11da177e4SLinus Torvalds #ifndef _NET_IPCOMP_H 21da177e4SLinus Torvalds #define _NET_IPCOMP_H 31da177e4SLinus Torvalds 49409f38aSHerbert Xu #include <linux/types.h> 59409f38aSHerbert Xu 61da177e4SLinus Torvalds #define IPCOMP_SCRATCH_SIZE 65400 71da177e4SLinus Torvalds 887bdc48dSHerbert Xu struct crypto_comp; 987bdc48dSHerbert Xu 101da177e4SLinus Torvalds struct ipcomp_data { 111da177e4SLinus Torvalds u16 threshold; 12*7d720c3eSTejun Heo struct crypto_comp * __percpu *tfms; 131da177e4SLinus Torvalds }; 141da177e4SLinus Torvalds 1587bdc48dSHerbert Xu struct ip_comp_hdr; 1687bdc48dSHerbert Xu struct sk_buff; 176fccab67SHerbert Xu struct xfrm_state; 186fccab67SHerbert Xu 196fccab67SHerbert Xu int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb); 206fccab67SHerbert Xu int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb); 216fccab67SHerbert Xu void ipcomp_destroy(struct xfrm_state *x); 226fccab67SHerbert Xu int ipcomp_init_state(struct xfrm_state *x); 2387bdc48dSHerbert Xu 2487bdc48dSHerbert Xu static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb) 2587bdc48dSHerbert Xu { 2687bdc48dSHerbert Xu return (struct ip_comp_hdr *)skb_transport_header(skb); 2787bdc48dSHerbert Xu } 2887bdc48dSHerbert Xu 291da177e4SLinus Torvalds #endif 30