From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/batman-adv/debugfs.c | 152 ++++++++++++++++++++------------------------------
1 files changed, 60 insertions(+), 92 deletions(-)
diff --git a/kernel/net/batman-adv/debugfs.c b/kernel/net/batman-adv/debugfs.c
index 3cb8237..452856c 100644
--- a/kernel/net/batman-adv/debugfs.c
+++ b/kernel/net/batman-adv/debugfs.c
@@ -1,32 +1,21 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "debugfs.h"
#include "main.h"
+#include <asm/current.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
-#include <linux/err.h>
#include <linux/errno.h>
#include <linux/export.h>
#include <linux/fs.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
+#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/stat.h>
#include <linux/stddef.h>
@@ -47,8 +36,24 @@
static struct dentry *batadv_debugfs;
+/**
+ * batadv_debugfs_deprecated() - Log use of deprecated batadv debugfs access
+ * @file: file which was accessed
+ * @alt: explanation what can be used as alternative
+ */
+void batadv_debugfs_deprecated(struct file *file, const char *alt)
+{
+ struct dentry *dentry = file_dentry(file);
+ const char *name = dentry->d_name.name;
+
+ pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of debugfs file \"%s\".\n%s",
+ current->comm, task_pid_nr(current), name, alt);
+}
+
static int batadv_algorithms_open(struct inode *inode, struct file *file)
{
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_ROUTING_ALGOS instead\n");
return single_open(file, batadv_algo_seq_print_text, NULL);
}
@@ -56,6 +61,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_NEIGHBORS instead\n");
return single_open(file, batadv_hardif_neigh_seq_print_text, net_dev);
}
@@ -63,6 +70,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_ORIGINATORS instead\n");
return single_open(file, batadv_orig_seq_print_text, net_dev);
}
@@ -79,6 +88,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_HARDIFS instead\n");
return single_open(file, batadv_orig_hardif_seq_print_text, net_dev);
}
@@ -86,6 +97,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_GATEWAYS instead\n");
return single_open(file, batadv_gw_client_seq_print_text, net_dev);
}
@@ -93,6 +106,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_TRANSTABLE_GLOBAL instead\n");
return single_open(file, batadv_tt_global_seq_print_text, net_dev);
}
@@ -101,6 +116,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_BLA_CLAIM instead\n");
return single_open(file, batadv_bla_claim_table_seq_print_text,
net_dev);
}
@@ -110,6 +127,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_BLA_BACKBONE instead\n");
return single_open(file, batadv_bla_backbone_table_seq_print_text,
net_dev);
}
@@ -128,6 +147,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_DAT_CACHE instead\n");
return single_open(file, batadv_dat_cache_seq_print_text, net_dev);
}
#endif
@@ -136,6 +157,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_TRANSTABLE_LOCAL instead\n");
return single_open(file, batadv_tt_local_seq_print_text, net_dev);
}
@@ -149,6 +172,7 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file, "");
return single_open(file, batadv_nc_nodes_seq_print_text, net_dev);
}
#endif
@@ -165,6 +189,8 @@
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
+ batadv_debugfs_deprecated(file,
+ "Use genl command BATADV_CMD_GET_MCAST_FLAGS instead\n");
return single_open(file, batadv_mcast_flags_seq_print_text, net_dev);
}
#endif
@@ -266,31 +292,13 @@
void batadv_debugfs_init(void)
{
struct batadv_debuginfo **bat_debug;
- struct dentry *file;
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
- if (batadv_debugfs == ERR_PTR(-ENODEV))
- batadv_debugfs = NULL;
- if (!batadv_debugfs)
- goto err;
-
- for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) {
- file = debugfs_create_file(((*bat_debug)->attr).name,
- S_IFREG | ((*bat_debug)->attr).mode,
- batadv_debugfs, NULL,
- &(*bat_debug)->fops);
- if (!file) {
- pr_err("Can't add general debugfs file: %s\n",
- ((*bat_debug)->attr).name);
- goto err;
- }
- }
-
- return;
-err:
- debugfs_remove_recursive(batadv_debugfs);
- batadv_debugfs = NULL;
+ 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);
}
/**
@@ -306,42 +314,23 @@
* batadv_debugfs_add_hardif() - creates the base directory for a hard interface
* in debugfs.
* @hard_iface: hard interface which should be added.
- *
- * Return: 0 on success or negative error number in case of failure
*/
-int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
+void batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
{
struct net *net = dev_net(hard_iface->net_dev);
struct batadv_debuginfo **bat_debug;
- struct dentry *file;
-
- if (!batadv_debugfs)
- goto out;
if (net != &init_net)
- return 0;
+ return;
hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name,
batadv_debugfs);
- if (!hard_iface->debug_dir)
- goto out;
- for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug) {
- file = debugfs_create_file(((*bat_debug)->attr).name,
- S_IFREG | ((*bat_debug)->attr).mode,
- hard_iface->debug_dir,
- hard_iface->net_dev,
- &(*bat_debug)->fops);
- if (!file)
- goto rem_attr;
- }
-
- return 0;
-rem_attr:
- debugfs_remove_recursive(hard_iface->debug_dir);
- hard_iface->debug_dir = NULL;
-out:
- return -ENOMEM;
+ 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);
}
/**
@@ -352,15 +341,12 @@
{
const char *name = hard_iface->net_dev->name;
struct dentry *dir;
- struct dentry *d;
dir = hard_iface->debug_dir;
if (!dir)
return;
- d = debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
- if (!d)
- pr_err("Can't rename debugfs dir to %s\n", name);
+ debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
}
/**
@@ -392,44 +378,29 @@
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_debuginfo **bat_debug;
struct net *net = dev_net(dev);
- struct dentry *file;
-
- if (!batadv_debugfs)
- goto out;
if (net != &init_net)
return 0;
bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
- if (!bat_priv->debug_dir)
- goto out;
- if (batadv_socket_setup(bat_priv) < 0)
- goto rem_attr;
+ batadv_socket_setup(bat_priv);
if (batadv_debug_log_setup(bat_priv) < 0)
goto rem_attr;
- for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
- file = debugfs_create_file(((*bat_debug)->attr).name,
- S_IFREG | ((*bat_debug)->attr).mode,
- bat_priv->debug_dir,
- dev, &(*bat_debug)->fops);
- if (!file) {
- batadv_err(dev, "Can't add debugfs file: %s/%s\n",
- dev->name, ((*bat_debug)->attr).name);
- goto rem_attr;
- }
- }
+ 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);
- if (batadv_nc_init_debugfs(bat_priv) < 0)
- goto rem_attr;
+ batadv_nc_init_debugfs(bat_priv);
return 0;
rem_attr:
debugfs_remove_recursive(bat_priv->debug_dir);
bat_priv->debug_dir = NULL;
-out:
return -ENOMEM;
}
@@ -442,15 +413,12 @@
struct batadv_priv *bat_priv = netdev_priv(dev);
const char *name = dev->name;
struct dentry *dir;
- struct dentry *d;
dir = bat_priv->debug_dir;
if (!dir)
return;
- d = debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
- if (!d)
- pr_err("Can't rename debugfs dir to %s\n", name);
+ debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
}
/**
--
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