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/bat_v_elp.c | 43 ++++++++++++++++++++-----------------------
1 files changed, 20 insertions(+), 23 deletions(-)
diff --git a/kernel/net/batman-adv/bat_v_elp.c b/kernel/net/batman-adv/bat_v_elp.c
index af3da6c..83586f1 100644
--- a/kernel/net/batman-adv/bat_v_elp.c
+++ b/kernel/net/batman-adv/bat_v_elp.c
@@ -1,19 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2011-2020 B.A.T.M.A.N. contributors:
*
* Linus Lüssing, 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 "bat_v_elp.h"
@@ -32,6 +20,7 @@
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
+#include <linux/prandom.h>
#include <linux/random.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
@@ -61,7 +50,7 @@
unsigned int msecs;
msecs = atomic_read(&hard_iface->bat_v.elp_interval) - BATADV_JITTER;
- msecs += prandom_u32() % (2 * BATADV_JITTER);
+ msecs += prandom_u32_max(2 * BATADV_JITTER);
queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.elp_wq,
msecs_to_jiffies(msecs));
@@ -72,7 +61,7 @@
* @neigh: the neighbour for which the throughput has to be obtained
*
* Return: The throughput towards the given neighbour in multiples of 100kpbs
- * (a value of '1' equals to 0.1Mbps, '10' equals 1Mbps, etc).
+ * (a value of '1' equals 0.1Mbps, '10' equals 1Mbps, etc).
*/
static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
{
@@ -119,10 +108,17 @@
}
if (ret)
goto default_throughput;
- if (!(sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT)))
- goto default_throughput;
- return sinfo.expected_throughput / 100;
+ if (sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT))
+ return sinfo.expected_throughput / 100;
+
+ /* try to estimate the expected throughput based on reported tx
+ * rates
+ */
+ if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))
+ return cfg80211_calculate_bitrate(&sinfo.txrate) / 3;
+
+ goto default_throughput;
}
/* if not a wifi interface, check if this device provides data via
@@ -188,8 +184,8 @@
*
* Sends a predefined number of unicast wifi packets to a given neighbour in
* order to trigger the throughput estimation on this link by the RC algorithm.
- * Packets are sent only if there there is not enough payload unicast traffic
- * towards this neighbour..
+ * Packets are sent only if there is not enough payload unicast traffic towards
+ * this neighbour..
*
* Return: True on success and false in case of error during skb preparation.
*/
@@ -249,7 +245,7 @@
* batadv_v_elp_periodic_work() - ELP periodic task per interface
* @work: work queue item
*
- * Emits broadcast ELP message in regular intervals.
+ * Emits broadcast ELP messages in regular intervals.
*/
static void batadv_v_elp_periodic_work(struct work_struct *work)
{
@@ -504,7 +500,7 @@
* @skb: the received packet
* @if_incoming: the interface this packet was received through
*
- * Return: NET_RX_SUCCESS and consumes the skb if the packet was peoperly
+ * Return: NET_RX_SUCCESS and consumes the skb if the packet was properly
* processed or NET_RX_DROP in case of failure.
*/
int batadv_v_elp_packet_recv(struct sk_buff *skb,
@@ -513,7 +509,7 @@
struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct batadv_elp_packet *elp_packet;
struct batadv_hard_iface *primary_if;
- struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);
+ struct ethhdr *ethhdr;
bool res;
int ret = NET_RX_DROP;
@@ -521,6 +517,7 @@
if (!res)
goto free_skb;
+ ethhdr = eth_hdr(skb);
if (batadv_is_my_mac(bat_priv, ethhdr->h_source))
goto free_skb;
--
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