Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1 | /* |
Ivo van Doorn | 4e54c71 | 2009-01-17 20:42:32 +0100 | [diff] [blame] | 2 | Copyright (C) 2004 - 2009 rt2x00 SourceForge Project |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 3 | <http://rt2x00.serialmonkey.com> |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the |
| 17 | Free Software Foundation, Inc., |
| 18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | Module: rt2x00lib |
| 23 | Abstract: rt2x00 debugfs specific routines. |
| 24 | */ |
| 25 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 26 | #include <linux/debugfs.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/module.h> |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 29 | #include <linux/poll.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame^] | 30 | #include <linux/sched.h> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 31 | #include <linux/uaccess.h> |
| 32 | |
| 33 | #include "rt2x00.h" |
| 34 | #include "rt2x00lib.h" |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 35 | #include "rt2x00dump.h" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 36 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 37 | #define MAX_LINE_LENGTH 64 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 38 | |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 39 | struct rt2x00debug_crypto { |
| 40 | unsigned long success; |
| 41 | unsigned long icv_error; |
| 42 | unsigned long mic_error; |
| 43 | unsigned long key_error; |
| 44 | }; |
| 45 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 46 | struct rt2x00debug_intf { |
| 47 | /* |
| 48 | * Pointer to driver structure where |
| 49 | * this debugfs entry belongs to. |
| 50 | */ |
| 51 | struct rt2x00_dev *rt2x00dev; |
| 52 | |
| 53 | /* |
| 54 | * Reference to the rt2x00debug structure |
| 55 | * which can be used to communicate with |
| 56 | * the registers. |
| 57 | */ |
| 58 | const struct rt2x00debug *debug; |
| 59 | |
| 60 | /* |
| 61 | * Debugfs entries for: |
| 62 | * - driver folder |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 63 | * - driver file |
| 64 | * - chipset file |
| 65 | * - device flags file |
| 66 | * - register folder |
| 67 | * - csr offset/value files |
| 68 | * - eeprom offset/value files |
| 69 | * - bbp offset/value files |
| 70 | * - rf offset/value files |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 71 | * - queue folder |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 72 | * - frame dump file |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 73 | * - queue stats file |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 74 | * - crypto stats file |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 75 | */ |
| 76 | struct dentry *driver_folder; |
| 77 | struct dentry *driver_entry; |
| 78 | struct dentry *chipset_entry; |
Ivo van Doorn | 643b252 | 2007-09-25 20:13:51 +0200 | [diff] [blame] | 79 | struct dentry *dev_flags; |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 80 | struct dentry *register_folder; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 81 | struct dentry *csr_off_entry; |
| 82 | struct dentry *csr_val_entry; |
| 83 | struct dentry *eeprom_off_entry; |
| 84 | struct dentry *eeprom_val_entry; |
| 85 | struct dentry *bbp_off_entry; |
| 86 | struct dentry *bbp_val_entry; |
| 87 | struct dentry *rf_off_entry; |
| 88 | struct dentry *rf_val_entry; |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 89 | struct dentry *queue_folder; |
| 90 | struct dentry *queue_frame_dump_entry; |
| 91 | struct dentry *queue_stats_entry; |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 92 | struct dentry *crypto_stats_entry; |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 93 | |
| 94 | /* |
| 95 | * The frame dump file only allows a single reader, |
| 96 | * so we need to store the current state here. |
| 97 | */ |
| 98 | unsigned long frame_dump_flags; |
| 99 | #define FRAME_DUMP_FILE_OPEN 1 |
| 100 | |
| 101 | /* |
| 102 | * We queue each frame before dumping it to the user, |
| 103 | * per read command we will pass a single skb structure |
| 104 | * so we should be prepared to queue multiple sk buffers |
| 105 | * before sending it to userspace. |
| 106 | */ |
| 107 | struct sk_buff_head frame_dump_skbqueue; |
| 108 | wait_queue_head_t frame_dump_waitqueue; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 109 | |
| 110 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 111 | * HW crypto statistics. |
| 112 | * All statistics are stored seperately per cipher type. |
| 113 | */ |
| 114 | struct rt2x00debug_crypto crypto_stats[CIPHER_MAX]; |
| 115 | |
| 116 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 117 | * Driver and chipset files will use a data buffer |
| 118 | * that has been created in advance. This will simplify |
| 119 | * the code since we can use the debugfs functions. |
| 120 | */ |
| 121 | struct debugfs_blob_wrapper driver_blob; |
| 122 | struct debugfs_blob_wrapper chipset_blob; |
| 123 | |
| 124 | /* |
| 125 | * Requested offset for each register type. |
| 126 | */ |
| 127 | unsigned int offset_csr; |
| 128 | unsigned int offset_eeprom; |
| 129 | unsigned int offset_bbp; |
| 130 | unsigned int offset_rf; |
| 131 | }; |
| 132 | |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 133 | void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 84e3196 | 2008-12-20 10:53:29 +0100 | [diff] [blame] | 134 | struct rxdone_entry_desc *rxdesc) |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 135 | { |
| 136 | struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf; |
Ivo van Doorn | 84e3196 | 2008-12-20 10:53:29 +0100 | [diff] [blame] | 137 | enum cipher cipher = rxdesc->cipher; |
| 138 | enum rx_crypto status = rxdesc->cipher_status; |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 139 | |
| 140 | if (cipher == CIPHER_TKIP_NO_MIC) |
| 141 | cipher = CIPHER_TKIP; |
Roel Kluin | a6c6733 | 2009-05-20 02:12:56 +0200 | [diff] [blame] | 142 | if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX) |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 143 | return; |
| 144 | |
| 145 | /* Remove CIPHER_NONE index */ |
| 146 | cipher--; |
| 147 | |
| 148 | intf->crypto_stats[cipher].success += (status == RX_CRYPTO_SUCCESS); |
| 149 | intf->crypto_stats[cipher].icv_error += (status == RX_CRYPTO_FAIL_ICV); |
| 150 | intf->crypto_stats[cipher].mic_error += (status == RX_CRYPTO_FAIL_MIC); |
| 151 | intf->crypto_stats[cipher].key_error += (status == RX_CRYPTO_FAIL_KEY); |
| 152 | } |
| 153 | |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 154 | void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 5a6e599 | 2008-05-10 13:41:32 +0200 | [diff] [blame] | 155 | enum rt2x00_dump_type type, struct sk_buff *skb) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 156 | { |
| 157 | struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 158 | struct skb_frame_desc *desc = get_skb_frame_desc(skb); |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 159 | struct sk_buff *skbcopy; |
| 160 | struct rt2x00dump_hdr *dump_hdr; |
| 161 | struct timeval timestamp; |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 162 | |
| 163 | do_gettimeofday(×tamp); |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 164 | |
| 165 | if (!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)) |
| 166 | return; |
| 167 | |
| 168 | if (skb_queue_len(&intf->frame_dump_skbqueue) > 20) { |
| 169 | DEBUG(rt2x00dev, "txrx dump queue length exceeded.\n"); |
| 170 | return; |
| 171 | } |
| 172 | |
Gertjan van Wingerde | d56d453 | 2008-06-06 22:54:08 +0200 | [diff] [blame] | 173 | skbcopy = alloc_skb(sizeof(*dump_hdr) + desc->desc_len + skb->len, |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 174 | GFP_ATOMIC); |
| 175 | if (!skbcopy) { |
| 176 | DEBUG(rt2x00dev, "Failed to copy skb for dump.\n"); |
| 177 | return; |
| 178 | } |
| 179 | |
| 180 | dump_hdr = (struct rt2x00dump_hdr *)skb_put(skbcopy, sizeof(*dump_hdr)); |
| 181 | dump_hdr->version = cpu_to_le32(DUMP_HEADER_VERSION); |
| 182 | dump_hdr->header_length = cpu_to_le32(sizeof(*dump_hdr)); |
| 183 | dump_hdr->desc_length = cpu_to_le32(desc->desc_len); |
Gertjan van Wingerde | d56d453 | 2008-06-06 22:54:08 +0200 | [diff] [blame] | 184 | dump_hdr->data_length = cpu_to_le32(skb->len); |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 185 | dump_hdr->chip_rt = cpu_to_le16(rt2x00dev->chip.rt); |
