netfilter: Add nfnl_msg_type() helper function

Add and use nfnl_msg_type() function to replace opencoded nfnetlink message type. I suggested this change, Arushi Singhal made an initial patch to address this but was missing several spots.

Pablo Neira Ayuso committed 9 years ago

Commit dedb67c1 parent 2c62e0b11 files · +33 −27Browse files

Showing the changes to include/linux/netfilter (1 of 11 files). Show all

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include/linux/netfilter/nfnetlink.h+5−0

@@ -41,6 +41,11 @@ int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error); · 40 unmodified lines
41	41	int nfnetlink_unicast(struct sk_buff skb, struct net net, u32 portid,
42	42	int flags);
43	43
	44	+static inline u16 nfnl_msg_type(u8 subsys, u8 msg_type)
	45	+{
	46	+ return subsys << 8 \| msg_type;
	47	+}
	48	+
44	49	void nfnl_lock(__u8 subsys_id);
45	50	void nfnl_unlock(__u8 subsys_id);
46	51	#ifdef CONFIG_PROVE_LOCKING