debugfs.c revision d3a547be40008be590c169ff2d5d73cc7fada71d
1c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann/* 264afe35398269577ef9809474dd7dc0e5d265176Sven Eckelmann * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: 3c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 4c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * Marek Lindner 5c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 6c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * This program is free software; you can redistribute it and/or 7c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * modify it under the terms of version 2 of the GNU General Public 8c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * License as published by the Free Software Foundation. 9c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 10c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * This program is distributed in the hope that it will be useful, but 11c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * WITHOUT ANY WARRANTY; without even the implied warranty of 12c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * General Public License for more details. 14c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 15c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * You should have received a copy of the GNU General Public License 16c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * along with this program; if not, write to the Free Software 17c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 02110-1301, USA 19c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 20c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann */ 21c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 22c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "main.h" 23c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 24c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include <linux/debugfs.h> 25c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 26c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "bat_debugfs.h" 27c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "translation-table.h" 28c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "originator.h" 29c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "hard-interface.h" 30c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_common.h" 31c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_client.h" 32c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "soft-interface.h" 33c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "vis.h" 34c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "icmp_socket.h" 35c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 36c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic struct dentry *bat_debugfs; 37c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 38c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_BATMAN_ADV_DEBUG 39c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#define LOG_BUFF_MASK (log_buff_len-1) 40c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#define LOG_BUFF(idx) (debug_log->log_buff[(idx) & LOG_BUFF_MASK]) 41c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 42c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int log_buff_len = LOG_BUF_LEN; 43c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 44c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic void emit_log_char(struct debug_log *debug_log, char c) 45c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 46c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann LOG_BUFF(debug_log->log_end) = c; 47c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_end++; 48c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 49c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (debug_log->log_end - debug_log->log_start > log_buff_len) 50c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_start = debug_log->log_end - log_buff_len; 51c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 52c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 53d3a547be40008be590c169ff2d5d73cc7fada71dSven Eckelmann__printf(2, 3) 54c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int fdebug_log(struct debug_log *debug_log, char *fmt, ...) 55c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 56c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 57c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann static char debug_log_buf[256]; 58c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char *p; 59c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 60c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!debug_log) 61c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 62c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 63c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 64c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 651299bdaa1cb522de940d912f661bef59b9a39dd7Sven Eckelmann vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); 66c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 67c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 68c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann for (p = debug_log_buf; *p != 0; p++) 69c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann emit_log_char(debug_log, *p); 70c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 71c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 72c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 73c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann wake_up(&debug_log->queue_wait); 74c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 75c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 76c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 77c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 78c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannint debug_log(struct bat_priv *bat_priv, char *fmt, ...) 79c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 80c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 81c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char tmp_log_buf[256]; 82c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 83c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 84c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); 85c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann fdebug_log(bat_priv->debug_log, "[%10u] %s", 86c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (jiffies / HZ), tmp_log_buf); 87c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 88c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 89c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 90c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 91c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 92c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int log_open(struct inode *inode, struct file *file) 93c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 94c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann nonseekable_open(inode, file); 95c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file->private_data = inode->i_private; 96c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann inc_module_count(); 97c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 98c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 99c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 100c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int log_release(struct inode *inode, struct file *file) 101c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 102c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann dec_module_count(); 103c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 104c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 105c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 106c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic ssize_t log_read(struct file *file, char __user *buf, 107c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann size_t count, loff_t *ppos) 108c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 109c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = file->private_data; 110c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct debug_log *debug_log = bat_priv->debug_log; 111c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann int error, i = 0; 112c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char c; 113c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 114c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if ((file->f_flags & O_NONBLOCK) && 115c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann !(debug_log->log_end - debug_log->log_start)) 116c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EAGAIN; 117c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 118c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if ((!buf) || (count < 0)) 119c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EINVAL; 120c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 121c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (count == 0) 122c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 123c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 124c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!access_ok(VERIFY_WRITE, buf, count)) 125c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EFAULT; 126c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 127c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = wait_event_interruptible(debug_log->queue_wait, 128c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start - debug_log->log_end)); 129c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 130c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (error) 131c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 132c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 133c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 134c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 135c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann while ((!error) && (i < count) && 136c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start != debug_log->log_end)) { 137c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann c = LOG_BUFF(debug_log->log_start); 138c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 139c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_start++; 140c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 141c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 142c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 143c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = __put_user(c, buf); 144c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 145c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 146c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 147c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann buf++; 148c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann i++; 149c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 150c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 151c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 152c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 153c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 154c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!error) 155c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return i; 156c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 157c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 158c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 159c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 160c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic unsigned int log_poll(struct file *file, poll_table *wait) 161c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 162c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = file->private_data; 163c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct debug_log *debug_log = bat_priv->debug_log; 164c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 165c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann poll_wait(file, &debug_log->queue_wait, wait); 166c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 167c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (debug_log->log_end - debug_log->log_start) 168c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return POLLIN | POLLRDNORM; 169c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 170c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 171c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 172c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 173c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic const struct file_operations log_fops = { 174c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .open = log_open, 175c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .release = log_release, 176c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .read = log_read, 177c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .poll = log_poll, 178c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .llseek = no_llseek, 179c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 180c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 