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path: root/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c556
1 files changed, 0 insertions, 556 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
deleted file mode 100644
index 76e9dd843fa..00000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/*
-
- Broadcom BCM43xx wireless driver
-
- debugfs driver debugging code
-
- Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de>
-
- 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; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
-*/
-
-
-
-#include <linux/fs.h>
-#include <linux/debugfs.h>
-#include <linux/slab.h>
-#include <linux/netdevice.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-#include "bcm43xx.h"
-#include "bcm43xx_main.h"
-#include "bcm43xx_debugfs.h"
-#include "bcm43xx_dma.h"
-#include "bcm43xx_pio.h"
-#include "bcm43xx_xmit.h"
-
-#define REALLY_BIG_BUFFER_SIZE (1024*256)
-
-static struct bcm43xx_debugfs fs;
-static char really_big_buffer[REALLY_BIG_BUFFER_SIZE];
-static DECLARE_MUTEX(big_buffer_sem);
-
-
-static ssize_t write_file_dummy(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- return count;
-}
-
-static int open_file_generic(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-#define fappend(fmt, x...) pos += snprintf(buf + pos, len - pos, fmt , ##x)
-
-static ssize_t devinfo_read_file(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- const size_t len = REALLY_BIG_BUFFER_SIZE;
-
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- size_t pos = 0;
- ssize_t res;
- struct net_device *net_dev;
- struct pci_dev *pci_dev;
- unsigned long flags;
- u16 tmp16;
- int i;
-
- down(&big_buffer_sem);
-
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
- fappend("Board not initialized.\n");
- goto out;
- }
- net_dev = bcm->net_dev;
- pci_dev = bcm->pci_dev;
-
- /* This is where the information is written to the "devinfo" file */
- fappend("*** %s devinfo ***\n", net_dev->name);
- fappend("vendor: 0x%04x device: 0x%04x\n",
- pci_dev->vendor, pci_dev->device);
- fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n",
- pci_dev->subsystem_vendor, pci_dev->subsystem_device);
- fappend("IRQ: %d\n", bcm->irq);
- fappend("mmio_addr: 0x%p\n", bcm->mmio_addr);
- fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev);
- if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16)))
- fappend("Radio disabled by hardware!\n");
- if ((bcm->core_80211[0].rev < 3) && !(bcm43xx_read16(bcm, 0x049A) & (1 << 4)))
- fappend("Radio disabled by hardware!\n");
- fappend("board_vendor: 0x%04x board_type: 0x%04x\n", bcm->board_vendor,
- bcm->board_type);
-
- fappend("\nCores:\n");
-#define fappend_core(name, info) fappend("core \"" name "\" %s, %s, id: 0x%04x, " \
- "rev: 0x%02x, index: 0x%02x\n", \
- (info).available \
- ? "available" : "nonavailable", \
- (info).enabled \
- ? "enabled" : "disabled", \
- (info).id, (info).rev, (info).index)
- fappend_core("CHIPCOMMON", bcm->core_chipcommon);
- fappend_core("PCI", bcm->core_pci);
- fappend_core("first 80211", bcm->core_80211[0]);
- fappend_core("second 80211", bcm->core_80211[1]);
-#undef fappend_core
- tmp16 = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
- fappend("LEDs: ");
- for (i = 0; i < BCM43xx_NR_LEDS; i++)
- fappend("%d ", !!(tmp16 & (1 << i)));
- fappend("\n");
-
-out:
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t drvinfo_read_file(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- const size_t len = REALLY_BIG_BUFFER_SIZE;
