static ssize_t iwl_dbgfs_csr_write(struct file *file, |
| 1245 | const char __user *user_buf, |
| 1246 | size_t count, loff_t *ppos) |
| 1247 | { |
| 1248 | struct iwl_priv *priv = file->private_data; |
| 1249 | char buf[8]; |
| 1250 | int buf_size; |
| 1251 | int csr; |
| 1252 | |
| 1253 | memset(buf, 0, sizeof(buf)); |
| 1254 | buf_size = min(count, sizeof(buf) - 1); |
| 1255 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1256 | return -EFAULT; |
| 1257 | if (sscanf(buf, "%d", &csr) != 1) |
| 1258 | return -EFAULT; |
| 1259 | |
| 1260 | if (priv->cfg->ops->lib->dump_csr) |
| 1261 | priv->cfg->ops->lib->dump_csr(priv); |
| 1262 | |
| 1263 | return count; |
| 1264 | } |
| 1265 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1266 | static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, |
| 1267 | char __user *user_buf, |
| 1268 | size_t count, loff_t *ppos) { |
| 1269 | |
| 1270 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 1271 | int pos = 0; |
| 1272 | char buf[128]; |
| 1273 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1274 | |
| 1275 | pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", |
| 1276 | priv->event_log.ucode_trace ? "On" : "Off"); |
| 1277 | pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", |
| 1278 | priv->event_log.non_wraps_count); |
| 1279 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", |
| 1280 | priv->event_log.wraps_once_count); |
| 1281 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", |
| 1282 | priv->event_log.wraps_more_count); |
| 1283 | |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 1284 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, |
| 1288 | const char __user *user_buf, |
| 1289 | size_t count, loff_t *ppos) |
| 1290 | { |
| 1291 | struct iwl_priv *priv = file->private_data; |
| 1292 | char buf[8]; |
| 1293 | int buf_size; |
| 1294 | int trace; |
| 1295 | |
| 1296 | memset(buf, 0, sizeof(buf)); |
| 1297 | buf_size = min(count, sizeof(buf) - 1); |
| 1298 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1299 | return -EFAULT; |
| 1300 | if (sscanf(buf, "%d", &trace) != 1) |
| 1301 | return -EFAULT; |
| 1302 | |
| 1303 | if (trace) { |
| 1304 | priv->event_log.ucode_trace = true; |
| 1305 | /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ |
| 1306 | mod_timer(&priv->ucode_trace, |
| 1307 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 1308 | } else { |
| 1309 | priv->event_log.ucode_trace = false; |
| 1310 | del_timer_sync(&priv->ucode_trace); |
| 1311 | } |
| 1312 | |
| 1313 | return count; |
| 1314 | } |
| 1315 | |
Johannes Berg | 6098720 | 2010-02-18 00:36:07 -0800 | [diff] [blame] | 1316 | static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, |
| 1317 | char __user *user_buf, |
| 1318 | size_t count, loff_t *ppos) { |
| 1319 | |
| 1320 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 1321 | int len = 0; |
| 1322 | char buf[20]; |
| 1323 | |
| 1324 | len = sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.flags)); |
| 1325 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 1326 | } |
| 1327 | |
| 1328 | static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, |
| 1329 | char __user *user_buf, |
| 1330 | size_t count, loff_t *ppos) { |
| 1331 | |
| 1332 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 1333 | int len = 0; |
| 1334 | char buf[20]; |
| 1335 | |
| 1336 | len = sprintf(buf, "0x%04X\n", |
| 1337 | le32_to_cpu(priv->active_rxon.filter_flags)); |
| 1338 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 1339 | } |
| 1340 | |
Wey-Yi Guy | 1b3eb82 | 2010-01-15 13:43:39 -0800 | [diff] [blame] | 1341 | static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, |
| 1342 | char __user *user_buf, |
| 1343 | size_t count, loff_t *ppos) |
| 1344 | { |
| 1345 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 1346 | char *buf; |
| 1347 | int pos = 0; |
| 1348 | ssize_t ret = -EFAULT; |
| 1349 | |
| 1350 | if (priv->cfg->ops->lib->dump_fh) { |
| 1351 | ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); |
| 1352 | if (buf) { |
| 1353 | ret = simple_read_from_buffer(user_buf, |
| 1354 | count, ppos, buf, pos); |
| 1355 | kfree(buf); |
| 1356 | } |
| 1357 | } |
| 1358 | |
| 1359 | return ret; |
| 1360 | } |
| 1361 | |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1362 | static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, |
| 1363 | char __user *user_buf, |
| 1364 | size_t count, loff_t *ppos) { |
| 1365 | |
| 1366 | struct iwl_priv *priv = file->private_data; |
| 1367 | int pos = 0; |
