[NETFILTER]: Core changes required by upcoming nfnetlink_queue code

[firefly-linux-kernel-4.4.55.git] / include / linux / netfilter / nfnetlink.h

diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index ace7a7be0742da5a5d1be3aeaf06cb8873c77b8a..561f9df288088d32299c58be31fad8a115f203b9 100644 (file)
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -69,15 +69,14 @@ struct nfgenmsg {
 #define NFNL_SUBSYS_ID(x)      ((x & 0xff00) >> 8)
 #define NFNL_MSG_TYPE(x)       (x & 0x00ff)
 
-enum nfnl_subsys_id {
-       NFNL_SUBSYS_NONE = 0,
-       NFNL_SUBSYS_CTNETLINK,
-       NFNL_SUBSYS_CTNETLINK_EXP,
-       NFNL_SUBSYS_IPTNETLINK,
-       NFNL_SUBSYS_QUEUE,
-       NFNL_SUBSYS_ULOG,
-       NFNL_SUBSYS_COUNT,
-};
+/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
+ * won't work anymore */
+#define NFNL_SUBSYS_NONE               0
+#define NFNL_SUBSYS_CTNETLINK          1
+#define NFNL_SUBSYS_CTNETLINK_EXP      2
+#define NFNL_SUBSYS_QUEUE              3
+#define NFNL_SUBSYS_ULOG               4
+#define NFNL_SUBSYS_COUNT              5
 
 #ifdef __KERNEL__
 
@@ -142,5 +141,8 @@ extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group,
                          int echo);
 extern int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags);
 
+#define MODULE_ALIAS_NFNL_SUBSYS(subsys) \
+       MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys))
+
 #endif /* __KERNEL__ */
 #endif /* _NFNETLINK_H */