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/sched/sch_cbq.c | 33 +++++++++++++--------------------
1 files changed, 13 insertions(+), 20 deletions(-)
diff --git a/kernel/net/sched/sch_cbq.c b/kernel/net/sched/sch_cbq.c
index 0a76ad0..3da5eb3 100644
--- a/kernel/net/sched/sch_cbq.c
+++ b/kernel/net/sched/sch_cbq.c
@@ -1,13 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* net/sched/sch_cbq.c Class-Based Queueing discipline.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
*/
#include <linux/module.h>
@@ -236,6 +231,8 @@
result = tcf_classify(skb, fl, &res, true);
if (!fl || result < 0)
goto fallback;
+ if (result == TC_ACT_SHOT)
+ return NULL;
cl = (void *)res.class;
if (!cl) {
@@ -255,9 +252,7 @@
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
- /* fall through */
- case TC_ACT_SHOT:
- return NULL;
+ fallthrough;
case TC_ACT_RECLASSIFY:
return cbq_reclassify(skb, cl);
}
@@ -365,7 +360,7 @@
struct sk_buff **to_free)
{
struct cbq_sched_data *q = qdisc_priv(sch);
- int uninitialized_var(ret);
+ int ret;
struct cbq_class *cl = cbq_classify(skb, sch, &ret);
#ifdef CONFIG_NET_CLS_ACT
@@ -1058,7 +1053,6 @@
cl->cpriority = cl->priority;
}
}
- sch->q.qlen = 0;
}
@@ -1143,7 +1137,8 @@
return -EINVAL;
}
- err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, extack);
+ err = nla_parse_nested_deprecated(tb, TCA_CBQ_MAX, opt,
+ cbq_policy, extack);
if (err < 0)
return err;
@@ -1326,7 +1321,7 @@
struct cbq_sched_data *q = qdisc_priv(sch);
struct nlattr *nest;
- nest = nla_nest_start(skb, TCA_OPTIONS);
+ nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
if (nest == NULL)
goto nla_put_failure;
if (cbq_dump_attr(skb, &q->link) < 0)
@@ -1361,7 +1356,7 @@
tcm->tcm_handle = cl->common.classid;
tcm->tcm_info = cl->q->handle;
- nest = nla_nest_start(skb, TCA_OPTIONS);
+ nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
if (nest == NULL)
goto nla_put_failure;
if (cbq_dump_attr(skb, cl) < 0)
@@ -1379,9 +1374,11 @@
{
struct cbq_sched_data *q = qdisc_priv(sch);
struct cbq_class *cl = (struct cbq_class *)arg;
+ __u32 qlen;
cl->xstats.avgidle = cl->avgidle;
cl->xstats.undertime = 0;
+ qdisc_qstats_qlen_backlog(cl->q, &qlen, &cl->qstats.backlog);
if (cl->undertime != PSCHED_PASTPERFECT)
cl->xstats.undertime = cl->undertime - q->now;
@@ -1389,7 +1386,7 @@
if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
- gnet_stats_copy_queue(d, NULL, &cl->qstats, cl->q->q.qlen) < 0)
+ gnet_stats_copy_queue(d, NULL, &cl->qstats, qlen) < 0)
return -1;
return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats));
@@ -1681,17 +1678,13 @@
{
struct cbq_sched_data *q = qdisc_priv(sch);
struct cbq_class *cl = (struct cbq_class *)arg;
- unsigned int qlen, backlog;
if (cl->filters || cl->children || cl == &q->link)
return -EBUSY;
sch_tree_lock(sch);
- qlen = cl->q->q.qlen;
- backlog = cl->q->qstats.backlog;
- qdisc_reset(cl->q);
- qdisc_tree_reduce_backlog(cl->q, qlen, backlog);
+ qdisc_purge_queue(cl->q);
if (cl->next_alive)
cbq_deactivate_class(cl);
--
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