LXR linux/net/wimax/debugfs.c

   1/*
   2 * Linux WiMAX
   3 * Debugfs support
   4 *
   5 *
   6 * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com>
   7 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License version
  11 * 2 as published by the Free Software Foundation.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21 * 02110-1301, USA.
  22 */
  23#include <linux/debugfs.h>
  24#include <linux/wimax.h>
  25#include "wimax-internal.h"
  26
  27#define D_SUBMODULE debugfs
  28#include "debug-levels.h"
  29
  30
  31#define __debugfs_register(prefix, name, parent)                        \
  32do {                                                                    \
  33        result = d_level_register_debugfs(prefix, name, parent);        \
  34        if (result < 0)                                                 \
  35                goto error;                                             \
  36} while (0)
  37
  38
  39int wimax_debugfs_add(struct wimax_dev *wimax_dev)
  40{
  41        int result;
  42        struct net_device *net_dev = wimax_dev->net_dev;
  43        struct device *dev = net_dev->dev.parent;
  44        struct dentry *dentry;
  45        char buf[128];
  46
  47        snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);
  48        dentry = debugfs_create_dir(buf, NULL);
  49        result = PTR_ERR(dentry);
  50        if (IS_ERR(dentry)) {
  51                if (result == -ENODEV)
  52                        result = 0;     /* No debugfs support */
  53                else
  54                        dev_err(dev, "Can't create debugfs dentry: %d\n",
  55                                result);
  56                goto out;
  57        }
  58        wimax_dev->debugfs_dentry = dentry;
  59        __debugfs_register("wimax_dl_", debugfs, dentry);
  60        __debugfs_register("wimax_dl_", id_table, dentry);
  61        __debugfs_register("wimax_dl_", op_msg, dentry);
  62        __debugfs_register("wimax_dl_", op_reset, dentry);
  63        __debugfs_register("wimax_dl_", op_rfkill, dentry);
  64        __debugfs_register("wimax_dl_", op_state_get, dentry);
  65        __debugfs_register("wimax_dl_", stack, dentry);
  66        result = 0;
  67out:
  68        return result;
  69
  70error:
  71        debugfs_remove_recursive(wimax_dev->debugfs_dentry);
  72        return result;
  73}
  74
  75void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
  76{
  77        debugfs_remove_recursive(wimax_dev->debugfs_dentry);
  78}
  79
  80
  81