diff options
Diffstat (limited to 'include/net/netfilter/nf_nat_protocol.h')
| -rw-r--r-- | include/net/netfilter/nf_nat_protocol.h | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/include/net/netfilter/nf_nat_protocol.h b/include/net/netfilter/nf_nat_protocol.h index 4aa0edbb5b9..f3662c4394e 100644 --- a/include/net/netfilter/nf_nat_protocol.h +++ b/include/net/netfilter/nf_nat_protocol.h @@ -8,9 +8,6 @@ struct nf_nat_range; struct nf_nat_protocol { - /* Protocol name */ - const char *name; - /* Protocol number. */ unsigned int protonum; @@ -18,25 +15,25 @@ struct nf_nat_protocol /* Translate a packet to the target according to manip type. Return true if succeeded. */ - int (*manip_pkt)(struct sk_buff *skb, - unsigned int iphdroff, - const struct nf_conntrack_tuple *tuple, - enum nf_nat_manip_type maniptype); + bool (*manip_pkt)(struct sk_buff *skb, + unsigned int iphdroff, + const struct nf_conntrack_tuple *tuple, + enum nf_nat_manip_type maniptype); /* Is the manipable part of the tuple between min and max incl? */ - int (*in_range)(const struct nf_conntrack_tuple *tuple, - enum nf_nat_manip_type maniptype, - const union nf_conntrack_man_proto *min, - const union nf_conntrack_man_proto *max); + bool (*in_range)(const struct nf_conntrack_tuple *tuple, + enum nf_nat_manip_type maniptype, + const union nf_conntrack_man_proto *min, + const union nf_conntrack_man_proto *max); /* Alter the per-proto part of the tuple (depending on maniptype), to give a unique tuple in the given range if possible; return false if not. Per-protocol part of tuple is initialized to the incoming packet. */ - int (*unique_tuple)(struct nf_conntrack_tuple *tuple, - const struct nf_nat_range *range, - enum nf_nat_manip_type maniptype, - const struct nf_conn *ct); + bool (*unique_tuple)(struct nf_conntrack_tuple *tuple, + const struct nf_nat_range *range, + enum nf_nat_manip_type maniptype, + const struct nf_conn *ct); int (*range_to_nlattr)(struct sk_buff *skb, const struct nf_nat_range *range); @@ -62,9 +59,20 @@ extern int init_protocols(void) __init; extern void cleanup_protocols(void); extern const struct nf_nat_protocol *find_nat_proto(u_int16_t protonum); -extern int nf_nat_port_range_to_nlattr(struct sk_buff *skb, - const struct nf_nat_range *range); -extern int nf_nat_port_nlattr_to_range(struct nlattr *tb[], - struct nf_nat_range *range); +extern bool nf_nat_proto_in_range(const struct nf_conntrack_tuple *tuple, + enum nf_nat_manip_type maniptype, + const union nf_conntrack_man_proto *min, + const union nf_conntrack_man_proto *max); + +extern bool nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple, + const struct nf_nat_range *range, + enum nf_nat_manip_type maniptype, + const struct nf_conn *ct, + u_int16_t *rover); + +extern int nf_nat_proto_range_to_nlattr(struct sk_buff *skb, + const struct nf_nat_range *range); +extern int nf_nat_proto_nlattr_to_range(struct nlattr *tb[], + struct nf_nat_range *range); #endif /*_NF_NAT_PROTO_H*/ |