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/sysfs.c | 200 ++++++++++++++++++++++++++-----------------------
1 files changed, 105 insertions(+), 95 deletions(-)
diff --git a/kernel/net/batman-adv/sysfs.c b/kernel/net/batman-adv/sysfs.c
index 976b038..0f962dc 100644
--- a/kernel/net/batman-adv/sysfs.c
+++ b/kernel/net/batman-adv/sysfs.c
@@ -1,24 +1,13 @@
// 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 "sysfs.h"
#include "main.h"
+#include <asm/current.h>
#include <linux/atomic.h>
#include <linux/compiler.h>
#include <linux/device.h>
@@ -29,17 +18,20 @@
#include <linux/kernel.h>
#include <linux/kobject.h>
#include <linux/kref.h>
+#include <linux/limits.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/rtnetlink.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/stringify.h>
#include <linux/workqueue.h>
#include <uapi/linux/batadv_packet.h>
+#include <uapi/linux/batman_adv.h>
#include "bridge_loop_avoidance.h"
#include "distributed-arp-table.h"
@@ -47,8 +39,19 @@
#include "gateway_common.h"
#include "hard-interface.h"
#include "log.h"
+#include "netlink.h"
#include "network-coding.h"
#include "soft-interface.h"
+
+/**
+ * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access
+ * @attr: attribute which was accessed
+ */
+static void batadv_sysfs_deprecated(struct attribute *attr)
+{
+ pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file \"%s\".\nUse batadv genl family instead",
+ current->comm, task_pid_nr(current), attr->name);
+}
static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
{
@@ -112,22 +115,6 @@
return vlan;
}
-#define BATADV_UEV_TYPE_VAR "BATTYPE="
-#define BATADV_UEV_ACTION_VAR "BATACTION="
-#define BATADV_UEV_DATA_VAR "BATDATA="
-
-static char *batadv_uev_action_str[] = {
- "add",
- "del",
- "change",
- "loopdetect",
-};
-
-static char *batadv_uev_type_str[] = {
- "gw",
- "bla",
-};
-
/* Use this, if you have customized show and store functions for vlan attrs */
#define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \
struct batadv_attribute batadv_attr_vlan_##_name = { \
@@ -153,9 +140,15 @@
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
+ ssize_t length; \
\
- return __batadv_store_bool_attr(buff, count, _post_func, attr, \
- &bat_priv->_name, net_dev); \
+ batadv_sysfs_deprecated(attr); \
+ length = __batadv_store_bool_attr(buff, count, _post_func, attr,\
+ &bat_priv->_name, net_dev); \
+ \
+ batadv_netlink_notify_mesh(bat_priv); \
+ \
+ return length; \
}
#define BATADV_ATTR_SIF_SHOW_BOOL(_name) \
@@ -164,6 +157,7 @@
{ \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
\
+ batadv_sysfs_deprecated(attr); \
return sprintf(buff, "%s\n", \
atomic_read(&bat_priv->_name) == 0 ? \
"disabled" : "enabled"); \
@@ -185,11 +179,17 @@
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
+ ssize_t length; \
\
- return __batadv_store_uint_attr(buff, count, _min, _max, \
- _post_func, attr, \
- &bat_priv->_var, net_dev, \
- NULL); \
+ batadv_sysfs_deprecated(attr); \
+ length = __batadv_store_uint_attr(buff, count, _min, _max, \
+ _post_func, attr, \
+ &bat_priv->_var, net_dev, \
+ NULL); \
+ \
+ batadv_netlink_notify_mesh(bat_priv); \
+ \
+ return length; \
}
#define BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \
@@ -198,6 +198,7 @@
{ \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
\
+ batadv_sysfs_deprecated(attr); \
return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \
} \
@@ -222,6 +223,12 @@
attr, &vlan->_name, \
bat_priv->soft_iface); \
\
+ batadv_sysfs_deprecated(attr); \
+ if (vlan->vid) \
+ batadv_netlink_notify_vlan(bat_priv, vlan); \
+ else \
+ batadv_netlink_notify_mesh(bat_priv); \
+ \
batadv_softif_vlan_put(vlan); \
return res; \
