2017-11-19 07:05:11 -07:00
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// SPDX-License-Identifier: GPL-2.0
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2019-12-31 16:00:01 -07:00
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/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
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2010-12-13 04:19:28 -07:00
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*
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* Marek Lindner
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*/
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2015-04-17 11:40:28 -06:00
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#include "debugfs.h"
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2010-12-13 04:19:28 -07:00
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#include "main.h"
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2018-10-21 03:30:29 -06:00
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#include <asm/current.h>
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2018-06-01 11:24:23 -06:00
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#include <linux/dcache.h>
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2010-12-13 04:19:28 -07:00
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#include <linux/debugfs.h>
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2015-04-17 11:40:28 -06:00
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#include <linux/errno.h>
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#include <linux/export.h>
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#include <linux/fs.h>
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#include <linux/netdevice.h>
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#include <linux/printk.h>
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2018-10-21 03:30:29 -06:00
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#include <linux/sched.h>
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2015-04-17 11:40:28 -06:00
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#include <linux/seq_file.h>
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#include <linux/stat.h>
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#include <linux/stddef.h>
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#include <linux/stringify.h>
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#include <linux/sysfs.h>
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2016-07-03 05:31:34 -06:00
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#include <net/net_namespace.h>
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2010-12-13 04:19:28 -07:00
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2016-05-15 03:07:44 -06:00
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#include "bat_algo.h"
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2012-01-22 12:00:21 -07:00
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#include "bridge_loop_avoidance.h"
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2012-06-30 12:01:19 -06:00
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#include "distributed-arp-table.h"
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2015-04-17 11:40:28 -06:00
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#include "gateway_client.h"
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#include "icmp_socket.h"
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2016-05-15 15:48:31 -06:00
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#include "log.h"
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2016-05-10 10:41:27 -06:00
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#include "multicast.h"
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2013-01-25 03:12:39 -07:00
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#include "network-coding.h"
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2015-04-17 11:40:28 -06:00
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#include "originator.h"
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#include "translation-table.h"
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2010-12-13 04:19:28 -07:00
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2012-05-12 10:33:50 -06:00
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static struct dentry *batadv_debugfs;
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2010-12-13 04:19:28 -07:00
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2018-08-10 15:36:15 -06:00
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/**
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* batadv_debugfs_deprecated() - Log use of deprecated batadv debugfs access
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* @file: file which was accessed
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* @alt: explanation what can be used as alternative
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*/
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void batadv_debugfs_deprecated(struct file *file, const char *alt)
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{
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struct dentry *dentry = file_dentry(file);
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const char *name = dentry->d_name.name;
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pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of debugfs file \"%s\".\n%s",
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current->comm, task_pid_nr(current), name, alt);
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}
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2012-05-12 10:33:50 -06:00
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static int batadv_algorithms_open(struct inode *inode, struct file *file)
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2011-11-28 02:40:17 -07:00
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{
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_ROUTING_ALGOS instead\n");
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2012-05-11 18:09:42 -06:00
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return single_open(file, batadv_algo_seq_print_text, NULL);
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2011-11-28 02:40:17 -07:00
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}
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2015-08-04 07:09:57 -06:00
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static int neighbors_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_NEIGHBORS instead\n");
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2015-08-04 07:09:57 -06:00
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return single_open(file, batadv_hardif_neigh_seq_print_text, net_dev);
