[linux-2.6-block.git] / include / linux / netfilter / nf_conntrack_proto_gre.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CONNTRACK_PROTO_GRE_H
#define _CONNTRACK_PROTO_GRE_H
#include <asm/byteorder.h>
#include <net/gre.h>
#include <net/pptp.h>

struct nf_ct_gre {
	unsigned int stream_timeout;
	unsigned int timeout;
};

#include <net/netfilter/nf_conntrack_tuple.h>

struct nf_conn;

/* structure for original <-> reply keymap */
struct nf_ct_gre_keymap {
	struct list_head list;
	struct nf_conntrack_tuple tuple;
	struct rcu_head rcu;
};

/* add new tuple->key_reply pair to keymap */
int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir,
			 struct nf_conntrack_tuple *t);

/* delete keymap entries */
void nf_ct_gre_keymap_destroy(struct nf_conn *ct);

bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
		      struct net *net, struct nf_conntrack_tuple *tuple);
#endif /* _CONNTRACK_PROTO_GRE_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
f09943fe PM	2	#ifndef _CONNTRACK_PROTO_GRE_H
	3	#define _CONNTRACK_PROTO_GRE_H
	4	#include <asm/byteorder.h>
ecc6569f GF	5	#include <net/gre.h>
ecc6569f GF	6	#include <net/pptp.h>
f09943fe	7
f09943fe PM	8	struct nf_ct_gre {
	9	unsigned int stream_timeout;
	10	unsigned int timeout;
	11	};
	12
f09943fe PM	13	#include <net/netfilter/nf_conntrack_tuple.h>
	14
	15	struct nf_conn;
	16
	17	/* structure for original <-> reply keymap */
	18	struct nf_ct_gre_keymap {
	19	struct list_head list;
	20	struct nf_conntrack_tuple tuple;
202e651c	21	struct rcu_head rcu;
f09943fe PM	22	};
	23
	24	/* add new tuple->key_reply pair to keymap */
	25	int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir,
	26	struct nf_conntrack_tuple *t);
	27
	28	/* delete keymap entries */
	29	void nf_ct_gre_keymap_destroy(struct nf_conn *ct);
	30
df5e1629 FW	31	bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
df5e1629 FW	32	struct net net, struct nf_conntrack_tuple tuple);
f09943fe	33	#endif /* _CONNTRACK_PROTO_GRE_H */