debugfs.c revision 54590e4d4b369c9fc0dcbb3c7f39eb90fbddcbe2
19cfc7bd608b97463993b4f3e4775d99022253f8dSven Eckelmann/* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: 2c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 3c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * Marek Lindner 4c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 5c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * This program is free software; you can redistribute it and/or 6c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * modify it under the terms of version 2 of the GNU General Public 7c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * License as published by the Free Software Foundation. 8c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 9c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * This program is distributed in the hope that it will be useful, but 10c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * WITHOUT ANY WARRANTY; without even the implied warranty of 11c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * General Public License for more details. 13c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 14c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * You should have received a copy of the GNU General Public License 15c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * along with this program; if not, write to the Free Software 16c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 17c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann * 02110-1301, USA 18c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann */ 19c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 20c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "main.h" 21c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 22c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include <linux/debugfs.h> 23c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 24c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "bat_debugfs.h" 25c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "translation-table.h" 26c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "originator.h" 27c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "hard-interface.h" 28c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_common.h" 29c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_client.h" 30c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "soft-interface.h" 31c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "vis.h" 32c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "icmp_socket.h" 339bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich#include "bridge_loop_avoidance.h" 34c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 359e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic struct dentry *batadv_debugfs; 36c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 37c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_BATMAN_ADV_DEBUG 38347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) 39347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK]) 40c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 419e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_buff_len = LOG_BUF_LEN; 42c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 439e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic void batadv_emit_log_char(struct debug_log *debug_log, char c) 44c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 45347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann BATADV_LOG_BUFF(debug_log->log_end) = c; 46c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_end++; 47c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 489e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) 499e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann debug_log->log_start = debug_log->log_end - batadv_log_buff_len; 50c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 51c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 52d3a547be40008be590c169ff2d5d73cc7fada71dSven Eckelmann__printf(2, 3) 539e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...) 54c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 55c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 56c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann static char debug_log_buf[256]; 57c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char *p; 58c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 59c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!debug_log) 60c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 61c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 62c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 63c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 641299bdaa1cb522de940d912f661bef59b9a39dd7Sven Eckelmann vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); 65c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 66c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 67c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann for (p = debug_log_buf; *p != 0; p++) 689e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_emit_log_char(debug_log, *p); 69c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 70c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 71c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 72c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann wake_up(&debug_log->queue_wait); 73c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 74c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 75c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 76c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 7740a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannint batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...) 78c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 79c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 80c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char tmp_log_buf[256]; 81c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 82c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 83c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); 849e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s", 859e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann jiffies_to_msecs(jiffies), tmp_log_buf); 86c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 87c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 88c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 89c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 90c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 919e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_open(struct inode *inode, struct file *file) 92c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 93c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann nonseekable_open(inode, file); 94c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file->private_data = inode->i_private; 953193e8fdfa355289892661d206d1954114a7be95Sven Eckelmann batadv_inc_module_count(); 96c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 97c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 98c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 999e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_release(struct inode *inode, struct file *file) 100c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 1013193e8fdfa355289892661d206d1954114a7be95Sven Eckelmann batadv_dec_module_count(); 102c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 103c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 104c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1059e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic ssize_t batadv_log_read(struct file *file, char __user *buf, 1069e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann size_t count, loff_t *ppos) 107c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 108c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = file->private_data; 109c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct debug_log *debug_log = bat_priv->debug_log; 110c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann int error, i = 0; 111c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char c; 112c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 113c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if ((file->f_flags & O_NONBLOCK) && 114c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann !(debug_log->log_end - debug_log->log_start)) 115c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EAGAIN; 116c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 11716f14b45c48f4f1be5857103ee3054114604d98cSven Eckelmann if (!buf) 118c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EINVAL; 119c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 120c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (count == 0) 121c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 122c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 123c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!access_ok(VERIFY_WRITE, buf, count)) 124c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EFAULT; 125c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 126c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = wait_event_interruptible(debug_log->queue_wait, 127c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start - debug_log->log_end)); 128c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 129c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (error) 130c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 131c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 132c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 133c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 134c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann while ((!error) && (i < count) && 135c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start != debug_log->log_end)) { 136347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann c = BATADV_LOG_BUFF(debug_log->log_start); 137c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 138c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_start++; 139c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 140c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 141c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 142c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = __put_user(c, buf); 143c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 144c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 145c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 146c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann buf++; 147c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann i++; 148c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 149c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 150c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 151c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 152c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 153c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!error) 154c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return i; 155c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 156c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 157c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 158c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1599e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic unsigned int batadv_log_poll(struct file *file, poll_table *wait) 160c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 161c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = file->private_data; 162c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct debug_log *debug_log = bat_priv->debug_log; 163c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 164c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann poll_wait(file, &debug_log->queue_wait, wait); 165c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 166c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (debug_log->log_end - debug_log->log_start) 167c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return POLLIN | POLLRDNORM; 168c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 169c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 170c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 171c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1729e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic const struct file_operations batadv_log_fops = { 1739e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .open = batadv_log_open, 1749e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .release = batadv_log_release, 1759e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .read = batadv_log_read, 1769e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .poll = batadv_log_poll, 177c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .llseek = no_llseek, 178c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 179c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1809e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_debug_log_setup(struct bat_priv *bat_priv) 181c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 182c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *d; 183c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 184c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 185c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 186c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 187704509b8d44886cebfbaff1a9813c35dfa986954Sven Eckelmann bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC); 188c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_log) 189c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 190c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 191c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_init(&bat_priv->debug_log->lock); 192c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann init_waitqueue_head(&bat_priv->debug_log->queue_wait); 193c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 194c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann d = debugfs_create_file("log", S_IFREG | S_IRUSR, 1959e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir, bat_priv, 1969e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_log_fops); 1975346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann if (!d) 198c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 199c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 200c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 201c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 202c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannerr: 2035346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann return -ENOMEM; 204c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 205c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2069e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic void batadv_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 */ 2129e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_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 2189e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic void batadv_debug_log_cleanup(struct bat_priv *bat_priv) 219c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 220c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return; 221c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 222c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif 223c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2249e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_algorithms_open(struct inode *inode, struct file *file) 2251c280471b013e26c833fc86acc231c73442cfa21Marek Lindner{ 2263193e8fdfa355289892661d206d1954114a7be95Sven Eckelmann return single_open(file, batadv_algo_seq_print_text, NULL); 2271c280471b013e26c833fc86acc231c73442cfa21Marek Lindner} 2281c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 2299e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_originators_open(struct inode *inode, struct file *file) 230c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 231c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2327d211efc5087bc8870fa3374da88b4bf8159e79bSven Eckelmann return single_open(file, batadv_orig_seq_print_text, net_dev); 233c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 234c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2359e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_gateways_open(struct inode *inode, struct file *file) 236c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 237c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2387cf06bc6ff810178a7fb9f12aaa6b274fc520f6fSven Eckelmann return single_open(file, batadv_gw_client_seq_print_text, net_dev); 239c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 240c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2419e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_global_open(struct inode *inode, struct file *file) 242c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 243c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 24408c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_global_seq_print_text, net_dev); 245c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 246c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2477a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 2489e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_bla_claim_table_open(struct inode *inode, struct file *file) 2499bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich{ 2509bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich struct net_device *net_dev = (struct net_device *)inode->i_private; 25108adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann return single_open(file, batadv_bla_claim_table_seq_print_text, 25208adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann net_dev); 2539bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich} 2547a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 2559bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich 2569e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_local_open(struct inode *inode, struct file *file) 257c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 258c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 25908c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_local_seq_print_text, net_dev); 260c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 261c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2629e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_vis_data_open(struct inode *inode, struct file *file) 263c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 264c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 