debugfs.c revision 0b87393146244c2dc31cb3c69c45f4948ca94ee1
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 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 24b706b13b6cfde22d1f4adc540fd89426247c1e3eSven Eckelmann#include "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" 342f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli#include "distributed-arp-table.h" 35c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 369e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic struct dentry *batadv_debugfs; 37c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 38c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_BATMAN_ADV_DEBUG 39347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmann#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) 40c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 41a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmannstatic const int batadv_log_buff_len = BATADV_LOG_BUF_LEN; 42a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann 430abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log, 44a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann size_t idx) 45a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann{ 46a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK]; 47a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann} 48c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 490abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log, 500abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner char c) 51c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 52a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char *char_addr; 53a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann 54a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char_addr = batadv_log_char_addr(debug_log, debug_log->log_end); 55a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann *char_addr = c; 56c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_end++; 57c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 589e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) 599e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann debug_log->log_start = debug_log->log_end - batadv_log_buff_len; 60c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 61c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 62d3a547be40008be590c169ff2d5d73cc7fada71dSven Eckelmann__printf(2, 3) 630abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log, 6456303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann const char *fmt, ...) 65c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 66c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 67c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann static char debug_log_buf[256]; 68c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char *p; 69c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 70c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!debug_log) 71c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 72c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 73c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 74c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 751299bdaa1cb522de940d912f661bef59b9a39dd7Sven Eckelmann vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); 76c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 77c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 78c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann for (p = debug_log_buf; *p != 0; p++) 799e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_emit_log_char(debug_log, *p); 80c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 81c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 82c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 83c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann wake_up(&debug_log->queue_wait); 84c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 85c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 86c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 87c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 8856303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannint batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) 89c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 90c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_list args; 91c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char tmp_log_buf[256]; 92c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 93c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_start(args, fmt); 94c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); 959e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s", 969e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann jiffies_to_msecs(jiffies), tmp_log_buf); 97c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann va_end(args); 98c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 99c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 100c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 101c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1029e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_open(struct inode *inode, struct file *file) 103c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 104bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann if (!try_module_get(THIS_MODULE)) 105bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann return -EBUSY; 106bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann 107c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann nonseekable_open(inode, file); 108c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file->private_data = inode->i_private; 109c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 110c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 111c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1129e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_log_release(struct inode *inode, struct file *file) 113c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 114bd5b80d51a6c4a68f7d4b9b92c495329f47e53d4Sven Eckelmann module_put(THIS_MODULE); 115c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 116c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 117c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1180abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindnerstatic int batadv_log_empty(struct batadv_priv_debug_log *debug_log) 1190aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann{ 1200aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann return !(debug_log->log_start - debug_log->log_end); 1210aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann} 1220aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann 1239e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic ssize_t batadv_log_read(struct file *file, char __user *buf, 1249e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann size_t count, loff_t *ppos) 125c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 12656303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = file->private_data; 1270abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; 128c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann int error, i = 0; 129a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char *char_addr; 130c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann char c; 131c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1320aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log)) 133c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EAGAIN; 134c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 13516f14b45c48f4f1be5857103ee3054114604d98cSven Eckelmann if (!buf) 136c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EINVAL; 137c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 138c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (count == 0) 139c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 140c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 141c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!access_ok(VERIFY_WRITE, buf, count)) 142c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -EFAULT; 143c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 144c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = wait_event_interruptible(debug_log->queue_wait, 1450aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann (!batadv_log_empty(debug_log))); 146c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 147c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (error) 148c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 149c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 150c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 151c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 152c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann while ((!error) && (i < count) && 153c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann (debug_log->log_start != debug_log->log_end)) { 154a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann char_addr = batadv_log_char_addr(debug_log, 155a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann debug_log->log_start); 156a8a0a62d1f173620f150830db437ddd65a103d49Sven Eckelmann c = *char_addr; 157c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 158c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debug_log->log_start++; 159c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 160c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 161c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 162c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann error = __put_user(c, buf); 163c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 164c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_bh(&debug_log->lock); 165c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 