git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 58401572 KPO |
1 | /* |
| 2 | * (C) 2008 Krzysztof Piotr Oledzki <ole@ans.pl> | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _NF_CONNTRACK_ACCT_H | |
| 10 | #define _NF_CONNTRACK_ACCT_H | |
| d716a4df | 11 | #include <net/net_namespace.h> |
| 58401572 KPO |
12 | #include <linux/netfilter/nf_conntrack_common.h> |
| 13 | #include <linux/netfilter/nf_conntrack_tuple_common.h> | |
| 14 | #include <net/netfilter/nf_conntrack.h> | |
| 15 | #include <net/netfilter/nf_conntrack_extend.h> | |
| 16 | ||
| 17 | struct nf_conn_counter { | |
| 18 | u_int64_t packets; | |
| 19 | u_int64_t bytes; | |
| 20 | }; | |
| 21 | ||
| 58401572 KPO |
22 | static inline |
| 23 | struct nf_conn_counter *nf_conn_acct_find(const struct nf_conn *ct) | |
| 24 | { | |
| 25 | return nf_ct_ext_find(ct, NF_CT_EXT_ACCT); | |
| 26 | } | |
| 27 | ||
| 28 | static inline | |
| 29 | struct nf_conn_counter *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp) | |
| 30 | { | |
| d716a4df | 31 | struct net *net = nf_ct_net(ct); |
| 58401572 KPO |
32 | struct nf_conn_counter *acct; |
| 33 | ||
| d716a4df | 34 | if (!net->ct.sysctl_acct) |
| 58401572 KPO |
35 | return NULL; |
| 36 | ||
| 37 | acct = nf_ct_ext_add(ct, NF_CT_EXT_ACCT, gfp); | |
| 38 | if (!acct) | |
| 39 | pr_debug("failed to add accounting extension area"); | |
| 40 | ||
| 41 | ||
| 42 | return acct; | |
| 43 | }; | |
| 44 | ||
| 45 | extern unsigned int | |
| 46 | seq_print_acct(struct seq_file *s, const struct nf_conn *ct, int dir); | |
| 47 | ||
| a8756201 TG |
48 | /* Check if connection tracking accounting is enabled */ |
| 49 | static inline bool nf_ct_acct_enabled(struct net *net) | |
| 50 | { | |
| 51 | return net->ct.sysctl_acct != 0; | |
| 52 | } | |
| 53 | ||
| 54 | /* Enable/disable connection tracking accounting */ | |
| 55 | static inline void nf_ct_set_acct(struct net *net, bool enable) | |
| 56 | { | |
| 57 | net->ct.sysctl_acct = enable; | |
| 58 | } | |
| 59 | ||
| d716a4df AD |
60 | extern int nf_conntrack_acct_init(struct net *net); |
| 61 | extern void nf_conntrack_acct_fini(struct net *net); | |
| 58401572 KPO |
62 | |
| 63 | #endif /* _NF_CONNTRACK_ACCT_H */ |