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#ifndef _NF_DEFRAG_IPV6_WRAPPER_H
#define _NF_DEFRAG_IPV6_WRAPPER_H
#include <linux/kconfig.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
#include_next <net/netfilter/ipv6/nf_defrag_ipv6.h>
#endif
/* Upstream commit 029f7f3b8701 ("netfilter: ipv6: nf_defrag: avoid/free clone
* operations") changed the semantics of nf_ct_frag6_gather(), so we backport
* it for all prior kernels.
*/
#if defined(HAVE_NF_CT_FRAG6_CONSUME_ORIG) || \
defined(HAVE_NF_CT_FRAG6_OUTPUT)
#define OVS_NF_DEFRAG6_BACKPORT 1
struct sk_buff *rpl_nf_ct_frag6_gather(struct sk_buff *skb, u32 user);
int __init rpl_nf_ct_frag6_init(void);
void rpl_nf_ct_frag6_cleanup(void);
void rpl_nf_ct_frag6_consume_orig(struct sk_buff *skb);
#define nf_ct_frag6_gather rpl_nf_ct_frag6_gather
#else /* HAVE_NF_CT_FRAG6_CONSUME_ORIG */
static inline int __init rpl_nf_ct_frag6_init(void) { return 0; }
static inline void rpl_nf_ct_frag6_cleanup(void) { }
static inline void rpl_nf_ct_frag6_consume_orig(struct sk_buff *skb) { }
#endif /* HAVE_NF_CT_FRAG6_CONSUME_ORIG */
#define nf_ct_frag6_init rpl_nf_ct_frag6_init
#define nf_ct_frag6_cleanup rpl_nf_ct_frag6_cleanup
#define nf_ct_frag6_consume_orig rpl_nf_ct_frag6_consume_orig
#endif /* __NF_DEFRAG_IPV6_WRAPPER_H */
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