| 186 | dump_hdr->chip_rf = cpu_to_le16(rt2x00dev->chip.rf); |
| 187 | dump_hdr->chip_rev = cpu_to_le32(rt2x00dev->chip.rev); |
Ivo van Doorn | 5a6e599 | 2008-05-10 13:41:32 +0200 | [diff] [blame] | 188 | dump_hdr->type = cpu_to_le16(type); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 189 | dump_hdr->queue_index = desc->entry->queue->qid; |
Ivo van Doorn | 0426710 | 2008-01-06 23:39:25 +0100 | [diff] [blame] | 190 | dump_hdr->entry_index = desc->entry->entry_idx; |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 191 | dump_hdr->timestamp_sec = cpu_to_le32(timestamp.tv_sec); |
| 192 | dump_hdr->timestamp_usec = cpu_to_le32(timestamp.tv_usec); |
| 193 | |
| 194 | memcpy(skb_put(skbcopy, desc->desc_len), desc->desc, desc->desc_len); |
Gertjan van Wingerde | d56d453 | 2008-06-06 22:54:08 +0200 | [diff] [blame] | 195 | memcpy(skb_put(skbcopy, skb->len), skb->data, skb->len); |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 196 | |
| 197 | skb_queue_tail(&intf->frame_dump_skbqueue, skbcopy); |
| 198 | wake_up_interruptible(&intf->frame_dump_waitqueue); |
| 199 | |
| 200 | /* |
| 201 | * Verify that the file has not been closed while we were working. |
| 202 | */ |
| 203 | if (!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)) |
| 204 | skb_queue_purge(&intf->frame_dump_skbqueue); |
| 205 | } |
| 206 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 207 | static int rt2x00debug_file_open(struct inode *inode, struct file *file) |
| 208 | { |
| 209 | struct rt2x00debug_intf *intf = inode->i_private; |
| 210 | |
| 211 | file->private_data = inode->i_private; |
| 212 | |
| 213 | if (!try_module_get(intf->debug->owner)) |
| 214 | return -EBUSY; |
| 215 | |
| 216 | return 0; |
| 217 | } |
| 218 | |
| 219 | static int rt2x00debug_file_release(struct inode *inode, struct file *file) |
| 220 | { |
| 221 | struct rt2x00debug_intf *intf = file->private_data; |
| 222 | |
| 223 | module_put(intf->debug->owner); |
| 224 | |
| 225 | return 0; |
| 226 | } |
| 227 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 228 | static int rt2x00debug_open_queue_dump(struct inode *inode, struct file *file) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 229 | { |
| 230 | struct rt2x00debug_intf *intf = inode->i_private; |
| 231 | int retval; |
| 232 | |
| 233 | retval = rt2x00debug_file_open(inode, file); |
| 234 | if (retval) |
| 235 | return retval; |
| 236 | |
| 237 | if (test_and_set_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)) { |
| 238 | rt2x00debug_file_release(inode, file); |
| 239 | return -EBUSY; |
| 240 | } |
| 241 | |
| 242 | return 0; |
| 243 | } |
| 244 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 245 | static int rt2x00debug_release_queue_dump(struct inode *inode, struct file *file) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 246 | { |
| 247 | struct rt2x00debug_intf *intf = inode->i_private; |
| 248 | |
| 249 | skb_queue_purge(&intf->frame_dump_skbqueue); |
| 250 | |
| 251 | clear_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags); |
| 252 | |
| 253 | return rt2x00debug_file_release(inode, file); |
| 254 | } |
| 255 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 256 | static ssize_t rt2x00debug_read_queue_dump(struct file *file, |
| 257 | char __user *buf, |
| 258 | size_t length, |
| 259 | loff_t *offset) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 260 | { |
| 261 | struct rt2x00debug_intf *intf = file->private_data; |
| 262 | struct sk_buff *skb; |
| 263 | size_t status; |
| 264 | int retval; |
| 265 | |
| 266 | if (file->f_flags & O_NONBLOCK) |
| 267 | return -EAGAIN; |
| 268 | |
| 269 | retval = |
| 270 | wait_event_interruptible(intf->frame_dump_waitqueue, |
| 271 | (skb = |
| 272 | skb_dequeue(&intf->frame_dump_skbqueue))); |
| 273 | if (retval) |
| 274 | return retval; |
| 275 | |
| 276 | status = min((size_t)skb->len, length); |
| 277 | if (copy_to_user(buf, skb->data, status)) { |
| 278 | status = -EFAULT; |
| 279 | goto exit; |
| 280 | } |
| 281 | |
| 282 | *offset += status; |
| 283 | |
| 284 | exit: |
| 285 | kfree_skb(skb); |
| 286 | |
| 287 | return status; |
| 288 | } |