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}
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2012-05-12 10:33:50 -06:00
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static int batadv_originators_open(struct inode *inode, struct file *file)
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2010-12-13 04:19:28 -07:00
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_ORIGINATORS instead\n");
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2012-05-11 18:09:34 -06:00
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return single_open(file, batadv_orig_seq_print_text, net_dev);
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2010-12-13 04:19:28 -07:00
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}
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2013-11-21 03:52:16 -07:00
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/**
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2017-12-02 11:51:47 -07:00
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* batadv_originators_hardif_open() - handles debugfs output for the originator
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* table of an hard interface
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2013-11-21 03:52:16 -07:00
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* @inode: inode pointer to debugfs file
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* @file: pointer to the seq_file
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2015-10-31 05:29:29 -06:00
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*
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* Return: 0 on success or negative error number in case of failure
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2013-11-21 03:52:16 -07:00
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*/
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static int batadv_originators_hardif_open(struct inode *inode,
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struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_HARDIFS instead\n");
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2013-11-21 03:52:16 -07:00
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return single_open(file, batadv_orig_hardif_seq_print_text, net_dev);
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}
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2012-05-12 10:33:50 -06:00
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static int batadv_gateways_open(struct inode *inode, struct file *file)
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2010-12-13 04:19:28 -07:00
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_GATEWAYS instead\n");
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2012-05-11 18:09:29 -06:00
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return single_open(file, batadv_gw_client_seq_print_text, net_dev);
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2010-12-13 04:19:28 -07:00
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}
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2012-05-12 10:33:50 -06:00
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static int batadv_transtable_global_open(struct inode *inode, struct file *file)
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2010-12-13 04:19:28 -07:00
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_TRANSTABLE_GLOBAL instead\n");
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2012-05-11 18:09:39 -06:00
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return single_open(file, batadv_tt_global_seq_print_text, net_dev);
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2010-12-13 04:19:28 -07:00
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}
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2012-01-22 12:00:27 -07:00
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#ifdef CONFIG_BATMAN_ADV_BLA
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2012-05-12 10:33:50 -06:00
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static int batadv_bla_claim_table_open(struct inode *inode, struct file *file)
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2012-01-22 12:00:21 -07:00
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_BLA_CLAIM instead\n");
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2012-05-12 05:38:47 -06:00
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return single_open(file, batadv_bla_claim_table_seq_print_text,
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net_dev);
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2012-01-22 12:00:21 -07:00
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}
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2012-06-18 10:39:26 -06:00
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static int batadv_bla_backbone_table_open(struct inode *inode,
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struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_BLA_BACKBONE instead\n");
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2012-06-18 10:39:26 -06:00
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return single_open(file, batadv_bla_backbone_table_seq_print_text,
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net_dev);
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}
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2012-01-22 12:00:27 -07:00
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#endif
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2012-01-22 12:00:21 -07:00
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2011-11-06 04:23:55 -07:00
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#ifdef CONFIG_BATMAN_ADV_DAT
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2012-06-30 12:01:19 -06:00
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/**
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2018-07-05 06:42:49 -06:00
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* batadv_dat_cache_open() - Prepare file handler for reads from dat_cache
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2012-06-30 12:01:19 -06:00
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* @inode: inode which was opened
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* @file: file handle to be initialized
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2015-10-31 05:29:29 -06:00
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*
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* Return: 0 on success or negative error number in case of failure
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2012-06-30 12:01:19 -06:00
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*/
