[PATCH nf-next 1/3] netfilter: conntrack: export nf_ct_acct_update()

[Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>]

This function allows you to update the conntrack counters.

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 include/net/netfilter/nf_conntrack_acct.h |  2 ++
 net/netfilter/nf_conntrack_core.c         | 15 +++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/net/netfilter/nf_conntrack_acct.h b/include/net/netfilter/nf_conntrack_acct.h
index f7a060c6eb28..df198c51244a 100644
--- a/include/net/netfilter/nf_conntrack_acct.h
+++ b/include/net/netfilter/nf_conntrack_acct.h
@@ -65,6 +65,8 @@ 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_conntrack_acct_pernet_init(struct net *net);
 
 int nf_conntrack_acct_init(void);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index a18f8fe728e3..a55c1d6f8191 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -863,9 +863,7 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct)
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert);
 
-static inline void nf_ct_acct_update(struct nf_conn *ct,
-				     enum ip_conntrack_info ctinfo,
-				     unsigned int len)
+void nf_ct_acct_update(struct nf_conn *ct, u32 dir, unsigned int bytes)
 {
 	struct nf_conn_acct *acct;
 
@@ -873,10 +871,11 @@ static inline void nf_ct_acct_update(struct nf_conn *ct,
 	if (acct) {
 		struct nf_conn_counter *counter = acct->counter;
 
-		atomic64_inc(&counter[CTINFO2DIR(ctinfo)].packets);
-		atomic64_add(len, &counter[CTINFO2DIR(ctinfo)].bytes);
+		atomic64_inc(&counter[dir].packets);
+		atomic64_add(bytes, &counter[dir].bytes);
 	}
 }
+EXPORT_SYMBOL_GPL(nf_ct_acct_update);
 
 static void nf_ct_acct_merge(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 			     const struct nf_conn *loser_ct)
@@ -890,7 +889,7 @@ static void nf_ct_acct_merge(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 
 		/* u32 should be fine since we must have seen one packet. */
 		bytes = atomic64_read(&counter[CTINFO2DIR(ctinfo)].bytes);
-		nf_ct_acct_update(ct, ctinfo, bytes);
+		nf_ct_acct_update(ct, CTINFO2DIR(ctinfo), bytes);
 	}
 }
 
@@ -1931,7 +1930,7 @@ void __nf_ct_refresh_acct(struct nf_conn *ct,
 		WRITE_ONCE(ct->timeout, extra_jiffies);
 acct:
 	if (do_acct)
-		nf_ct_acct_update(ct, ctinfo, skb->len);
+		nf_ct_acct_update(ct, CTINFO2DIR(ctinfo), skb->len);
 }
 EXPORT_SYMBOL_GPL(__nf_ct_refresh_acct);
 
@@ -1939,7 +1938,7 @@ bool nf_ct_kill_acct(struct nf_conn *ct,
 		     enum ip_conntrack_info ctinfo,
 		     const struct sk_buff *skb)
 {
-	nf_ct_acct_update(ct, ctinfo, skb->len);
+	nf_ct_acct_update(ct, CTINFO2DIR(ctinfo), skb->len);
 
 	return nf_ct_delete(ct, 0, 0);
 }
-- 
2.11.0