diff options
Diffstat (limited to 'include/net/netfilter/nf_conntrack_zones.h')
| -rw-r--r-- | include/net/netfilter/nf_conntrack_zones.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_zones.h b/include/net/netfilter/nf_conntrack_zones.h new file mode 100644 index 00000000000..034efe8d45a --- /dev/null +++ b/include/net/netfilter/nf_conntrack_zones.h @@ -0,0 +1,25 @@ +#ifndef _NF_CONNTRACK_ZONES_H +#define _NF_CONNTRACK_ZONES_H + +#define NF_CT_DEFAULT_ZONE 0 + +#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) +#include <net/netfilter/nf_conntrack_extend.h> + +struct nf_conntrack_zone { + u16 id; +}; + +static inline u16 nf_ct_zone(const struct nf_conn *ct) +{ +#ifdef CONFIG_NF_CONNTRACK_ZONES + struct nf_conntrack_zone *nf_ct_zone; + nf_ct_zone = nf_ct_ext_find(ct, NF_CT_EXT_ZONE); + if (nf_ct_zone) + return nf_ct_zone->id; +#endif + return NF_CT_DEFAULT_ZONE; +} + +#endif /* CONFIG_NF_CONNTRACK || CONFIG_NF_CONNTRACK_MODULE */ +#endif /* _NF_CONNTRACK_ZONES_H */ |