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static int batadv_dat_cache_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_DAT_CACHE instead\n");
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2012-06-30 12:01:19 -06:00
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return single_open(file, batadv_dat_cache_seq_print_text, net_dev);
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}
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2011-11-06 04:23:55 -07:00
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#endif
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2012-06-30 12:01:19 -06:00
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2012-05-12 10:33:50 -06:00
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static int batadv_transtable_local_open(struct inode *inode, struct file *file)
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2010-12-13 04:19:28 -07:00
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_TRANSTABLE_LOCAL instead\n");
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2012-05-11 18:09:39 -06:00
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return single_open(file, batadv_tt_local_seq_print_text, net_dev);
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2010-12-13 04:19:28 -07:00
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}
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2012-06-05 14:31:27 -06:00
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struct batadv_debuginfo {
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2010-12-13 04:19:28 -07:00
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struct attribute attr;
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const struct file_operations fops;
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};
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2013-01-25 03:12:39 -07:00
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#ifdef CONFIG_BATMAN_ADV_NC
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static int batadv_nc_nodes_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2014-05-10 10:56:37 -06:00
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file, "");
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2013-01-25 03:12:39 -07:00
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return single_open(file, batadv_nc_nodes_seq_print_text, net_dev);
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}
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#endif
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2016-05-10 10:41:27 -06:00
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#ifdef CONFIG_BATMAN_ADV_MCAST
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/**
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2017-12-02 11:51:47 -07:00
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* batadv_mcast_flags_open() - prepare file handler for reads from mcast_flags
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2016-05-10 10:41:27 -06:00
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* @inode: inode which was opened
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* @file: file handle to be initialized
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*
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* Return: 0 on success or negative error number in case of failure
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*/
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static int batadv_mcast_flags_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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2018-08-10 15:36:15 -06:00
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batadv_debugfs_deprecated(file,
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"Use genl command BATADV_CMD_GET_MCAST_FLAGS instead\n");
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2016-05-10 10:41:27 -06:00
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return single_open(file, batadv_mcast_flags_seq_print_text, net_dev);
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}
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#endif
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2012-06-03 14:19:07 -06:00
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#define BATADV_DEBUGINFO(_name, _mode, _open) \
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2012-06-05 14:31:27 -06:00
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struct batadv_debuginfo batadv_debuginfo_##_name = { \
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2016-03-11 06:01:11 -07:00
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.attr = { \
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.name = __stringify(_name), \
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.mode = _mode, \
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}, \
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.fops = { \
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.owner = THIS_MODULE, \
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.open = _open, \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.release = single_release, \
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}, \
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2014-05-15 03:24:26 -06:00
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}
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2010-12-13 04:19:28 -07:00
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2012-10-16 02:04:39 -06:00
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/* the following attributes are general and therefore they will be directly
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* placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs
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*/
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(routing_algos, 0444, batadv_algorithms_open);
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2012-10-16 02:04:39 -06:00
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static struct batadv_debuginfo *batadv_general_debuginfos[] = {
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&batadv_debuginfo_routing_algos,
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NULL,
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};
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/* The following attributes are per soft interface */
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(neighbors, 0444, neighbors_open);
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static BATADV_DEBUGINFO(originators, 0444, batadv_originators_open);
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static BATADV_DEBUGINFO(gateways, 0444, batadv_gateways_open);
