projects / deliverable / linux.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 { | |
| b3e0bfa7 ED |
18 | atomic64_t packets; |
| 19 | atomic64_t bytes; | |
| 58401572 KPO |
20 | }; |
| 21 | ||
| f7b13e43 HE |
22 | struct nf_conn_acct { |
| 23 | struct nf_conn_counter counter[IP_CT_DIR_MAX]; | |
| 24 | }; | |
| 25 | ||
| 58401572 | 26 | static inline |
| f7b13e43 | 27 | struct nf_conn_acct *nf_conn_acct_find(const struct nf_conn *ct) |
| 58401572 KPO |
28 | { |
| 29 | return nf_ct_ext_find(ct, NF_CT_EXT_ACCT); | |
| 30 | } | |
| 31 | ||
| 32 | static inline | |
| f7b13e43 | 33 | struct nf_conn_acct *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp) |
| 58401572 | 34 | { |
| d716a4df | 35 | struct net *net = nf_ct_net(ct); |
| f7b13e43 | 36 | struct nf_conn_acct *acct; |
| 58401572 | 37 | |
| d716a4df | 38 | if (!net->ct.sysctl_acct) |
| 58401572 KPO |
39 | return NULL; |
| 40 | ||
| 41 | acct = nf_ct_ext_add(ct, NF_CT_EXT_ACCT, gfp); | |
| 42 | if (!acct) | |
| 43 | pr_debug("failed to add accounting extension area"); | |
| 44 | ||
| 45 | ||
| 46 | return acct; | |
| 47 | }; | |
| 48 | ||
| 4e77be46 JP |
49 | unsigned int seq_print_acct(struct seq_file *s, const struct nf_conn *ct, |
| 50 | int dir); | |
| 58401572 | 51 | |
| a8756201 TG |
52 | /* Check if connection tracking accounting is enabled */ |
| 53 | static inline bool nf_ct_acct_enabled(struct net *net) | |
| 54 | { | |
| 55 | return net->ct.sysctl_acct != 0; | |
| 56 | } | |
| 57 | ||
| 58 | /* Enable/disable connection tracking accounting */ | |
| 59 | static inline void nf_ct_set_acct(struct net *net, bool enable) | |
| 60 | { | |
| 61 | net->ct.sysctl_acct = enable; | |
| 62 | } | |
| 63 | ||
| 4e77be46 JP |
64 | int nf_conntrack_acct_pernet_init(struct net *net); |
| 65 | void nf_conntrack_acct_pernet_fini(struct net *net); | |
| 58401572 | 66 | |
| 4e77be46 JP |
67 | int nf_conntrack_acct_init(void); |
| 68 | void nf_conntrack_acct_fini(void); | |
| 58401572 | 69 | #endif /* _NF_CONNTRACK_ACCT_H */ |