+++ /dev/null
-/*
- Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
- <http://rt2x00.serialmonkey.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- Module: rt2x00lib
- Abstract: rt2x00 debugfs specific routines.
- */
-
-#include <linux/debugfs.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/poll.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-
-#include "rt2x00.h"
-#include "rt2x00lib.h"
-#include "rt2x00dump.h"
-
-#define MAX_LINE_LENGTH 64
-
-struct rt2x00debug_crypto {
- unsigned long success;
- unsigned long icv_error;
- unsigned long mic_error;
- unsigned long key_error;
-};
-
-struct rt2x00debug_intf {
- /*
- * Pointer to driver structure where
- * this debugfs entry belongs to.
- */
- struct rt2x00_dev *rt2x00dev;
-
- /*
- * Reference to the rt2x00debug structure
- * which can be used to communicate with
- * the registers.
- */
- const struct rt2x00debug *debug;
-
- /*
- * Debugfs entries for:
- * - driver folder
- * - driver file
- * - chipset file
- * - device state flags file
- * - device capability flags file
- * - register folder
- * - csr offset/value files
- * - eeprom offset/value files
- * - bbp offset/value files
- * - rf offset/value files
- * - rfcsr offset/value files
- * - queue folder
- * - frame dump file
- * - queue stats file
- * - crypto stats file
- */
- struct dentry *driver_folder;
- struct dentry *driver_entry;
- struct dentry *chipset_entry;
- struct dentry *dev_flags;
- struct dentry *cap_flags;
- struct dentry *register_folder;
- struct dentry *csr_off_entry;
- struct dentry *csr_val_entry;
- struct dentry *eeprom_off_entry;
- struct dentry *eeprom_val_entry;
- struct dentry *bbp_off_entry;
- struct dentry *bbp_val_entry;
- struct dentry *rf_off_entry;
- struct dentry *rf_val_entry;
- struct dentry *rfcsr_off_entry;
- struct dentry *rfcsr_val_entry;
- struct dentry *queue_folder;
- struct dentry *queue_frame_dump_entry;
- struct dentry *queue_stats_entry;
- struct dentry *crypto_stats_entry;
-
- /*
- * The frame dump file only allows a single reader,
- * so we need to store the current state here.
- */
- unsigned long frame_dump_flags;
-#define FRAME_DUMP_FILE_OPEN 1
-
- /*
- * We queue each frame before dumping it to the user,
- * per read command we will pass a single skb structure
- * so we should be prepared to queue multiple sk buffers
- * before sending it to userspace.
- */
- struct sk_buff_head frame_dump_skbqueue;
- wait_queue_head_t frame_dump_waitqueue;
-
- /*
- * HW crypto statistics.
- * All statistics are stored separately per cipher type.
- */
- struct rt2x00debug_crypto crypto_stats[CIPHER_MAX];
-
- /*
- * Driver and chipset files will use a data buffer
- * that has been created in advance. This will simplify
- * the code since we can use the debugfs functions.
- */
- struct debugfs_blob_wrapper driver_blob;
- struct debugfs_blob_wrapper chipset_blob;
-
- /*
- * Requested offset for each register type.