}
@@ -237,6 +244,7 @@
atomic_read(&vlan->_name) == 0 ? \
"disabled" : "enabled"); \
\
+ batadv_sysfs_deprecated(attr); \
batadv_softif_vlan_put(vlan); \
return res; \
}
@@ -255,8 +263,10 @@
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct batadv_hard_iface *hard_iface; \
+ struct batadv_priv *bat_priv; \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
if (!hard_iface) \
return 0; \
@@ -266,6 +276,11 @@
&hard_iface->_var, \
hard_iface->soft_iface, \
net_dev); \
+ \
+ if (hard_iface->soft_iface) { \
+ bat_priv = netdev_priv(hard_iface->soft_iface); \
+ batadv_netlink_notify_hardif(bat_priv, hard_iface); \
+ } \
\
batadv_hardif_put(hard_iface); \
return length; \
@@ -279,6 +294,7 @@
struct batadv_hard_iface *hard_iface; \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
if (!hard_iface) \
return 0; \
@@ -423,6 +439,7 @@
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ batadv_sysfs_deprecated(attr);
return sprintf(buff, "%s\n", bat_priv->algo_ops->name);
}
@@ -438,6 +455,8 @@
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int bytes_written;
+
+ batadv_sysfs_deprecated(attr);
/* GW mode is not available if the routing algorithm in use does not
* implement the GW API
@@ -472,6 +491,8 @@
struct batadv_priv *bat_priv = netdev_priv(net_dev);
char *curr_gw_mode_str;
int gw_mode_tmp = -1;
+
+ batadv_sysfs_deprecated(attr);
/* toggling GW mode is allowed only if the routing algorithm in use
* provides the GW API
@@ -536,6 +557,9 @@
batadv_gw_check_client_stop(bat_priv);
atomic_set(&bat_priv->gw.mode, (unsigned int)gw_mode_tmp);
batadv_gw_tvlv_container_update(bat_priv);
+
+ batadv_netlink_notify_mesh(bat_priv);
+
return count;
}
@@ -543,6 +567,8 @@
struct attribute *attr, char *buff)
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+
+ batadv_sysfs_deprecated(attr);
/* GW selection class is not available if the routing algorithm in use
* does not implement the GW API
@@ -562,6 +588,9 @@
size_t count)
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ ssize_t length;
+
+ batadv_sysfs_deprecated(attr);
/* setting the GW selection class is allowed only if the routing
* algorithm in use implements the GW API
@@ -577,10 +606,14 @@
return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff,
count);
- return __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE,
- batadv_post_gw_reselect, attr,
- &bat_priv->gw.sel_class,
- bat_priv->soft_iface, NULL);
+ length = __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE,
+ batadv_post_gw_reselect, attr,
+ &bat_priv->gw.sel_class,
+ bat_priv->soft_iface, NULL);
+
+ batadv_netlink_notify_mesh(bat_priv);
+
+ return length;
}
static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
@@ -588,6 +621,8 @@
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
u32 down, up;
+
+ batadv_sysfs_deprecated(attr);
down = atomic_read(&bat_priv->gw.bandwidth_down);
up = atomic_read(&bat_priv->gw.bandwidth_up);
@@ -600,12 +635,20 @@
struct attribute *attr, char *buff,
size_t count)
{
+ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
+ ssize_t length;
+
+ batadv_sysfs_deprecated(attr);
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
- return batadv_gw_bandwidth_set(net_dev, buff, count);
+ length = batadv_gw_bandwidth_set(net_dev, buff, count);
+
+ batadv_netlink_notify_mesh(bat_priv);
+
+ return length;
}
/**
@@ -622,6 +665,7 @@
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ batadv_sysfs_deprecated(attr);
return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark,
bat_priv->isolation_mark_mask);
}
@@ -644,6 +688,8 @@
struct batadv_priv *bat_priv = netdev_priv(net_dev);
u32 mark, mask;
char *mask_ptr;
+
+ batadv_sysfs_deprecated(attr);