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static BATADV_DEBUGINFO(transtable_global, 0444, batadv_transtable_global_open);
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2012-01-22 12:00:27 -07:00
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#ifdef CONFIG_BATMAN_ADV_BLA
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(bla_claim_table, 0444, batadv_bla_claim_table_open);
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static BATADV_DEBUGINFO(bla_backbone_table, 0444,
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2012-06-18 10:39:26 -06:00
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batadv_bla_backbone_table_open);
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2012-01-22 12:00:27 -07:00
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#endif
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2011-11-06 04:23:55 -07:00
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#ifdef CONFIG_BATMAN_ADV_DAT
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(dat_cache, 0444, batadv_dat_cache_open);
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2011-11-06 04:23:55 -07:00
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#endif
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(transtable_local, 0444, batadv_transtable_local_open);
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2013-01-25 03:12:39 -07:00
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#ifdef CONFIG_BATMAN_ADV_NC
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(nc_nodes, 0444, batadv_nc_nodes_open);
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2013-01-25 03:12:39 -07:00
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#endif
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2016-05-10 10:41:27 -06:00
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#ifdef CONFIG_BATMAN_ADV_MCAST
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2016-09-01 02:25:12 -06:00
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static BATADV_DEBUGINFO(mcast_flags, 0444, batadv_mcast_flags_open);
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2016-05-10 10:41:27 -06:00
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#endif
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2010-12-13 04:19:28 -07:00
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2012-06-05 14:31:27 -06:00
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static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
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2015-08-04 07:09:57 -06:00
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&batadv_debuginfo_neighbors,
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2012-05-12 10:33:50 -06:00
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&batadv_debuginfo_originators,
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&batadv_debuginfo_gateways,
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&batadv_debuginfo_transtable_global,
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2012-01-22 12:00:27 -07:00
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#ifdef CONFIG_BATMAN_ADV_BLA
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2012-05-12 10:33:50 -06:00
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&batadv_debuginfo_bla_claim_table,
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2012-06-18 10:39:26 -06:00
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&batadv_debuginfo_bla_backbone_table,
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2012-01-22 12:00:27 -07:00
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#endif
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2011-11-06 04:23:55 -07:00
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#ifdef CONFIG_BATMAN_ADV_DAT
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2012-06-30 12:01:19 -06:00
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&batadv_debuginfo_dat_cache,
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2011-11-06 04:23:55 -07:00
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#endif
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2012-05-12 10:33:50 -06:00
|
|
|
&batadv_debuginfo_transtable_local,
|
2013-01-25 03:12:39 -07:00
|
|
|
#ifdef CONFIG_BATMAN_ADV_NC
|
|
|
|
&batadv_debuginfo_nc_nodes,
|
2016-05-10 10:41:27 -06:00
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_BATMAN_ADV_MCAST
|
|
|
|
&batadv_debuginfo_mcast_flags,
|
2013-01-25 03:12:39 -07:00
|
|
|
#endif
|
2010-12-13 04:19:28 -07:00
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
|
2013-11-21 06:16:12 -07:00
|
|
|
#define BATADV_HARDIF_DEBUGINFO(_name, _mode, _open) \
|
|
|
|
struct batadv_debuginfo batadv_hardif_debuginfo_##_name = { \
|
|
|
|
.attr = { \
|
|
|
|
.name = __stringify(_name), \
|
|
|
|
.mode = _mode, \
|
|
|
|
}, \
|
|
|
|
.fops = { \
|
|
|
|
.owner = THIS_MODULE, \
|
|
|
|
.open = _open, \
|
|
|
|
.read = seq_read, \
|
|
|
|
.llseek = seq_lseek, \
|
|
|
|
.release = single_release, \
|
|
|
|
}, \
|
2014-05-15 03:24:26 -06:00
|
|
|
}
|
2014-09-01 06:37:27 -06:00
|
|
|
|
2016-09-01 02:25:12 -06:00
|
|
|
static BATADV_HARDIF_DEBUGINFO(originators, 0444,
|
2013-11-21 03:52:16 -07:00
|
|
|
batadv_originators_hardif_open);
|
2013-11-21 06:16:12 -07:00
|
|
|
|
|
|
|
static struct batadv_debuginfo *batadv_hardif_debuginfos[] = {
|
2013-11-21 03:52:16 -07:00
|
|
|
&batadv_hardif_debuginfo_originators,
|
2013-11-21 06:16:12 -07:00
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
|
2017-12-02 11:51:53 -07:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_init() - Initialize soft interface independent debugfs entries
|
|
|
|
*/
|
2012-05-11 18:09:23 -06:00
|
|
|
void batadv_debugfs_init(void)
|
2010-12-13 04:19:28 -07:00
|
|
|
{
|
2012-10-16 02:04:39 -06:00
|
|
|
struct batadv_debuginfo **bat_debug;
|
2011-11-28 02:40:17 -07:00
|
|
|
|
2012-06-03 14:19:08 -06:00
|
|
|
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
|
2011-11-28 02:40:17 -07:00
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug)
|
|
|
|
debugfs_create_file(((*bat_debug)->attr).name,
|
|
|
|
S_IFREG | ((*bat_debug)->attr).mode,
|
|
|
|
batadv_debugfs, NULL, &(*bat_debug)->fops);
|
2010-12-13 04:19:28 -07:00
|
|
|
}
|
|
|
|
|
2017-12-02 11:51:53 -07:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_destroy() - Remove all debugfs entries
|
|
|
|
*/
|
2012-05-11 18:09:23 -06:00
|
|
|
void batadv_debugfs_destroy(void)
|
2010-12-13 04:19:28 -07:00
|
|
|
{
|
2012-11-28 17:03:31 -07:00
|
|
|
debugfs_remove_recursive(batadv_debugfs);
|
|
|
|
batadv_debugfs = NULL;
|
2010-12-13 04:19:28 -07:00
|
|
|
}
|
|
|
|
|
2013-11-21 06:16:12 -07:00
|
|
|
/**
|
2017-12-02 11:51:47 -07:00
|
|
|
* batadv_debugfs_add_hardif() - creates the base directory for a hard interface
|
2013-11-21 06:16:12 -07:00
|
|
|
* in debugfs.