265d0f714f472967577067853acc8dabe0abc75ae8fSven Eckelmann return single_open(file, batadv_vis_seq_print_text, net_dev); 266c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 267c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 268c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannstruct bat_debuginfo { 269c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct attribute attr; 270c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann const struct file_operations fops; 271c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 272c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 273347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_DEBUGINFO(_name, _mode, _open) \ 2749e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstruct bat_debuginfo batadv_debuginfo_##_name = { \ 2759e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .attr = { .name = __stringify(_name), \ 2769e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .mode = _mode, }, \ 2779e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .fops = { .owner = THIS_MODULE, \ 2789e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .open = _open, \ 2799e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .read = seq_read, \ 2809e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .llseek = seq_lseek, \ 2819e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .release = single_release, \ 2829e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann } \ 283c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 284c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 285347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open); 286347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); 287347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); 288347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(transtable_global, S_IRUGO, 289347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann batadv_transtable_global_open); 2907a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 291347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open); 2927a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 293347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(transtable_local, S_IRUGO, 294347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann batadv_transtable_local_open); 295347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open); 296c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2979e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic struct bat_debuginfo *batadv_mesh_debuginfos[] = { 2989e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_originators, 2999e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_gateways, 3009e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_global, 3017a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 3029e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_bla_claim_table, 3037a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 3049e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_local, 3059e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_vis_data, 306c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann NULL, 307c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 308c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 30940a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_init(void) 310c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 3111c280471b013e26c833fc86acc231c73442cfa21Marek Lindner struct bat_debuginfo *bat_debug; 3121c280471b013e26c833fc86acc231c73442cfa21Marek Lindner struct dentry *file; 3131c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 31454590e4d4b369c9fc0dcbb3c7f39eb90fbddcbe2Sven Eckelmann batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); 3159e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs == ERR_PTR(-ENODEV)) 3169e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debugfs = NULL; 3171c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 3189e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 3191c280471b013e26c833fc86acc231c73442cfa21Marek Lindner goto out; 3201c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 3219e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_debug = &batadv_debuginfo_routing_algos; 3221c280471b013e26c833fc86acc231c73442cfa21Marek Lindner file = debugfs_create_file(bat_debug->attr.name, 3231c280471b013e26c833fc86acc231c73442cfa21Marek Lindner S_IFREG | bat_debug->attr.mode, 3249e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debugfs, NULL, &bat_debug->fops); 3251c280471b013e26c833fc86acc231c73442cfa21Marek Lindner if (!file) 3261c280471b013e26c833fc86acc231c73442cfa21Marek Lindner pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name); 3271c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 3281c280471b013e26c833fc86acc231c73442cfa21Marek Lindnerout: 3291c280471b013e26c833fc86acc231c73442cfa21Marek Lindner return; 330c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 331c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 33240a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_destroy(void) 333c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 3349e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs) { 3359e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann debugfs_remove_recursive(batadv_debugfs); 3369e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debugfs = NULL; 337c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 338c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 339c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 34040a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannint batadv_debugfs_add_meshif(struct net_device *dev) 341c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 342c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = netdev_priv(dev); 343c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_debuginfo **bat_debug; 344c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *file; 345c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3469e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 347c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 348c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3499e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs); 350c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 351c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 352c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3539039dc7e8a42864744665bf0905f48c2724f6e3eSven Eckelmann if (batadv_socket_setup(bat_priv) < 0) 3545346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 3555346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann 3569e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debug_log_setup(bat_priv) < 0) 3575346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 358c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3599e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { 360c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file = debugfs_create_file(((*bat_debug)->attr).name, 361c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann S_IFREG | ((*bat_debug)->attr).mode, 362c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir, 363c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann dev, &(*bat_debug)->fops); 364c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!file) { 3653e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann batadv_err(dev, "Can't add debugfs file: %s/%s\n", 3663e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann dev->name, ((*bat_debug)->attr).name); 367c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto rem_attr; 368c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 369c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 370c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 371c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 372c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannrem_attr: 373c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 374c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 375c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannout: 376c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_DEBUG_FS 377c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -ENOMEM; 378c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else 379c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 380c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif /* CONFIG_DEBUG_FS */ 381c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 382c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 38340a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_del_meshif(struct net_device *dev) 384c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 385c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct bat_priv *bat_priv = netdev_priv(dev); 386c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3879e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debug_log_cleanup(bat_priv); 388c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3899e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs) { 390c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 391c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 392c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 393c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 394