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netfilter: conntrack: add nf_ct_acct_add() 

Add nf_ct_acct_add function to update the conntrack counter
with packets and bytes.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
wenxu 2020-03-28 08:57:53 +08:00 committed by Pablo Neira Ayuso
parent d56aab2625
commit 9312eabab4
2 changed files with 14 additions and 4 deletions
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11
include/net/netfilter/nf_conntrack_acct.h
View File

@ -65,7 +65,16 @@ static inline void nf_ct_set_acct(struct net *net, bool enable)
#endif
}
void nf_ct_acct_update(struct nf_conn *ct, u32 dir, unsigned int bytes);
void nf_ct_acct_add(struct nf_conn *ct, u32 dir, unsigned int packets,
unsigned int bytes);
static inline void nf_ct_acct_update(struct nf_conn *ct, u32 dir,
unsigned int bytes)
{
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
nf_ct_acct_add(ct, dir, 1, bytes);
#endif
}
void nf_conntrack_acct_pernet_init(struct net *net);

7
net/netfilter/nf_conntrack_core.c
View File

@ -865,7 +865,8 @@ out:
}
EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert);
void nf_ct_acct_update(struct nf_conn *ct, u32 dir, unsigned int bytes)
void nf_ct_acct_add(struct nf_conn *ct, u32 dir, unsigned int packets,
unsigned int bytes)
{
struct nf_conn_acct *acct;
@ -873,11 +874,11 @@ void nf_ct_acct_update(struct nf_conn *ct, u32 dir, unsigned int bytes)
if (acct) {
struct nf_conn_counter *counter = acct->counter;
atomic64_inc(&counter[dir].packets);
atomic64_add(packets, &counter[dir].packets);
atomic64_add(bytes, &counter[dir].bytes);
}
}
EXPORT_SYMBOL_GPL(nf_ct_acct_update);
EXPORT_SYMBOL_GPL(nf_ct_acct_add);
static void nf_ct_acct_merge(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
const struct nf_conn *loser_ct)