|
|
|
|
* @hard_iface: hard interface which should be added.
|
|
|
|
*/
|
2019-06-14 01:11:23 -06:00
|
|
|
void batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
|
2013-11-21 06:16:12 -07:00
|
|
|
{
|
2016-07-03 05:31:34 -06:00
|
|
|
struct net *net = dev_net(hard_iface->net_dev);
|
2013-11-21 06:16:12 -07:00
|
|
|
struct batadv_debuginfo **bat_debug;
|
|
|
|
|
2016-07-03 05:31:34 -06:00
|
|
|
if (net != &init_net)
|
2019-06-14 01:11:23 -06:00
|
|
|
return;
|
2016-07-03 05:31:34 -06:00
|
|
|
|
2013-11-21 06:16:12 -07:00
|
|
|
hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name,
|
|
|
|
batadv_debugfs);
|
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug)
|
|
|
|
debugfs_create_file(((*bat_debug)->attr).name,
|
|
|
|
S_IFREG | ((*bat_debug)->attr).mode,
|
|
|
|
hard_iface->debug_dir, hard_iface->net_dev,
|
|
|
|
&(*bat_debug)->fops);
|
2013-11-21 06:16:12 -07:00
|
|
|
}
|
|
|
|
|
2018-06-01 11:24:23 -06:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_rename_hardif() - Fix debugfs path for renamed hardif
|
|
|
|
* @hard_iface: hard interface which was renamed
|
|
|
|
*/
|
|
|
|
void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface)
|
|
|
|
{
|
|
|
|
const char *name = hard_iface->net_dev->name;
|
|
|
|
struct dentry *dir;
|
|
|
|
|
|
|
|
dir = hard_iface->debug_dir;
|
|
|
|
if (!dir)
|
|
|
|
return;
|
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
|
2018-06-01 11:24:23 -06:00
|
|
|
}
|
|
|
|
|
2013-11-21 06:16:12 -07:00
|
|
|
/**
|
2017-12-02 11:51:47 -07:00
|
|
|
* batadv_debugfs_del_hardif() - delete the base directory for a hard interface
|
2013-11-21 06:16:12 -07:00
|
|
|
* in debugfs.
|
|
|
|
* @hard_iface: hard interface which is deleted.