| 289 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 290 | static unsigned int rt2x00debug_poll_queue_dump(struct file *file, |
John Daiker | 5588751 | 2008-10-17 12:16:17 -0700 | [diff] [blame] | 291 | poll_table *wait) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 292 | { |
| 293 | struct rt2x00debug_intf *intf = file->private_data; |
| 294 | |
| 295 | poll_wait(file, &intf->frame_dump_waitqueue, wait); |
| 296 | |
| 297 | if (!skb_queue_empty(&intf->frame_dump_skbqueue)) |
| 298 | return POLLOUT | POLLWRNORM; |
| 299 | |
| 300 | return 0; |
| 301 | } |
| 302 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 303 | static const struct file_operations rt2x00debug_fop_queue_dump = { |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 304 | .owner = THIS_MODULE, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 305 | .read = rt2x00debug_read_queue_dump, |
| 306 | .poll = rt2x00debug_poll_queue_dump, |
| 307 | .open = rt2x00debug_open_queue_dump, |
| 308 | .release = rt2x00debug_release_queue_dump, |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 309 | }; |
| 310 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 311 | static ssize_t rt2x00debug_read_queue_stats(struct file *file, |
| 312 | char __user *buf, |
| 313 | size_t length, |
| 314 | loff_t *offset) |
| 315 | { |
| 316 | struct rt2x00debug_intf *intf = file->private_data; |
| 317 | struct data_queue *queue; |
Ivo van Doorn | 5f46c4d | 2008-03-09 22:44:30 +0100 | [diff] [blame] | 318 | unsigned long irqflags; |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 319 | unsigned int lines = 1 + intf->rt2x00dev->data_queues; |
| 320 | size_t size; |
| 321 | char *data; |
| 322 | char *temp; |
| 323 | |
| 324 | if (*offset) |
| 325 | return 0; |
| 326 | |
| 327 | data = kzalloc(lines * MAX_LINE_LENGTH, GFP_KERNEL); |
| 328 | if (!data) |
| 329 | return -ENOMEM; |
| 330 | |
| 331 | temp = data + |
| 332 | sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdone\tcrypto\n"); |
| 333 | |
| 334 | queue_for_each(intf->rt2x00dev, queue) { |
Ivo van Doorn | 5f46c4d | 2008-03-09 22:44:30 +0100 | [diff] [blame] | 335 | spin_lock_irqsave(&queue->lock, irqflags); |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 336 | |
| 337 | temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid, |
| 338 | queue->count, queue->limit, queue->length, |
| 339 | queue->index[Q_INDEX], |
| 340 | queue->index[Q_INDEX_DONE], |
| 341 | queue->index[Q_INDEX_CRYPTO]); |
| 342 | |
Ivo van Doorn | 5f46c4d | 2008-03-09 22:44:30 +0100 | [diff] [blame] | 343 | spin_unlock_irqrestore(&queue->lock, irqflags); |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | size = strlen(data); |
| 347 | size = min(size, length); |
| 348 | |
| 349 | if (copy_to_user(buf, data, size)) { |
| 350 | kfree(data); |
| 351 | return -EFAULT; |
| 352 | } |
| 353 | |
| 354 | kfree(data); |
| 355 | |
| 356 | *offset += size; |
| 357 | return size; |
| 358 | } |
| 359 | |
| 360 | static const struct file_operations rt2x00debug_fop_queue_stats = { |
| 361 | .owner = THIS_MODULE, |
| 362 | .read = rt2x00debug_read_queue_stats, |
| 363 | .open = rt2x00debug_file_open, |
| 364 | .release = rt2x00debug_file_release, |
| 365 | }; |
| 366 | |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 367 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
| 368 | static ssize_t rt2x00debug_read_crypto_stats(struct file *file, |
| 369 | char __user *buf, |
| 370 | size_t length, |
| 371 | loff_t *offset) |
| 372 | { |
| 373 | struct rt2x00debug_intf *intf = file->private_data; |
| 374 | char *name[] = { "WEP64", "WEP128", "TKIP", "AES" }; |
| 375 | char *data; |
| 376 | char *temp; |
| 377 | size_t size; |
| 378 | unsigned int i; |
| 379 | |
| 380 | if (*offset) |
| 381 | return 0; |
| 382 | |
John Daiker | 5588751 | 2008-10-17 12:16:17 -0700 | [diff] [blame] | 383 | data = kzalloc((1 + CIPHER_MAX) * MAX_LINE_LENGTH, GFP_KERNEL); |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 384 | if (!data) |
| 385 | return -ENOMEM; |
| 386 | |
| 387 | temp = data; |
| 388 | temp += sprintf(data, "cipher\tsuccess\ticv err\tmic err\tkey err\n"); |
| 389 | |
| 390 | for (i = 0; i < CIPHER_MAX; i++) { |
| 391 | temp += sprintf(temp, "%s\t%lu\t%lu\t%lu\t%lu\n", name[i], |
