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/rose/rose_loopback.c
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@@ -1,8 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  *
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  * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
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  */
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@@ -99,7 +96,8 @@
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 		}
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 		if (frametype == ROSE_CALL_REQUEST) {
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-			if (!rose_loopback_neigh->dev) {
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+			if (!rose_loopback_neigh->dev &&
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+			    !rose_loopback_neigh->loopback) {
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 				kfree_skb(skb);
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 				continue;
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 			}