-
- char *buf = really_big_buffer;
- size_t pos = 0;
- ssize_t res;
-
- down(&big_buffer_sem);
-
- /* This is where the information is written to the "driver" file */
- fappend(KBUILD_MODNAME " driver\n");
- fappend("Compiled at: %s %s\n", __DATE__, __TIME__);
-
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t spromdump_read_file(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- const size_t len = REALLY_BIG_BUFFER_SIZE;
-
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- size_t pos = 0;
- ssize_t res;
- unsigned long flags;
-
- down(&big_buffer_sem);
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
- fappend("Board not initialized.\n");
- goto out;
- }
-
- /* This is where the information is written to the "sprom_dump" file */
- fappend("boardflags: 0x%04x\n", bcm->sprom.boardflags);
-
-out:
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t tsf_read_file(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- const size_t len = REALLY_BIG_BUFFER_SIZE;
-
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- size_t pos = 0;
- ssize_t res;
- unsigned long flags;
- u64 tsf;
-
- down(&big_buffer_sem);
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
- fappend("Board not initialized.\n");
- goto out;
- }
- bcm43xx_tsf_read(bcm, &tsf);
- fappend("0x%08x%08x\n",
- (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32),
- (unsigned int)(tsf & 0xFFFFFFFFULL));
-
-out:
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t tsf_write_file(struct file *file, const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- ssize_t buf_size;
- ssize_t res;
- unsigned long flags;
- unsigned long long tsf;
-
- buf_size = min(count, sizeof (really_big_buffer) - 1);
- down(&big_buffer_sem);
- if (copy_from_user(buf, user_buf, buf_size)) {
- res = -EFAULT;
- goto out_up;
- }
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
- printk(KERN_INFO PFX "debugfs: Board not initialized.\n");
- res = -EFAULT;
- goto out_unlock;
- }
- if (sscanf(buf, "%lli", &tsf) != 1) {
- printk(KERN_INFO PFX "debugfs: invalid values for \"tsf\"\n");
- res = -EINVAL;
- goto out_unlock;
- }
- bcm43xx_tsf_write(bcm, tsf);
- mmiowb();
- res = buf_size;
-
-out_unlock:
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-out_up:
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t txstat_read_file(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- const size_t len = REALLY_BIG_BUFFER_SIZE;
-
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- size_t pos = 0;
- ssize_t res;
- unsigned long flags;
- struct bcm43xx_dfsentry *e;
- struct bcm43xx_xmitstatus *status;
- int i, cnt, j = 0;
-
- down(&big_buffer_sem);
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
-
- fappend("Last %d logged xmitstatus blobs (Latest first):\n\n",
- BCM43xx_NR_LOGGED_XMITSTATUS);
- e = bcm->dfsentry;
- if (e->xmitstatus_printing == 0) {
- /* At the beginning, make a copy of all data to avoid
- * concurrency, as this function is called multiple
- * times for big logs. Without copying, the data might
- * change between reads. This would result in total trash.
- */
- e->xmitstatus_printing = 1;
- e->saved_xmitstatus_ptr = e->xmitstatus_ptr;
- e->saved_xmitstatus_cnt = e->xmitstatus_cnt;
- memcpy(e->xmitstatus_print_buffer, e->xmitstatus_buffer,
- BCM43xx_NR_LOGGED_XMITSTATUS * sizeof(*(e->xmitstatus_buffer)));
- }
