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authorHarald Welte <laforge@netfilter.org>2005-08-09 19:43:44 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2005-08-29 15:36:49 -0700
commit0ab43f84995f2c2fcc5cc58a9accaa1095e1317f (patch)
treef58711648f91bbd880fcada7718a2462f0249a78 /include/linux/netfilter/nfnetlink.h
parent2cc7d5730957c4a3f3659d17d2ba5e06d5581c1f (diff)
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[NETFILTER]: Core changes required by upcoming nfnetlink_queue code
- split netfiler verdict in 16bit verdict and 16bit queue number - add 'queuenum' argument to nf_queue_outfn_t and its users ip[6]_queue - move NFNL_SUBSYS_ definitions from enum to #define - introduce autoloading for nfnetlink subsystem modules - add MODULE_ALIAS_NFNL_SUBSYS macro - add nf_unregister_queue_handlers() to register all handlers for a given nf_queue_outfn_t - add more verbose DEBUGP macro definition to nfnetlink.c - make nfnetlink_subsys_register fail if subsys already exists - add some more comments and debug statements to nfnetlink.c Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netfilter/nfnetlink.h')
-rw-r--r--include/linux/netfilter/nfnetlink.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index ace7a7be0742..561f9df28808 100644
--- 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 */