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/network-coding.c | 67 +++++++++++----------------------
1 files changed, 23 insertions(+), 44 deletions(-)
diff --git a/kernel/net/batman-adv/network-coding.c b/kernel/net/batman-adv/network-coding.c
index d6749fc..1481b80 100644
--- a/kernel/net/batman-adv/network-coding.c
+++ b/kernel/net/batman-adv/network-coding.c
@@ -1,19 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2020 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll, Jeppe Ledet-Pedersen
- *
- * 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 "network-coding.h"
@@ -38,8 +26,8 @@
#include <linux/lockdep.h>
#include <linux/net.h>
#include <linux/netdevice.h>
+#include <linux/prandom.h>
#include <linux/printk.h>
-#include <linux/random.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
@@ -146,7 +134,7 @@
}
/**
- * batadv_nc_mesh_init() - initialise coding hash table and start house keeping
+ * batadv_nc_mesh_init() - initialise coding hash table and start housekeeping
* @bat_priv: the bat priv with all the soft interface information
*
* Return: 0 on success or negative error number in case of failure
@@ -234,6 +222,9 @@
*/
static void batadv_nc_node_put(struct batadv_nc_node *nc_node)
{
+ if (!nc_node)
+ return;
+
kref_put(&nc_node->refcount, batadv_nc_node_release);
}
@@ -258,13 +249,16 @@
*/
static void batadv_nc_path_put(struct batadv_nc_path *nc_path)
{
+ if (!nc_path)
+ return;
+
kref_put(&nc_path->refcount, batadv_nc_path_release);
}
/**
* batadv_nc_packet_free() - frees nc packet
* @nc_packet: the nc packet to free
- * @dropped: whether the packet is freed because is is dropped
+ * @dropped: whether the packet is freed because is dropped
*/
static void batadv_nc_packet_free(struct batadv_nc_packet *nc_packet,
bool dropped)
@@ -714,7 +708,7 @@
}
/**
- * batadv_nc_worker() - periodic task for house keeping related to network
+ * batadv_nc_worker() - periodic task for housekeeping related to network
* coding
* @work: kernel work struct
*/
@@ -1330,7 +1324,7 @@
}
/**
- * batadv_nc_skb_src_search() - Loops through the list of neighoring nodes of
+ * batadv_nc_skb_src_search() - Loops through the list of neighboring nodes of
* the skb's sender (may be equal to the originator).
* @bat_priv: the bat priv with all the soft interface information
* @skb: data skb to forward
@@ -1416,10 +1410,10 @@
* @neigh_node: next hop to forward packet to
* @ethhdr: pointer to the ethernet header inside the skb
*
- * Loops through list of neighboring nodes the next hop has a good connection to
- * (receives OGMs with a sufficient quality). We need to find a neighbor of our
- * next hop that potentially sent a packet which our next hop also received
- * (overheard) and has stored for later decoding.
+ * Loops through the list of neighboring nodes the next hop has a good
+ * connection to (receives OGMs with a sufficient quality). We need to find a
+ * neighbor of our next hop that potentially sent a packet which our next hop
+ * also received (overheard) and has stored for later decoding.
*
* Return: true if the skb was consumed (encoded packet sent) or false otherwise
*/
@@ -1958,34 +1952,19 @@
/**
* batadv_nc_init_debugfs() - create nc folder and related files in debugfs
* @bat_priv: the bat priv with all the soft interface information
- *
- * Return: 0 on success or negative error number in case of failure
*/
-int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
+void batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
{
- struct dentry *nc_dir, *file;
+ struct dentry *nc_dir;
nc_dir = debugfs_create_dir("nc", bat_priv->debug_dir);
- if (!nc_dir)
- goto out;
- file = debugfs_create_u8("min_tq", 0644, nc_dir, &bat_priv->nc.min_tq);
- if (!file)
- goto out;
+ debugfs_create_u8("min_tq", 0644, nc_dir, &bat_priv->nc.min_tq);
- file = debugfs_create_u32("max_fwd_delay", 0644, nc_dir,
- &bat_priv->nc.max_fwd_delay);
- if (!file)
- goto out;
+ debugfs_create_u32("max_fwd_delay", 0644, nc_dir,
+ &bat_priv->nc.max_fwd_delay);
- file = debugfs_create_u32("max_buffer_time", 0644, nc_dir,
- &bat_priv->nc.max_buffer_time);
- if (!file)
- goto out;
-
- return 0;
-
-out:
- return -ENOMEM;
+ debugfs_create_u32("max_buffer_time", 0644, nc_dir,
+ &bat_priv->nc.max_buffer_time);
}
#endif
--
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