- i = e->saved_xmitstatus_ptr - 1;
- if (i < 0)
- i = BCM43xx_NR_LOGGED_XMITSTATUS - 1;
- cnt = e->saved_xmitstatus_cnt;
- while (cnt) {
- status = e->xmitstatus_print_buffer + i;
- fappend("0x%02x: cookie: 0x%04x, flags: 0x%02x, "
- "cnt1: 0x%02x, cnt2: 0x%02x, seq: 0x%04x, "
- "unk: 0x%04x\n", j,
- status->cookie, status->flags,
- status->cnt1, status->cnt2, status->seq,
- status->unknown);
- j++;
- cnt--;
- i--;
- if (i < 0)
- i = BCM43xx_NR_LOGGED_XMITSTATUS - 1;
- }
-
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (*ppos == pos) {
- /* Done. Drop the copied data. */
- e->xmitstatus_printing = 0;
- }
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
- up(&big_buffer_sem);
- return res;
-}
-
-static ssize_t restart_write_file(struct file *file, const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct bcm43xx_private *bcm = file->private_data;
- char *buf = really_big_buffer;
- ssize_t buf_size;
- ssize_t res;
- unsigned long flags;
-
- buf_size = min(count, sizeof (really_big_buffer) - 1);
- down(&big_buffer_sem);
- if (copy_from_user(buf, user_buf, buf_size)) {
- res = -EFAULT;
- goto out_up;
- }
- mutex_lock(&(bcm)->mutex);
- spin_lock_irqsave(&(bcm)->irq_lock, flags);
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
- printk(KERN_INFO PFX "debugfs: Board not initialized.\n");
- res = -EFAULT;
- goto out_unlock;
- }
- if (count > 0 && buf[0] == '1') {
- bcm43xx_controller_restart(bcm, "manually restarted");
- res = count;
- } else
- res = -EINVAL;
-
-out_unlock:
- spin_unlock_irqrestore(&(bcm)->irq_lock, flags);
- mutex_unlock(&(bcm)->mutex);
-out_up:
- up(&big_buffer_sem);
- return res;
-}
-
-#undef fappend
-
-
-static const struct file_operations devinfo_fops = {
- .read = devinfo_read_file,
- .write = write_file_dummy,
- .open = open_file_generic,
-};
-
-static const struct file_operations spromdump_fops = {
- .read = spromdump_read_file,
- .write = write_file_dummy,
- .open = open_file_generic,
-};
-
-static const struct file_operations drvinfo_fops = {
- .read = drvinfo_read_file,
- .write = write_file_dummy,
- .open = open_file_generic,
-};
-
-static const struct file_operations tsf_fops = {
- .read = tsf_read_file,
- .write = tsf_write_file,
- .open = open_file_generic,
-};
-
-static const struct file_operations txstat_fops = {
- .read = txstat_read_file,
- .write = write_file_dummy,
- .open = open_file_generic,
-};
-
-static const struct file_operations restart_fops = {
- .write = restart_write_file,
- .open = open_file_generic,
-};
-
-
-void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_dfsentry *e;
- char devdir[IFNAMSIZ];
-
- assert(bcm);
- e = kzalloc(sizeof(*e), GFP_KERNEL);
- if (!e) {
- printk(KERN_ERR PFX "out of memory\n");
- return;
- }
- e->bcm = bcm;
- e->xmitstatus_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS
- * sizeof(*(e->xmitstatus_buffer)),
- GFP_KERNEL);
- if (!e->xmitstatus_buffer) {
- printk(KERN_ERR PFX "out of memory\n");
- kfree(e);
- return;
- }
- e->xmitstatus_print_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS
- * sizeof(*(e->xmitstatus_buffer)),
- GFP_KERNEL);
- if (!e->xmitstatus_print_buffer) {
- printk(KERN_ERR PFX "out of memory\n");
- kfree(e);
- return;
- }
-
-
- bcm->dfsentry = e;
-
- strncpy(devdir, bcm->net_dev->name, ARRAY_SIZE(devdir));
- e->subdir = debugfs_create_dir(devdir, fs.root);
- e->dentry_devinfo = debugfs_create_file("devinfo", 0444, e->subdir,
