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Diffstat (limited to 'net/batman-adv/debugfs.c')
-rw-r--r--net/batman-adv/debugfs.c474
1 files changed, 0 insertions, 474 deletions
diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
deleted file mode 100644
index f186a55b23c3..000000000000
--- a/net/batman-adv/debugfs.c
+++ /dev/null
@@ -1,474 +0,0 @@
-/* Copyright (C) 2010-2013 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- */
-
-#include "main.h"
-
-#include <linux/debugfs.h>
-
-#include "debugfs.h"
-#include "translation-table.h"
-#include "originator.h"
-#include "hard-interface.h"
-#include "gateway_common.h"
-#include "gateway_client.h"
-#include "soft-interface.h"
-#include "vis.h"
-#include "icmp_socket.h"
-#include "bridge_loop_avoidance.h"
-#include "distributed-arp-table.h"
-#include "network-coding.h"
-
-static struct dentry *batadv_debugfs;
-
-#ifdef CONFIG_BATMAN_ADV_DEBUG
-#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
-
-static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
-
-static char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log,
- size_t idx)
-{
- return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK];
-}
-
-static void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log,
- char c)
-{
- char *char_addr;
-
- char_addr = batadv_log_char_addr(debug_log, debug_log->log_end);
- *char_addr = c;
- debug_log->log_end++;
-
- if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
- debug_log->log_start = debug_log->log_end - batadv_log_buff_len;
-}
-
-__printf(2, 3)
-static int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log,
- const char *fmt, ...)
-{
- va_list args;
- static char debug_log_buf[256];
- char *p;
-
- if (!debug_log)
- return 0;
-
- spin_lock_bh(&debug_log->lock);
- va_start(args, fmt);
- vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args);
- va_end(args);
-
- for (p = debug_log_buf; *p != 0; p++)
- batadv_emit_log_char(debug_log, *p);
-
- spin_unlock_bh(&debug_log->lock);
-
- wake_up(&debug_log->queue_wait);
-
- return 0;
-}
-
-int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
-{
- va_list args;
- char tmp_log_buf[256];
-
- va_start(args, fmt);
- vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
- batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s",
- jiffies_to_msecs(jiffies), tmp_log_buf);
- va_end(args);
-
- return 0;
-}
-
-static int batadv_log_open(struct inode *inode, struct file *file)
-{
- if (!try_module_get(THIS_MODULE))
- return -EBUSY;
-
- nonseekable_open(inode, file);
- file->private_data = inode->i_private;
- return 0;
-}
-
-static int batadv_log_release(struct inode *inode, struct file *file)
-{
- module_put(THIS_MODULE);
- return 0;
-}
-
-static int batadv_log_empty(struct batadv_priv_debug_log *debug_log)
-{
- return !(debug_log->log_start - debug_log->log_end);
-}
-
-static ssize_t batadv_log_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct batadv_priv *bat_priv = file->private_data;
- struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
- int error, i = 0;
- char *char_addr;
- char c;
-
- if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
- return -EAGAIN;
-
- if (!buf)
- return -EINVAL;
-
- if (count == 0)
- return 0;
-
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
- error = wait_event_interruptible(debug_log->queue_wait,
- (!batadv_log_empty(debug_log)));
-
- if (error)
- return error;
-
- spin_lock_bh(&debug_log->lock);
-
- while ((!error) && (i < count) &&
- (debug_log->log_start != debug_log->log_end)) {
- char_addr = batadv_log_char_addr(debug_log,
- debug_log->log_start);
- c = *char_addr;
-
- debug_log->log_start++;
-
- spin_unlock_bh(&debug_log->lock);
-