- */
- unsigned int offset_csr;
- unsigned int offset_eeprom;
- unsigned int offset_bbp;
- unsigned int offset_rf;
- unsigned int offset_rfcsr;
-};
-
-void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
- struct rxdone_entry_desc *rxdesc)
-{
- struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
- enum cipher cipher = rxdesc->cipher;
- enum rx_crypto status = rxdesc->cipher_status;
-
- if (cipher == CIPHER_TKIP_NO_MIC)
- cipher = CIPHER_TKIP;
- if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
- return;
-
- /* Remove CIPHER_NONE index */
- cipher--;
-
- intf->crypto_stats[cipher].success += (status == RX_CRYPTO_SUCCESS);
- intf->crypto_stats[cipher].icv_error += (status == RX_CRYPTO_FAIL_ICV);
- intf->crypto_stats[cipher].mic_error += (status == RX_CRYPTO_FAIL_MIC);
- intf->crypto_stats[cipher].key_error += (status == RX_CRYPTO_FAIL_KEY);
-}
-
-void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_dump_type type, struct sk_buff *skb)
-{
- struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
- struct sk_buff *skbcopy;
- struct rt2x00dump_hdr *dump_hdr;
- struct timeval timestamp;
- u32 data_len;
-
- if (likely(!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)))
- return;
-
- do_gettimeofday(×tamp);
-
- if (skb_queue_len(&intf->frame_dump_skbqueue) > 20) {
- rt2x00_dbg(rt2x00dev, "txrx dump queue length exceeded\n");
- return;
- }
-
- data_len = skb->len;
- if (skbdesc->flags & SKBDESC_DESC_IN_SKB)
- data_len -= skbdesc->desc_len;
-
- skbcopy = alloc_skb(sizeof(*dump_hdr) + skbdesc->desc_len + data_len,
- GFP_ATOMIC);
- if (!skbcopy) {
- rt2x00_dbg(rt2x00dev, "Failed to copy skb for dump\n");
- return;
- }
-
- dump_hdr = (struct rt2x00dump_hdr *)skb_put(skbcopy, sizeof(*dump_hdr));
- dump_hdr->version = cpu_to_le32(DUMP_HEADER_VERSION);
- dump_hdr->header_length = cpu_to_le32(sizeof(*dump_hdr));
- dump_hdr->desc_length = cpu_to_le32(skbdesc->desc_len);
- dump_hdr->data_length = cpu_to_le32(data_len);
- dump_hdr->chip_rt = cpu_to_le16(rt2x00dev->chip.rt);
- dump_hdr->chip_rf = cpu_to_le16(rt2x00dev->chip.rf);
- dump_hdr->chip_rev = cpu_to_le16(rt2x00dev->chip.rev);
- dump_hdr->type = cpu_to_le16(type);
- dump_hdr->queue_index = skbdesc->entry->queue->qid;
- dump_hdr->entry_index = skbdesc->entry->entry_idx;
- dump_hdr->timestamp_sec = cpu_to_le32(timestamp.tv_sec);
- dump_hdr->timestamp_usec = cpu_to_le32(timestamp.tv_usec);
-
- if (!(skbdesc->flags & SKBDESC_DESC_IN_SKB))
- memcpy(skb_put(skbcopy, skbdesc->desc_len), skbdesc->desc,
- skbdesc->desc_len);
- memcpy(skb_put(skbcopy, skb->len), skb->data, skb->len);
-
- skb_queue_tail(&intf->frame_dump_skbqueue, skbcopy);
- wake_up_interruptible(&intf->frame_dump_waitqueue);
-
- /*
- * Verify that the file has not been closed while we were working.
- */
- if (!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags))
- skb_queue_purge(&intf->frame_dump_skbqueue);
-}
-EXPORT_SYMBOL_GPL(rt2x00debug_dump_frame);
-
-static int rt2x00debug_file_open(struct inode *inode, struct file *file)
-{
- struct rt2x00debug_intf *intf = inode->i_private;
-
- file->private_data = inode->i_private;
-
- if (!try_module_get(intf->debug->owner))
- return -EBUSY;
-
- return 0;
-}
-
-static int rt2x00debug_file_release(struct inode *inode, struct file *file)
-{
- struct rt2x00debug_intf *intf = file->private_data;
-
- module_put(intf->debug->owner);
-
- return 0;
-}
-
-static int rt2x00debug_open_queue_dump(struct inode *inode, struct file *file)
-{
- struct rt2x00debug_intf *intf = inode->i_private;
- int retval;
-
- retval = rt2x00debug_file_open(inode, file);
- if (retval)
- return retval;
-