166c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann buf++; 167c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann i++; 168c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 169c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 170c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_unlock_bh(&debug_log->lock); 171c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 172c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!error) 173c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return i; 174c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 175c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return error; 176c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 177c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1789e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic unsigned int batadv_log_poll(struct file *file, poll_table *wait) 179c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 18056303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = file->private_data; 1810abf5d8117dc864135eda5adda12640e16ed0cb8Marek Lindner struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; 182c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 183c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann poll_wait(file, &debug_log->queue_wait, wait); 184c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1850aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann if (!batadv_log_empty(debug_log)) 186c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return POLLIN | POLLRDNORM; 187c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 188c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 189c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 190c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 1919e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic const struct file_operations batadv_log_fops = { 1929e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .open = batadv_log_open, 1939e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .release = batadv_log_release, 1949e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .read = batadv_log_read, 1959e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann .poll = batadv_log_poll, 196c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann .llseek = no_llseek, 197c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 198c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 19956303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic int batadv_debug_log_setup(struct batadv_priv *bat_priv) 200c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 201c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *d; 202c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 203c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 204c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 205c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 206704509b8d44886cebfbaff1a9813c35dfa986954Sven Eckelmann bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC); 207c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_log) 208c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 209c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 210c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann spin_lock_init(&bat_priv->debug_log->lock); 211c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann init_waitqueue_head(&bat_priv->debug_log->queue_wait); 212c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 213c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann d = debugfs_create_file("log", S_IFREG | S_IRUSR, 2149e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir, bat_priv, 2159e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_log_fops); 2165346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann if (!d) 217c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto err; 218c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 219c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 220c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 221c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannerr: 2225346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann return -ENOMEM; 223c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 224c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 22556303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) 226c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 227c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann kfree(bat_priv->debug_log); 228c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_log = NULL; 229c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 230c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else /* CONFIG_BATMAN_ADV_DEBUG */ 23156303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic int batadv_debug_log_setup(struct batadv_priv *bat_priv) 232c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 233c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 234c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 235c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 23656303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmannstatic void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) 237c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 238c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return; 239c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 240c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif 241c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2429e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_algorithms_open(struct inode *inode, struct file *file) 2431c280471b013e26c833fc86acc231c73442cfa21Marek Lindner{ 2443193e8fdfa355289892661d206d1954114a7be95Sven Eckelmann return single_open(file, batadv_algo_seq_print_text, NULL); 2451c280471b013e26c833fc86acc231c73442cfa21Marek Lindner} 2461c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 2479e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_originators_open(struct inode *inode, struct file *file) 248c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 249c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2507d211efc5087bc8870fa3374da88b4bf8159e79bSven Eckelmann return single_open(file, batadv_orig_seq_print_text, net_dev); 251c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 252c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2539e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_gateways_open(struct inode *inode, struct file *file) 254c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 255c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 2567cf06bc6ff810178a7fb9f12aaa6b274fc520f6fSven Eckelmann return single_open(file, batadv_gw_client_seq_print_text, net_dev); 257c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 258c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2599e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_global_open(struct inode *inode, struct file *file) 260c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 261c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 26208c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_global_seq_print_text, net_dev); 263c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 264c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 2657a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 2669e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_bla_claim_table_open(struct inode *inode, struct file *file) 2679bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich{ 2689bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich struct net_device *net_dev = (struct net_device *)inode->i_private; 26908adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann return single_open(file, batadv_bla_claim_table_seq_print_text, 27008adf1512298201a53b88bb0a3d67e0dbbe0ed9bSven Eckelmann net_dev); 2719bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich} 272536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich 273536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlichstatic int batadv_bla_backbone_table_open(struct inode *inode, 274536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich struct file *file) 275536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich{ 276536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich struct net_device *net_dev = (struct net_device *)inode->i_private; 277536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich return single_open(file, batadv_bla_backbone_table_seq_print_text, 278536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich net_dev); 279536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich} 280536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich 2817a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 2829bf8e4d4254397684250eae29a0dc12d54a00251Simon Wunderlich 283172244748204c894864def59133d0133ccfabe30Antonio Quartulli#ifdef CONFIG_BATMAN_ADV_DAT 2842f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli/** 2852f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * batadv_dat_cache_open - Prepare file handler for reads from dat_chache 2862f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * @inode: inode which was opened 2872f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli * @file: file handle to be initialized 2882f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli */ 2892f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartullistatic int batadv_dat_cache_open(struct inode *inode, struct file *file) 2902f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli{ 2912f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli struct net_device *net_dev = (struct net_device *)inode->i_private; 2922f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli return single_open(file, batadv_dat_cache_seq_print_text, net_dev); 