修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/sched/sch_atm.c
..
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* net/sched/sch_atm.c - ATM VC selection "queueing discipline" */
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 /* Written 1998-2000 by Werner Almesberger, EPFL ICA */
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@@ -57,7 +58,7 @@
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 	struct atm_flow_data	*excess;	/* flow for excess traffic;
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 						   NULL to set CLP instead */
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 	int			hdr_len;
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-	unsigned char		hdr[0];		/* header data; MUST BE LAST */
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+	unsigned char		hdr[];		/* header data; MUST BE LAST */
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 };
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 struct atm_qdisc_data {
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@@ -223,7 +224,8 @@
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 	if (opt == NULL)
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 		return -EINVAL;
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-	error = nla_parse_nested(tb, TCA_ATM_MAX, opt, atm_policy, NULL);
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+	error = nla_parse_nested_deprecated(tb, TCA_ATM_MAX, opt, atm_policy,
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+					    NULL);
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 	if (error < 0)
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 		return error;
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..
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@@ -394,10 +396,13 @@
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 				result = tcf_classify(skb, fl, &res, true);
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 				if (result < 0)
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 					continue;
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+				if (result == TC_ACT_SHOT)
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+					goto done;
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+
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 				flow = (struct atm_flow_data *)res.class;
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 				if (!flow)
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 					flow = lookup_flow(sch, res.classid);
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-				goto done;
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+				goto drop;
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 			}
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 		}
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 		flow = NULL;
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@@ -573,7 +578,6 @@
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 	pr_debug("atm_tc_reset(sch %p,[qdisc %p])\n", sch, p);
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 	list_for_each_entry(flow, &p->flows, list)
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 		qdisc_reset(flow->q);
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-	sch->q.qlen = 0;
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 }
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 static void atm_tc_destroy(struct Qdisc *sch)
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@@ -609,7 +613,7 @@
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 	tcm->tcm_handle = flow->common.classid;
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 	tcm->tcm_info = flow->q->handle;
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-	nest = nla_nest_start(skb, TCA_OPTIONS);
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+	nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
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 	if (nest == NULL)
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 		goto nla_put_failure;
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