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authorPablo Neira Ayuso <pablo@netfilter.org>2017-03-28 22:27:32 +0530
committerPablo Neira Ayuso <pablo@netfilter.org>2017-04-07 16:31:36 +0200
commitdedb67c4b4e5fa2e6e149a2ce93e7848aaa9d762 (patch)
tree3a250a737ad2c5de9293a2f7ec7609f824321c94 /include/linux
parentnetfilter: ctnetlink: Expectations must have a conntrack helper area (diff)
downloadlinux-dev-dedb67c4b4e5fa2e6e149a2ce93e7848aaa9d762.tar.xz
linux-dev-dedb67c4b4e5fa2e6e149a2ce93e7848aaa9d762.zip
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. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netfilter/nfnetlink.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 1b49209dd5c7..996711d8a7b4 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -41,6 +41,11 @@ int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error);
int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid,
int flags);
+static inline u16 nfnl_msg_type(u8 subsys, u8 msg_type)
+{
+ return subsys << 8 | msg_type;
+}
+
void nfnl_lock(__u8 subsys_id);
void nfnl_unlock(__u8 subsys_id);
#ifdef CONFIG_PROVE_LOCKING