| 392 | intf->crypto_stats[i].success, |
| 393 | intf->crypto_stats[i].icv_error, |
| 394 | intf->crypto_stats[i].mic_error, |
| 395 | intf->crypto_stats[i].key_error); |
| 396 | } |
| 397 | |
| 398 | size = strlen(data); |
| 399 | size = min(size, length); |
| 400 | |
| 401 | if (copy_to_user(buf, data, size)) { |
| 402 | kfree(data); |
| 403 | return -EFAULT; |
| 404 | } |
| 405 | |
| 406 | kfree(data); |
| 407 | |
| 408 | *offset += size; |
| 409 | return size; |
| 410 | } |
| 411 | |
| 412 | static const struct file_operations rt2x00debug_fop_crypto_stats = { |
| 413 | .owner = THIS_MODULE, |
| 414 | .read = rt2x00debug_read_crypto_stats, |
| 415 | .open = rt2x00debug_file_open, |
| 416 | .release = rt2x00debug_file_release, |
| 417 | }; |
| 418 | #endif |
| 419 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 420 | #define RT2X00DEBUGFS_OPS_READ(__name, __format, __type) \ |
| 421 | static ssize_t rt2x00debug_read_##__name(struct file *file, \ |
| 422 | char __user *buf, \ |
| 423 | size_t length, \ |
| 424 | loff_t *offset) \ |
| 425 | { \ |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 426 | struct rt2x00debug_intf *intf = file->private_data; \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 427 | const struct rt2x00debug *debug = intf->debug; \ |
| 428 | char line[16]; \ |
| 429 | size_t size; \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 430 | unsigned int index = intf->offset_##__name; \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 431 | __type value; \ |
| 432 | \ |
| 433 | if (*offset) \ |
| 434 | return 0; \ |
| 435 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 436 | if (index >= debug->__name.word_count) \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 437 | return -EINVAL; \ |
| 438 | \ |
Ivo van Doorn | abd2fdb | 2009-02-17 14:04:29 +0100 | [diff] [blame] | 439 | index += (debug->__name.word_base / \ |
| 440 | debug->__name.word_size); \ |
| 441 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 442 | if (debug->__name.flags & RT2X00DEBUGFS_OFFSET) \ |
| 443 | index *= debug->__name.word_size; \ |
| 444 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 445 | debug->__name.read(intf->rt2x00dev, index, &value); \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 446 | \ |
| 447 | size = sprintf(line, __format, value); \ |
| 448 | \ |
| 449 | if (copy_to_user(buf, line, size)) \ |
| 450 | return -EFAULT; \ |
| 451 | \ |
| 452 | *offset += size; \ |
| 453 | return size; \ |
| 454 | } |
| 455 | |
| 456 | #define RT2X00DEBUGFS_OPS_WRITE(__name, __type) \ |
| 457 | static ssize_t rt2x00debug_write_##__name(struct file *file, \ |
| 458 | const char __user *buf,\ |
| 459 | size_t length, \ |
| 460 | loff_t *offset) \ |
| 461 | { \ |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 462 | struct rt2x00debug_intf *intf = file->private_data; \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 463 | const struct rt2x00debug *debug = intf->debug; \ |
| 464 | char line[16]; \ |
| 465 | size_t size; \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 466 | unsigned int index = intf->offset_##__name; \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 467 | __type value; \ |
| 468 | \ |
| 469 | if (*offset) \ |
| 470 | return 0; \ |
| 471 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 472 | if (index >= debug->__name.word_count) \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 473 | return -EINVAL; \ |
| 474 | \ |
| 475 | if (copy_from_user(line, buf, length)) \ |
| 476 | return -EFAULT; \ |
| 477 | \ |
| 478 | size = strlen(line); \ |
| 479 | value = simple_strtoul(line, NULL, 0); \ |
| 480 | \ |
Ivo van Doorn | abd2fdb | 2009-02-17 14:04:29 +0100 | [diff] [blame] | 481 | index += (debug->__name.word_base / \ |
| 482 | debug->__name.word_size); \ |
| 483 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 484 | if (debug->__name.flags & RT2X00DEBUGFS_OFFSET) \ |
| 485 | index *= debug->__name.word_size; \ |
| 486 | \ |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 487 | debug->__name.write(intf->rt2x00dev, index, value); \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 488 | \ |
| 489 | *offset += size; \ |
| 490 | return size; \ |