- if (test_and_set_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)) {
- rt2x00debug_file_release(inode, file);
- return -EBUSY;
- }
-
- return 0;
-}
-
-static int rt2x00debug_release_queue_dump(struct inode *inode, struct file *file)
-{
- struct rt2x00debug_intf *intf = inode->i_private;
-
- skb_queue_purge(&intf->frame_dump_skbqueue);
-
- clear_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags);
-
- return rt2x00debug_file_release(inode, file);
-}
-
-static ssize_t rt2x00debug_read_queue_dump(struct file *file,
- char __user *buf,
- size_t length,
- loff_t *offset)
-{
- struct rt2x00debug_intf *intf = file->private_data;
- struct sk_buff *skb;
- size_t status;
- int retval;
-
- if (file->f_flags & O_NONBLOCK)
- return -EAGAIN;
-
- retval =
- wait_event_interruptible(intf->frame_dump_waitqueue,
- (skb =
- skb_dequeue(&intf->frame_dump_skbqueue)));
- if (retval)
- return retval;
-
- status = min_t(size_t, skb->len, length);
- if (copy_to_user(buf, skb->data, status)) {
- status = -EFAULT;
- goto exit;
- }
-
- *offset += status;
-
-exit:
- kfree_skb(skb);
-
- return status;
-}
-
-static unsigned int rt2x00debug_poll_queue_dump(struct file *file,
- poll_table *wait)
-{
- struct rt2x00debug_intf *intf = file->private_data;
-
- poll_wait(file, &intf->frame_dump_waitqueue, wait);
-
- if (!skb_queue_empty(&intf->frame_dump_skbqueue))
- return POLLOUT | POLLWRNORM;
-
- return 0;
-}
-
-static const struct file_operations rt2x00debug_fop_queue_dump = {
- .owner = THIS_MODULE,
- .read = rt2x00debug_read_queue_dump,
- .poll = rt2x00debug_poll_queue_dump,
- .open = rt2x00debug_open_queue_dump,
- .release = rt2x00debug_release_queue_dump,
- .llseek = default_llseek,
-};
-
-static ssize_t rt2x00debug_read_queue_stats(struct file *file,
- char __user *buf,
- size_t length,
- loff_t *offset)
-{
- struct rt2x00debug_intf *intf = file->private_data;
- struct data_queue *queue;
- unsigned long irqflags;
- unsigned int lines = 1 + intf->rt2x00dev->data_queues;
- size_t size;
- char *data;
- char *temp;
-
- if (*offset)
- return 0;
-
- data = kcalloc(lines, MAX_LINE_LENGTH, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- temp = data +
- sprintf(data, "qid\tflags\t\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
-
- queue_for_each(intf->rt2x00dev, queue) {
- spin_lock_irqsave(&queue->index_lock, irqflags);
-
- temp += sprintf(temp, "%d\t0x%.8x\t%d\t%d\t%d\t%d\t%d\t\t%d\n",
- queue->qid, (unsigned int)queue->flags,
- queue->count, queue->limit, queue->length,
- queue->index[Q_INDEX],
- queue->index[Q_INDEX_DMA_DONE],
- queue->index[Q_INDEX_DONE]);
-
- spin_unlock_irqrestore(&queue->index_lock, irqflags);
- }
-
- size = strlen(data);
- size = min(size, length);
-
- if (copy_to_user(buf, data, size)) {
- kfree(data);
- return -EFAULT;
- }
-
- kfree(data);
-
- *offset += size;
- return size;
-}
-
-static const struct file_operations rt2x00debug_fop_queue_stats = {
- .owner = THIS_MODULE,
- .read = rt2x00debug_read_queue_stats,
- .open = rt2x00debug_file_open,
- .release = rt2x00debug_file_release,
- .llseek = default_llseek,
-};
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
-static ssize_t rt2x00debug_read_crypto_stats(struct file *file,
- char __user *buf,
- size_t length,
- loff_t *offset)
-{
- struct rt2x00debug_intf *intf = file->private_data;
- static const char * const name[] = { "WEP64", "WEP128", "TKIP", "AES" };
- char *data;
- char *temp;
- size_t size;
- unsigned int i;
-
- if (*offset)
- return 0;
-
- data = kzalloc((1 + CIPHER_MAX) * MAX_LINE_LENGTH, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- temp = data;
- temp += sprintf(data, "cipher\tsuccess\ticv err\tmic err\tkey err\n");
