Pablo Neira Ayuso | a992ca2 | 2011-01-19 16:00:07 +0100 | [diff] [blame] | 1 | #ifndef _NF_CONNTRACK_TSTAMP_H |
| 2 | #define _NF_CONNTRACK_TSTAMP_H |
| 3 | |
| 4 | #include <net/net_namespace.h> |
| 5 | #include <linux/netfilter/nf_conntrack_common.h> |
| 6 | #include <linux/netfilter/nf_conntrack_tuple_common.h> |
| 7 | #include <net/netfilter/nf_conntrack.h> |
| 8 | #include <net/netfilter/nf_conntrack_extend.h> |
| 9 | |
| 10 | struct nf_conn_tstamp { |
| 11 | u_int64_t start; |
| 12 | u_int64_t stop; |
| 13 | }; |
| 14 | |
| 15 | static inline |
| 16 | struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct) |
| 17 | { |
| 18 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
| 19 | return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP); |
| 20 | #else |
| 21 | return NULL; |
| 22 | #endif |
| 23 | } |
| 24 | |
| 25 | static inline |
| 26 | struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp) |
| 27 | { |
| 28 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
| 29 | struct net *net = nf_ct_net(ct); |
| 30 | |
| 31 | if (!net->ct.sysctl_tstamp) |
| 32 | return NULL; |
| 33 | |
| 34 | return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp); |
| 35 | #else |
| 36 | return NULL; |
| 37 | #endif |
| 38 | }; |
| 39 | |
| 40 | static inline bool nf_ct_tstamp_enabled(struct net *net) |
| 41 | { |
| 42 | return net->ct.sysctl_tstamp != 0; |
| 43 | } |
| 44 | |
| 45 | static inline void nf_ct_set_tstamp(struct net *net, bool enable) |
| 46 | { |
| 47 | net->ct.sysctl_tstamp = enable; |
| 48 | } |
| 49 | |
Patrick McHardy | 2f1e317 | 2011-01-20 20:46:52 +0100 | [diff] [blame] | 50 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
Pablo Neira Ayuso | a992ca2 | 2011-01-19 16:00:07 +0100 | [diff] [blame] | 51 | extern int nf_conntrack_tstamp_init(struct net *net); |
| 52 | extern void nf_conntrack_tstamp_fini(struct net *net); |
Patrick McHardy | 2f1e317 | 2011-01-20 20:46:52 +0100 | [diff] [blame] | 53 | #else |
| 54 | static inline int nf_conntrack_tstamp_init(struct net *net) |
| 55 | { |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static inline void nf_conntrack_tstamp_fini(struct net *net) |
| 60 | { |
| 61 | return; |
| 62 | } |
| 63 | #endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */ |
Pablo Neira Ayuso | a992ca2 | 2011-01-19 16:00:07 +0100 | [diff] [blame] | 64 | |
| 65 | #endif /* _NF_CONNTRACK_TSTAMP_H */ |