From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: AndrĂ© Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/wireless/rt2x00/rt2x00debug.c | 800 ------------------------------ 1 file changed, 800 deletions(-) delete mode 100644 drivers/net/wireless/rt2x00/rt2x00debug.c (limited to 'drivers/net/wireless/rt2x00/rt2x00debug.c') diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c deleted file mode 100644 index 90fdb02b5..000000000 --- a/drivers/net/wireless/rt2x00/rt2x00debug.c +++ /dev/null @@ -1,800 +0,0 @@ -/* - Copyright (C) 2004 - 2009 Ivo van Doorn - - - 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 . - */ - -/* - Module: rt2x00lib - Abstract: rt2x00 debugfs specific routines. - */ - -#include -#include -#include -#include -#include -#include -#include - -#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; -} -- cgit v1.2.3-54-g00ecf