debugfs.c revision 5bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6
10b87393146244c2dc31cb3c69c45f4948ca94ee1Antonio Quartulli/* Copyright (C) 2010-2013 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 15ebf38fb7ab18ba60460bbd03de760ad5a2f435ebAntonio Quartulli * along with this program; if not, see <http://www.gnu.org/licenses/>. 16c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann */ 17c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 18c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "main.h" 19c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 20c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include <linux/debugfs.h> 21c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 22b706b13b6cfde22d1f4adc540fd89426247c1e3eSven Eckelmann#include "debugfs.h" 23c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "translation-table.h" 24c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "originator.h" 25c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "hard-interface.h" 26c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_common.h" 27c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "gateway_client.h" 28c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "soft-interface.h" 29c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#include "icmp_socket.h" 309bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich#include "bridge_loop_avoidance.h" 312f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli#include "distributed-arp-table.h" 32d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#include "network-coding.h" 33c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 349e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic struct dentry *batadv_debugfs; 35c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 36c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_BATMAN_ADV_DEBUG 37347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) 38c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 39a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmannstatic const int batadv_log_buff_len = BATADV_LOG_BUF_LEN; 40a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann 410abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log, 42a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann size_t idx) 43a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann{ 44a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK]; 45a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann} 46c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 470abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log, 480abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner char c) 49c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 50a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char *char_addr; 51a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann 52a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char_addr = batadv_log_char_addr(debug_log, debug_log->log_end); 53a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann *char_addr = c; 54c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_end++; 55c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 569e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) 579e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann debug_log->log_start = debug_log->log_end - batadv_log_buff_len; 58c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 59c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 60d3a547be40008be590c169ff2d5d73cc7fada71dSven Eckelmann__printf(2, 3) 610abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log, 6256303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann const char *fmt, ...) 63c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 64c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 65c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann static char debug_log_buf[256]; 66c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char *p; 67c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 68c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!debug_log) 69c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 70c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 71c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 72c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 731299bdaa1cb522de940d912f661bef59b9a39dd7Sven Eckelmann vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); 74c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 75c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 76c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann for (p = debug_log_buf; *p != 0; p++) 779e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_emit_log_char(debug_log, *p); 78c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 79c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 80c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 81c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann wake_up(&debug_log->queue_wait); 82c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 83c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 84c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 85c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 8656303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannint batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) 87c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 88c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 89c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char tmp_log_buf[256]; 90c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 91c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 92c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); 939e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s", 949e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann jiffies_to_msecs(jiffies), tmp_log_buf); 95c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 96c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 97c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 98c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 99c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1009e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_open(struct inode *inode, struct file *file) 101c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 102bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann if (!try_module_get(THIS_MODULE)) 103bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann return -EBUSY; 104bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann 105c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann nonseekable_open(inode, file); 106c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file->private_data = inode->i_private; 107c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 108c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 109c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1109e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_release(struct inode *inode, struct file *file) 111c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 112bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann module_put(THIS_MODULE); 113c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 114c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 115c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1160abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic int batadv_log_empty(struct batadv_priv_debug_log *debug_log) 1170aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann{ 1180aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann return !(debug_log->log_start - debug_log->log_end); 1190aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann} 1200aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann 1219e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic ssize_t batadv_log_read(struct file *file, char __user *buf, 1229e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann size_t count, loff_t *ppos) 123c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 12456303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = file->private_data; 1250abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; 126c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann int error, i = 0; 127a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char *char_addr; 128c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char c; 129c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1300aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log)) 131c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EAGAIN; 132c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 13316f14b45c48f4f1be5857103ee3054114604d98cSven Eckelmann if (!buf) 134c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EINVAL; 135c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 136c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (count == 0) 137c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 138c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 139c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!access_ok(VERIFY_WRITE, buf, count)) 140c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EFAULT; 141c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 142c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = wait_event_interruptible(debug_log->queue_wait, 1430aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann (!batadv_log_empty(debug_log))); 144c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 145c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (error) 146c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 147c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 148c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 149c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 150c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann while ((!error) && (i < count) && 151c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start != debug_log->log_end)) { 152a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char_addr = batadv_log_char_addr(debug_log, 153a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann debug_log->log_start); 154a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann c = *char_addr; 155c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 156c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_start++; 157c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 158c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 159c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 160c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = __put_user(c, buf); 161c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 162c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 163c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 164c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann buf++; 165c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann i++; 166c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 167c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 168c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 169c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 170c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!error) 171c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return i; 172c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 173c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 174c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 175c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1769e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic unsigned int batadv_log_poll(struct file *file, poll_table *wait) 177c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 17856303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = file->private_data; 1790abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; 180c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 181c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann poll_wait(file, &debug_log->queue_wait, wait); 182c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1830aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann if (!batadv_log_empty(debug_log)) 184c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return POLLIN | POLLRDNORM; 185c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 186c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 187c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 188c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1899e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic const struct file_operations batadv_log_fops = { 1909e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .open = batadv_log_open, 1919e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .release = batadv_log_release, 1929e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .read = batadv_log_read, 1939e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .poll = batadv_log_poll, 194c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .llseek = no_llseek, 195c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 196c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 19756303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic int batadv_debug_log_setup(struct batadv_priv *bat_priv) 198c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 199c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *d; 200c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 201c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 202c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 203c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 204704509b8d44886cebfbaff1a9813c35dfa986954Sven Eckelmann bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC); 205c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_log) 206c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 207c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 208c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_init(&bat_priv->debug_log->lock); 209c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann init_waitqueue_head(&bat_priv->debug_log->queue_wait); 210c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 211c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann d = debugfs_create_file("log", S_IFREG | S_IRUSR, 2129e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir, bat_priv, 2139e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_log_fops); 2145346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann if (!d) 215c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 216c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 217c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 218c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 219c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannerr: 2205346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann return -ENOMEM; 221c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 222c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 22356303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) 224c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 225c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann kfree(bat_priv->debug_log); 226c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_log = NULL; 227c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 228c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else /* CONFIG_BATMAN_ADV_DEBUG */ 22956303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic int batadv_debug_log_setup(struct batadv_priv *bat_priv) 230c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 231c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 232c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 233c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 23456303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) 235c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 236c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return; 237c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 238c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif 239c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2409e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_algorithms_open(struct inode *inode, struct file *file) 2411c280471b013e26c833fc86acc231c73442cfa21Marek Lindner{ 2423193e8fdfa355289892661d206d1954114a7be95Sven Eckelmann return single_open(file, batadv_algo_seq_print_text, NULL); 2431c280471b013e26c833fc86acc231c73442cfa21Marek Lindner} 2441c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 2459e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_originators_open(struct inode *inode, struct file *file) 246c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 247c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2487d211efc5087bc8870fa3374da88b4bf8159e79bSven Eckelmann return single_open(file, batadv_orig_seq_print_text, net_dev); 249c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 250c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2519e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_gateways_open(struct inode *inode, struct file *file) 252c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 253c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2547cf06bc6ff810178a7fb9f12aaa6b274fc520f6fSven Eckelmann return single_open(file, batadv_gw_client_seq_print_text, net_dev); 255c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 256c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2579e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_global_open(struct inode *inode, struct file *file) 258c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 259c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 26008c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_global_seq_print_text, net_dev); 261c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 262c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2637a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 2649e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_bla_claim_table_open(struct inode *inode, struct file *file) 2659bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich{ 2669bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich struct net_device *net_dev = (struct net_device *)inode->i_private; 26708adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann return single_open(file, batadv_bla_claim_table_seq_print_text, 26808adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann net_dev); 2699bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich} 270536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich 271536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlichstatic int batadv_bla_backbone_table_open(struct inode *inode, 272536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich struct file *file) 273536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich{ 274536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich struct net_device *net_dev = (struct net_device *)inode->i_private; 275536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich return single_open(file, batadv_bla_backbone_table_seq_print_text, 276536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich net_dev); 277536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich} 278536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich 2797a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 2809bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich 281172244748204c894864def59133d0133ccfabe30Antonio Quartulli#ifdef CONFIG_BATMAN_ADV_DAT 2822f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli/** 2832f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * batadv_dat_cache_open - Prepare file handler for reads from dat_chache 2842f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * @inode: inode which was opened 2852f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * @file: file handle to be initialized 2862f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli */ 2872f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartullistatic int batadv_dat_cache_open(struct inode *inode, struct file *file) 2882f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli{ 2892f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli struct net_device *net_dev = (struct net_device *)inode->i_private; 2902f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli return single_open(file, batadv_dat_cache_seq_print_text, net_dev); 2912f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli} 292172244748204c894864def59133d0133ccfabe30Antonio Quartulli#endif 2932f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli 2949e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_local_open(struct inode *inode, struct file *file) 295c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 296c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 29708c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_local_seq_print_text, net_dev); 298c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 299c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3007f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmannstruct batadv_debuginfo { 301c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct attribute attr; 302c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann const struct file_operations fops; 303c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 304c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 305d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#ifdef CONFIG_BATMAN_ADV_NC 306d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøllstatic int batadv_nc_nodes_open(struct inode *inode, struct file *file) 307d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll{ 308d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll struct net_device *net_dev = (struct net_device *)inode->i_private; 309d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll return single_open(file, batadv_nc_nodes_seq_print_text, net_dev); 310d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll} 311d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#endif 312d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll 313347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_DEBUGINFO(_name, _mode, _open) \ 3147f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmannstruct batadv_debuginfo batadv_debuginfo_##_name = { \ 3159e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .attr = { .name = __stringify(_name), \ 3169e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .mode = _mode, }, \ 3179e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .fops = { .owner = THIS_MODULE, \ 3189e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .open = _open, \ 3199e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .read = seq_read, \ 3209e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .llseek = seq_lseek, \ 3219e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .release = single_release, \ 3229e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann } \ 323c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 324c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 325637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli/* the following attributes are general and therefore they will be directly 326637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli * placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs 327637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli */ 328347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open); 329637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli 330637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartullistatic struct batadv_debuginfo *batadv_general_debuginfos[] = { 331637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli &batadv_debuginfo_routing_algos, 332637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli NULL, 333637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli}; 334637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli 335637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli/* The following attributes are per soft interface */ 336347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); 337347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); 338347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(transtable_global, S_IRUGO, 339347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann batadv_transtable_global_open); 3407a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 341347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open); 342536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlichstatic BATADV_DEBUGINFO(bla_backbone_table, S_IRUGO, 343536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich batadv_bla_backbone_table_open); 3447a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 345172244748204c894864def59133d0133ccfabe30Antonio Quartulli#ifdef CONFIG_BATMAN_ADV_DAT 3462f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartullistatic BATADV_DEBUGINFO(dat_cache, S_IRUGO, batadv_dat_cache_open); 347172244748204c894864def59133d0133ccfabe30Antonio Quartulli#endif 348347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(transtable_local, S_IRUGO, 349347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann batadv_transtable_local_open); 350d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#ifdef CONFIG_BATMAN_ADV_NC 351d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøllstatic BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open); 352d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#endif 353c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3547f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmannstatic struct batadv_debuginfo *batadv_mesh_debuginfos[] = { 3559e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_originators, 3569e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_gateways, 3579e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_global, 3587a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 3599e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_bla_claim_table, 360536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich &batadv_debuginfo_bla_backbone_table, 3617a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 362172244748204c894864def59133d0133ccfabe30Antonio Quartulli#ifdef CONFIG_BATMAN_ADV_DAT 3632f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli &batadv_debuginfo_dat_cache, 364172244748204c894864def59133d0133ccfabe30Antonio Quartulli#endif 3659e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_local, 366d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#ifdef CONFIG_BATMAN_ADV_NC 367d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll &batadv_debuginfo_nc_nodes, 368d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll#endif 369c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann NULL, 370c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 371c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3725bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich#define BATADV_HARDIF_DEBUGINFO(_name, _mode, _open) \ 3735bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichstruct batadv_debuginfo batadv_hardif_debuginfo_##_name = { \ 3745bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .attr = { \ 3755bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .name = __stringify(_name), \ 3765bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .mode = _mode, \ 3775bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich }, \ 3785bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .fops = { \ 3795bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .owner = THIS_MODULE, \ 3805bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .open = _open, \ 3815bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .read = seq_read, \ 3825bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .llseek = seq_lseek, \ 3835bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich .release = single_release, \ 3845bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich }, \ 3855bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich}; 3865bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 3875bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichstatic struct batadv_debuginfo *batadv_hardif_debuginfos[] = { 3885bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich NULL, 3895bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich}; 3905bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 39140a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_init(void) 392c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 393637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli struct batadv_debuginfo **bat_debug; 3941c280471b013e26c833fc86acc231c73442cfa21Marek Lindner struct dentry *file; 3951c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 39654590e4d4b369c9fc0dcbb3c7f39eb90fbddcbe2Sven Eckelmann batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); 3979e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs == ERR_PTR(-ENODEV)) 3989e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debugfs = NULL; 3991c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 4009e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 401637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli goto err; 4021c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 403637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) { 404637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli file = debugfs_create_file(((*bat_debug)->attr).name, 405637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli S_IFREG | ((*bat_debug)->attr).mode, 