| 1368 | char buf[12]; |
| 1369 | const size_t bufsz = sizeof(buf); |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1370 | |
| 1371 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", |
| 1372 | priv->missed_beacon_threshold); |
| 1373 | |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 1374 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1375 | } |
| 1376 | |
| 1377 | static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, |
| 1378 | const char __user *user_buf, |
| 1379 | size_t count, loff_t *ppos) |
| 1380 | { |
| 1381 | struct iwl_priv *priv = file->private_data; |
| 1382 | char buf[8]; |
| 1383 | int buf_size; |
| 1384 | int missed; |
| 1385 | |
| 1386 | memset(buf, 0, sizeof(buf)); |
| 1387 | buf_size = min(count, sizeof(buf) - 1); |
| 1388 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1389 | return -EFAULT; |
| 1390 | if (sscanf(buf, "%d", &missed) != 1) |
| 1391 | return -EINVAL; |
| 1392 | |
| 1393 | if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || |
| 1394 | missed > IWL_MISSED_BEACON_THRESHOLD_MAX) |
| 1395 | priv->missed_beacon_threshold = |
| 1396 | IWL_MISSED_BEACON_THRESHOLD_DEF; |
| 1397 | else |
| 1398 | priv->missed_beacon_threshold = missed; |
| 1399 | |
| 1400 | return count; |
| 1401 | } |
| 1402 | |
Trieu 'Andrew' Nguyen | 3e4fb5f | 2010-01-22 14:22:46 -0800 | [diff] [blame] | 1403 | static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, |
| 1404 | char __user *user_buf, |
| 1405 | size_t count, loff_t *ppos) { |
| 1406 | |
| 1407 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; |
| 1408 | int pos = 0; |
| 1409 | char buf[12]; |
| 1410 | const size_t bufsz = sizeof(buf); |
Trieu 'Andrew' Nguyen | 3e4fb5f | 2010-01-22 14:22:46 -0800 | [diff] [blame] | 1411 | |
| 1412 | pos += scnprintf(buf + pos, bufsz - pos, "%u\n", |
| 1413 | priv->cfg->plcp_delta_threshold); |
| 1414 | |
Wey-Yi Guy | 4967c31 | 2010-02-18 15:22:07 -0800 | [diff] [blame] | 1415 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
Trieu 'Andrew' Nguyen | 3e4fb5f | 2010-01-22 14:22:46 -0800 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, |
| 1419 | const char __user *user_buf, |
| 1420 | size_t count, loff_t *ppos) { |
| 1421 | |
| 1422 | struct iwl_priv *priv = file->private_data; |
| 1423 | char buf[8]; |
| 1424 | int buf_size; |
| 1425 | int plcp; |
| 1426 | |
| 1427 | memset(buf, 0, sizeof(buf)); |
| 1428 | buf_size = min(count, sizeof(buf) - 1); |
| 1429 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1430 | return -EFAULT; |
| 1431 | if (sscanf(buf, "%d", &plcp) != 1) |
| 1432 | return -EINVAL; |
| 1433 | if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || |
| 1434 | (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) |
| 1435 | priv->cfg->plcp_delta_threshold = |
| 1436 | IWL_MAX_PLCP_ERR_THRESHOLD_DEF; |
| 1437 | else |
| 1438 | priv->cfg->plcp_delta_threshold = plcp; |
| 1439 | return count; |
| 1440 | } |
| 1441 | |
Wey-Yi Guy | 528c312 | 2010-02-18 22:03:07 -0800 | [diff] [blame] | 1442 | static ssize_t iwl_dbgfs_force_reset_read(struct file *file, |
| 1443 | char __user *user_buf, |
| 1444 | size_t count, loff_t *ppos) { |
| 1445 | |
| 1446 | struct iwl_priv *priv = file->private_data; |
| 1447 | int i, pos = 0; |
| 1448 | char buf[300]; |
| 1449 | const size_t bufsz = sizeof(buf); |
| 1450 | struct iwl_force_reset *force_reset; |
| 1451 | |
| 1452 | for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { |
| 1453 | force_reset = &priv->force_reset[i]; |
| 1454 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1455 | "Force reset method %d\n", i); |
| 1456 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1457 | "\tnumber of reset request: %d\n", |
| 1458 | force_reset->reset_request_count); |
| 1459 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1460 | "\tnumber of reset request success: %d\n", |
| 1461 | force_reset->reset_success_count); |
| 1462 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1463 | "\tnumber of reset request reject: %d\n", |
| 1464 | force_reset->reset_reject_count); |
| 1465 | pos += scnprintf(buf + pos, bufsz - pos, |
| 1466 | "\treset duration: %lu\n", |
| 1467 | force_reset->reset_duration); |
| 1468 | } |
| 1469 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| 1470 | } |
| 1471 | |
Wey-Yi Guy | 04cafd7 | 2010-02-03 11:47:20 -0800 | [diff] [blame] | 1472 | static ssize_t iwl_dbgfs_force_reset_write(struct file *file, |
| 1473 | const char __user *user_buf, |
| 1474 | size_t count, loff_t *ppos) { |
| 1475 | |
| 1476 | struct iwl_priv *priv = file->private_data; |