-
- for (i = 0; i < CIPHER_MAX; i++) {
- temp += sprintf(temp, "%s\t%lu\t%lu\t%lu\t%lu\n", name[i],
- intf->crypto_stats[i].success,
- intf->crypto_stats[i].icv_error,
- intf->crypto_stats[i].mic_error,
- intf->crypto_stats[i].key_error);
- }
-
- size = strlen(data);
- size = min(size, length);
-
- if (copy_to_user(buf, data, size)) {
- kfree(data);
- return -EFAULT;
- }
-
- kfree(data);
-
- *offset += size;
- return size;
-}
-
-static const struct file_operations rt2x00debug_fop_crypto_stats = {
- .owner = THIS_MODULE,
- .read = rt2x00debug_read_crypto_stats,
- .open = rt2x00debug_file_open,
- .release = rt2x00debug_file_release,
- .llseek = default_llseek,
-};
-#endif
-
-#define RT2X00DEBUGFS_OPS_READ(__name, __format, __type) \
-static ssize_t rt2x00debug_read_##__name(struct file *file, \
- char __user *buf, \
- size_t length, \
- loff_t *offset) \
-{ \
- struct rt2x00debug_intf *intf = file->private_data; \
- const struct rt2x00debug *debug = intf->debug; \
- char line[16]; \
- size_t size; \
- unsigned int index = intf->offset_##__name; \
- __type value; \
- \
- if (*offset) \
- return 0; \
- \
- if (index >= debug->__name.word_count) \
- return -EINVAL; \
- \
- index += (debug->__name.word_base / \
- debug->__name.word_size); \
- \
- if (debug->__name.flags & RT2X00DEBUGFS_OFFSET) \
- index *= debug->__name.word_size; \
- \
- debug->__name.read(intf->rt2x00dev, index, &value); \
- \
- size = sprintf(line, __format, value); \
- \
- if (copy_to_user(buf, line, size)) \
- return -EFAULT; \
- \
- *offset += size; \
- return size; \
-}
-
-#define RT2X00DEBUGFS_OPS_WRITE(__name, __type) \
-static ssize_t rt2x00debug_write_##__name(struct file *file, \
- const char __user *buf,\
- size_t length, \
- loff_t *offset) \
-{ \
- struct rt2x00debug_intf *intf = file->private_data; \
- const struct rt2x00debug *debug = intf->debug; \
- char line[16]; \
- size_t size; \
- unsigned int index = intf->offset_##__name; \
- __type value; \
- \
- if (*offset) \
- return 0; \
- \
- if (index >= debug->__name.word_count) \
- return -EINVAL; \
- \
- if (length > sizeof(line)) \
- return -EINVAL; \
- \
- if (copy_from_user(line, buf, length)) \
- return -EFAULT; \
- \
- size = strlen(line); \
- value = simple_strtoul(line, NULL, 0); \
- \
- index += (debug->__name.word_base / \
- debug->__name.word_size); \
- \
- if (debug->__name.flags & RT2X00DEBUGFS_OFFSET) \
- index *= debug->__name.word_size; \
- \
- debug->__name.write(intf->rt2x00dev, index, value); \
- \
- *offset += size; \
- return size; \
-}
-
-#define RT2X00DEBUGFS_OPS(__name, __format, __type) \
-RT2X00DEBUGFS_OPS_READ(__name, __format, __type); \
-RT2X00DEBUGFS_OPS_WRITE(__name, __type); \
- \
-static const struct file_operations rt2x00debug_fop_##__name = {\
- .owner = THIS_MODULE, \
- .read = rt2x00debug_read_##__name, \
- .write = rt2x00debug_write_##__name, \
- .open = rt2x00debug_file_open, \
- .release = rt2x00debug_file_release, \
- .llseek = generic_file_llseek, \
-};
-
-RT2X00DEBUGFS_OPS(csr, "0x%.8x\n", u32);
-RT2X00DEBUGFS_OPS(eeprom, "0x%.4x\n", u16);
-RT2X00DEBUGFS_OPS(bbp, "0x%.2x\n", u8);
-RT2X00DEBUGFS_OPS(rf, "0x%.8x\n", u32);
-RT2X00DEBUGFS_OPS(rfcsr, "0x%.2x\n", u8);
-
-static ssize_t rt2x00debug_read_dev_flags(struct file *file,
- char __user *buf,
- size_t length,
- loff_t *offset)
-{
- struct rt2x00debug_intf *intf = file->private_data;
- char line[16];
- size_t size;
-
- if (*offset)
- return 0;
-
- size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->flags);
-
- if (copy_to_user(buf, line, size))
- return -EFAULT;
-
- *offset += size;
- return size;
-}
-
