From a8756201ba4189bca3ee1a6ec4e290f467ee09ab Mon Sep 17 00:00:00 2001 From: Tim Gardner Date: Fri, 25 Jun 2010 14:44:07 +0200 Subject: netfilter: xt_connbytes: Force CT accounting to be enabled Check at rule install time that CT accounting is enabled. Force it to be enabled if not while also emitting a warning since this is not the default state. This is in preparation for deprecating CONFIG_NF_CT_ACCT upon which CONFIG_NETFILTER_XT_MATCH_CONNBYTES depended being set. Added 2 CT accounting support functions: nf_ct_acct_enabled() - Get CT accounting state. nf_ct_set_acct() - Enable/disable CT accountuing. Signed-off-by: Tim Gardner Acked-by: Jan Engelhardt Signed-off-by: Patrick McHardy --- include/net/netfilter/nf_conntrack_acct.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include') diff --git a/include/net/netfilter/nf_conntrack_acct.h b/include/net/netfilter/nf_conntrack_acct.h index 03e218f0be43..4e9c63a20db2 100644 --- a/include/net/netfilter/nf_conntrack_acct.h +++ b/include/net/netfilter/nf_conntrack_acct.h @@ -45,6 +45,18 @@ struct nf_conn_counter *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp) extern unsigned int seq_print_acct(struct seq_file *s, const struct nf_conn *ct, int dir); +/* Check if connection tracking accounting is enabled */ +static inline bool nf_ct_acct_enabled(struct net *net) +{ + return net->ct.sysctl_acct != 0; +} + +/* Enable/disable connection tracking accounting */ +static inline void nf_ct_set_acct(struct net *net, bool enable) +{ + net->ct.sysctl_acct = enable; +} + extern int nf_conntrack_acct_init(struct net *net); extern void nf_conntrack_acct_fini(struct net *net); -- cgit v1.2.3