- bcm, &devinfo_fops);
- if (!e->dentry_devinfo)
- printk(KERN_ERR PFX "debugfs: creating \"devinfo\" for \"%s\" failed!\n", devdir);
- e->dentry_spromdump = debugfs_create_file("sprom_dump", 0444, e->subdir,
- bcm, &spromdump_fops);
- if (!e->dentry_spromdump)
- printk(KERN_ERR PFX "debugfs: creating \"sprom_dump\" for \"%s\" failed!\n", devdir);
- e->dentry_tsf = debugfs_create_file("tsf", 0666, e->subdir,
- bcm, &tsf_fops);
- if (!e->dentry_tsf)
- printk(KERN_ERR PFX "debugfs: creating \"tsf\" for \"%s\" failed!\n", devdir);
- e->dentry_txstat = debugfs_create_file("tx_status", 0444, e->subdir,
- bcm, &txstat_fops);
- if (!e->dentry_txstat)
- printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir);
- e->dentry_restart = debugfs_create_file("restart", 0222, e->subdir,
- bcm, &restart_fops);
- if (!e->dentry_restart)
- printk(KERN_ERR PFX "debugfs: creating \"restart\" for \"%s\" failed!\n", devdir);
-}
-
-void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_dfsentry *e;
-
- if (!bcm)
- return;
-
- e = bcm->dfsentry;
- assert(e);
- debugfs_remove(e->dentry_spromdump);
- debugfs_remove(e->dentry_devinfo);
- debugfs_remove(e->dentry_tsf);
- debugfs_remove(e->dentry_txstat);
- debugfs_remove(e->dentry_restart);
- debugfs_remove(e->subdir);
- kfree(e->xmitstatus_buffer);
- kfree(e->xmitstatus_print_buffer);
- kfree(e);
-}
-
-void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status)
-{
- struct bcm43xx_dfsentry *e;
- struct bcm43xx_xmitstatus *savedstatus;
-
- /* This is protected by bcm->_lock */
- e = bcm->dfsentry;
- assert(e);
- savedstatus = e->xmitstatus_buffer + e->xmitstatus_ptr;
- memcpy(savedstatus, status, sizeof(*status));
- e->xmitstatus_ptr++;
- if (e->xmitstatus_ptr >= BCM43xx_NR_LOGGED_XMITSTATUS)
- e->xmitstatus_ptr = 0;
- if (e->xmitstatus_cnt < BCM43xx_NR_LOGGED_XMITSTATUS)
- e->xmitstatus_cnt++;
-}
-
-void bcm43xx_debugfs_init(void)
-{
- memset(&fs, 0, sizeof(fs));
- fs.root = debugfs_create_dir(KBUILD_MODNAME, NULL);
- if (!fs.root)
- printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "\" subdir failed!\n");
- fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root, NULL, &drvinfo_fops);
- if (!fs.dentry_driverinfo)
- printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "/driver\" failed!\n");
-}
-
-void bcm43xx_debugfs_exit(void)
-{
- debugfs_remove(fs.dentry_driverinfo);
- debugfs_remove(fs.root);
-}
-
-void bcm43xx_printk_dump(const char *data,
- size_t size,
- const char *description)
-{
- size_t i;
- char c;
-
- printk(KERN_INFO PFX "Data dump (%s, %zd bytes):",
- description, size);
- for (i = 0; i < size; i++) {
- c = data[i];
- if (i % 8 == 0)
- printk("\n" KERN_INFO PFX "0x%08zx: 0x%02x, ", i, c & 0xff);
- else
- printk("0x%02x, ", c & 0xff);
- }
- printk("\n");
-}
-
-void bcm43xx_printk_bitdump(const unsigned char *data,
- size_t bytes, int msb_to_lsb,
- const char *description)
-{
- size_t i;
- int j;
- const unsigned char *d;
-
- printk(KERN_INFO PFX "*** Bitdump (%s, %zd bytes, %s) ***",
- description, bytes, msb_to_lsb ? "MSB to LSB" : "LSB to MSB");
- for (i = 0; i < bytes; i++) {
- d = data + i;
- if (i % 8 == 0)
- printk("\n" KERN_INFO PFX "0x%08zx: ", i);
- if (msb_to_lsb) {
- for (j = 7; j >= 0; j--) {
- if (*d & (1 << j))
- printk("1");
- else
- printk("0");
- }
- } else {
- for (j = 0; j < 8; j++) {
- if (*d & (1 << j))
- printk("1");
- else
- printk("0");
- }
- }
- printk(" ");
- }
- printk("\n");
-}