-static const struct file_operations rt2x00debug_fop_dev_flags = {
- .owner = THIS_MODULE,
- .read = rt2x00debug_read_dev_flags,
- .open = rt2x00debug_file_open,
- .release = rt2x00debug_file_release,
- .llseek = default_llseek,
-};
-
-static ssize_t rt2x00debug_read_cap_flags(struct file *file,
- char __user *buf,
- size_t length,
- loff_t *offset)
-{
- struct rt2x00debug_intf *intf = file->private_data;
- char line[16];
- size_t size;
-
- if (*offset)
- return 0;
-
- size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->cap_flags);
-
- if (copy_to_user(buf, line, size))
- return -EFAULT;
-
- *offset += size;
- return size;
-}
-
-static const struct file_operations rt2x00debug_fop_cap_flags = {
- .owner = THIS_MODULE,
- .read = rt2x00debug_read_cap_flags,
- .open = rt2x00debug_file_open,
- .release = rt2x00debug_file_release,
- .llseek = default_llseek,
-};
-
-static struct dentry *rt2x00debug_create_file_driver(const char *name,
- struct rt2x00debug_intf
- *intf,
- struct debugfs_blob_wrapper
- *blob)
-{
- char *data;
-
- data = kzalloc(3 * MAX_LINE_LENGTH, GFP_KERNEL);
- if (!data)
- return NULL;
-
- blob->data = data;
- data += sprintf(data, "driver:\t%s\n", intf->rt2x00dev->ops->name);
- data += sprintf(data, "version:\t%s\n", DRV_VERSION);
- blob->size = strlen(blob->data);
-
- return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
-}
-
-static struct dentry *rt2x00debug_create_file_chipset(const char *name,
- struct rt2x00debug_intf
- *intf,
- struct
- debugfs_blob_wrapper
- *blob)
-{
- const struct rt2x00debug *debug = intf->debug;
- char *data;
-
- data = kzalloc(9 * MAX_LINE_LENGTH, GFP_KERNEL);
- if (!data)
- return NULL;
-
- blob->data = data;
- data += sprintf(data, "rt chip:\t%04x\n", intf->rt2x00dev->chip.rt);
- data += sprintf(data, "rf chip:\t%04x\n", intf->rt2x00dev->chip.rf);
- data += sprintf(data, "revision:\t%04x\n", intf->rt2x00dev->chip.rev);
- data += sprintf(data, "\n");
- data += sprintf(data, "register\tbase\twords\twordsize\n");
-#define RT2X00DEBUGFS_SPRINTF_REGISTER(__name) \
-{ \
- if(debug->__name.read) \
- data += sprintf(data, __stringify(__name) \
- "\t%d\t%d\t%d\n", \
- debug->__name.word_base, \
- debug->__name.word_count, \
- debug->__name.word_size); \
-}
- RT2X00DEBUGFS_SPRINTF_REGISTER(csr);
- RT2X00DEBUGFS_SPRINTF_REGISTER(eeprom);
- RT2X00DEBUGFS_SPRINTF_REGISTER(bbp);
- RT2X00DEBUGFS_SPRINTF_REGISTER(rf);
- RT2X00DEBUGFS_SPRINTF_REGISTER(rfcsr);
-#undef RT2X00DEBUGFS_SPRINTF_REGISTER
-
- blob->size = strlen(blob->data);
-
- return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
-}
-
-void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
-{
- const struct rt2x00debug *debug = rt2x00dev->ops->debugfs;
- struct rt2x00debug_intf *intf;
-
- intf = kzalloc(sizeof(struct rt2x00debug_intf), GFP_KERNEL);
- if (!intf) {
- rt2x00_err(rt2x00dev, "Failed to allocate debug handler\n");
- return;
- }
-
- intf->debug = debug;
- intf->rt2x00dev = rt2x00dev;
- rt2x00dev->debugfs_intf = intf;
-
- intf->driver_folder =
- debugfs_create_dir(intf->rt2x00dev->ops->name,
- rt2x00dev->hw->wiphy->debugfsdir);
- if (IS_ERR(intf->driver_folder) || !intf->driver_folder)
- goto exit;
-
- intf->driver_entry =
- rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob);
- if (IS_ERR(intf->driver_entry) || !intf->driver_entry)
- goto exit;
-
- intf->chipset_entry =
- rt2x00debug_create_file_chipset("chipset",
- intf, &intf->chipset_blob);
- if (IS_ERR(intf->chipset_entry) || !intf->chipset_entry)
- goto exit;
-
- intf->dev_flags = debugfs_create_file("dev_flags", S_IRUSR,
- intf->driver_folder, intf,
- &rt2x00debug_fop_dev_flags);