| 491 | } |
| 492 | |
| 493 | #define RT2X00DEBUGFS_OPS(__name, __format, __type) \ |
| 494 | RT2X00DEBUGFS_OPS_READ(__name, __format, __type); \ |
| 495 | RT2X00DEBUGFS_OPS_WRITE(__name, __type); \ |
| 496 | \ |
| 497 | static const struct file_operations rt2x00debug_fop_##__name = {\ |
| 498 | .owner = THIS_MODULE, \ |
| 499 | .read = rt2x00debug_read_##__name, \ |
| 500 | .write = rt2x00debug_write_##__name, \ |
| 501 | .open = rt2x00debug_file_open, \ |
| 502 | .release = rt2x00debug_file_release, \ |
| 503 | }; |
| 504 | |
| 505 | RT2X00DEBUGFS_OPS(csr, "0x%.8x\n", u32); |
| 506 | RT2X00DEBUGFS_OPS(eeprom, "0x%.4x\n", u16); |
| 507 | RT2X00DEBUGFS_OPS(bbp, "0x%.2x\n", u8); |
| 508 | RT2X00DEBUGFS_OPS(rf, "0x%.8x\n", u32); |
| 509 | |
Ivo van Doorn | 643b252 | 2007-09-25 20:13:51 +0200 | [diff] [blame] | 510 | static ssize_t rt2x00debug_read_dev_flags(struct file *file, |
| 511 | char __user *buf, |
| 512 | size_t length, |
| 513 | loff_t *offset) |
| 514 | { |
| 515 | struct rt2x00debug_intf *intf = file->private_data; |
| 516 | char line[16]; |
| 517 | size_t size; |
| 518 | |
| 519 | if (*offset) |
| 520 | return 0; |
| 521 | |
| 522 | size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->flags); |
| 523 | |
| 524 | if (copy_to_user(buf, line, size)) |
| 525 | return -EFAULT; |
| 526 | |
| 527 | *offset += size; |
| 528 | return size; |
| 529 | } |
| 530 | |
| 531 | static const struct file_operations rt2x00debug_fop_dev_flags = { |
| 532 | .owner = THIS_MODULE, |
| 533 | .read = rt2x00debug_read_dev_flags, |
| 534 | .open = rt2x00debug_file_open, |
| 535 | .release = rt2x00debug_file_release, |
| 536 | }; |
| 537 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 538 | static struct dentry *rt2x00debug_create_file_driver(const char *name, |
| 539 | struct rt2x00debug_intf |
| 540 | *intf, |
| 541 | struct debugfs_blob_wrapper |
| 542 | *blob) |
| 543 | { |
| 544 | char *data; |
| 545 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 546 | data = kzalloc(3 * MAX_LINE_LENGTH, GFP_KERNEL); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 547 | if (!data) |
| 548 | return NULL; |
| 549 | |
| 550 | blob->data = data; |
Ivo van Doorn | 860559f | 2009-03-03 18:14:18 +0100 | [diff] [blame] | 551 | data += sprintf(data, "driver:\t%s\n", intf->rt2x00dev->ops->name); |
| 552 | data += sprintf(data, "version:\t%s\n", DRV_VERSION); |
| 553 | data += sprintf(data, "compiled:\t%s %s\n", __DATE__, __TIME__); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 554 | blob->size = strlen(blob->data); |
| 555 | |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 556 | return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 557 | } |
| 558 | |
| 559 | static struct dentry *rt2x00debug_create_file_chipset(const char *name, |
| 560 | struct rt2x00debug_intf |
| 561 | *intf, |
| 562 | struct |
| 563 | debugfs_blob_wrapper |
| 564 | *blob) |
| 565 | { |
| 566 | const struct rt2x00debug *debug = intf->debug; |
| 567 | char *data; |
| 568 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 569 | data = kzalloc(8 * MAX_LINE_LENGTH, GFP_KERNEL); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 570 | if (!data) |
| 571 | return NULL; |
| 572 | |
Ivo van Doorn | 3e34c6d | 2008-01-06 23:38:10 +0100 | [diff] [blame] | 573 | blob->data = data; |
Ivo van Doorn | 860559f | 2009-03-03 18:14:18 +0100 | [diff] [blame] | 574 | data += sprintf(data, "rt chip:\t%04x\n", intf->rt2x00dev->chip.rt); |
| 575 | data += sprintf(data, "rf chip:\t%04x\n", intf->rt2x00dev->chip.rf); |
| 576 | data += sprintf(data, "revision:\t%08x\n", intf->rt2x00dev->chip.rev); |
Ivo van Doorn | 22c96c2 | 2007-11-27 21:48:37 +0100 | [diff] [blame] | 577 | data += sprintf(data, "\n"); |
Ivo van Doorn | 860559f | 2009-03-03 18:14:18 +0100 | [diff] [blame] | 578 | data += sprintf(data, "register\tbase\twords\twordsize\n"); |
| 579 | data += sprintf(data, "csr\t%d\t%d\t%d\n", |
| 580 | debug->csr.word_base, |
| 581 | debug->csr.word_count, |
| 582 | debug->csr.word_size); |
| 583 | data += sprintf(data, "eeprom\t%d\t%d\t%d\n", |
| 584 | debug->eeprom.word_base, |
| 585 | debug->eeprom.word_count, |
| 586 | debug->eeprom.word_size); |
