#include <net/net_namespace.h>
#include <net/netfilter/nf_conntrack_expect.h>
+/* Connection tracking event bits */
+enum ip_conntrack_events
+{
+ /* New conntrack */
+ IPCT_NEW_BIT = 0,
+ IPCT_NEW = (1 << IPCT_NEW_BIT),
+
+ /* Expected connection */
+ IPCT_RELATED_BIT = 1,
+ IPCT_RELATED = (1 << IPCT_RELATED_BIT),
+
+ /* Destroyed conntrack */
+ IPCT_DESTROY_BIT = 2,
+ IPCT_DESTROY = (1 << IPCT_DESTROY_BIT),
+
+ /* Status has changed */
+ IPCT_STATUS_BIT = 3,
+ IPCT_STATUS = (1 << IPCT_STATUS_BIT),
+
+ /* Update of protocol info */
+ IPCT_PROTOINFO_BIT = 4,
+ IPCT_PROTOINFO = (1 << IPCT_PROTOINFO_BIT),
+
+ /* New helper for conntrack */
+ IPCT_HELPER_BIT = 5,
+ IPCT_HELPER = (1 << IPCT_HELPER_BIT),
+
+ /* Mark is set */
+ IPCT_MARK_BIT = 6,
+ IPCT_MARK = (1 << IPCT_MARK_BIT),
+
+ /* NAT sequence adjustment */
+ IPCT_NATSEQADJ_BIT = 7,
+ IPCT_NATSEQADJ = (1 << IPCT_NATSEQADJ_BIT),
+
+ /* Secmark is set */
+ IPCT_SECMARK_BIT = 8,
+ IPCT_SECMARK = (1 << IPCT_SECMARK_BIT),
+};
+
+enum ip_conntrack_expect_events {
+ IPEXP_NEW_BIT = 0,
+ IPEXP_NEW = (1 << IPEXP_NEW_BIT),
+};
+
#ifdef CONFIG_NF_CONNTRACK_EVENTS
struct nf_conntrack_ecache {
struct nf_conn *ct;
unsigned int events;
};
+/* This structure is passed to event handler */
+struct nf_ct_event {
+ struct nf_conn *ct;
+ u32 pid;
+ int report;
+};
+
extern struct atomic_notifier_head nf_conntrack_chain;
extern int nf_conntrack_register_notifier(struct notifier_block *nb);
extern int nf_conntrack_unregister_notifier(struct notifier_block *nb);
local_bh_enable();
}
-static inline void nf_conntrack_event(enum ip_conntrack_events event,
- struct nf_conn *ct)
+static inline void
+nf_conntrack_event_report(enum ip_conntrack_events event,
+ struct nf_conn *ct,
+ u32 pid,
+ int report)
{
+ struct nf_ct_event item = {
+ .ct = ct,
+ .pid = pid,
+ .report = report
+ };
if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
- atomic_notifier_call_chain(&nf_conntrack_chain, event, ct);
+ atomic_notifier_call_chain(&nf_conntrack_chain, event, &item);
+}
+
+static inline void
+nf_conntrack_event(enum ip_conntrack_events event, struct nf_conn *ct)
+{
+ nf_conntrack_event_report(event, ct, 0, 0);
}
+struct nf_exp_event {
+ struct nf_conntrack_expect *exp;
+ u32 pid;
+ int report;
+};
+
extern struct atomic_notifier_head nf_ct_expect_chain;
extern int nf_ct_expect_register_notifier(struct notifier_block *nb);
extern int nf_ct_expect_unregister_notifier(struct notifier_block *nb);
+static inline void
+nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
+ struct nf_conntrack_expect *exp,
+ u32 pid,
+ int report)
+{
+ struct nf_exp_event item = {
+ .exp = exp,
+ .pid = pid,
+ .report = report
+ };
+ atomic_notifier_call_chain(&nf_ct_expect_chain, event, &item);
+}
+
static inline void
nf_ct_expect_event(enum ip_conntrack_expect_events event,
struct nf_conntrack_expect *exp)
{
- atomic_notifier_call_chain(&nf_ct_expect_chain, event, exp);
+ nf_ct_expect_event_report(event, exp, 0, 0);
}
extern int nf_conntrack_ecache_init(struct net *net);
struct nf_conn *ct) {}
static inline void nf_conntrack_event(enum ip_conntrack_events event,
struct nf_conn *ct) {}
+static inline void nf_conntrack_event_report(enum ip_conntrack_events event,
+ struct nf_conn *ct,
+ u32 pid,
+ int report) {}
static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {}
static inline void nf_ct_expect_event(enum ip_conntrack_expect_events event,
struct nf_conntrack_expect *exp) {}
+static inline void nf_ct_expect_event_report(enum ip_conntrack_expect_events e,
+ struct nf_conntrack_expect *exp,
+ u32 pid,
+ int report) {}
static inline void nf_ct_event_cache_flush(struct net *net) {}
static inline int nf_conntrack_ecache_init(struct net *net)