- error = __put_user(c, buf);
-
- spin_lock_bh(&debug_log->lock);
-
- buf++;
- i++;
- }
-
- spin_unlock_bh(&debug_log->lock);
-
- if (!error)
- return i;
-
- return error;
-}
-
-static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
-{
- struct batadv_priv *bat_priv = file->private_data;
- struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
-
- poll_wait(file, &debug_log->queue_wait, wait);
-
- if (!batadv_log_empty(debug_log))
- return POLLIN | POLLRDNORM;
-
- return 0;
-}
-
-static const struct file_operations batadv_log_fops = {
- .open = batadv_log_open,
- .release = batadv_log_release,
- .read = batadv_log_read,
- .poll = batadv_log_poll,
- .llseek = no_llseek,
-};
-
-static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
-{
- struct dentry *d;
-
- if (!bat_priv->debug_dir)
- goto err;
-
- bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
- if (!bat_priv->debug_log)
- goto err;
-
- spin_lock_init(&bat_priv->debug_log->lock);
- init_waitqueue_head(&bat_priv->debug_log->queue_wait);
-
- d = debugfs_create_file("log", S_IFREG | S_IRUSR,
- bat_priv->debug_dir, bat_priv,
- &batadv_log_fops);
- if (!d)
- goto err;
-
- return 0;
-
-err:
- return -ENOMEM;
-}
-
-static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
-{
- kfree(bat_priv->debug_log);
- bat_priv->debug_log = NULL;
-}
-#else /* CONFIG_BATMAN_ADV_DEBUG */
-static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
-{
- return 0;
-}
-
-static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
-{
- return;
-}
-#endif
-
-static int batadv_algorithms_open(struct inode *inode, struct file *file)
-{
- return single_open(file, batadv_algo_seq_print_text, NULL);
-}
-
-static int batadv_originators_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_orig_seq_print_text, net_dev);
-}
-
-static int batadv_gateways_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_gw_client_seq_print_text, net_dev);
-}
-
-static int batadv_transtable_global_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_tt_global_seq_print_text, net_dev);
-}
-
-#ifdef CONFIG_BATMAN_ADV_BLA
-static int batadv_bla_claim_table_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_bla_claim_table_seq_print_text,
- net_dev);
-}
-
-static int batadv_bla_backbone_table_open(struct inode *inode,
- struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_bla_backbone_table_seq_print_text,
- net_dev);
-}
-
-#endif
-
-#ifdef CONFIG_BATMAN_ADV_DAT
-/**
- * batadv_dat_cache_open - Prepare file handler for reads from dat_chache
- * @inode: inode which was opened
- * @file: file handle to be initialized
- */
-static int batadv_dat_cache_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_dat_cache_seq_print_text, net_dev);
-}
-#endif
-
-static int batadv_transtable_local_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_tt_local_seq_print_text, net_dev);
-}
-
-static int batadv_vis_data_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_vis_seq_print_text, net_dev);
-}
-
-struct batadv_debuginfo {
- struct attribute attr;
- const struct file_operations fops;
-};
-
-#ifdef CONFIG_BATMAN_ADV_NC
-static int batadv_nc_nodes_open(struct inode *inode, struct file *file)
-{
- struct net_device *net_dev = (struct net_device *)inode->i_private;
- return single_open(file, batadv_nc_nodes_seq_print_text, net_dev);
-}
-#endif
-
-#define BATADV_DEBUGINFO(_name, _mode, _open) \
-struct batadv_debuginfo batadv_debuginfo_##_name = { \
- .attr = { .name = __stringify(_name), \
- .mode = _mode, }, \
- .fops = { .owner = THIS_MODULE, \
- .open = _open, \
- .read = seq_read, \
- .llseek = seq_lseek, \
- .release = single_release, \
- } \
-};
-
-/* the following attributes are general and therefore they will be directly
- * placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs
- */
-static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open);
-
-static struct batadv_debuginfo *batadv_general_debuginfos[] = {
- &batadv_debuginfo_routing_algos,
- NULL,
-};
-
-/* The following attributes are per soft interface */
-static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open);
-static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open);
-static BATADV_DEBUGINFO(transtable_global, S_IRUGO,
- batadv_transtable_global_open);
-#ifdef CONFIG_BATMAN_ADV_BLA
-static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open);
-static BATADV_DEBUGINFO(bla_backbone_table, S_IRUGO,
- batadv_bla_backbone_table_open);
-#endif
-#ifdef CONFIG_BATMAN_ADV_DAT
-static BATADV_DEBUGINFO(dat_cache, S_IRUGO, batadv_dat_cache_open);
-#endif
-static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
- batadv_transtable_local_open);
-static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open);
-#ifdef CONFIG_BATMAN_ADV_NC
-static BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open);
-#endif
-
-static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
- &batadv_debuginfo_originators,
- &batadv_debuginfo_gateways,
- &batadv_debuginfo_transtable_global,
-#ifdef CONFIG_BATMAN_ADV_BLA
- &batadv_debuginfo_bla_claim_table,
- &batadv_debuginfo_bla_backbone_table,
-#endif
-#ifdef CONFIG_BATMAN_ADV_DAT
- &batadv_debuginfo_dat_cache,
-#endif
- &batadv_debuginfo_transtable_local,
- &batadv_debuginfo_vis_data,
-#ifdef CONFIG_BATMAN_ADV_NC
- &batadv_debuginfo_nc_nodes,
-#endif
- NULL,
-};
-
-void batadv_debugfs_init(void)
-{
- struct batadv_debuginfo **bat_debug;
- struct dentry *file;
-
- batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
- if (batadv_debugfs == ERR_PTR(-ENODEV))
- batadv_debugfs = NULL;
-
- if (!batadv_debugfs)
- goto err;
-
- for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) {
- file = debugfs_create_file(((*bat_debug)->attr).name,
- S_IFREG | ((*bat_debug)->attr).mode,
- batadv_debugfs, NULL,
- &(*bat_debug)->fops);
- if (!file) {
- pr_err("Can't add general debugfs file: %s\n",
- ((*bat_debug)->attr).name);
- goto err;
- }
- }
-
- return;
-err:
- debugfs_remove_recursive(batadv_debugfs);
-}
-
-void batadv_debugfs_destroy(void)
-{
- debugfs_remove_recursive(batadv_debugfs);
- batadv_debugfs = NULL;
-}
-
-int batadv_debugfs_add_meshif(struct net_device *dev)
-{
- struct batadv_priv *bat_priv = netdev_priv(dev);
- struct batadv_debuginfo **bat_debug;
- struct dentry *file;
-
- if (!batadv_debugfs)
- goto out;
-
- bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
- if (!bat_priv->debug_dir)
- goto out;
-
- if (batadv_socket_setup(bat_priv) < 0)
- goto rem_attr;
-
- if (batadv_debug_log_setup(bat_priv) < 0)
- goto rem_attr;
-
- for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
- file = debugfs_create_file(((*bat_debug)->attr).name,
- S_IFREG | ((*bat_debug)->attr).mode,
- bat_priv->debug_dir,
- dev, &(*bat_debug)->fops);
- if (!file) {
- batadv_err(dev, "Can't add debugfs file: %s/%s\n",
- dev->name, ((*bat_debug)->attr).name);
- goto rem_attr;
- }
- }
-
- if (batadv_nc_init_debugfs(bat_priv) < 0)
- goto rem_attr;
-
- return 0;
-rem_attr:
- debugfs_remove_recursive(bat_priv->debug_dir);
- bat_priv->debug_dir = NULL;
-out:
-#ifdef CONFIG_DEBUG_FS
- return -ENOMEM;
-#else
- return 0;
-#endif /* CONFIG_DEBUG_FS */
-}
-
-void batadv_debugfs_del_meshif(struct net_device *dev)
-{
- struct batadv_priv *bat_priv = netdev_priv(dev);
-
- batadv_debug_log_cleanup(bat_priv);
-
- if (batadv_debugfs) {
- debugfs_remove_recursive(bat_priv->debug_dir);
- bat_priv->debug_dir = NULL;
- }
-}