add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/linux/if_arp.h
..
..
@@ -52,6 +52,10 @@
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 	case ARPHRD_NONE:
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 	case ARPHRD_RAWIP:
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 	case ARPHRD_PIMREG:
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+	/* PPP adds its l2 header automatically in ppp_start_xmit().
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+	 * This makes it look like an l3 device to __bpf_redirect() and tcf_mirred_init().
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+	 */
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+	case ARPHRD_PPP:
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 		return false;
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 	default:
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 		return true;