181c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int debug_log_setup(struct bat_priv *bat_priv) 182c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 183c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *d; 184c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 185c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 186c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 187c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 188c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_log = kzalloc(sizeof(struct debug_log), GFP_ATOMIC); 189c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_log) 190c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 191c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 192c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_init(&bat_priv->debug_log->lock); 193c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann init_waitqueue_head(&bat_priv->debug_log->queue_wait); 194c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 195c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann d = debugfs_create_file("log", S_IFREG | S_IRUSR, 196c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir, bat_priv, &log_fops); 197c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (d) 198c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 199c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 200c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 201c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 202c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannerr: 203c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 1; 204c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 205c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 206c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic void debug_log_cleanup(struct bat_priv *bat_priv) 207c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 208c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann kfree(bat_priv->debug_log); 209c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_log = NULL; 210c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 211c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else /* CONFIG_BATMAN_ADV_DEBUG */ 212c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int debug_log_setup(struct bat_priv *bat_priv) 213c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 214c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_log = NULL; 215c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 216c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 217c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 218c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic void debug_log_cleanup(struct bat_priv *bat_priv) 219c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 220c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return; 221c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 222c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif 223c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 224c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int originators_open(struct inode *inode, struct file *file) 225c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 226c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 227c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return single_open(file, orig_seq_print_text, net_dev); 228c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 229c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 230c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int gateways_open(struct inode *inode, struct file *file) 231c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 232c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 233c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return single_open(file, gw_client_seq_print_text, net_dev); 234c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 235c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 236c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int softif_neigh_open(struct inode *inode, struct file *file) 237c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 238c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 239c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return single_open(file, softif_neigh_seq_print_text, net_dev); 240c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 241c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 242c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int transtable_global_open(struct inode *inode, struct file *file) 243c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 244c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2452dafb49d84a9195193b28ac5047df1bbab6053b9Antonio Quartulli return single_open(file, tt_global_seq_print_text, net_dev); 246c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 247c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 248c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int transtable_local_open(struct inode *inode, struct file *file) 249c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 250c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2512dafb49d84a9195193b28ac5047df1bbab6053b9Antonio Quartulli return single_open(file, tt_local_seq_print_text, net_dev); 252c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 253c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 254c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic int vis_data_open(struct inode *inode, struct file *file) 255c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 256c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 257c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return single_open(file, vis_seq_print_text, net_dev); 258c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 259c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 260c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstruct bat_debuginfo { 261c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct attribute attr; 262c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann const struct file_operations fops; 263c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 264c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 265c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#define BAT_DEBUGINFO(_name, _mode, _open) \ 266c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstruct bat_debuginfo bat_debuginfo_##_name = { \ 267c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .attr = { .name = __stringify(_name), \ 268c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .mode = _mode, }, \ 269c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .fops = { .owner = THIS_MODULE, \ 270c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .open = _open, \ 271c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .read = seq_read, \ 272c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .llseek = seq_lseek, \ 273c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .release = single_release, \ 274c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } \ 275c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 276c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 277c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(originators, S_IRUGO, originators_open); 278c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open); 279c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(softif_neigh, S_IRUGO, softif_neigh_open); 280c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(transtable_global, S_IRUGO, transtable_global_open); 281c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open); 282c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open); 283c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 284c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstatic struct bat_debuginfo *mesh_debuginfos[] = { 285c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_originators, 286c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_gateways, 287c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_softif_neigh, 288c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_transtable_global, 289c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_transtable_local, 290c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann &bat_debuginfo_vis_data, 291c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann NULL, 292c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 293c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 294c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannvoid debugfs_init(void) 295c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 296c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL); 297c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (bat_debugfs == ERR_PTR(-ENODEV)) 298c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_debugfs = NULL; 299c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 300c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 301c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannvoid debugfs_destroy(void) 302c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 303c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (bat_debugfs) { 304c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_debugfs); 305c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_debugfs = NULL; 306c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 307c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 308c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 309c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannint debugfs_add_meshif(struct net_device *dev) 310c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 311c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = netdev_priv(dev); 312c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_debuginfo **bat_debug; 313c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *file; 314c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 315c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_debugfs) 316c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 317c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 318c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = debugfs_create_dir(dev->name, bat_debugfs); 319c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 320c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 321c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 322c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_socket_setup(bat_priv); 323c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log_setup(bat_priv); 324c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 325c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann for (bat_debug = mesh_debuginfos; *bat_debug; ++bat_debug) { 326c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file = debugfs_create_file(((*bat_debug)->attr).name, 327c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann S_IFREG | ((*bat_debug)->attr).mode, 328c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir, 329c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann dev, &(*bat_debug)->fops); 330c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!file) { 331c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_err(dev, "Can't add debugfs file: %s/%s\n", 332c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann dev->name, ((*bat_debug)->attr).name); 333c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto rem_attr; 334c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 335c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 336c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 337c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 338c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannrem_attr: 339c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 340c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 341c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannout: 342c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_DEBUG_FS 343c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -ENOMEM; 344c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else 345c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 346c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif /* CONFIG_DEBUG_FS */ 347c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 348c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 349c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannvoid debugfs_del_meshif(struct net_device *dev) 350c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 351c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = netdev_priv(dev); 352c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 353c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log_cleanup(bat_priv); 354c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 355c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (bat_debugfs) { 356c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 357c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 358c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 359c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 360