diff options
Diffstat (limited to 'include/net/netfilter/nf_conntrack.h')
-rw-r--r-- | include/net/netfilter/nf_conntrack.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 9d2581fc04b..9a2950551cd 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h | |||
@@ -244,87 +244,6 @@ extern int nf_conntrack_checksum; | |||
244 | 244 | ||
245 | #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++) | 245 | #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++) |
246 | 246 | ||
247 | #ifdef CONFIG_NF_CONNTRACK_EVENTS | ||
248 | #include <linux/notifier.h> | ||
249 | #include <linux/interrupt.h> | ||
250 | #include <net/netfilter/nf_conntrack_expect.h> | ||
251 | |||
252 | struct nf_conntrack_ecache { | ||
253 | struct nf_conn *ct; | ||
254 | unsigned int events; | ||
255 | }; | ||
256 | DECLARE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache); | ||
257 | |||
258 | #define CONNTRACK_ECACHE(x) (__get_cpu_var(nf_conntrack_ecache).x) | ||
259 | |||
260 | extern struct atomic_notifier_head nf_conntrack_chain; | ||
261 | extern struct atomic_notifier_head nf_conntrack_expect_chain; | ||
262 | |||
263 | static inline int nf_conntrack_register_notifier(struct notifier_block *nb) | ||
264 | { | ||
265 | return atomic_notifier_chain_register(&nf_conntrack_chain, nb); | ||
266 | } | ||
267 | |||
268 | static inline int nf_conntrack_unregister_notifier(struct notifier_block *nb) | ||
269 | { | ||
270 | return atomic_notifier_chain_unregister(&nf_conntrack_chain, nb); | ||
271 | } | ||
272 | |||
273 | static inline int | ||
274 | nf_conntrack_expect_register_notifier(struct notifier_block *nb) | ||
275 | { | ||
276 | return atomic_notifier_chain_register(&nf_conntrack_expect_chain, nb); | ||
277 | } | ||
278 | |||
279 | static inline int | ||
280 | nf_conntrack_expect_unregister_notifier(struct notifier_block *nb) | ||
281 | { | ||
282 | return atomic_notifier_chain_unregister(&nf_conntrack_expect_chain, | ||
283 | nb); | ||
284 | } | ||
285 | |||
286 | extern void nf_ct_deliver_cached_events(const struct nf_conn *ct); | ||
287 | extern void __nf_ct_event_cache_init(struct nf_conn *ct); | ||
288 | |||
289 | static inline void | ||
290 | nf_conntrack_event_cache(enum ip_conntrack_events event, | ||
291 | const struct sk_buff *skb) | ||
292 | { | ||
293 | struct nf_conn *ct = (struct nf_conn *)skb->nfct; | ||
294 | struct nf_conntrack_ecache *ecache; | ||
295 | |||
296 | local_bh_disable(); | ||
297 | ecache = &__get_cpu_var(nf_conntrack_ecache); | ||
298 | if (ct != ecache->ct) | ||
299 | __nf_ct_event_cache_init(ct); | ||
300 | ecache->events |= event; | ||
301 | local_bh_enable(); | ||
302 | } | ||
303 | |||
304 | static inline void nf_conntrack_event(enum ip_conntrack_events event, | ||
305 | struct nf_conn *ct) | ||
306 | { | ||
307 | if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct)) | ||
308 | atomic_notifier_call_chain(&nf_conntrack_chain, event, ct); | ||
309 | } | ||
310 | |||
311 | static inline void | ||
312 | nf_conntrack_expect_event(enum ip_conntrack_expect_events event, | ||
313 | struct nf_conntrack_expect *exp) | ||
314 | { | ||
315 | atomic_notifier_call_chain(&nf_conntrack_expect_chain, event, exp); | ||
316 | } | ||
317 | #else /* CONFIG_NF_CONNTRACK_EVENTS */ | ||
318 | static inline void nf_conntrack_event_cache(enum ip_conntrack_events event, | ||
319 | const struct sk_buff *skb) {} | ||
320 | static inline void nf_conntrack_event(enum ip_conntrack_events event, | ||
321 | struct nf_conn *ct) {} | ||
322 | static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {} | ||
323 | static inline void | ||
324 | nf_conntrack_expect_event(enum ip_conntrack_expect_events event, | ||
325 | struct nf_conntrack_expect *exp) {} | ||
326 | #endif /* CONFIG_NF_CONNTRACK_EVENTS */ | ||
327 | |||
328 | /* no helper, no nat */ | 247 | /* no helper, no nat */ |
329 | #define NF_CT_F_BASIC 0 | 248 | #define NF_CT_F_BASIC 0 |
330 | /* for helper */ | 249 | /* for helper */ |