|
|
|
|
*/
|
|
|
|
void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface)
|
|
|
|
{
|
2016-07-03 05:31:34 -06:00
|
|
|
struct net *net = dev_net(hard_iface->net_dev);
|
|
|
|
|
|
|
|
if (net != &init_net)
|
|
|
|
return;
|
|
|
|
|
2013-11-21 06:16:12 -07:00
|
|
|
if (batadv_debugfs) {
|
|
|
|
debugfs_remove_recursive(hard_iface->debug_dir);
|
|
|
|
hard_iface->debug_dir = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-12-02 11:51:53 -07:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_add_meshif() - Initialize interface dependent debugfs entries
|
|
|
|
* @dev: netdev struct of the soft interface
|
|
|
|
*
|
|
|
|
* Return: 0 on success or negative error number in case of failure
|
|
|
|
*/
|
2012-05-11 18:09:23 -06:00
|
|
|
int batadv_debugfs_add_meshif(struct net_device *dev)
|
2010-12-13 04:19:28 -07:00
|
|
|
{
|
2012-06-05 14:31:31 -06:00
|
|
|
struct batadv_priv *bat_priv = netdev_priv(dev);
|
2012-06-05 14:31:27 -06:00
|
|
|
struct batadv_debuginfo **bat_debug;
|
2016-07-03 05:31:34 -06:00
|
|
|
struct net *net = dev_net(dev);
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2016-07-03 05:31:34 -06:00
|
|
|
if (net != &init_net)
|
|
|
|
return 0;
|
|
|
|
|
2012-05-12 10:33:50 -06:00
|
|
|
bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
batadv_socket_setup(bat_priv);
|
2012-05-05 05:27:28 -06:00
|
|
|
|
2012-05-12 10:33:50 -06:00
|
|
|
if (batadv_debug_log_setup(bat_priv) < 0)
|
2012-05-05 05:27:28 -06:00
|
|
|
goto rem_attr;
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug)
|
|
|
|
debugfs_create_file(((*bat_debug)->attr).name,
|
|
|
|
S_IFREG | ((*bat_debug)->attr).mode,
|
|
|
|
bat_priv->debug_dir, dev,
|
|
|
|
&(*bat_debug)->fops);
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
batadv_nc_init_debugfs(bat_priv);
|
2013-01-25 03:12:39 -07:00
|
|
|
|
2010-12-13 04:19:28 -07:00
|
|
|
return 0;
|
|
|
|
rem_attr:
|
|
|
|
debugfs_remove_recursive(bat_priv->debug_dir);
|
|
|
|
bat_priv->debug_dir = NULL;
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2018-06-01 11:24:24 -06:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_rename_meshif() - Fix debugfs path for renamed softif
|
|
|
|
* @dev: net_device which was renamed
|
|
|
|
*/
|
|
|
|
void batadv_debugfs_rename_meshif(struct net_device *dev)
|
|
|
|
{
|
|
|
|
struct batadv_priv *bat_priv = netdev_priv(dev);
|
|
|
|
const char *name = dev->name;
|
|
|
|
struct dentry *dir;
|
|
|
|
|
|
|
|
dir = bat_priv->debug_dir;
|
|
|
|
if (!dir)
|
|
|
|
return;
|
|
|
|
|
2019-06-14 01:11:23 -06:00
|
|
|
debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
|
2018-06-01 11:24:24 -06:00
|
|
|
}
|
|
|
|
|
2017-12-02 11:51:53 -07:00
|
|
|
/**
|
|
|
|
* batadv_debugfs_del_meshif() - Remove interface dependent debugfs entries
|
|
|
|
* @dev: netdev struct of the soft interface
|
|
|
|
*/
|
2012-05-11 18:09:23 -06:00
|
|
|
void batadv_debugfs_del_meshif(struct net_device *dev)
|
2010-12-13 04:19:28 -07:00
|
|
|
{
|
2012-06-05 14:31:31 -06:00
|
|
|
struct batadv_priv *bat_priv = netdev_priv(dev);
|
2016-07-03 05:31:34 -06:00
|
|
|
struct net *net = dev_net(dev);
|
|
|
|
|
|
|
|
if (net != &init_net)
|
|
|
|
return;
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2012-05-12 10:33:50 -06:00
|
|
|
batadv_debug_log_cleanup(bat_priv);
|
2010-12-13 04:19:28 -07:00
|
|
|
|
2012-05-12 10:33:50 -06:00
|
|
|
if (batadv_debugfs) {
|
2010-12-13 04:19:28 -07:00
|
|
|
debugfs_remove_recursive(bat_priv->debug_dir);
|
|
|
|
bat_priv->debug_dir = NULL;
|
|
|
|
}
|
|
|
|
}
|