| 1477 | char buf[8]; |
| 1478 | int buf_size; |
| 1479 | int reset, ret; |
| 1480 | |
| 1481 | memset(buf, 0, sizeof(buf)); |
| 1482 | buf_size = min(count, sizeof(buf) - 1); |
| 1483 | if (copy_from_user(buf, user_buf, buf_size)) |
| 1484 | return -EFAULT; |
| 1485 | if (sscanf(buf, "%d", &reset) != 1) |
| 1486 | return -EINVAL; |
| 1487 | switch (reset) { |
| 1488 | case IWL_RF_RESET: |
| 1489 | case IWL_FW_RESET: |
| 1490 | ret = iwl_force_reset(priv, reset); |
| 1491 | break; |
| 1492 | default: |
| 1493 | return -EINVAL; |
| 1494 | } |
| 1495 | return ret ? ret : count; |
| 1496 | } |
| 1497 | |
Wey-Yi Guy | 7163b8a | 2009-11-20 12:04:56 -0800 | [diff] [blame] | 1498 | DEBUGFS_READ_FILE_OPS(rx_statistics); |
| 1499 | DEBUGFS_READ_FILE_OPS(tx_statistics); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1500 | DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); |
Wey-Yi Guy | 141b03e | 2009-08-07 15:41:41 -0700 | [diff] [blame] | 1501 | DEBUGFS_READ_FILE_OPS(rx_queue); |
| 1502 | DEBUGFS_READ_FILE_OPS(tx_queue); |
Wey-Yi Guy | e8fe59a | 2009-08-07 15:41:42 -0700 | [diff] [blame] | 1503 | DEBUGFS_READ_FILE_OPS(ucode_rx_stats); |
| 1504 | DEBUGFS_READ_FILE_OPS(ucode_tx_stats); |
| 1505 | DEBUGFS_READ_FILE_OPS(ucode_general_stats); |
Wey-Yi Guy | 5225935 | 2009-08-07 15:41:43 -0700 | [diff] [blame] | 1506 | DEBUGFS_READ_FILE_OPS(sensitivity); |
| 1507 | DEBUGFS_READ_FILE_OPS(chain_noise); |
Wey-Yi Guy | c09430a | 2009-10-16 14:25:50 -0700 | [diff] [blame] | 1508 | DEBUGFS_READ_FILE_OPS(power_save_status); |
Wey-Yi Guy | 7163b8a | 2009-11-20 12:04:56 -0800 | [diff] [blame] | 1509 | DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); |
| 1510 | DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); |
Wey-Yi Guy | 696bdee | 2009-12-10 14:37:25 -0800 | [diff] [blame] | 1511 | DEBUGFS_WRITE_FILE_OPS(csr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1512 | DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); |
Wey-Yi Guy | 1b3eb82 | 2010-01-15 13:43:39 -0800 | [diff] [blame] | 1513 | DEBUGFS_READ_FILE_OPS(fh_reg); |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1514 | DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); |
Trieu 'Andrew' Nguyen | 3e4fb5f | 2010-01-22 14:22:46 -0800 | [diff] [blame] | 1515 | DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); |
Wey-Yi Guy | 528c312 | 2010-02-18 22:03:07 -0800 | [diff] [blame] | 1516 | DEBUGFS_READ_WRITE_FILE_OPS(force_reset); |
Johannes Berg | 6098720 | 2010-02-18 00:36:07 -0800 | [diff] [blame] | 1517 | DEBUGFS_READ_FILE_OPS(rxon_flags); |
| 1518 | DEBUGFS_READ_FILE_OPS(rxon_filter_flags); |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1519 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1520 | /* |
| 1521 | * Create the debugfs files and directories |
| 1522 | * |
| 1523 | */ |
| 1524 | int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) |
| 1525 | { |
Zhu Yi | 95b1a82 | 2008-05-29 16:34:50 +0800 | [diff] [blame] | 1526 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1527 | struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1528 | |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1529 | dir_drv = debugfs_create_dir(name, phyd); |
| 1530 | if (!dir_drv) |
| 1531 | return -ENOMEM; |
| 1532 | |
| 1533 | priv->debugfs_dir = dir_drv; |
| 1534 | |
| 1535 | dir_data = debugfs_create_dir("data", dir_drv); |
| 1536 | if (!dir_data) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1537 | goto err; |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1538 | dir_rf = debugfs_create_dir("rf", dir_drv); |
| 1539 | if (!dir_rf) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1540 | goto err; |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1541 | dir_debug = debugfs_create_dir("debug", dir_drv); |
| 1542 | if (!dir_debug) |
| 1543 | goto err; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1544 | |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1545 | DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); |
| 1546 | DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); |
| 1547 | DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); |
| 1548 | DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); |
| 1549 | DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); |
| 1550 | DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); |
| 1551 | DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); |
| 1552 | DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); |
| 1553 | DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); |