/* parse the mask if it has been specified, otherwise assume the mask is
* the biggest possible
@@ -672,6 +718,8 @@
batadv_info(net_dev,
"New skb mark for extended isolation: %#.8x/%#.8x\n",
bat_priv->isolation_mark, bat_priv->isolation_mark_mask);
+
+ batadv_netlink_notify_mesh(bat_priv);
return count;
}
@@ -898,6 +946,8 @@
ssize_t length;
const char *ifname;
+ batadv_sysfs_deprecated(attr);
+
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return 0;
@@ -1002,6 +1052,8 @@
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_store_mesh_work *store_work;
+ batadv_sysfs_deprecated(attr);
+
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
@@ -1018,7 +1070,7 @@
dev_hold(net_dev);
INIT_WORK(&store_work->work, batadv_store_mesh_iface_work);
store_work->net_dev = net_dev;
- strlcpy(store_work->soft_iface_name, buff,
+ strscpy(store_work->soft_iface_name, buff,
sizeof(store_work->soft_iface_name));
queue_work(batadv_event_workqueue, &store_work->work);
@@ -1032,6 +1084,8 @@
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_hard_iface *hard_iface;
ssize_t length;
+
+ batadv_sysfs_deprecated(attr);
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
@@ -1079,9 +1133,12 @@
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_hard_iface *hard_iface;
+ struct batadv_priv *bat_priv;
u32 tp_override;
u32 old_tp_override;
bool ret;
+
+ batadv_sysfs_deprecated(attr);
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
@@ -1107,6 +1164,11 @@
atomic_set(&hard_iface->bat_v.throughput_override, tp_override);
+ if (hard_iface->soft_iface) {
+ bat_priv = netdev_priv(hard_iface->soft_iface);
+ batadv_netlink_notify_hardif(bat_priv, hard_iface);
+ }
+
out:
batadv_hardif_put(hard_iface);
return count;
@@ -1119,6 +1181,8 @@
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_hard_iface *hard_iface;
u32 tp_override;
+
+ batadv_sysfs_deprecated(attr);
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
@@ -1205,58 +1269,4 @@
kobject_del(*hardif_obj);
kobject_put(*hardif_obj);
*hardif_obj = NULL;
-}
-
-/**
- * batadv_throw_uevent() - Send an uevent with batman-adv specific env data
- * @bat_priv: the bat priv with all the soft interface information
- * @type: subsystem type of event. Stored in uevent's BATTYPE
- * @action: action type of event. Stored in uevent's BATACTION
- * @data: string with additional information to the event (ignored for
- * BATADV_UEV_DEL). Stored in uevent's BATDATA
- *
- * Return: 0 on success or negative error number in case of failure
- */
-int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
- enum batadv_uev_action action, const char *data)
-{
- int ret = -ENOMEM;
- struct kobject *bat_kobj;
- char *uevent_env[4] = { NULL, NULL, NULL, NULL };
-
- bat_kobj = &bat_priv->soft_iface->dev.kobj;
-
- uevent_env[0] = kasprintf(GFP_ATOMIC,
- "%s%s", BATADV_UEV_TYPE_VAR,
- batadv_uev_type_str[type]);
- if (!uevent_env[0])
- goto out;
-
- uevent_env[1] = kasprintf(GFP_ATOMIC,
- "%s%s", BATADV_UEV_ACTION_VAR,
- batadv_uev_action_str[action]);
- if (!uevent_env[1])
- goto out;
-
- /* If the event is DEL, ignore the data field */
- if (action != BATADV_UEV_DEL) {
- uevent_env[2] = kasprintf(GFP_ATOMIC,
- "%s%s", BATADV_UEV_DATA_VAR, data);
- if (!uevent_env[2])
- goto out;
- }
-
- ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env);
-out:
- kfree(uevent_env[0]);
- kfree(uevent_env[1]);
- kfree(uevent_env[2]);
-
- if (ret)
- batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
- "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
- batadv_uev_type_str[type],
- batadv_uev_action_str[action],
- (action == BATADV_UEV_DEL ? "NULL" : data), ret);
- return ret;
}
--
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