- if (IS_ERR(intf->dev_flags) || !intf->dev_flags)
- goto exit;
-
- intf->cap_flags = debugfs_create_file("cap_flags", S_IRUSR,
- intf->driver_folder, intf,
- &rt2x00debug_fop_cap_flags);
- if (IS_ERR(intf->cap_flags) || !intf->cap_flags)
- goto exit;
-
- intf->register_folder =
- debugfs_create_dir("register", intf->driver_folder);
- if (IS_ERR(intf->register_folder) || !intf->register_folder)
- goto exit;
-
-#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
-({ \
- if(debug->__name.read) { \
- (__intf)->__name##_off_entry = \
- debugfs_create_u32(__stringify(__name) "_offset", \
- S_IRUSR | S_IWUSR, \
- (__intf)->register_folder, \
- &(__intf)->offset_##__name); \
- if (IS_ERR((__intf)->__name##_off_entry) \
- || !(__intf)->__name##_off_entry) \
- goto exit; \
- \
- (__intf)->__name##_val_entry = \
- debugfs_create_file(__stringify(__name) "_value", \
- S_IRUSR | S_IWUSR, \
- (__intf)->register_folder, \
- (__intf), &rt2x00debug_fop_##__name); \
- if (IS_ERR((__intf)->__name##_val_entry) \
- || !(__intf)->__name##_val_entry) \
- goto exit; \
- } \
-})
-
- RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, csr);
- RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, eeprom);
- RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, bbp);
- RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, rf);
- RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, rfcsr);
-
-#undef RT2X00DEBUGFS_CREATE_REGISTER_ENTRY
-
- intf->queue_folder =
- debugfs_create_dir("queue", intf->driver_folder);
- if (IS_ERR(intf->queue_folder) || !intf->queue_folder)
- goto exit;
-
- intf->queue_frame_dump_entry =
- debugfs_create_file("dump", S_IRUSR, intf->queue_folder,
- intf, &rt2x00debug_fop_queue_dump);
- if (IS_ERR(intf->queue_frame_dump_entry)
- || !intf->queue_frame_dump_entry)
- goto exit;
-
- skb_queue_head_init(&intf->frame_dump_skbqueue);
- init_waitqueue_head(&intf->frame_dump_waitqueue);
-
- intf->queue_stats_entry =
- debugfs_create_file("queue", S_IRUSR, intf->queue_folder,
- intf, &rt2x00debug_fop_queue_stats);
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
- if (rt2x00_has_cap_hw_crypto(rt2x00dev))
- intf->crypto_stats_entry =
- debugfs_create_file("crypto", S_IRUGO, intf->queue_folder,
- intf, &rt2x00debug_fop_crypto_stats);
-#endif
-
- return;
-
-exit:
- rt2x00debug_deregister(rt2x00dev);
- rt2x00_err(rt2x00dev, "Failed to register debug handler\n");
-}
-
-void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
-{
- struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
-
- if (unlikely(!intf))
- return;
-
- skb_queue_purge(&intf->frame_dump_skbqueue);
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
- debugfs_remove(intf->crypto_stats_entry);
-#endif
- debugfs_remove(intf->queue_stats_entry);
- debugfs_remove(intf->queue_frame_dump_entry);
- debugfs_remove(intf->queue_folder);
- debugfs_remove(intf->rfcsr_val_entry);
- debugfs_remove(intf->rfcsr_off_entry);
- debugfs_remove(intf->rf_val_entry);
- debugfs_remove(intf->rf_off_entry);
- debugfs_remove(intf->bbp_val_entry);
- debugfs_remove(intf->bbp_off_entry);
- debugfs_remove(intf->eeprom_val_entry);
- debugfs_remove(intf->eeprom_off_entry);
- debugfs_remove(intf->csr_val_entry);
- debugfs_remove(intf->csr_off_entry);
- debugfs_remove(intf->register_folder);
- debugfs_remove(intf->dev_flags);
- debugfs_remove(intf->cap_flags);
- debugfs_remove(intf->chipset_entry);
- debugfs_remove(intf->driver_entry);
- debugfs_remove(intf->driver_folder);
- kfree(intf->chipset_blob.data);
- kfree(intf->driver_blob.data);
- kfree(intf);
-
- rt2x00dev->debugfs_intf = NULL;
-}
projects / cascardo / linux.git / blobdiff