| 587 | data += sprintf(data, "bbp\t%d\t%d\t%d\n", |
| 588 | debug->bbp.word_base, |
| 589 | debug->bbp.word_count, |
| 590 | debug->bbp.word_size); |
| 591 | data += sprintf(data, "rf\t%d\t%d\t%d\n", |
| 592 | debug->rf.word_base, |
| 593 | debug->rf.word_count, |
| 594 | debug->rf.word_size); |
Ivo van Doorn | 3e34c6d | 2008-01-06 23:38:10 +0100 | [diff] [blame] | 595 | blob->size = strlen(blob->data); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 596 | |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 597 | return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | void rt2x00debug_register(struct rt2x00_dev *rt2x00dev) |
| 601 | { |
| 602 | const struct rt2x00debug *debug = rt2x00dev->ops->debugfs; |
| 603 | struct rt2x00debug_intf *intf; |
| 604 | |
| 605 | intf = kzalloc(sizeof(struct rt2x00debug_intf), GFP_KERNEL); |
| 606 | if (!intf) { |
| 607 | ERROR(rt2x00dev, "Failed to allocate debug handler.\n"); |
| 608 | return; |
| 609 | } |
| 610 | |
| 611 | intf->debug = debug; |
| 612 | intf->rt2x00dev = rt2x00dev; |
| 613 | rt2x00dev->debugfs_intf = intf; |
| 614 | |
| 615 | intf->driver_folder = |
| 616 | debugfs_create_dir(intf->rt2x00dev->ops->name, |
| 617 | rt2x00dev->hw->wiphy->debugfsdir); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 618 | if (IS_ERR(intf->driver_folder) || !intf->driver_folder) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 619 | goto exit; |
| 620 | |
| 621 | intf->driver_entry = |
| 622 | rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 623 | if (IS_ERR(intf->driver_entry) || !intf->driver_entry) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 624 | goto exit; |
| 625 | |
| 626 | intf->chipset_entry = |
| 627 | rt2x00debug_create_file_chipset("chipset", |
| 628 | intf, &intf->chipset_blob); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 629 | if (IS_ERR(intf->chipset_entry) || !intf->chipset_entry) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 630 | goto exit; |
| 631 | |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 632 | intf->dev_flags = debugfs_create_file("dev_flags", S_IRUSR, |
Ivo van Doorn | 643b252 | 2007-09-25 20:13:51 +0200 | [diff] [blame] | 633 | intf->driver_folder, intf, |
| 634 | &rt2x00debug_fop_dev_flags); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 635 | if (IS_ERR(intf->dev_flags) || !intf->dev_flags) |
Ivo van Doorn | 643b252 | 2007-09-25 20:13:51 +0200 | [diff] [blame] | 636 | goto exit; |
| 637 | |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 638 | intf->register_folder = |
| 639 | debugfs_create_dir("register", intf->driver_folder); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 640 | if (IS_ERR(intf->register_folder) || !intf->register_folder) |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 641 | goto exit; |
| 642 | |
| 643 | #define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 644 | ({ \ |
| 645 | (__intf)->__name##_off_entry = \ |
| 646 | debugfs_create_u32(__stringify(__name) "_offset", \ |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 647 | S_IRUSR | S_IWUSR, \ |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 648 | (__intf)->register_folder, \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 649 | &(__intf)->offset_##__name); \ |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 650 | if (IS_ERR((__intf)->__name##_off_entry) \ |
| 651 | || !(__intf)->__name##_off_entry) \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 652 | goto exit; \ |
| 653 | \ |
| 654 | (__intf)->__name##_val_entry = \ |
| 655 | debugfs_create_file(__stringify(__name) "_value", \ |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 656 | S_IRUSR | S_IWUSR, \ |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 657 | (__intf)->register_folder, \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 658 | (__intf), &rt2x00debug_fop_##__name);\ |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 659 | if (IS_ERR((__intf)->__name##_val_entry) \ |
| 660 | || !(__intf)->__name##_val_entry) \ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 661 | goto exit; \ |
| 662 | }) |
| 663 | |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 664 | RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, csr); |