Wey-Yi Guy | 381733c | 2010-04-25 09:39:46 -0700 | [diff] [blame] | 1554 | if (!priv->cfg->broken_powersave) { |
| 1555 | DEBUGFS_ADD_FILE(sleep_level_override, dir_data, |
| 1556 | S_IWUSR | S_IRUSR); |
| 1557 | DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); |
| 1558 | } |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1559 | DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); |
| 1560 | DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); |
| 1561 | DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); |
| 1562 | DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); |
| 1563 | DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); |
| 1564 | DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); |
| 1565 | DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1566 | DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); |
| 1567 | DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); |
| 1568 | DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); |
| 1569 | DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); |
| 1570 | DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); |
| 1571 | DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1572 | DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); |
Wey-Yi Guy | 528c312 | 2010-02-18 22:03:07 -0800 | [diff] [blame] | 1573 | DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); |
Abhijeet Kolekar | b8c7626 | 2010-04-08 15:29:07 -0700 | [diff] [blame] | 1574 | DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); |
| 1575 | DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); |
| 1576 | DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); |
| 1577 | |
Wey-Yi Guy | 65d1f89 | 2010-04-25 15:41:43 -0700 | [diff] [blame] | 1578 | if (priv->cfg->sensitivity_calib_by_driver) |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1579 | DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); |
Wey-Yi Guy | 65d1f89 | 2010-04-25 15:41:43 -0700 | [diff] [blame] | 1580 | if (priv->cfg->chain_noise_calib_by_driver) |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1581 | DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); |
Wey-Yi Guy | 6e5c800 | 2010-04-27 14:00:28 -0700 | [diff] [blame] | 1582 | if (priv->cfg->ucode_tracing) |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1583 | DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); |
Johannes Berg | 6098720 | 2010-02-18 00:36:07 -0800 | [diff] [blame] | 1584 | DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); |
| 1585 | DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); |
Wey-Yi Guy | 65d1f89 | 2010-04-25 15:41:43 -0700 | [diff] [blame] | 1586 | if (priv->cfg->sensitivity_calib_by_driver) |
| 1587 | DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, |
| 1588 | &priv->disable_sens_cal); |
| 1589 | if (priv->cfg->chain_noise_calib_by_driver) |
| 1590 | DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, |
| 1591 | &priv->disable_chain_noise_cal); |
Wey-Yi Guy | 4e7033e | 2010-04-27 14:33:33 -0700 | [diff] [blame] | 1592 | if (priv->cfg->tx_power_by_driver) |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1593 | DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, |
Wey-Yi Guy | 030b865 | 2009-06-12 13:22:55 -0700 | [diff] [blame] | 1594 | &priv->disable_tx_power_cal); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1595 | return 0; |
| 1596 | |
| 1597 | err: |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1598 | IWL_ERR(priv, "Can't create the debugfs directory\n"); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1599 | iwl_dbgfs_unregister(priv); |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1600 | return -ENOMEM; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1601 | } |
| 1602 | EXPORT_SYMBOL(iwl_dbgfs_register); |
| 1603 | |
| 1604 | /** |
| 1605 | * Remove the debugfs files and directories |
| 1606 | * |
| 1607 | */ |
| 1608 | void iwl_dbgfs_unregister(struct iwl_priv *priv) |
| 1609 | { |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1610 | if (!priv->debugfs_dir) |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1611 | return; |
| 1612 | |
Johannes Berg | 4c84a8f | 2010-01-22 14:22:54 -0800 | [diff] [blame] | 1613 | debugfs_remove_recursive(priv->debugfs_dir); |
| 1614 | priv->debugfs_dir = NULL; |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 1615 | } |
| 1616 | EXPORT_SYMBOL(iwl_dbgfs_unregister); |
| 1617 | |
| 1618 | |
Tomas Winkler | 445c2df | 2008-05-15 13:54:16 +0800 | [diff] [blame] | 1619 | |