406637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli batadv_debugfs, NULL, 407637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli &(*bat_debug)->fops); 408637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli if (!file) { 409637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli pr_err("Can't add general debugfs file: %s\n", 410637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli ((*bat_debug)->attr).name); 411637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli goto err; 412637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli } 413637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli } 4141c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 4151c280471b013e26c833fc86acc231c73442cfa21Marek Lindner return; 416637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartullierr: 417637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli debugfs_remove_recursive(batadv_debugfs); 4185bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich batadv_debugfs = NULL; 419c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 420c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 42140a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_destroy(void) 422c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 4233f87c4239fa1df61beffbee2ca00e8ffbe31a5e3Antonio Quartulli debugfs_remove_recursive(batadv_debugfs); 4243f87c4239fa1df61beffbee2ca00e8ffbe31a5e3Antonio Quartulli batadv_debugfs = NULL; 425c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 426c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4275bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich/** 4285bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * batadv_debugfs_add_hardif - creates the base directory for a hard interface 4295bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * in debugfs. 4305bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * @hard_iface: hard interface which should be added. 4315bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich */ 4325bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichint batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface) 4335bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich{ 4345bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich struct batadv_debuginfo **bat_debug; 4355bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich struct dentry *file; 4365bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 4375bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich if (!batadv_debugfs) 4385bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich goto out; 4395bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 4405bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name, 4415bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich batadv_debugfs); 4425bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich if (!hard_iface->debug_dir) 4435bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich goto out; 4445bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 4455bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug) { 4465bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich file = debugfs_create_file(((*bat_debug)->attr).name, 4475bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich S_IFREG | ((*bat_debug)->attr).mode, 4485bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich hard_iface->debug_dir, 4495bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich hard_iface->net_dev, 4505bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich &(*bat_debug)->fops); 4515bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich if (!file) 4525bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich goto rem_attr; 4535bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich } 4545bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 4555bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich return 0; 4565bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichrem_attr: 4575bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich debugfs_remove_recursive(hard_iface->debug_dir); 4585bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich hard_iface->debug_dir = NULL; 4595bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichout: 4605bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich#ifdef CONFIG_DEBUG_FS 4615bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich return -ENOMEM; 4625bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich#else 4635bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich return 0; 4645bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich#endif /* CONFIG_DEBUG_FS */ 4655bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich} 4665bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 4675bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich/** 4685bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * batadv_debugfs_del_hardif - delete the base directory for a hard interface 4695bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * in debugfs. 4705bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich * @hard_iface: hard interface which is deleted. 4715bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich */ 4725bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlichvoid batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface) 4735bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich{ 4745bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich if (batadv_debugfs) { 4755bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich debugfs_remove_recursive(hard_iface->debug_dir); 4765bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich hard_iface->debug_dir = NULL; 4775bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich } 4785bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich} 4795bc7c1eb44f25a2e0d6a37af8eb1e07c7d2d43e6Simon Wunderlich 48040a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannint batadv_debugfs_add_meshif(struct net_device *dev) 481c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 48256303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = netdev_priv(dev); 4837f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmann struct batadv_debuginfo **bat_debug; 484c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *file; 485c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4869e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 487c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 488c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4899e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs); 490c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 491c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 492c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4939039dc7e8a42864744665bf0905f48c2724f6e3eSven Eckelmann if (batadv_socket_setup(bat_priv) < 0) 4945346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 4955346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann 4969e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debug_log_setup(bat_priv) < 0) 4975346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 498c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4999e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { 500c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file = debugfs_create_file(((*bat_debug)->attr).name, 5010aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann S_IFREG | ((*bat_debug)->attr).mode, 5020aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann bat_priv->debug_dir, 5030aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann dev, &(*bat_debug)->fops); 504c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!file) { 5053e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann batadv_err(dev, "Can't add debugfs file: %s/%s\n", 5063e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann dev->name, ((*bat_debug)->attr).name); 507c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto rem_attr; 508c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 509c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 510c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 511d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll if (batadv_nc_init_debugfs(bat_priv) < 0) 512d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll goto rem_attr; 513d56b1705e28c196312607bc8bdde0e91879c20b6Martin Hundebøll 514c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 515c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannrem_attr: 516c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 517c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 518c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannout: 519c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_DEBUG_FS 520c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -ENOMEM; 521c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else 522c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 523c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif /* CONFIG_DEBUG_FS */ 524c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 525c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 52640a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_del_meshif(struct net_device *dev) 527c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 52856303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = netdev_priv(dev); 529c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 5309e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debug_log_cleanup(bat_priv); 531c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 5329e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs) { 533c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 534c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 535c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 536c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 537