2932f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli} 294172244748204c894864def59133d0133ccfabe30Antonio Quartulli#endif 2952f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli 2969e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_transtable_local_open(struct inode *inode, struct file *file) 297c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 298c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 29908c36d3e8ad1f73d3b0322842363b23f6d203630Sven Eckelmann return single_open(file, batadv_tt_local_seq_print_text, net_dev); 300c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 301c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3029e466250ede375482a9a65ca60765d24303099e9Sven Eckelmannstatic int batadv_vis_data_open(struct inode *inode, struct file *file) 303c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 304c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct net_device *net_dev = (struct net_device *)inode->i_private; 305d0f714f472967577067853acc8dabe0abc75ae8fSven Eckelmann return single_open(file, batadv_vis_seq_print_text, net_dev); 306c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 307c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3087f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmannstruct batadv_debuginfo { 309c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct attribute attr; 310c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann const struct file_operations fops; 311c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 312c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 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); 350347c80f0fb9adbd5f3756bd8a612664492768808Sven Eckelmannstatic BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open); 351c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 3527f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmannstatic struct batadv_debuginfo *batadv_mesh_debuginfos[] = { 3539e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_originators, 3549e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_gateways, 3559e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_global, 3567a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#ifdef CONFIG_BATMAN_ADV_BLA 3579e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_bla_claim_table, 358536a23f119e35e58c762a219bafd398ba2ed7980Simon Wunderlich &batadv_debuginfo_bla_backbone_table, 3597a5cc24277b57ce38eb0afa6634b71d4d5cc671eSimon Wunderlich#endif 360172244748204c894864def59133d0133ccfabe30Antonio Quartulli#ifdef CONFIG_BATMAN_ADV_DAT 3612f1dfbe185075a50dc8f0490a136377af53a1c62Antonio Quartulli &batadv_debuginfo_dat_cache, 362172244748204c894864def59133d0133ccfabe30Antonio Quartulli#endif 3639e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_transtable_local, 3649e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann &batadv_debuginfo_vis_data, 365c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann NULL, 366c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann}; 367c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 36840a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_init(void) 369c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 370637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli struct batadv_debuginfo **bat_debug; 3711c280471b013e26c833fc86acc231c73442cfa21Marek Lindner struct dentry *file; 3721c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 37354590e4d4b369c9fc0dcbb3c7f39eb90fbddcbe2Sven Eckelmann batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); 3749e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs == ERR_PTR(-ENODEV)) 3759e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debugfs = NULL; 3761c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 3779e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 378637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli goto err; 3791c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 380637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) { 381637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli file = debugfs_create_file(((*bat_debug)->attr).name, 382637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli S_IFREG | ((*bat_debug)->attr).mode, 383637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli batadv_debugfs, NULL, 384637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli &(*bat_debug)->fops); 385637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli if (!file) { 386637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli pr_err("Can't add general debugfs file: %s\n", 387637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli ((*bat_debug)->attr).name); 388637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli goto err; 389637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli } 390637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli } 3911c280471b013e26c833fc86acc231c73442cfa21Marek Lindner 3921c280471b013e26c833fc86acc231c73442cfa21Marek Lindner return; 393637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartullierr: 394637fbd12947b5645d8c16c982aa15c17ab695b0aAntonio Quartulli debugfs_remove_recursive(batadv_debugfs); 395c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 396c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 39740a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_destroy(void) 398c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 3993f87c4239fa1df61beffbee2ca00e8ffbe31a5e3Antonio Quartulli debugfs_remove_recursive(batadv_debugfs); 4003f87c4239fa1df61beffbee2ca00e8ffbe31a5e3Antonio Quartulli batadv_debugfs = NULL; 401c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 402c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 40340a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannint batadv_debugfs_add_meshif(struct net_device *dev) 404c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 40556303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = netdev_priv(dev); 4067f223c0c323a9ac2e88714669994007776e966a8Sven Eckelmann struct batadv_debuginfo **bat_debug; 407c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann struct dentry *file; 408c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4099e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (!batadv_debugfs) 410c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 411c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4129e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs); 413c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!bat_priv->debug_dir) 414c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto out; 415c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4169039dc7e8a42864744665bf0905f48c2724f6e3eSven Eckelmann if (batadv_socket_setup(bat_priv) < 0) 4175346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 4185346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann 4199e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debug_log_setup(bat_priv) < 0) 4205346c35ebfbdb1727e60079456dd8071cb888059Sven Eckelmann goto rem_attr; 421c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4229e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { 423c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann file = debugfs_create_file(((*bat_debug)->attr).name, 4240aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann S_IFREG | ((*bat_debug)->attr).mode, 4250aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann bat_priv->debug_dir, 4260aca2369b19de3f3f1affcc5359c3d079e4e1940Sven Eckelmann dev, &(*bat_debug)->fops); 427c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann if (!file) { 4283e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann batadv_err(dev, "Can't add debugfs file: %s/%s\n", 4293e34819e0eafaa6c873e9704bb478c0cdd6bb481Sven Eckelmann dev->name, ((*bat_debug)->attr).name); 430c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann goto rem_attr; 431c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 432c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 433c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 434c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 435c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannrem_attr: 436c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 437c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 438c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmannout: 439c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#ifdef CONFIG_DEBUG_FS 440c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return -ENOMEM; 441c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#else 442c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann return 0; 443c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann#endif /* CONFIG_DEBUG_FS */ 444c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 445c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 44640a072d777a4f417c0296e06f91297b0f3f2fa36Sven Eckelmannvoid batadv_debugfs_del_meshif(struct net_device *dev) 447c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann{ 44856303d34a332be8e2f4daf7891ebc12cb7900529Sven Eckelmann struct batadv_priv *bat_priv = netdev_priv(dev); 449c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4509e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann batadv_debug_log_cleanup(bat_priv); 451c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann 4529e466250ede375482a9a65ca60765d24303099e9Sven Eckelmann if (batadv_debugfs) { 453c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann debugfs_remove_recursive(bat_priv->debug_dir); 454c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann bat_priv->debug_dir = NULL; 455c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann } 456c6c8fea29769d998d94fcec9b9f14d4b52b349d3Sven Eckelmann} 457