write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/net/ip.h
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@@ -57,6 +57,7 @@
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 #define IPSKB_DOREDIRECT	BIT(5)
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 #define IPSKB_FRAG_PMTU		BIT(6)
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 #define IPSKB_L3SLAVE		BIT(7)
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+#define IPSKB_MULTIPATH		BIT(9)
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 	u16			frag_max_size;
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 };
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@@ -76,6 +77,7 @@
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 	__be32			addr;
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 	int			oif;
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 	struct ip_options_rcu	*opt;
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+	__u8			protocol;
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 	__u8			ttl;
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 	__s16			tos;
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 	char			priority;
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@@ -96,6 +98,7 @@
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 	ipcm->sockc.tsflags = inet->sk.sk_tsflags;
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 	ipcm->oif = inet->sk.sk_bound_dev_if;
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 	ipcm->addr = inet->inet_saddr;
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+	ipcm->protocol = inet->inet_num;
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 }
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 #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))