| 665 | RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, eeprom); |
| 666 | RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, bbp); |
| 667 | RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, rf); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 668 | |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 669 | #undef RT2X00DEBUGFS_CREATE_REGISTER_ENTRY |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 670 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 671 | intf->queue_folder = |
| 672 | debugfs_create_dir("queue", intf->driver_folder); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 673 | if (IS_ERR(intf->queue_folder) || !intf->queue_folder) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 674 | goto exit; |
| 675 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 676 | intf->queue_frame_dump_entry = |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 677 | debugfs_create_file("dump", S_IRUSR, intf->queue_folder, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 678 | intf, &rt2x00debug_fop_queue_dump); |
Zhaolei | cfa3fa4 | 2008-10-22 17:07:25 +0800 | [diff] [blame] | 679 | if (IS_ERR(intf->queue_frame_dump_entry) |
| 680 | || !intf->queue_frame_dump_entry) |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 681 | goto exit; |
| 682 | |
| 683 | skb_queue_head_init(&intf->frame_dump_skbqueue); |
| 684 | init_waitqueue_head(&intf->frame_dump_waitqueue); |
| 685 | |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 686 | intf->queue_stats_entry = |
Ivo van Doorn | d2b6907 | 2008-07-27 15:06:05 +0200 | [diff] [blame] | 687 | debugfs_create_file("queue", S_IRUSR, intf->queue_folder, |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 688 | intf, &rt2x00debug_fop_queue_stats); |
| 689 | |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 690 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
| 691 | if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) |
| 692 | intf->crypto_stats_entry = |
| 693 | debugfs_create_file("crypto", S_IRUGO, intf->queue_folder, |
| 694 | intf, &rt2x00debug_fop_crypto_stats); |
| 695 | #endif |
| 696 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 697 | return; |
| 698 | |
| 699 | exit: |
| 700 | rt2x00debug_deregister(rt2x00dev); |
| 701 | ERROR(rt2x00dev, "Failed to register debug handler.\n"); |
| 702 | |
| 703 | return; |
| 704 | } |
| 705 | |
| 706 | void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev) |
| 707 | { |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 708 | struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 709 | |
| 710 | if (unlikely(!intf)) |
| 711 | return; |
| 712 | |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 713 | skb_queue_purge(&intf->frame_dump_skbqueue); |
| 714 | |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 715 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
| 716 | debugfs_remove(intf->crypto_stats_entry); |
| 717 | #endif |
Ivo van Doorn | 68598d2 | 2008-02-10 22:50:28 +0100 | [diff] [blame] | 718 | debugfs_remove(intf->queue_stats_entry); |
| 719 | debugfs_remove(intf->queue_frame_dump_entry); |
| 720 | debugfs_remove(intf->queue_folder); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 721 | debugfs_remove(intf->rf_val_entry); |
| 722 | debugfs_remove(intf->rf_off_entry); |
| 723 | debugfs_remove(intf->bbp_val_entry); |
| 724 | debugfs_remove(intf->bbp_off_entry); |
| 725 | debugfs_remove(intf->eeprom_val_entry); |
| 726 | debugfs_remove(intf->eeprom_off_entry); |
| 727 | debugfs_remove(intf->csr_val_entry); |
| 728 | debugfs_remove(intf->csr_off_entry); |
Ivo van Doorn | 91921a4 | 2007-11-27 21:48:16 +0100 | [diff] [blame] | 729 | debugfs_remove(intf->register_folder); |
Ivo van Doorn | 643b252 | 2007-09-25 20:13:51 +0200 | [diff] [blame] | 730 | debugfs_remove(intf->dev_flags); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 731 | debugfs_remove(intf->chipset_entry); |
| 732 | debugfs_remove(intf->driver_entry); |
| 733 | debugfs_remove(intf->driver_folder); |
| 734 | kfree(intf->chipset_blob.data); |
| 735 | kfree(intf->driver_blob.data); |
| 736 | kfree(intf); |
| 737 | |
| 738 | rt2x00dev->debugfs_intf = NULL; |
| 739 | } |