diff options
Diffstat (limited to 'include/linux/netfilter/nf_conntrack_common.h')
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_common.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h new file mode 100644 index 000000000..2770db2fa --- /dev/null +++ b/include/linux/netfilter/nf_conntrack_common.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _NF_CONNTRACK_COMMON_H +#define _NF_CONNTRACK_COMMON_H + +#include <linux/refcount.h> +#include <uapi/linux/netfilter/nf_conntrack_common.h> + +struct ip_conntrack_stat { + unsigned int found; + unsigned int invalid; + unsigned int insert; + unsigned int insert_failed; + unsigned int clash_resolve; + unsigned int drop; + unsigned int early_drop; + unsigned int error; + unsigned int expect_new; + unsigned int expect_create; + unsigned int expect_delete; + unsigned int search_restart; + unsigned int chaintoolong; +}; + +#define NFCT_INFOMASK 7UL +#define NFCT_PTRMASK ~(NFCT_INFOMASK) + +struct nf_conntrack { + refcount_t use; +}; + +void nf_conntrack_destroy(struct nf_conntrack *nfct); + +/* like nf_ct_put, but without module dependency on nf_conntrack */ +static inline void nf_conntrack_put(struct nf_conntrack *nfct) +{ + if (nfct && refcount_dec_and_test(&nfct->use)) + nf_conntrack_destroy(nfct); +} +static inline void nf_conntrack_get(struct nf_conntrack *nfct) +{ + if (nfct) + refcount_inc(&nfct->use); +} + +#endif /* _NF_CONNTRACK_COMMON_H */ |