add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ipvlan/ipvlan_l3s.c
..
..
@@ -101,6 +101,11 @@
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 		goto out;
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 	skb->dev = addr->master->dev;
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+	skb->skb_iif = skb->dev->ifindex;
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+#if IS_ENABLED(CONFIG_IPV6)
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+	if (addr->atype == IPVL_IPV6)
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+		IP6CB(skb)->iif = skb->dev->ifindex;
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+#endif
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 	len = skb->len + ETH_HLEN;
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 	ipvlan_count_rx(addr->master, len, true, false);
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 out: